--------------------------------------------------------------------------------
I1 cache:         65536 B, 64 B, 4-way associative
D1 cache:         32768 B, 64 B, 8-way associative
LL cache:         67108864 B, 64 B, 64-way associative
Command:          /usr/home/liquid/.rustup/toolchains/w-profiling/bin/rustc --crate-name zeroize --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg feature="alloc" --cfg feature="default" -C metadata=128df24df957df25 -C extra-filename=-128df24df957df25 --out-dir /usr/home/liquid/tmp/.tmpDc0yxU/target/release/deps -L dependency=/usr/home/liquid/tmp/.tmpDc0yxU/target/release/deps -Adeprecated -Aunknown-lints -Zincremental-verify-ich
Data file:        results/cgout-w-profiling-zeroize-1.5.1-Opt-Full
Events recorded:  Ir
Events shown:     Ir
Event sort order: Ir
Thresholds:       0.1
Include dirs:     
User annotated:   
Auto-annotation:  on

--------------------------------------------------------------------------------
Ir                   
--------------------------------------------------------------------------------
580,021,174 (100.0%)  PROGRAM TOTALS

--------------------------------------------------------------------------------
Ir                   file:function
--------------------------------------------------------------------------------
22,478,507 ( 3.88%)  ./malloc/malloc.c:_int_free
20,167,613 ( 3.48%)  ./malloc/malloc.c:_int_malloc
13,896,578 ( 2.40%)  ./malloc/malloc.c:malloc
10,308,762 ( 1.78%)  ./elf/dl-lookup.c:_dl_lookup_symbol_x
 9,562,277 ( 1.65%)  ???:llvm::FPPassManager::runOnFunction(llvm::Function&)
 7,559,010 ( 1.30%)  ???:llvm::AnalysisManager<llvm::Function>::getResultImpl(llvm::AnalysisKey*, llvm::Function&)
 7,253,969 ( 1.25%)  ./malloc/malloc.c:free
 6,880,507 ( 1.19%)  ???:llvm::AnalysisManager<llvm::Function>::invalidate(llvm::Function&, llvm::PreservedAnalyses const&)
 6,076,212 ( 1.05%)  ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:__memcpy_avx_unaligned_erms
 5,784,045 ( 1.00%)  ???:llvm::PassRegistry::enumerateWith(llvm::PassRegistrationListener*)
 4,844,816 ( 0.84%)  ./elf/dl-lookup.c:do_lookup_x
 4,497,795 ( 0.78%)  ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:__memset_avx2_erms
 4,461,060 ( 0.77%)  ???:llvm::X86TargetLowering::X86TargetLowering(llvm::X86TargetMachine const&, llvm::X86Subtarget const&)
 4,141,271 ( 0.71%)  ./elf/../sysdeps/x86_64/dl-machine.h:_dl_relocate_object
 3,816,200 ( 0.66%)  ???:llvm::TargetLoweringBase::computeRegisterProperties(llvm::TargetRegisterInfo const*)
 3,027,091 ( 0.52%)  ./malloc/malloc.c:malloc_consolidate
 2,978,438 ( 0.51%)  ???:SetImpliedBits(llvm::FeatureBitset&, llvm::FeatureBitset const&, llvm::ArrayRef<llvm::SubtargetFeatureKV>)
 2,907,206 ( 0.50%)  ???:llvm::AttributeList::addAttributes(llvm::LLVMContext&, unsigned int, llvm::AttrBuilder const&) const
 2,798,405 ( 0.48%)  ./string/../sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S:__memcmp_avx2_movbe
 2,511,290 ( 0.43%)  ???:llvm::BitstreamCursor::readRecord(unsigned int, llvm::SmallVectorImpl<unsigned long>&, llvm::StringRef*)
 2,505,172 ( 0.43%)  ???:llvm::InstCombinerImpl::run()
 2,483,601 ( 0.43%)  ???:llvm::SelectionDAG::Combine(llvm::CombineLevel, llvm::AAResults*, llvm::CodeGenOpt::Level)
 2,379,718 ( 0.41%)  ???:llvm::PMTopLevelManager::setLastUser(llvm::ArrayRef<llvm::Pass*>, llvm::Pass*)
 2,370,843 ( 0.41%)  ???:llvm::DomTreeBuilder::SemiNCAInfo<llvm::DominatorTreeBase<llvm::BasicBlock, false> >::CalculateFromScratch(llvm::DominatorTreeBase<llvm::BasicBlock, false>&, llvm::DomTreeBuilder::SemiNCAInfo<llvm::DominatorTreeBase<llvm::BasicBlock, false> >::BatchUpdateInfo*)
 2,287,378 ( 0.39%)  ???:llvm::coro::declaresIntrinsics(llvm::Module const&, std::initializer_list<llvm::StringRef>)
 2,233,865 ( 0.39%)  ./malloc/malloc.c:unlink_chunk.constprop.0
 2,231,775 ( 0.38%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 2,139,033 ( 0.37%)  ./elf/do-rel.h:_dl_relocate_object
 2,115,502 ( 0.36%)  ./string/../sysdeps/x86_64/multiarch/strcmp-avx2.S:__strncmp_avx2
 2,034,045 ( 0.35%)  ???:llvm::PMTopLevelManager::AUFoldingSetNode::Profile(llvm::FoldingSetNodeID&, llvm::AnalysisUsage const&)
 1,933,582 ( 0.33%)  ???:llvm::ScalarEvolution::getAddExpr(llvm::SmallVectorImpl<llvm::SCEV const*>&, llvm::SCEV::NoWrapFlags, unsigned int)
 1,917,157 ( 0.33%)  /tmp/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc-5.5.0/libstdc++-v3/libsupc++/new_op.cc:operator new(unsigned long)
 1,912,823 ( 0.33%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 1,905,696 ( 0.33%)  ???:(anonymous namespace)::GetCFGOnlyPasses::passEnumerate(llvm::PassInfo const*) [clone .llvm.764396836974782617]
 1,891,051 ( 0.33%)  ???:combineInstructionsOverFunction(llvm::Function&, llvm::InstCombineWorklist&, llvm::AAResults*, llvm::AssumptionCache&, llvm::TargetLibraryInfo&, llvm::TargetTransformInfo&, llvm::DominatorTree&, llvm::OptimizationRemarkEmitter&, llvm::BlockFrequencyInfo*, llvm::ProfileSummaryInfo*, unsigned int, llvm::LoopInfo*)
 1,871,634 ( 0.32%)  ???:llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&)
 1,831,886 ( 0.32%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 1,533,673 ( 0.26%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 1,532,974 ( 0.26%)  ???:llvm::PMDataManager::removeNotPreservedAnalysis(llvm::Pass*)
 1,516,622 ( 0.26%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 1,469,864 ( 0.25%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_resolve/src/imports.rs:<rustc_resolve::Resolver>::try_define
 1,455,480 ( 0.25%)  ???:llvm::AttributeList::addAttribute(llvm::LLVMContext&, unsigned int, llvm::Attribute::AttrKind) const
 1,360,425 ( 0.23%)  ???:llvm::ValueHandleBase::AddToUseList()
 1,353,539 ( 0.23%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:<rustc_span::source_map::SourceMap>::lookup_source_file_idx
 1,325,354 ( 0.23%)  ???:llvm::PMDataManager::verifyPreservedAnalysis(llvm::Pass*)
 1,299,974 ( 0.22%)  ./string/../sysdeps/x86_64/multiarch/strlen-avx2.S:__strlen_avx2
 1,260,879 ( 0.22%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_u32
 1,255,670 ( 0.22%)  ???:llvm::FoldingSetBase::FindNodeOrInsertPos(llvm::FoldingSetNodeID const&, void*&, llvm::FoldingSetBase::FoldingSetInfo const&)
 1,231,880 ( 0.21%)  ???:llvm::ScalarEvolution::getSCEV(llvm::Value*)
 1,219,643 ( 0.21%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::map::RawEntryBuilderMut<rustc_middle::ty::context::Interned<rustc_middle::ty::TyS>, (), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_hash::<hashbrown::map::equivalent<rustc_middle::ty::sty::TyKind, rustc_middle::ty::context::Interned<rustc_middle::ty::TyS>>::{closure#0}>
 1,218,068 ( 0.21%)  ./malloc/malloc.c:realloc
 1,205,246 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u64>
 1,202,543 ( 0.21%)  ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:__memset_avx2_unaligned_erms
 1,196,832 ( 0.21%)  ???:llvm::X86_MC::initLLVMToSEHAndCVRegMapping(llvm::MCRegisterInfo*)
 1,166,221 ( 0.20%)  ???:runCVP(llvm::Module&) [clone .llvm.11785992503873176614]
 1,115,541 ( 0.19%)  ???:llvm::InlineFunction(llvm::CallBase&, llvm::InlineFunctionInfo&, llvm::AAResults*, bool, llvm::Function*)
 1,091,692 ( 0.19%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-hash-1.1.0/src/lib.rs:<&str as core::hash::Hash>::hash::<rustc_hash::FxHasher>
 1,090,365 ( 0.19%)  ???:computeKnownBits(llvm::Value const*, llvm::KnownBits&, unsigned int, (anonymous namespace)::Query const&) [clone .llvm.15619146473165121143]
 1,065,430 ( 0.18%)  ???:llvm::DomTreeBuilder::SemiNCAInfo<llvm::DominatorTreeBase<llvm::BasicBlock, true> >::CalculateFromScratch(llvm::DominatorTreeBase<llvm::BasicBlock, true>&, llvm::DomTreeBuilder::SemiNCAInfo<llvm::DominatorTreeBase<llvm::BasicBlock, true> >::BatchUpdateInfo*)
 1,057,671 ( 0.18%)  ???:llvm::AnalysisUsage::pushUnique(llvm::SmallVectorImpl<void const*>&, void const*)
 1,027,360 ( 0.18%)  ???:llvm::LegacyLegalizerInfo::computeTables()
 1,024,039 ( 0.18%)  ???:llvm::removeUnreachableBlocks(llvm::Function&, llvm::DomTreeUpdater*, llvm::MemorySSAUpdater*)
   962,707 ( 0.17%)  ???:llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, unsigned int)
   955,289 ( 0.16%)  ???:???
   932,055 ( 0.16%)  ???:llvm::PMTopLevelManager::findAnalysisUsage(llvm::Pass*)
   910,534 ( 0.16%)  ???:llvm::DataLayout::getTypeSizeInBits(llvm::Type*) const
   891,346 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_u32
   885,666 ( 0.15%)  ???:llvm::StringMapImpl::LookupBucketFor(llvm::StringRef)
   866,236 ( 0.15%)  ./elf/dl-lookup.c:check_match
   862,380 ( 0.15%)  ./malloc/malloc.c:_int_realloc
   859,195 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/encoder.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Encodable<rustc_metadata::rmeta::encoder::EncodeContext>>::encode
   847,872 ( 0.15%)  ???:llvm::RegisterClassInfo::computePSetLimit(unsigned int) const
   827,816 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call<rustc_metadata::rmeta::decoder::ImportedSourceFile, <alloc::vec::Vec<rustc_metadata::rmeta::decoder::ImportedSourceFile> as alloc::vec::spec_extend::SpecExtend<rustc_metadata::rmeta::decoder::ImportedSourceFile, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}>
   825,014 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<rustc_span::source_map::SourceMap>::new_imported_source_file
   823,125 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_span::source_map::SourceMap>::new_imported_source_file
   811,339 ( 0.14%)  ???:llvm::DomTreeBuilder::SemiNCAInfo<llvm::DominatorTreeBase<llvm::BasicBlock, true> >::FindRoots(llvm::DominatorTreeBase<llvm::BasicBlock, true> const&, llvm::DomTreeBuilder::SemiNCAInfo<llvm::DominatorTreeBase<llvm::BasicBlock, true> >::BatchUpdateInfo*)
   808,962 ( 0.14%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_span::def_id::DefId, rustc_query_system::query::plumbing::QueryResult<rustc_middle::dep_graph::dep_node::DepKind>)>>::remove_entry::<hashbrown::map::equivalent_key<rustc_span::def_id::DefId, rustc_span::def_id::DefId, rustc_query_system::query::plumbing::QueryResult<rustc_middle::dep_graph::dep_node::DepKind>>::{closure#0}>
   808,488 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u64>
   804,648 ( 0.14%)  ???:llvm::TargetLibraryInfoImpl::getLibFunc(llvm::Function const&, llvm::LibFunc&) const
   790,129 ( 0.14%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_data_structures::ptr_key::PtrKey<rustc_resolve::NameBinding>, &rustc_resolve::ModuleData)>>::insert::<hashbrown::map::make_hasher<rustc_data_structures::ptr_key::PtrKey<rustc_resolve::NameBinding>, rustc_data_structures::ptr_key::PtrKey<rustc_resolve::NameBinding>, &rustc_resolve::ModuleData, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
   783,135 ( 0.14%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_data_structures::ptr_key::PtrKey<rustc_resolve::NameBinding>, &rustc_resolve::ModuleData)>>::reserve_rehash::<hashbrown::map::make_hasher<rustc_data_structures::ptr_key::PtrKey<rustc_resolve::NameBinding>, rustc_data_structures::ptr_key::PtrKey<rustc_resolve::NameBinding>, &rustc_resolve::ModuleData, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
   781,435 ( 0.13%)  ???:llvm::DataLayout::getAlignment(llvm::Type*, bool) const
   765,863 ( 0.13%)  ???:llvm::ScalarEvolution::getRangeRef(llvm::SCEV const*, llvm::ScalarEvolution::RangeSignHint)
   758,612 ( 0.13%)  ???:computeKnownBits(llvm::Value const*, llvm::APInt const&, llvm::KnownBits&, unsigned int, (anonymous namespace)::Query const&)
   739,872 ( 0.13%)  ???:llvm::DenseMapBase<llvm::DenseMap<llvm::MCRegister, int, llvm::DenseMapInfo<llvm::MCRegister>, llvm::detail::DenseMapPair<llvm::MCRegister, int> >, llvm::MCRegister, int, llvm::DenseMapInfo<llvm::MCRegister>, llvm::detail::DenseMapPair<llvm::MCRegister, int> >::moveFromOldBuckets(llvm::detail::DenseMapPair<llvm::MCRegister, int>*, llvm::detail::DenseMapPair<llvm::MCRegister, int>*)
   737,873 ( 0.13%)  ./malloc/malloc.c:calloc
   715,300 ( 0.12%)  ???:llvm::simplifyCFG(llvm::BasicBlock*, llvm::TargetTransformInfo const&, llvm::DomTreeUpdater*, llvm::SimplifyCFGOptions const&, llvm::ArrayRef<llvm::WeakVH>)
   708,556 ( 0.12%)  ???:llvm::AttributeSetNode::get(llvm::LLVMContext&, llvm::AttrBuilder const&)
   702,171 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs:__rdl_alloc
   681,779 ( 0.12%)  ???:llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&)
   680,914 ( 0.12%)  ???:int llvm::array_pod_sort_comparator<llvm::Attribute>(void const*, void const*)
   680,339 ( 0.12%)  ???:computeKnownBitsFromOperator(llvm::Operator const*, llvm::APInt const&, llvm::KnownBits&, unsigned int, (anonymous namespace)::Query const&)
   661,078 ( 0.11%)  ???:llvm::AttributeList::get(llvm::LLVMContext&, llvm::ArrayRef<llvm::AttributeList>)
   658,382 ( 0.11%)  ???:bool llvm::DenseMapBase<llvm::DenseMap<(anonymous namespace)::SimpleValue, llvm::ScopedHashTableVal<(anonymous namespace)::SimpleValue, llvm::Value*>*, llvm::DenseMapInfo<(anonymous namespace)::SimpleValue>, llvm::detail::DenseMapPair<(anonymous namespace)::SimpleValue, llvm::ScopedHashTableVal<(anonymous namespace)::SimpleValue, llvm::Value*>*> >, (anonymous namespace)::SimpleValue, llvm::ScopedHashTableVal<(anonymous namespace)::SimpleValue, llvm::Value*>*, llvm::DenseMapInfo<(anonymous namespace)::SimpleValue>, llvm::detail::DenseMapPair<(anonymous namespace)::SimpleValue, llvm::ScopedHashTableVal<(anonymous namespace)::SimpleValue, llvm::Value*>*> >::LookupBucketFor<(anonymous namespace)::SimpleValue>((anonymous namespace)::SimpleValue const&, llvm::detail::DenseMapPair<(anonymous namespace)::SimpleValue, llvm::ScopedHashTableVal<(anonymous namespace)::SimpleValue, llvm::Value*>*> const*&) const
   652,490 ( 0.11%)  ???:SimplifyICmpInst(unsigned int, llvm::Value*, llvm::Value*, llvm::SimplifyQuery const&, unsigned int) [clone .llvm.1619516508949622737]
   641,300 ( 0.11%)  ???:llvm::ScalarEvolution::getAddRecExpr(llvm::SmallVectorImpl<llvm::SCEV const*>&, llvm::Loop const*, llvm::SCEV::NoWrapFlags)
   640,724 ( 0.11%)  ???:llvm::detail::AnalysisResultModel<llvm::Function, llvm::OuterAnalysisManagerProxy<llvm::AnalysisManager<llvm::Module>, llvm::Function>, llvm::OuterAnalysisManagerProxy<llvm::AnalysisManager<llvm::Module>, llvm::Function>::Result, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>::Invalidator, true>::invalidate(llvm::Function&, llvm::PreservedAnalyses const&, llvm::AnalysisManager<llvm::Function>::Invalidator&)
   615,575 ( 0.11%)  ???:llvm::detail::AnalysisResultModel<llvm::Function, llvm::DominatorTreeAnalysis, llvm::DominatorTree, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>::Invalidator, true>::~AnalysisResultModel()
   614,858 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/caching_source_map_view.rs:<rustc_span::caching_source_map_view::CachingSourceMapView>::span_data_to_lines_and_cols
   606,662 ( 0.10%)  ???:bool llvm::detail::UniqueFunctionBase<bool, llvm::StringRef, llvm::Any>::CallImpl<llvm::OptNoneInstrumentation::registerCallbacks(llvm::PassInstrumentationCallbacks&)::$_4>(void*, llvm::StringRef, llvm::Any&)
   601,367 ( 0.10%)  ???:llvm::SimplifyInstruction(llvm::Instruction*, llvm::SimplifyQuery const&, llvm::OptimizationRemarkEmitter*)
   597,088 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs:<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call<rustc_metadata::rmeta::decoder::ImportedSourceFile, <alloc::vec::Vec<rustc_metadata::rmeta::decoder::ImportedSourceFile> as alloc::vec::spec_extend::SpecExtend<rustc_metadata::rmeta::decoder::ImportedSourceFile, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}>
   596,347 ( 0.10%)  ???:llvm::ScalarEvolution::getLoopDisposition(llvm::SCEV const*, llvm::Loop const*)

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs
--------------------------------------------------------------------------------
Ir               

-- line 141 ----------------------------------------
      .               /// ```
      .               /// let a = [1, 2, 3];
      .               /// assert!(!a.is_empty());
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_stable(feature = "const_slice_is_empty", since = "1.39.0")]
      .               #[inline]
      .               pub const fn is_empty(&self) -> bool {
 54,914 ( 0.01%)          self.len() == 0
      .               }
      .           
      .               /// Returns the first element of the slice, or `None` if it is empty.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let v = [10, 40, 30];
-- line 157 ----------------------------------------
-- line 159 ----------------------------------------
      .               ///
      .               /// let w: &[i32] = &[];
      .               /// assert_eq!(None, w.first());
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")]
      .               #[inline]
      .               pub const fn first(&self) -> Option<&T> {
    276 ( 0.00%)          if let [first, ..] = self { Some(first) } else { None }
      .               }
      .           
      .               /// Returns a mutable pointer to the first element of the slice, or `None` if it is empty.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let x = &mut [0, 1, 2];
-- line 175 ----------------------------------------
-- line 178 ----------------------------------------
      .               ///     *first = 5;
      .               /// }
      .               /// assert_eq!(x, &[5, 1, 2]);
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
      .               #[inline]
      .               pub const fn first_mut(&mut self) -> Option<&mut T> {
     20 ( 0.00%)          if let [first, ..] = self { Some(first) } else { None }
      .               }
      .           
      .               /// Returns the first and all the rest of the elements of the slice, or `None` if it is empty.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let x = &[0, 1, 2];
-- line 194 ----------------------------------------
-- line 237 ----------------------------------------
      .               ///     assert_eq!(last, &2);
      .               ///     assert_eq!(elements, &[0, 1]);
      .               /// }
      .               /// ```
      .               #[stable(feature = "slice_splits", since = "1.5.0")]
      .               #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")]
      .               #[inline]
      .               pub const fn split_last(&self) -> Option<(&T, &[T])> {
  2,183 ( 0.00%)          if let [init @ .., last] = self { Some((last, init)) } else { None }
      .               }
      .           
      .               /// Returns the last and all the rest of the elements of the slice, or `None` if it is empty.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let x = &mut [0, 1, 2];
-- line 253 ----------------------------------------
-- line 276 ----------------------------------------
      .               ///
      .               /// let w: &[i32] = &[];
      .               /// assert_eq!(None, w.last());
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")]
      .               #[inline]
      .               pub const fn last(&self) -> Option<&T> {
 36,142 ( 0.01%)          if let [.., last] = self { Some(last) } else { None }
      .               }
      .           
      .               /// Returns a mutable pointer to the last item in the slice.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let x = &mut [0, 1, 2];
-- line 292 ----------------------------------------
-- line 295 ----------------------------------------
      .               ///     *last = 10;
      .               /// }
      .               /// assert_eq!(x, &[0, 1, 10]);
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
      .               #[inline]
      .               pub const fn last_mut(&mut self) -> Option<&mut T> {
 47,075 ( 0.01%)          if let [.., last] = self { Some(last) } else { None }
      .               }
      .           
      .               /// Returns a reference to an element or subslice depending on the type of
      .               /// index.
      .               ///
      .               /// - If given a position, returns a reference to the element at that
      .               ///   position or `None` if out of bounds.
      .               /// - If given a range, returns the subslice corresponding to that range,
-- line 311 ----------------------------------------
-- line 448 ----------------------------------------
      .               /// }
      .               /// ```
      .               ///
      .               /// [`as_mut_ptr`]: slice::as_mut_ptr
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_stable(feature = "const_slice_as_ptr", since = "1.32.0")]
      .               #[inline]
      .               pub const fn as_ptr(&self) -> *const T {
 78,193 ( 0.01%)          self as *const [T] as *const T
      .               }
      .           
      .               /// Returns an unsafe mutable pointer to the slice's buffer.
      .               ///
      .               /// The caller must ensure that the slice outlives the pointer this
      .               /// function returns, or else it will end up pointing to garbage.
      .               ///
      .               /// Modifying the container referenced by this slice may cause its buffer
-- line 464 ----------------------------------------
-- line 476 ----------------------------------------
      .               ///     }
      .               /// }
      .               /// assert_eq!(x, &[3, 4, 6]);
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_unstable(feature = "const_ptr_offset", issue = "71499")]
      .               #[inline]
      .               pub const fn as_mut_ptr(&mut self) -> *mut T {
      2 ( 0.00%)          self as *mut [T] as *mut T
      .               }
      .           
      .               /// Returns the two raw pointers spanning the slice.
      .               ///
      .               /// The returned range is half-open, which means that the end pointer
      .               /// points *one past* the last element of the slice. This way, an empty
      .               /// slice is represented by two equal pointers, and the difference between
      .               /// the two pointers represents the size of the slice.
-- line 492 ----------------------------------------
-- line 582 ----------------------------------------
      .               /// v.swap(2, 4);
      .               /// assert!(v == ["a", "b", "e", "d", "c"]);
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_unstable(feature = "const_swap", issue = "83163")]
      .               #[inline]
      .               #[track_caller]
      .               pub const fn swap(&mut self, a: usize, b: usize) {
    598 ( 0.00%)          let _ = &self[a];
  1,994 ( 0.00%)          let _ = &self[b];
      .           
      .                   // SAFETY: we just checked that both `a` and `b` are in bounds
      .                   unsafe { self.swap_unchecked(a, b) }
      .               }
      .           
      .               /// Swaps two elements in the slice, without doing bounds checking.
      .               ///
      .               /// For a safe alternative see [`swap`].
-- line 599 ----------------------------------------
-- line 677 ----------------------------------------
      .           
      .                       // Because this function is first compiled in isolation,
      .                       // this check tells LLVM that the indexing below is
      .                       // in-bounds.  Then after inlining -- once the actual
      .                       // lengths of the slices are known -- it's removed.
      .                       let (a, b) = (&mut a[..n], &mut b[..n]);
      .           
      .                       for i in 0..n {
    587 ( 0.00%)                  mem::swap(&mut a[i], &mut b[n - 1 - i]);
      .                       }
      .                   }
      .               }
      .           
      .               /// Returns an iterator over the slice.
      .               ///
      .               /// # Examples
      .               ///
-- line 693 ----------------------------------------
-- line 1499 ----------------------------------------
      .               ///     assert_eq!(left, [1, 2, 3, 4, 5, 6]);
      .               ///     assert_eq!(right, []);
      .               /// }
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[inline]
      .               #[track_caller]
      .               pub fn split_at(&self, mid: usize) -> (&[T], &[T]) {
    270 ( 0.00%)          assert!(mid <= self.len());
      .                   // SAFETY: `[ptr; mid]` and `[mid; len]` are inside `self`, which
      .                   // fulfills the requirements of `from_raw_parts_mut`.
      .                   unsafe { self.split_at_unchecked(mid) }
      .               }
      .           
      .               /// Divides one mutable slice into two at an index.
      .               ///
      .               /// The first will contain all indices from `[0, mid)` (excluding
-- line 1515 ----------------------------------------
-- line 1530 ----------------------------------------
      .               /// left[1] = 2;
      .               /// right[1] = 4;
      .               /// assert_eq!(v, [1, 2, 3, 4, 5, 6]);
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[inline]
      .               #[track_caller]
      .               pub fn split_at_mut(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
  4,718 ( 0.00%)          assert!(mid <= self.len());
      .                   // SAFETY: `[ptr; mid]` and `[mid; len]` are inside `self`, which
      .                   // fulfills the requirements of `from_raw_parts_mut`.
      .                   unsafe { self.split_at_mut_unchecked(mid) }
      .               }
      .           
      .               /// Divides one slice into two at an index, without doing bounds checking.
      .               ///
      .               /// The first will contain all indices from `[0, mid)` (excluding
-- line 1546 ----------------------------------------
-- line 1628 ----------------------------------------
      .               pub unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
      .                   let len = self.len();
      .                   let ptr = self.as_mut_ptr();
      .           
      .                   // SAFETY: Caller has to check that `0 <= mid <= self.len()`.
      .                   //
      .                   // `[ptr; mid]` and `[mid; len]` are not overlapping, so returning a mutable reference
      .                   // is fine.
    877 ( 0.00%)          unsafe { (from_raw_parts_mut(ptr, mid), from_raw_parts_mut(ptr.add(mid), len - mid)) }
      .               }
      .           
      .               /// Divides one slice into an array and a remainder slice at an index.
      .               ///
      .               /// The array will contain all indices from `[0, N)` (excluding
      .               /// the index `N` itself) and the slice will contain all
      .               /// indices from `[N, len)` (excluding the index `len` itself).
      .               ///
-- line 1644 ----------------------------------------
-- line 2113 ----------------------------------------
      .               /// assert!(!v.iter().any(|e| e == "hi"));
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[inline]
      .               pub fn contains(&self, x: &T) -> bool
      .               where
      .                   T: PartialEq,
      .               {
      2 ( 0.00%)          cmp::SliceContains::slice_contains(x, self)
      .               }
      .           
      .               /// Returns `true` if `needle` is a prefix of the slice.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let v = [10, 40, 30];
-- line 2129 ----------------------------------------
-- line 2142 ----------------------------------------
      .               /// assert!(v.starts_with(&[]));
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               pub fn starts_with(&self, needle: &[T]) -> bool
      .               where
      .                   T: PartialEq,
      .               {
      .                   let n = needle.len();
    968 ( 0.00%)          self.len() >= n && needle == &self[..n]
      .               }
      .           
      .               /// Returns `true` if `needle` is a suffix of the slice.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let v = [10, 40, 30];
-- line 2158 ----------------------------------------
-- line 2171 ----------------------------------------
      .               /// assert!(v.ends_with(&[]));
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               pub fn ends_with(&self, needle: &[T]) -> bool
      .               where
      .                   T: PartialEq,
      .               {
      .                   let (m, n) = (self.len(), needle.len());
    766 ( 0.00%)          m >= n && needle == &self[m - n..]
      .               }
      .           
      .               /// Returns a subslice with the prefix removed.
      .               ///
      .               /// If the slice starts with `prefix`, returns the subslice after the prefix, wrapped in `Some`.
      .               /// If `prefix` is empty, simply returns the original slice.
      .               ///
      .               /// If the slice does not start with `prefix`, returns `None`.
-- line 2187 ----------------------------------------
-- line 2293 ----------------------------------------
      .               /// s.insert(idx, num);
      .               /// assert_eq!(s, [0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 42, 55]);
      .               /// ```
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               pub fn binary_search(&self, x: &T) -> Result<usize, usize>
      .               where
      .                   T: Ord,
      .               {
      3 ( 0.00%)          self.binary_search_by(|p| p.cmp(x))
      .               }
      .           
      .               /// Binary searches this sorted slice with a comparator function.
      .               ///
      .               /// The comparator function should implement an order consistent
      .               /// with the sort order of the underlying slice, returning an
      .               /// order code that indicates whether its argument is `Less`,
      .               /// `Equal` or `Greater` the desired target.
-- line 2309 ----------------------------------------
-- line 2345 ----------------------------------------
      .               #[inline]
      .               pub fn binary_search_by<'a, F>(&'a self, mut f: F) -> Result<usize, usize>
      .               where
      .                   F: FnMut(&'a T) -> Ordering,
      .               {
      .                   let mut size = self.len();
      .                   let mut left = 0;
      .                   let mut right = size;
517,151 ( 0.09%)          while left < right {
796,113 ( 0.14%)              let mid = left + size / 2;
      .           
      .                       // SAFETY: the call is made safe by the following invariants:
      .                       // - `mid >= 0`
      .                       // - `mid < size`: `mid` is limited by `[left; right)` bound.
319,844 ( 0.06%)              let cmp = f(unsafe { self.get_unchecked(mid) });
      .           
      .                       // The reason why we use if/else control flow rather than match
      .                       // is because match reorders comparison operations, which is perf sensitive.
      .                       // This is x86 asm for u8: https://rust.godbolt.org/z/8Y8Pra.
230,498 ( 0.04%)              if cmp == Less {
283,620 ( 0.05%)                  left = mid + 1;
136,305 ( 0.02%)              } else if cmp == Greater {
      .                           right = mid;
      .                       } else {
      .                           // SAFETY: same as the `get_unchecked` above
      .                           unsafe { crate::intrinsics::assume(mid < self.len()) };
      .                           return Ok(mid);
      .                       }
      .           
673,910 ( 0.12%)              size = right - left;
      .                   }
      .                   Err(left)
      .               }
      .           
      .               /// Binary searches this sorted slice with a key extraction function.
      .               ///
      .               /// Assumes that the slice is sorted by the key, for instance with
      .               /// [`sort_by_key`] using the same key extraction function.
-- line 2382 ----------------------------------------
-- line 3203 ----------------------------------------
      .                   #[track_caller]
      .                   fn len_mismatch_fail(dst_len: usize, src_len: usize) -> ! {
      .                       panic!(
      .                           "source slice length ({}) does not match destination slice length ({})",
      .                           src_len, dst_len,
      .                       );
      .                   }
      .           
  7,498 ( 0.00%)          if self.len() != src.len() {
      .                       len_mismatch_fail(self.len(), src.len());
      .                   }
      .           
      .                   // SAFETY: `self` is valid for `self.len()` elements by definition, and `src` was
      .                   // checked to have the same length. The slices cannot overlap because
      .                   // mutable references are exclusive.
      .                   unsafe {
      .                       ptr::copy_nonoverlapping(src.as_ptr(), self.as_mut_ptr(), self.len());
-- line 3219 ----------------------------------------
-- line 3382 ----------------------------------------
      .                   }
      .                   let gcd: usize = gcd(mem::size_of::<T>(), mem::size_of::<U>());
      .                   let ts: usize = mem::size_of::<U>() / gcd;
      .                   let us: usize = mem::size_of::<T>() / gcd;
      .           
      .                   // Armed with this knowledge, we can find how many `U`s we can fit!
      .                   let us_len = self.len() / ts * us;
      .                   // And how many `T`s will be in the trailing slice!
  3,360 ( 0.00%)          let ts_len = self.len() % ts;
      .                   (us_len, ts_len)
      .               }
      .           
      .               /// Transmute the slice to a slice of another type, ensuring alignment of the types is
      .               /// maintained.
      .               ///
      .               /// This method splits the slice into three distinct slices: prefix, correctly aligned middle
      .               /// slice of a new type, and the suffix slice. The method may make the middle slice the greatest
-- line 3398 ----------------------------------------
-- line 3429 ----------------------------------------
      .                       return (self, &[], &[]);
      .                   }
      .           
      .                   // First, find at what point do we split between the first and 2nd slice. Easy with
      .                   // ptr.align_offset.
      .                   let ptr = self.as_ptr();
      .                   // SAFETY: See the `align_to_mut` method for the detailed safety comment.
      .                   let offset = unsafe { crate::ptr::align_offset(ptr, mem::align_of::<U>()) };
  3,360 ( 0.00%)          if offset > self.len() {
      .                       (self, &[], &[])
      .                   } else {
      .                       let (left, rest) = self.split_at(offset);
      .                       let (us_len, ts_len) = rest.align_to_offsets::<U>();
      .                       // SAFETY: now `rest` is definitely aligned, so `from_raw_parts` below is okay,
      .                       // since the caller guarantees that we can transmute `T` to `U` safely.
      .                       unsafe {
      .                           (
      .                               left,
      .                               from_raw_parts(rest.as_ptr() as *const U, us_len),
  3,360 ( 0.00%)                      from_raw_parts(rest.as_ptr().add(rest.len() - ts_len), ts_len),
      .                           )
      .                       }
      .                   }
      .               }
      .           
      .               /// Transmute the slice to a slice of another type, ensuring alignment of the types is
      .               /// maintained.
      .               ///
-- line 3456 ----------------------------------------

347,920 ( 0.06%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs
--------------------------------------------------------------------------------
Ir                 

-- line 70 ----------------------------------------
        .           
        .                   impl<'a, T> $name<'a, T> {
        .                       // Helper function for creating a slice from the iterator.
        .                       #[inline(always)]
        .                       fn make_slice(&self) -> &'a [T] {
        .                           // SAFETY: the iterator was created from a slice with pointer
        .                           // `self.ptr` and length `len!(self)`. This guarantees that all
        .                           // the prerequisites for `from_raw_parts` are fulfilled.
    7,031 ( 0.00%)                  unsafe { from_raw_parts(self.ptr.as_ptr(), len!(self)) }
        .                       }
        .           
        .                       // Helper function for moving the start of the iterator forwards by `offset` elements,
        .                       // returning the old start.
        .                       // Unsafe because the offset must not exceed `self.len()`.
        .                       #[inline(always)]
        .                       unsafe fn post_inc_start(&mut self, offset: isize) -> * $raw_mut T {
        .                           if mem::size_of::<T>() == 0 {
        .                               zst_shrink!(self, offset);
        .                               self.ptr.as_ptr()
        .                           } else {
        .                               let old = self.ptr.as_ptr();
        .                               // SAFETY: the caller guarantees that `offset` doesn't exceed `self.len()`,
        .                               // so this new pointer is inside `self` and thus guaranteed to be non-null.
   47,817 ( 0.01%)                      self.ptr = unsafe { NonNull::new_unchecked(self.ptr.as_ptr().offset(offset)) };
        .                               old
        .                           }
        .                       }
        .           
        .                       // Helper function for moving the end of the iterator backwards by `offset` elements,
        .                       // returning the new end.
        .                       // Unsafe because the offset must not exceed `self.len()`.
        .                       #[inline(always)]
-- line 101 ----------------------------------------
-- line 102 ----------------------------------------
        .                       unsafe fn pre_dec_end(&mut self, offset: isize) -> * $raw_mut T {
        .                           if mem::size_of::<T>() == 0 {
        .                               zst_shrink!(self, offset);
        .                               self.ptr.as_ptr()
        .                           } else {
        .                               // SAFETY: the caller guarantees that `offset` doesn't exceed `self.len()`,
        .                               // which is guaranteed to not overflow an `isize`. Also, the resulting pointer
        .                               // is in bounds of `slice`, which fulfills the other requirements for `offset`.
      116 ( 0.00%)                      self.end = unsafe { self.end.offset(-offset) };
        .                               self.end
        .                           }
        .                       }
        .                   }
        .           
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   impl<T> ExactSizeIterator for $name<'_, T> {
        .                       #[inline(always)]
        .                       fn len(&self) -> usize {
   84,624 ( 0.01%)                  len!(self)
        .                       }
        .           
        .                       #[inline(always)]
        .                       fn is_empty(&self) -> bool {
        .                           is_empty!(self)
        .                       }
        .                   }
        .           
-- line 128 ----------------------------------------
-- line 134 ----------------------------------------
        .                       fn next(&mut self) -> Option<$elem> {
        .                           // could be implemented with slices, but this avoids bounds checks
        .           
        .                           // SAFETY: `assume` calls are safe since a slice's start pointer
        .                           // must be non-null, and slices over non-ZSTs must also have a
        .                           // non-null end pointer. The call to `next_unchecked!` is safe
        .                           // since we check if the iterator is empty first.
        .                           unsafe {
   26,214 ( 0.00%)                      assume(!self.ptr.as_ptr().is_null());
        .                               if mem::size_of::<T>() != 0 {
    6,266 ( 0.00%)                          assume(!self.end.is_null());
        .                               }
5,069,982 ( 0.87%)                      if is_empty!(self) {
        .                                   None
        .                               } else {
       12 ( 0.00%)                          Some(next_unchecked!(self))
        .                               }
        .                           }
        .                       }
        .           
        .                       #[inline]
        .                       fn size_hint(&self) -> (usize, Option<usize>) {
  104,839 ( 0.02%)                  let exact = len!(self);
        .                           (exact, Some(exact))
        .                       }
        .           
        .                       #[inline]
        .                       fn count(self) -> usize {
        .                           len!(self)
        .                       }
        .           
        .                       #[inline]
        .                       fn nth(&mut self, n: usize) -> Option<$elem> {
    1,190 ( 0.00%)                  if n >= len!(self) {
        .                               // This iterator is now empty.
        .                               if mem::size_of::<T>() == 0 {
        .                                   // We have to do it this way as `ptr` may never be 0, but `end`
        .                                   // could be (due to wrapping).
        .                                   self.end = self.ptr.as_ptr();
        .                               } else {
        .                                   // SAFETY: end can't be 0 if T isn't ZST because ptr isn't 0 and end >= ptr
        .                                   unsafe {
-- line 175 ----------------------------------------
-- line 203 ----------------------------------------
        .                       // faster to compile.
        .                       #[inline]
        .                       fn for_each<F>(mut self, mut f: F)
        .                       where
        .                           Self: Sized,
        .                           F: FnMut(Self::Item),
        .                       {
        .                           while let Some(x) = self.next() {
      366 ( 0.00%)                      f(x);
        .                           }
        .                       }
        .           
        .                       // We override the default implementation, which uses `try_fold`,
        .                       // because this simple implementation generates less LLVM IR and is
        .                       // faster to compile.
        .                       #[inline]
        .                       fn all<F>(&mut self, mut f: F) -> bool
        .                       where
        .                           Self: Sized,
        .                           F: FnMut(Self::Item) -> bool,
        .                       {
       59 ( 0.00%)                  while let Some(x) = self.next() {
    2,200 ( 0.00%)                      if !f(x) {
        .                                   return false;
        .                               }
        .                           }
        .                           true
        .                       }
        .           
        .                       // We override the default implementation, which uses `try_fold`,
        .                       // because this simple implementation generates less LLVM IR and is
        .                       // faster to compile.
        .                       #[inline]
        8 ( 0.00%)              fn any<F>(&mut self, mut f: F) -> bool
        .                       where
        .                           Self: Sized,
        .                           F: FnMut(Self::Item) -> bool,
        .                       {
   30,966 ( 0.01%)                  while let Some(x) = self.next() {
  191,144 ( 0.03%)                      if f(x) {
        .                                   return true;
        .                               }
        .                           }
        .                           false
        8 ( 0.00%)              }
        .           
        .                       // We override the default implementation, which uses `try_fold`,
        .                       // because this simple implementation generates less LLVM IR and is
        .                       // faster to compile.
        .                       #[inline]
        .                       fn find<P>(&mut self, mut predicate: P) -> Option<Self::Item>
        .                       where
        .                           Self: Sized,
        .                           P: FnMut(&Self::Item) -> bool,
        .                       {
    1,946 ( 0.00%)                  while let Some(x) = self.next() {
    6,303 ( 0.00%)                      if predicate(&x) {
        .                                   return Some(x);
        .                               }
        .                           }
        .                           None
       64 ( 0.00%)              }
        .           
        .                       // We override the default implementation, which uses `try_fold`,
        .                       // because this simple implementation generates less LLVM IR and is
        .                       // faster to compile.
        .                       #[inline]
        .                       fn find_map<B, F>(&mut self, mut f: F) -> Option<B>
        .                       where
        .                           Self: Sized,
        .                           F: FnMut(Self::Item) -> Option<B>,
        .                       {
   22,180 ( 0.00%)                  while let Some(x) = self.next() {
   24,437 ( 0.00%)                      if let Some(y) = f(x) {
    1,829 ( 0.00%)                          return Some(y);
        .                               }
        .                           }
        .                           None
    1,010 ( 0.00%)              }
        .           
        .                       // We override the default implementation, which uses `try_fold`,
        .                       // because this simple implementation generates less LLVM IR and is
        .                       // faster to compile. Also, the `assume` avoids a bounds check.
        .                       #[inline]
        .                       #[rustc_inherit_overflow_checks]
        .                       fn position<P>(&mut self, mut predicate: P) -> Option<usize> where
        .                           Self: Sized,
        .                           P: FnMut(Self::Item) -> bool,
        .                       {
        .                           let n = len!(self);
        .                           let mut i = 0;
        .                           while let Some(x) = self.next() {
   21,399 ( 0.00%)                      if predicate(x) {
        .                                   // SAFETY: we are guaranteed to be in bounds by the loop invariant:
        .                                   // when `i >= n`, `self.next()` returns `None` and the loop breaks.
        .                                   unsafe { assume(i < n) };
        .                                   return Some(i);
        .                               }
        .                               i += 1;
        .                           }
        .                           None
-- line 303 ----------------------------------------
-- line 308 ----------------------------------------
        .                       // faster to compile. Also, the `assume` avoids a bounds check.
        .                       #[inline]
        .                       fn rposition<P>(&mut self, mut predicate: P) -> Option<usize> where
        .                           P: FnMut(Self::Item) -> bool,
        .                           Self: Sized + ExactSizeIterator + DoubleEndedIterator
        .                       {
        .                           let n = len!(self);
        .                           let mut i = n;
    5,710 ( 0.00%)                  while let Some(x) = self.next_back() {
   83,254 ( 0.01%)                      i -= 1;
   70,034 ( 0.01%)                      if predicate(x) {
        .                                   // SAFETY: `i` must be lower than `n` since it starts at `n`
        .                                   // and is only decreasing.
        .                                   unsafe { assume(i < n) };
        .                                   return Some(i);
        .                               }
        .                           }
        .                           None
        .                       }
-- line 326 ----------------------------------------
-- line 332 ----------------------------------------
        .                           // the returned references is guaranteed to refer to an element
        .                           // of the slice and thus guaranteed to be valid.
        .                           //
        .                           // Also note that the caller also guarantees that we're never
        .                           // called with the same index again, and that no other methods
        .                           // that will access this subslice are called, so it is valid
        .                           // for the returned reference to be mutable in the case of
        .                           // `IterMut`
   11,455 ( 0.00%)                  unsafe { & $( $mut_ )? * self.ptr.as_ptr().add(idx) }
        .                       }
        .           
        .                       $($extra)*
        .                   }
        .           
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   impl<'a, T> DoubleEndedIterator for $name<'a, T> {
        .                       #[inline]
-- line 348 ----------------------------------------
-- line 349 ----------------------------------------
        .                       fn next_back(&mut self) -> Option<$elem> {
        .                           // could be implemented with slices, but this avoids bounds checks
        .           
        .                           // SAFETY: `assume` calls are safe since a slice's start pointer must be non-null,
        .                           // and slices over non-ZSTs must also have a non-null end pointer.
        .                           // The call to `next_back_unchecked!` is safe since we check if the iterator is
        .                           // empty first.
        .                           unsafe {
      147 ( 0.00%)                      assume(!self.ptr.as_ptr().is_null());
        .                               if mem::size_of::<T>() != 0 {
      152 ( 0.00%)                          assume(!self.end.is_null());
        .                               }
  102,396 ( 0.02%)                      if is_empty!(self) {
        .                                   None
        .                               } else {
        .                                   Some(next_back_unchecked!(self))
        .                               }
        .                           }
        .                       }
        .           
        .                       #[inline]
-- line 369 ----------------------------------------

  827,501 ( 0.14%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs
--------------------------------------------------------------------------------
Ir                 

-- line 57 ----------------------------------------
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
        .                   ///
        .                   /// ```
        .                   #[doc = concat!("assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
      100 ( 0.00%)          pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
       50 ( 0.00%)              from_str_radix(src, radix)
      150 ( 0.00%)          }
        .           
        .                   /// Returns the number of ones in the binary representation of `self`.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
        .                   ///
        .                   /// ```
-- line 75 ----------------------------------------
-- line 80 ----------------------------------------
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
        .                   #[doc(alias = "popcount")]
        .                   #[doc(alias = "popcnt")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn count_ones(self) -> u32 {
   29,160 ( 0.01%)              intrinsics::ctpop(self as $ActualT) as u32
        .                   }
        .           
        .                   /// Returns the number of zeros in the binary representation of `self`.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
        .                   ///
-- line 96 ----------------------------------------
-- line 118 ----------------------------------------
        .                   /// assert_eq!(n.leading_zeros(), 2);
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn leading_zeros(self) -> u32 {
  102,630 ( 0.02%)              intrinsics::ctlz(self as $ActualT) as u32
        .                   }
        .           
        .                   /// Returns the number of trailing zeros in the binary representation
        .                   /// of `self`.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 134 ----------------------------------------
-- line 139 ----------------------------------------
        .                   /// assert_eq!(n.trailing_zeros(), 3);
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn trailing_zeros(self) -> u32 {
   85,651 ( 0.01%)              intrinsics::cttz(self) as u32
        .                   }
        .           
        .                   /// Returns the number of leading ones in the binary representation of `self`.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
        .                   ///
-- line 155 ----------------------------------------
-- line 204 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(n.rotate_left(", $rot, "), m);")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn rotate_left(self, n: u32) -> Self {
1,717,599 ( 0.30%)              intrinsics::rotate_left(self, n as $SelfT)
        .                   }
        .           
        .                   /// Shifts the bits to the right by a specified amount, `n`,
        .                   /// wrapping the truncated bits to the beginning of the resulting
        .                   /// integer.
        .                   ///
        .                   /// Please note this isn't the same operation as the `>>` shifting operator!
        .                   ///
-- line 220 ----------------------------------------
-- line 456 ----------------------------------------
        .                   )]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[rustc_const_unstable(feature = "const_inherent_unchecked_arith", issue = "85122")]
        .                   #[inline(always)]
        .                   pub const unsafe fn unchecked_add(self, rhs: Self) -> Self {
        .                       // SAFETY: the caller must uphold the safety contract for
        .                       // `unchecked_add`.
  214,810 ( 0.04%)              unsafe { intrinsics::unchecked_add(self, rhs) }
        .                   }
        .           
        .                   /// Checked addition with a signed integer. Computes `self + rhs`,
        .                   /// returning `None` if overflow occurred.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 472 ----------------------------------------
-- line 525 ----------------------------------------
        .                   )]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[rustc_const_unstable(feature = "const_inherent_unchecked_arith", issue = "85122")]
        .                   #[inline(always)]
        .                   pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self {
        .                       // SAFETY: the caller must uphold the safety contract for
        .                       // `unchecked_sub`.
    7,437 ( 0.00%)              unsafe { intrinsics::unchecked_sub(self, rhs) }
        .                   }
        .           
        .                   /// Checked integer multiplication. Computes `self * rhs`, returning
        .                   /// `None` if overflow occurred.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 541 ----------------------------------------
-- line 596 ----------------------------------------
        .                                 without modifying the original"]
        .                   #[inline]
        .                   pub const fn checked_div(self, rhs: Self) -> Option<Self> {
        .                       if unlikely!(rhs == 0) {
        .                           None
        .                       } else {
        .                           // SAFETY: div by zero has been checked above and unsigned types have no other
        .                           // failure modes for division
      144 ( 0.00%)                  Some(unsafe { intrinsics::unchecked_div(self, rhs) })
        .                       }
        .                   }
        .           
        .                   /// Checked Euclidean division. Computes `self.div_euclid(rhs)`, returning `None`
        .                   /// if `rhs == 0`.
        .                   ///
        .                   /// # Examples
        .                   ///
-- line 612 ----------------------------------------
-- line 1035 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(127), ", stringify!($SelfT), "::MAX);")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
        .                   #[inline(always)]
        .                   pub const fn saturating_add(self, rhs: Self) -> Self {
   23,207 ( 0.00%)              intrinsics::saturating_add(self, rhs)
        .                   }
        .           
        .                   /// Saturating addition with a signed integer. Computes `self + rhs`,
        .                   /// saturating at the numeric bounds instead of overflowing.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 1051 ----------------------------------------
-- line 1084 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(13", stringify!($SelfT), ".saturating_sub(127), 0);")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
        .                   #[inline(always)]
        .                   pub const fn saturating_sub(self, rhs: Self) -> Self {
      747 ( 0.00%)              intrinsics::saturating_sub(self, rhs)
        .                   }
        .           
        .                   /// Saturating integer multiplication. Computes `self * rhs`,
        .                   /// saturating at the numeric bounds instead of overflowing.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 1100 ----------------------------------------
-- line 1175 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::MAX), 199);")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn wrapping_add(self, rhs: Self) -> Self {
  826,983 ( 0.14%)              intrinsics::wrapping_add(self, rhs)
        .                   }
        .           
        .                   /// Wrapping (modular) addition with a signed integer. Computes
        .                   /// `self + rhs`, wrapping around at the boundary of the type.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 1191 ----------------------------------------
-- line 1217 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::MAX), 101);")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn wrapping_sub(self, rhs: Self) -> Self {
  394,434 ( 0.07%)              intrinsics::wrapping_sub(self, rhs)
        .                   }
        .           
        .                   /// Wrapping (modular) multiplication. Computes `self *
        .                   /// rhs`, wrapping around at the boundary of the type.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 1233 ----------------------------------------
-- line 1240 ----------------------------------------
        .                   /// assert_eq!(25u8.wrapping_mul(12), 44);
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn wrapping_mul(self, rhs: Self) -> Self {
1,150,675 ( 0.20%)              intrinsics::wrapping_mul(self, rhs)
        .                   }
        .           
        .                   /// Wrapping (modular) division. Computes `self / rhs`.
        .                   /// Wrapped division on unsigned types is just normal division.
        .                   /// There's no way wrapping could ever happen.
        .                   /// This function exists, so that all operations
        .                   /// are accounted for in the wrapping operations.
        .                   ///
-- line 1256 ----------------------------------------
-- line 1492 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (0, true));")]
        .                   /// ```
        .                   #[stable(feature = "wrapping", since = "1.7.0")]
        .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
  136,521 ( 0.02%)              let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
        .                       (a as Self, b)
        .                   }
        .           
        .                   /// Calculates `self + rhs + carry` without the ability to overflow.
        .                   ///
        .                   /// Performs "ternary addition" which takes in an extra bit to add, and may return an
        .                   /// additional bit of overflow. This allows for chaining together multiple additions
        .                   /// to create "big integers" which represent larger values.
-- line 1508 ----------------------------------------
-- line 1588 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(0", stringify!($SelfT), ".overflowing_sub(1), (", stringify!($SelfT), "::MAX, true));")]
        .                   /// ```
        .                   #[stable(feature = "wrapping", since = "1.7.0")]
        .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
   57,738 ( 0.01%)              let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
        .                       (a as Self, b)
        .                   }
        .           
        .                   /// Calculates `self - rhs - borrow` without the ability to overflow.
        .                   ///
        .                   /// Performs "ternary subtraction" which takes in an extra bit to subtract, and may return
        .                   /// an additional bit of overflow. This allows for chaining together multiple subtractions
        .                   /// to create "big integers" which represent larger values.
-- line 1604 ----------------------------------------
-- line 1674 ----------------------------------------
        .                   /// assert_eq!(1_000_000_000u32.overflowing_mul(10), (1410065408, true));
        .                   /// ```
        .                   #[stable(feature = "wrapping", since = "1.7.0")]
        .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                     without modifying the original"]
        .                   #[inline(always)]
        .                   pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) {
  237,029 ( 0.04%)              let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT);
        .                       (a as Self, b)
        .                   }
        .           
        .                   /// Calculates the divisor when `self` is divided by `rhs`.
        .                   ///
        .                   /// Returns a tuple of the divisor along with a boolean indicating
        .                   /// whether an arithmetic overflow would occur. Note that for unsigned
        .                   /// integers overflow never occurs, so the second value is always
-- line 1690 ----------------------------------------
-- line 2132 ----------------------------------------
        .                   #[doc = concat!("assert!(16", stringify!($SelfT), ".is_power_of_two());")]
        .                   #[doc = concat!("assert!(!10", stringify!($SelfT), ".is_power_of_two());")]
        .                   /// ```
        .                   #[must_use]
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_is_power_of_two", since = "1.32.0")]
        .                   #[inline(always)]
        .                   pub const fn is_power_of_two(self) -> bool {
       60 ( 0.00%)              self.count_ones() == 1
        .                   }
        .           
        .                   // Returns one less than next power of two.
        .                   // (For 8u8 next power of two is 8u8 and for 6u8 it is 8u8)
        .                   //
        .                   // 8u8.one_less_than_next_power_of_two() == 7
        .                   // 6u8.one_less_than_next_power_of_two() == 7
        .                   //
        .                   // This method cannot overflow, as in the `next_power_of_two`
        .                   // overflow cases it instead ends up returning the maximum value
        .                   // of the type, and can return 0 for 0.
        .                   #[inline]
        .                   #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")]
        .                   const fn one_less_than_next_power_of_two(self) -> Self {
    1,216 ( 0.00%)              if self <= 1 { return 0; }
        .           
    3,483 ( 0.00%)              let p = self - 1;
        .                       // SAFETY: Because `p > 0`, it cannot consist entirely of leading zeros.
        .                       // That means the shift is always in-bounds, and some processors
        .                       // (such as intel pre-haswell) have more efficient ctlz
        .                       // intrinsics when the argument is non-zero.
   10,348 ( 0.00%)              let z = unsafe { intrinsics::ctlz_nonzero(p) };
    3,560 ( 0.00%)              <$SelfT>::MAX >> z
        .                   }
        .           
        .                   /// Returns the smallest power of two greater than or equal to `self`.
        .                   ///
        .                   /// When return value overflows (i.e., `self > (1 << (N-1))` for type
        .                   /// `uN`), it panics in debug mode and the return value is wrapped to 0 in
        .                   /// release mode (the only situation in which method can return 0).
        .                   ///
-- line 2171 ----------------------------------------
-- line 2179 ----------------------------------------
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[inline]
        .                   #[rustc_inherit_overflow_checks]
        .                   pub const fn next_power_of_two(self) -> Self {
    5,738 ( 0.00%)              self.one_less_than_next_power_of_two() + 1
        .                   }
        .           
        .                   /// Returns the smallest power of two greater than or equal to `n`. If
        .                   /// the next power of two is greater than the type's maximum value,
        .                   /// `None` is returned, otherwise the power of two is wrapped in `Some`.
        .                   ///
        .                   /// # Examples
        .                   ///
-- line 2195 ----------------------------------------

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-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs
--------------------------------------------------------------------------------
Ir               

-- line 176 ----------------------------------------
      .               }
      .               fn sess(self) -> Option<&'tcx Session> {
      .                   None
      .               }
      .               fn tcx(self) -> Option<TyCtxt<'tcx>> {
      .                   None
      .               }
      .           
  3,912 ( 0.00%)      fn decoder(self, pos: usize) -> DecodeContext<'a, 'tcx> {
  1,304 ( 0.00%)          let tcx = self.tcx();
239,916 ( 0.04%)          DecodeContext {
 25,074 ( 0.00%)              opaque: opaque::Decoder::new(self.blob(), pos),
  1,304 ( 0.00%)              cdata: self.cdata(),
      .                       blob: self.blob(),
  7,504 ( 0.00%)              sess: self.sess().or(tcx.map(|tcx| tcx.sess)),
      .                       tcx,
      .                       last_source_file_index: 0,
      .                       lazy_state: LazyState::NoNode,
      .                       alloc_decoding_session: self
      .                           .cdata()
 22,599 ( 0.00%)                  .map(|cdata| cdata.cdata.alloc_decoding_state.new_decoding_session()),
      .                   }
  3,912 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Metadata<'a, 'tcx> for &'a MetadataBlob {
      .               #[inline]
      .               fn blob(self) -> &'a MetadataBlob {
      .                   self
      .               }
      .           }
-- line 206 ----------------------------------------
-- line 255 ----------------------------------------
      .               }
      .               #[inline]
      .               fn tcx(self) -> Option<TyCtxt<'tcx>> {
      .                   Some(self.1)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Decodable<DecodeContext<'a, 'tcx>>> Lazy<T> {
 28,937 ( 0.00%)      fn decode<M: Metadata<'a, 'tcx>>(self, metadata: M) -> T {
 16,501 ( 0.00%)          let mut dcx = metadata.decoder(self.position.get());
 70,989 ( 0.01%)          dcx.lazy_state = LazyState::NodeStart(self.position);
 25,230 ( 0.00%)          T::decode(&mut dcx)
 36,965 ( 0.01%)      }
      .           }
      .           
      .           impl<'a: 'x, 'tcx: 'x, 'x, T: Decodable<DecodeContext<'a, 'tcx>>> Lazy<[T]> {
      .               fn decode<M: Metadata<'a, 'tcx>>(
      .                   self,
      .                   metadata: M,
      .               ) -> impl ExactSizeIterator<Item = T> + Captures<'a> + Captures<'tcx> + 'x {
     49 ( 0.00%)          let mut dcx = metadata.decoder(self.position.get());
     14 ( 0.00%)          dcx.lazy_state = LazyState::NodeStart(self.position);
 20,438 ( 0.00%)          (0..self.meta).map(move |_| T::decode(&mut dcx))
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> DecodeContext<'a, 'tcx> {
      .               #[inline]
      .               fn tcx(&self) -> TyCtxt<'tcx> {
      .                   debug_assert!(self.tcx.is_some(), "missing TyCtxt in DecodeContext");
      .                   self.tcx.unwrap()
-- line 285 ----------------------------------------
-- line 292 ----------------------------------------
      .           
      .               #[inline]
      .               pub fn cdata(&self) -> CrateMetadataRef<'a> {
      .                   debug_assert!(self.cdata.is_some(), "missing CrateMetadata in DecodeContext");
      .                   self.cdata.unwrap()
      .               }
      .           
      .               fn map_encoded_cnum_to_current(&self, cnum: CrateNum) -> CrateNum {
 60,005 ( 0.01%)          if cnum == LOCAL_CRATE { self.cdata().cnum } else { self.cdata().cnum_map[cnum] }
      .               }
      .           
 22,105 ( 0.00%)      fn read_lazy_with_meta<T: ?Sized + LazyMeta>(&mut self, meta: T::Meta) -> Lazy<T> {
      .                   let distance = self.read_usize();
 19,719 ( 0.00%)          let position = match self.lazy_state {
      .                       LazyState::NoNode => bug!("read_lazy_with_meta: outside of a metadata node"),
  5,298 ( 0.00%)              LazyState::NodeStart(start) => {
      .                           let start = start.get();
 10,596 ( 0.00%)                  assert!(distance <= start);
      .                           start - distance
      .                       }
  2,295 ( 0.00%)              LazyState::Previous(last_pos) => last_pos.get() + distance,
      .                   };
 12,126 ( 0.00%)          self.lazy_state = LazyState::Previous(NonZeroUsize::new(position).unwrap());
      .                   Lazy::from_position_and_meta(NonZeroUsize::new(position).unwrap(), meta)
 22,105 ( 0.00%)      }
      .           
      .               #[inline]
      .               pub fn read_raw_bytes(&mut self, len: usize) -> &'a [u8] {
      .                   self.opaque.read_raw_bytes(len)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> TyDecoder<'tcx> for DecodeContext<'a, 'tcx> {
-- line 324 ----------------------------------------
-- line 326 ----------------------------------------
      .           
      .               #[inline]
      .               fn tcx(&self) -> TyCtxt<'tcx> {
      .                   self.tcx.expect("missing TyCtxt in DecodeContext")
      .               }
      .           
      .               #[inline]
      .               fn peek_byte(&self) -> u8 {
 42,550 ( 0.01%)          self.opaque.data[self.opaque.position()]
      .               }
      .           
      .               #[inline]
      .               fn position(&self) -> usize {
      .                   self.opaque.position()
      .               }
      .           
 40,376 ( 0.01%)      fn cached_ty_for_shorthand<F>(&mut self, shorthand: usize, or_insert_with: F) -> Ty<'tcx>
      .               where
      .                   F: FnOnce(&mut Self) -> Ty<'tcx>,
      .               {
  5,768 ( 0.00%)          let tcx = self.tcx();
      .           
  5,768 ( 0.00%)          let key = ty::CReaderCacheKey { cnum: Some(self.cdata().cnum), pos: shorthand };
      .           
 17,816 ( 0.00%)          if let Some(&ty) = tcx.ty_rcache.borrow().get(&key) {
      .                       return ty;
      .                   }
      .           
  1,314 ( 0.00%)          let ty = or_insert_with(self);
      .                   tcx.ty_rcache.borrow_mut().insert(key, ty);
      .                   ty
 51,912 ( 0.01%)      }
      .           
      .               fn with_position<F, R>(&mut self, pos: usize, f: F) -> R
      .               where
      .                   F: FnOnce(&mut Self) -> R,
      .               {
      .                   let new_opaque = opaque::Decoder::new(self.opaque.data, pos);
      .                   let old_opaque = mem::replace(&mut self.opaque, new_opaque);
      .                   let old_state = mem::replace(&mut self.lazy_state, LazyState::NoNode);
      .                   let r = f(self);
  7,085 ( 0.00%)          self.opaque = old_opaque;
  1,417 ( 0.00%)          self.lazy_state = old_state;
      .                   r
      .               }
      .           
      .               fn decode_alloc_id(&mut self) -> rustc_middle::mir::interpret::AllocId {
      .                   if let Some(alloc_decoding_session) = self.alloc_decoding_session {
      .                       alloc_decoding_session.decode_alloc_id(self)
      .                   } else {
      .                       bug!("Attempting to decode interpret::AllocId without CrateMetadata")
      .                   }
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for CrateNum {
      .               fn decode(d: &mut DecodeContext<'a, 'tcx>) -> CrateNum {
 32,504 ( 0.01%)          let cnum = CrateNum::from_u32(d.read_u32());
      .                   d.map_encoded_cnum_to_current(cnum)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for DefIndex {
    491 ( 0.00%)      fn decode(d: &mut DecodeContext<'a, 'tcx>) -> DefIndex {
 62,012 ( 0.01%)          DefIndex::from_u32(d.read_u32())
    982 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for ExpnIndex {
      .               fn decode(d: &mut DecodeContext<'a, 'tcx>) -> ExpnIndex {
      .                   ExpnIndex::from_u32(d.read_u32())
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for SyntaxContext {
103,268 ( 0.02%)      fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> SyntaxContext {
 25,817 ( 0.00%)          let cdata = decoder.cdata();
 25,817 ( 0.00%)          let sess = decoder.sess.unwrap();
 51,634 ( 0.01%)          let cname = cdata.root.name;
      .                   rustc_span::hygiene::decode_syntax_context(decoder, &cdata.hygiene_context, |_, id| {
      .                       debug!("SpecializedDecoder<SyntaxContext>: decoding {}", id);
    332 ( 0.00%)              cdata
      .                           .root
      .                           .syntax_contexts
      .                           .get(cdata, id)
      .                           .unwrap_or_else(|| panic!("Missing SyntaxContext {:?} for crate {:?}", id, cname))
      .                           .decode((cdata, sess))
      .                   })
129,085 ( 0.02%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for ExpnId {
  3,864 ( 0.00%)      fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> ExpnId {
    552 ( 0.00%)          let local_cdata = decoder.cdata();
    552 ( 0.00%)          let sess = decoder.sess.unwrap();
      .           
      .                   let cnum = CrateNum::decode(decoder);
      .                   let index = u32::decode(decoder);
      .           
      .                   let expn_id = rustc_span::hygiene::decode_expn_id(cnum, index, |expn_id| {
      .                       let ExpnId { krate: cnum, local_id: index } = expn_id;
      .                       // Lookup local `ExpnData`s in our own crate data. Foreign `ExpnData`s
      .                       // are stored in the owning crate, to avoid duplication.
      .                       debug_assert_ne!(cnum, LOCAL_CRATE);
    111 ( 0.00%)              let crate_data = if cnum == local_cdata.cnum {
      .                           local_cdata
      .                       } else {
      .                           local_cdata.cstore.get_crate_data(cnum)
      .                       };
    555 ( 0.00%)              let expn_data = crate_data
      .                           .root
      .                           .expn_data
      .                           .get(crate_data, index)
      .                           .unwrap()
      .                           .decode((crate_data, sess));
    555 ( 0.00%)              let expn_hash = crate_data
      .                           .root
      .                           .expn_hashes
      .                           .get(crate_data, index)
      .                           .unwrap()
      .                           .decode((crate_data, sess));
  1,110 ( 0.00%)              (expn_data, expn_hash)
      .                   });
      .                   expn_id
  4,416 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for Span {
204,544 ( 0.04%)      fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Span {
 25,568 ( 0.00%)          let ctxt = SyntaxContext::decode(decoder);
      .                   let tag = u8::decode(decoder);
      .           
 51,136 ( 0.01%)          if tag == TAG_PARTIAL_SPAN {
      .                       return DUMMY_SP.with_ctxt(ctxt);
      .                   }
      .           
      .                   debug_assert!(tag == TAG_VALID_SPAN_LOCAL || tag == TAG_VALID_SPAN_FOREIGN);
      .           
      .                   let lo = BytePos::decode(decoder);
      .                   let len = BytePos::decode(decoder);
      .                   let hi = lo + len;
      .           
 76,665 ( 0.01%)          let Some(sess) = decoder.sess else {
      .                       bug!("Cannot decode Span without Session.")
      .                   };
      .           
      .                   // There are two possibilities here:
      .                   // 1. This is a 'local span', which is located inside a `SourceFile`
      .                   // that came from this crate. In this case, we use the source map data
      .                   // encoded in this crate. This branch should be taken nearly all of the time.
      .                   // 2. This is a 'foreign span', which is located inside a `SourceFile`
-- line 476 ----------------------------------------
-- line 492 ----------------------------------------
      .                   // a transitive dependency.
      .                   //
      .                   // When we encode a foreign span, we adjust its 'lo' and 'high' values
      .                   // to be based on the *foreign* crate (e.g. crate C), not the crate
      .                   // we are writing metadata for (e.g. crate B). This allows us to
      .                   // treat the 'local' and 'foreign' cases almost identically during deserialization:
      .                   // we can call `imported_source_files` for the proper crate, and binary search
      .                   // through the returned slice using our span.
 65,038 ( 0.01%)          let imported_source_files = if tag == TAG_VALID_SPAN_LOCAL {
      .                       decoder.cdata().imported_source_files(sess)
      .                   } else {
      .                       // When we encode a proc-macro crate, all `Span`s should be encoded
      .                       // with `TAG_VALID_SPAN_LOCAL`
      .                       if decoder.cdata().root.is_proc_macro_crate() {
      .                           // Decode `CrateNum` as u32 - using `CrateNum::decode` will ICE
      .                           // since we don't have `cnum_map` populated.
      .                           let cnum = u32::decode(decoder);
-- line 508 ----------------------------------------
-- line 527 ----------------------------------------
      .           
      .                       let foreign_data = decoder.cdata().cstore.get_crate_data(cnum);
      .                       foreign_data.imported_source_files(sess)
      .                   };
      .           
      .                   let source_file = {
      .                       // Optimize for the case that most spans within a translated item
      .                       // originate from the same source_file.
 76,665 ( 0.01%)              let last_source_file = &imported_source_files[decoder.last_source_file_index];
      .           
 96,972 ( 0.02%)              if lo >= last_source_file.original_start_pos && lo <= last_source_file.original_end_pos
      .                       {
      .                           last_source_file
      .                       } else {
      .                           let index = imported_source_files
      .                               .binary_search_by_key(&lo, |source_file| source_file.original_start_pos)
 27,852 ( 0.00%)                      .unwrap_or_else(|index| index - 1);
      .           
      .                           // Don't try to cache the index for foreign spans,
      .                           // as this would require a map from CrateNums to indices
 13,928 ( 0.00%)                  if tag == TAG_VALID_SPAN_LOCAL {
 13,928 ( 0.00%)                      decoder.last_source_file_index = index;
      .                           }
 27,856 ( 0.00%)                  &imported_source_files[index]
      .                       }
      .                   };
      .           
      .                   // Make sure our binary search above is correct.
      .                   debug_assert!(
      .                       lo >= source_file.original_start_pos && lo <= source_file.original_end_pos,
      .                       "Bad binary search: lo={:?} source_file.original_start_pos={:?} source_file.original_end_pos={:?}",
      .                       lo,
-- line 558 ----------------------------------------
-- line 565 ----------------------------------------
      .                       hi >= source_file.original_start_pos && hi <= source_file.original_end_pos,
      .                       "Bad binary search: hi={:?} source_file.original_start_pos={:?} source_file.original_end_pos={:?}",
      .                       hi,
      .                       source_file.original_start_pos,
      .                       source_file.original_end_pos
      .                   );
      .           
      .                   let lo =
102,220 ( 0.02%)              (lo + source_file.translated_source_file.start_pos) - source_file.original_start_pos;
      .                   let hi =
      .                       (hi + source_file.translated_source_file.start_pos) - source_file.original_start_pos;
      .           
      .                   // Do not try to decode parent for foreign spans.
      .                   Span::new(lo, hi, ctxt, None)
230,112 ( 0.04%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for &'tcx [thir::abstract_const::Node<'tcx>] {
      .               fn decode(d: &mut DecodeContext<'a, 'tcx>) -> Self {
      .                   ty::codec::RefDecodable::decode(d)
      .               }
      .           }
      .           
-- line 587 ----------------------------------------
-- line 590 ----------------------------------------
      .                   ty::codec::RefDecodable::decode(d)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Decodable<DecodeContext<'a, 'tcx>>> Decodable<DecodeContext<'a, 'tcx>>
      .               for Lazy<T>
      .           {
      .               fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self {
  8,433 ( 0.00%)          decoder.read_lazy_with_meta(())
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Decodable<DecodeContext<'a, 'tcx>>> Decodable<DecodeContext<'a, 'tcx>>
      .               for Lazy<[T]>
      .           {
      .               fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self {
      .                   let len = decoder.read_usize();
 11,063 ( 0.00%)          if len == 0 { Lazy::empty() } else { decoder.read_lazy_with_meta(len) }
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, I: Idx, T: Decodable<DecodeContext<'a, 'tcx>>> Decodable<DecodeContext<'a, 'tcx>>
      .               for Lazy<Table<I, T>>
      .           where
      .               Option<T>: FixedSizeEncoding,
      .           {
      .               fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self {
      .                   let len = decoder.read_usize();
  2,028 ( 0.00%)          decoder.read_lazy_with_meta(len)
      .               }
      .           }
      .           
      .           implement_ty_decoder!(DecodeContext<'a, 'tcx>);
      .           
      .           impl<'tcx> MetadataBlob {
      .               crate fn new(metadata_ref: MetadataRef) -> MetadataBlob {
      .                   MetadataBlob(Lrc::new(metadata_ref))
-- line 626 ----------------------------------------
-- line 630 ----------------------------------------
      .                   self.blob().starts_with(METADATA_HEADER)
      .               }
      .           
      .               crate fn get_rustc_version(&self) -> String {
      .                   Lazy::<String>::from_position(NonZeroUsize::new(METADATA_HEADER.len() + 4).unwrap())
      .                       .decode(self)
      .               }
      .           
     36 ( 0.00%)      crate fn get_root(&self) -> CrateRoot<'tcx> {
     12 ( 0.00%)          let slice = &self.blob()[..];
      .                   let offset = METADATA_HEADER.len();
     60 ( 0.00%)          let pos = (((slice[offset + 0] as u32) << 24)
     24 ( 0.00%)              | ((slice[offset + 1] as u32) << 16)
     48 ( 0.00%)              | ((slice[offset + 2] as u32) << 8)
     36 ( 0.00%)              | ((slice[offset + 3] as u32) << 0)) as usize;
      .                   Lazy::<CrateRoot<'tcx>>::from_position(NonZeroUsize::new(pos).unwrap()).decode(self)
     60 ( 0.00%)      }
      .           
      .               crate fn list_crate_metadata(&self, out: &mut dyn io::Write) -> io::Result<()> {
      .                   let root = self.get_root();
      .                   writeln!(out, "Crate info:")?;
      .                   writeln!(out, "name {}{}", root.name, root.extra_filename)?;
      .                   writeln!(out, "hash {} stable_crate_id {:?}", root.hash, root.stable_crate_id)?;
      .                   writeln!(out, "proc_macro {:?}", root.proc_macro_data.is_some())?;
      .                   writeln!(out, "=External Dependencies=")?;
-- line 654 ----------------------------------------
-- line 666 ----------------------------------------
      .                   }
      .                   write!(out, "\n")?;
      .                   Ok(())
      .               }
      .           }
      .           
      .           impl CrateRoot<'_> {
      .               crate fn is_proc_macro_crate(&self) -> bool {
      8 ( 0.00%)          self.proc_macro_data.is_some()
      .               }
      .           
      .               crate fn name(&self) -> Symbol {
      6 ( 0.00%)          self.name
      .               }
      .           
      .               crate fn hash(&self) -> Svh {
      4 ( 0.00%)          self.hash
      .               }
      .           
      .               crate fn stable_crate_id(&self) -> StableCrateId {
      8 ( 0.00%)          self.stable_crate_id
      .               }
      .           
      .               crate fn triple(&self) -> &TargetTriple {
      .                   &self.triple
      .               }
      .           
      .               crate fn decode_crate_deps<'a>(
      .                   &self,
      .                   metadata: &'a MetadataBlob,
      .               ) -> impl ExactSizeIterator<Item = CrateDep> + Captures<'a> {
      8 ( 0.00%)          self.crate_deps.decode(metadata)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> CrateMetadataRef<'a> {
      .               fn raw_proc_macro(self, id: DefIndex) -> &'a ProcMacro {
      .                   // DefIndex's in root.proc_macro_data have a one-to-one correspondence
      .                   // with items in 'raw_proc_macros'.
      .                   let pos = self
-- line 705 ----------------------------------------
-- line 709 ----------------------------------------
      .                       .unwrap()
      .                       .macros
      .                       .decode(self)
      .                       .position(|i| i == id)
      .                       .unwrap();
      .                   &self.raw_proc_macros.unwrap()[pos]
      .               }
      .           
 36,476 ( 0.01%)      fn opt_item_ident(self, item_index: DefIndex, sess: &Session) -> Option<Ident> {
 26,968 ( 0.00%)          let name = self.def_key(item_index).disambiguated_data.data.get_opt_name()?;
 13,671 ( 0.00%)          let span = match self.root.tables.ident_span.get(self, item_index) {
      .                       Some(lazy_span) => lazy_span.decode((self, sess)),
      .                       None => {
      .                           // FIXME: this weird case of a name with no span is specific to `extern crate`
      .                           // items, which are supposed to be treated like `use` items and only be encoded
      .                           // to metadata as `Export`s, return `None` because that's what all the callers
      .                           // expect in this case.
     36 ( 0.00%)                  assert_eq!(self.def_kind(item_index), DefKind::ExternCrate);
      .                           return None;
      .                       }
      .                   };
      .                   Some(Ident::new(name, span))
 46,600 ( 0.01%)      }
      .           
    350 ( 0.00%)      fn item_ident(self, item_index: DefIndex, sess: &Session) -> Ident {
  6,397 ( 0.00%)          self.opt_item_ident(item_index, sess).expect("no encoded ident for item")
    700 ( 0.00%)      }
      .           
      .               fn maybe_kind(self, item_id: DefIndex) -> Option<EntryKind> {
  8,762 ( 0.00%)          self.root.tables.kind.get(self, item_id).map(|k| k.decode(self))
      .               }
      .           
 35,048 ( 0.01%)      fn kind(self, item_id: DefIndex) -> EntryKind {
      .                   self.maybe_kind(item_id).unwrap_or_else(|| {
      .                       bug!(
      .                           "CrateMetadata::kind({:?}): id not found, in crate {:?} with number {}",
      .                           item_id,
      .                           self.root.name,
      .                           self.cnum,
      .                       )
      .                   })
 26,286 ( 0.00%)      }
      .           
  6,489 ( 0.00%)      fn def_kind(self, item_id: DefIndex) -> DefKind {
  5,473 ( 0.00%)          self.root.tables.def_kind.get(self, item_id).map(|k| k.decode(self)).unwrap_or_else(|| {
      .                       bug!(
      .                           "CrateMetadata::def_kind({:?}): id not found, in crate {:?} with number {}",
      .                           item_id,
      .                           self.root.name,
      .                           self.cnum,
      .                       )
      .                   })
  3,708 ( 0.00%)      }
      .           
  3,150 ( 0.00%)      fn get_span(self, index: DefIndex, sess: &Session) -> Span {
  4,416 ( 0.00%)          self.root
      .                       .tables
      .                       .span
      .                       .get(self, index)
      .                       .unwrap_or_else(|| panic!("Missing span for {:?}", index))
      .                       .decode((self, sess))
  1,750 ( 0.00%)      }
      .           
      .               fn load_proc_macro(self, id: DefIndex, sess: &Session) -> SyntaxExtension {
      .                   let (name, kind, helper_attrs) = match *self.raw_proc_macro(id) {
      .                       ProcMacro::CustomDerive { trait_name, attributes, client } => {
      .                           let helper_attrs =
      .                               attributes.iter().cloned().map(Symbol::intern).collect::<Vec<_>>();
      .                           (
      .                               trait_name,
-- line 778 ----------------------------------------
-- line 795 ----------------------------------------
      .                       self.get_span(id, sess),
      .                       helper_attrs,
      .                       self.root.edition,
      .                       Symbol::intern(name),
      .                       &attrs,
      .                   )
      .               }
      .           
    338 ( 0.00%)      fn get_trait_def(self, item_id: DefIndex, sess: &Session) -> ty::TraitDef {
    104 ( 0.00%)          match self.kind(item_id) {
     26 ( 0.00%)              EntryKind::Trait(data) => {
    156 ( 0.00%)                  let data = data.decode((self, sess));
    416 ( 0.00%)                  ty::TraitDef::new(
      .                               self.local_def_id(item_id),
     52 ( 0.00%)                      data.unsafety,
     52 ( 0.00%)                      data.paren_sugar,
     52 ( 0.00%)                      data.has_auto_impl,
     52 ( 0.00%)                      data.is_marker,
     26 ( 0.00%)                      data.skip_array_during_method_dispatch,
     26 ( 0.00%)                      data.specialization_kind,
    104 ( 0.00%)                      self.def_path_hash(item_id),
     26 ( 0.00%)                      data.must_implement_one_of,
      .                           )
      .                       }
      .                       EntryKind::TraitAlias => ty::TraitDef::new(
      .                           self.local_def_id(item_id),
      .                           hir::Unsafety::Normal,
      .                           false,
      .                           false,
      .                           false,
      .                           false,
      .                           ty::trait_def::TraitSpecializationKind::None,
      .                           self.def_path_hash(item_id),
      .                           None,
      .                       ),
      .                       _ => bug!("def-index does not refer to trait or trait alias"),
      .                   }
    234 ( 0.00%)      }
      .           
    414 ( 0.00%)      fn get_variant(
      .                   self,
      .                   kind: &EntryKind,
      .                   index: DefIndex,
      .                   parent_did: DefId,
      .                   sess: &Session,
      .               ) -> ty::VariantDef {
    184 ( 0.00%)          let data = match kind {
      .                       EntryKind::Variant(data) | EntryKind::Struct(data, _) | EntryKind::Union(data, _) => {
    230 ( 0.00%)                  data.decode(self)
      .                       }
      .                       _ => bug!(),
      .                   };
      .           
    162 ( 0.00%)          let adt_kind = match kind {
      .                       EntryKind::Variant(_) => ty::AdtKind::Enum,
      .                       EntryKind::Struct(..) => ty::AdtKind::Struct,
      .                       EntryKind::Union(..) => ty::AdtKind::Union,
      .                       _ => bug!(),
      .                   };
      .           
      .                   let variant_did =
      .                       if adt_kind == ty::AdtKind::Enum { Some(self.local_def_id(index)) } else { None };
     92 ( 0.00%)          let ctor_did = data.ctor.map(|index| self.local_def_id(index));
      .           
  1,012 ( 0.00%)          ty::VariantDef::new(
      .                       self.item_ident(index, sess).name,
      .                       variant_did,
      .                       ctor_did,
    184 ( 0.00%)              data.discr,
    276 ( 0.00%)              self.root
      .                           .tables
      .                           .children
      .                           .get(self, index)
      .                           .unwrap_or_else(Lazy::empty)
      .                           .decode(self)
      .                           .map(|index| ty::FieldDef {
     64 ( 0.00%)                      did: self.local_def_id(index),
    128 ( 0.00%)                      name: self.item_ident(index, sess).name,
    128 ( 0.00%)                      vis: self.get_visibility(index),
      .                           })
      .                           .collect(),
      .                       data.ctor_kind,
      .                       adt_kind,
      .                       parent_did,
      .                       false,
     46 ( 0.00%)              data.is_non_exhaustive,
      .                   )
    414 ( 0.00%)      }
      .           
    570 ( 0.00%)      fn get_adt_def(self, item_id: DefIndex, tcx: TyCtxt<'tcx>) -> &'tcx ty::AdtDef {
    152 ( 0.00%)          let kind = self.kind(item_id);
     76 ( 0.00%)          let did = self.local_def_id(item_id);
      .           
    184 ( 0.00%)          let (adt_kind, repr) = match kind {
      .                       EntryKind::Enum(repr) => (ty::AdtKind::Enum, repr),
      .                       EntryKind::Struct(_, repr) => (ty::AdtKind::Struct, repr),
      .                       EntryKind::Union(_, repr) => (ty::AdtKind::Union, repr),
      .                       _ => bug!("get_adt_def called on a non-ADT {:?}", did),
      .                   };
      .           
      .                   let variants = if let ty::AdtKind::Enum = adt_kind {
     20 ( 0.00%)              self.root
      .                           .tables
      .                           .children
      .                           .get(self, item_id)
      .                           .unwrap_or_else(Lazy::empty)
      .                           .decode(self)
    204 ( 0.00%)                  .map(|index| self.get_variant(&self.kind(index), index, did, tcx.sess))
      .                           .collect()
      .                   } else {
    272 ( 0.00%)              std::iter::once(self.get_variant(&kind, item_id, did, tcx.sess)).collect()
      .                   };
      .           
    552 ( 0.00%)          tcx.alloc_adt_def(did, adt_kind, variants, repr)
    266 ( 0.00%)      }
      .           
      .               fn get_explicit_predicates(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> ty::GenericPredicates<'tcx> {
  1,570 ( 0.00%)          self.root.tables.explicit_predicates.get(self, item_id).unwrap().decode((self, tcx))
      .               }
      .           
      .               fn get_inferred_outlives(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
  1,570 ( 0.00%)          self.root
      .                       .tables
      .                       .inferred_outlives
      .                       .get(self, item_id)
     16 ( 0.00%)              .map(|predicates| tcx.arena.alloc_from_iter(predicates.decode((self, tcx))))
      .                       .unwrap_or_default()
      .               }
      .           
      .               fn get_super_predicates(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> ty::GenericPredicates<'tcx> {
    120 ( 0.00%)          self.root.tables.super_predicates.get(self, item_id).unwrap().decode((self, tcx))
      .               }
      .           
      .               fn get_explicit_item_bounds(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
     10 ( 0.00%)          self.root
      .                       .tables
      .                       .explicit_item_bounds
      .                       .get(self, item_id)
      4 ( 0.00%)              .map(|bounds| tcx.arena.alloc_from_iter(bounds.decode((self, tcx))))
      .                       .unwrap_or_default()
      .               }
      .           
      .               fn get_generics(self, item_id: DefIndex, sess: &Session) -> ty::Generics {
  1,637 ( 0.00%)          self.root.tables.generics.get(self, item_id).unwrap().decode((self, sess))
      .               }
      .           
      .               fn get_type(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
  3,825 ( 0.00%)          self.root
      .                       .tables
      .                       .ty
      .                       .get(self, id)
      .                       .unwrap_or_else(|| panic!("Not a type: {:?}", id))
      .                       .decode((self, tcx))
      .               }
      .           
      .               fn get_stability(self, id: DefIndex) -> Option<attr::Stability> {
    525 ( 0.00%)          self.root.tables.stability.get(self, id).map(|stab| stab.decode(self))
      .               }
      .           
      .               fn get_const_stability(self, id: DefIndex) -> Option<attr::ConstStability> {
      .                   self.root.tables.const_stability.get(self, id).map(|stab| stab.decode(self))
      .               }
      .           
      .               fn get_deprecation(self, id: DefIndex) -> Option<attr::Deprecation> {
    470 ( 0.00%)          self.root.tables.deprecation.get(self, id).map(|depr| depr.decode(self))
      .               }
      .           
    846 ( 0.00%)      fn get_visibility(self, id: DefIndex) -> ty::Visibility {
  7,305 ( 0.00%)          self.root.tables.visibility.get(self, id).unwrap().decode(self)
    564 ( 0.00%)      }
      .           
      .               fn get_impl_data(self, id: DefIndex) -> ImplData {
 15,018 ( 0.00%)          match self.kind(id) {
 12,515 ( 0.00%)              EntryKind::Impl(data) => data.decode(self),
      .                       _ => bug!(),
      .                   }
      .               }
      .           
      .               fn get_parent_impl(self, id: DefIndex) -> Option<DefId> {
  7,161 ( 0.00%)          self.get_impl_data(id).parent_impl
      .               }
      .           
      .               fn get_impl_polarity(self, id: DefIndex) -> ty::ImplPolarity {
    104 ( 0.00%)          self.get_impl_data(id).polarity
      .               }
      .           
      .               fn get_impl_defaultness(self, id: DefIndex) -> hir::Defaultness {
     12 ( 0.00%)          self.get_impl_data(id).defaultness
      .               }
      .           
      .               fn get_impl_constness(self, id: DefIndex) -> hir::Constness {
      .                   self.get_impl_data(id).constness
      .               }
      .           
      .               fn get_trait_item_def_id(self, id: DefIndex) -> Option<DefId> {
  5,010 ( 0.00%)          self.root.tables.trait_item_def_id.get(self, id).map(|d| d.decode(self))
      .               }
      .           
      .               fn get_coerce_unsized_info(self, id: DefIndex) -> Option<ty::adjustment::CoerceUnsizedInfo> {
      .                   self.get_impl_data(id).coerce_unsized_info
      .               }
      .           
      .               fn get_impl_trait(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Option<ty::TraitRef<'tcx>> {
 29,511 ( 0.01%)          self.root.tables.impl_trait_ref.get(self, id).map(|tr| tr.decode((self, tcx)))
      .               }
      .           
      .               fn get_expn_that_defined(self, id: DefIndex, sess: &Session) -> ExpnId {
  1,790 ( 0.00%)          self.root.tables.expn_that_defined.get(self, id).unwrap().decode((self, sess))
      .               }
      .           
      .               fn get_const_param_default(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   id: DefIndex,
      .               ) -> rustc_middle::ty::Const<'tcx> {
      .                   self.root.tables.const_defaults.get(self, id).unwrap().decode((self, tcx))
-- line 1026 ----------------------------------------
-- line 1028 ----------------------------------------
      .           
      .               /// Iterates over all the stability attributes in the given crate.
      .               fn get_lib_features(self, tcx: TyCtxt<'tcx>) -> &'tcx [(Symbol, Option<Symbol>)] {
      .                   tcx.arena.alloc_from_iter(self.root.lib_features.decode(self))
      .               }
      .           
      .               /// Iterates over the language items in the given crate.
      .               fn get_lang_items(self, tcx: TyCtxt<'tcx>) -> &'tcx [(DefId, usize)] {
     12 ( 0.00%)          tcx.arena.alloc_from_iter(
      8 ( 0.00%)              self.root
      .                           .lang_items
      .                           .decode(self)
    532 ( 0.00%)                  .map(|(def_index, index)| (self.local_def_id(def_index), index)),
      .                   )
      .               }
      .           
      .               /// Iterates over the diagnostic items in the given crate.
      .               fn get_diagnostic_items(self) -> DiagnosticItems {
      .                   let mut id_to_name = FxHashMap::default();
      8 ( 0.00%)          let name_to_id = self
      .                       .root
      .                       .diagnostic_items
      .                       .decode(self)
      .                       .map(|(name, def_index)| {
    106 ( 0.00%)                  let id = self.local_def_id(def_index);
    106 ( 0.00%)                  id_to_name.insert(id, name);
      .                           (name, id)
      .                       })
      .                       .collect();
     36 ( 0.00%)          DiagnosticItems { id_to_name, name_to_id }
      .               }
      .           
      .               /// Iterates over all named children of the given module,
      .               /// including both proper items and reexports.
      .               /// Module here is understood in name resolution sense - it can be a `mod` item,
      .               /// or a crate root, or an enum, or a trait.
      .               fn for_each_module_child(
      .                   self,
      .                   id: DefIndex,
      .                   mut callback: impl FnMut(ModChild),
      .                   sess: &Session,
      .               ) {
    212 ( 0.00%)          if let Some(data) = &self.root.proc_macro_data {
      .                       // If we are loading as a proc macro, we want to return
      .                       // the view of this crate as a proc macro crate.
      .                       if id == CRATE_DEF_INDEX {
      .                           for def_index in data.macros.decode(self) {
      .                               let raw_macro = self.raw_proc_macro(def_index);
      .                               let res = Res::Def(
      .                                   DefKind::Macro(macro_kind(raw_macro)),
      .                                   self.local_def_id(def_index),
-- line 1078 ----------------------------------------
-- line 1085 ----------------------------------------
      .                                   span: ident.span,
      .                               });
      .                           }
      .                       }
      .                       return;
      .                   }
      .           
      .                   // Iterate over all children.
    424 ( 0.00%)          if let Some(children) = self.root.tables.children.get(self, id) {
    848 ( 0.00%)              for child_index in children.decode((self, sess)) {
 11,454 ( 0.00%)                  if let Some(ident) = self.opt_item_ident(child_index, sess) {
  1,494 ( 0.00%)                      let kind = self.def_kind(child_index);
    996 ( 0.00%)                      if matches!(kind, DefKind::Macro(..)) {
      .                                   // FIXME: Macros are currently encoded twice, once as items and once as
      .                                   // reexports. We ignore the items here and only use the reexports.
      .                                   continue;
      .                               }
      .                               let def_id = self.local_def_id(child_index);
      .                               let res = Res::Def(kind, def_id);
      .                               let vis = self.get_visibility(child_index);
      .                               let span = self.get_span(child_index, sess);
      .           
      .                               callback(ModChild { ident, res, vis, span });
      .           
      .                               // For non-re-export structs and variants add their constructors to children.
      .                               // Re-export lists automatically contain constructors when necessary.
  1,858 ( 0.00%)                      match kind {
      .                                   DefKind::Struct => {
     31 ( 0.00%)                              if let Some((ctor_def_id, ctor_kind)) =
      .                                           self.get_ctor_def_id_and_kind(child_index)
      .                                       {
      .                                           let ctor_res =
      .                                               Res::Def(DefKind::Ctor(CtorOf::Struct, ctor_kind), ctor_def_id);
      .                                           let vis = self.get_visibility(ctor_def_id.index);
      .                                           callback(ModChild { ident, res: ctor_res, vis, span });
      .                                       }
      .                                   }
      .                                   DefKind::Variant => {
      .                                       // Braced variants, unlike structs, generate unusable names in
      .                                       // value namespace, they are reserved for possible future use.
      .                                       // It's ok to use the variant's id as a ctor id since an
      .                                       // error will be reported on any use of such resolution anyway.
     21 ( 0.00%)                              let (ctor_def_id, ctor_kind) = self
      .                                           .get_ctor_def_id_and_kind(child_index)
      .                                           .unwrap_or((def_id, CtorKind::Fictive));
      .                                       let ctor_res =
      .                                           Res::Def(DefKind::Ctor(CtorOf::Variant, ctor_kind), ctor_def_id);
      .                                       let mut vis = self.get_visibility(ctor_def_id.index);
      7 ( 0.00%)                              if ctor_def_id == def_id && vis.is_public() {
      .                                           // For non-exhaustive variants lower the constructor visibility to
      .                                           // within the crate. We only need this for fictive constructors,
      .                                           // for other constructors correct visibilities
      .                                           // were already encoded in metadata.
      .                                           let mut attrs = self.get_item_attrs(def_id.index, sess);
      .                                           if attrs.any(|item| item.has_name(sym::non_exhaustive)) {
      .                                               let crate_def_id = self.local_def_id(CRATE_DEF_INDEX);
      .                                               vis = ty::Visibility::Restricted(crate_def_id);
-- line 1141 ----------------------------------------
-- line 1144 ----------------------------------------
      .                                       callback(ModChild { ident, res: ctor_res, vis, span });
      .                                   }
      .                                   _ => {}
      .                               }
      .                           }
      .                       }
      .                   }
      .           
    527 ( 0.00%)          match self.kind(id) {
     48 ( 0.00%)              EntryKind::Mod(exports) => {
 11,222 ( 0.00%)                  for exp in exports.decode((self, sess)) {
      .                               callback(exp);
      .                           }
      .                       }
      .                       EntryKind::Enum(..) | EntryKind::Trait(..) => {}
      .                       _ => bug!("`for_each_module_child` is called on a non-module: {:?}", self.def_kind(id)),
      .                   }
      .               }
      .           
      .               fn is_ctfe_mir_available(self, id: DefIndex) -> bool {
     16 ( 0.00%)          self.root.tables.mir_for_ctfe.get(self, id).is_some()
      .               }
      .           
      .               fn is_item_mir_available(self, id: DefIndex) -> bool {
    288 ( 0.00%)          self.root.tables.mir.get(self, id).is_some()
      .               }
      .           
      .               fn module_expansion(self, id: DefIndex, sess: &Session) -> ExpnId {
  2,275 ( 0.00%)          match self.kind(id) {
      .                       EntryKind::Mod(_) | EntryKind::Enum(_) | EntryKind::Trait(_) => {
      .                           self.get_expn_that_defined(id, sess)
      .                       }
      .                       _ => panic!("Expected module, found {:?}", self.local_def_id(id)),
      .                   }
      .               }
      .           
      .               fn get_optimized_mir(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> Body<'tcx> {
    360 ( 0.00%)          self.root
      .                       .tables
      .                       .mir
      .                       .get(self, id)
      .                       .unwrap_or_else(|| {
      .                           bug!("get_optimized_mir: missing MIR for `{:?}`", self.local_def_id(id))
      .                       })
      .                       .decode((self, tcx))
      .               }
      .           
      .               fn get_mir_for_ctfe(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> Body<'tcx> {
     20 ( 0.00%)          self.root
      .                       .tables
      .                       .mir_for_ctfe
      .                       .get(self, id)
      .                       .unwrap_or_else(|| {
      .                           bug!("get_mir_for_ctfe: missing MIR for `{:?}`", self.local_def_id(id))
      .                       })
      .                       .decode((self, tcx))
      .               }
-- line 1200 ----------------------------------------
-- line 1216 ----------------------------------------
      .                       .tables
      .                       .unused_generic_params
      .                       .get(self, id)
      .                       .map(|params| params.decode(self))
      .                       .unwrap_or_default()
      .               }
      .           
      .               fn get_promoted_mir(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> IndexVec<Promoted, Body<'tcx>> {
     10 ( 0.00%)          self.root
      .                       .tables
      .                       .promoted_mir
      .                       .get(self, id)
      .                       .unwrap_or_else(|| {
      .                           bug!("get_promoted_mir: missing MIR for `{:?}`", self.local_def_id(id))
      .                       })
      .                       .decode((self, tcx))
      .               }
-- line 1232 ----------------------------------------
-- line 1242 ----------------------------------------
      .                           qualif,
      .                           _,
      .                       ) => qualif,
      .                       _ => bug!("mir_const_qualif: unexpected kind"),
      .                   }
      .               }
      .           
      .               fn get_fn_has_self_parameter(self, id: DefIndex) -> bool {
    550 ( 0.00%)          match self.kind(id) {
    440 ( 0.00%)              EntryKind::AssocFn(data) => data.decode(self).has_self,
      .                       _ => false,
      .                   }
      .               }
      .           
      .               fn get_associated_item_def_ids(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> &'tcx [DefId] {
    889 ( 0.00%)          if let Some(children) = self.root.tables.children.get(self, id) {
    381 ( 0.00%)              tcx.arena.alloc_from_iter(
    127 ( 0.00%)                  children.decode((self, tcx.sess)).map(|child_index| self.local_def_id(child_index)),
      .                       )
      .                   } else {
      .                       &[]
      .                   }
      .               }
      .           
 11,280 ( 0.00%)      fn get_associated_item(self, id: DefIndex, sess: &Session) -> ty::AssocItem {
  6,580 ( 0.00%)          let def_key = self.def_key(id);
      .                   let parent = self.local_def_id(def_key.parent.unwrap());
      .                   let ident = self.item_ident(id, sess);
      .           
  6,618 ( 0.00%)          let (kind, container, has_self) = match self.kind(id) {
     12 ( 0.00%)              EntryKind::AssocConst(container, _, _) => (ty::AssocKind::Const, container, false),
    924 ( 0.00%)              EntryKind::AssocFn(data) => {
      .                           let data = data.decode(self);
  6,468 ( 0.00%)                  (ty::AssocKind::Fn, data.container, data.has_self)
      .                       }
     26 ( 0.00%)              EntryKind::AssocType(container) => (ty::AssocKind::Type, container, false),
      .                       _ => bug!("cannot get associated-item of `{:?}`", def_key),
      .                   };
      .           
 16,920 ( 0.00%)          ty::AssocItem {
      .                       name: ident.name,
      .                       kind,
      .                       vis: self.get_visibility(id),
      .                       defaultness: container.defaultness(),
      .                       def_id: self.local_def_id(id),
      .                       trait_item_def_id: self.get_trait_item_def_id(id),
      .                       container: container.with_def_id(parent),
      .                       fn_has_self_parameter: has_self,
      .                   }
  8,460 ( 0.00%)      }
      .           
      .               fn get_item_variances(self, id: DefIndex) -> impl Iterator<Item = ty::Variance> + 'a {
    155 ( 0.00%)          self.root.tables.variances.get(self, id).unwrap_or_else(Lazy::empty).decode(self)
      .               }
      .           
      .               fn get_ctor_def_id_and_kind(self, node_id: DefIndex) -> Option<(DefId, CtorKind)> {
  1,371 ( 0.00%)          match self.kind(node_id) {
      .                       EntryKind::Struct(data, _) | EntryKind::Variant(data) => {
    590 ( 0.00%)                  let vdata = data.decode(self);
    436 ( 0.00%)                  vdata.ctor.map(|index| (self.local_def_id(index), vdata.ctor_kind))
      .                       }
      .                       _ => None,
      .                   }
    772 ( 0.00%)      }
      .           
    324 ( 0.00%)      fn get_item_attrs(
      .                   self,
      .                   id: DefIndex,
      .                   sess: &'a Session,
      .               ) -> impl Iterator<Item = ast::Attribute> + 'a {
  1,041 ( 0.00%)          self.root
      .                       .tables
      .                       .attributes
      .                       .get(self, id)
      .                       .unwrap_or_else(|| {
      .                           // Structure and variant constructors don't have any attributes encoded for them,
      .                           // but we assume that someone passing a constructor ID actually wants to look at
      .                           // the attributes on the corresponding struct or variant.
      .                           let def_key = self.def_key(id);
-- line 1320 ----------------------------------------
-- line 1322 ----------------------------------------
      .                           let parent_id = def_key.parent.expect("no parent for a constructor");
      .                           self.root
      .                               .tables
      .                               .attributes
      .                               .get(self, parent_id)
      .                               .expect("no encoded attributes for a structure or variant")
      .                       })
      .                       .decode((self, sess))
    243 ( 0.00%)      }
      .           
      .               fn get_struct_field_names(
      .                   self,
      .                   id: DefIndex,
      .                   sess: &'a Session,
      .               ) -> impl Iterator<Item = Spanned<Symbol>> + 'a {
    750 ( 0.00%)          self.root
      .                       .tables
      .                       .children
      .                       .get(self, id)
      .                       .unwrap_or_else(Lazy::empty)
      .                       .decode(self)
  3,500 ( 0.00%)              .map(move |index| respan(self.get_span(index, sess), self.item_ident(index, sess).name))
      .               }
      .           
      .               fn get_struct_field_visibilities(self, id: DefIndex) -> impl Iterator<Item = Visibility> + 'a {
    235 ( 0.00%)          self.root
      .                       .tables
      .                       .children
      .                       .get(self, id)
      .                       .unwrap_or_else(Lazy::empty)
      .                       .decode(self)
    282 ( 0.00%)              .map(move |field_index| self.get_visibility(field_index))
      .               }
      .           
      .               fn get_inherent_implementations_for_type(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   id: DefIndex,
      .               ) -> &'tcx [DefId] {
     80 ( 0.00%)          tcx.arena.alloc_from_iter(
    100 ( 0.00%)              self.root
      .                           .tables
      .                           .inherent_impls
      .                           .get(self, id)
      .                           .unwrap_or_else(Lazy::empty)
      .                           .decode(self)
  1,010 ( 0.00%)                  .map(|index| self.local_def_id(index)),
      .                   )
      .               }
      .           
      .               fn get_traits(self) -> impl Iterator<Item = DefId> + 'a {
      .                   self.root.traits.decode(self).map(move |index| self.local_def_id(index))
      .               }
      .           
      .               fn get_trait_impls(self) -> impl Iterator<Item = (DefId, DefId, Option<SimplifiedType>)> + 'a {
-- line 1376 ----------------------------------------
-- line 1380 ----------------------------------------
      .                           index: *trait_index,
      .                       };
      .                       impls.decode(self).map(move |(impl_index, simplified_self_ty)| {
      .                           (trait_def_id, self.local_def_id(impl_index), simplified_self_ty)
      .                       })
      .                   })
      .               }
      .           
    972 ( 0.00%)      fn get_implementations_of_trait(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   trait_def_id: DefId,
      .               ) -> &'tcx [(DefId, Option<SimplifiedType>)] {
    108 ( 0.00%)          if self.trait_impls.is_empty() {
      .                       return &[];
      .                   }
      .           
      .                   // Do a reverse lookup beforehand to avoid touching the crate_num
      .                   // hash map in the loop below.
    162 ( 0.00%)          let key = match self.reverse_translate_def_id(trait_def_id) {
      .                       Some(def_id) => (def_id.krate.as_u32(), def_id.index),
      .                       None => return &[],
      .                   };
      .           
      .                   if let Some(impls) = self.trait_impls.get(&key) {
    200 ( 0.00%)              tcx.arena.alloc_from_iter(
    100 ( 0.00%)                  impls
      .                               .decode(self)
  2,799 ( 0.00%)                      .map(|(idx, simplified_self_ty)| (self.local_def_id(idx), simplified_self_ty)),
      .                       )
      .                   } else {
      .                       &[]
      .                   }
    864 ( 0.00%)      }
      .           
      .               fn get_trait_of_item(self, id: DefIndex) -> Option<DefId> {
    404 ( 0.00%)          let def_key = self.def_key(id);
    505 ( 0.00%)          match def_key.disambiguated_data.data {
      .                       DefPathData::TypeNs(..) | DefPathData::ValueNs(..) => (),
      .                       // Not an associated item
      .                       _ => return None,
      .                   }
    909 ( 0.00%)          def_key.parent.and_then(|parent_index| match self.kind(parent_index) {
      .                       EntryKind::Trait(_) | EntryKind::TraitAlias => Some(self.local_def_id(parent_index)),
      .                       _ => None,
      .                   })
      .               }
      .           
      .               fn get_native_libraries(self, sess: &'a Session) -> impl Iterator<Item = NativeLib> + 'a {
      8 ( 0.00%)          self.root.native_libraries.decode((self, sess))
      .               }
      .           
      .               fn get_proc_macro_quoted_span(self, index: usize, sess: &Session) -> Span {
      .                   self.root
      .                       .tables
      .                       .proc_macro_quoted_spans
      .                       .get(self, index)
      .                       .unwrap_or_else(|| panic!("Missing proc macro quoted span: {:?}", index))
-- line 1437 ----------------------------------------
-- line 1450 ----------------------------------------
      .                       self.root.dylib_dependency_formats.decode(self).enumerate().flat_map(|(i, link)| {
      .                           let cnum = CrateNum::new(i + 1);
      .                           link.map(|link| (self.cnum_map[cnum], link))
      .                       }),
      .                   )
      .               }
      .           
      .               fn get_missing_lang_items(self, tcx: TyCtxt<'tcx>) -> &'tcx [lang_items::LangItem] {
     20 ( 0.00%)          tcx.arena.alloc_from_iter(self.root.lang_items_missing.decode(self))
      .               }
      .           
      .               fn get_fn_param_names(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> &'tcx [Ident] {
      .                   let param_names = match self.kind(id) {
      .                       EntryKind::Fn(data) | EntryKind::ForeignFn(data) => data.decode(self).param_names,
      .                       EntryKind::AssocFn(data) => data.decode(self).fn_data.param_names,
      .                       _ => Lazy::empty(),
      .                   };
      .                   tcx.arena.alloc_from_iter(param_names.decode((self, tcx)))
      .               }
      .           
      .               fn exported_symbols(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> &'tcx [(ExportedSymbol<'tcx>, SymbolExportLevel)] {
     12 ( 0.00%)          tcx.arena.alloc_from_iter(self.root.exported_symbols.decode((self, tcx)))
      .               }
      .           
      .               fn get_rendered_const(self, id: DefIndex) -> String {
      .                   match self.kind(id) {
      .                       EntryKind::AnonConst(_, data)
      .                       | EntryKind::Const(_, data)
      .                       | EntryKind::AssocConst(_, _, data) => data.decode(self).0,
      .                       _ => bug!(),
      .                   }
      .               }
      .           
      .               fn get_macro(self, id: DefIndex, sess: &Session) -> MacroDef {
     42 ( 0.00%)          match self.kind(id) {
      7 ( 0.00%)              EntryKind::MacroDef(macro_def) => macro_def.decode((self, sess)),
      .                       _ => bug!(),
      .                   }
      .               }
      .           
      .               // This replicates some of the logic of the crate-local `is_const_fn_raw` query, because we
      .               // don't serialize constness for tuple variant and tuple struct constructors.
      .               fn is_const_fn_raw(self, id: DefIndex) -> bool {
     18 ( 0.00%)          let constness = match self.kind(id) {
      4 ( 0.00%)              EntryKind::AssocFn(data) => data.decode(self).fn_data.constness,
      .                       EntryKind::Fn(data) => data.decode(self).constness,
      .                       EntryKind::ForeignFn(data) => data.decode(self).constness,
      .                       EntryKind::Variant(..) | EntryKind::Struct(..) => hir::Constness::Const,
      .                       _ => hir::Constness::NotConst,
      .                   };
      .                   constness == hir::Constness::Const
      .               }
      .           
-- line 1505 ----------------------------------------
-- line 1508 ----------------------------------------
      .                       EntryKind::Fn(data) => data.decode(self).asyncness,
      .                       EntryKind::AssocFn(data) => data.decode(self).fn_data.asyncness,
      .                       EntryKind::ForeignFn(data) => data.decode(self).asyncness,
      .                       _ => bug!("asyncness: expected function kind"),
      .                   }
      .               }
      .           
      .               fn is_foreign_item(self, id: DefIndex) -> bool {
    814 ( 0.00%)          match self.kind(id) {
      .                       EntryKind::ForeignImmStatic | EntryKind::ForeignMutStatic | EntryKind::ForeignFn(_) => {
      .                           true
      .                       }
      .                       _ => false,
      .                   }
      .               }
      .           
      .               fn static_mutability(self, id: DefIndex) -> Option<hir::Mutability> {
     66 ( 0.00%)          match self.kind(id) {
      .                       EntryKind::ImmStatic | EntryKind::ForeignImmStatic => Some(hir::Mutability::Not),
      .                       EntryKind::MutStatic | EntryKind::ForeignMutStatic => Some(hir::Mutability::Mut),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               fn generator_kind(self, id: DefIndex) -> Option<hir::GeneratorKind> {
      .                   match self.kind(id) {
      .                       EntryKind::Generator(data) => Some(data),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               fn fn_sig(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> ty::PolyFnSig<'tcx> {
    580 ( 0.00%)          self.root.tables.fn_sig.get(self, id).unwrap().decode((self, tcx))
      .               }
      .           
      .               #[inline]
 43,624 ( 0.01%)      fn def_key(self, index: DefIndex) -> DefKey {
 12,506 ( 0.00%)          *self
      .                       .def_key_cache
      .                       .lock()
      .                       .entry(index)
 16,500 ( 0.00%)              .or_insert_with(|| self.root.tables.def_keys.get(self, index).unwrap().decode(self))
 49,856 ( 0.01%)      }
      .           
      .               // Returns the path leading to the thing with this `id`.
      .               fn def_path(self, id: DefIndex) -> DefPath {
      .                   debug!("def_path(cnum={:?}, id={:?})", self.cnum, id);
     32 ( 0.00%)          DefPath::make(self.cnum, id, |parent| self.def_key(parent))
      .               }
      .           
      .               fn def_path_hash_unlocked(
      .                   self,
      .                   index: DefIndex,
      .                   def_path_hashes: &mut FxHashMap<DefIndex, DefPathHash>,
      .               ) -> DefPathHash {
  1,830 ( 0.00%)          *def_path_hashes.entry(index).or_insert_with(|| {
  1,350 ( 0.00%)              self.root.tables.def_path_hashes.get(self, index).unwrap().decode(self)
      .                   })
      .               }
      .           
      .               #[inline]
  6,405 ( 0.00%)      fn def_path_hash(self, index: DefIndex) -> DefPathHash {
      .                   let mut def_path_hashes = self.def_path_hash_cache.lock();
      .                   self.def_path_hash_unlocked(index, &mut def_path_hashes)
  7,320 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn def_path_hash_to_def_index(self, hash: DefPathHash) -> DefIndex {
      .                   self.def_path_hash_map.def_path_hash_to_def_index(&hash)
      .               }
      .           
      .               fn expn_hash_to_expn_id(self, sess: &Session, index_guess: u32, hash: ExpnHash) -> ExpnId {
      .                   debug_assert_eq!(ExpnId::from_hash(hash), None);
-- line 1580 ----------------------------------------
-- line 1635 ----------------------------------------
      .               /// Proc macro crates don't currently export spans, so this function does not have
      .               /// to work for them.
      .               fn imported_source_files(self, sess: &Session) -> &'a [ImportedSourceFile] {
      .                   // Translate the virtual `/rustc/$hash` prefix back to a real directory
      .                   // that should hold actual sources, where possible.
      .                   //
      .                   // NOTE: if you update this, you might need to also update bootstrap's code for generating
      .                   // the `rust-src` component in `Src::run` in `src/bootstrap/dist.rs`.
 51,110 ( 0.01%)          let virtual_rust_source_base_dir = option_env!("CFG_VIRTUAL_RUST_SOURCE_BASE_DIR")
      .                       .map(Path::new)
      .                       .filter(|_| {
      .                           // Only spend time on further checks if we have what to translate *to*.
      .                           sess.opts.real_rust_source_base_dir.is_some()
      .                       })
      .                       .filter(|virtual_dir| {
      .                           // Don't translate away `/rustc/$hash` if we're still remapping to it,
      .                           // since that means we're still building `std`/`rustc` that need it,
      .                           // and we don't want the real path to leak into codegen/debuginfo.
      .                           !sess.opts.remap_path_prefix.iter().any(|(_from, to)| to == virtual_dir)
      .                       });
 51,110 ( 0.01%)          let try_to_translate_virtual_to_real = |name: &mut rustc_span::FileName| {
      .                       debug!(
      .                           "try_to_translate_virtual_to_real(name={:?}): \
      .                            virtual_rust_source_base_dir={:?}, real_rust_source_base_dir={:?}",
      .                           name, virtual_rust_source_base_dir, sess.opts.real_rust_source_base_dir,
      .                       );
      .           
  1,840 ( 0.00%)              if let Some(virtual_dir) = virtual_rust_source_base_dir {
      .                           if let Some(real_dir) = &sess.opts.real_rust_source_base_dir {
      .                               if let rustc_span::FileName::Real(old_name) = name {
      .                                   if let rustc_span::RealFileName::Remapped { local_path: _, virtual_name } =
      .                                       old_name
      .                                   {
      .                                       if let Ok(rest) = virtual_name.strip_prefix(virtual_dir) {
      .                                           let virtual_name = virtual_name.clone();
      .           
-- line 1670 ----------------------------------------
-- line 1709 ----------------------------------------
      .                                           *old_name = new_name;
      .                                       }
      .                                   }
      .                               }
      .                           }
      .                       }
      .                   };
      .           
 51,110 ( 0.01%)          self.cdata.source_map_import_info.get_or_init(|| {
     12 ( 0.00%)              let external_source_map = self.root.source_map.decode(self);
      .           
      .                       external_source_map
      .                           .map(|source_file_to_import| {
      .                               // We can't reuse an existing SourceFile, so allocate a new one
      .                               // containing the information we need.
      .                               let rustc_span::SourceFile {
  7,728 ( 0.00%)                          mut name,
  2,208 ( 0.00%)                          src_hash,
    368 ( 0.00%)                          start_pos,
    736 ( 0.00%)                          end_pos,
  1,840 ( 0.00%)                          mut lines,
  1,840 ( 0.00%)                          mut multibyte_chars,
  2,208 ( 0.00%)                          mut non_narrow_chars,
  1,840 ( 0.00%)                          mut normalized_pos,
  2,208 ( 0.00%)                          name_hash,
      .                                   ..
      .                               } = source_file_to_import;
      .           
      .                               // If this file is under $sysroot/lib/rustlib/src/ but has not been remapped
      .                               // during rust bootstrapping by `remap-debuginfo = true`, and the user
      .                               // wish to simulate that behaviour by -Z simulate-remapped-rust-src-base,
      .                               // then we change `name` to a similar state as if the rust was bootstrapped
      .                               // with `remap-debuginfo = true`.
      .                               // This is useful for testing so that tests about the effects of
      .                               // `try_to_translate_virtual_to_real` don't have to worry about how the
      .                               // compiler is bootstrapped.
    736 ( 0.00%)                      if let Some(virtual_dir) =
      .                                   &sess.opts.debugging_opts.simulate_remapped_rust_src_base
      .                               {
      .                                   if let Some(real_dir) = &sess.opts.real_rust_source_base_dir {
      .                                       if let rustc_span::FileName::Real(ref mut old_name) = name {
      .                                           if let rustc_span::RealFileName::LocalPath(local) = old_name {
      .                                               if let Ok(rest) = local.strip_prefix(real_dir) {
      .                                                   *old_name = rustc_span::RealFileName::Remapped {
      .                                                       local_path: None,
-- line 1753 ----------------------------------------
-- line 1767 ----------------------------------------
      .                               let source_length = (end_pos - start_pos).to_usize();
      .           
      .                               // Translate line-start positions and multibyte character
      .                               // position into frame of reference local to file.
      .                               // `SourceMap::new_imported_source_file()` will then translate those
      .                               // coordinates to their new global frame of reference when the
      .                               // offset of the SourceFile is known.
      .                               for pos in &mut lines {
545,890 ( 0.09%)                          *pos = *pos - start_pos;
      .                               }
      .                               for mbc in &mut multibyte_chars {
  1,372 ( 0.00%)                          mbc.pos = mbc.pos - start_pos;
      .                               }
      .                               for swc in &mut non_narrow_chars {
    882 ( 0.00%)                          *swc = *swc - start_pos;
      .                               }
      .                               for np in &mut normalized_pos {
      .                                   np.pos = np.pos - start_pos;
      .                               }
      .           
  6,624 ( 0.00%)                      let local_version = sess.source_map().new_imported_source_file(
  4,784 ( 0.00%)                          name,
  2,576 ( 0.00%)                          src_hash,
      .                                   name_hash,
      .                                   source_length,
    736 ( 0.00%)                          self.cnum,
  1,840 ( 0.00%)                          lines,
  2,208 ( 0.00%)                          multibyte_chars,
  1,840 ( 0.00%)                          non_narrow_chars,
  1,472 ( 0.00%)                          normalized_pos,
      .                                   start_pos,
      .                                   end_pos,
      .                               );
      .                               debug!(
      .                                   "CrateMetaData::imported_source_files alloc \
      .                                    source_file {:?} original (start_pos {:?} end_pos {:?}) \
      .                                    translated (start_pos {:?} end_pos {:?})",
      .                                   local_version.name,
-- line 1804 ----------------------------------------
-- line 1808 ----------------------------------------
      .                                   local_version.end_pos
      .                               );
      .           
      .                               ImportedSourceFile {
      .                                   original_start_pos: start_pos,
      .                                   original_end_pos: end_pos,
      .                                   translated_source_file: local_version,
      .                               }
  1,104 ( 0.00%)                  })
      .                           .collect()
      .                   })
      .               }
      .           }
      .           
      .           impl CrateMetadata {
     48 ( 0.00%)      crate fn new(
      .                   sess: &Session,
      .                   blob: MetadataBlob,
      .                   root: CrateRoot<'static>,
      .                   raw_proc_macros: Option<&'static [ProcMacro]>,
      .                   cnum: CrateNum,
      .                   cnum_map: CrateNumMap,
      .                   dep_kind: CrateDepKind,
      .                   source: CrateSource,
      .                   private_dep: bool,
      .                   host_hash: Option<Svh>,
      .               ) -> CrateMetadata {
     12 ( 0.00%)          let trait_impls = root
      .                       .impls
      .                       .decode((&blob, sess))
      .                       .map(|trait_impls| (trait_impls.trait_id, trait_impls.impls))
      .                       .collect();
      .                   let alloc_decoding_state =
     12 ( 0.00%)              AllocDecodingState::new(root.interpret_alloc_index.decode(&blob).collect());
      .                   let dependencies = Lock::new(cnum_map.iter().cloned().collect());
      .           
      .                   // Pre-decode the DefPathHash->DefIndex table. This is a cheap operation
      .                   // that does not copy any data. It just does some data verification.
      4 ( 0.00%)          let def_path_hash_map = root.def_path_hash_map.decode(&blob);
      .           
     92 ( 0.00%)          CrateMetadata {
      4 ( 0.00%)              blob,
     12 ( 0.00%)              root,
     16 ( 0.00%)              trait_impls,
      .                       raw_proc_macros,
      .                       source_map_import_info: OnceCell::new(),
     16 ( 0.00%)              def_path_hash_map,
      .                       expn_hash_map: Default::default(),
     28 ( 0.00%)              alloc_decoding_state,
      .                       cnum,
     16 ( 0.00%)              cnum_map,
     20 ( 0.00%)              dependencies,
      .                       dep_kind: Lock::new(dep_kind),
     48 ( 0.00%)              source,
      .                       private_dep,
      .                       host_hash,
      .                       extern_crate: Lock::new(None),
      .                       hygiene_context: Default::default(),
      .                       def_key_cache: Default::default(),
      .                       def_path_hash_cache: Default::default(),
      .                   }
     36 ( 0.00%)      }
      .           
      .               crate fn dependencies(&self) -> LockGuard<'_, Vec<CrateNum>> {
      .                   self.dependencies.borrow()
      .               }
      .           
      .               crate fn add_dependency(&self, cnum: CrateNum) {
      .                   self.dependencies.borrow_mut().push(cnum);
      .               }
      .           
      .               crate fn update_extern_crate(&self, new_extern_crate: ExternCrate) -> bool {
      .                   let mut extern_crate = self.extern_crate.borrow_mut();
      .                   let update = Some(new_extern_crate.rank()) > extern_crate.as_ref().map(ExternCrate::rank);
      .                   if update {
     20 ( 0.00%)              *extern_crate = Some(new_extern_crate);
      .                   }
      .                   update
      .               }
      .           
      .               crate fn source(&self) -> &CrateSource {
    232 ( 0.00%)          &self.source
      .               }
      .           
      .               crate fn dep_kind(&self) -> CrateDepKind {
      .                   *self.dep_kind.lock()
      .               }
      .           
      .               crate fn update_dep_kind(&self, f: impl FnOnce(CrateDepKind) -> CrateDepKind) {
     63 ( 0.00%)          self.dep_kind.with_lock(|dep_kind| *dep_kind = f(*dep_kind))
      .               }
      .           
      .               crate fn panic_strategy(&self) -> PanicStrategy {
      .                   self.root.panic_strategy
      .               }
      .           
      .               crate fn needs_panic_runtime(&self) -> bool {
      .                   self.root.needs_panic_runtime
-- line 1905 ----------------------------------------
-- line 1909 ----------------------------------------
      .                   self.root.panic_runtime
      .               }
      .           
      .               crate fn is_profiler_runtime(&self) -> bool {
      .                   self.root.profiler_runtime
      .               }
      .           
      .               crate fn needs_allocator(&self) -> bool {
      4 ( 0.00%)          self.root.needs_allocator
      .               }
      .           
      .               crate fn has_global_allocator(&self) -> bool {
      .                   self.root.has_global_allocator
      .               }
      .           
      .               crate fn has_default_lib_allocator(&self) -> bool {
      .                   self.root.has_default_lib_allocator
      .               }
      .           
      .               crate fn is_proc_macro_crate(&self) -> bool {
      .                   self.root.is_proc_macro_crate()
      .               }
      .           
      .               crate fn name(&self) -> Symbol {
     62 ( 0.00%)          self.root.name
      .               }
      .           
      .               crate fn stable_crate_id(&self) -> StableCrateId {
      .                   self.root.stable_crate_id
      .               }
      .           
      .               crate fn hash(&self) -> Svh {
      .                   self.root.hash
      .               }
      .           
      .               fn num_def_ids(&self) -> usize {
      .                   self.root.tables.def_keys.size()
      .               }
      .           
      .               fn local_def_id(&self, index: DefIndex) -> DefId {
  9,533 ( 0.00%)          DefId { krate: self.cnum, index }
      .               }
      .           
      .               // Translate a DefId from the current compilation environment to a DefId
      .               // for an external crate.
      .               fn reverse_translate_def_id(&self, did: DefId) -> Option<DefId> {
      .                   for (local, &global) in self.cnum_map.iter_enumerated() {
    243 ( 0.00%)              if global == did.krate {
      .                           return Some(DefId { krate: local, index: did.index });
      .                       }
      .                   }
      .           
      .                   None
      .               }
      .           }
      .           
-- line 1964 ----------------------------------------

489,041 ( 0.08%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-hash-1.1.0/src/lib.rs
--------------------------------------------------------------------------------
Ir               

-- line 71 ----------------------------------------
      .               fn default() -> FxHasher {
      .                   FxHasher { hash: 0 }
      .               }
      .           }
      .           
      .           impl FxHasher {
      .               #[inline]
      .               fn add_to_hash(&mut self, i: usize) {
181,891 ( 0.03%)          self.hash = self.hash.rotate_left(5).bitxor(i).wrapping_mul(K);
      .               }
      .           }
      .           
      .           impl Hasher for FxHasher {
      .               #[inline]
  1,458 ( 0.00%)      fn write(&mut self, mut bytes: &[u8]) {
      .                   #[cfg(target_pointer_width = "32")]
      .                   let read_usize = |bytes: &[u8]| u32::from_ne_bytes(bytes[..4].try_into().unwrap());
      .                   #[cfg(target_pointer_width = "64")]
      .                   let read_usize = |bytes: &[u8]| u64::from_ne_bytes(bytes[..8].try_into().unwrap());
      .           
 46,753 ( 0.01%)          let mut hash = FxHasher { hash: self.hash };
      .                   assert!(size_of::<usize>() <= 8);
744,353 ( 0.13%)          while bytes.len() >= size_of::<usize>() {
      .                       hash.add_to_hash(read_usize(bytes) as usize);
      .                       bytes = &bytes[size_of::<usize>()..];
      .                   }
 94,364 ( 0.02%)          if (size_of::<usize>() > 4) && (bytes.len() >= 4) {
      .                       hash.add_to_hash(u32::from_ne_bytes(bytes[..4].try_into().unwrap()) as usize);
      .                       bytes = &bytes[4..];
      .                   }
 94,364 ( 0.02%)          if (size_of::<usize>() > 2) && bytes.len() >= 2 {
      .                       hash.add_to_hash(u16::from_ne_bytes(bytes[..2].try_into().unwrap()) as usize);
      .                       bytes = &bytes[2..];
      .                   }
105,549 ( 0.02%)          if (size_of::<usize>() > 1) && bytes.len() >= 1 {
 23,264 ( 0.00%)              hash.add_to_hash(bytes[0] as usize);
      .                   }
  1,636 ( 0.00%)          self.hash = hash.hash;
  1,458 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn write_u8(&mut self, i: u8) {
    141 ( 0.00%)          self.add_to_hash(i as usize);
      .               }
      .           
      .               #[inline]
      .               fn write_u16(&mut self, i: u16) {
    300 ( 0.00%)          self.add_to_hash(i as usize);
      .               }
      .           
      .               #[inline]
      .               fn write_u32(&mut self, i: u32) {
286,239 ( 0.05%)          self.add_to_hash(i as usize);
      .               }
      .           
      .               #[cfg(target_pointer_width = "32")]
      .               #[inline]
      .               fn write_u64(&mut self, i: u64) {
      .                   self.add_to_hash(i as usize);
      .                   self.add_to_hash((i >> 32) as usize);
      .               }
-- line 131 ----------------------------------------

    900 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-hash-1.1.0/src/lib.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_resolve/src/imports.rs
--------------------------------------------------------------------------------
Ir               

-- line 109 ----------------------------------------
      .               /// The resolution of `module_path`.
      .               pub imported_module: Cell<Option<ModuleOrUniformRoot<'a>>>,
      .               pub vis: Cell<ty::Visibility>,
      .               pub used: Cell<bool>,
      .           }
      .           
      .           impl<'a> Import<'a> {
      .               pub fn is_glob(&self) -> bool {
 39,907 ( 0.01%)          matches!(self.kind, ImportKind::Glob { .. })
      .               }
      .           
      .               pub fn is_nested(&self) -> bool {
      .                   match self.kind {
      .                       ImportKind::Single { nested, .. } => nested,
      .                       _ => false,
      .                   }
      .               }
      .           
      .               crate fn crate_lint(&self) -> CrateLint {
     98 ( 0.00%)          CrateLint::UsePath { root_id: self.root_id, root_span: self.root_span }
    174 ( 0.00%)      }
      .           }
      .           
 33,879 ( 0.01%)  #[derive(Clone, Default, Debug)]
      .           /// Records information about the resolution of a name in a namespace of a module.
      .           pub struct NameResolution<'a> {
      .               /// Single imports that may define the name in the namespace.
      .               /// Imports are arena-allocated, so it's ok to use pointers as keys.
      .               single_imports: FxHashSet<PtrKey<'a, Import<'a>>>,
      .               /// The least shadowable known binding for this name, or None if there are no known bindings.
      .               pub binding: Option<&'a NameBinding<'a>>,
      .               shadowed_glob: Option<&'a NameBinding<'a>>,
      .           }
      .           
      .           impl<'a> NameResolution<'a> {
      .               // Returns the binding for the name if it is known or None if it not known.
      .               pub(crate) fn binding(&self) -> Option<&'a NameBinding<'a>> {
 26,119 ( 0.00%)          self.binding.and_then(|binding| {
 29,918 ( 0.01%)              if !binding.is_glob_import() || self.single_imports.is_empty() {
      .                           Some(binding)
      .                       } else {
      .                           None
      .                       }
      .                   })
      .               }
      .           
      .               crate fn add_single_import(&mut self, import: &'a Import<'a>) {
-- line 155 ----------------------------------------
-- line 177 ----------------------------------------
      .                   &mut self,
      .                   module: ModuleOrUniformRoot<'a>,
      .                   ident: Ident,
      .                   ns: Namespace,
      .                   parent_scope: &ParentScope<'a>,
      .                   record_used: bool,
      .                   path_span: Span,
      .               ) -> Result<&'a NameBinding<'a>, Determinacy> {
  2,645 ( 0.00%)          self.resolve_ident_in_module_unadjusted_ext(
      .                       module,
      .                       ident,
      .                       ns,
      .                       parent_scope,
      .                       false,
      .                       record_used,
      .                       path_span,
      .                   )
      .                   .map_err(|(determinacy, _)| determinacy)
      .               }
      .           
      .               /// Attempts to resolve `ident` in namespaces `ns` of `module`.
      .               /// Invariant: if `record_used` is `Some`, expansion and import resolution must be complete.
 27,426 ( 0.00%)      crate fn resolve_ident_in_module_unadjusted_ext(
      .                   &mut self,
      .                   module: ModuleOrUniformRoot<'a>,
      .                   ident: Ident,
      .                   ns: Namespace,
      .                   parent_scope: &ParentScope<'a>,
      .                   restricted_shadowing: bool,
      .                   record_used: bool,
      .                   path_span: Span,
-- line 207 ----------------------------------------
-- line 259 ----------------------------------------
      .                               path_span,
      .                           );
      .                           return binding.map_err(|determinacy| (determinacy, Weak::No));
      .                       }
      .                   };
      .           
      .                   let key = self.new_key(ident, ns);
      .                   let resolution =
 10,448 ( 0.00%)              self.resolution(module, key).try_borrow_mut().map_err(|_| (Determined, Weak::No))?; // This happens when there is a cycle of imports.
      .           
  5,200 ( 0.00%)          if let Some(binding) = resolution.binding {
    632 ( 0.00%)              if !restricted_shadowing && binding.expansion != LocalExpnId::ROOT {
    100 ( 0.00%)                  if let NameBindingKind::Res(_, true) = binding.kind {
      .                               self.macro_expanded_macro_export_errors.insert((path_span, binding.span));
      .                           }
      .                       }
      .                   }
      .           
  5,224 ( 0.00%)          let check_usable = |this: &mut Self, binding: &'a NameBinding<'a>| {
    750 ( 0.00%)              if let Some(unusable_binding) = this.unusable_binding {
      .                           if ptr::eq(binding, unusable_binding) {
      .                               return Err((Determined, Weak::No));
      .                           }
      .                       }
    411 ( 0.00%)              let usable = this.is_accessible_from(binding.vis, parent_scope.module);
    428 ( 0.00%)              if usable { Ok(binding) } else { Err((Determined, Weak::No)) }
      .                   };
      .           
  2,612 ( 0.00%)          if record_used {
  1,536 ( 0.00%)              return resolution
      .                           .binding
      .                           .and_then(|binding| {
      .                               // If the primary binding is unusable, search further and return the shadowed glob
      .                               // binding if it exists. What we really want here is having two separate scopes in
      .                               // a module - one for non-globs and one for globs, but until that's done use this
      .                               // hack to avoid inconsistent resolution ICEs during import validation.
  2,685 ( 0.00%)                      if let Some(unusable_binding) = self.unusable_binding {
      .                                   if ptr::eq(binding, unusable_binding) {
      .                                       return resolution.shadowed_glob;
      .                                   }
      .                               }
      .                               Some(binding)
      .                           })
      .                           .ok_or((Determined, Weak::No))
      .                           .and_then(|binding| {
  1,122 ( 0.00%)                      if self.last_import_segment && check_usable(self, binding).is_err() {
      .                                   Err((Determined, Weak::No))
      .                               } else {
  3,180 ( 0.00%)                          self.record_use(ident, binding, restricted_shadowing);
      .           
  1,590 ( 0.00%)                          if let Some(shadowed_glob) = resolution.shadowed_glob {
      .                                       // Forbid expanded shadowing to avoid time travel.
      .                                       if restricted_shadowing
      .                                           && binding.expansion != LocalExpnId::ROOT
      .                                           && binding.res() != shadowed_glob.res()
      .                                       {
      .                                           self.ambiguity_errors.push(AmbiguityError {
      .                                               kind: AmbiguityKind::GlobVsExpanded,
      .                                               ident,
-- line 317 ----------------------------------------
-- line 318 ----------------------------------------
      .                                               b1: binding,
      .                                               b2: shadowed_glob,
      .                                               misc1: AmbiguityErrorMisc::None,
      .                                               misc2: AmbiguityErrorMisc::None,
      .                                           });
      .                                       }
      .                                   }
      .           
  2,650 ( 0.00%)                          if !self.is_accessible_from(binding.vis, parent_scope.module) {
      .                                       self.privacy_errors.push(PrivacyError {
      .                                           ident,
      .                                           binding,
      .                                           dedup_span: path_span,
      .                                       });
      .                                   }
      .           
      .                                   Ok(binding)
      .                               }
      .                           });
      .                   }
      .           
      .                   // Items and single imports are not shadowable, if we have one, then it's determined.
  1,614 ( 0.00%)          if let Some(binding) = resolution.binding {
      9 ( 0.00%)              if !binding.is_glob_import() {
      .                           return check_usable(self, binding);
      .                       }
      .                   }
      .           
      .                   // --- From now on we either have a glob resolution or no resolution. ---
      .           
      .                   // Check if one of single imports can still define the name,
      .                   // if it can then our result is not determined and can be invalidated.
  4,280 ( 0.00%)          for single_import in &resolution.single_imports {
      .                       if !self.is_accessible_from(single_import.vis.get(), parent_scope.module) {
      .                           continue;
      .                       }
      .                       let module = match single_import.imported_module.get() {
      .                           Some(x) => x,
      .                           None => return Err((Undetermined, Weak::No)),
      .                       };
      .                       let ident = match single_import.kind {
-- line 358 ----------------------------------------
-- line 385 ----------------------------------------
      .                   // Additionally, any macro in any module can plant names in the root module if it creates
      .                   // `macro_export` macros, so the root module effectively has unresolved invocations if any
      .                   // module has unresolved invocations.
      .                   // However, it causes resolution/expansion to stuck too often (#53144), so, to make
      .                   // progress, we have to ignore those potential unresolved invocations from other modules
      .                   // and prohibit access to macro-expanded `macro_export` macros instead (unless restricted
      .                   // shadowing is enabled, see `macro_expanded_macro_export_errors`).
      .                   let unexpanded_macros = !module.unexpanded_invocations.borrow().is_empty();
  2,140 ( 0.00%)          if let Some(binding) = resolution.binding {
      .                       if !unexpanded_macros || ns == MacroNS || restricted_shadowing {
      .                           return check_usable(self, binding);
      .                       } else {
      .                           return Err((Undetermined, Weak::No));
      .                       }
      .                   }
      .           
      .                   // --- From now on we have no resolution. ---
-- line 401 ----------------------------------------
-- line 403 ----------------------------------------
      .                   // Now we are in situation when new item/import can appear only from a glob or a macro
      .                   // expansion. With restricted shadowing names from globs and macro expansions cannot
      .                   // shadow names from outer scopes, so we can freely fallback from module search to search
      .                   // in outer scopes. For `early_resolve_ident_in_lexical_scope` to continue search in outer
      .                   // scopes we return `Undetermined` with `Weak::Yes`.
      .           
      .                   // Check if one of unexpanded macros can still define the name,
      .                   // if it can then our "no resolution" result is not determined and can be invalidated.
    428 ( 0.00%)          if unexpanded_macros {
      .                       return Err((Undetermined, Weak::Yes));
      .                   }
      .           
      .                   // Check if one of glob imports can still define the name,
      .                   // if it can then our "no resolution" result is not determined and can be invalidated.
  1,524 ( 0.00%)          for glob_import in module.globs.borrow().iter() {
      .                       if !self.is_accessible_from(glob_import.vis.get(), parent_scope.module) {
      .                           continue;
      .                       }
      .                       let module = match glob_import.imported_module.get() {
      .                           Some(ModuleOrUniformRoot::Module(module)) => module,
      .                           Some(_) => continue,
      .                           None => return Err((Undetermined, Weak::Yes)),
      .                       };
-- line 425 ----------------------------------------
-- line 452 ----------------------------------------
      .                               continue;
      .                           }
      .                           Ok(_) | Err(Undetermined) => return Err((Undetermined, Weak::Yes)),
      .                       }
      .                   }
      .           
      .                   // No resolution and no one else can define the name - determinate error.
      .                   Err((Determined, Weak::No))
 23,508 ( 0.00%)      }
      .           
      .               // Given a binding and an import that resolves to it,
      .               // return the corresponding binding defined by the import.
100,310 ( 0.02%)      crate fn import(
      .                   &self,
      .                   binding: &'a NameBinding<'a>,
      .                   import: &'a Import<'a>,
      .               ) -> &'a NameBinding<'a> {
100,310 ( 0.02%)          let vis = if binding.vis.is_at_least(import.vis.get(), self)
      .                       || pub_use_of_private_extern_crate_hack(import, binding)
      .                   {
      .                       import.vis.get()
      .                   } else {
      .                       binding.vis
      .                   };
      .           
 30,093 ( 0.01%)          if let ImportKind::Glob { ref max_vis, .. } = import.kind {
 39,860 ( 0.01%)              if vis == import.vis.get() || vis.is_at_least(max_vis.get(), self) {
      .                           max_vis.set(vis)
      .                       }
      .                   }
      .           
 10,031 ( 0.00%)          self.arenas.alloc_name_binding(NameBinding {
      .                       kind: NameBindingKind::Import { binding, import, used: Cell::new(false) },
      .                       ambiguity: None,
 10,031 ( 0.00%)              span: import.span,
      .                       vis,
 10,031 ( 0.00%)              expansion: import.parent_scope.expansion,
      .                   })
 80,248 ( 0.01%)      }
      .           
      .               // Define the name or return the existing binding if there is a collision.
191,292 ( 0.03%)      crate fn try_define(
      .                   &mut self,
      .                   module: Module<'a>,
      .                   key: BindingKey,
      .                   binding: &'a NameBinding<'a>,
      .               ) -> Result<(), &'a NameBinding<'a>> {
      .                   let res = binding.res();
286,938 ( 0.05%)          self.check_reserved_macro_name(key.ident, res);
      .                   self.set_binding_parent_module(binding, module);
 95,646 ( 0.02%)          self.update_resolution(module, key, |this, resolution| {
      .                       if let Some(old_binding) = resolution.binding {
 24,820 ( 0.00%)                  if res == Res::Err {
      .                               // Do not override real bindings with `Res::Err`s from error recovery.
      .                               return Ok(());
      .                           }
  9,928 ( 0.00%)                  match (old_binding.is_glob_import(), binding.is_glob_import()) {
      .                               (true, true) => {
 14,892 ( 0.00%)                          if res != old_binding.res() {
      .                                       resolution.binding = Some(this.ambiguity(
      .                                           AmbiguityKind::GlobVsGlob,
      .                                           old_binding,
      .                                           binding,
      .                                       ));
 39,712 ( 0.01%)                          } else if !old_binding.vis.is_at_least(binding.vis, &*this) {
      .                                       // We are glob-importing the same item but with greater visibility.
      .                                       resolution.binding = Some(binding);
      .                                   }
      .                               }
      .                               (old_glob @ true, false) | (old_glob @ false, true) => {
      .                                   let (glob_binding, nonglob_binding) =
      .                                       if old_glob { (old_binding, binding) } else { (binding, old_binding) };
      .                                   if glob_binding.res() != nonglob_binding.res()
-- line 524 ----------------------------------------
-- line 535 ----------------------------------------
      .                                   }
      .                                   resolution.shadowed_glob = Some(glob_binding);
      .                               }
      .                               (false, false) => {
      .                                   return Err(old_binding);
      .                               }
      .                           }
      .                       } else {
 32,931 ( 0.01%)                  resolution.binding = Some(binding);
      .                       }
      .           
      .                       Ok(())
      .                   })
143,469 ( 0.02%)      }
      .           
      .               fn ambiguity(
      .                   &self,
      .                   kind: AmbiguityKind,
      .                   primary_binding: &'a NameBinding<'a>,
      .                   secondary_binding: &'a NameBinding<'a>,
      .               ) -> &'a NameBinding<'a> {
      .                   self.arenas.alloc_name_binding(NameBinding {
-- line 556 ----------------------------------------
-- line 563 ----------------------------------------
      .               // If the resolution becomes a success, define it in the module's glob importers.
      .               fn update_resolution<T, F>(&mut self, module: Module<'a>, key: BindingKey, f: F) -> T
      .               where
      .                   F: FnOnce(&mut Resolver<'a>, &mut NameResolution<'a>) -> T,
      .               {
      .                   // Ensure that `resolution` isn't borrowed when defining in the module's glob importers,
      .                   // during which the resolution might end up getting re-defined via a glob cycle.
      .                   let (binding, t) = {
255,456 ( 0.04%)              let resolution = &mut *self.resolution(module, key).borrow_mut();
      .                       let old_binding = resolution.binding();
      .           
      .                       let t = f(self, resolution);
      .           
      .                       match resolution.binding() {
      .                           _ if old_binding.is_some() => return t,
      .                           None => return t,
      .                           Some(binding) => match old_binding {
-- line 579 ----------------------------------------
-- line 580 ----------------------------------------
      .                               Some(old_binding) if ptr::eq(old_binding, binding) => return t,
      .                               _ => (binding, t),
      .                           },
      .                       }
      .                   };
      .           
      .                   // Define `binding` in `module`s glob importers.
      .                   for import in module.glob_importers.borrow_mut().iter() {
 19,920 ( 0.00%)              let mut ident = key.ident;
 44,820 ( 0.01%)              let scope = match ident.span.reverse_glob_adjust(module.expansion, import.span) {
      .                           Some(Some(def)) => self.expn_def_scope(def),
  9,960 ( 0.00%)                  Some(None) => import.parent_scope.module,
      .                           None => continue,
      .                       };
  9,960 ( 0.00%)              if self.is_accessible_from(binding.vis, scope) {
 19,864 ( 0.00%)                  let imported_binding = self.import(binding, import);
      .                           let key = BindingKey { ident, ..key };
 74,490 ( 0.01%)                  let _ = self.try_define(import.parent_scope.module, key, imported_binding);
      .                       }
      .                   }
      .           
      .                   t
      .               }
      .           
      .               // Define a "dummy" resolution containing a Res::Err as a placeholder for a
      .               // failed resolution
-- line 605 ----------------------------------------
-- line 643 ----------------------------------------
      .               // This is a fixed-point algorithm. We resolve imports until our efforts
      .               // are stymied by an unresolved import; then we bail out of the current
      .               // module and continue. We terminate successfully once no more imports
      .               // remain or unsuccessfully when no forward progress in resolving imports
      .               // is made.
      .           
      .               /// Resolves all imports for the crate. This method performs the fixed-
      .               /// point iteration.
     16 ( 0.00%)      pub fn resolve_imports(&mut self) {
     10 ( 0.00%)          let mut prev_num_indeterminates = self.r.indeterminate_imports.len() + 1;
     29 ( 0.00%)          while self.r.indeterminate_imports.len() < prev_num_indeterminates {
      .                       prev_num_indeterminates = self.r.indeterminate_imports.len();
     72 ( 0.00%)              for import in mem::take(&mut self.r.indeterminate_imports) {
      .                           match self.resolve_import(&import) {
     33 ( 0.00%)                      true => self.r.determined_imports.push(import),
      6 ( 0.00%)                      false => self.r.indeterminate_imports.push(import),
      .                           }
      .                       }
      .                   }
     16 ( 0.00%)      }
      .           
      7 ( 0.00%)      pub fn finalize_imports(&mut self) {
      2 ( 0.00%)          for module in self.r.arenas.local_modules().iter() {
     13 ( 0.00%)              self.finalize_resolutions_in(module);
      .                   }
      .           
      .                   let mut seen_spans = FxHashSet::default();
      .                   let mut errors = vec![];
      .                   let mut prev_root_id: NodeId = NodeId::from_u32(0);
      1 ( 0.00%)          let determined_imports = mem::take(&mut self.r.determined_imports);
      1 ( 0.00%)          let indeterminate_imports = mem::take(&mut self.r.indeterminate_imports);
      .           
     12 ( 0.00%)          for (is_indeterminate, import) in determined_imports
      .                       .into_iter()
      .                       .map(|i| (false, i))
      .                       .chain(indeterminate_imports.into_iter().map(|i| (true, i)))
      .                   {
    180 ( 0.00%)              if let Some(err) = self.finalize_import(import) {
      .                           if let ImportKind::Single { source, ref source_bindings, .. } = import.kind {
      .                               if source.name == kw::SelfLower {
      .                                   // Silence `unresolved import` error if E0429 is already emitted
      .                                   if let Err(Determined) = source_bindings.value_ns.get() {
      .                                       continue;
      .                                   }
      .                               }
      .                           }
-- line 688 ----------------------------------------
-- line 703 ----------------------------------------
      .                               let path = import_path_to_string(
      .                                   &import.module_path.iter().map(|seg| seg.ident).collect::<Vec<_>>(),
      .                                   &import.kind,
      .                                   err.span,
      .                               );
      .                               errors.push((path, err));
      .                               prev_root_id = import.root_id;
      .                           }
     60 ( 0.00%)              } else if is_indeterminate {
      .                           // Consider erroneous imports used to avoid duplicate diagnostics.
      .                           self.r.used_imports.insert(import.id);
      .                           let path = import_path_to_string(
      .                               &import.module_path.iter().map(|seg| seg.ident).collect::<Vec<_>>(),
      .                               &import.kind,
      .                               import.span,
      .                           );
      .                           let err = UnresolvedImportError {
-- line 719 ----------------------------------------
-- line 721 ----------------------------------------
      .                               label: None,
      .                               note: Vec::new(),
      .                               suggestion: None,
      .                           };
      .                           errors.push((path, err));
      .                       }
      .                   }
      .           
      1 ( 0.00%)          if !errors.is_empty() {
      .                       self.throw_unresolved_import_error(errors, None);
      .                   }
      8 ( 0.00%)      }
      .           
      .               fn throw_unresolved_import_error(
      .                   &self,
      .                   errors: Vec<(String, UnresolvedImportError)>,
      .                   span: Option<MultiSpan>,
      .               ) {
      .                   /// Upper limit on the number of `span_label` messages.
      .                   const MAX_LABEL_COUNT: usize = 10;
-- line 740 ----------------------------------------
-- line 776 ----------------------------------------
      .               /// If successful, the resolved bindings are written into the module.
      .               fn resolve_import(&mut self, import: &'b Import<'b>) -> bool {
      .                   debug!(
      .                       "(resolving import for module) resolving import `{}::...` in `{}`",
      .                       Segment::names_to_string(&import.module_path),
      .                       module_to_string(import.parent_scope.module).unwrap_or_else(|| "???".to_string()),
      .                   );
      .           
    114 ( 0.00%)          let module = if let Some(module) = import.imported_module.get() {
     12 ( 0.00%)              module
      .                   } else {
      .                       // For better failure detection, pretend that the import will
      .                       // not define any names while resolving its module path.
      .                       let orig_vis = import.vis.replace(ty::Visibility::Invisible);
      .                       let path_res = self.r.resolve_path(
      .                           &import.module_path,
      .                           None,
     30 ( 0.00%)                  &import.parent_scope,
      .                           false,
      .                           import.span,
      .                           import.crate_lint(),
      .                       );
      .                       import.vis.set(orig_vis);
      .           
    210 ( 0.00%)              match path_res {
    150 ( 0.00%)                  PathResult::Module(module) => module,
      .                           PathResult::Indeterminate => return false,
      .                           PathResult::NonModule(..) | PathResult::Failed { .. } => return true,
      .                       }
      .                   };
      .           
      .                   import.imported_module.set(Some(module));
    411 ( 0.00%)          let (source, target, source_bindings, target_bindings, type_ns_only) = match import.kind {
      .                       ImportKind::Single {
      .                           source,
      .                           target,
     33 ( 0.00%)                  ref source_bindings,
     33 ( 0.00%)                  ref target_bindings,
     33 ( 0.00%)                  type_ns_only,
      .                           ..
      .                       } => (source, target, source_bindings, target_bindings, type_ns_only),
      .                       ImportKind::Glob { .. } => {
      .                           self.resolve_glob_import(import);
      .                           return true;
      .                       }
      .                       _ => unreachable!(),
      .                   };
      .           
     33 ( 0.00%)          let mut indeterminate = false;
  1,419 ( 0.00%)          self.r.per_ns(|this, ns| {
    303 ( 0.00%)              if !type_ns_only || ns == TypeNS {
    394 ( 0.00%)                  if let Err(Undetermined) = source_bindings[ns].get() {
      .                               // For better failure detection, pretend that the import will
      .                               // not define any names while resolving its module path.
     91 ( 0.00%)                      let orig_vis = import.vis.replace(ty::Visibility::Invisible);
      .                               let binding = this.resolve_ident_in_module(
    273 ( 0.00%)                          module,
    273 ( 0.00%)                          source,
      .                                   ns,
     91 ( 0.00%)                          &import.parent_scope,
      .                                   false,
     91 ( 0.00%)                          import.span,
      .                               );
      .                               import.vis.set(orig_vis);
      .                               source_bindings[ns].set(binding);
      .                           } else {
      .                               return;
      .                           };
      .           
     91 ( 0.00%)                  let parent = import.parent_scope.module;
    215 ( 0.00%)                  match source_bindings[ns].get() {
     36 ( 0.00%)                      Err(Undetermined) => indeterminate = true,
      .                               // Don't update the resolution, because it was never added.
    100 ( 0.00%)                      Err(Determined) if target.name == kw::Underscore => {}
      .                               Err(Determined) => {
    100 ( 0.00%)                          let key = this.new_key(target, ns);
      .                                   this.update_resolution(parent, key, |_, resolution| {
    100 ( 0.00%)                              resolution.single_imports.remove(&PtrKey(import));
      .                                   });
      .                               }
      .                               Ok(binding) if !binding.is_importable() => {
      .                                   let msg = format!("`{}` is not directly importable", target);
      .                                   struct_span_err!(this.session, import.span, E0253, "{}", &msg)
      .                                       .span_label(import.span, "cannot be imported directly")
      .                                       .emit();
      .                                   // Do not import this illegal binding. Import a dummy binding and pretend
      .                                   // everything is fine
      .                                   this.import_dummy_binding(import);
      .                               }
      .                               Ok(binding) => {
    116 ( 0.00%)                          let imported_binding = this.import(binding, import);
     29 ( 0.00%)                          target_bindings[ns].set(Some(imported_binding));
     87 ( 0.00%)                          this.define(parent, target, ns, imported_binding);
      .                               }
      .                           }
      .                       }
    792 ( 0.00%)          });
      .           
     93 ( 0.00%)          !indeterminate
      .               }
      .           
      .               /// Performs final import resolution, consistency checks and error reporting.
      .               ///
      .               /// Optionally returns an unresolved import error. This error is buffered and used to
      .               /// consolidate multiple unresolved import errors into a single diagnostic.
    300 ( 0.00%)      fn finalize_import(&mut self, import: &'b Import<'b>) -> Option<UnresolvedImportError> {
      .                   let orig_vis = import.vis.replace(ty::Visibility::Invisible);
    120 ( 0.00%)          let orig_unusable_binding = match &import.kind {
      .                       ImportKind::Single { target_bindings, .. } => {
     54 ( 0.00%)                  Some(mem::replace(&mut self.r.unusable_binding, target_bindings[TypeNS].get()))
      .                       }
      .                       _ => None,
      .                   };
     60 ( 0.00%)          let prev_ambiguity_errors_len = self.r.ambiguity_errors.len();
      .                   let path_res = self.r.resolve_path(
      .                       &import.module_path,
      .                       None,
     30 ( 0.00%)              &import.parent_scope,
      .                       true,
     30 ( 0.00%)              import.span,
      .                       import.crate_lint(),
      .                   );
     30 ( 0.00%)          let no_ambiguity = self.r.ambiguity_errors.len() == prev_ambiguity_errors_len;
     30 ( 0.00%)          if let Some(orig_unusable_binding) = orig_unusable_binding {
     27 ( 0.00%)              self.r.unusable_binding = orig_unusable_binding;
      .                   }
      .                   import.vis.set(orig_vis);
    150 ( 0.00%)          if let PathResult::Failed { .. } | PathResult::NonModule(..) = path_res {
      .                       // Consider erroneous imports used to avoid duplicate diagnostics.
      .                       self.r.used_imports.insert(import.id);
      .                   }
      .                   let module = match path_res {
     90 ( 0.00%)              PathResult::Module(module) => {
      .                           // Consistency checks, analogous to `finalize_macro_resolutions`.
     90 ( 0.00%)                  if let Some(initial_module) = import.imported_module.get() {
     90 ( 0.00%)                      if !ModuleOrUniformRoot::same_def(module, initial_module) && no_ambiguity {
      .                                   span_bug!(import.span, "inconsistent resolution for an import");
      .                               }
      .                           } else if self.r.privacy_errors.is_empty() {
      .                               let msg = "cannot determine resolution for the import";
      .                               let msg_note = "import resolution is stuck, try simplifying other imports";
      .                               self.r.session.struct_span_err(import.span, msg).note(msg_note).emit();
      .                           }
      .           
     90 ( 0.00%)                  module
      .                       }
      .                       PathResult::Failed { is_error_from_last_segment: false, span, label, suggestion } => {
      .                           if no_ambiguity {
      .                               assert!(import.imported_module.get().is_none());
      .                               self.r
      .                                   .report_error(span, ResolutionError::FailedToResolve { label, suggestion });
      .                           }
      .                           return None;
-- line 928 ----------------------------------------
-- line 961 ----------------------------------------
      .                               assert!(import.imported_module.get().is_none());
      .                           }
      .                           // The error was already reported earlier.
      .                           return None;
      .                       }
      .                       PathResult::Indeterminate => unreachable!(),
      .                   };
      .           
    339 ( 0.00%)          let (ident, target, source_bindings, target_bindings, type_ns_only) = match import.kind {
      .                       ImportKind::Single {
      .                           source,
      .                           target,
     27 ( 0.00%)                  ref source_bindings,
     27 ( 0.00%)                  ref target_bindings,
     27 ( 0.00%)                  type_ns_only,
      .                           ..
      .                       } => (source, target, source_bindings, target_bindings, type_ns_only),
      6 ( 0.00%)              ImportKind::Glob { is_prelude, ref max_vis } => {
      9 ( 0.00%)                  if import.module_path.len() <= 1 {
      .                               // HACK(eddyb) `lint_if_path_starts_with_module` needs at least
      .                               // 2 segments, so the `resolve_path` above won't trigger it.
      .                               let mut full_path = import.module_path.clone();
      .                               full_path.push(Segment::from_ident(Ident::empty()));
      4 ( 0.00%)                      self.r.lint_if_path_starts_with_module(
      .                                   import.crate_lint(),
      .                                   &full_path,
      1 ( 0.00%)                          import.span,
      .                                   None,
      .                               );
      .                           }
      .           
     13 ( 0.00%)                  if let ModuleOrUniformRoot::Module(module) = module {
      3 ( 0.00%)                      if ptr::eq(module, import.parent_scope.module) {
      .                                   // Importing a module into itself is not allowed.
      .                                   return Some(UnresolvedImportError {
      .                                       span: import.span,
      .                                       label: Some(String::from("cannot glob-import a module into itself")),
      .                                       note: Vec::new(),
      .                                       suggestion: None,
      .                                   });
      .                               }
      .                           }
     11 ( 0.00%)                  if !is_prelude &&
      2 ( 0.00%)                     max_vis.get() != ty::Visibility::Invisible && // Allow empty globs.
      2 ( 0.00%)                     !max_vis.get().is_at_least(import.vis.get(), &*self)
      .                           {
      .                               let msg = "glob import doesn't reexport anything because no candidate is public enough";
      .                               self.r.lint_buffer.buffer_lint(UNUSED_IMPORTS, import.id, import.span, msg);
      .                           }
      .                           return None;
      .                       }
      .                       _ => unreachable!(),
      .                   };
      .           
     54 ( 0.00%)          let mut all_ns_err = true;
  1,242 ( 0.00%)          self.r.per_ns(|this, ns| {
    249 ( 0.00%)              if !type_ns_only || ns == TypeNS {
     79 ( 0.00%)                  let orig_vis = import.vis.replace(ty::Visibility::Invisible);
      .                           let orig_unusable_binding =
    158 ( 0.00%)                      mem::replace(&mut this.unusable_binding, target_bindings[ns].get());
      .                           let orig_last_import_segment = mem::replace(&mut this.last_import_segment, true);
      .                           let binding = this.resolve_ident_in_module(
    237 ( 0.00%)                      module,
    316 ( 0.00%)                      ident,
      .                               ns,
     79 ( 0.00%)                      &import.parent_scope,
      .                               true,
      .                               import.span,
      .                           );
    158 ( 0.00%)                  this.last_import_segment = orig_last_import_segment;
    158 ( 0.00%)                  this.unusable_binding = orig_unusable_binding;
      .                           import.vis.set(orig_vis);
      .           
      .                           match binding {
      .                               Ok(binding) => {
      .                                   // Consistency checks, analogous to `finalize_macro_resolutions`.
     87 ( 0.00%)                          let initial_res = source_bindings[ns].get().map(|initial_binding| {
     29 ( 0.00%)                              all_ns_err = false;
     87 ( 0.00%)                              if let Some(target_binding) = target_bindings[ns].get() {
     29 ( 0.00%)                                  if target.name == kw::Underscore
      .                                               && initial_binding.is_extern_crate()
      .                                               && !initial_binding.is_import()
      .                                           {
      .                                               this.record_use(
      .                                                   ident,
      .                                                   target_binding,
      .                                                   import.module_path.is_empty(),
      .                                               );
      .                                           }
      .                                       }
      .                                       initial_binding.res()
      .                                   });
      .                                   let res = binding.res();
    406 ( 0.00%)                          if let Ok(initial_res) = initial_res {
     87 ( 0.00%)                              if res != initial_res && this.ambiguity_errors.is_empty() {
      .                                           span_bug!(import.span, "inconsistent resolution for an import");
      .                                       }
      .                                   } else if res != Res::Err
      .                                       && this.ambiguity_errors.is_empty()
      .                                       && this.privacy_errors.is_empty()
      .                                   {
      .                                       let msg = "cannot determine resolution for the import";
      .                                       let msg_note =
-- line 1063 ----------------------------------------
-- line 1070 ----------------------------------------
      .                                   // single import (see test `issue-55884-2.rs`). In theory single imports should
      .                                   // always block globs, even if they are not yet resolved, so that this kind of
      .                                   // self-inconsistent resolution never happens.
      .                                   // Re-enable the assert when the issue is fixed.
      .                                   // assert!(result[ns].get().is_err());
      .                               }
      .                           }
      .                       }
    648 ( 0.00%)          });
      .           
     54 ( 0.00%)          if all_ns_err {
      .                       let mut all_ns_failed = true;
      .                       self.r.per_ns(|this, ns| {
      .                           if !type_ns_only || ns == TypeNS {
      .                               let binding = this.resolve_ident_in_module(
      .                                   module,
      .                                   ident,
      .                                   ns,
      .                                   &import.parent_scope,
-- line 1088 ----------------------------------------
-- line 1175 ----------------------------------------
      .                           })
      .                       } else {
      .                           // `resolve_ident_in_module` reported a privacy error.
      .                           self.r.import_dummy_binding(import);
      .                           None
      .                       };
      .                   }
      .           
     27 ( 0.00%)          let mut reexport_error = None;
     27 ( 0.00%)          let mut any_successful_reexport = false;
     54 ( 0.00%)          let mut crate_private_reexport = false;
    324 ( 0.00%)          self.r.per_ns(|this, ns| {
    189 ( 0.00%)              if let Ok(binding) = source_bindings[ns].get() {
     87 ( 0.00%)                  let vis = import.vis.get();
    174 ( 0.00%)                  if !binding.vis.is_at_least(vis, &*this) {
      .                               reexport_error = Some((ns, binding));
      .                               if let ty::Visibility::Restricted(binding_def_id) = binding.vis {
      .                                   if binding_def_id.is_top_level_module() {
      .                                       crate_private_reexport = true;
      .                                   }
      .                               }
      .                           } else {
     58 ( 0.00%)                      any_successful_reexport = true;
      .                           }
      .                       }
      .                   });
      .           
      .                   // All namespaces must be re-exported with extra visibility for an error to occur.
     54 ( 0.00%)          if !any_successful_reexport {
      .                       let (ns, binding) = reexport_error.unwrap();
      .                       if pub_use_of_private_extern_crate_hack(import, binding) {
      .                           let msg = format!(
      .                               "extern crate `{}` is private, and cannot be \
      .                                              re-exported (error E0365), consider declaring with \
      .                                              `pub`",
      .                               ident
      .                           );
-- line 1211 ----------------------------------------
-- line 1241 ----------------------------------------
      .                                   format!("consider marking `{}` as `pub` in the imported module", ident);
      .                               struct_span_err!(self.r.session, import.span, E0364, "{}", error_msg)
      .                                   .span_note(import.span, &note_msg)
      .                                   .emit();
      .                           }
      .                       }
      .                   }
      .           
     81 ( 0.00%)          if import.module_path.len() <= 1 {
      .                       // HACK(eddyb) `lint_if_path_starts_with_module` needs at least
      .                       // 2 segments, so the `resolve_path` above won't trigger it.
      .                       let mut full_path = import.module_path.clone();
     21 ( 0.00%)              full_path.push(Segment::from_ident(ident));
     49 ( 0.00%)              self.r.per_ns(|this, ns| {
     44 ( 0.00%)                  if let Ok(binding) = source_bindings[ns].get() {
     21 ( 0.00%)                      this.lint_if_path_starts_with_module(
      .                                   import.crate_lint(),
      .                                   &full_path,
      7 ( 0.00%)                          import.span,
      .                                   Some(binding),
      .                               );
      .                           }
      .                       });
      .                   }
      .           
      .                   // Record what this import resolves to for later uses in documentation,
      .                   // this may resolve to either a value or a type, but for documentation
      .                   // purposes it's good enough to just favor one over the other.
    756 ( 0.00%)          self.r.per_ns(|this, ns| {
    318 ( 0.00%)              if let Ok(binding) = source_bindings[ns].get() {
    464 ( 0.00%)                  this.import_res_map.entry(import.id).or_default()[ns] = Some(binding.res());
      .                       }
    648 ( 0.00%)          });
      .           
    243 ( 0.00%)          self.check_for_redundant_imports(ident, import, source_bindings, target_bindings, target);
      .           
      .                   debug!("(resolving single import) successfully resolved import");
      .                   None
    240 ( 0.00%)      }
      .           
      .               fn check_for_redundant_imports(
      .                   &mut self,
      .                   ident: Ident,
      .                   import: &'b Import<'b>,
      .                   source_bindings: &PerNS<Cell<Result<&'b NameBinding<'b>, Determinacy>>>,
      .                   target_bindings: &PerNS<Cell<Option<&'b NameBinding<'b>>>>,
      .                   target: Ident,
      .               ) {
      .                   // Skip if the import was produced by a macro.
     27 ( 0.00%)          if import.parent_scope.expansion != LocalExpnId::ROOT {
      .                       return;
      .                   }
      .           
      .                   // Skip if we are inside a named module (in contrast to an anonymous
      .                   // module defined by a block).
     81 ( 0.00%)          if let ModuleKind::Def(..) = import.parent_scope.module.kind {
      .                       return;
      .                   }
      .           
      2 ( 0.00%)          let mut is_redundant = PerNS { value_ns: None, type_ns: None, macro_ns: None };
      .           
      4 ( 0.00%)          let mut redundant_span = PerNS { value_ns: None, type_ns: None, macro_ns: None };
      .           
     44 ( 0.00%)          self.r.per_ns(|this, ns| {
     11 ( 0.00%)              if let Ok(binding) = source_bindings[ns].get() {
      5 ( 0.00%)                  if binding.res() == Res::Err {
      .                               return;
      .                           }
      .           
      .                           let orig_unusable_binding =
      2 ( 0.00%)                      mem::replace(&mut this.unusable_binding, target_bindings[ns].get());
      .           
     12 ( 0.00%)                  match this.early_resolve_ident_in_lexical_scope(
      3 ( 0.00%)                      target,
      .                               ScopeSet::All(ns, false),
      2 ( 0.00%)                      &import.parent_scope,
      .                               false,
      .                               false,
      .                               import.span,
      .                           ) {
      .                               Ok(other_binding) => {
      .                                   is_redundant[ns] = Some(
      .                                       binding.res() == other_binding.res() && !other_binding.is_ambiguity(),
      .                                   );
      .                                   redundant_span[ns] = Some((other_binding.span, other_binding.is_import()));
      .                               }
      2 ( 0.00%)                      Err(_) => is_redundant[ns] = Some(false),
      .                           }
      .           
      2 ( 0.00%)                  this.unusable_binding = orig_unusable_binding;
      .                       }
     24 ( 0.00%)          });
      .           
      8 ( 0.00%)          if !is_redundant.is_empty() && is_redundant.present_items().all(|is_redundant| is_redundant)
      .                   {
      .                       let mut redundant_spans: Vec<_> = redundant_span.present_items().collect();
      .                       redundant_spans.sort();
      .                       redundant_spans.dedup();
      .                       self.r.lint_buffer.buffer_lint_with_diagnostic(
      .                           UNUSED_IMPORTS,
      .                           import.id,
      .                           import.span,
-- line 1342 ----------------------------------------
-- line 1350 ----------------------------------------
      .                   let module = match import.imported_module.get().unwrap() {
      .                       ModuleOrUniformRoot::Module(module) => module,
      .                       _ => {
      .                           self.r.session.span_err(import.span, "cannot glob-import all possible crates");
      .                           return;
      .                       }
      .                   };
      .           
      9 ( 0.00%)          if module.is_trait() {
      .                       self.r.session.span_err(import.span, "items in traits are not importable");
      .                       return;
      3 ( 0.00%)          } else if ptr::eq(module, import.parent_scope.module) {
      .                       return;
     12 ( 0.00%)          } else if let ImportKind::Glob { is_prelude: true, .. } = import.kind {
      2 ( 0.00%)              self.r.prelude = Some(module);
      .                       return;
      .                   }
      .           
      .                   // Add to module's glob_importers
      .                   module.glob_importers.borrow_mut().push(import);
      .           
      .                   // Ensure that `resolutions` isn't borrowed during `try_define`,
      .                   // since it might get updated via a glob cycle.
      6 ( 0.00%)          let bindings = self
      .                       .r
      .                       .resolutions(module)
      .                       .borrow()
      .                       .iter()
      .                       .filter_map(|(key, resolution)| {
 20,109 ( 0.00%)                  resolution.borrow().binding().map(|binding| (*key, binding))
      .                       })
      .                       .collect::<Vec<_>>();
 10,030 ( 0.00%)          for (mut key, binding) in bindings {
 45,133 ( 0.01%)              let scope = match key.ident.span.reverse_glob_adjust(module.expansion, import.span) {
      .                           Some(Some(def)) => self.r.expn_def_scope(def),
 10,026 ( 0.00%)                  Some(None) => import.parent_scope.module,
      .                           None => continue,
      .                       };
 40,104 ( 0.01%)              if self.r.is_accessible_from(binding.vis, scope) {
  9,998 ( 0.00%)                  let imported_binding = self.r.import(binding, import);
 54,989 ( 0.01%)                  let _ = self.r.try_define(import.parent_scope.module, key, imported_binding);
      .                       }
      .                   }
      .           
      .                   // Record the destination of this import
      .                   self.r.record_partial_res(import.id, PartialRes::new(module.res().unwrap()));
      .               }
      .           
      .               // Miscellaneous post-processing, including recording re-exports,
      .               // reporting conflicts, and reporting unresolved imports.
      .               fn finalize_resolutions_in(&mut self, module: Module<'b>) {
      .                   // Since import resolution is finished, globs will not define any more names.
     52 ( 0.00%)          *module.globs.borrow_mut() = Vec::new();
      .           
      .                   let mut reexports = Vec::new();
      .           
     65 ( 0.00%)          module.for_each_child(self.r, |_, ident, _, binding| {
      .                       // Filter away ambiguous imports and anything that has def-site hygiene.
      .                       // FIXME: Implement actual cross-crate hygiene.
      .                       let is_good_import =
 10,083 ( 0.00%)                  binding.is_import() && !binding.is_ambiguity() && !ident.span.from_expansion();
  5,092 ( 0.00%)              if is_good_import || binding.is_macro_def() {
      .                           let res = binding.res().expect_non_local();
      .                           if res != def::Res::Err {
 20,124 ( 0.00%)                      reexports.push(ModChild { ident, res, vis: binding.vis, span: binding.span });
      .                           }
      .                       }
      .                   });
      .           
     13 ( 0.00%)          if !reexports.is_empty() {
     10 ( 0.00%)              if let Some(def_id) = module.opt_def_id() {
      .                           // Call to `expect_local` should be fine because current
      .                           // code is only called for local modules.
      .                           self.r.reexport_map.insert(def_id.expect_local(), reexports);
      .                       }
      .                   }
      .               }
      .           }
      .           
-- line 1428 ----------------------------------------

242,064 ( 0.04%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_resolve/src/imports.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 417 ----------------------------------------
        .               /// # #![allow(unused_mut)]
        .               /// let mut vec: Vec<i32> = Vec::new();
        .               /// ```
        .               #[inline]
        .               #[rustc_const_stable(feature = "const_vec_new", since = "1.39.0")]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[must_use]
        .               pub const fn new() -> Self {
  458,094 ( 0.08%)          Vec { buf: RawVec::NEW, len: 0 }
       64 ( 0.00%)      }
        .           
        .               /// Constructs a new, empty `Vec<T>` with the specified capacity.
        .               ///
        .               /// The vector will be able to hold exactly `capacity` elements without
        .               /// reallocating. If `capacity` is 0, the vector will not allocate.
        .               ///
        .               /// It is important to note that although the returned vector has the
        .               /// *capacity* specified, the vector will have a zero *length*. For an
-- line 434 ----------------------------------------
-- line 601 ----------------------------------------
        .               /// vec.push(11);
        .               /// assert_eq!(vec.len(), 11);
        .               /// assert!(vec.capacity() >= 11);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[inline]
        .               #[unstable(feature = "allocator_api", issue = "32838")]
        .               pub fn with_capacity_in(capacity: usize, alloc: A) -> Self {
  149,483 ( 0.03%)          Vec { buf: RawVec::with_capacity_in(capacity, alloc), len: 0 }
        .               }
        .           
        .               /// Creates a `Vec<T, A>` directly from the raw components of another vector.
        .               ///
        .               /// # Safety
        .               ///
        .               /// This is highly unsafe, due to the number of invariants that aren't
        .               /// checked:
-- line 617 ----------------------------------------
-- line 677 ----------------------------------------
        .               ///     // Put everything back together into a Vec
        .               ///     let rebuilt = Vec::from_raw_parts_in(p, len, cap, alloc.clone());
        .               ///     assert_eq!(rebuilt, [4, 5, 6]);
        .               /// }
        .               /// ```
        .               #[inline]
        .               #[unstable(feature = "allocator_api", issue = "32838")]
        .               pub unsafe fn from_raw_parts_in(ptr: *mut T, length: usize, capacity: usize, alloc: A) -> Self {
   10,326 ( 0.00%)          unsafe { Vec { buf: RawVec::from_raw_parts_in(ptr, capacity, alloc), len: length } }
        .               }
        .           
        .               /// Decomposes a `Vec<T>` into its raw components.
        .               ///
        .               /// Returns the raw pointer to the underlying data, the length of
        .               /// the vector (in elements), and the allocated capacity of the
        .               /// data (in elements). These are the same arguments in the same
        .               /// order as the arguments to [`from_raw_parts`].
-- line 693 ----------------------------------------
-- line 778 ----------------------------------------
        .               ///
        .               /// ```
        .               /// let vec: Vec<i32> = Vec::with_capacity(10);
        .               /// assert_eq!(vec.capacity(), 10);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn capacity(&self) -> usize {
  131,283 ( 0.02%)          self.buf.capacity()
        .               }
        .           
        .               /// Reserves capacity for at least `additional` more elements to be inserted
        .               /// in the given `Vec<T>`. The collection may reserve more space to avoid
        .               /// frequent reallocations. After calling `reserve`, capacity will be
        .               /// greater than or equal to `self.len() + additional`. Does nothing if
        .               /// capacity is already sufficient.
        .               ///
-- line 794 ----------------------------------------
-- line 801 ----------------------------------------
        .               /// ```
        .               /// let mut vec = vec![1];
        .               /// vec.reserve(10);
        .               /// assert!(vec.capacity() >= 11);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn reserve(&mut self, additional: usize) {
   32,606 ( 0.01%)          self.buf.reserve(self.len, additional);
        .               }
        .           
        .               /// Reserves the minimum capacity for exactly `additional` more elements to
        .               /// be inserted in the given `Vec<T>`. After calling `reserve_exact`,
        .               /// capacity will be greater than or equal to `self.len() + additional`.
        .               /// Does nothing if the capacity is already sufficient.
        .               ///
        .               /// Note that the allocator may give the collection more space than it
-- line 817 ----------------------------------------
-- line 829 ----------------------------------------
        .               /// ```
        .               /// let mut vec = vec![1];
        .               /// vec.reserve_exact(10);
        .               /// assert!(vec.capacity() >= 11);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn reserve_exact(&mut self, additional: usize) {
    3,130 ( 0.00%)          self.buf.reserve_exact(self.len, additional);
        .               }
        .           
        .               /// Tries to reserve capacity for at least `additional` more elements to be inserted
        .               /// in the given `Vec<T>`. The collection may reserve more space to avoid
        .               /// frequent reallocations. After calling `try_reserve`, capacity will be
        .               /// greater than or equal to `self.len() + additional`. Does nothing if
        .               /// capacity is already sufficient.
        .               ///
-- line 845 ----------------------------------------
-- line 930 ----------------------------------------
        .               /// assert!(vec.capacity() >= 3);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn shrink_to_fit(&mut self) {
        .                   // The capacity is never less than the length, and there's nothing to do when
        .                   // they are equal, so we can avoid the panic case in `RawVec::shrink_to_fit`
        .                   // by only calling it with a greater capacity.
    3,284 ( 0.00%)          if self.capacity() > self.len {
    2,184 ( 0.00%)              self.buf.shrink_to_fit(self.len);
        .                   }
        .               }
        .           
        .               /// Shrinks the capacity of the vector with a lower bound.
        .               ///
        .               /// The capacity will remain at least as large as both the length
        .               /// and the supplied value.
        .               ///
-- line 947 ----------------------------------------
-- line 990 ----------------------------------------
        .               /// let slice = vec.into_boxed_slice();
        .               /// assert_eq!(slice.into_vec().capacity(), 3);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn into_boxed_slice(mut self) -> Box<[T], A> {
        .                   unsafe {
        .                       self.shrink_to_fit();
      943 ( 0.00%)              let me = ManuallyDrop::new(self);
        .                       let buf = ptr::read(&me.buf);
        .                       let len = me.len();
        .                       buf.into_box(len).assume_init()
        .                   }
        .               }
        .           
        .               /// Shortens the vector, keeping the first `len` elements and dropping
        .               /// the rest.
-- line 1006 ----------------------------------------
-- line 1040 ----------------------------------------
        .               /// let mut vec = vec![1, 2, 3];
        .               /// vec.truncate(0);
        .               /// assert_eq!(vec, []);
        .               /// ```
        .               ///
        .               /// [`clear`]: Vec::clear
        .               /// [`drain`]: Vec::drain
        .               #[stable(feature = "rust1", since = "1.0.0")]
   33,472 ( 0.01%)      pub fn truncate(&mut self, len: usize) {
        .                   // This is safe because:
        .                   //
        .                   // * the slice passed to `drop_in_place` is valid; the `len > self.len`
        .                   //   case avoids creating an invalid slice, and
        .                   // * the `len` of the vector is shrunk before calling `drop_in_place`,
        .                   //   such that no value will be dropped twice in case `drop_in_place`
        .                   //   were to panic once (if it panics twice, the program aborts).
        .                   unsafe {
        .                       // Note: It's intentional that this is `>` and not `>=`.
        .                       //       Changing it to `>=` has negative performance
        .                       //       implications in some cases. See #78884 for more.
   27,104 ( 0.00%)              if len > self.len {
        .                           return;
        .                       }
        .                       let remaining_len = self.len - len;
        .                       let s = ptr::slice_from_raw_parts_mut(self.as_mut_ptr().add(len), remaining_len);
   24,423 ( 0.00%)              self.len = len;
      730 ( 0.00%)              ptr::drop_in_place(s);
        .                   }
   40,148 ( 0.01%)      }
        .           
        .               /// Extracts a slice containing the entire vector.
        .               ///
        .               /// Equivalent to `&s[..]`.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
-- line 1076 ----------------------------------------
-- line 1126 ----------------------------------------
        .               /// ```
        .               ///
        .               /// [`as_mut_ptr`]: Vec::as_mut_ptr
        .               #[stable(feature = "vec_as_ptr", since = "1.37.0")]
        .               #[inline]
        .               pub fn as_ptr(&self) -> *const T {
        .                   // We shadow the slice method of the same name to avoid going through
        .                   // `deref`, which creates an intermediate reference.
  412,484 ( 0.07%)          let ptr = self.buf.ptr();
        .                   unsafe {
        .                       assume(!ptr.is_null());
        .                   }
        .                   ptr
        .               }
        .           
        .               /// Returns an unsafe mutable pointer to the vector's buffer.
        .               ///
-- line 1142 ----------------------------------------
-- line 1162 ----------------------------------------
        .               /// }
        .               /// assert_eq!(&*x, &[0, 1, 2, 3]);
        .               /// ```
        .               #[stable(feature = "vec_as_ptr", since = "1.37.0")]
        .               #[inline]
        .               pub fn as_mut_ptr(&mut self) -> *mut T {
        .                   // We shadow the slice method of the same name to avoid going through
        .                   // `deref_mut`, which creates an intermediate reference.
  651,481 ( 0.11%)          let ptr = self.buf.ptr();
        .                   unsafe {
        .                       assume(!ptr.is_null());
        .                   }
        .                   ptr
        .               }
        .           
        .               /// Returns a reference to the underlying allocator.
        .               #[unstable(feature = "allocator_api", issue = "32838")]
-- line 1178 ----------------------------------------
-- line 1259 ----------------------------------------
        .               ///
        .               /// Normally, here, one would use [`clear`] instead to correctly drop
        .               /// the contents and thus not leak memory.
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub unsafe fn set_len(&mut self, new_len: usize) {
        .                   debug_assert!(new_len <= self.capacity());
        .           
  156,523 ( 0.03%)          self.len = new_len;
    1,982 ( 0.00%)      }
        .           
        .               /// Removes an element from the vector and returns it.
        .               ///
        .               /// The removed element is replaced by the last element of the vector.
        .               ///
        .               /// This does not preserve ordering, but is *O*(1).
        .               /// If you need to preserve the element order, use [`remove`] instead.
        .               ///
-- line 1276 ----------------------------------------
-- line 1305 ----------------------------------------
        .                       assert_failed(index, len);
        .                   }
        .                   unsafe {
        .                       // We replace self[index] with the last element. Note that if the
        .                       // bounds check above succeeds there must be a last element (which
        .                       // can be self[index] itself).
        .                       let value = ptr::read(self.as_ptr().add(index));
        .                       let base_ptr = self.as_mut_ptr();
        1 ( 0.00%)              ptr::copy(base_ptr.add(len - 1), base_ptr.add(index), 1);
        .                       self.set_len(len - 1);
        .                       value
        .                   }
        .               }
        .           
        .               /// Inserts an element at position `index` within the vector, shifting all
        .               /// elements after it to the right.
        .               ///
-- line 1321 ----------------------------------------
-- line 1329 ----------------------------------------
        .               /// let mut vec = vec![1, 2, 3];
        .               /// vec.insert(1, 4);
        .               /// assert_eq!(vec, [1, 4, 2, 3]);
        .               /// vec.insert(4, 5);
        .               /// assert_eq!(vec, [1, 4, 2, 3, 5]);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "rust1", since = "1.0.0")]
      938 ( 0.00%)      pub fn insert(&mut self, index: usize, element: T) {
        .                   #[cold]
        .                   #[inline(never)]
        .                   fn assert_failed(index: usize, len: usize) -> ! {
        .                       panic!("insertion index (is {}) should be <= len (is {})", index, len);
        .                   }
        .           
      142 ( 0.00%)          let len = self.len();
      364 ( 0.00%)          if index > len {
        .                       assert_failed(index, len);
        .                   }
        .           
        .                   // space for the new element
      524 ( 0.00%)          if len == self.buf.capacity() {
        .                       self.reserve(1);
        .                   }
        .           
        .                   unsafe {
        .                       // infallible
        .                       // The spot to put the new value
        .                       {
        .                           let p = self.as_mut_ptr().add(index);
        .                           // Shift everything over to make space. (Duplicating the
        .                           // `index`th element into two consecutive places.)
      762 ( 0.00%)                  ptr::copy(p, p.offset(1), len - index);
        .                           // Write it in, overwriting the first copy of the `index`th
        .                           // element.
        .                           ptr::write(p, element);
        .                       }
      524 ( 0.00%)              self.set_len(len + 1);
        .                   }
      804 ( 0.00%)      }
        .           
        .               /// Removes and returns the element at position `index` within the vector,
        .               /// shifting all elements after it to the left.
        .               ///
        .               /// Note: Because this shifts over the remaining elements, it has a
        .               /// worst-case performance of *O*(*n*). If you don't need the order of elements
        .               /// to be preserved, use [`swap_remove`] instead. If you'd like to remove
        .               /// elements from the beginning of the `Vec`, consider using
-- line 1376 ----------------------------------------
-- line 1395 ----------------------------------------
        .               pub fn remove(&mut self, index: usize) -> T {
        .                   #[cold]
        .                   #[inline(never)]
        .                   #[track_caller]
        .                   fn assert_failed(index: usize, len: usize) -> ! {
        .                       panic!("removal index (is {}) should be < len (is {})", index, len);
        .                   }
        .           
      108 ( 0.00%)          let len = self.len();
      401 ( 0.00%)          if index >= len {
        .                       assert_failed(index, len);
        .                   }
        .                   unsafe {
        .                       // infallible
        .                       let ret;
        .                       {
        .                           // the place we are taking from.
        .                           let ptr = self.as_mut_ptr().add(index);
        .                           // copy it out, unsafely having a copy of the value on
        .                           // the stack and in the vector at the same time.
      496 ( 0.00%)                  ret = ptr::read(ptr);
        .           
        .                           // Shift everything down to fill in that spot.
      298 ( 0.00%)                  ptr::copy(ptr.offset(1), ptr, len - index - 1);
        .                       }
      108 ( 0.00%)              self.set_len(len - 1);
        .                       ret
        .                   }
        .               }
        .           
        .               /// Retains only the elements specified by the predicate.
        .               ///
        .               /// In other words, remove all elements `e` such that `f(&e)` returns `false`.
        .               /// This method operates in place, visiting each element exactly once in the
-- line 1428 ----------------------------------------
-- line 1442 ----------------------------------------
        .               /// ```
        .               /// let mut vec = vec![1, 2, 3, 4, 5];
        .               /// let keep = [false, true, true, false, true];
        .               /// let mut iter = keep.iter();
        .               /// vec.retain(|_| *iter.next().unwrap());
        .               /// assert_eq!(vec, [2, 3, 5]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
   28,823 ( 0.00%)      pub fn retain<F>(&mut self, mut f: F)
        .               where
        .                   F: FnMut(&T) -> bool,
        .               {
    1,664 ( 0.00%)          self.retain_mut(|elem| f(elem));
   27,872 ( 0.00%)      }
        .           
        .               /// Retains only the elements specified by the predicate, passing a mutable reference to it.
        .               ///
        .               /// In other words, remove all elements `e` such that `f(&mut e)` returns `false`.
        .               /// This method operates in place, visiting each element exactly once in the
        .               /// original order, and preserves the order of the retained elements.
        .               ///
        .               /// # Examples
-- line 1463 ----------------------------------------
-- line 1474 ----------------------------------------
        .               /// });
        .               /// assert_eq!(vec, [2, 3, 4]);
        .               /// ```
        .               #[unstable(feature = "vec_retain_mut", issue = "90829")]
        .               pub fn retain_mut<F>(&mut self, mut f: F)
        .               where
        .                   F: FnMut(&mut T) -> bool,
        .               {
    3,500 ( 0.00%)          let original_len = self.len();
        .                   // Avoid double drop if the drop guard is not executed,
        .                   // since we may make some holes during the process.
        .                   unsafe { self.set_len(0) };
        .           
        .                   // Vec: [Kept, Kept, Hole, Hole, Hole, Hole, Unchecked, Unchecked]
        .                   //      |<-              processed len   ->| ^- next to check
        .                   //                  |<-  deleted cnt     ->|
        .                   //      |<-              original_len                          ->|
-- line 1490 ----------------------------------------
-- line 1499 ----------------------------------------
        .                       v: &'a mut Vec<T, A>,
        .                       processed_len: usize,
        .                       deleted_cnt: usize,
        .                       original_len: usize,
        .                   }
        .           
        .                   impl<T, A: Allocator> Drop for BackshiftOnDrop<'_, T, A> {
        .                       fn drop(&mut self) {
    2,336 ( 0.00%)                  if self.deleted_cnt > 0 {
        .                               // SAFETY: Trailing unchecked items must be valid since we never touch them.
        .                               unsafe {
        .                                   ptr::copy(
        .                                       self.v.as_ptr().add(self.processed_len),
    1,644 ( 0.00%)                              self.v.as_mut_ptr().add(self.processed_len - self.deleted_cnt),
        .                                       self.original_len - self.processed_len,
        .                                   );
        .                               }
        .                           }
        .                           // SAFETY: After filling holes, all items are in contiguous memory.
        .                           unsafe {
        2 ( 0.00%)                      self.v.set_len(self.original_len - self.deleted_cnt);
        .                           }
        .                       }
        .                   }
        .           
        .                   let mut g = BackshiftOnDrop { v: self, processed_len: 0, deleted_cnt: 0, original_len };
        .           
        .                   fn process_loop<F, T, A: Allocator, const DELETED: bool>(
        .                       original_len: usize,
        .                       f: &mut F,
        .                       g: &mut BackshiftOnDrop<'_, T, A>,
        .                   ) where
        .                       F: FnMut(&mut T) -> bool,
        .                   {
   46,407 ( 0.01%)              while g.processed_len != original_len {
        .                           // SAFETY: Unchecked element must be valid.
        .                           let cur = unsafe { &mut *g.v.as_mut_ptr().add(g.processed_len) };
   12,695 ( 0.00%)                  if !f(cur) {
        .                               // Advance early to avoid double drop if `drop_in_place` panicked.
      176 ( 0.00%)                      g.processed_len += 1;
       14 ( 0.00%)                      g.deleted_cnt += 1;
        .                               // SAFETY: We never touch this element again after dropped.
        .                               unsafe { ptr::drop_in_place(cur) };
        .                               // We already advanced the counter.
        .                               if DELETED {
        .                                   continue;
        .                               } else {
        .                                   break;
        .                               }
        .                           }
        .                           if DELETED {
        .                               // SAFETY: `deleted_cnt` > 0, so the hole slot must not overlap with current element.
        .                               // We use copy for move, and never touch this element again.
        .                               unsafe {
      537 ( 0.00%)                          let hole_slot = g.v.as_mut_ptr().add(g.processed_len - g.deleted_cnt);
        .                                   ptr::copy_nonoverlapping(cur, hole_slot, 1);
        .                               }
        .                           }
      475 ( 0.00%)                  g.processed_len += 1;
        .                       }
        .                   }
        .           
        .                   // Stage 1: Nothing was deleted.
        .                   process_loop::<F, T, A, false>(original_len, &mut f, &mut g);
        .           
        .                   // Stage 2: Some elements were deleted.
        .                   process_loop::<F, T, A, true>(original_len, &mut f, &mut g);
-- line 1565 ----------------------------------------
-- line 1606 ----------------------------------------
        .               /// ```
        .               /// let mut vec = vec!["foo", "bar", "Bar", "baz", "bar"];
        .               ///
        .               /// vec.dedup_by(|a, b| a.eq_ignore_ascii_case(b));
        .               ///
        .               /// assert_eq!(vec, ["foo", "bar", "baz", "bar"]);
        .               /// ```
        .               #[stable(feature = "dedup_by", since = "1.16.0")]
      105 ( 0.00%)      pub fn dedup_by<F>(&mut self, mut same_bucket: F)
        .               where
        .                   F: FnMut(&mut T, &mut T) -> bool,
        .               {
      174 ( 0.00%)          let len = self.len();
      752 ( 0.00%)          if len <= 1 {
        .                       return;
        .                   }
        .           
        .                   /* INVARIANT: vec.len() > read >= write > write-1 >= 0 */
        .                   struct FillGapOnDrop<'a, T, A: core::alloc::Allocator> {
        .                       /* Offset of the element we want to check if it is duplicate */
        .                       read: usize,
        .           
-- line 1627 ----------------------------------------
-- line 1670 ----------------------------------------
        .                   let ptr = gap.vec.as_mut_ptr();
        .           
        .                   /* Drop items while going through Vec, it should be more efficient than
        .                    * doing slice partition_dedup + truncate */
        .           
        .                   /* SAFETY: Because of the invariant, read_ptr, prev_ptr and write_ptr
        .                    * are always in-bounds and read_ptr never aliases prev_ptr */
        .                   unsafe {
    1,328 ( 0.00%)              while gap.read < len {
        .                           let read_ptr = ptr.add(gap.read);
        .                           let prev_ptr = ptr.add(gap.write.wrapping_sub(1));
        .           
      334 ( 0.00%)                  if same_bucket(&mut *read_ptr, &mut *prev_ptr) {
        .                               // Increase `gap.read` now since the drop may panic.
        .                               gap.read += 1;
        .                               /* We have found duplicate, drop it in-place */
        .                               ptr::drop_in_place(read_ptr);
        .                           } else {
        .                               let write_ptr = ptr.add(gap.write);
        .           
        .                               /* Because `read_ptr` can be equal to `write_ptr`, we either
        .                                * have to use `copy` or conditional `copy_nonoverlapping`.
        .                                * Looks like the first option is faster. */
        .                               ptr::copy(read_ptr, write_ptr, 1);
        .           
        .                               /* We have filled that place, so go further */
      640 ( 0.00%)                      gap.write += 1;
        .                               gap.read += 1;
        .                           }
        .                       }
        .           
        .                       /* Technically we could let `gap` clean up with its Drop, but
        .                        * when `same_bucket` is guaranteed to not panic, this bloats a little
        .                        * the codegen, so we just do it manually */
        .                       gap.vec.set_len(gap.write);
        .                       mem::forget(gap);
        .                   }
      120 ( 0.00%)      }
        .           
        .               /// Appends an element to the back of a collection.
        .               ///
        .               /// # Panics
        .               ///
        .               /// Panics if the new capacity exceeds `isize::MAX` bytes.
        .               ///
        .               /// # Examples
-- line 1715 ----------------------------------------
-- line 1717 ----------------------------------------
        .               /// ```
        .               /// let mut vec = vec![1, 2];
        .               /// vec.push(3);
        .               /// assert_eq!(vec, [1, 2, 3]);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
       15 ( 0.00%)      pub fn push(&mut self, value: T) {
        .                   // This will panic or abort if we would allocate > isize::MAX bytes
        .                   // or if the length increment would overflow for zero-sized types.
1,358,233 ( 0.23%)          if self.len == self.buf.capacity() {
   62,024 ( 0.01%)              self.buf.reserve_for_push(self.len);
        .                   }
        .                   unsafe {
   27,703 ( 0.00%)              let end = self.as_mut_ptr().add(self.len);
        .                       ptr::write(end, value);
1,568,319 ( 0.27%)              self.len += 1;
        .                   }
       12 ( 0.00%)      }
        .           
        .               /// Removes the last element from a vector and returns it, or [`None`] if it
        .               /// is empty.
        .               ///
        .               /// If you'd like to pop the first element, consider using
        .               /// [`VecDeque::pop_front`] instead.
        .               ///
        .               /// [`VecDeque::pop_front`]: crate::collections::VecDeque::pop_front
-- line 1744 ----------------------------------------
-- line 1748 ----------------------------------------
        .               /// ```
        .               /// let mut vec = vec![1, 2, 3];
        .               /// assert_eq!(vec.pop(), Some(3));
        .               /// assert_eq!(vec, [1, 2]);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn pop(&mut self) -> Option<T> {
  111,821 ( 0.02%)          if self.len == 0 {
       11 ( 0.00%)              None
        .                   } else {
        .                       unsafe {
   80,244 ( 0.01%)                  self.len -= 1;
   14,891 ( 0.00%)                  Some(ptr::read(self.as_ptr().add(self.len())))
        .                       }
        .                   }
        .               }
        .           
        .               /// Moves all the elements of `other` into `Self`, leaving `other` empty.
        .               ///
        .               /// # Panics
        .               ///
-- line 1769 ----------------------------------------
-- line 1776 ----------------------------------------
        .               /// let mut vec2 = vec![4, 5, 6];
        .               /// vec.append(&mut vec2);
        .               /// assert_eq!(vec, [1, 2, 3, 4, 5, 6]);
        .               /// assert_eq!(vec2, []);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[inline]
        .               #[stable(feature = "append", since = "1.4.0")]
      595 ( 0.00%)      pub fn append(&mut self, other: &mut Self) {
        .                   unsafe {
        .                       self.append_elements(other.as_slice() as _);
        .                       other.set_len(0);
        .                   }
      510 ( 0.00%)      }
        .           
        .               /// Appends elements to `Self` from other buffer.
        .               #[cfg(not(no_global_oom_handling))]
        .               #[inline]
        .               unsafe fn append_elements(&mut self, other: *const [T]) {
        .                   let count = unsafe { (*other).len() };
        .                   self.reserve(count);
    4,004 ( 0.00%)          let len = self.len();
        .                   unsafe { ptr::copy_nonoverlapping(other as *const T, self.as_mut_ptr().add(len), count) };
   52,737 ( 0.01%)          self.len += count;
        .               }
        .           
        .               /// Creates a draining iterator that removes the specified range in the vector
        .               /// and yields the removed items.
        .               ///
        .               /// When the iterator **is** dropped, all elements in the range are removed
        .               /// from the vector, even if the iterator was not fully consumed. If the
        .               /// iterator **is not** dropped (with [`mem::forget`] for example), it is
-- line 1807 ----------------------------------------
-- line 1834 ----------------------------------------
        .                   // When the Drain is first created, it shortens the length of
        .                   // the source vector to make sure no uninitialized or moved-from elements
        .                   // are accessible at all if the Drain's destructor never gets to run.
        .                   //
        .                   // Drain will ptr::read out the values to remove.
        .                   // When finished, remaining tail of the vec is copied back to cover
        .                   // the hole, and the vector length is restored to the new length.
        .                   //
    1,925 ( 0.00%)          let len = self.len();
        .                   let Range { start, end } = slice::range(range, ..len);
        .           
        .                   unsafe {
        .                       // set self.vec length's to start, to be safe in case Drain is leaked
        .                       self.set_len(start);
        .                       // Use the borrow in the IterMut to indicate borrowing behavior of the
        .                       // whole Drain iterator (like &mut T).
       93 ( 0.00%)              let range_slice = slice::from_raw_parts_mut(self.as_mut_ptr().add(start), end - start);
      507 ( 0.00%)              Drain {
        .                           tail_start: end,
       92 ( 0.00%)                  tail_len: len - end,
        .                           iter: range_slice.iter(),
        .                           vec: NonNull::from(self),
        .                       }
        .                   }
        .               }
        .           
        .               /// Clears the vector, removing all values.
        .               ///
-- line 1861 ----------------------------------------
-- line 1869 ----------------------------------------
        .               ///
        .               /// v.clear();
        .               ///
        .               /// assert!(v.is_empty());
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn clear(&mut self) {
   58,776 ( 0.01%)          self.truncate(0)
        .               }
        .           
        .               /// Returns the number of elements in the vector, also referred to
        .               /// as its 'length'.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
-- line 1885 ----------------------------------------
-- line 1900 ----------------------------------------
        .               /// let mut v = Vec::new();
        .               /// assert!(v.is_empty());
        .               ///
        .               /// v.push(1);
        .               /// assert!(!v.is_empty());
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn is_empty(&self) -> bool {
   44,198 ( 0.01%)          self.len() == 0
        .               }
        .           
        .               /// Splits the collection into two at the given index.
        .               ///
        .               /// Returns a newly allocated vector containing the elements in the range
        .               /// `[at, len)`. After the call, the original vector will be left containing
        .               /// the elements `[0, at)` with its previous capacity unchanged.
        .               ///
-- line 1916 ----------------------------------------
-- line 1935 ----------------------------------------
        .                   A: Clone,
        .               {
        .                   #[cold]
        .                   #[inline(never)]
        .                   fn assert_failed(at: usize, len: usize) -> ! {
        .                       panic!("`at` split index (is {}) should be <= len (is {})", at, len);
        .                   }
        .           
      521 ( 0.00%)          if at > self.len() {
        .                       assert_failed(at, self.len());
        .                   }
        .           
      349 ( 0.00%)          if at == 0 {
        .                       // the new vector can take over the original buffer and avoid the copy
        .                       return mem::replace(
        .                           self,
        .                           Vec::with_capacity_in(self.capacity(), self.allocator().clone()),
        .                       );
        .                   }
        .           
        .                   let other_len = self.len - at;
-- line 1955 ----------------------------------------
-- line 1988 ----------------------------------------
        .               ///
        .               /// let mut vec = vec![];
        .               /// let mut p = 1;
        .               /// vec.resize_with(4, || { p *= 2; p });
        .               /// assert_eq!(vec, [2, 4, 8, 16]);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "vec_resize_with", since = "1.33.0")]
    2,066 ( 0.00%)      pub fn resize_with<F>(&mut self, new_len: usize, f: F)
        .               where
        .                   F: FnMut() -> T,
        .               {
      278 ( 0.00%)          let len = self.len();
      556 ( 0.00%)          if new_len > len {
    3,121 ( 0.00%)              self.extend_with(new_len - len, ExtendFunc(f));
        .                   } else {
        .                       self.truncate(new_len);
        .                   }
    1,788 ( 0.00%)      }
        .           
        .               /// Consumes and leaks the `Vec`, returning a mutable reference to the contents,
        .               /// `&'a mut [T]`. Note that the type `T` must outlive the chosen lifetime
        .               /// `'a`. If the type has only static references, or none at all, then this
        .               /// may be chosen to be `'static`.
        .               ///
        .               /// As of Rust 1.57, this method does not reallocate or shrink the `Vec`,
        .               /// so the leaked allocation may include unused capacity that is not part
-- line 2014 ----------------------------------------
-- line 2070 ----------------------------------------
        .               #[stable(feature = "vec_spare_capacity", since = "1.60.0")]
        .               #[inline]
        .               pub fn spare_capacity_mut(&mut self) -> &mut [MaybeUninit<T>] {
        .                   // Note:
        .                   // This method is not implemented in terms of `split_at_spare_mut`,
        .                   // to prevent invalidation of pointers to the buffer.
        .                   unsafe {
        .                       slice::from_raw_parts_mut(
        2 ( 0.00%)                  self.as_mut_ptr().add(self.len) as *mut MaybeUninit<T>,
       35 ( 0.00%)                  self.buf.capacity() - self.len,
        .                       )
        .                   }
        .               }
        .           
        .               /// Returns vector content as a slice of `T`, along with the remaining spare
        .               /// capacity of the vector as a slice of `MaybeUninit<T>`.
        .               ///
        .               /// The returned spare capacity slice can be used to fill the vector with data
-- line 2087 ----------------------------------------
-- line 2189 ----------------------------------------
        .               /// assert_eq!(vec, ["hello", "world", "world"]);
        .               ///
        .               /// let mut vec = vec![1, 2, 3, 4];
        .               /// vec.resize(2, 0);
        .               /// assert_eq!(vec, [1, 2]);
        .               /// ```
        .               #[cfg(not(no_global_oom_handling))]
        .               #[stable(feature = "vec_resize", since = "1.5.0")]
    2,350 ( 0.00%)      pub fn resize(&mut self, new_len: usize, value: T) {
      235 ( 0.00%)          let len = self.len();
        .           
      705 ( 0.00%)          if new_len > len {
    1,188 ( 0.00%)              self.extend_with(new_len - len, ExtendElement(value))
        .                   } else {
        .                       self.truncate(new_len);
        .                   }
      243 ( 0.00%)      }
        .           
        .               /// Clones and appends all elements in a slice to the `Vec`.
        .               ///
        .               /// Iterates over the slice `other`, clones each element, and then appends
        .               /// it to this `Vec`. The `other` slice is traversed in-order.
        .               ///
        .               /// Note that this function is same as [`extend`] except that it is
        .               /// specialized to work with slices instead. If and when Rust gets
-- line 2213 ----------------------------------------
-- line 2291 ----------------------------------------
        .               fn last(mut self) -> T {
        .                   (self.0)()
        .               }
        .           }
        .           
        .           impl<T, A: Allocator> Vec<T, A> {
        .               #[cfg(not(no_global_oom_handling))]
        .               /// Extend the vector by `n` values, using the given generator.
   22,915 ( 0.00%)      fn extend_with<E: ExtendWith<T>>(&mut self, n: usize, mut value: E) {
        .                   self.reserve(n);
        .           
        .                   unsafe {
      965 ( 0.00%)              let mut ptr = self.as_mut_ptr().add(self.len());
        .                       // Use SetLenOnDrop to work around bug where compiler
        .                       // might not realize the store through `ptr` through self.set_len()
        .                       // don't alias.
        .                       let mut local_len = SetLenOnDrop::new(&mut self.len);
        .           
        .                       // Write all elements except the last one
        .                       for _ in 1..n {
        .                           ptr::write(ptr, value.next());
        .                           ptr = ptr.offset(1);
        .                           // Increment the length in every step in case next() panics
        .                           local_len.increment_len(1);
        .                       }
        .           
   40,271 ( 0.01%)              if n > 0 {
        .                           // We can write the last element directly without cloning needlessly
        .                           ptr::write(ptr, value.last());
        .                           local_len.increment_len(1);
        .                       }
        .           
        .                       // len set by scope guard
        .                   }
   18,181 ( 0.00%)      }
        .           }
        .           
        .           impl<T: PartialEq, A: Allocator> Vec<T, A> {
        .               /// Removes consecutive repeated elements in the vector according to the
        .               /// [`PartialEq`] trait implementation.
        .               ///
        .               /// If the vector is sorted, this removes all duplicates.
        .               ///
-- line 2333 ----------------------------------------
-- line 2338 ----------------------------------------
        .               ///
        .               /// vec.dedup();
        .               ///
        .               /// assert_eq!(vec, [1, 2, 3, 2]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               pub fn dedup(&mut self) {
       16 ( 0.00%)          self.dedup_by(|a, b| a == b)
        .               }
        .           }
        .           
        .           ////////////////////////////////////////////////////////////////////////////////
        .           // Internal methods and functions
        .           ////////////////////////////////////////////////////////////////////////////////
        .           
        .           #[doc(hidden)]
        .           #[cfg(not(no_global_oom_handling))]
        .           #[stable(feature = "rust1", since = "1.0.0")]
    6,165 ( 0.00%)  pub fn from_elem<T: Clone>(elem: T, n: usize) -> Vec<T> {
   33,776 ( 0.01%)      <T as SpecFromElem>::from_elem(elem, n, Global)
    7,174 ( 0.00%)  }
        .           
        .           #[doc(hidden)]
        .           #[cfg(not(no_global_oom_handling))]
        .           #[unstable(feature = "allocator_api", issue = "32838")]
        .           pub fn from_elem_in<T: Clone, A: Allocator>(elem: T, n: usize, alloc: A) -> Vec<T, A> {
        .               <T as SpecFromElem>::from_elem(elem, n, alloc)
        .           }
        .           
-- line 2367 ----------------------------------------
-- line 2424 ----------------------------------------
        .           // Common trait implementations for Vec
        .           ////////////////////////////////////////////////////////////////////////////////
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<T, A: Allocator> ops::Deref for Vec<T, A> {
        .               type Target = [T];
        .           
        .               fn deref(&self) -> &[T] {
  629,065 ( 0.11%)          unsafe { slice::from_raw_parts(self.as_ptr(), self.len) }
        4 ( 0.00%)      }
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<T, A: Allocator> ops::DerefMut for Vec<T, A> {
        .               fn deref_mut(&mut self) -> &mut [T] {
  131,425 ( 0.02%)          unsafe { slice::from_raw_parts_mut(self.as_mut_ptr(), self.len) }
        .               }
        .           }
        .           
        .           #[cfg(not(no_global_oom_handling))]
        .           trait SpecCloneFrom {
        .               fn clone_from(this: &mut Self, other: &Self);
        .           }
        .           
-- line 2447 ----------------------------------------
-- line 2468 ----------------------------------------
        .                   this.extend_from_slice(other);
        .               }
        .           }
        .           
        .           #[cfg(not(no_global_oom_handling))]
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<T: Clone, A: Allocator + Clone> Clone for Vec<T, A> {
        .               #[cfg(not(test))]
   29,142 ( 0.01%)      fn clone(&self) -> Self {
        .                   let alloc = self.allocator().clone();
        2 ( 0.00%)          <[T]>::to_vec_in(&**self, alloc)
   36,748 ( 0.01%)      }
        .           
        .               // HACK(japaric): with cfg(test) the inherent `[T]::to_vec` method, which is
        .               // required for this method definition, is not available. Instead use the
        .               // `slice::to_vec`  function which is only available with cfg(test)
        .               // NB see the slice::hack module in slice.rs for more information
        .               #[cfg(test)]
        .               fn clone(&self) -> Self {
        .                   let alloc = self.allocator().clone();
-- line 2487 ----------------------------------------
-- line 2518 ----------------------------------------
        .               message = "vector indices are of type `usize` or ranges of `usize`",
        .               label = "vector indices are of type `usize` or ranges of `usize`"
        .           )]
        .           impl<T, I: SliceIndex<[T]>, A: Allocator> Index<I> for Vec<T, A> {
        .               type Output = I::Output;
        .           
        .               #[inline]
        .               fn index(&self, index: I) -> &Self::Output {
   11,826 ( 0.00%)          Index::index(&**self, index)
        .               }
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           #[rustc_on_unimplemented(
        .               message = "vector indices are of type `usize` or ranges of `usize`",
        .               label = "vector indices are of type `usize` or ranges of `usize`"
        .           )]
        .           impl<T, I: SliceIndex<[T]>, A: Allocator> IndexMut<I> for Vec<T, A> {
        .               #[inline]
        .               fn index_mut(&mut self, index: I) -> &mut Self::Output {
       20 ( 0.00%)          IndexMut::index_mut(&mut **self, index)
        .               }
        .           }
        .           
        .           #[cfg(not(no_global_oom_handling))]
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<T> FromIterator<T> for Vec<T> {
        .               #[inline]
        .               fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Vec<T> {
  225,637 ( 0.04%)          <Self as SpecFromIter<T, I::IntoIter>>::from_iter(iter.into_iter())
        .               }
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<T, A: Allocator> IntoIterator for Vec<T, A> {
        .               type Item = T;
        .               type IntoIter = IntoIter<T, A>;
        .           
-- line 2555 ----------------------------------------
-- line 2564 ----------------------------------------
        .               /// for s in v.into_iter() {
        .               ///     // s has type String, not &String
        .               ///     println!("{}", s);
        .               /// }
        .               /// ```
        .               #[inline]
        .               fn into_iter(self) -> IntoIter<T, A> {
        .                   unsafe {
   84,539 ( 0.01%)              let mut me = ManuallyDrop::new(self);
        .                       let alloc = ptr::read(me.allocator());
        .                       let begin = me.as_mut_ptr();
        .                       let end = if mem::size_of::<T>() == 0 {
        .                           arith_offset(begin as *const i8, me.len() as isize) as *const T
        .                       } else {
        .                           begin.add(me.len()) as *const T
        .                       };
        .                       let cap = me.buf.capacity();
   27,792 ( 0.00%)              IntoIter {
        .                           buf: NonNull::new_unchecked(begin),
        .                           phantom: PhantomData,
        .                           cap,
        .                           alloc,
        .                           ptr: begin,
        .                           end,
        .                       }
        .                   }
-- line 2589 ----------------------------------------
-- line 2601 ----------------------------------------
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<'a, T, A: Allocator> IntoIterator for &'a mut Vec<T, A> {
        .               type Item = &'a mut T;
        .               type IntoIter = slice::IterMut<'a, T>;
        .           
        .               fn into_iter(self) -> slice::IterMut<'a, T> {
      736 ( 0.00%)          self.iter_mut()
        .               }
        .           }
        .           
        .           #[cfg(not(no_global_oom_handling))]
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<T, A: Allocator> Extend<T> for Vec<T, A> {
        .               #[inline]
       80 ( 0.00%)      fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) {
  101,593 ( 0.02%)          <Self as SpecExtend<T, I::IntoIter>>::spec_extend(self, iter.into_iter())
       80 ( 0.00%)      }
        .           
        .               #[inline]
        .               fn extend_one(&mut self, item: T) {
        .                   self.push(item);
        .               }
        .           
        .               #[inline]
        .               fn extend_reserve(&mut self, additional: usize) {
-- line 2627 ----------------------------------------
-- line 2636 ----------------------------------------
        .               fn extend_desugared<I: Iterator<Item = T>>(&mut self, mut iterator: I) {
        .                   // This is the case for a general iterator.
        .                   //
        .                   // This function should be the moral equivalent of:
        .                   //
        .                   //      for item in iterator {
        .                   //          self.push(item);
        .                   //      }
   21,781 ( 0.00%)          while let Some(element) = iterator.next() {
    2,799 ( 0.00%)              let len = self.len();
   41,108 ( 0.01%)              if len == self.capacity() {
      489 ( 0.00%)                  let (lower, _) = iterator.size_hint();
        .                           self.reserve(lower.saturating_add(1));
        .                       }
        .                       unsafe {
        .                           ptr::write(self.as_mut_ptr().add(len), element);
        .                           // Since next() executes user code which can panic we have to bump the length
        .                           // after each step.
        .                           // NB can't overflow since we would have had to alloc the address space
   36,350 ( 0.01%)                  self.set_len(len + 1);
        .                       }
        .                   }
      241 ( 0.00%)      }
        .           
        .               /// Creates a splicing iterator that replaces the specified range in the vector
        .               /// with the given `replace_with` iterator and yields the removed items.
        .               /// `replace_with` does not need to be the same length as `range`.
        .               ///
        .               /// `range` is removed even if the iterator is not consumed until the end.
        .               ///
        .               /// It is unspecified how many elements are removed from the vector
-- line 2666 ----------------------------------------
-- line 2693 ----------------------------------------
        .               #[cfg(not(no_global_oom_handling))]
        .               #[inline]
        .               #[stable(feature = "vec_splice", since = "1.21.0")]
        .               pub fn splice<R, I>(&mut self, range: R, replace_with: I) -> Splice<'_, I::IntoIter, A>
        .               where
        .                   R: RangeBounds<usize>,
        .                   I: IntoIterator<Item = T>,
        .               {
      143 ( 0.00%)          Splice { drain: self.drain(range), replace_with: replace_with.into_iter() }
        .               }
        .           
        .               /// Creates an iterator which uses a closure to determine if an element should be removed.
        .               ///
        .               /// If the closure returns true, then the element is removed and yielded.
        .               /// If the closure returns false, the element will remain in the vector and will not be yielded
        .               /// by the iterator.
        .               ///
-- line 2709 ----------------------------------------
-- line 2745 ----------------------------------------
        .               /// assert_eq!(evens, vec![2, 4, 6, 8, 14]);
        .               /// assert_eq!(odds, vec![1, 3, 5, 9, 11, 13, 15]);
        .               /// ```
        .               #[unstable(feature = "drain_filter", reason = "recently added", issue = "43244")]
        .               pub fn drain_filter<F>(&mut self, filter: F) -> DrainFilter<'_, T, F, A>
        .               where
        .                   F: FnMut(&mut T) -> bool,
        .               {
      404 ( 0.00%)          let old_len = self.len();
        .           
        .                   // Guard against us getting leaked (leak amplification)
        .                   unsafe {
        .                       self.set_len(0);
        .                   }
        .           
      192 ( 0.00%)          DrainFilter { vec: self, idx: 0, del: 0, old_len, pred: filter, panic_flag: false }
        .               }
        .           }
        .           
        .           /// Extend implementation that copies elements out of references before pushing them onto the Vec.
        .           ///
        .           /// This implementation is specialized for slice iterators, where it uses [`copy_from_slice`] to
        .           /// append the entire slice at once.
        .           ///
-- line 2768 ----------------------------------------
-- line 2803 ----------------------------------------
        .               #[inline]
        .               fn cmp(&self, other: &Self) -> Ordering {
        .                   Ord::cmp(&**self, &**other)
        .               }
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           unsafe impl<#[may_dangle] T, A: Allocator> Drop for Vec<T, A> {
  112,102 ( 0.02%)      fn drop(&mut self) {
        .                   unsafe {
        .                       // use drop for [T]
        .                       // use a raw slice to refer to the elements of the vector as weakest necessary type;
        .                       // could avoid questions of validity in certain cases
   48,536 ( 0.01%)              ptr::drop_in_place(ptr::slice_from_raw_parts_mut(self.as_mut_ptr(), self.len))
        .                   }
        .                   // RawVec handles deallocation
  131,682 ( 0.02%)      }
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           #[rustc_const_unstable(feature = "const_default_impls", issue = "87864")]
        .           impl<T> const Default for Vec<T> {
        .               /// Creates an empty `Vec<T>`.
        .               fn default() -> Vec<T> {
        .                   Vec::new()
-- line 2827 ----------------------------------------
-- line 2976 ----------------------------------------
        .               /// newly-allocated buffer with exactly the right capacity.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// assert_eq!(Box::from(vec![1, 2, 3]), vec![1, 2, 3].into_boxed_slice());
        .               /// ```
        .               fn from(v: Vec<T, A>) -> Self {
        4 ( 0.00%)          v.into_boxed_slice()
        .               }
        .           }
        .           
        .           #[cfg(not(no_global_oom_handling))]
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl From<&str> for Vec<u8> {
        .               /// Allocate a `Vec<u8>` and fill it with a UTF-8 string.
        .               ///
-- line 2992 ----------------------------------------

  202,508 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/encoder.rs
--------------------------------------------------------------------------------
Ir               

-- line 83 ----------------------------------------
      .                   if $self.is_proc_macro {
      .                       return Lazy::empty();
      .                   }
      .               };
      .           }
      .           
      .           macro_rules! encoder_methods {
      .               ($($name:ident($ty:ty);)*) => {
 30,924 ( 0.01%)          $(fn $name(&mut self, value: $ty) -> Result<(), Self::Error> {
      .                       self.opaque.$name(value)
 37,110 ( 0.01%)          })*
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Encoder for EncodeContext<'a, 'tcx> {
      .               type Error = <opaque::Encoder as Encoder>::Error;
      .           
      .               #[inline]
      .               fn emit_unit(&mut self) -> Result<(), Self::Error> {
-- line 101 ----------------------------------------
-- line 125 ----------------------------------------
      .                   emit_raw_bytes(&[u8]);
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
      .               for Lazy<T>
      .           {
      .               fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
  1,088 ( 0.00%)          e.emit_lazy_distance(*self)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
      .               for Lazy<[T]>
      .           {
     15 ( 0.00%)      fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
      .                   e.emit_usize(self.meta)?;
    182 ( 0.00%)          if self.meta == 0 {
      .                       return Ok(());
      .                   }
    433 ( 0.00%)          e.emit_lazy_distance(*self)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, I: Idx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
      .               for Lazy<Table<I, T>>
      .           where
      .               Option<T>: FixedSizeEncoding,
      .           {
      .               fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
      .                   e.emit_usize(self.meta)?;
    144 ( 0.00%)          e.emit_lazy_distance(*self)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for CrateNum {
 37,716 ( 0.01%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
 54,008 ( 0.01%)          if *self != LOCAL_CRATE && s.is_proc_macro {
      .                       panic!("Attempted to encode non-local CrateNum {:?} for proc-macro crate", self);
      .                   }
      .                   s.emit_u32(self.as_u32())
 32,328 ( 0.01%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for DefIndex {
  2,025 ( 0.00%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
      .                   s.emit_u32(self.as_u32())
  2,430 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for ExpnIndex {
      .               fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
      .                   s.emit_u32(self.as_u32())
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for SyntaxContext {
 68,955 ( 0.01%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
 41,373 ( 0.01%)          rustc_span::hygiene::raw_encode_syntax_context(*self, &s.hygiene_ctxt, s)
 82,746 ( 0.01%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for ExpnId {
      .               fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
    384 ( 0.00%)          if self.krate == LOCAL_CRATE {
      .                       // We will only write details for local expansions.  Non-local expansions will fetch
      .                       // data from the corresponding crate's metadata.
      .                       // FIXME(#43047) FIXME(#74731) We may eventually want to avoid relying on external
      .                       // metadata from proc-macro crates.
  1,308 ( 0.00%)              s.hygiene_ctxt.schedule_expn_data_for_encoding(*self);
      .                   }
    893 ( 0.00%)          self.krate.encode(s)?;
      .                   self.local_id.encode(s)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for Span {
109,584 ( 0.02%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
 82,188 ( 0.01%)          let span = self.data();
      .           
      .                   // Don't serialize any `SyntaxContext`s from a proc-macro crate,
      .                   // since we don't load proc-macro dependencies during serialization.
      .                   // This means that any hygiene information from macros used *within*
      .                   // a proc-macro crate (e.g. invoking a macro that expands to a proc-macro
      .                   // definition) will be lost.
      .                   //
      .                   // This can show up in two ways:
-- line 211 ----------------------------------------
-- line 228 ----------------------------------------
      .                   // None of these user-visible effects should result in any
      .                   // cross-crate inconsistencies (getting one behavior in the same
      .                   // crate, and a different behavior in another crate) due to the
      .                   // limited surface that proc-macros can expose.
      .                   //
      .                   // IMPORTANT: If this is ever changed, be sure to update
      .                   // `rustc_span::hygiene::raw_encode_expn_id` to handle
      .                   // encoding `ExpnData` for proc-macro crates.
 27,396 ( 0.00%)          if s.is_proc_macro {
      .                       SyntaxContext::root().encode(s)?;
      .                   } else {
 13,698 ( 0.00%)              span.ctxt.encode(s)?;
      .                   }
      .           
 13,698 ( 0.00%)          if self.is_dummy() {
      .                       return TAG_PARTIAL_SPAN.encode(s);
      .                   }
      .           
      .                   // The Span infrastructure should make sure that this invariant holds:
      .                   debug_assert!(span.lo <= span.hi);
      .           
 57,986 ( 0.01%)          if !s.source_file_cache.0.contains(span.lo) {
 19,910 ( 0.00%)              let source_map = s.tcx.sess.source_map();
 39,820 ( 0.01%)              let source_file_index = source_map.lookup_source_file_idx(span.lo);
 19,910 ( 0.00%)              s.source_file_cache =
 39,820 ( 0.01%)                  (source_map.files()[source_file_index].clone(), source_file_index);
      .                   }
      .           
 80,584 ( 0.01%)          if !s.source_file_cache.0.contains(span.hi) {
      .                       // Unfortunately, macro expansion still sometimes generates Spans
      .                       // that malformed in this way.
      .                       return TAG_PARTIAL_SPAN.encode(s);
      .                   }
      .           
      .                   let source_files = s.required_source_files.as_mut().expect("Already encoded SourceMap!");
      .                   // Record the fact that we need to encode the data for this `SourceFile`
 13,588 ( 0.00%)          source_files.insert(s.source_file_cache.1);
      .           
      .                   // There are two possible cases here:
      .                   // 1. This span comes from a 'foreign' crate - e.g. some crate upstream of the
      .                   // crate we are writing metadata for. When the metadata for *this* crate gets
      .                   // deserialized, the deserializer will need to know which crate it originally came
      .                   // from. We use `TAG_VALID_SPAN_FOREIGN` to indicate that a `CrateNum` should
      .                   // be deserialized after the rest of the span data, which tells the deserializer
      .                   // which crate contains the source map information.
-- line 272 ----------------------------------------
-- line 274 ----------------------------------------
      .                   // write `TAG_VALID_SPAN_LOCAL` to let the deserializer know that it should use
      .                   // our own source map information.
      .                   //
      .                   // If we're a proc-macro crate, we always treat this as a local `Span`.
      .                   // In `encode_source_map`, we serialize foreign `SourceFile`s into our metadata
      .                   // if we're a proc-macro crate.
      .                   // This allows us to avoid loading the dependencies of proc-macro crates: all of
      .                   // the information we need to decode `Span`s is stored in the proc-macro crate.
 81,528 ( 0.01%)          let (tag, lo, hi) = if s.source_file_cache.0.is_imported() && !s.is_proc_macro {
      .                       // To simplify deserialization, we 'rebase' this span onto the crate it originally came from
      .                       // (the crate that 'owns' the file it references. These rebased 'lo' and 'hi' values
      .                       // are relative to the source map information for the 'foreign' crate whose CrateNum
      .                       // we write into the metadata. This allows `imported_source_files` to binary
      .                       // search through the 'foreign' crate's source map information, using the
      .                       // deserialized 'lo' and 'hi' values directly.
      .                       //
      .                       // All of this logic ensures that the final result of deserialization is a 'normal'
      .                       // Span that can be used without any additional trouble.
      .                       let external_start_pos = {
      .                           // Introduce a new scope so that we drop the 'lock()' temporary
 14,913 ( 0.00%)                  match &*s.source_file_cache.0.external_src.lock() {
  4,971 ( 0.00%)                      ExternalSource::Foreign { original_start_pos, .. } => *original_start_pos,
      .                               src => panic!("Unexpected external source {:?}", src),
      .                           }
      .                       };
 14,913 ( 0.00%)              let lo = (span.lo - s.source_file_cache.0.start_pos) + external_start_pos;
  4,971 ( 0.00%)              let hi = (span.hi - s.source_file_cache.0.start_pos) + external_start_pos;
      .           
      .                       (TAG_VALID_SPAN_FOREIGN, lo, hi)
      .                   } else {
 25,851 ( 0.00%)              (TAG_VALID_SPAN_LOCAL, span.lo, span.hi)
      .                   };
      .           
      .                   tag.encode(s)?;
      .                   lo.encode(s)?;
      .           
      .                   // Encode length which is usually less than span.hi and profits more
      .                   // from the variable-length integer encoding that we use.
      .                   let len = hi - lo;
      .                   len.encode(s)?;
      .           
 27,176 ( 0.00%)          if tag == TAG_VALID_SPAN_FOREIGN {
      .                       // This needs to be two lines to avoid holding the `s.source_file_cache`
      .                       // while calling `cnum.encode(s)`
 19,884 ( 0.00%)              let cnum = s.source_file_cache.0.cnum;
 14,913 ( 0.00%)              cnum.encode(s)?;
      .                   }
      .           
      .                   Ok(())
109,584 ( 0.02%)      }
      .           }
      .           
      .           impl<'a, 'tcx> TyEncoder<'tcx> for EncodeContext<'a, 'tcx> {
      .               const CLEAR_CROSS_CRATE: bool = true;
      .           
      .               fn position(&self) -> usize {
      .                   self.opaque.position()
      .               }
-- line 331 ----------------------------------------
-- line 361 ----------------------------------------
      .           }
      .           
      .           /// Helper trait to allow overloading `EncodeContext::lazy` for iterators.
      .           trait EncodeContentsForLazy<'a, 'tcx, T: ?Sized + LazyMeta> {
      .               fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) -> T::Meta;
      .           }
      .           
      .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, T> for &T {
  3,112 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) {
  1,338 ( 0.00%)          self.encode(ecx).unwrap()
      6 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, T> for T {
  5,690 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) {
  3,477 ( 0.00%)          self.encode(ecx).unwrap()
  3,411 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx, I, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, [T]> for I
      .           where
      .               I: IntoIterator,
      .               I::Item: EncodeContentsForLazy<'a, 'tcx, T>,
      .           {
    665 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) -> usize {
  1,744 ( 0.00%)          self.into_iter().map(|value| value.encode_contents_for_lazy(ecx)).count()
    855 ( 0.00%)      }
      .           }
      .           
      .           // Shorthand for `$self.$tables.$table.set($def_id.index, $self.lazy($value))`, which would
      .           // normally need extra variables to avoid errors about multiple mutable borrows.
      .           macro_rules! record {
      .               ($self:ident.$tables:ident.$table:ident[$def_id:expr] <- $value:expr) => {{
      .                   {
      .                       let value = $value;
      .                       let lazy = $self.lazy(value);
      .                       $self.$tables.$table.set($def_id.index, lazy);
      .                   }
      .               }};
      .           }
      .           
      .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
  1,380 ( 0.00%)      fn emit_lazy_distance<T: ?Sized + LazyMeta>(
      .                   &mut self,
      .                   lazy: Lazy<T>,
      .               ) -> Result<(), <Self as Encoder>::Error> {
      .                   let pos = lazy.position.get();
    938 ( 0.00%)          let distance = match self.lazy_state {
      .                       LazyState::NoNode => bug!("emit_lazy_distance: outside of a metadata node"),
    221 ( 0.00%)              LazyState::NodeStart(start) => {
      .                           let start = start.get();
    442 ( 0.00%)                  assert!(pos <= start);
      .                           start - pos
      .                       }
     55 ( 0.00%)              LazyState::Previous(last_pos) => {
     55 ( 0.00%)                  assert!(
      .                               last_pos <= lazy.position,
      .                               "make sure that the calls to `lazy*` \
      .                                are in the same order as the metadata fields",
      .                           );
    165 ( 0.00%)                  lazy.position.get() - last_pos.get()
      .                       }
      .                   };
    552 ( 0.00%)          self.lazy_state = LazyState::Previous(NonZeroUsize::new(pos).unwrap());
      .                   self.emit_usize(distance)
  1,380 ( 0.00%)      }
      .           
  3,738 ( 0.00%)      fn lazy<T: ?Sized + LazyMeta>(
      .                   &mut self,
      .                   value: impl EncodeContentsForLazy<'a, 'tcx, T>,
      .               ) -> Lazy<T> {
      .                   let pos = NonZeroUsize::new(self.position()).unwrap();
      .           
  4,017 ( 0.00%)          assert_eq!(self.lazy_state, LazyState::NoNode);
 11,903 ( 0.00%)          self.lazy_state = LazyState::NodeStart(pos);
  8,437 ( 0.00%)          let meta = value.encode_contents_for_lazy(self);
  4,866 ( 0.00%)          self.lazy_state = LazyState::NoNode;
      .           
  8,312 ( 0.00%)          assert!(pos.get() <= self.position());
      .           
      .                   Lazy::from_position_and_meta(pos, meta)
  5,454 ( 0.00%)      }
      .           
      .               fn encode_info_for_items(&mut self) {
      9 ( 0.00%)          self.encode_info_for_mod(CRATE_DEF_ID, self.tcx.hir().root_module());
      .           
      .                   // Proc-macro crates only export proc-macro items, which are looked
      .                   // up using `proc_macro_data`
      2 ( 0.00%)          if self.is_proc_macro {
      .                       return;
      .                   }
      .           
      6 ( 0.00%)          self.tcx.hir().visit_all_item_likes(&mut self.as_deep_visitor());
      .               }
      .           
      .               fn encode_def_path_table(&mut self) {
      4 ( 0.00%)          let table = self.tcx.resolutions(()).definitions.def_path_table();
      2 ( 0.00%)          if self.is_proc_macro {
      .                       for def_index in std::iter::once(CRATE_DEF_INDEX)
      .                           .chain(self.tcx.resolutions(()).proc_macros.iter().map(|p| p.local_def_index))
      .                       {
      .                           let def_key = self.lazy(table.def_key(def_index));
      .                           let def_path_hash = self.lazy(table.def_path_hash(def_index));
      .                           self.tables.def_keys.set(def_index, def_key);
      .                           self.tables.def_path_hashes.set(def_index, def_path_hash);
      .                       }
      .                   } else {
      5 ( 0.00%)              for (def_index, def_key, def_path_hash) in table.enumerated_keys_and_path_hashes() {
      .                           let def_key = self.lazy(def_key);
      .                           let def_path_hash = self.lazy(def_path_hash);
  1,616 ( 0.00%)                  self.tables.def_keys.set(def_index, def_key);
  1,616 ( 0.00%)                  self.tables.def_path_hashes.set(def_index, def_path_hash);
      .                       }
      .                   }
      .               }
      .           
      .               fn encode_def_path_hash_map(&mut self) -> Lazy<DefPathHashMapRef<'tcx>> {
      .                   self.lazy(DefPathHashMapRef::BorrowedFromTcx(
      2 ( 0.00%)              self.tcx.resolutions(()).definitions.def_path_hash_to_def_index_map(),
      .                   ))
      .               }
      .           
      .               fn encode_source_map(&mut self) -> Lazy<[rustc_span::SourceFile]> {
      2 ( 0.00%)          let source_map = self.tcx.sess.source_map();
      3 ( 0.00%)          let all_source_files = source_map.files();
      .           
      .                   // By replacing the `Option` with `None`, we ensure that we can't
      .                   // accidentally serialize any more `Span`s after the source map encoding
      .                   // is done.
      .                   let required_source_files = self.required_source_files.take().unwrap();
      .           
      .                   let adapted = all_source_files
      .                       .iter()
      .                       .enumerate()
      .                       .filter(|(idx, source_file)| {
      .                           // Only serialize `SourceFile`s that were used
      .                           // during the encoding of a `Span`
    739 ( 0.00%)                  required_source_files.contains(*idx) &&
      .                           // Don't serialize imported `SourceFile`s, unless
      .                           // we're in a proc-macro crate.
    450 ( 0.00%)                  (!source_file.is_imported() || self.is_proc_macro)
      .                       })
      .                       .map(|(_, source_file)| {
      6 ( 0.00%)                  let mut adapted = match source_file.name {
      .                               FileName::Real(ref realname) => {
      4 ( 0.00%)                          let mut adapted = (**source_file).clone();
     32 ( 0.00%)                          adapted.name = FileName::Real(match realname {
      .                                       RealFileName::LocalPath(path_to_file) => {
      .                                           // Prepend path of working directory onto potentially
      .                                           // relative paths, because they could become relative
      .                                           // to a wrong directory.
      .                                           // We include `working_dir` as part of the crate hash,
      .                                           // so it's okay for us to use it as part of the encoded
      .                                           // metadata.
      4 ( 0.00%)                                  let working_dir = &self.tcx.sess.opts.working_dir;
      4 ( 0.00%)                                  match working_dir {
      .                                               RealFileName::LocalPath(absolute) => {
      .                                                   // Although neither working_dir or the file name were subject
      .                                                   // to path remapping, the concatenation between the two may
      .                                                   // be. Hence we need to do a remapping here.
      .                                                   let joined = Path::new(absolute).join(path_to_file);
     14 ( 0.00%)                                          let (joined, remapped) =
     22 ( 0.00%)                                              source_map.path_mapping().map_prefix(joined);
      4 ( 0.00%)                                          if remapped {
      .                                                       RealFileName::Remapped {
      .                                                           local_path: None,
      .                                                           virtual_name: joined,
      .                                                       }
      .                                                   } else {
      .                                                       RealFileName::LocalPath(joined)
      .                                                   }
      .                                               }
-- line 532 ----------------------------------------
-- line 544 ----------------------------------------
      .                                       RealFileName::Remapped { local_path: _, virtual_name } => {
      .                                           RealFileName::Remapped {
      .                                               // We do not want any local path to be exported into metadata
      .                                               local_path: None,
      .                                               virtual_name: virtual_name.clone(),
      .                                           }
      .                                       }
      .                                   });
      4 ( 0.00%)                          adapted.name_hash = {
      .                                       let mut hasher: StableHasher = StableHasher::new();
      2 ( 0.00%)                              adapted.name.hash(&mut hasher);
      .                                       hasher.finish::<u128>()
      .                                   };
      2 ( 0.00%)                          Lrc::new(adapted)
      .                               }
      .           
      .                               // expanded code, not from a file
      .                               _ => source_file.clone(),
      .                           };
      .           
      .                           // We're serializing this `SourceFile` into our crate metadata,
      .                           // so mark it as coming from this crate.
      .                           // This also ensures that we don't try to deserialize the
      .                           // `CrateNum` for a proc-macro dependency - since proc macro
      .                           // dependencies aren't loaded when we deserialize a proc-macro,
      .                           // trying to remap the `CrateNum` would fail.
      4 ( 0.00%)                  if self.is_proc_macro {
      .                               Lrc::make_mut(&mut adapted).cnum = LOCAL_CRATE;
      .                           }
      .                           adapted
      .                       })
      .                       .collect::<Vec<_>>();
      .           
      .                   self.lazy(adapted.iter().map(|rc| &**rc))
      .               }
      .           
      8 ( 0.00%)      fn encode_crate_root(&mut self) -> Lazy<CrateRoot<'tcx>> {
      .                   let mut i = self.position();
      .           
      .                   // Encode the crate deps
      .                   let crate_deps = self.encode_crate_deps();
      .                   let dylib_dependency_formats = self.encode_dylib_dependency_formats();
      5 ( 0.00%)          let dep_bytes = self.position() - i;
      .           
      .                   // Encode the lib features.
      .                   i = self.position();
      .                   let lib_features = self.encode_lib_features();
      7 ( 0.00%)          let lib_feature_bytes = self.position() - i;
      .           
      .                   // Encode the language items.
      .                   i = self.position();
      .                   let lang_items = self.encode_lang_items();
      .                   let lang_items_missing = self.encode_lang_items_missing();
      5 ( 0.00%)          let lang_item_bytes = self.position() - i;
      .           
      .                   // Encode the diagnostic items.
      .                   i = self.position();
      .                   let diagnostic_items = self.encode_diagnostic_items();
      5 ( 0.00%)          let diagnostic_item_bytes = self.position() - i;
      .           
      .                   // Encode the native libraries used
      .                   i = self.position();
      .                   let native_libraries = self.encode_native_libraries();
      4 ( 0.00%)          let native_lib_bytes = self.position() - i;
      .           
      .                   let foreign_modules = self.encode_foreign_modules();
      .           
      .                   // Encode DefPathTable
      .                   i = self.position();
      .                   self.encode_def_path_table();
      5 ( 0.00%)          let def_path_table_bytes = self.position() - i;
      .           
      .                   // Encode the def IDs of traits, for rustdoc and diagnostics.
      .                   i = self.position();
      .                   let traits = self.encode_traits();
      5 ( 0.00%)          let traits_bytes = self.position() - i;
      .           
      .                   // Encode the def IDs of impls, for coherence checking.
      .                   i = self.position();
      .                   let impls = self.encode_impls();
      5 ( 0.00%)          let impls_bytes = self.position() - i;
      .           
      3 ( 0.00%)          let tcx = self.tcx;
      .           
      .                   // Encode MIR.
      .                   i = self.position();
      .                   self.encode_mir();
      5 ( 0.00%)          let mir_bytes = self.position() - i;
      .           
      .                   // Encode the items.
      .                   i = self.position();
      .                   self.encode_def_ids();
      .                   self.encode_info_for_items();
      4 ( 0.00%)          let item_bytes = self.position() - i;
      .           
      .                   // Encode the allocation index
      .                   let interpret_alloc_index = {
      .                       let mut interpret_alloc_index = Vec::new();
      .                       let mut n = 0;
      .                       trace!("beginning to encode alloc ids");
      .                       loop {
      .                           let new_n = self.interpret_allocs.len();
      .                           // if we have found new ids, serialize those, too
      2 ( 0.00%)                  if n == new_n {
      .                               // otherwise, abort
      .                               break;
      .                           }
      .                           trace!("encoding {} further alloc ids", new_n - n);
      .                           for idx in n..new_n {
      .                               let id = self.interpret_allocs[idx];
      .                               let pos = self.position() as u32;
      .                               interpret_alloc_index.push(pos);
      .                               interpret::specialized_encode_alloc_id(self, tcx, id).unwrap();
      .                           }
      .                           n = new_n;
      .                       }
      6 ( 0.00%)              self.lazy(interpret_alloc_index)
      .                   };
      .           
      .                   // Encode the proc macro data. This affects 'tables',
      .                   // so we need to do this before we encode the tables
      .                   i = self.position();
      .                   let proc_macro_data = self.encode_proc_macros();
      4 ( 0.00%)          let proc_macro_data_bytes = self.position() - i;
      .           
      .                   i = self.position();
      4 ( 0.00%)          let tables = self.tables.encode(&mut self.opaque);
      4 ( 0.00%)          let tables_bytes = self.position() - i;
      .           
      .                   // Encode exported symbols info. This is prefetched in `encode_metadata` so we encode
      .                   // this as late as possible to give the prefetching as much time as possible to complete.
      .                   i = self.position();
      .                   let exported_symbols = tcx.exported_symbols(LOCAL_CRATE);
      .                   let exported_symbols = self.encode_exported_symbols(&exported_symbols);
      4 ( 0.00%)          let exported_symbols_bytes = self.position() - i;
      .           
      .                   // Encode the hygiene data,
      .                   // IMPORTANT: this *must* be the last thing that we encode (other than `SourceMap`). The process
      .                   // of encoding other items (e.g. `optimized_mir`) may cause us to load
      .                   // data from the incremental cache. If this causes us to deserialize a `Span`,
      .                   // then we may load additional `SyntaxContext`s into the global `HygieneData`.
      .                   // Therefore, we need to encode the hygiene data last to ensure that we encode
      .                   // any `SyntaxContext`s that might be used.
      .                   i = self.position();
      .                   let (syntax_contexts, expn_data, expn_hashes) = self.encode_hygiene();
      5 ( 0.00%)          let hygiene_bytes = self.position() - i;
      .           
      .                   i = self.position();
      .                   let def_path_hash_map = self.encode_def_path_hash_map();
      1 ( 0.00%)          let def_path_hash_map_bytes = self.position() - i;
      .           
      .                   // Encode source_map. This needs to be done last,
      .                   // since encoding `Span`s tells us which `SourceFiles` we actually
      .                   // need to encode.
      .                   i = self.position();
      .                   let source_map = self.encode_source_map();
      4 ( 0.00%)          let source_map_bytes = self.position() - i;
      .           
      3 ( 0.00%)          let attrs = tcx.hir().krate_attrs();
      7 ( 0.00%)          let has_default_lib_allocator = tcx.sess.contains_name(&attrs, sym::default_lib_allocator);
      .           
    118 ( 0.00%)          let root = self.lazy(CrateRoot {
      .                       name: tcx.crate_name(LOCAL_CRATE),
      3 ( 0.00%)              extra_filename: tcx.sess.opts.cg.extra_filename.clone(),
      1 ( 0.00%)              triple: tcx.sess.opts.target_triple.clone(),
      .                       hash: tcx.crate_hash(LOCAL_CRATE),
      .                       stable_crate_id: tcx.def_path_hash(LOCAL_CRATE.as_def_id()).stable_crate_id(),
      3 ( 0.00%)              panic_strategy: tcx.sess.panic_strategy(),
      3 ( 0.00%)              panic_in_drop_strategy: tcx.sess.opts.debugging_opts.panic_in_drop,
      2 ( 0.00%)              edition: tcx.sess.edition(),
      .                       has_global_allocator: tcx.has_global_allocator(LOCAL_CRATE),
      .                       has_panic_handler: tcx.has_panic_handler(LOCAL_CRATE),
      .                       has_default_lib_allocator,
      .                       proc_macro_data,
      6 ( 0.00%)              compiler_builtins: tcx.sess.contains_name(&attrs, sym::compiler_builtins),
      6 ( 0.00%)              needs_allocator: tcx.sess.contains_name(&attrs, sym::needs_allocator),
      6 ( 0.00%)              needs_panic_runtime: tcx.sess.contains_name(&attrs, sym::needs_panic_runtime),
      6 ( 0.00%)              no_builtins: tcx.sess.contains_name(&attrs, sym::no_builtins),
      5 ( 0.00%)              panic_runtime: tcx.sess.contains_name(&attrs, sym::panic_runtime),
      5 ( 0.00%)              profiler_runtime: tcx.sess.contains_name(&attrs, sym::profiler_runtime),
      2 ( 0.00%)              symbol_mangling_version: tcx.sess.opts.get_symbol_mangling_version(),
      .           
      .                       crate_deps,
      .                       dylib_dependency_formats,
      .                       lib_features,
      .                       lang_items,
      .                       diagnostic_items,
      .                       lang_items_missing,
      .                       native_libraries,
      .                       foreign_modules,
      .                       source_map,
      .                       traits,
      .                       impls,
      .                       exported_symbols,
      .                       interpret_alloc_index,
      2 ( 0.00%)              tables,
      .                       syntax_contexts,
      .                       expn_data,
      .                       expn_hashes,
      .                       def_path_hash_map,
      .                   });
      .           
      1 ( 0.00%)          let total_bytes = self.position();
      .           
      4 ( 0.00%)          if tcx.sess.meta_stats() {
      .                       let mut zero_bytes = 0;
      .                       for e in self.opaque.data.iter() {
      .                           if *e == 0 {
      .                               zero_bytes += 1;
      .                           }
      .                       }
      .           
      .                       eprintln!("metadata stats:");
-- line 756 ----------------------------------------
-- line 770 ----------------------------------------
      .                       eprintln!("            item bytes: {}", item_bytes);
      .                       eprintln!("           table bytes: {}", tables_bytes);
      .                       eprintln!("         hygiene bytes: {}", hygiene_bytes);
      .                       eprintln!("            zero bytes: {}", zero_bytes);
      .                       eprintln!("           total bytes: {}", total_bytes);
      .                   }
      .           
      .                   root
      9 ( 0.00%)      }
      .           }
      .           
      .           fn should_encode_visibility(def_kind: DefKind) -> bool {
      .               match def_kind {
      .                   DefKind::Mod
      .                   | DefKind::Struct
      .                   | DefKind::Union
      .                   | DefKind::Enum
-- line 786 ----------------------------------------
-- line 853 ----------------------------------------
      .           /// Whether we should encode MIR.
      .           ///
      .           /// Computing, optimizing and encoding the MIR is a relatively expensive operation.
      .           /// We want to avoid this work when not required. Therefore:
      .           /// - we only compute `mir_for_ctfe` on items with const-eval semantics;
      .           /// - we skip `optimized_mir` for check runs.
      .           ///
      .           /// Return a pair, resp. for CTFE and for LLVM.
    522 ( 0.00%)  fn should_encode_mir(tcx: TyCtxt<'_>, def_id: LocalDefId) -> (bool, bool) {
    290 ( 0.00%)      match tcx.def_kind(def_id) {
      .                   // Constructors
      .                   DefKind::Ctor(_, _) => {
      6 ( 0.00%)              let mir_opt_base = tcx.sess.opts.output_types.should_codegen()
      .                           || tcx.sess.opts.debugging_opts.always_encode_mir;
      .                       (true, mir_opt_base)
      .                   }
      .                   // Constants
      .                   DefKind::AnonConst
      .                   | DefKind::InlineConst
      .                   | DefKind::AssocConst
      .                   | DefKind::Static
      .                   | DefKind::Const => (true, false),
      .                   // Full-fledged functions
      .                   DefKind::AssocFn | DefKind::Fn => {
      .                       let generics = tcx.generics_of(def_id);
    258 ( 0.00%)              let needs_inline = (generics.requires_monomorphization(tcx)
     38 ( 0.00%)                  || tcx.codegen_fn_attrs(def_id).requests_inline())
    111 ( 0.00%)                  && tcx.sess.opts.output_types.should_codegen();
      .                       // The function has a `const` modifier or is annotated with `default_method_body_is_const`.
     55 ( 0.00%)              let is_const_fn = tcx.is_const_fn_raw(def_id.to_def_id())
    275 ( 0.00%)                  || tcx.has_attr(def_id.to_def_id(), sym::default_method_body_is_const);
      .                       let always_encode_mir = tcx.sess.opts.debugging_opts.always_encode_mir;
    110 ( 0.00%)              (is_const_fn, needs_inline || always_encode_mir)
      .                   }
      .                   // Closures can't be const fn.
      .                   DefKind::Closure => {
      .                       let generics = tcx.generics_of(def_id);
      .                       let needs_inline = (generics.requires_monomorphization(tcx)
      .                           || tcx.codegen_fn_attrs(def_id).requests_inline())
      .                           && tcx.sess.opts.output_types.should_codegen();
      .                       let always_encode_mir = tcx.sess.opts.debugging_opts.always_encode_mir;
      .                       (false, needs_inline || always_encode_mir)
      .                   }
      .                   // Generators require optimized MIR to compute layout.
      .                   DefKind::Generator => (false, true),
      .                   // The others don't have MIR.
      .                   _ => (false, false),
      .               }
    522 ( 0.00%)  }
      .           
      .           fn should_encode_variances(def_kind: DefKind) -> bool {
      .               match def_kind {
      .                   DefKind::Struct
      .                   | DefKind::Union
      .                   | DefKind::Enum
      .                   | DefKind::Variant
      .                   | DefKind::Fn
-- line 909 ----------------------------------------
-- line 969 ----------------------------------------
      .                   | DefKind::LifetimeParam
      .                   | DefKind::GlobalAsm
      .                   | DefKind::ExternCrate => false,
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
      .               fn encode_def_ids(&mut self) {
      2 ( 0.00%)          if self.is_proc_macro {
      .                       return;
      .                   }
      1 ( 0.00%)          let tcx = self.tcx;
      3 ( 0.00%)          let hir = tcx.hir();
     45 ( 0.00%)          for local_id in hir.iter_local_def_id() {
      .                       let def_id = local_id.to_def_id();
      .                       let def_kind = tcx.opt_def_kind(local_id);
  2,424 ( 0.00%)              let def_kind = if let Some(def_kind) = def_kind { def_kind } else { continue };
  5,632 ( 0.00%)              record!(self.tables.def_kind[def_id] <- match def_kind {
      .                           // Replace Ctor by the enclosing object to avoid leaking details in children crates.
      .                           DefKind::Ctor(CtorOf::Struct, _) => DefKind::Struct,
      .                           DefKind::Ctor(CtorOf::Variant, _) => DefKind::Variant,
      .                           def_kind => def_kind,
      .                       });
  1,056 ( 0.00%)              record!(self.tables.span[def_id] <- tcx.def_span(def_id));
  4,224 ( 0.00%)              record!(self.tables.attributes[def_id] <- tcx.get_attrs(def_id));
  2,816 ( 0.00%)              record!(self.tables.expn_that_defined[def_id] <- self.tcx.expn_that_defined(def_id));
      .                       if should_encode_visibility(def_kind) {
  1,200 ( 0.00%)                  record!(self.tables.visibility[def_id] <- self.tcx.visibility(def_id));
      .                       }
      .                       if should_encode_stability(def_kind) {
      .                           self.encode_stability(def_id);
      .                           self.encode_const_stability(def_id);
  1,842 ( 0.00%)                  self.encode_deprecation(def_id);
      .                       }
      .                       if should_encode_variances(def_kind) {
    122 ( 0.00%)                  let v = self.tcx.variances_of(def_id);
    427 ( 0.00%)                  record!(self.tables.variances[def_id] <- v);
      .                       }
      .                       if should_encode_generics(def_kind) {
      .                           let g = tcx.generics_of(def_id);
  1,200 ( 0.00%)                  record!(self.tables.generics[def_id] <- g);
  3,600 ( 0.00%)                  record!(self.tables.explicit_predicates[def_id] <- self.tcx.explicit_predicates_of(def_id));
    300 ( 0.00%)                  let inferred_outlives = self.tcx.inferred_outlives_of(def_id);
    443 ( 0.00%)                  if !inferred_outlives.is_empty() {
      .                               record!(self.tables.inferred_outlives[def_id] <- inferred_outlives);
      .                           }
      .                       }
  2,464 ( 0.00%)              if let DefKind::Trait | DefKind::TraitAlias = def_kind {
     84 ( 0.00%)                  record!(self.tables.super_predicates[def_id] <- self.tcx.super_predicates_of(def_id));
      .                       }
      .                   }
      .                   let inherent_impls = tcx.crate_inherent_impls(());
      .                   for (def_id, implementations) in inherent_impls.inherent_impls.iter() {
      1 ( 0.00%)              if implementations.is_empty() {
      .                           continue;
      .                       }
      9 ( 0.00%)              record!(self.tables.inherent_impls[def_id.to_def_id()] <- implementations.iter().map(|&def_id| {
      1 ( 0.00%)                  assert!(def_id.is_local());
      .                           def_id.index
      .                       }));
      .                   }
      .               }
      .           
  1,071 ( 0.00%)      fn encode_item_type(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_item_type({:?})", def_id);
    918 ( 0.00%)          record!(self.tables.ty[def_id] <- self.tcx.type_of(def_id));
  1,224 ( 0.00%)      }
      .           
      .               fn encode_enum_variant_info(&mut self, def: &ty::AdtDef, index: VariantIdx) {
      .                   let tcx = self.tcx;
      .                   let variant = &def.variants[index];
      .                   let def_id = variant.def_id;
      .                   debug!("EncodeContext::encode_enum_variant_info({:?})", def_id);
      .           
      .                   let data = VariantData {
-- line 1043 ----------------------------------------
-- line 1078 ----------------------------------------
      .           
      .                   record!(self.tables.kind[def_id] <- EntryKind::Variant(self.lazy(data)));
      .                   self.encode_item_type(def_id);
      .                   if variant.ctor_kind == CtorKind::Fn {
      .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
      .                   }
      .               }
      .           
     30 ( 0.00%)      fn encode_info_for_mod(&mut self, local_def_id: LocalDefId, md: &hir::Mod<'_>) {
      6 ( 0.00%)          let tcx = self.tcx;
      .                   let def_id = local_def_id.to_def_id();
      .                   debug!("EncodeContext::encode_info_for_mod({:?})", def_id);
      .           
      .                   // If we are encoding a proc-macro crates, `encode_info_for_mod` will
      .                   // only ever get called for the crate root. We still want to encode
      .                   // the crate root for consistency with other crates (some of the resolver
      .                   // code uses it). However, we skip encoding anything relating to child
      .                   // items - we encode information about proc-macros later on.
      9 ( 0.00%)          let reexports = if !self.is_proc_macro {
      6 ( 0.00%)              match tcx.module_reexports(local_def_id) {
      .                           Some(exports) => self.lazy(exports),
      .                           _ => Lazy::empty(),
      .                       }
      .                   } else {
      .                       Lazy::empty()
      .                   };
      .           
     12 ( 0.00%)          record!(self.tables.kind[def_id] <- EntryKind::Mod(reexports));
      6 ( 0.00%)          if self.is_proc_macro {
      .                       // Encode this here because we don't do it in encode_def_ids.
      .                       record!(self.tables.expn_that_defined[def_id] <- tcx.expn_that_defined(local_def_id));
      .                   } else {
      .                       let direct_children = md.item_ids.iter().map(|item_id| item_id.def_id.local_def_index);
      .                       // Foreign items are planted into their parent modules from name resolution point of view.
      6 ( 0.00%)              let tcx = self.tcx;
      .                       let foreign_item_children = md
      .                           .item_ids
      .                           .iter()
    710 ( 0.00%)                  .filter_map(|item_id| match tcx.hir().item(*item_id).kind {
      .                               hir::ItemKind::ForeignMod { items, .. } => {
      .                                   Some(items.iter().map(|fi_ref| fi_ref.id.def_id.local_def_index))
      .                               }
      .                               _ => None,
      .                           })
      .                           .flatten();
      .           
     21 ( 0.00%)              record!(self.tables.children[def_id] <- direct_children.chain(foreign_item_children));
      .                   }
     24 ( 0.00%)      }
      .           
      .               fn encode_field(
      .                   &mut self,
      .                   adt_def: &ty::AdtDef,
      .                   variant_index: VariantIdx,
      .                   field_index: usize,
      .               ) {
      .                   let variant = &adt_def.variants[variant_index];
      .                   let field = &variant.fields[field_index];
      .           
      .                   let def_id = field.did;
      .                   debug!("EncodeContext::encode_field({:?})", def_id);
      .           
      .                   record!(self.tables.kind[def_id] <- EntryKind::Field);
      2 ( 0.00%)          self.encode_ident_span(def_id, field.ident(self.tcx));
      3 ( 0.00%)          self.encode_item_type(def_id);
      .               }
      .           
      .               fn encode_struct_ctor(&mut self, adt_def: &ty::AdtDef, def_id: DefId) {
      .                   debug!("EncodeContext::encode_struct_ctor({:?})", def_id);
      1 ( 0.00%)          let tcx = self.tcx;
      3 ( 0.00%)          let variant = adt_def.non_enum_variant();
      .           
      .                   let data = VariantData {
      1 ( 0.00%)              ctor_kind: variant.ctor_kind,
      .                       discr: variant.discr,
      .                       ctor: Some(def_id.index),
      1 ( 0.00%)              is_non_exhaustive: variant.is_field_list_non_exhaustive(),
      .                   };
      .           
      7 ( 0.00%)          record!(self.tables.kind[def_id] <- EntryKind::Struct(self.lazy(data), adt_def.repr));
      5 ( 0.00%)          self.encode_item_type(def_id);
      1 ( 0.00%)          if variant.ctor_kind == CtorKind::Fn {
      1 ( 0.00%)              record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
      .                   }
      .               }
      .           
      .               fn encode_explicit_item_bounds(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_explicit_item_bounds({:?})", def_id);
      .                   let bounds = self.tcx.explicit_item_bounds(def_id);
      .                   if !bounds.is_empty() {
      .                       record!(self.tables.explicit_item_bounds[def_id] <- bounds);
      .                   }
      .               }
      .           
      .               fn encode_info_for_trait_item(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_info_for_trait_item({:?})", def_id);
      4 ( 0.00%)          let tcx = self.tcx;
      .           
     28 ( 0.00%)          let ast_item = tcx.hir().expect_trait_item(def_id.expect_local());
      .                   let trait_item = tcx.associated_item(def_id);
      .           
     20 ( 0.00%)          let container = match trait_item.defaultness {
      .                       hir::Defaultness::Default { has_value: true } => AssocContainer::TraitWithDefault,
      .                       hir::Defaultness::Default { has_value: false } => AssocContainer::TraitRequired,
      .                       hir::Defaultness::Final => span_bug!(ast_item.span, "traits cannot have final items"),
      .                   };
      .           
     24 ( 0.00%)          match trait_item.kind {
      .                       ty::AssocKind::Const => {
      .                           let rendered = rustc_hir_pretty::to_string(
      .                               &(&self.tcx.hir() as &dyn intravisit::Map<'_>),
      .                               |s| s.print_trait_item(ast_item),
      .                           );
      .                           let rendered_const = self.lazy(RenderedConst(rendered));
      .           
      .                           record!(self.tables.kind[def_id] <- EntryKind::AssocConst(
      .                               container,
      .                               Default::default(),
      .                               rendered_const,
      .                           ));
      .                       }
      .                       ty::AssocKind::Fn => {
      8 ( 0.00%)                  let fn_data = if let hir::TraitItemKind::Fn(m_sig, m) = &ast_item.kind {
      8 ( 0.00%)                      let param_names = match *m {
      .                                   hir::TraitFn::Required(ref names) => self.encode_fn_param_names(names),
      .                                   hir::TraitFn::Provided(body) => self.encode_fn_param_names_for_body(body),
      .                               };
      .                               FnData {
      .                                   asyncness: m_sig.header.asyncness,
      .                                   constness: hir::Constness::NotConst,
      .                                   param_names,
      .                               }
-- line 1209 ----------------------------------------
-- line 1217 ----------------------------------------
      .                           })));
      .                       }
      .                       ty::AssocKind::Type => {
      .                           self.encode_explicit_item_bounds(def_id);
      .                           record!(self.tables.kind[def_id] <- EntryKind::AssocType(container));
      .                       }
      .                   }
      .                   self.encode_ident_span(def_id, ast_item.ident);
     12 ( 0.00%)          match trait_item.kind {
      .                       ty::AssocKind::Const | ty::AssocKind::Fn => {
      .                           self.encode_item_type(def_id);
      .                       }
      .                       ty::AssocKind::Type => {
      .                           if trait_item.defaultness.has_value() {
      .                               self.encode_item_type(def_id);
      .                           }
      .                       }
      .                   }
      4 ( 0.00%)          if trait_item.kind == ty::AssocKind::Fn {
      .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
      .                   }
      .               }
      .           
      .               fn encode_info_for_impl_item(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_info_for_impl_item({:?})", def_id);
    106 ( 0.00%)          let tcx = self.tcx;
      .           
    318 ( 0.00%)          let ast_item = self.tcx.hir().expect_impl_item(def_id.expect_local());
     53 ( 0.00%)          let impl_item = self.tcx.associated_item(def_id);
      .           
    212 ( 0.00%)          let container = match impl_item.defaultness {
      .                       hir::Defaultness::Default { has_value: true } => AssocContainer::ImplDefault,
      .                       hir::Defaultness::Final => AssocContainer::ImplFinal,
      .                       hir::Defaultness::Default { has_value: false } => {
      .                           span_bug!(ast_item.span, "impl items always have values (currently)")
      .                       }
      .                   };
      .           
    318 ( 0.00%)          match impl_item.kind {
      .                       ty::AssocKind::Const => {
      .                           if let hir::ImplItemKind::Const(_, body_id) = ast_item.kind {
      .                               let qualifs = self.tcx.at(ast_item.span).mir_const_qualif(def_id);
      .           
      .                               record!(self.tables.kind[def_id] <- EntryKind::AssocConst(
      .                                   container,
      .                                   qualifs,
      .                                   self.encode_rendered_const_for_body(body_id))
      .                               );
      .                           } else {
      .                               bug!()
      .                           }
      .                       }
      .                       ty::AssocKind::Fn => {
    104 ( 0.00%)                  let fn_data = if let hir::ImplItemKind::Fn(ref sig, body) = ast_item.kind {
      .                               FnData {
      .                                   asyncness: sig.header.asyncness,
      .                                   // Can be inside `impl const Trait`, so using sig.header.constness is not reliable
     52 ( 0.00%)                          constness: if self.tcx.is_const_fn_raw(def_id) {
      .                                       hir::Constness::Const
      .                                   } else {
      .                                       hir::Constness::NotConst
      .                                   },
      .                                   param_names: self.encode_fn_param_names_for_body(body),
      .                               }
      .                           } else {
      .                               bug!()
-- line 1282 ----------------------------------------
-- line 1286 ----------------------------------------
      .                               container,
      .                               has_self: impl_item.fn_has_self_parameter,
      .                           })));
      .                       }
      .                       ty::AssocKind::Type => {
      .                           record!(self.tables.kind[def_id] <- EntryKind::AssocType(container));
      .                       }
      .                   }
    159 ( 0.00%)          self.encode_ident_span(def_id, impl_item.ident(self.tcx));
    265 ( 0.00%)          self.encode_item_type(def_id);
    212 ( 0.00%)          if let Some(trait_item_def_id) = impl_item.trait_item_def_id {
      .                       record!(self.tables.trait_item_def_id[def_id] <- trait_item_def_id);
      .                   }
     53 ( 0.00%)          if impl_item.kind == ty::AssocKind::Fn {
      .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
      .                   }
      .               }
      .           
     24 ( 0.00%)      fn encode_fn_param_names_for_body(&mut self, body_id: hir::BodyId) -> Lazy<[Ident]> {
    379 ( 0.00%)          self.lazy(self.tcx.hir().body_param_names(body_id))
     24 ( 0.00%)      }
      .           
      .               fn encode_fn_param_names(&mut self, param_names: &[Ident]) -> Lazy<[Ident]> {
      .                   self.lazy(param_names.iter())
      .               }
      .           
      .               fn encode_mir(&mut self) {
      3 ( 0.00%)          if self.is_proc_macro {
      .                       return;
      .                   }
      .           
      .                   let keys_and_jobs = self
      .                       .tcx
      .                       .mir_keys(())
      .                       .iter()
      .                       .filter_map(|&def_id| {
    290 ( 0.00%)                  let (encode_const, encode_opt) = should_encode_mir(self.tcx, def_id);
    294 ( 0.00%)                  if encode_const || encode_opt {
     80 ( 0.00%)                      Some((def_id, encode_const, encode_opt))
      .                           } else {
      .                               None
      .                           }
    116 ( 0.00%)              })
      .                       .collect::<Vec<_>>();
    205 ( 0.00%)          for (def_id, encode_const, encode_opt) in keys_and_jobs.into_iter() {
      .                       debug_assert!(encode_const || encode_opt);
      .           
      .                       debug!("EntryBuilder::encode_mir({:?})", def_id);
     40 ( 0.00%)              if encode_opt {
    152 ( 0.00%)                  record!(self.tables.mir[def_id.to_def_id()] <- self.tcx.optimized_mir(def_id));
      .                       }
     40 ( 0.00%)              if encode_const {
     12 ( 0.00%)                  record!(self.tables.mir_for_ctfe[def_id.to_def_id()] <- self.tcx.mir_for_ctfe(def_id));
      .           
      .                           // FIXME(generic_const_exprs): this feels wrong to have in `encode_mir`
      3 ( 0.00%)                  let abstract_const = self.tcx.thir_abstract_const(def_id);
     12 ( 0.00%)                  if let Ok(Some(abstract_const)) = abstract_const {
      .                               record!(self.tables.thir_abstract_consts[def_id.to_def_id()] <- abstract_const);
      .                           }
      .                       }
    160 ( 0.00%)              record!(self.tables.promoted_mir[def_id.to_def_id()] <- self.tcx.promoted_mir(def_id));
      .           
      .                       let instance =
      .                           ty::InstanceDef::Item(ty::WithOptConstParam::unknown(def_id.to_def_id()));
     40 ( 0.00%)              let unused = self.tcx.unused_generic_params(instance);
     40 ( 0.00%)              if !unused.is_empty() {
      .                           record!(self.tables.unused_generic_params[def_id.to_def_id()] <- unused);
      .                       }
      .                   }
      .               }
      .           
      .               fn encode_stability(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_stability({:?})", def_id);
      .           
      .                   // The query lookup can take a measurable amount of time in crates with many items. Check if
      .                   // the stability attributes are even enabled before using their queries.
  2,456 ( 0.00%)          if self.feat.staged_api || self.tcx.sess.opts.debugging_opts.force_unstable_if_unmarked {
      .                       if let Some(stab) = self.tcx.lookup_stability(def_id) {
      .                           record!(self.tables.stability[def_id] <- stab)
      .                       }
      .                   }
      .               }
      .           
      .               fn encode_const_stability(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_const_stability({:?})", def_id);
      .           
      .                   // The query lookup can take a measurable amount of time in crates with many items. Check if
      .                   // the stability attributes are even enabled before using their queries.
  2,149 ( 0.00%)          if self.feat.staged_api || self.tcx.sess.opts.debugging_opts.force_unstable_if_unmarked {
      .                       if let Some(stab) = self.tcx.lookup_const_stability(def_id) {
      .                           record!(self.tables.const_stability[def_id] <- stab)
      .                       }
      .                   }
      .               }
      .           
  1,842 ( 0.00%)      fn encode_deprecation(&mut self, def_id: DefId) {
      .                   debug!("EncodeContext::encode_deprecation({:?})", def_id);
  1,535 ( 0.00%)          if let Some(depr) = self.tcx.lookup_deprecation(def_id) {
      .                       record!(self.tables.deprecation[def_id] <- depr);
      .                   }
  1,535 ( 0.00%)      }
      .           
     12 ( 0.00%)      fn encode_rendered_const_for_body(&mut self, body_id: hir::BodyId) -> Lazy<RenderedConst> {
      6 ( 0.00%)          let hir = self.tcx.hir();
      4 ( 0.00%)          let body = hir.body(body_id);
     16 ( 0.00%)          let rendered = rustc_hir_pretty::to_string(&(&hir as &dyn intravisit::Map<'_>), |s| {
      6 ( 0.00%)              s.print_expr(&body.value)
      .                   });
      4 ( 0.00%)          let rendered_const = &RenderedConst(rendered);
      .                   self.lazy(rendered_const)
     14 ( 0.00%)      }
      .           
    918 ( 0.00%)      fn encode_info_for_item(&mut self, def_id: DefId, item: &'tcx hir::Item<'tcx>) {
      .                   let tcx = self.tcx;
      .           
      .                   debug!("EncodeContext::encode_info_for_item({:?})", def_id);
      .           
      .                   self.encode_ident_span(def_id, item.ident);
      .           
    612 ( 0.00%)          let entry_kind = match item.kind {
      .                       hir::ItemKind::Static(_, hir::Mutability::Mut, _) => EntryKind::MutStatic,
      .                       hir::ItemKind::Static(_, hir::Mutability::Not, _) => EntryKind::ImmStatic,
      .                       hir::ItemKind::Const(_, body_id) => {
      .                           let qualifs = self.tcx.at(item.span).mir_const_qualif(def_id);
      .                           EntryKind::Const(qualifs, self.encode_rendered_const_for_body(body_id))
      .                       }
      6 ( 0.00%)              hir::ItemKind::Fn(ref sig, .., body) => {
      .                           let data = FnData {
      3 ( 0.00%)                      asyncness: sig.header.asyncness,
      3 ( 0.00%)                      constness: sig.header.constness,
      6 ( 0.00%)                      param_names: self.encode_fn_param_names_for_body(body),
      .                           };
      .           
      .                           EntryKind::Fn(self.lazy(data))
      .                       }
      4 ( 0.00%)              hir::ItemKind::Macro(ref macro_def) => {
      .                           EntryKind::MacroDef(self.lazy(macro_def.clone()))
      .                       }
      .                       hir::ItemKind::Mod(ref m) => {
     24 ( 0.00%)                  return self.encode_info_for_mod(item.def_id, m);
      .                       }
      .                       hir::ItemKind::ForeignMod { .. } => EntryKind::ForeignMod,
      .                       hir::ItemKind::GlobalAsm(..) => EntryKind::GlobalAsm,
      .                       hir::ItemKind::TyAlias(..) => EntryKind::Type,
      .                       hir::ItemKind::OpaqueTy(..) => {
      .                           self.encode_explicit_item_bounds(def_id);
      .                           EntryKind::OpaqueTy
      .                       }
      .                       hir::ItemKind::Enum(..) => EntryKind::Enum(self.tcx.adt_def(def_id).repr),
      .                       hir::ItemKind::Struct(ref struct_def, _) => {
      2 ( 0.00%)                  let adt_def = self.tcx.adt_def(def_id);
      3 ( 0.00%)                  let variant = adt_def.non_enum_variant();
      .           
      .                           // Encode def_ids for each field and method
      .                           // for methods, write all the stuff get_trait_method
      .                           // needs to know
      4 ( 0.00%)                  let ctor = struct_def
      .                               .ctor_hir_id()
      4 ( 0.00%)                      .map(|ctor_hir_id| self.tcx.hir().local_def_id(ctor_hir_id).local_def_index);
      .           
      .                           EntryKind::Struct(
      .                               self.lazy(VariantData {
      1 ( 0.00%)                          ctor_kind: variant.ctor_kind,
      4 ( 0.00%)                          discr: variant.discr,
      .                                   ctor,
      .                                   is_non_exhaustive: variant.is_field_list_non_exhaustive(),
      .                               }),
      3 ( 0.00%)                      adt_def.repr,
      .                           )
      .                       }
      .                       hir::ItemKind::Union(..) => {
      .                           let adt_def = self.tcx.adt_def(def_id);
      .                           let variant = adt_def.non_enum_variant();
      .           
      .                           EntryKind::Union(
      .                               self.lazy(VariantData {
-- line 1461 ----------------------------------------
-- line 1462 ----------------------------------------
      .                                   ctor_kind: variant.ctor_kind,
      .                                   discr: variant.discr,
      .                                   ctor: None,
      .                                   is_non_exhaustive: variant.is_field_list_non_exhaustive(),
      .                               }),
      .                               adt_def.repr,
      .                           )
      .                       }
    344 ( 0.00%)              hir::ItemKind::Impl(hir::Impl { defaultness, constness, .. }) => {
    342 ( 0.00%)                  let trait_ref = self.tcx.impl_trait_ref(def_id);
    172 ( 0.00%)                  let polarity = self.tcx.impl_polarity(def_id);
    172 ( 0.00%)                  let parent = if let Some(trait_ref) = trait_ref {
     85 ( 0.00%)                      let trait_def = self.tcx.trait_def(trait_ref.def_id);
    510 ( 0.00%)                      trait_def.ancestors(self.tcx, def_id).ok().and_then(|mut an| {
    510 ( 0.00%)                          an.nth(1).and_then(|node| match node {
      .                                       specialization_graph::Node::Impl(parent) => Some(parent),
      .                                       _ => None,
      .                                   })
      .                               })
      .                           } else {
      .                               None
      .                           };
      .           
      .                           // if this is an impl of `CoerceUnsized`, create its
      .                           // "unsized info", else just store None
      .                           let coerce_unsized_info = trait_ref.and_then(|t| {
    510 ( 0.00%)                      if Some(t.def_id) == self.tcx.lang_items().coerce_unsized_trait() {
      .                                   Some(self.tcx.at(item.span).coerce_unsized_info(def_id))
      .                               } else {
      .                                   None
      .                               }
      .                           });
      .           
      .                           let data = ImplData {
      .                               polarity,
-- line 1496 ----------------------------------------
-- line 1498 ----------------------------------------
      .                               constness,
      .                               parent_impl: parent,
      .                               coerce_unsized_info,
      .                           };
      .           
      .                           EntryKind::Impl(self.lazy(data))
      .                       }
      .                       hir::ItemKind::Trait(..) => {
     12 ( 0.00%)                  let trait_def = self.tcx.trait_def(def_id);
      .                           let data = TraitData {
      6 ( 0.00%)                      unsafety: trait_def.unsafety,
     12 ( 0.00%)                      paren_sugar: trait_def.paren_sugar,
     30 ( 0.00%)                      has_auto_impl: self.tcx.trait_is_auto(def_id),
      6 ( 0.00%)                      is_marker: trait_def.is_marker,
      6 ( 0.00%)                      skip_array_during_method_dispatch: trait_def.skip_array_during_method_dispatch,
      6 ( 0.00%)                      specialization_kind: trait_def.specialization_kind,
      .                               must_implement_one_of: trait_def.must_implement_one_of.clone(),
      .                           };
      .           
      .                           EntryKind::Trait(self.lazy(data))
      .                       }
      .                       hir::ItemKind::TraitAlias(..) => EntryKind::TraitAlias,
      .                       hir::ItemKind::ExternCrate(_) | hir::ItemKind::Use(..) => {
      .                           bug!("cannot encode info for item {:?}", item)
      .                       }
      .                   };
      .                   record!(self.tables.kind[def_id] <- entry_kind);
      .                   // FIXME(eddyb) there should be a nicer way to do this.
    500 ( 0.00%)          match item.kind {
      .                       hir::ItemKind::Enum(..) => record!(self.tables.children[def_id] <-
      .                           self.tcx.adt_def(def_id).variants.iter().map(|v| {
      .                               assert!(v.def_id.is_local());
      .                               v.def_id.index
      .                           })
      .                       ),
      .                       hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) => {
      .                           record!(self.tables.children[def_id] <-
      3 ( 0.00%)                      self.tcx.adt_def(def_id).non_enum_variant().fields.iter().map(|f| {
      1 ( 0.00%)                          assert!(f.did.is_local());
      .                                   f.did.index
      .                               })
      .                           )
      .                       }
      .                       hir::ItemKind::Impl { .. } | hir::ItemKind::Trait(..) => {
    184 ( 0.00%)                  let associated_item_def_ids = self.tcx.associated_item_def_ids(def_id);
      .                           record!(self.tables.children[def_id] <-
      .                               associated_item_def_ids.iter().map(|&def_id| {
     57 ( 0.00%)                          assert!(def_id.is_local());
      .                                   def_id.index
      .                               })
      .                           );
      .                       }
      .                       _ => {}
      .                   }
    293 ( 0.00%)          match item.kind {
      .                       hir::ItemKind::Static(..)
      .                       | hir::ItemKind::Const(..)
      .                       | hir::ItemKind::Fn(..)
      .                       | hir::ItemKind::TyAlias(..)
      .                       | hir::ItemKind::OpaqueTy(..)
      .                       | hir::ItemKind::Enum(..)
      .                       | hir::ItemKind::Struct(..)
      .                       | hir::ItemKind::Union(..)
    360 ( 0.00%)              | hir::ItemKind::Impl { .. } => self.encode_item_type(def_id),
      .                       _ => {}
      .                   }
    290 ( 0.00%)          if let hir::ItemKind::Fn(..) = item.kind {
     12 ( 0.00%)              record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
      .                   }
    203 ( 0.00%)          if let hir::ItemKind::Impl { .. } = item.kind {
    430 ( 0.00%)              if let Some(trait_ref) = self.tcx.impl_trait_ref(def_id) {
    425 ( 0.00%)                  record!(self.tables.impl_trait_ref[def_id] <- trait_ref);
      .                       }
      .                   }
    800 ( 0.00%)      }
      .           
      .               fn encode_info_for_generic_param(&mut self, def_id: DefId, kind: EntryKind, encode_type: bool) {
    435 ( 0.00%)          record!(self.tables.kind[def_id] <- kind);
    143 ( 0.00%)          if encode_type {
      8 ( 0.00%)              self.encode_item_type(def_id);
      .                   }
      .               }
      .           
      .               fn encode_info_for_closure(&mut self, hir_id: hir::HirId) {
      .                   let def_id = self.tcx.hir().local_def_id(hir_id);
      .                   debug!("EncodeContext::encode_info_for_closure({:?})", def_id);
      .           
      .                   // NOTE(eddyb) `tcx.type_of(def_id)` isn't used because it's fully generic,
-- line 1585 ----------------------------------------
-- line 1600 ----------------------------------------
      .                   }
      .                   self.encode_item_type(def_id.to_def_id());
      .                   if let ty::Closure(def_id, substs) = *ty.kind() {
      .                       record!(self.tables.fn_sig[def_id] <- substs.as_closure().sig());
      .                   }
      .               }
      .           
      .               fn encode_info_for_anon_const(&mut self, id: hir::HirId) {
     14 ( 0.00%)          let def_id = self.tcx.hir().local_def_id(id);
      .                   debug!("EncodeContext::encode_info_for_anon_const({:?})", def_id);
     10 ( 0.00%)          let body_id = self.tcx.hir().body_owned_by(id);
      8 ( 0.00%)          let const_data = self.encode_rendered_const_for_body(body_id);
      2 ( 0.00%)          let qualifs = self.tcx.mir_const_qualif(def_id);
      .           
      8 ( 0.00%)          record!(self.tables.kind[def_id.to_def_id()] <- EntryKind::AnonConst(qualifs, const_data));
      8 ( 0.00%)          self.encode_item_type(def_id.to_def_id());
      .               }
      .           
      .               fn encode_native_libraries(&mut self) -> Lazy<[NativeLib]> {
      2 ( 0.00%)          empty_proc_macro!(self);
      2 ( 0.00%)          let used_libraries = self.tcx.native_libraries(LOCAL_CRATE);
      .                   self.lazy(used_libraries.iter())
      .               }
      .           
      .               fn encode_foreign_modules(&mut self) -> Lazy<[ForeignModule]> {
      5 ( 0.00%)          empty_proc_macro!(self);
      2 ( 0.00%)          let foreign_modules = self.tcx.foreign_modules(LOCAL_CRATE);
      .                   self.lazy(foreign_modules.iter().map(|(_, m)| m).cloned())
      .               }
      .           
      .               fn encode_hygiene(&mut self) -> (SyntaxContextTable, ExpnDataTable, ExpnHashTable) {
      .                   let mut syntax_contexts: TableBuilder<_, _> = Default::default();
      .                   let mut expn_data_table: TableBuilder<_, _> = Default::default();
      .                   let mut expn_hash_table: TableBuilder<_, _> = Default::default();
      .           
      2 ( 0.00%)          let _: Result<(), !> = self.hygiene_ctxt.encode(
      8 ( 0.00%)              &mut (&mut *self, &mut syntax_contexts, &mut expn_data_table, &mut expn_hash_table),
      .                       |(this, syntax_contexts, _, _), index, ctxt_data| {
      .                           syntax_contexts.set(index, this.lazy(ctxt_data));
      .                           Ok(())
      .                       },
      .                       |(this, _, expn_data_table, expn_hash_table), index, expn_data, hash| {
      .                           if let Some(index) = index.as_local() {
     64 ( 0.00%)                      expn_data_table.set(index.as_raw(), this.lazy(expn_data));
     64 ( 0.00%)                      expn_hash_table.set(index.as_raw(), this.lazy(hash));
      .                           }
      .                           Ok(())
      .                       },
      .                   );
      .           
      .                   (
      .                       syntax_contexts.encode(&mut self.opaque),
      .                       expn_data_table.encode(&mut self.opaque),
      .                       expn_hash_table.encode(&mut self.opaque),
      .                   )
      .               }
      .           
      .               fn encode_proc_macros(&mut self) -> Option<ProcMacroData> {
      6 ( 0.00%)          let is_proc_macro = self.tcx.sess.crate_types().contains(&CrateType::ProcMacro);
      .                   if is_proc_macro {
      .                       let tcx = self.tcx;
      .                       let hir = tcx.hir();
      .           
      .                       let proc_macro_decls_static = tcx.proc_macro_decls_static(()).unwrap().local_def_index;
      .                       let stability = tcx.lookup_stability(DefId::local(CRATE_DEF_INDEX)).copied();
      .                       let macros =
      .                           self.lazy(tcx.resolutions(()).proc_macros.iter().map(|p| p.local_def_index));
-- line 1666 ----------------------------------------
-- line 1725 ----------------------------------------
      .           
      .                       Some(ProcMacroData { proc_macro_decls_static, stability, macros })
      .                   } else {
      .                       None
      .                   }
      .               }
      .           
      .               fn encode_crate_deps(&mut self) -> Lazy<[CrateDep]> {
      7 ( 0.00%)          empty_proc_macro!(self);
      .           
      1 ( 0.00%)          let deps = self
      .                       .tcx
      .                       .crates(())
      .                       .iter()
      .                       .map(|&cnum| {
      .                           let dep = CrateDep {
      4 ( 0.00%)                      name: self.tcx.crate_name(cnum),
      4 ( 0.00%)                      hash: self.tcx.crate_hash(cnum),
      4 ( 0.00%)                      host_hash: self.tcx.crate_host_hash(cnum),
      4 ( 0.00%)                      kind: self.tcx.dep_kind(cnum),
      4 ( 0.00%)                      extra_filename: self.tcx.extra_filename(cnum),
      .                           };
     20 ( 0.00%)                  (cnum, dep)
      .                       })
      .                       .collect::<Vec<_>>();
      .           
      .                   {
      .                       // Sanity-check the crate numbers
      .                       let mut expected_cnum = 1;
      8 ( 0.00%)              for &(n, _) in &deps {
     10 ( 0.00%)                  assert_eq!(n, CrateNum::new(expected_cnum));
      .                           expected_cnum += 1;
      .                       }
      .                   }
      .           
      .                   // We're just going to write a list of crate 'name-hash-version's, with
      .                   // the assumption that they are numbered 1 to n.
      .                   // FIXME (#2166): This is not nearly enough to support correct versioning
      .                   // but is enough to get transitive crate dependencies working.
      .                   self.lazy(deps.iter().map(|&(_, ref dep)| dep))
      .               }
      .           
      .               fn encode_lib_features(&mut self) -> Lazy<[(Symbol, Option<Symbol>)]> {
      2 ( 0.00%)          empty_proc_macro!(self);
      1 ( 0.00%)          let tcx = self.tcx;
      .                   let lib_features = tcx.lib_features(());
      2 ( 0.00%)          self.lazy(lib_features.to_vec())
      .               }
      .           
      .               fn encode_diagnostic_items(&mut self) -> Lazy<[(Symbol, DefIndex)]> {
      3 ( 0.00%)          empty_proc_macro!(self);
      1 ( 0.00%)          let tcx = self.tcx;
      .                   let diagnostic_items = &tcx.diagnostic_items(LOCAL_CRATE).name_to_id;
      .                   self.lazy(diagnostic_items.iter().map(|(&name, def_id)| (name, def_id.index)))
      .               }
      .           
      .               fn encode_lang_items(&mut self) -> Lazy<[(DefIndex, usize)]> {
      4 ( 0.00%)          empty_proc_macro!(self);
      1 ( 0.00%)          let tcx = self.tcx;
      1 ( 0.00%)          let lang_items = tcx.lang_items();
      2 ( 0.00%)          let lang_items = lang_items.items().iter();
      .                   self.lazy(lang_items.enumerate().filter_map(|(i, &opt_def_id)| {
    568 ( 0.00%)              if let Some(def_id) = opt_def_id {
      .                           if def_id.is_local() {
      .                               return Some((def_id.index, i));
      .                           }
      .                       }
      .                       None
      .                   }))
      .               }
      .           
      .               fn encode_lang_items_missing(&mut self) -> Lazy<[lang_items::LangItem]> {
      2 ( 0.00%)          empty_proc_macro!(self);
      1 ( 0.00%)          let tcx = self.tcx;
      1 ( 0.00%)          self.lazy(&tcx.lang_items().missing)
      .               }
      .           
      .               fn encode_traits(&mut self) -> Lazy<[DefIndex]> {
      3 ( 0.00%)          empty_proc_macro!(self);
      1 ( 0.00%)          self.lazy(self.tcx.traits_in_crate(LOCAL_CRATE).iter().map(|def_id| def_id.index))
      .               }
      .           
      .               /// Encodes an index, mapping each trait to its (local) implementations.
      .               fn encode_impls(&mut self) -> Lazy<[TraitImpls]> {
      .                   debug!("EncodeContext::encode_traits_and_impls()");
      2 ( 0.00%)          empty_proc_macro!(self);
      2 ( 0.00%)          let tcx = self.tcx;
      5 ( 0.00%)          let mut visitor = ImplsVisitor { tcx, impls: FxHashMap::default() };
      4 ( 0.00%)          tcx.hir().visit_all_item_likes(&mut visitor);
      .           
      .                   let mut all_impls: Vec<_> = visitor.impls.into_iter().collect();
      .           
      .                   // Bring everything into deterministic order for hashing
     16 ( 0.00%)          all_impls.sort_by_cached_key(|&(trait_def_id, _)| tcx.def_path_hash(trait_def_id));
      .           
      .                   let all_impls: Vec<_> = all_impls
      .                       .into_iter()
    240 ( 0.00%)              .map(|(trait_def_id, mut impls)| {
      .                           // Bring everything into deterministic order for hashing
      3 ( 0.00%)                  impls.sort_by_cached_key(|&(index, _)| {
     72 ( 0.00%)                      tcx.hir().def_path_hash(LocalDefId { local_def_index: index })
      .                           });
      .           
     64 ( 0.00%)                  TraitImpls {
      .                               trait_id: (trait_def_id.krate.as_u32(), trait_def_id.index),
     48 ( 0.00%)                      impls: self.lazy(&impls),
      .                           }
    128 ( 0.00%)              })
      .                       .collect();
      .           
      .                   self.lazy(&all_impls)
      .               }
      .           
      .               // Encodes all symbols exported from this crate into the metadata.
      .               //
      .               // This pass is seeded off the reachability list calculated in the
      .               // middle::reachable module but filters out items that either don't have a
      .               // symbol associated with them (they weren't translated) or if they're an FFI
      .               // definition (as that's not defined in this crate).
      .               fn encode_exported_symbols(
      .                   &mut self,
      .                   exported_symbols: &[(ExportedSymbol<'tcx>, SymbolExportLevel)],
      .               ) -> Lazy<[(ExportedSymbol<'tcx>, SymbolExportLevel)]> {
      2 ( 0.00%)          empty_proc_macro!(self);
      .                   // The metadata symbol name is special. It should not show up in
      .                   // downstream crates.
      9 ( 0.00%)          let metadata_symbol_name = SymbolName::new(self.tcx, &metadata_symbol_name(self.tcx));
      .           
      .                   self.lazy(
      .                       exported_symbols
      .                           .iter()
     36 ( 0.00%)                  .filter(|&&(ref exported_symbol, _)| match *exported_symbol {
      .                               ExportedSymbol::NoDefId(symbol_name) => symbol_name != metadata_symbol_name,
      .                               _ => true,
      .                           })
      .                           .cloned(),
      .                   )
      .               }
      .           
      .               fn encode_dylib_dependency_formats(&mut self) -> Lazy<[Option<LinkagePreference>]> {
      2 ( 0.00%)          empty_proc_macro!(self);
      2 ( 0.00%)          let formats = self.tcx.dependency_formats(());
      4 ( 0.00%)          for (ty, arr) in formats.iter() {
      2 ( 0.00%)              if *ty != CrateType::Dylib {
      .                           continue;
      .                       }
      .                       return self.lazy(arr.iter().map(|slot| match *slot {
      .                           Linkage::NotLinked | Linkage::IncludedFromDylib => None,
      .           
      .                           Linkage::Dynamic => Some(LinkagePreference::RequireDynamic),
      .                           Linkage::Static => Some(LinkagePreference::RequireStatic),
      .                       }));
-- line 1876 ----------------------------------------
-- line 1914 ----------------------------------------
      .               }
      .           }
      .           
      .           // FIXME(eddyb) make metadata encoding walk over all definitions, instead of HIR.
      .           impl<'a, 'tcx> Visitor<'tcx> for EncodeContext<'a, 'tcx> {
      .               type NestedFilter = nested_filter::OnlyBodies;
      .           
      .               fn nested_visit_map(&mut self) -> Self::Map {
     57 ( 0.00%)          self.tcx.hir()
      .               }
  4,887 ( 0.00%)      fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) {
    543 ( 0.00%)          intravisit::walk_expr(self, ex);
      .                   self.encode_info_for_expr(ex);
  4,344 ( 0.00%)      }
     18 ( 0.00%)      fn visit_anon_const(&mut self, c: &'tcx AnonConst) {
      .                   intravisit::walk_anon_const(self, c);
      4 ( 0.00%)          self.encode_info_for_anon_const(c.hir_id);
     16 ( 0.00%)      }
      .               fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
    429 ( 0.00%)          intravisit::walk_item(self, item);
    286 ( 0.00%)          match item.kind {
      .                       hir::ItemKind::ExternCrate(_) | hir::ItemKind::Use(..) => {} // ignore these
    408 ( 0.00%)              _ => self.encode_info_for_item(item.def_id.to_def_id(), item),
      .                   }
    572 ( 0.00%)          self.encode_addl_info_for_item(item);
      .               }
      .               fn visit_foreign_item(&mut self, ni: &'tcx hir::ForeignItem<'tcx>) {
      .                   intravisit::walk_foreign_item(self, ni);
      .                   self.encode_info_for_foreign_item(ni.def_id.to_def_id(), ni);
      .               }
  1,377 ( 0.00%)      fn visit_generics(&mut self, generics: &'tcx hir::Generics<'tcx>) {
      .                   intravisit::walk_generics(self, generics);
      .                   self.encode_info_for_generics(generics);
  1,224 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
      7 ( 0.00%)      fn encode_fields(&mut self, adt_def: &ty::AdtDef) {
      .                   for (variant_index, variant) in adt_def.variants.iter_enumerated() {
      .                       for (field_index, _field) in variant.fields.iter().enumerate() {
      .                           self.encode_field(adt_def, variant_index, field_index);
      .                       }
      .                   }
      8 ( 0.00%)      }
      .           
      .               fn encode_info_for_generics(&mut self, generics: &hir::Generics<'tcx>) {
      .                   for param in generics.params {
    882 ( 0.00%)              let def_id = self.tcx.hir().local_def_id(param.hir_id);
    943 ( 0.00%)              match param.kind {
      .                           GenericParamKind::Lifetime { .. } => continue,
      .                           GenericParamKind::Type { default, .. } => {
      .                               self.encode_info_for_generic_param(
      .                                   def_id.to_def_id(),
      .                                   EntryKind::TypeParam,
      .                                   default.is_some(),
      .                               );
      .                           }
      .                           GenericParamKind::Const { ref default, .. } => {
      .                               let def_id = def_id.to_def_id();
      .                               self.encode_info_for_generic_param(def_id, EntryKind::ConstParam, true);
      2 ( 0.00%)                      if default.is_some() {
      .                                   record!(self.tables.const_defaults[def_id] <- self.tcx.const_param_default(def_id))
      .                               }
      .                           }
      .                       }
      .                   }
      .               }
      .           
      .               fn encode_info_for_expr(&mut self, expr: &hir::Expr<'_>) {
  1,086 ( 0.00%)          if let hir::ExprKind::Closure(..) = expr.kind {
      .                       self.encode_info_for_closure(expr.hir_id);
      .                   }
      .               }
      .           
      .               fn encode_ident_span(&mut self, def_id: DefId, ident: Ident) {
      .                   record!(self.tables.ident_span[def_id] <- ident.span);
      .               }
      .           
      .               /// In some cases, along with the item itself, we also
      .               /// encode some sub-items. Usually we want some info from the item
      .               /// so it's easier to do that here then to wait until we would encounter
      .               /// normally in the visitor walk.
  1,287 ( 0.00%)      fn encode_addl_info_for_item(&mut self, item: &hir::Item<'_>) {
    715 ( 0.00%)          match item.kind {
      .                       hir::ItemKind::Static(..)
      .                       | hir::ItemKind::Const(..)
      .                       | hir::ItemKind::Fn(..)
      .                       | hir::ItemKind::Macro(..)
      .                       | hir::ItemKind::Mod(..)
      .                       | hir::ItemKind::ForeignMod { .. }
      .                       | hir::ItemKind::GlobalAsm(..)
      .                       | hir::ItemKind::ExternCrate(..)
-- line 2005 ----------------------------------------
-- line 2017 ----------------------------------------
      .                               self.encode_enum_variant_info(def, i);
      .           
      .                               if let Some(_ctor_def_id) = variant.ctor_def_id {
      .                                   self.encode_enum_variant_ctor(def, i);
      .                               }
      .                           }
      .                       }
      .                       hir::ItemKind::Struct(ref struct_def, _) => {
      1 ( 0.00%)                  let def = self.tcx.adt_def(item.def_id.to_def_id());
      2 ( 0.00%)                  self.encode_fields(def);
      .           
      .                           // If the struct has a constructor, encode it.
      4 ( 0.00%)                  if let Some(ctor_hir_id) = struct_def.ctor_hir_id() {
      6 ( 0.00%)                      let ctor_def_id = self.tcx.hir().local_def_id(ctor_hir_id);
      .                               self.encode_struct_ctor(def, ctor_def_id.to_def_id());
      .                           }
      .                       }
      .                       hir::ItemKind::Union(..) => {
      .                           let def = self.tcx.adt_def(item.def_id.to_def_id());
      .                           self.encode_fields(def);
      .                       }
      .                       hir::ItemKind::Impl { .. } => {
    212 ( 0.00%)                  for &trait_item_def_id in
     86 ( 0.00%)                      self.tcx.associated_item_def_ids(item.def_id.to_def_id()).iter()
      .                           {
      .                               self.encode_info_for_impl_item(trait_item_def_id);
      .                           }
      .                       }
      .                       hir::ItemKind::Trait(..) => {
     18 ( 0.00%)                  for &item_def_id in self.tcx.associated_item_def_ids(item.def_id.to_def_id()).iter()
      .                           {
      .                               self.encode_info_for_trait_item(item_def_id);
      .                           }
      .                       }
      .                   }
  1,144 ( 0.00%)      }
      .           }
      .           
      .           struct ImplsVisitor<'tcx> {
      .               tcx: TyCtxt<'tcx>,
      .               impls: FxHashMap<DefId, Vec<(DefIndex, Option<SimplifiedType>)>>,
      .           }
      .           
      .           impl<'tcx, 'v> ItemLikeVisitor<'v> for ImplsVisitor<'tcx> {
  1,001 ( 0.00%)      fn visit_item(&mut self, item: &hir::Item<'_>) {
    286 ( 0.00%)          match item.kind {
      .                       hir::ItemKind::Impl(..) => {
    342 ( 0.00%)                  if let Some(trait_ref) = self.tcx.impl_trait_ref(item.def_id.to_def_id()) {
    510 ( 0.00%)                      let simplified_self_ty = fast_reject::simplify_type(
      .                                   self.tcx,
      .                                   trait_ref.self_ty(),
      .                                   SimplifyParams::No,
      .                                   StripReferences::No,
      .                               );
      .           
      .                               self.impls
      .                                   .entry(trait_ref.def_id)
      .                                   .or_default()
      .                                   .push((item.def_id.local_def_index, simplified_self_ty));
      .                           }
      .                       }
      .                       _ => {}
      .                   }
  1,144 ( 0.00%)      }
      .           
      .               fn visit_trait_item(&mut self, _trait_item: &'v hir::TraitItem<'v>) {}
      .           
      .               fn visit_impl_item(&mut self, _impl_item: &'v hir::ImplItem<'v>) {
      .                   // handled in `visit_item` above
      .               }
      .           
      .               fn visit_foreign_item(&mut self, _foreign_item: &'v hir::ForeignItem<'v>) {}
-- line 2088 ----------------------------------------
-- line 2146 ----------------------------------------
      .               }
      .           
      .               #[inline]
      .               pub fn raw_data(&self) -> &[u8] {
      .                   &self.raw_data
      .               }
      .           }
      .           
     10 ( 0.00%)  pub fn encode_metadata(tcx: TyCtxt<'_>) -> EncodedMetadata {
      5 ( 0.00%)      let _prof_timer = tcx.prof.verbose_generic_activity("generate_crate_metadata");
      .           
      .               // Since encoding metadata is not in a query, and nothing is cached,
      .               // there's no need to do dep-graph tracking for any of it.
      .               tcx.dep_graph.assert_ignored();
      .           
      7 ( 0.00%)      join(
      3 ( 0.00%)          || encode_metadata_impl(tcx),
      .                   || {
      5 ( 0.00%)              if tcx.sess.threads() == 1 {
      .                           return;
      .                       }
      .                       // Prefetch some queries used by metadata encoding.
      .                       // This is not necessary for correctness, but is only done for performance reasons.
      .                       // It can be removed if it turns out to cause trouble or be detrimental to performance.
      .                       join(|| prefetch_mir(tcx), || tcx.exported_symbols(LOCAL_CRATE));
      .                   },
      .               )
      .               .0
      9 ( 0.00%)  }
      .           
      9 ( 0.00%)  fn encode_metadata_impl(tcx: TyCtxt<'_>) -> EncodedMetadata {
      1 ( 0.00%)      let mut encoder = opaque::Encoder::new(vec![]);
      .               encoder.emit_raw_bytes(METADATA_HEADER).unwrap();
      .           
      .               // Will be filled with the root position after encoding everything.
      .               encoder.emit_raw_bytes(&[0, 0, 0, 0]).unwrap();
      .           
      2 ( 0.00%)      let source_map_files = tcx.sess.source_map().files();
      3 ( 0.00%)      let source_file_cache = (source_map_files[0].clone(), 0);
      2 ( 0.00%)      let required_source_files = Some(GrowableBitSet::with_capacity(source_map_files.len()));
      .               drop(source_map_files);
      .           
      .               let hygiene_ctxt = HygieneEncodeContext::default();
      .           
     35 ( 0.00%)      let mut ecx = EncodeContext {
      4 ( 0.00%)          opaque: encoder,
      .                   tcx,
      2 ( 0.00%)          feat: tcx.features(),
      .                   tables: Default::default(),
      .                   lazy_state: LazyState::NoNode,
      .                   type_shorthands: Default::default(),
      .                   predicate_shorthands: Default::default(),
      4 ( 0.00%)          source_file_cache,
      .                   interpret_allocs: Default::default(),
      4 ( 0.00%)          required_source_files,
      2 ( 0.00%)          is_proc_macro: tcx.sess.crate_types().contains(&CrateType::ProcMacro),
      .                   hygiene_ctxt: &hygiene_ctxt,
      .               };
      .           
      .               // Encode the rustc version string in a predictable location.
      .               rustc_version().encode(&mut ecx).unwrap();
      .           
      .               // Encode all the entries and extra information in the crate,
      .               // culminating in the `CrateRoot` which points to all of it.
      1 ( 0.00%)      let root = ecx.encode_crate_root();
      .           
      7 ( 0.00%)      let mut result = ecx.opaque.into_inner();
      .           
      .               // Encode the root position.
      .               let header = METADATA_HEADER.len();
      .               let pos = root.position.get();
      3 ( 0.00%)      result[header + 0] = (pos >> 24) as u8;
      3 ( 0.00%)      result[header + 1] = (pos >> 16) as u8;
      1 ( 0.00%)      result[header + 2] = (pos >> 8) as u8;
      5 ( 0.00%)      result[header + 3] = (pos >> 0) as u8;
      .           
      .               // Record metadata size for self-profiling
      .               tcx.prof.artifact_size("crate_metadata", "crate_metadata", result.len() as u64);
      .           
      5 ( 0.00%)      EncodedMetadata { raw_data: result }
     12 ( 0.00%)  }
      .           
      .           pub fn provide(providers: &mut Providers) {
      2 ( 0.00%)      *providers = Providers {
      .                   traits_in_crate: |tcx, cnum| {
      1 ( 0.00%)              assert_eq!(cnum, LOCAL_CRATE);
      .           
      1 ( 0.00%)              #[derive(Default)]
      .                       struct TraitsVisitor {
      .                           traits: Vec<DefId>,
      .                       }
      .                       impl ItemLikeVisitor<'_> for TraitsVisitor {
      .                           fn visit_item(&mut self, item: &hir::Item<'_>) {
    572 ( 0.00%)                      if let hir::ItemKind::Trait(..) | hir::ItemKind::TraitAlias(..) = item.kind {
      6 ( 0.00%)                          self.traits.push(item.def_id.to_def_id());
      .                               }
      .                           }
      .                           fn visit_trait_item(&mut self, _trait_item: &hir::TraitItem<'_>) {}
      .                           fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem<'_>) {}
      .                           fn visit_foreign_item(&mut self, _foreign_item: &hir::ForeignItem<'_>) {}
      .                       }
      .           
      .                       let mut visitor = TraitsVisitor::default();
      4 ( 0.00%)              tcx.hir().visit_all_item_likes(&mut visitor);
      .                       // Bring everything into deterministic order.
      6 ( 0.00%)              visitor.traits.sort_by_cached_key(|&def_id| tcx.def_path_hash(def_id));
      .                       tcx.arena.alloc_slice(&visitor.traits)
      .                   },
      .           
      .                   ..*providers
      .               };
      .           }

 38,997 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/encoder.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 111 ----------------------------------------
        .           const EMPTY: u8 = 0b1111_1111;
        .           
        .           /// Control byte value for a deleted bucket.
        .           const DELETED: u8 = 0b1000_0000;
        .           
        .           /// Checks whether a control byte represents a full bucket (top bit is clear).
        .           #[inline]
        .           fn is_full(ctrl: u8) -> bool {
  427,631 ( 0.07%)      ctrl & 0x80 == 0
        .           }
        .           
        .           /// Checks whether a control byte represents a special value (top bit is set).
        .           #[inline]
        .           fn is_special(ctrl: u8) -> bool {
        .               ctrl & 0x80 != 0
        .           }
        .           
        .           /// Checks whether a special control value is EMPTY (just check 1 bit).
        .           #[inline]
        .           fn special_is_empty(ctrl: u8) -> bool {
        .               debug_assert!(is_special(ctrl));
   30,449 ( 0.01%)      ctrl & 0x01 != 0
        .           }
        .           
        .           /// Primary hash function, used to select the initial bucket to probe from.
        .           #[inline]
        .           #[allow(clippy::cast_possible_truncation)]
        .           fn h1(hash: u64) -> usize {
        .               // On 32-bit platforms we simply ignore the higher hash bits.
        .               hash as usize
-- line 140 ----------------------------------------
-- line 143 ----------------------------------------
        .           /// Secondary hash function, saved in the low 7 bits of the control byte.
        .           #[inline]
        .           #[allow(clippy::cast_possible_truncation)]
        .           fn h2(hash: u64) -> u8 {
        .               // Grab the top 7 bits of the hash. While the hash is normally a full 64-bit
        .               // value, some hash functions (such as FxHash) produce a usize result
        .               // instead, which means that the top 32 bits are 0 on 32-bit platforms.
        .               let hash_len = usize::min(mem::size_of::<usize>(), mem::size_of::<u64>());
3,725,251 ( 0.64%)      let top7 = hash >> (hash_len * 8 - 7);
        .               (top7 & 0x7f) as u8 // truncation
        .           }
        .           
        .           /// Probe sequence based on triangular numbers, which is guaranteed (since our
        .           /// table size is a power of two) to visit every group of elements exactly once.
        .           ///
        .           /// A triangular probe has us jump by 1 more group every time. So first we
        .           /// jump by 1 group (meaning we just continue our linear scan), then 2 groups
-- line 159 ----------------------------------------
-- line 170 ----------------------------------------
        .               #[inline]
        .               fn move_next(&mut self, bucket_mask: usize) {
        .                   // We should have found an empty bucket by now and ended the probe.
        .                   debug_assert!(
        .                       self.stride <= bucket_mask,
        .                       "Went past end of probe sequence"
        .                   );
        .           
   45,978 ( 0.01%)          self.stride += Group::WIDTH;
   45,978 ( 0.01%)          self.pos += self.stride;
   36,736 ( 0.01%)          self.pos &= bucket_mask;
        .               }
        .           }
        .           
        .           /// Returns the number of buckets needed to hold the given number of items,
        .           /// taking the maximum load factor into account.
        .           ///
        .           /// Returns `None` if an overflow occurs.
        .           // Workaround for emscripten bug emscripten-core/emscripten-fastcomp#258
        .           #[cfg_attr(target_os = "emscripten", inline(never))]
        .           #[cfg_attr(not(target_os = "emscripten"), inline)]
        .           fn capacity_to_buckets(cap: usize) -> Option<usize> {
        .               debug_assert_ne!(cap, 0);
        .           
        .               // For small tables we require at least 1 empty bucket so that lookups are
        .               // guaranteed to terminate if an element doesn't exist in the table.
   22,796 ( 0.00%)      if cap < 8 {
        .                   // We don't bother with a table size of 2 buckets since that can only
        .                   // hold a single element. Instead we skip directly to a 4 bucket table
        .                   // which can hold 3 elements.
   46,805 ( 0.01%)          return Some(if cap < 4 { 4 } else { 8 });
        .               }
        .           
        .               // Otherwise require 1/8 buckets to be empty (87.5% load)
        .               //
        .               // Be careful when modifying this, calculate_layout relies on the
        .               // overflow check here.
   12,222 ( 0.00%)      let adjusted_cap = cap.checked_mul(8)? / 7;
        .           
        .               // Any overflows will have been caught by the checked_mul. Also, any
        .               // rounding errors from the division above will be cleaned up by
        .               // next_power_of_two (which can't overflow because of the previous division).
        .               Some(adjusted_cap.next_power_of_two())
        .           }
        .           
        .           /// Returns the maximum effective capacity for the given bucket mask, taking
        .           /// the maximum load factor into account.
        .           #[inline]
        .           fn bucket_mask_to_capacity(bucket_mask: usize) -> usize {
   58,229 ( 0.01%)      if bucket_mask < 8 {
        .                   // For tables with 1/2/4/8 buckets, we always reserve one empty slot.
        .                   // Keep in mind that the bucket mask is one less than the bucket count.
        .                   bucket_mask
        .               } else {
        .                   // For larger tables we reserve 12.5% of the slots as empty.
   15,354 ( 0.00%)          ((bucket_mask + 1) / 8) * 7
        .               }
        .           }
        .           
        .           /// Helper which allows the max calculation for ctrl_align to be statically computed for each T
        .           /// while keeping the rest of `calculate_layout_for` independent of `T`
        .           #[derive(Copy, Clone)]
        .           struct TableLayout {
        .               size: usize,
-- line 233 ----------------------------------------
-- line 246 ----------------------------------------
        .           
        .               #[inline]
        .               fn calculate_layout_for(self, buckets: usize) -> Option<(Layout, usize)> {
        .                   debug_assert!(buckets.is_power_of_two());
        .           
        .                   let TableLayout { size, ctrl_align } = self;
        .                   // Manual layout calculation since Layout methods are not yet stable.
        .                   let ctrl_offset =
   46,591 ( 0.01%)              size.checked_mul(buckets)?.checked_add(ctrl_align - 1)? & !(ctrl_align - 1);
   62,176 ( 0.01%)          let len = ctrl_offset.checked_add(buckets + Group::WIDTH)?;
        .           
        .                   Some((
        .                       unsafe { Layout::from_size_align_unchecked(len, ctrl_align) },
        .                       ctrl_offset,
        .                   ))
        .               }
        .           }
        .           
-- line 263 ----------------------------------------
-- line 337 ----------------------------------------
        .                   }
        .               }
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub unsafe fn drop(&self) {
        .                   self.as_ptr().drop_in_place();
        .               }
        .               #[inline]
        .               pub unsafe fn read(&self) -> T {
       26 ( 0.00%)          self.as_ptr().read()
        .               }
        .               #[inline]
        .               pub unsafe fn write(&self, val: T) {
        .                   self.as_ptr().write(val);
        .               }
        .               #[inline]
        .               pub unsafe fn as_ref<'a>(&self) -> &'a T {
        .                   &*self.as_ptr()
-- line 353 ----------------------------------------
-- line 422 ----------------------------------------
        .               /// Creates a new empty hash table without allocating any memory, using the
        .               /// given allocator.
        .               ///
        .               /// In effect this returns a table with exactly 1 bucket. However we can
        .               /// leave the data pointer dangling since that bucket is never written to
        .               /// due to our load factor forcing us to always have at least 1 free bucket.
        .               #[inline]
        .               pub fn new_in(alloc: A) -> Self {
      162 ( 0.00%)          Self {
        .                       table: RawTableInner::new_in(alloc),
        .                       marker: PhantomData,
        .                   }
        .               }
        .           
        .               /// Allocates a new hash table with the given number of buckets.
        .               ///
        .               /// The control bytes are left uninitialized.
-- line 438 ----------------------------------------
-- line 440 ----------------------------------------
        .               unsafe fn new_uninitialized(
        .                   alloc: A,
        .                   buckets: usize,
        .                   fallibility: Fallibility,
        .               ) -> Result<Self, TryReserveError> {
        .                   debug_assert!(buckets.is_power_of_two());
        .           
        .                   Ok(Self {
       15 ( 0.00%)              table: RawTableInner::new_uninitialized(
        .                           alloc,
        .                           TableLayout::new::<T>(),
        .                           buckets,
        .                           fallibility,
        .                       )?,
        .                       marker: PhantomData,
        .                   })
        .               }
-- line 456 ----------------------------------------
-- line 458 ----------------------------------------
        .               /// Attempts to allocate a new hash table with at least enough capacity
        .               /// for inserting the given number of elements without reallocating.
        .               fn fallible_with_capacity(
        .                   alloc: A,
        .                   capacity: usize,
        .                   fallibility: Fallibility,
        .               ) -> Result<Self, TryReserveError> {
        .                   Ok(Self {
    1,539 ( 0.00%)              table: RawTableInner::fallible_with_capacity(
        .                           alloc,
        .                           TableLayout::new::<T>(),
        .                           capacity,
        .                           fallibility,
        .                       )?,
        .                       marker: PhantomData,
        .                   })
        .               }
-- line 474 ----------------------------------------
-- line 527 ----------------------------------------
        .                   debug_assert_ne!(self.table.bucket_mask, 0);
        .                   debug_assert!(index < self.buckets());
        .                   Bucket::from_base_index(self.data_end(), index)
        .               }
        .           
        .               /// Erases an element from the table without dropping it.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[deprecated(since = "0.8.1", note = "use erase or remove instead")]
    2,593 ( 0.00%)      pub unsafe fn erase_no_drop(&mut self, item: &Bucket<T>) {
    2,593 ( 0.00%)          let index = self.bucket_index(item);
        .                   self.table.erase(index);
    5,186 ( 0.00%)      }
        .           
        .               /// Erases an element from the table, dropping it in place.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[allow(clippy::needless_pass_by_value)]
        .               #[allow(deprecated)]
        .               pub unsafe fn erase(&mut self, item: Bucket<T>) {
        .                   // Erase the element from the table first since drop might panic.
      502 ( 0.00%)          self.erase_no_drop(&item);
        .                   item.drop();
        .               }
        .           
        .               /// Finds and erases an element from the table, dropping it in place.
        .               /// Returns true if an element was found.
        .               #[cfg(feature = "raw")]
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn erase_entry(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> bool {
-- line 554 ----------------------------------------
-- line 563 ----------------------------------------
        .                   }
        .               }
        .           
        .               /// Removes an element from the table, returning it.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[allow(clippy::needless_pass_by_value)]
        .               #[allow(deprecated)]
        .               pub unsafe fn remove(&mut self, item: Bucket<T>) -> T {
    4,684 ( 0.00%)          self.erase_no_drop(&item);
       25 ( 0.00%)          item.read()
        .               }
        .           
        .               /// Finds and removes an element from the table, returning it.
        .               #[cfg_attr(feature = "inline-more", inline)]
  116,183 ( 0.02%)      pub fn remove_entry(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<T> {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
      568 ( 0.00%)          match self.find(hash, eq) {
      748 ( 0.00%)              Some(bucket) => Some(unsafe { self.remove(bucket) }),
   14,228 ( 0.00%)              None => None,
        .                   }
  167,870 ( 0.03%)      }
        .           
        .               /// Marks all table buckets as empty without dropping their contents.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn clear_no_drop(&mut self) {
        .                   self.table.clear_no_drop();
        .               }
        .           
        .               /// Removes all elements from the table without freeing the backing memory.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn clear(&mut self) {
        .                   // Ensure that the table is reset even if one of the drops panic
        .                   let mut self_ = guard(self, |self_| self_.clear_no_drop());
        .                   unsafe {
        1 ( 0.00%)              self_.drop_elements();
        .                   }
        .               }
        .           
        7 ( 0.00%)      unsafe fn drop_elements(&mut self) {
    2,256 ( 0.00%)          if mem::needs_drop::<T>() && !self.is_empty() {
        .                       for item in self.iter() {
        .                           item.drop();
        .                       }
        .                   }
        8 ( 0.00%)      }
        .           
        .               /// Shrinks the table to fit `max(self.len(), min_size)` elements.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn shrink_to(&mut self, min_size: usize, hasher: impl Fn(&T) -> u64) {
        .                   // Calculate the minimal number of elements that we need to reserve
        .                   // space for.
        .                   let min_size = usize::max(self.table.items, min_size);
        .                   if min_size == 0 {
-- line 615 ----------------------------------------
-- line 642 ----------------------------------------
        .                       }
        .                   }
        .               }
        .           
        .               /// Ensures that at least `additional` items can be inserted into the table
        .               /// without reallocation.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn reserve(&mut self, additional: usize, hasher: impl Fn(&T) -> u64) {
   71,902 ( 0.01%)          if additional > self.table.growth_left {
        .                       // Avoid `Result::unwrap_or_else` because it bloats LLVM IR.
   38,101 ( 0.01%)              if self
        .                           .reserve_rehash(additional, hasher, Fallibility::Infallible)
        .                           .is_err()
        .                       {
        .                           unsafe { hint::unreachable_unchecked() }
        .                       }
        .                   }
        .               }
        .           
-- line 660 ----------------------------------------
-- line 671 ----------------------------------------
        .                   } else {
        .                       Ok(())
        .                   }
        .               }
        .           
        .               /// Out-of-line slow path for `reserve` and `try_reserve`.
        .               #[cold]
        .               #[inline(never)]
   92,073 ( 0.02%)      fn reserve_rehash(
        .                   &mut self,
        .                   additional: usize,
        .                   hasher: impl Fn(&T) -> u64,
        .                   fallibility: Fallibility,
        .               ) -> Result<(), TryReserveError> {
        .                   unsafe {
        .                       self.table.reserve_rehash_inner(
        .                           additional,
-- line 687 ----------------------------------------
-- line 690 ----------------------------------------
        .                           TableLayout::new::<T>(),
        .                           if mem::needs_drop::<T>() {
        .                               Some(mem::transmute(ptr::drop_in_place::<T> as unsafe fn(*mut T)))
        .                           } else {
        .                               None
        .                           },
        .                       )
        .                   }
   61,296 ( 0.01%)      }
        .           
        .               /// Allocates a new table of a different size and moves the contents of the
        .               /// current table into it.
        .               fn resize(
        .                   &mut self,
        .                   capacity: usize,
        .                   hasher: impl Fn(&T) -> u64,
        .                   fallibility: Fallibility,
-- line 706 ----------------------------------------
-- line 714 ----------------------------------------
        .                       )
        .                   }
        .               }
        .           
        .               /// Inserts a new element into the table, and returns its raw bucket.
        .               ///
        .               /// This does not check if the given element already exists in the table.
        .               #[cfg_attr(feature = "inline-more", inline)]
  702,244 ( 0.12%)      pub fn insert(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> Bucket<T> {
        .                   unsafe {
        .                       let mut index = self.table.find_insert_slot(hash);
        .           
        .                       // We can avoid growing the table once we have reached our load
        .                       // factor if we are replacing a tombstone. This works since the
        .                       // number of EMPTY slots does not change in this case.
      872 ( 0.00%)              let old_ctrl = *self.table.ctrl(index);
  387,415 ( 0.07%)              if unlikely(self.table.growth_left == 0 && special_is_empty(old_ctrl)) {
        .                           self.reserve(1, hasher);
        .                           index = self.table.find_insert_slot(hash);
        .                       }
        .           
        .                       self.table.record_item_insert_at(index, old_ctrl, hash);
        .           
        .                       let bucket = self.bucket(index);
        4 ( 0.00%)              bucket.write(value);
        .                       bucket
        .                   }
  512,669 ( 0.09%)      }
        .           
        .               /// Attempts to insert a new element without growing the table and return its raw bucket.
        .               ///
        .               /// Returns an `Err` containing the given element if inserting it would require growing the
        .               /// table.
        .               ///
        .               /// This does not check if the given element already exists in the table.
        .               #[cfg(feature = "raw")]
-- line 749 ----------------------------------------
-- line 760 ----------------------------------------
        .                       }
        .                   }
        .               }
        .           
        .               /// Inserts a new element into the table, and returns a mutable reference to it.
        .               ///
        .               /// This does not check if the given element already exists in the table.
        .               #[cfg_attr(feature = "inline-more", inline)]
   89,448 ( 0.02%)      pub fn insert_entry(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> &mut T {
       16 ( 0.00%)          unsafe { self.insert(hash, value, hasher).as_mut() }
   67,086 ( 0.01%)      }
        .           
        .               /// Inserts a new element into the table, without growing the table.
        .               ///
        .               /// There must be enough space in the table to insert the new element.
        .               ///
        .               /// This does not check if the given element already exists in the table.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[cfg(any(feature = "raw", feature = "rustc-internal-api"))]
       68 ( 0.00%)      pub unsafe fn insert_no_grow(&mut self, hash: u64, value: T) -> Bucket<T> {
   89,503 ( 0.02%)          let (index, old_ctrl) = self.table.prepare_insert_slot(hash);
    1,075 ( 0.00%)          let bucket = self.table.bucket(index);
        .           
        .                   // If we are replacing a DELETED entry then we don't need to update
        .                   // the load counter.
  183,398 ( 0.03%)          self.table.growth_left -= special_is_empty(old_ctrl) as usize;
        .           
        .                   bucket.write(value);
  145,985 ( 0.03%)          self.table.items += 1;
        .                   bucket
      121 ( 0.00%)      }
        .           
        .               /// Temporary removes a bucket, applying the given function to the removed
        .               /// element and optionally put back the returned value in the same bucket.
        .               ///
        .               /// Returns `true` if the bucket still contains an element
        .               ///
        .               /// This does not check if the given bucket is actually occupied.
        .               #[cfg_attr(feature = "inline-more", inline)]
-- line 798 ----------------------------------------
-- line 813 ----------------------------------------
        .                       true
        .                   } else {
        .                       false
        .                   }
        .               }
        .           
        .               /// Searches for an element in the table.
        .               #[inline]
    5,169 ( 0.00%)      pub fn find(&self, hash: u64, mut eq: impl FnMut(&T) -> bool) -> Option<Bucket<T>> {
      521 ( 0.00%)          let result = self.table.find_inner(hash, &mut |index| unsafe {
    2,684 ( 0.00%)              eq(self.bucket(index).as_ref())
       17 ( 0.00%)          });
        .           
        .                   // Avoid `Option::map` because it bloats LLVM IR.
        .                   match result {
       22 ( 0.00%)              Some(index) => Some(unsafe { self.bucket(index) }),
        .                       None => None,
        .                   }
    5,840 ( 0.00%)      }
        .           
        .               /// Gets a reference to an element in the table.
        .               #[inline]
        .               pub fn get(&self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<&T> {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
    3,543 ( 0.00%)          match self.find(hash, eq) {
        .                       Some(bucket) => Some(unsafe { bucket.as_ref() }),
        .                       None => None,
        .                   }
        .               }
        .           
        .               /// Gets a mutable reference to an element in the table.
        .               #[inline]
       91 ( 0.00%)      pub fn get_mut(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<&mut T> {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
    2,243 ( 0.00%)          match self.find(hash, eq) {
        .                       Some(bucket) => Some(unsafe { bucket.as_mut() }),
        .                       None => None,
        .                   }
      104 ( 0.00%)      }
        .           
        .               /// Attempts to get mutable references to `N` entries in the table at once.
        .               ///
        .               /// Returns an array of length `N` with the results of each query.
        .               ///
        .               /// At most one mutable reference will be returned to any entry. `None` will be returned if any
        .               /// of the hashes are duplicates. `None` will be returned if the hash is not found.
        .               ///
-- line 859 ----------------------------------------
-- line 920 ----------------------------------------
        .               #[inline]
        .               pub fn len(&self) -> usize {
        .                   self.table.items
        .               }
        .           
        .               /// Returns `true` if the table contains no elements.
        .               #[inline]
        .               pub fn is_empty(&self) -> bool {
  113,320 ( 0.02%)          self.len() == 0
        .               }
        .           
        .               /// Returns the number of buckets in the table.
        .               #[inline]
        .               pub fn buckets(&self) -> usize {
        .                   self.table.bucket_mask + 1
        .               }
        .           
-- line 936 ----------------------------------------
-- line 938 ----------------------------------------
        .               /// the caller to ensure that the `RawTable` outlives the `RawIter`.
        .               /// Because we cannot make the `next` method unsafe on the `RawIter`
        .               /// struct, we have to make the `iter` method unsafe.
        .               #[inline]
        .               pub unsafe fn iter(&self) -> RawIter<T> {
        .                   let data = Bucket::from_base_index(self.data_end(), 0);
        .                   RawIter {
        .                       iter: RawIterRange::new(self.table.ctrl.as_ptr(), data, self.table.buckets()),
   14,856 ( 0.00%)              items: self.table.items,
        .                   }
        .               }
        .           
        .               /// Returns an iterator over occupied buckets that could match a given hash.
        .               ///
        .               /// `RawTable` only stores 7 bits of the hash value, so this iterator may
        .               /// return items that have a hash value different than the one provided. You
        .               /// should always validate the returned values before using them.
-- line 954 ----------------------------------------
-- line 995 ----------------------------------------
        .               /// Iteration starts at the provided iterator's current location.
        .               ///
        .               /// It is up to the caller to ensure that the iterator is valid for this
        .               /// `RawTable` and covers all items that remain in the table.
        .               pub unsafe fn into_iter_from(self, iter: RawIter<T>) -> RawIntoIter<T, A> {
        .                   debug_assert_eq!(iter.len(), self.len());
        .           
        .                   let alloc = self.table.alloc.clone();
    1,748 ( 0.00%)          let allocation = self.into_allocation();
    1,311 ( 0.00%)          RawIntoIter {
    2,185 ( 0.00%)              iter,
        .                       allocation,
        .                       marker: PhantomData,
        .                       alloc,
        .                   }
        .               }
        .           
        .               /// Converts the table into a raw allocation. The contents of the table
        .               /// should be dropped using a `RawIter` before freeing the allocation.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub(crate) fn into_allocation(self) -> Option<(NonNull<u8>, Layout)> {
      752 ( 0.00%)          let alloc = if self.table.is_empty_singleton() {
        .                       None
        .                   } else {
        .                       // Avoid `Option::unwrap_or_else` because it bloats LLVM IR.
        .                       let (layout, ctrl_offset) = match calculate_layout::<T>(self.table.buckets()) {
        .                           Some(lco) => lco,
        .                           None => unsafe { hint::unreachable_unchecked() },
        .                       };
        .                       Some((
      174 ( 0.00%)                  unsafe { NonNull::new_unchecked(self.table.ctrl.as_ptr().sub(ctrl_offset)) },
        .                           layout,
        .                       ))
        .                   };
        .                   mem::forget(self);
        .                   alloc
        .               }
        .           }
        .           
-- line 1033 ----------------------------------------
-- line 1042 ----------------------------------------
        .               T: Sync,
        .               A: Sync,
        .           {
        .           }
        .           
        .           impl<A> RawTableInner<A> {
        .               #[inline]
        .               const fn new_in(alloc: A) -> Self {
  112,284 ( 0.02%)          Self {
        .                       // Be careful to cast the entire slice to a raw pointer.
        .                       ctrl: unsafe { NonNull::new_unchecked(Group::static_empty() as *const _ as *mut u8) },
        .                       bucket_mask: 0,
        .                       items: 0,
        .                       growth_left: 0,
        .                       alloc,
        .                   }
        .               }
        .           }
        .           
        .           impl<A: Allocator + Clone> RawTableInner<A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
   82,842 ( 0.01%)      unsafe fn new_uninitialized(
        .                   alloc: A,
        .                   table_layout: TableLayout,
        .                   buckets: usize,
        .                   fallibility: Fallibility,
        .               ) -> Result<Self, TryReserveError> {
        .                   debug_assert!(buckets.is_power_of_two());
        .           
        .                   // Avoid `Option::ok_or_else` because it bloats LLVM IR.
-- line 1071 ----------------------------------------
-- line 1078 ----------------------------------------
        .                   // exceed `isize::MAX`. We can skip this check on 64-bit systems since
        .                   // such allocations will never succeed anyways.
        .                   //
        .                   // This mirrors what Vec does in the standard library.
        .                   if mem::size_of::<usize>() < 8 && layout.size() > isize::MAX as usize {
        .                       return Err(fallibility.capacity_overflow());
        .                   }
        .           
   18,944 ( 0.00%)          let ptr: NonNull<u8> = match do_alloc(&alloc, layout) {
        .                       Ok(block) => block.cast(),
        .                       Err(_) => return Err(fallibility.alloc_err(layout)),
        .                   };
        .           
        .                   let ctrl = NonNull::new_unchecked(ptr.as_ptr().add(ctrl_offset));
   46,872 ( 0.01%)          Ok(Self {
        .                       ctrl,
   19,213 ( 0.00%)              bucket_mask: buckets - 1,
        .                       items: 0,
        .                       growth_left: bucket_mask_to_capacity(buckets - 1),
        .                       alloc,
        .                   })
   60,436 ( 0.01%)      }
        .           
        .               #[inline]
    4,893 ( 0.00%)      fn fallible_with_capacity(
        .                   alloc: A,
        .                   table_layout: TableLayout,
        .                   capacity: usize,
        .                   fallibility: Fallibility,
        .               ) -> Result<Self, TryReserveError> {
    1,266 ( 0.00%)          if capacity == 0 {
    1,238 ( 0.00%)              Ok(Self::new_in(alloc))
        .                   } else {
        .                       unsafe {
        .                           let buckets =
        .                               capacity_to_buckets(capacity).ok_or_else(|| fallibility.capacity_overflow())?;
        .           
   37,987 ( 0.01%)                  let result = Self::new_uninitialized(alloc, table_layout, buckets, fallibility)?;
        .                           result.ctrl(0).write_bytes(EMPTY, result.num_ctrl_bytes());
        .           
    2,244 ( 0.00%)                  Ok(result)
        .                       }
        .                   }
    4,893 ( 0.00%)      }
        .           
        .               /// Searches for an empty or deleted bucket which is suitable for inserting
        .               /// a new element and sets the hash for that slot.
        .               ///
        .               /// There must be at least 1 empty bucket in the table.
        .               #[inline]
   30,396 ( 0.01%)      unsafe fn prepare_insert_slot(&self, hash: u64) -> (usize, u8) {
        .                   let index = self.find_insert_slot(hash);
   30,396 ( 0.01%)          let old_ctrl = *self.ctrl(index);
        .                   self.set_ctrl_h2(index, hash);
        .                   (index, old_ctrl)
   60,792 ( 0.01%)      }
        .           
        .               /// Searches for an empty or deleted bucket which is suitable for inserting
        .               /// a new element.
        .               ///
        .               /// There must be at least 1 empty bucket in the table.
        .               #[inline]
        .               fn find_insert_slot(&self, hash: u64) -> usize {
        .                   let mut probe_seq = self.probe_seq(hash);
        .                   loop {
        .                       unsafe {
        .                           let group = Group::load(self.ctrl(probe_seq.pos));
  276,196 ( 0.05%)                  if let Some(bit) = group.match_empty_or_deleted().lowest_set_bit() {
  804,056 ( 0.14%)                      let result = (probe_seq.pos + bit) & self.bucket_mask;
        .           
        .                               // In tables smaller than the group width, trailing control
        .                               // bytes outside the range of the table are filled with
        .                               // EMPTY entries. These will unfortunately trigger a
        .                               // match, but once masked may point to a full bucket that
        .                               // is already occupied. We detect this situation here and
        .                               // perform a second scan starting at the beginning of the
        .                               // table. This second scan is guaranteed to find an empty
        .                               // slot (due to the load factor) before hitting the trailing
        .                               // control bytes (containing EMPTY).
  364,821 ( 0.06%)                      if unlikely(is_full(*self.ctrl(result))) {
        .                                   debug_assert!(self.bucket_mask < Group::WIDTH);
        .                                   debug_assert_ne!(probe_seq.pos, 0);
        .                                   return Group::load_aligned(self.ctrl(0))
        .                                       .match_empty_or_deleted()
        .                                       .lowest_set_bit_nonzero();
        .                               }
        .           
        .                               return result;
-- line 1165 ----------------------------------------
-- line 1171 ----------------------------------------
        .           
        .               /// Searches for an element in the table. This uses dynamic dispatch to reduce the amount of
        .               /// code generated, but it is eliminated by LLVM optimizations.
        .               #[inline]
        .               fn find_inner(&self, hash: u64, eq: &mut dyn FnMut(usize) -> bool) -> Option<usize> {
        .                   let h2_hash = h2(hash);
        .                   let mut probe_seq = self.probe_seq(hash);
        .           
   13,204 ( 0.00%)          loop {
        .                       let group = unsafe { Group::load(self.ctrl(probe_seq.pos)) };
        .           
  519,847 ( 0.09%)              for bit in group.match_byte(h2_hash) {
  834,476 ( 0.14%)                  let index = (probe_seq.pos + bit) & self.bucket_mask;
        .           
  600,044 ( 0.10%)                  if likely(eq(index)) {
        .                               return Some(index);
        .                           }
        .                       }
        .           
  208,762 ( 0.04%)              if likely(group.match_empty().any_bit_set()) {
        .                           return None;
        .                       }
        .           
        .                       probe_seq.move_next(self.bucket_mask);
        .                   }
        .               }
        .           
        .               #[allow(clippy::mut_mut)]
-- line 1198 ----------------------------------------
-- line 1225 ----------------------------------------
        .                   Bucket::from_base_index(self.data_end(), index)
        .               }
        .           
        .               #[inline]
        .               unsafe fn bucket_ptr(&self, index: usize, size_of: usize) -> *mut u8 {
        .                   debug_assert_ne!(self.bucket_mask, 0);
        .                   debug_assert!(index < self.buckets());
        .                   let base: *mut u8 = self.data_end().as_ptr();
1,057,472 ( 0.18%)          base.sub((index + 1) * size_of)
        .               }
        .           
        .               #[inline]
        .               unsafe fn data_end<T>(&self) -> NonNull<T> {
        .                   NonNull::new_unchecked(self.ctrl.as_ptr().cast())
        .               }
        .           
        .               /// Returns an iterator-like object for a probe sequence on the table.
        .               ///
        .               /// This iterator never terminates, but is guaranteed to visit each bucket
        .               /// group exactly once. The loop using `probe_seq` must terminate upon
        .               /// reaching a group containing an empty bucket.
        .               #[inline]
        .               fn probe_seq(&self, hash: u64) -> ProbeSeq {
        .                   ProbeSeq {
3,598,050 ( 0.62%)              pos: h1(hash) & self.bucket_mask,
        .                       stride: 0,
        .                   }
        .               }
        .           
        .               /// Returns the index of a bucket for which a value must be inserted if there is enough rooom
        .               /// in the table, otherwise returns error
        .               #[cfg(feature = "raw")]
        .               #[inline]
-- line 1257 ----------------------------------------
-- line 1263 ----------------------------------------
        .                   } else {
        .                       self.record_item_insert_at(index, old_ctrl, hash);
        .                       Ok(index)
        .                   }
        .               }
        .           
        .               #[inline]
        .               unsafe fn record_item_insert_at(&mut self, index: usize, old_ctrl: u8, hash: u64) {
  484,276 ( 0.08%)          self.growth_left -= special_is_empty(old_ctrl) as usize;
        .                   self.set_ctrl_h2(index, hash);
  387,408 ( 0.07%)          self.items += 1;
        .               }
        .           
        .               #[inline]
        .               fn is_in_same_group(&self, i: usize, new_i: usize, hash: u64) -> bool {
        .                   let probe_seq_pos = self.probe_seq(hash).pos;
        .                   let probe_index =
        .                       |pos: usize| (pos.wrapping_sub(probe_seq_pos) & self.bucket_mask) / Group::WIDTH;
        .                   probe_index(i) == probe_index(new_i)
-- line 1281 ----------------------------------------
-- line 1312 ----------------------------------------
        .                   // replicate the buckets at the end of the trailing group. For example
        .                   // with 2 buckets and a group size of 4, the control bytes will look
        .                   // like this:
        .                   //
        .                   //     Real    |             Replicated
        .                   // ---------------------------------------------
        .                   // | [A] | [B] | [EMPTY] | [EMPTY] | [A] | [B] |
        .                   // ---------------------------------------------
  778,733 ( 0.13%)          let index2 = ((index.wrapping_sub(Group::WIDTH)) & self.bucket_mask) + Group::WIDTH;
        .           
  259,485 ( 0.04%)          *self.ctrl(index) = ctrl;
  259,827 ( 0.04%)          *self.ctrl(index2) = ctrl;
        .               }
        .           
        .               /// Returns a pointer to a control byte.
        .               #[inline]
        .               unsafe fn ctrl(&self, index: usize) -> *mut u8 {
        .                   debug_assert!(index < self.num_ctrl_bytes());
        .                   self.ctrl.as_ptr().add(index)
        .               }
        .           
        .               #[inline]
        .               fn buckets(&self) -> usize {
   49,422 ( 0.01%)          self.bucket_mask + 1
        .               }
        .           
        .               #[inline]
        .               fn num_ctrl_bytes(&self) -> usize {
   43,252 ( 0.01%)          self.bucket_mask + 1 + Group::WIDTH
        .               }
        .           
        .               #[inline]
        .               fn is_empty_singleton(&self) -> bool {
  231,287 ( 0.04%)          self.bucket_mask == 0
        .               }
        .           
        .               #[allow(clippy::mut_mut)]
        .               #[inline]
        .               unsafe fn prepare_resize(
        .                   &self,
        .                   table_layout: TableLayout,
        .                   capacity: usize,
        .                   fallibility: Fallibility,
        .               ) -> Result<crate::scopeguard::ScopeGuard<Self, impl FnMut(&mut Self)>, TryReserveError> {
        .                   debug_assert!(self.items <= capacity);
        .           
        .                   // Allocate and initialize the new table.
      702 ( 0.00%)          let mut new_table = RawTableInner::fallible_with_capacity(
        .                       self.alloc.clone(),
        .                       table_layout,
        .                       capacity,
        .                       fallibility,
        .                   )?;
   24,255 ( 0.00%)          new_table.growth_left -= self.items;
        .                   new_table.items = self.items;
        .           
        .                   // The hash function may panic, in which case we simply free the new
        .                   // table without dropping any elements that may have been copied into
        .                   // it.
        .                   //
        .                   // This guard is also used to free the old table on success, see
        .                   // the comment at the bottom of this function.
        .                   Ok(guard(new_table, move |self_| {
   11,258 ( 0.00%)              if !self_.is_empty_singleton() {
        .                           self_.free_buckets(table_layout);
        .                       }
        .                   }))
        .               }
        .           
        .               /// Reserves or rehashes to make room for `additional` more elements.
        .               ///
        .               /// This uses dynamic dispatch to reduce the amount of
-- line 1383 ----------------------------------------
-- line 1388 ----------------------------------------
        .                   &mut self,
        .                   additional: usize,
        .                   hasher: &dyn Fn(&mut Self, usize) -> u64,
        .                   fallibility: Fallibility,
        .                   layout: TableLayout,
        .                   drop: Option<fn(*mut u8)>,
        .               ) -> Result<(), TryReserveError> {
        .                   // Avoid `Option::ok_or_else` because it bloats LLVM IR.
   22,516 ( 0.00%)          let new_items = match self.items.checked_add(additional) {
        .                       Some(new_items) => new_items,
        .                       None => return Err(fallibility.capacity_overflow()),
        .                   };
   22,516 ( 0.00%)          let full_capacity = bucket_mask_to_capacity(self.bucket_mask);
   46,861 ( 0.01%)          if new_items <= full_capacity / 2 {
        .                       // Rehash in-place without re-allocating if we have plenty of spare
        .                       // capacity that is locked up due to DELETED entries.
        .                       self.rehash_in_place(hasher, layout.size, drop);
        .                       Ok(())
        .                   } else {
        .                       // Otherwise, conservatively resize to at least the next size up
        .                       // to avoid churning deletes into frequent rehashes.
        .                       self.resize_inner(
   11,258 ( 0.00%)                  usize::max(new_items, full_capacity + 1),
        .                           hasher,
        .                           fallibility,
        .                           layout,
        .                       )
        .                   }
        .               }
        .           
        .               /// Allocates a new table of a different size and moves the contents of the
-- line 1418 ----------------------------------------
-- line 1424 ----------------------------------------
        .               #[inline(always)]
        .               unsafe fn resize_inner(
        .                   &mut self,
        .                   capacity: usize,
        .                   hasher: &dyn Fn(&mut Self, usize) -> u64,
        .                   fallibility: Fallibility,
        .                   layout: TableLayout,
        .               ) -> Result<(), TryReserveError> {
    1,742 ( 0.00%)          let mut new_table = self.prepare_resize(layout, capacity, fallibility)?;
        .           
        .                   // Copy all elements to the new table.
        .                   for i in 0..self.buckets() {
  159,662 ( 0.03%)              if !is_full(*self.ctrl(i)) {
        .                           continue;
        .                       }
        .           
        .                       // This may panic.
        .                       let hash = hasher(self, i);
        .           
        .                       // We can use a simpler version of insert() here since:
        .                       // - there are no DELETED entries.
-- line 1444 ----------------------------------------
-- line 1454 ----------------------------------------
        .                   }
        .           
        .                   // We successfully copied all elements without panicking. Now replace
        .                   // self with the new table. The old table will have its memory freed but
        .                   // the items will not be dropped (since they have been moved into the
        .                   // new table).
        .                   mem::swap(self, &mut new_table);
        .           
   11,258 ( 0.00%)          Ok(())
        .               }
        .           
        .               /// Rehashes the contents of the table in place (i.e. without changing the
        .               /// allocation).
        .               ///
        .               /// If `hasher` panics then some the table's contents may be lost.
        .               ///
        .               /// This uses dynamic dispatch to reduce the amount of
-- line 1470 ----------------------------------------
-- line 1554 ----------------------------------------
        .               #[inline]
        .               unsafe fn free_buckets(&mut self, table_layout: TableLayout) {
        .                   // Avoid `Option::unwrap_or_else` because it bloats LLVM IR.
        .                   let (layout, ctrl_offset) = match table_layout.calculate_layout_for(self.buckets()) {
        .                       Some(lco) => lco,
        .                       None => hint::unreachable_unchecked(),
        .                   };
        .                   self.alloc.deallocate(
    6,943 ( 0.00%)              NonNull::new_unchecked(self.ctrl.as_ptr().sub(ctrl_offset)),
        .                       layout,
        .                   );
        .               }
        .           
        .               /// Marks all table buckets as empty without dropping their contents.
        .               #[inline]
        .               fn clear_no_drop(&mut self) {
      966 ( 0.00%)          if !self.is_empty_singleton() {
        .                       unsafe {
        .                           self.ctrl(0).write_bytes(EMPTY, self.num_ctrl_bytes());
        .                       }
        .                   }
    1,346 ( 0.00%)          self.items = 0;
      966 ( 0.00%)          self.growth_left = bucket_mask_to_capacity(self.bucket_mask);
        .               }
        .           
        .               #[inline]
        .               unsafe fn erase(&mut self, index: usize) {
        .                   debug_assert!(is_full(*self.ctrl(index)));
   25,215 ( 0.00%)          let index_before = index.wrapping_sub(Group::WIDTH) & self.bucket_mask;
        .                   let empty_before = Group::load(self.ctrl(index_before)).match_empty();
        .                   let empty_after = Group::load(self.ctrl(index)).match_empty();
        .           
        .                   // If we are inside a continuous block of Group::WIDTH full or deleted
        .                   // cells then a probe window may have seen a full block when trying to
        .                   // insert. We therefore need to keep that block non-empty so that
        .                   // lookups will continue searching to the next probe window.
        .                   //
        .                   // Note that in this context `leading_zeros` refers to the bytes at the
        .                   // end of a group, while `trailing_zeros` refers to the bytes at the
        .                   // beginning of a group.
  100,860 ( 0.02%)          let ctrl = if empty_before.leading_zeros() + empty_after.trailing_zeros() >= Group::WIDTH {
        .                       DELETED
        .                   } else {
  126,075 ( 0.02%)              self.growth_left += 1;
        .                       EMPTY
        .                   };
        .                   self.set_ctrl(index, ctrl);
  100,860 ( 0.02%)          self.items -= 1;
        .               }
        .           }
        .           
        .           impl<T: Clone, A: Allocator + Clone> Clone for RawTable<T, A> {
      448 ( 0.00%)      fn clone(&self) -> Self {
       57 ( 0.00%)          if self.table.is_empty_singleton() {
        .                       Self::new_in(self.table.alloc.clone())
        .                   } else {
        .                       unsafe {
        .                           let mut new_table = ManuallyDrop::new(
        .                               // Avoid `Result::ok_or_else` because it bloats LLVM IR.
        .                               match Self::new_uninitialized(
        .                                   self.table.alloc.clone(),
        .                                   self.table.buckets(),
-- line 1615 ----------------------------------------
-- line 1624 ----------------------------------------
        .                               // We need to free the memory allocated for the new table.
        .                               new_table.free_buckets();
        .                           });
        .           
        .                           // Return the newly created table.
        .                           ManuallyDrop::into_inner(new_table)
        .                       }
        .                   }
      504 ( 0.00%)      }
        .           
        .               fn clone_from(&mut self, source: &Self) {
        .                   if source.table.is_empty_singleton() {
        .                       *self = Self::new_in(self.table.alloc.clone());
        .                   } else {
        .                       unsafe {
        .                           // First, drop all our elements without clearing the control bytes.
        .                           self.drop_elements();
-- line 1640 ----------------------------------------
-- line 1687 ----------------------------------------
        .                       .table
        .                       .ctrl(0)
        .                       .copy_to_nonoverlapping(self.table.ctrl(0), self.table.num_ctrl_bytes());
        .                   source
        .                       .data_start()
        .                       .copy_to_nonoverlapping(self.data_start(), self.table.buckets());
        .           
        .                   self.table.items = source.table.items;
        6 ( 0.00%)          self.table.growth_left = source.table.growth_left;
        .               }
        .           }
        .           
        .           impl<T: Clone, A: Allocator + Clone> RawTable<T, A> {
        .               /// Common code for clone and clone_from. Assumes `self.buckets() == source.buckets()`.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               unsafe fn clone_from_impl(&mut self, source: &Self, mut on_panic: impl FnMut(&mut Self)) {
        .                   // Copy the control bytes unchanged. We do this in a single pass
-- line 1703 ----------------------------------------
-- line 1790 ----------------------------------------
        .               fn default() -> Self {
        .                   Self::new_in(Default::default())
        .               }
        .           }
        .           
        .           #[cfg(feature = "nightly")]
        .           unsafe impl<#[may_dangle] T, A: Allocator + Clone> Drop for RawTable<T, A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
  120,225 ( 0.02%)      fn drop(&mut self) {
  100,957 ( 0.02%)          if !self.table.is_empty_singleton() {
        .                       unsafe {
        .                           self.drop_elements();
        .                           self.free_buckets();
        .                       }
        .                   }
  129,964 ( 0.02%)      }
        .           }
        .           #[cfg(not(feature = "nightly"))]
        .           impl<T, A: Allocator + Clone> Drop for RawTable<T, A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn drop(&mut self) {
        .                   if !self.table.is_empty_singleton() {
        .                       unsafe {
        .                           self.drop_elements();
-- line 1813 ----------------------------------------
-- line 1817 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<T, A: Allocator + Clone> IntoIterator for RawTable<T, A> {
        .               type Item = T;
        .               type IntoIter = RawIntoIter<T, A>;
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
    1,748 ( 0.00%)      fn into_iter(self) -> RawIntoIter<T, A> {
        .                   unsafe {
        .                       let iter = self.iter();
        .                       self.into_iter_from(iter)
        .                   }
    2,185 ( 0.00%)      }
        .           }
        .           
        .           /// Iterator over a sub-range of a table. Unlike `RawIter` this iterator does
        .           /// not track an item count.
        .           pub(crate) struct RawIterRange<T> {
        .               // Mask of full buckets in the current group. Bits are cleared from this
        .               // mask as each element is processed.
        .               current_group: BitMask,
-- line 1838 ----------------------------------------
-- line 1934 ----------------------------------------
        .           
        .           impl<T> Iterator for RawIterRange<T> {
        .               type Item = Bucket<T>;
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn next(&mut self) -> Option<Bucket<T>> {
        .                   unsafe {
        .                       loop {
   37,025 ( 0.01%)                  if let Some(index) = self.current_group.lowest_set_bit() {
    5,437 ( 0.00%)                      self.current_group = self.current_group.remove_lowest_bit();
    7,994 ( 0.00%)                      return Some(self.data.next_n(index));
        .                           }
        .           
   29,752 ( 0.01%)                  if self.next_ctrl >= self.end {
        .                               return None;
        .                           }
        .           
        .                           // We might read past self.end up to the next group boundary,
        .                           // but this is fine because it only occurs on tables smaller
        .                           // than the group size where the trailing control bytes are all
        .                           // EMPTY. On larger tables self.end is guaranteed to be aligned
        .                           // to the group size (since tables are power-of-two sized).
    1,291 ( 0.00%)                  self.current_group = Group::load_aligned(self.next_ctrl).match_full();
      512 ( 0.00%)                  self.data = self.data.next_n(Group::WIDTH);
    3,109 ( 0.00%)                  self.next_ctrl = self.next_ctrl.add(Group::WIDTH);
        .                       }
        .                   }
        .               }
        .           
        .               #[inline]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
        .                   // We don't have an item count, so just guess based on the range size.
        .                   (
-- line 1966 ----------------------------------------
-- line 2102 ----------------------------------------
        .                           }
        .                       } else {
        .                           // We must have already iterated past the removed item.
        .                       }
        .                   }
        .               }
        .           
        .               unsafe fn drop_elements(&mut self) {
      401 ( 0.00%)          if mem::needs_drop::<T>() && self.len() != 0 {
        .                       for item in self {
        .                           item.drop();
        .                       }
        .                   }
        .               }
        .           }
        .           
        .           impl<T> Clone for RawIter<T> {
-- line 2118 ----------------------------------------
-- line 2124 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl<T> Iterator for RawIter<T> {
        .               type Item = Bucket<T>;
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
    5,635 ( 0.00%)      fn next(&mut self) -> Option<Bucket<T>> {
   14,110 ( 0.00%)          if let Some(b) = self.iter.next() {
   41,490 ( 0.01%)              self.items -= 1;
        .                       Some(b)
        .                   } else {
        .                       // We don't check against items == 0 here to allow the
        .                       // compiler to optimize away the item count entirely if the
        .                       // iterator length is never queried.
        .                       debug_assert_eq!(self.items, 0);
        .                       None
        .                   }
   11,270 ( 0.00%)      }
        .           
        .               #[inline]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
        .                   (self.items, Some(self.items))
        .               }
        .           }
        .           
        .           impl<T> ExactSizeIterator for RawIter<T> {}
-- line 2151 ----------------------------------------
-- line 2177 ----------------------------------------
        .               T: Sync,
        .               A: Sync,
        .           {
        .           }
        .           
        .           #[cfg(feature = "nightly")]
        .           unsafe impl<#[may_dangle] T, A: Allocator + Clone> Drop for RawIntoIter<T, A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
      888 ( 0.00%)      fn drop(&mut self) {
        .                   unsafe {
        .                       // Drop all remaining elements
        .                       self.iter.drop_elements();
        .           
        .                       // Free the table
    3,457 ( 0.00%)              if let Some((ptr, layout)) = self.allocation {
        .                           self.alloc.deallocate(ptr, layout);
        .                       }
        .                   }
       48 ( 0.00%)      }
        .           }
        .           #[cfg(not(feature = "nightly"))]
        .           impl<T, A: Allocator + Clone> Drop for RawIntoIter<T, A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn drop(&mut self) {
        .                   unsafe {
        .                       // Drop all remaining elements
        .                       self.iter.drop_elements();
-- line 2203 ----------------------------------------
-- line 2209 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl<T, A: Allocator + Clone> Iterator for RawIntoIter<T, A> {
        .               type Item = T;
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
      330 ( 0.00%)      fn next(&mut self) -> Option<T> {
       93 ( 0.00%)          unsafe { Some(self.iter.next()?.read()) }
      823 ( 0.00%)      }
        .           
        .               #[inline]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
        3 ( 0.00%)          self.iter.size_hint()
        .               }
        .           }
        .           
        .           impl<T, A: Allocator + Clone> ExactSizeIterator for RawIntoIter<T, A> {}
        .           impl<T, A: Allocator + Clone> FusedIterator for RawIntoIter<T, A> {}
        .           
        .           /// Iterator which consumes elements without freeing the table storage.
        .           pub struct RawDrain<'a, T, A: Allocator + Clone = Global> {
-- line 2231 ----------------------------------------
-- line 2259 ----------------------------------------
        .           where
        .               T: Sync,
        .               A: Sync,
        .           {
        .           }
        .           
        .           impl<T, A: Allocator + Clone> Drop for RawDrain<'_, T, A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
      144 ( 0.00%)      fn drop(&mut self) {
        .                   unsafe {
        .                       // Drop all remaining elements. Note that this may panic.
        .                       self.iter.drop_elements();
        .           
        .                       // Reset the contents of the table now that all elements have been
        .                       // dropped.
        .                       self.table.clear_no_drop();
        .           
        .                       // Move the now empty table back to its original location.
       18 ( 0.00%)              self.orig_table
        .                           .as_ptr()
        .                           .copy_from_nonoverlapping(&*self.table, 1);
        .                   }
      144 ( 0.00%)      }
        .           }
        .           
        .           impl<T, A: Allocator + Clone> Iterator for RawDrain<'_, T, A> {
        .               type Item = T;
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn next(&mut self) -> Option<T> {
        .                   unsafe {
-- line 2289 ----------------------------------------

1,960,730 ( 0.34%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs
--------------------------------------------------------------------------------
Ir                 

-- line 14 ----------------------------------------
        .           
        .           pub type EncodeResult = Result<(), !>;
        .           
        .           pub struct Encoder {
        .               pub data: Vec<u8>,
        .           }
        .           
        .           impl Encoder {
        1 ( 0.00%)      pub fn new(data: Vec<u8>) -> Encoder {
        4 ( 0.00%)          Encoder { data }
        1 ( 0.00%)      }
        .           
        1 ( 0.00%)      pub fn into_inner(self) -> Vec<u8> {
        4 ( 0.00%)          self.data
        1 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn position(&self) -> usize {
    5,183 ( 0.00%)          self.data.len()
        .               }
        .           }
        .           
        .           macro_rules! write_leb128 {
        .               ($enc:expr, $value:expr, $int_ty:ty, $fun:ident) => {{
        .                   const MAX_ENCODED_LEN: usize = max_leb128_len!($int_ty);
        .                   let old_len = $enc.data.len();
        .           
-- line 40 ----------------------------------------
-- line 67 ----------------------------------------
        .           
        .               #[inline]
        .               fn emit_unit(&mut self) -> EncodeResult {
        .                   Ok(())
        .               }
        .           
        .               #[inline]
        .               fn emit_usize(&mut self, v: usize) -> EncodeResult {
  260,401 ( 0.04%)          write_leb128!(self, v, usize, write_usize_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u128(&mut self, v: u128) -> EncodeResult {
      882 ( 0.00%)          write_leb128!(self, v, u128, write_u128_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u64(&mut self, v: u64) -> EncodeResult {
      357 ( 0.00%)          write_leb128!(self, v, u64, write_u64_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u32(&mut self, v: u32) -> EncodeResult {
  481,521 ( 0.08%)          write_leb128!(self, v, u32, write_u32_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u16(&mut self, v: u16) -> EncodeResult {
        .                   self.data.extend_from_slice(&v.to_le_bytes());
        .                   Ok(())
        .               }
        .           
-- line 98 ----------------------------------------
-- line 131 ----------------------------------------
        .               #[inline]
        .               fn emit_i8(&mut self, v: i8) -> EncodeResult {
        .                   let as_u8: u8 = unsafe { std::mem::transmute(v) };
        .                   self.emit_u8(as_u8)
        .               }
        .           
        .               #[inline]
        .               fn emit_bool(&mut self, v: bool) -> EncodeResult {
    1,978 ( 0.00%)          self.emit_u8(if v { 1 } else { 0 })
        .               }
        .           
        .               #[inline]
        .               fn emit_f64(&mut self, v: f64) -> EncodeResult {
        .                   let as_u64: u64 = v.to_bits();
        .                   self.emit_u64(as_u64)
        .               }
        .           
-- line 147 ----------------------------------------
-- line 549 ----------------------------------------
        .               #[inline]
        .               pub fn advance(&mut self, bytes: usize) {
        .                   self.position += bytes;
        .               }
        .           
        .               #[inline]
        .               pub fn read_raw_bytes(&mut self, bytes: usize) -> &'a [u8] {
        .                   let start = self.position;
        4 ( 0.00%)          self.position += bytes;
        4 ( 0.00%)          &self.data[start..self.position]
        .               }
        .           }
        .           
        .           macro_rules! read_leb128 {
        .               ($dec:expr, $fun:ident) => {{ leb128::$fun($dec.data, &mut $dec.position) }};
        .           }
        .           
        .           impl<'a> serialize::Decoder for Decoder<'a> {
        .               #[inline]
        .               fn read_unit(&mut self) -> () {
        .                   ()
        .               }
        .           
        .               #[inline]
        .               fn read_u128(&mut self) -> u128 {
      539 ( 0.00%)          read_leb128!(self, read_u128_leb128)
        .               }
        .           
        .               #[inline]
        .               fn read_u64(&mut self) -> u64 {
    1,216 ( 0.00%)          read_leb128!(self, read_u64_leb128)
        .               }
        .           
        .               #[inline]
   35,120 ( 0.01%)      fn read_u32(&mut self) -> u32 {
  141,994 ( 0.02%)          read_leb128!(self, read_u32_leb128)
   70,240 ( 0.01%)      }
        .           
        .               #[inline]
        .               fn read_u16(&mut self) -> u16 {
  562,149 ( 0.10%)          let bytes = [self.data[self.position], self.data[self.position + 1]];
   80,307 ( 0.01%)          let value = u16::from_le_bytes(bytes);
  160,832 ( 0.03%)          self.position += 2;
        .                   value
        .               }
        .           
        .               #[inline]
        .               fn read_u8(&mut self) -> u8 {
1,384,823 ( 0.24%)          let value = self.data[self.position];
  280,445 ( 0.05%)          self.position += 1;
        .                   value
        .               }
        .           
        .               #[inline]
  152,986 ( 0.03%)      fn read_usize(&mut self) -> usize {
  153,048 ( 0.03%)          read_leb128!(self, read_usize_leb128)
  305,972 ( 0.05%)      }
        .           
        .               #[inline]
        .               fn read_i128(&mut self) -> i128 {
        .                   read_leb128!(self, read_i128_leb128)
        .               }
        .           
        .               #[inline]
        .               fn read_i64(&mut self) -> i64 {
-- line 613 ----------------------------------------
-- line 637 ----------------------------------------
        .               #[inline]
        .               fn read_isize(&mut self) -> isize {
        .                   read_leb128!(self, read_isize_leb128)
        .               }
        .           
        .               #[inline]
        .               fn read_bool(&mut self) -> bool {
        .                   let value = self.read_u8();
    8,856 ( 0.00%)          value != 0
        .               }
        .           
        .               #[inline]
        .               fn read_f64(&mut self) -> f64 {
        .                   let bits = self.read_u64();
        .                   f64::from_bits(bits)
        .               }
        .           
-- line 653 ----------------------------------------
-- line 660 ----------------------------------------
        .               #[inline]
        .               fn read_char(&mut self) -> char {
        .                   let bits = self.read_u32();
        .                   std::char::from_u32(bits).unwrap()
        .               }
        .           
        .               #[inline]
        .               fn read_str(&mut self) -> Cow<'_, str> {
   22,906 ( 0.00%)          let len = self.read_usize();
  150,582 ( 0.03%)          let sentinel = self.data[self.position + len];
   37,692 ( 0.01%)          assert!(sentinel == STR_SENTINEL);
        .                   let s = unsafe {
        .                       std::str::from_utf8_unchecked(&self.data[self.position..self.position + len])
        .                   };
   94,230 ( 0.02%)          self.position += len + 1;
   12,060 ( 0.00%)          Cow::Borrowed(s)
        .               }
        .           
        .               #[inline]
        .               fn read_raw_bytes_into(&mut self, s: &mut [u8]) {
      270 ( 0.00%)          let start = self.position;
    1,413 ( 0.00%)          self.position += s.len();
      270 ( 0.00%)          s.copy_from_slice(&self.data[start..self.position]);
        .               }
        .           }
        .           
        .           // Specializations for contiguous byte sequences follow. The default implementations for slices
        .           // encode and decode each element individually. This isn't necessary for `u8` slices when using
        .           // opaque encoders and decoders, because each `u8` is unchanged by encoding and decoding.
        .           // Therefore, we can use more efficient implementations that process the entire sequence at once.
        .           
-- line 690 ----------------------------------------

  540,703 ( 0.09%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/caching_source_map_view.rs
--------------------------------------------------------------------------------
Ir               

-- line 27 ----------------------------------------
      .           impl CacheEntry {
      .               #[inline]
      .               fn update(
      .                   &mut self,
      .                   new_file_and_idx: Option<(Lrc<SourceFile>, usize)>,
      .                   pos: BytePos,
      .                   time_stamp: usize,
      .               ) {
  1,499 ( 0.00%)          if let Some((file, file_idx)) = new_file_and_idx {
    174 ( 0.00%)              self.file = file;
    147 ( 0.00%)              self.file_index = file_idx;
      .                   }
      .           
    989 ( 0.00%)          let line_index = self.file.lookup_line(pos).unwrap();
      .                   let line_bounds = self.file.line_bounds(line_index);
  2,192 ( 0.00%)          self.line_number = line_index + 1;
  3,120 ( 0.00%)          self.line = line_bounds;
      .                   self.touch(time_stamp);
      .               }
      .           
      .               #[inline]
      .               fn touch(&mut self, time_stamp: usize) {
 16,537 ( 0.00%)          self.time_stamp = time_stamp;
      .               }
      .           }
      .           
      .           #[derive(Clone)]
      .           pub struct CachingSourceMapView<'sm> {
      .               source_map: &'sm SourceMap,
      .               line_cache: [CacheEntry; 3],
      .               time_stamp: usize,
      .           }
      .           
      .           impl<'sm> CachingSourceMapView<'sm> {
    506 ( 0.00%)      pub fn new(source_map: &'sm SourceMap) -> CachingSourceMapView<'sm> {
      .                   let files = source_map.files();
    253 ( 0.00%)          let first_file = files[0].clone();
      .                   let entry = CacheEntry {
      .                       time_stamp: 0,
      .                       line_number: 0,
      .                       line: BytePos(0)..BytePos(0),
      .                       file: first_file,
      .                       file_index: 0,
      .                   };
      .           
  1,265 ( 0.00%)          CachingSourceMapView {
      .                       source_map,
  1,771 ( 0.00%)              line_cache: [entry.clone(), entry.clone(), entry],
      .                       time_stamp: 0,
      .                   }
  1,012 ( 0.00%)      }
      .           
      .               pub fn byte_pos_to_line_and_col(
      .                   &mut self,
      .                   pos: BytePos,
      .               ) -> Option<(Lrc<SourceFile>, usize, BytePos)> {
      .                   self.time_stamp += 1;
      .           
      .                   // Check if the position is in one of the cached lines
-- line 85 ----------------------------------------
-- line 106 ----------------------------------------
      .                   };
      .           
      .                   let cache_entry = &mut self.line_cache[oldest];
      .                   cache_entry.update(new_file_and_idx, pos, self.time_stamp);
      .           
      .                   Some((cache_entry.file.clone(), cache_entry.line_number, pos - cache_entry.line.start))
      .               }
      .           
 61,481 ( 0.01%)      pub fn span_data_to_lines_and_cols(
      .                   &mut self,
      .                   span_data: &SpanData,
      .               ) -> Option<(Lrc<SourceFile>, usize, BytePos, usize, BytePos)> {
 35,132 ( 0.01%)          self.time_stamp += 1;
      .           
      .                   // Check if lo and hi are in the cached lines.
  8,783 ( 0.00%)          let lo_cache_idx = self.cache_entry_index(span_data.lo);
  8,783 ( 0.00%)          let hi_cache_idx = self.cache_entry_index(span_data.hi);
      .           
 15,564 ( 0.00%)          if lo_cache_idx != -1 && hi_cache_idx != -1 {
      .                       // Cache hit for span lo and hi. Check if they belong to the same file.
      .                       let result = {
 15,508 ( 0.00%)                  let lo = &self.line_cache[lo_cache_idx as usize];
      .                           let hi = &self.line_cache[hi_cache_idx as usize];
      .           
 46,524 ( 0.01%)                  if lo.file_index != hi.file_index {
      .                               return None;
      .                           }
      .           
      .                           (
 15,508 ( 0.00%)                      lo.file.clone(),
      .                               lo.line_number,
      .                               span_data.lo - lo.line.start,
  7,754 ( 0.00%)                      hi.line_number,
      .                               span_data.hi - hi.line.start,
      .                           )
      .                       };
      .           
  7,754 ( 0.00%)              self.line_cache[lo_cache_idx as usize].touch(self.time_stamp);
  7,754 ( 0.00%)              self.line_cache[hi_cache_idx as usize].touch(self.time_stamp);
      .           
 31,016 ( 0.01%)              return Some(result);
      .                   }
      .           
      .                   // No cache hit or cache hit for only one of span lo and hi.
  2,002 ( 0.00%)          let oldest = if lo_cache_idx != -1 || hi_cache_idx != -1 {
      .                       let avoid_idx = if lo_cache_idx != -1 { lo_cache_idx } else { hi_cache_idx };
      .                       self.oldest_cache_entry_index_avoid(avoid_idx as usize)
      .                   } else {
      .                       self.oldest_cache_entry_index()
      .                   };
      .           
      .                   // If the entry doesn't point to the correct file, get the new file and index.
      .                   // Return early if the file containing beginning of span doesn't contain end of span.
  8,232 ( 0.00%)          let new_file_and_idx = if !file_contains(&self.line_cache[oldest].file, span_data.lo) {
    200 ( 0.00%)              let new_file_and_idx = self.file_for_position(span_data.lo)?;
    240 ( 0.00%)              if !file_contains(&new_file_and_idx.0, span_data.hi) {
      .                           return None;
      .                       }
      .           
    160 ( 0.00%)              Some(new_file_and_idx)
      .                   } else {
      .                       let file = &self.line_cache[oldest].file;
  2,967 ( 0.00%)              if !file_contains(&file, span_data.hi) {
      .                           return None;
      .                       }
      .           
  2,967 ( 0.00%)              None
      .                   };
      .           
      .                   // Update the cache entries.
  5,145 ( 0.00%)          let (lo_idx, hi_idx) = match (lo_cache_idx, hi_cache_idx) {
      .                       // Oldest cache entry is for span_data.lo line.
      .                       (-1, -1) => {
      .                           let lo = &mut self.line_cache[oldest];
      .                           lo.update(new_file_and_idx, span_data.lo, self.time_stamp);
      .           
  2,298 ( 0.00%)                  if !lo.line.contains(&span_data.hi) {
      .                               let new_file_and_idx = Some((lo.file.clone(), lo.file_index));
      .                               let next_oldest = self.oldest_cache_entry_index_avoid(oldest);
      .                               let hi = &mut self.line_cache[next_oldest];
      .                               hi.update(new_file_and_idx, span_data.hi, self.time_stamp);
      .                               (oldest, next_oldest)
      .                           } else {
      .                               (oldest, oldest)
      .                           }
      .                       }
      .                       // Oldest cache entry is for span_data.lo line.
      .                       (-1, _) => {
      .                           let lo = &mut self.line_cache[oldest];
      .                           lo.update(new_file_and_idx, span_data.lo, self.time_stamp);
     56 ( 0.00%)                  let hi = &mut self.line_cache[hi_cache_idx as usize];
     84 ( 0.00%)                  hi.touch(self.time_stamp);
      .                           (oldest, hi_cache_idx as usize)
      .                       }
      .                       // Oldest cache entry is for span_data.hi line.
      .                       (_, -1) => {
      .                           let hi = &mut self.line_cache[oldest];
    235 ( 0.00%)                  hi.update(new_file_and_idx, span_data.hi, self.time_stamp);
    470 ( 0.00%)                  let lo = &mut self.line_cache[lo_cache_idx as usize];
    940 ( 0.00%)                  lo.touch(self.time_stamp);
      .                           (lo_cache_idx as usize, oldest)
      .                       }
      .                       _ => {
      .                           panic!();
      .                       }
      .                   };
      .           
      .                   let lo = &self.line_cache[lo_idx];
      .                   let hi = &self.line_cache[hi_idx];
      .           
      .                   // Span lo and hi may equal line end when last line doesn't
      .                   // end in newline, hence the inclusive upper bounds below.
  2,058 ( 0.00%)          assert!(span_data.lo >= lo.line.start);
  1,029 ( 0.00%)          assert!(span_data.lo <= lo.line.end);
  2,058 ( 0.00%)          assert!(span_data.hi >= hi.line.start);
  1,029 ( 0.00%)          assert!(span_data.hi <= hi.line.end);
  5,145 ( 0.00%)          assert!(lo.file.contains(span_data.lo));
  3,087 ( 0.00%)          assert!(lo.file.contains(span_data.hi));
  3,087 ( 0.00%)          assert_eq!(lo.file_index, hi.file_index);
      .           
  3,087 ( 0.00%)          Some((
  1,029 ( 0.00%)              lo.file.clone(),
      .                       lo.line_number,
      .                       span_data.lo - lo.line.start,
  1,029 ( 0.00%)              hi.line_number,
      .                       span_data.hi - hi.line.start,
      .                   ))
 79,047 ( 0.01%)      }
      .           
      .               fn cache_entry_index(&self, pos: BytePos) -> isize {
      .                   for (idx, cache_entry) in self.line_cache.iter().enumerate() {
 87,040 ( 0.02%)              if cache_entry.line.contains(&pos) {
      .                           return idx as isize;
      .                       }
      .                   }
      .           
      .                   -1
      .               }
      .           
      .               fn oldest_cache_entry_index(&self) -> usize {
      .                   let mut oldest = 0;
      .           
      .                   for idx in 1..self.line_cache.len() {
  4,596 ( 0.00%)              if self.line_cache[idx].time_stamp < self.line_cache[oldest].time_stamp {
      .                           oldest = idx;
      .                       }
      .                   }
      .           
      .                   oldest
      .               }
      .           
      .               fn oldest_cache_entry_index_avoid(&self, avoid_idx: usize) -> usize {
      .                   let mut oldest = if avoid_idx != 0 { 0 } else { 1 };
      .           
      .                   for idx in 0..self.line_cache.len() {
  1,927 ( 0.00%)              if idx != avoid_idx
    913 ( 0.00%)                  && self.line_cache[idx].time_stamp < self.line_cache[oldest].time_stamp
      .                       {
      .                           oldest = idx;
      .                       }
      .                   }
      .           
      .                   oldest
      .               }
      .           
    200 ( 0.00%)      fn file_for_position(&self, pos: BytePos) -> Option<(Lrc<SourceFile>, usize)> {
     40 ( 0.00%)          if !self.source_map.files().is_empty() {
     80 ( 0.00%)              let file_idx = self.source_map.lookup_source_file_idx(pos);
      .                       let file = &self.source_map.files()[file_idx];
      .           
    320 ( 0.00%)              if file_contains(file, pos) {
      .                           return Some((file.clone(), file_idx));
      .                       }
      .                   }
      .           
      .                   None
    200 ( 0.00%)      }
      .           }
      .           
      .           #[inline]
      .           fn file_contains(file: &SourceFile, pos: BytePos) -> bool {
      .               // `SourceMap::lookup_source_file_idx` and `SourceFile::contains` both consider the position
      .               // one past the end of a file to belong to it. Normally, that's what we want. But for the
      .               // purposes of converting a byte position to a line and column number, we can't come up with a
      .               // line and column number if the file is empty, because an empty file doesn't contain any
-- line 290 ----------------------------------------

106,562 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/caching_source_map_view.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs
--------------------------------------------------------------------------------
Ir                 

-- line 84 ----------------------------------------
        .           pub struct SessionGlobals {
        .               symbol_interner: symbol::Interner,
        .               span_interner: Lock<span_encoding::SpanInterner>,
        .               hygiene_data: Lock<hygiene::HygieneData>,
        .               source_map: Lock<Option<Lrc<SourceMap>>>,
        .           }
        .           
        .           impl SessionGlobals {
       12 ( 0.00%)      pub fn new(edition: Edition) -> SessionGlobals {
       50 ( 0.00%)          SessionGlobals {
        2 ( 0.00%)              symbol_interner: symbol::Interner::fresh(),
        .                       span_interner: Lock::new(span_encoding::SpanInterner::default()),
        6 ( 0.00%)              hygiene_data: Lock::new(hygiene::HygieneData::new(edition)),
        .                       source_map: Lock::new(None),
        .                   }
       10 ( 0.00%)      }
        .           }
        .           
        .           #[inline]
        .           pub fn create_session_globals_then<R>(edition: Edition, f: impl FnOnce() -> R) -> R {
        1 ( 0.00%)      assert!(
        .                   !SESSION_GLOBALS.is_set(),
        .                   "SESSION_GLOBALS should never be overwritten! \
        .                    Use another thread if you need another SessionGlobals"
        .               );
        3 ( 0.00%)      let session_globals = SessionGlobals::new(edition);
        7 ( 0.00%)      SESSION_GLOBALS.set(&session_globals, f)
        1 ( 0.00%)  }
        .           
        .           #[inline]
        .           pub fn set_session_globals_then<R>(session_globals: &SessionGlobals, f: impl FnOnce() -> R) -> R {
        .               assert!(
        .                   !SESSION_GLOBALS.is_set(),
        .                   "SESSION_GLOBALS should never be overwritten! \
        .                    Use another thread if you need another SessionGlobals"
        .               );
-- line 119 ----------------------------------------
-- line 120 ----------------------------------------
        .               SESSION_GLOBALS.set(session_globals, f)
        .           }
        .           
        .           #[inline]
        .           pub fn create_default_session_if_not_set_then<R, F>(f: F) -> R
        .           where
        .               F: FnOnce(&SessionGlobals) -> R,
        .           {
        4 ( 0.00%)      create_session_if_not_set_then(edition::DEFAULT_EDITION, f)
        .           }
        .           
        .           #[inline]
        .           pub fn create_session_if_not_set_then<R, F>(edition: Edition, f: F) -> R
        .           where
        .               F: FnOnce(&SessionGlobals) -> R,
        .           {
        1 ( 0.00%)      if !SESSION_GLOBALS.is_set() {
        3 ( 0.00%)          let session_globals = SessionGlobals::new(edition);
       11 ( 0.00%)          SESSION_GLOBALS.set(&session_globals, || SESSION_GLOBALS.with(f))
        1 ( 0.00%)      } else {
        .                   SESSION_GLOBALS.with(f)
        .               }
        .           }
        .           
        .           #[inline]
        .           pub fn with_session_globals<R, F>(f: F) -> R
        .           where
        .               F: FnOnce(&SessionGlobals) -> R,
        .           {
  202,764 ( 0.03%)      SESSION_GLOBALS.with(f)
        .           }
        .           
        .           #[inline]
        .           pub fn create_default_session_globals_then<R>(f: impl FnOnce() -> R) -> R {
        .               create_session_globals_then(edition::DEFAULT_EDITION, f)
        .           }
        .           
        .           // If this ever becomes non thread-local, `decode_syntax_context`
        .           // and `decode_expn_id` will need to be updated to handle concurrent
        .           // deserialization.
        .           scoped_tls::scoped_thread_local!(static SESSION_GLOBALS: SessionGlobals);
        .           
        .           // FIXME: We should use this enum or something like it to get rid of the
        .           // use of magic `/rust/1.x/...` paths across the board.
       15 ( 0.00%)  #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd)]
      728 ( 0.00%)  #[derive(Decodable)]
        .           pub enum RealFileName {
        .               LocalPath(PathBuf),
        .               /// For remapped paths (namely paths into libstd that have been mapped
        .               /// to the appropriate spot on the local host's file system, and local file
        .               /// system paths that have been remapped with `FilePathMapping`),
        .               Remapped {
        .                   /// `local_path` is the (host-dependent) local path to the file. This is
        .                   /// None if the file was imported from another crate
-- line 173 ----------------------------------------
-- line 179 ----------------------------------------
        .           }
        .           
        .           impl Hash for RealFileName {
        .               fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
        .                   // To prevent #70924 from happening again we should only hash the
        .                   // remapped (virtualized) path if that exists. This is because
        .                   // virtualized paths to sysroot crates (/rust/$hash or /rust/$version)
        .                   // remain stable even if the corresponding local_path changes
    1,864 ( 0.00%)          self.remapped_path_if_available().hash(state)
        .               }
        .           }
        .           
        .           // This is functionally identical to #[derive(Encodable)], with the exception of
        .           // an added assert statement
        .           impl<S: Encoder> Encodable<S> for RealFileName {
        .               fn encode(&self, encoder: &mut S) -> Result<(), S::Error> {
        4 ( 0.00%)          encoder.emit_enum(|encoder| match *self {
        .                       RealFileName::LocalPath(ref local_path) => {
       16 ( 0.00%)                  encoder.emit_enum_variant("LocalPath", 0, 1, |encoder| {
        .                               encoder.emit_enum_variant_arg(true, |encoder| local_path.encode(encoder))?;
        .                               Ok(())
        .                           })
        .                       }
        .           
        .                       RealFileName::Remapped { ref local_path, ref virtual_name } => encoder
        .                           .emit_enum_variant("Remapped", 1, 2, |encoder| {
        .                               // For privacy and build reproducibility, we must not embed host-dependant path in artifacts
-- line 205 ----------------------------------------
-- line 224 ----------------------------------------
        .                           p.as_ref().map(PathBuf::as_path)
        .                       }
        .                   }
        .               }
        .           
        .               /// Returns the path suitable for reading from the file system on the local host,
        .               /// if this information exists.
        .               /// Avoid embedding this in build artifacts; see `remapped_path_if_available()` for that.
        2 ( 0.00%)      pub fn into_local_path(self) -> Option<PathBuf> {
        2 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(p) => Some(p),
        .                       RealFileName::Remapped { local_path: p, virtual_name: _ } => p,
        .                   }
        3 ( 0.00%)      }
        .           
        .               /// Returns the path suitable for embedding into build artifacts. This would still
        .               /// be a local path if it has not been remapped. A remapped path will not correspond
        .               /// to a valid file system path: see `local_path_if_available()` for something that
        .               /// is more likely to return paths into the local host file system.
        .               pub fn remapped_path_if_available(&self) -> &Path {
    1,506 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(p)
        .                       | RealFileName::Remapped { local_path: _, virtual_name: p } => &p,
        .                   }
        3 ( 0.00%)      }
        .           
        .               /// Returns the path suitable for reading from the file system on the local host,
        .               /// if this information exists. Otherwise returns the remapped name.
        .               /// Avoid embedding this in build artifacts; see `remapped_path_if_available()` for that.
        .               pub fn local_path_if_available(&self) -> &Path {
        2 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(path)
        .                       | RealFileName::Remapped { local_path: None, virtual_name: path }
        .                       | RealFileName::Remapped { local_path: Some(path), virtual_name: _ } => path,
        .                   }
        .               }
        .           
        .               pub fn to_string_lossy(&self, display_pref: FileNameDisplayPreference) -> Cow<'_, str> {
       13 ( 0.00%)          match display_pref {
        .                       FileNameDisplayPreference::Local => self.local_path_if_available().to_string_lossy(),
        .                       FileNameDisplayPreference::Remapped => {
        .                           self.remapped_path_if_available().to_string_lossy()
        .                       }
        .                   }
        .               }
        .           }
        .           
        .           /// Differentiates between real files and common virtual files.
    3,918 ( 0.00%)  #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash)]
    4,414 ( 0.00%)  #[derive(Decodable, Encodable)]
        .           pub enum FileName {
        .               Real(RealFileName),
        .               /// Call to `quote!`.
        2 ( 0.00%)      QuoteExpansion(u64),
        .               /// Command line.
        .               Anon(u64),
        .               /// Hack in `src/librustc_ast/parse.rs`.
        .               // FIXME(jseyfried)
        .               MacroExpansion(u64),
        .               ProcMacroSourceCode(u64),
        .               /// Strings provided as `--cfg [cfgspec]` stored in a `crate_cfg`.
        .               CfgSpec(u64),
-- line 285 ----------------------------------------
-- line 288 ----------------------------------------
        .               /// Custom sources for explicit parser calls from plugins and drivers.
        .               Custom(String),
        .               DocTest(PathBuf, isize),
        .               /// Post-substitution inline assembly from LLVM.
        .               InlineAsm(u64),
        .           }
        .           
        .           impl From<PathBuf> for FileName {
       14 ( 0.00%)      fn from(p: PathBuf) -> Self {
        4 ( 0.00%)          assert!(!p.to_string_lossy().ends_with('>'));
       12 ( 0.00%)          FileName::Real(RealFileName::LocalPath(p))
       14 ( 0.00%)      }
        .           }
        .           
       20 ( 0.00%)  #[derive(Clone, Copy, Eq, PartialEq, Hash, Debug)]
        .           pub enum FileNameDisplayPreference {
        .               Remapped,
        .               Local,
        .           }
        .           
        .           pub struct FileNameDisplay<'a> {
        .               inner: &'a FileName,
        .               display_pref: FileNameDisplayPreference,
        .           }
        .           
        .           impl fmt::Display for FileNameDisplay<'_> {
        8 ( 0.00%)      fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        .                   use FileName::*;
       12 ( 0.00%)          match *self.inner {
        .                       Real(ref name) => {
       12 ( 0.00%)                  write!(fmt, "{}", name.to_string_lossy(self.display_pref))
        .                       }
        .                       QuoteExpansion(_) => write!(fmt, "<quote expansion>"),
        .                       MacroExpansion(_) => write!(fmt, "<macro expansion>"),
        .                       Anon(_) => write!(fmt, "<anon>"),
        .                       ProcMacroSourceCode(_) => write!(fmt, "<proc-macro source code>"),
        .                       CfgSpec(_) => write!(fmt, "<cfgspec>"),
        .                       CliCrateAttr(_) => write!(fmt, "<crate attribute>"),
        .                       Custom(ref s) => write!(fmt, "<{}>", s),
        .                       DocTest(ref path, _) => write!(fmt, "{}", path.display()),
        .                       InlineAsm(_) => write!(fmt, "<inline asm>"),
        .                   }
       10 ( 0.00%)      }
        .           }
        .           
        .           impl FileNameDisplay<'_> {
       44 ( 0.00%)      pub fn to_string_lossy(&self) -> Cow<'_, str> {
       33 ( 0.00%)          match self.inner {
       11 ( 0.00%)              FileName::Real(ref inner) => inner.to_string_lossy(self.display_pref),
        .                       _ => Cow::from(format!("{}", self)),
        .                   }
       44 ( 0.00%)      }
        .           }
        .           
        .           impl FileName {
        .               pub fn is_real(&self) -> bool {
        .                   use FileName::*;
      740 ( 0.00%)          match *self {
        .                       Real(_) => true,
        .                       Anon(_)
        .                       | MacroExpansion(_)
        .                       | ProcMacroSourceCode(_)
        .                       | CfgSpec(_)
        .                       | CliCrateAttr(_)
        .                       | Custom(_)
        .                       | QuoteExpansion(_)
        .                       | DocTest(_, _)
        .                       | InlineAsm(_) => false,
        .                   }
        .               }
        .           
       11 ( 0.00%)      pub fn prefer_remapped(&self) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Remapped }
       22 ( 0.00%)      }
        .           
        .               // This may include transient local filesystem information.
        .               // Must not be embedded in build outputs.
        2 ( 0.00%)      pub fn prefer_local(&self) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Local }
        4 ( 0.00%)      }
        .           
        .               pub fn display(&self, display_pref: FileNameDisplayPreference) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref }
        .               }
        .           
        .               pub fn macro_expansion_source_code(src: &str) -> FileName {
        .                   let mut hasher = StableHasher::new();
        .                   src.hash(&mut hasher);
-- line 375 ----------------------------------------
-- line 383 ----------------------------------------
        .               }
        .           
        .               pub fn proc_macro_source_code(src: &str) -> FileName {
        .                   let mut hasher = StableHasher::new();
        .                   src.hash(&mut hasher);
        .                   FileName::ProcMacroSourceCode(hasher.finish())
        .               }
        .           
       10 ( 0.00%)      pub fn cfg_spec_source_code(src: &str) -> FileName {
        .                   let mut hasher = StableHasher::new();
        .                   src.hash(&mut hasher);
        4 ( 0.00%)          FileName::QuoteExpansion(hasher.finish())
       10 ( 0.00%)      }
        .           
        .               pub fn cli_crate_attr_source_code(src: &str) -> FileName {
        .                   let mut hasher = StableHasher::new();
        .                   src.hash(&mut hasher);
        .                   FileName::CliCrateAttr(hasher.finish())
        .               }
        .           
        .               pub fn doc_test_source_code(path: PathBuf, line: isize) -> FileName {
-- line 403 ----------------------------------------
-- line 423 ----------------------------------------
        .           /// that the length of the span is equal to `span.hi - span.lo`; there may be space in the
        .           /// [`BytePos`] range between files.
        .           ///
        .           /// `SpanData` is public because `Span` uses a thread-local interner and can't be
        .           /// sent to other threads, but some pieces of performance infra run in a separate thread.
        .           /// Using `Span` is generally preferred.
        .           #[derive(Clone, Copy, Hash, PartialEq, Eq)]
        .           pub struct SpanData {
       11 ( 0.00%)      pub lo: BytePos,
       11 ( 0.00%)      pub hi: BytePos,
        .               /// Information about where the macro came from, if this piece of
        .               /// code was created by a macro expansion.
       30 ( 0.00%)      pub ctxt: SyntaxContext,
       10 ( 0.00%)      pub parent: Option<LocalDefId>,
        .           }
        .           
        .           // Order spans by position in the file.
        .           impl Ord for SpanData {
        .               fn cmp(&self, other: &Self) -> Ordering {
        .                   let SpanData {
        .                       lo: s_lo,
        .                       hi: s_hi,
-- line 444 ----------------------------------------
-- line 485 ----------------------------------------
        .               }
        .               #[inline]
        .               pub fn with_parent(&self, parent: Option<LocalDefId>) -> Span {
        .                   Span::new(self.lo, self.hi, self.ctxt, parent)
        .               }
        .               /// Returns `true` if this is a dummy span with any hygienic context.
        .               #[inline]
        .               pub fn is_dummy(self) -> bool {
   49,769 ( 0.01%)          self.lo.0 == 0 && self.hi.0 == 0
        .               }
        .               /// Returns `true` if `self` fully encloses `other`.
        .               pub fn contains(self, other: Self) -> bool {
       27 ( 0.00%)          self.lo <= other.lo && other.hi <= self.hi
        .               }
        .           }
        .           
        .           // The interner is pointed to by a thread local value which is only set on the main thread
        .           // with parallelization is disabled. So we don't allow `Span` to transfer between threads
        .           // to avoid panics and other errors, even though it would be memory safe to do so.
        .           #[cfg(not(parallel_compiler))]
        .           impl !Send for Span {}
        .           #[cfg(not(parallel_compiler))]
        .           impl !Sync for Span {}
        .           
        .           impl PartialOrd for Span {
   14,344 ( 0.00%)      fn partial_cmp(&self, rhs: &Self) -> Option<Ordering> {
   10,758 ( 0.00%)          PartialOrd::partial_cmp(&self.data(), &rhs.data())
   14,344 ( 0.00%)      }
        .           }
        .           impl Ord for Span {
        .               fn cmp(&self, rhs: &Self) -> Ordering {
        .                   Ord::cmp(&self.data(), &rhs.data())
        .               }
        .           }
        .           
        .           /// A collection of `Span`s.
-- line 520 ----------------------------------------
-- line 532 ----------------------------------------
        .           }
        .           
        .           impl Span {
        .               #[inline]
        .               pub fn lo(self) -> BytePos {
        .                   self.data().lo
        .               }
        .               #[inline]
    4,419 ( 0.00%)      pub fn with_lo(self, lo: BytePos) -> Span {
        .                   self.data().with_lo(lo)
    2,946 ( 0.00%)      }
        .               #[inline]
    3,268 ( 0.00%)      pub fn hi(self) -> BytePos {
        .                   self.data().hi
    3,268 ( 0.00%)      }
        .               #[inline]
    8,532 ( 0.00%)      pub fn with_hi(self, hi: BytePos) -> Span {
        .                   self.data().with_hi(hi)
    5,688 ( 0.00%)      }
        .               #[inline]
        .               pub fn ctxt(self) -> SyntaxContext {
        .                   self.data_untracked().ctxt
        .               }
        .               #[inline]
      625 ( 0.00%)      pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span {
        .                   self.data_untracked().with_ctxt(ctxt)
      375 ( 0.00%)      }
        .               #[inline]
        .               pub fn parent(self) -> Option<LocalDefId> {
        .                   self.data().parent
        .               }
        .               #[inline]
        9 ( 0.00%)      pub fn with_parent(self, ctxt: Option<LocalDefId>) -> Span {
        .                   self.data().with_parent(ctxt)
        6 ( 0.00%)      }
        .           
        .               /// Returns `true` if this is a dummy span with any hygienic context.
        .               #[inline]
        .               pub fn is_dummy(self) -> bool {
        .                   self.data_untracked().is_dummy()
        .               }
        .           
        .               /// Returns `true` if this span comes from a macro or desugaring.
-- line 574 ----------------------------------------
-- line 600 ----------------------------------------
        .               /// Returns a new span representing an empty span at the beginning of this span.
        .               #[inline]
        .               pub fn shrink_to_lo(self) -> Span {
        .                   let span = self.data_untracked();
        .                   span.with_hi(span.lo)
        .               }
        .               /// Returns a new span representing an empty span at the end of this span.
        .               #[inline]
        9 ( 0.00%)      pub fn shrink_to_hi(self) -> Span {
        .                   let span = self.data_untracked();
        .                   span.with_lo(span.hi)
        6 ( 0.00%)      }
        .           
        .               #[inline]
        .               /// Returns `true` if `hi == lo`.
        .               pub fn is_empty(self) -> bool {
        .                   let span = self.data_untracked();
        .                   span.hi == span.lo
        .               }
        .           
        .               /// Returns `self` if `self` is not the dummy span, and `other` otherwise.
        .               pub fn substitute_dummy(self, other: Span) -> Span {
        .                   if self.is_dummy() { other } else { self }
        .               }
        .           
        .               /// Returns `true` if `self` fully encloses `other`.
       81 ( 0.00%)      pub fn contains(self, other: Span) -> bool {
        .                   let span = self.data();
        .                   let other = other.data();
        .                   span.contains(other)
       54 ( 0.00%)      }
        .           
        .               /// Returns `true` if `self` touches `other`.
        .               pub fn overlaps(self, other: Span) -> bool {
        .                   let span = self.data();
        .                   let other = other.data();
        .                   span.lo < other.hi && other.lo < span.hi
        .               }
        .           
-- line 638 ----------------------------------------
-- line 663 ----------------------------------------
        .               /// The `Span` for the tokens in the previous macro expansion from which `self` was generated,
        .               /// if any.
        .               pub fn parent_callsite(self) -> Option<Span> {
        .                   let expn_data = self.ctxt().outer_expn_data();
        .                   if !expn_data.is_root() { Some(expn_data.call_site) } else { None }
        .               }
        .           
        .               /// Walk down the expansion ancestors to find a span that's contained within `outer`.
       40 ( 0.00%)      pub fn find_ancestor_inside(mut self, outer: Span) -> Option<Span> {
       20 ( 0.00%)          while !outer.contains(self) {
        .                       self = self.parent_callsite()?;
        .                   }
        .                   Some(self)
       44 ( 0.00%)      }
        .           
        .               /// Edition of the crate from which this span came.
    2,385 ( 0.00%)      pub fn edition(self) -> edition::Edition {
        .                   self.ctxt().edition()
    1,590 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn rust_2015(self) -> bool {
      613 ( 0.00%)          self.edition() == edition::Edition::Edition2015
        .               }
        .           
        .               #[inline]
        .               pub fn rust_2018(self) -> bool {
      202 ( 0.00%)          self.edition() >= edition::Edition::Edition2018
        .               }
        .           
        .               #[inline]
        .               pub fn rust_2021(self) -> bool {
      293 ( 0.00%)          self.edition() >= edition::Edition::Edition2021
        .               }
        .           
        .               /// Returns the source callee.
        .               ///
        .               /// Returns `None` if the supplied span has no expansion trace,
        .               /// else returns the `ExpnData` for the macro definition
        .               /// corresponding to the source callsite.
        .               pub fn source_callee(self) -> Option<ExpnData> {
-- line 703 ----------------------------------------
-- line 707 ----------------------------------------
        .                   }
        .                   let expn_data = self.ctxt().outer_expn_data();
        .                   if !expn_data.is_root() { Some(source_callee(expn_data)) } else { None }
        .               }
        .           
        .               /// Checks if a span is "internal" to a macro in which `#[unstable]`
        .               /// items can be used (that is, a macro marked with
        .               /// `#[allow_internal_unstable]`).
       35 ( 0.00%)      pub fn allows_unstable(self, feature: Symbol) -> bool {
        7 ( 0.00%)          self.ctxt()
        .                       .outer_expn_data()
        .                       .allow_internal_unstable
        .                       .map_or(false, |features| features.iter().any(|&f| f == feature))
       28 ( 0.00%)      }
        .           
        .               /// Checks if this span arises from a compiler desugaring of kind `kind`.
    1,092 ( 0.00%)      pub fn is_desugaring(self, kind: DesugaringKind) -> bool {
      936 ( 0.00%)          match self.ctxt().outer_expn_data().kind {
        .                       ExpnKind::Desugaring(k) => k == kind,
        .                       _ => false,
        .                   }
      780 ( 0.00%)      }
        .           
        .               /// Returns the compiler desugaring that created this span, or `None`
        .               /// if this span is not from a desugaring.
        .               pub fn desugaring_kind(self) -> Option<DesugaringKind> {
        .                   match self.ctxt().outer_expn_data().kind {
        .                       ExpnKind::Desugaring(k) => Some(k),
        .                       _ => None,
        .                   }
        .               }
        .           
        .               /// Checks if a span is "internal" to a macro in which `unsafe`
        .               /// can be used without triggering the `unsafe_code` lint.
        .               //  (that is, a macro marked with `#[allow_internal_unsafe]`).
       92 ( 0.00%)      pub fn allows_unsafe(self) -> bool {
       23 ( 0.00%)          self.ctxt().outer_expn_data().allow_internal_unsafe
       92 ( 0.00%)      }
        .           
        .               pub fn macro_backtrace(mut self) -> impl Iterator<Item = ExpnData> {
        .                   let mut prev_span = DUMMY_SP;
        .                   std::iter::from_fn(move || {
        .                       loop {
        .                           let expn_data = self.ctxt().outer_expn_data();
        .                           if expn_data.is_root() {
        .                               return None;
-- line 752 ----------------------------------------
-- line 767 ----------------------------------------
        .           
        .               /// Returns a `Span` that would enclose both `self` and `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///     ^^^^^^^^^^^^^^^^^^^^
        .               /// ```
   48,895 ( 0.01%)      pub fn to(self, end: Span) -> Span {
        .                   let span_data = self.data();
        .                   let end_data = end.data();
        .                   // FIXME(jseyfried): `self.ctxt` should always equal `end.ctxt` here (cf. issue #23480).
        .                   // Return the macro span on its own to avoid weird diagnostic output. It is preferable to
        .                   // have an incomplete span than a completely nonsensical one.
    8,640 ( 0.00%)          if span_data.ctxt != end_data.ctxt {
      250 ( 0.00%)              if span_data.ctxt == SyntaxContext::root() {
        .                           return end;
      240 ( 0.00%)              } else if end_data.ctxt == SyntaxContext::root() {
        .                           return self;
        .                       }
        .                       // Both spans fall within a macro.
        .                       // FIXME(estebank): check if it is the *same* macro.
        .                   }
        .                   Span::new(
        .                       cmp::min(span_data.lo, end_data.lo),
        .                       cmp::max(span_data.hi, end_data.hi),
        .                       if span_data.ctxt == SyntaxContext::root() { end_data.ctxt } else { span_data.ctxt },
   29,379 ( 0.01%)              if span_data.parent == end_data.parent { span_data.parent } else { None },
        .                   )
   40,005 ( 0.01%)      }
        .           
        .               /// Returns a `Span` between the end of `self` to the beginning of `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///         ^^^^^^^^^^^^^
        .               /// ```
      913 ( 0.00%)      pub fn between(self, end: Span) -> Span {
        .                   let span = self.data();
        .                   let end = end.data();
        .                   Span::new(
        .                       span.hi,
        .                       end.lo,
        .                       if end.ctxt == SyntaxContext::root() { end.ctxt } else { span.ctxt },
      581 ( 0.00%)              if span.parent == end.parent { span.parent } else { None },
        .                   )
      664 ( 0.00%)      }
        .           
        .               /// Returns a `Span` from the beginning of `self` until the beginning of `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///     ^^^^^^^^^^^^^^^^^
        .               /// ```
       88 ( 0.00%)      pub fn until(self, end: Span) -> Span {
        .                   // Most of this function's body is copied from `to`.
        .                   // We can't just do `self.to(end.shrink_to_lo())`,
        .                   // because to also does some magic where it uses min/max so
        .                   // it can handle overlapping spans. Some advanced mis-use of
        .                   // `until` with different ctxts makes this visible.
        .                   let span_data = self.data();
        .                   let end_data = end.data();
        .                   // FIXME(jseyfried): `self.ctxt` should always equal `end.ctxt` here (cf. issue #23480).
        .                   // Return the macro span on its own to avoid weird diagnostic output. It is preferable to
        .                   // have an incomplete span than a completely nonsensical one.
       16 ( 0.00%)          if span_data.ctxt != end_data.ctxt {
        .                       if span_data.ctxt == SyntaxContext::root() {
        .                           return end;
        .                       } else if end_data.ctxt == SyntaxContext::root() {
        .                           return self;
        .                       }
        .                       // Both spans fall within a macro.
        .                       // FIXME(estebank): check if it is the *same* macro.
        .                   }
        .                   Span::new(
        .                       span_data.lo,
        .                       end_data.lo,
        .                       if end_data.ctxt == SyntaxContext::root() { end_data.ctxt } else { span_data.ctxt },
       56 ( 0.00%)              if span_data.parent == end_data.parent { span_data.parent } else { None },
        .                   )
       72 ( 0.00%)      }
        .           
        .               pub fn from_inner(self, inner: InnerSpan) -> Span {
        .                   let span = self.data();
        .                   Span::new(
        .                       span.lo + BytePos::from_usize(inner.start),
        .                       span.lo + BytePos::from_usize(inner.end),
        .                       span.ctxt,
        .                       span.parent,
        .                   )
        .               }
        .           
        .               /// Equivalent of `Span::def_site` from the proc macro API,
        .               /// except that the location is taken from the `self` span.
        .               pub fn with_def_site_ctxt(self, expn_id: ExpnId) -> Span {
       46 ( 0.00%)          self.with_ctxt_from_mark(expn_id, Transparency::Opaque)
        .               }
        .           
        .               /// Equivalent of `Span::call_site` from the proc macro API,
        .               /// except that the location is taken from the `self` span.
        .               pub fn with_call_site_ctxt(self, expn_id: ExpnId) -> Span {
        6 ( 0.00%)          self.with_ctxt_from_mark(expn_id, Transparency::Transparent)
        .               }
        .           
        .               /// Equivalent of `Span::mixed_site` from the proc macro API,
        .               /// except that the location is taken from the `self` span.
        .               pub fn with_mixed_site_ctxt(self, expn_id: ExpnId) -> Span {
        .                   self.with_ctxt_from_mark(expn_id, Transparency::SemiTransparent)
        .               }
        .           
        .               /// Produces a span with the same location as `self` and context produced by a macro with the
        .               /// given ID and transparency, assuming that macro was defined directly and not produced by
        .               /// some other macro (which is the case for built-in and procedural macros).
      312 ( 0.00%)      pub fn with_ctxt_from_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span {
        .                   self.with_ctxt(SyntaxContext::root().apply_mark(expn_id, transparency))
      182 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span {
        .                   let span = self.data();
   16,551 ( 0.00%)          span.with_ctxt(span.ctxt.apply_mark(expn_id, transparency))
        .               }
        .           
        .               #[inline]
        .               pub fn remove_mark(&mut self) -> ExpnId {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.remove_mark();
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
-- line 897 ----------------------------------------
-- line 901 ----------------------------------------
        .               pub fn adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.adjust(expn_id);
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
        .               }
        .           
        .               #[inline]
    4,752 ( 0.00%)      pub fn normalize_to_macros_2_0_and_adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
    3,168 ( 0.00%)          let mut span = self.data();
    2,536 ( 0.00%)          let mark = span.ctxt.normalize_to_macros_2_0_and_adjust(expn_id);
    4,752 ( 0.00%)          *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
    5,176 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn glob_adjust(&mut self, expn_id: ExpnId, glob_span: Span) -> Option<Option<ExpnId>> {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.glob_adjust(expn_id, glob_span);
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
        .               }
        .           
        .               #[inline]
   44,820 ( 0.01%)      pub fn reverse_glob_adjust(
        .                   &mut self,
        .                   expn_id: ExpnId,
        .                   glob_span: Span,
        .               ) -> Option<Option<ExpnId>> {
   39,910 ( 0.01%)          let mut span = self.data();
   44,960 ( 0.01%)          let mark = span.ctxt.reverse_glob_adjust(expn_id, glob_span);
   84,940 ( 0.01%)          *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
   49,800 ( 0.01%)      }
        .           
        .               #[inline]
    7,648 ( 0.00%)      pub fn normalize_to_macros_2_0(self) -> Span {
        .                   let span = self.data();
        .                   span.with_ctxt(span.ctxt.normalize_to_macros_2_0())
    6,692 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn normalize_to_macro_rules(self) -> Span {
        .                   let span = self.data();
        .                   span.with_ctxt(span.ctxt.normalize_to_macro_rules())
        .               }
        .           }
        .           
-- line 948 ----------------------------------------
-- line 958 ----------------------------------------
        .           
        .               /// What label should we attach to this span (if any)?
        .               pub label: Option<String>,
        .           }
        .           
        .           impl Default for Span {
        .               fn default() -> Self {
        .                   DUMMY_SP
        2 ( 0.00%)      }
        .           }
        .           
        .           impl<E: Encoder> Encodable<E> for Span {
        .               default fn encode(&self, s: &mut E) -> Result<(), E::Error> {
        .                   let span = self.data();
        .                   s.emit_struct(false, |s| {
        .                       s.emit_struct_field("lo", true, |s| span.lo.encode(s))?;
        .                       s.emit_struct_field("hi", false, |s| span.hi.encode(s))
-- line 974 ----------------------------------------
-- line 990 ----------------------------------------
        .           /// any spans that are debug-printed during the closure's execution.
        .           ///
        .           /// Normally, the global `TyCtxt` is used to retrieve the `SourceMap`
        .           /// (see `rustc_interface::callbacks::span_debug1`). However, some parts
        .           /// of the compiler (e.g. `rustc_parse`) may debug-print `Span`s before
        .           /// a `TyCtxt` is available. In this case, we fall back to
        .           /// the `SourceMap` provided to this function. If that is not available,
        .           /// we fall back to printing the raw `Span` field values.
        9 ( 0.00%)  pub fn with_source_map<T, F: FnOnce() -> T>(source_map: Lrc<SourceMap>, f: F) -> T {
        .               with_session_globals(|session_globals| {
        2 ( 0.00%)          *session_globals.source_map.borrow_mut() = Some(source_map);
        .               });
        .               struct ClearSourceMap;
        .               impl Drop for ClearSourceMap {
        .                   fn drop(&mut self) {
        .                       with_session_globals(|session_globals| {
        1 ( 0.00%)                  session_globals.source_map.borrow_mut().take();
        .                       });
        .                   }
        .               }
        .           
        .               let _guard = ClearSourceMap;
        4 ( 0.00%)      f()
        8 ( 0.00%)  }
        .           
        .           pub fn debug_with_source_map(
        .               span: Span,
        .               f: &mut fmt::Formatter<'_>,
        .               source_map: &SourceMap,
        .           ) -> fmt::Result {
        .               write!(f, "{} ({:?})", source_map.span_to_diagnostic_string(span), span.ctxt())
        .           }
-- line 1021 ----------------------------------------
-- line 1048 ----------------------------------------
        .           
        .           impl MultiSpan {
        .               #[inline]
        .               pub fn new() -> MultiSpan {
        .                   MultiSpan { primary_spans: vec![], span_labels: vec![] }
        .               }
        .           
        .               pub fn from_span(primary_span: Span) -> MultiSpan {
      685 ( 0.00%)          MultiSpan { primary_spans: vec![primary_span], span_labels: vec![] }
        .               }
        .           
        .               pub fn from_spans(mut vec: Vec<Span>) -> MultiSpan {
        .                   vec.sort();
        5 ( 0.00%)          MultiSpan { primary_spans: vec, span_labels: vec![] }
        .               }
        .           
        .               pub fn push_span_label(&mut self, span: Span, label: String) {
        .                   self.span_labels.push((span, label));
        .               }
        .           
        .               /// Selects the first primary span (if any).
        .               pub fn primary_span(&self) -> Option<Span> {
        .                   self.primary_spans.first().cloned()
       55 ( 0.00%)      }
        .           
        .               /// Returns all primary spans.
        .               pub fn primary_spans(&self) -> &[Span] {
        .                   &self.primary_spans
        1 ( 0.00%)      }
        .           
        .               /// Returns `true` if any of the primary spans are displayable.
        .               pub fn has_primary_spans(&self) -> bool {
        .                   self.primary_spans.iter().any(|sp| !sp.is_dummy())
        .               }
        .           
        .               /// Returns `true` if this contains only a dummy primary span with any hygienic context.
        .               pub fn is_dummy(&self) -> bool {
-- line 1084 ----------------------------------------
-- line 1139 ----------------------------------------
        .           
        .               /// Returns `true` if any of the span labels is displayable.
        .               pub fn has_span_labels(&self) -> bool {
        .                   self.span_labels.iter().any(|(sp, _)| !sp.is_dummy())
        .               }
        .           }
        .           
        .           impl From<Span> for MultiSpan {
      685 ( 0.00%)      fn from(span: Span) -> MultiSpan {
        .                   MultiSpan::from_span(span)
      685 ( 0.00%)      }
        .           }
        .           
        .           impl From<Vec<Span>> for MultiSpan {
        5 ( 0.00%)      fn from(spans: Vec<Span>) -> MultiSpan {
        4 ( 0.00%)          MultiSpan::from_spans(spans)
        5 ( 0.00%)      }
        .           }
        .           
        .           /// Identifies an offset of a multi-byte character in a `SourceFile`.
        .           #[derive(Copy, Clone, Encodable, Decodable, Eq, PartialEq, Debug)]
        .           pub struct MultiByteChar {
        .               /// The absolute offset of the character in the `SourceMap`.
        .               pub pos: BytePos,
        .               /// The number of bytes, `>= 2`.
        .               pub bytes: u8,
        .           }
        .           
        .           /// Identifies an offset of a non-narrow character in a `SourceFile`.
      294 ( 0.00%)  #[derive(Copy, Clone, Encodable, Decodable, Eq, PartialEq, Debug)]
        .           pub enum NonNarrowChar {
        .               /// Represents a zero-width character.
        .               ZeroWidth(BytePos),
        .               /// Represents a wide (full-width) character.
        .               Wide(BytePos),
        .               /// Represents a tab character, represented visually with a width of 4 characters.
        .               Tab(BytePos),
        .           }
-- line 1176 ----------------------------------------
-- line 1201 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl Add<BytePos> for NonNarrowChar {
        .               type Output = Self;
        .           
        .               fn add(self, rhs: BytePos) -> Self {
      518 ( 0.00%)          match self {
        .                       NonNarrowChar::ZeroWidth(pos) => NonNarrowChar::ZeroWidth(pos + rhs),
        .                       NonNarrowChar::Wide(pos) => NonNarrowChar::Wide(pos + rhs),
        .                       NonNarrowChar::Tab(pos) => NonNarrowChar::Tab(pos + rhs),
        .                   }
        .               }
        .           }
        .           
        .           impl Sub<BytePos> for NonNarrowChar {
        .               type Output = Self;
        .           
      147 ( 0.00%)      fn sub(self, rhs: BytePos) -> Self {
      518 ( 0.00%)          match self {
        .                       NonNarrowChar::ZeroWidth(pos) => NonNarrowChar::ZeroWidth(pos - rhs),
        .                       NonNarrowChar::Wide(pos) => NonNarrowChar::Wide(pos - rhs),
        .                       NonNarrowChar::Tab(pos) => NonNarrowChar::Tab(pos - rhs),
        .                   }
      441 ( 0.00%)      }
        .           }
        .           
        .           /// Identifies an offset of a character that was normalized away from `SourceFile`.
        .           #[derive(Copy, Clone, Encodable, Decodable, Eq, PartialEq, Debug)]
        .           pub struct NormalizedPos {
        .               /// The absolute offset of the character in the `SourceMap`.
        .               pub pos: BytePos,
        .               /// The difference between original and normalized string at position.
        .               pub diff: u32,
        .           }
        .           
        6 ( 0.00%)  #[derive(PartialEq, Eq, Clone, Debug)]
        .           pub enum ExternalSource {
        .               /// No external source has to be loaded, since the `SourceFile` represents a local crate.
        .               Unneeded,
        .               Foreign {
        .                   kind: ExternalSourceKind,
        .                   /// This SourceFile's byte-offset within the source_map of its original crate.
        .                   original_start_pos: BytePos,
        .                   /// The end of this SourceFile within the source_map of its original crate.
-- line 1246 ----------------------------------------
-- line 1267 ----------------------------------------
        .                       _ => None,
        .                   }
        .               }
        .           }
        .           
        .           #[derive(Debug)]
        .           pub struct OffsetOverflowError;
        .           
      736 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
        .           pub enum SourceFileHashAlgorithm {
        .               Md5,
        .               Sha1,
        .               Sha256,
        .           }
        .           
        .           impl FromStr for SourceFileHashAlgorithm {
        .               type Err = ();
-- line 1283 ----------------------------------------
-- line 1290 ----------------------------------------
        .                       _ => Err(()),
        .                   }
        .               }
        .           }
        .           
        .           rustc_data_structures::impl_stable_hash_via_hash!(SourceFileHashAlgorithm);
        .           
        .           /// The hash of the on-disk source file used for debug info.
       12 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Debug)]
    1,472 ( 0.00%)  #[derive(HashStable_Generic, Encodable, Decodable)]
        .           pub struct SourceFileHash {
        .               pub kind: SourceFileHashAlgorithm,
        .               value: [u8; 32],
        .           }
        .           
        .           impl SourceFileHash {
        .               pub fn new(kind: SourceFileHashAlgorithm, src: &str) -> SourceFileHash {
        .                   let mut hash = SourceFileHash { kind, value: Default::default() };
        .                   let len = hash.hash_len();
        .                   let value = &mut hash.value[..len];
        .                   let data = src.as_bytes();
        .                   match kind {
        .                       SourceFileHashAlgorithm::Md5 => {
       12 ( 0.00%)                  value.copy_from_slice(&Md5::digest(data));
        .                       }
        .                       SourceFileHashAlgorithm::Sha1 => {
        .                           value.copy_from_slice(&Sha1::digest(data));
        .                       }
        .                       SourceFileHashAlgorithm::Sha256 => {
        .                           value.copy_from_slice(&Sha256::digest(data));
        .                       }
        .                   }
-- line 1321 ----------------------------------------
-- line 1329 ----------------------------------------
        .           
        .               /// The bytes of the hash.
        .               pub fn hash_bytes(&self) -> &[u8] {
        .                   let len = self.hash_len();
        .                   &self.value[..len]
        .               }
        .           
        .               fn hash_len(&self) -> usize {
       12 ( 0.00%)          match self.kind {
        .                       SourceFileHashAlgorithm::Md5 => 16,
        .                       SourceFileHashAlgorithm::Sha1 => 20,
        .                       SourceFileHashAlgorithm::Sha256 => 32,
        .                   }
        .               }
        .           }
        .           
        .           /// A single source in the [`SourceMap`].
      116 ( 0.00%)  #[derive(Clone)]
        .           pub struct SourceFile {
        .               /// The name of the file that the source came from. Source that doesn't
        .               /// originate from files has names between angle brackets by convention
        .               /// (e.g., `<anon>`).
        .               pub name: FileName,
        .               /// The complete source code.
        2 ( 0.00%)      pub src: Option<Lrc<String>>,
        .               /// The source code's hash.
        .               pub src_hash: SourceFileHash,
        .               /// The external source code (used for external crates, which will have a `None`
        .               /// value as `self.src`.
        .               pub external_src: Lock<ExternalSource>,
        .               /// The start position of this source in the `SourceMap`.
        .               pub start_pos: BytePos,
        .               /// The end position of this source in the `SourceMap`.
-- line 1361 ----------------------------------------
-- line 1364 ----------------------------------------
        .               pub lines: Vec<BytePos>,
        .               /// Locations of multi-byte characters in the source code.
        .               pub multibyte_chars: Vec<MultiByteChar>,
        .               /// Width of characters that are not narrow in the source code.
        .               pub non_narrow_chars: Vec<NonNarrowChar>,
        .               /// Locations of characters removed during normalization.
        .               pub normalized_pos: Vec<NormalizedPos>,
        .               /// A hash of the filename, used for speeding up hashing in incremental compilation.
        2 ( 0.00%)      pub name_hash: u128,
        .               /// Indicates which crate this `SourceFile` was imported from.
        2 ( 0.00%)      pub cnum: CrateNum,
        .           }
        .           
        .           impl<S: Encoder> Encodable<S> for SourceFile {
        .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
        .                   s.emit_struct(false, |s| {
        .                       s.emit_struct_field("name", true, |s| self.name.encode(s))?;
        .                       s.emit_struct_field("src_hash", false, |s| self.src_hash.encode(s))?;
        .                       s.emit_struct_field("start_pos", false, |s| self.start_pos.encode(s))?;
        .                       s.emit_struct_field("end_pos", false, |s| self.end_pos.encode(s))?;
        .                       s.emit_struct_field("lines", false, |s| {
        .                           let lines = &self.lines[..];
        .                           // Store the length.
        .                           s.emit_u32(lines.len() as u32)?;
        .           
        8 ( 0.00%)                  if !lines.is_empty() {
        .                               // In order to preserve some space, we exploit the fact that
        .                               // the lines list is sorted and individual lines are
        .                               // probably not that long. Because of that we can store lines
        .                               // as a difference list, using as little space as possible
        .                               // for the differences.
        .                               let max_line_length = if lines.len() == 1 {
        .                                   0
        .                               } else {
-- line 1397 ----------------------------------------
-- line 1399 ----------------------------------------
        .                                       .array_windows()
        .                                       .map(|&[fst, snd]| snd - fst)
        .                                       .map(|bp| bp.to_usize())
        .                                       .max()
        .                                       .unwrap()
        .                               };
        .           
        .                               let bytes_per_diff: u8 = match max_line_length {
        4 ( 0.00%)                          0..=0xFF => 1,
        .                                   0x100..=0xFFFF => 2,
        .                                   _ => 4,
        .                               };
        .           
        .                               // Encode the number of bytes used per diff.
        .                               bytes_per_diff.encode(s)?;
        .           
        .                               // Encode the first element.
        .                               lines[0].encode(s)?;
        .           
        .                               let diff_iter = lines.array_windows().map(|&[fst, snd]| snd - fst);
        .           
        4 ( 0.00%)                      match bytes_per_diff {
        .                                   1 => {
        .                                       for diff in diff_iter {
        .                                           (diff.0 as u8).encode(s)?
        .                                       }
        .                                   }
        .                                   2 => {
        .                                       for diff in diff_iter {
        .                                           (diff.0 as u16).encode(s)?
-- line 1428 ----------------------------------------
-- line 1436 ----------------------------------------
        .                                   _ => unreachable!(),
        .                               }
        .                           }
        .           
        .                           Ok(())
        .                       })?;
        .                       s.emit_struct_field("multibyte_chars", false, |s| self.multibyte_chars.encode(s))?;
        .                       s.emit_struct_field("non_narrow_chars", false, |s| self.non_narrow_chars.encode(s))?;
        6 ( 0.00%)              s.emit_struct_field("name_hash", false, |s| self.name_hash.encode(s))?;
        .                       s.emit_struct_field("normalized_pos", false, |s| self.normalized_pos.encode(s))?;
       22 ( 0.00%)              s.emit_struct_field("cnum", false, |s| self.cnum.encode(s))
        .                   })
        .               }
        .           }
        .           
        .           impl<D: Decoder> Decodable<D> for SourceFile {
    3,312 ( 0.00%)      fn decode(d: &mut D) -> SourceFile {
        .                   d.read_struct(|d| {
        .                       let name: FileName = d.read_struct_field("name", |d| Decodable::decode(d));
        .                       let src_hash: SourceFileHash =
        .                           d.read_struct_field("src_hash", |d| Decodable::decode(d));
        .                       let start_pos: BytePos = d.read_struct_field("start_pos", |d| Decodable::decode(d));
        .                       let end_pos: BytePos = d.read_struct_field("end_pos", |d| Decodable::decode(d));
        .                       let lines: Vec<BytePos> = d.read_struct_field("lines", |d| {
        .                           let num_lines: u32 = Decodable::decode(d);
      368 ( 0.00%)                  let mut lines = Vec::with_capacity(num_lines as usize);
        .           
        .                           if num_lines > 0 {
        .                               // Read the number of bytes used per diff.
        .                               let bytes_per_diff: u8 = Decodable::decode(d);
        .           
        .                               // Read the first element.
        .                               let mut line_start: BytePos = Decodable::decode(d);
        .                               lines.push(line_start);
        .           
        .                               for _ in 1..num_lines {
  705,550 ( 0.12%)                          let diff = match bytes_per_diff {
        .                                       1 => d.read_u8() as u32,
        .                                       2 => d.read_u16() as u32,
        .                                       4 => d.read_u32(),
        .                                       _ => unreachable!(),
        .                                   };
        .           
        .                                   line_start = line_start + BytePos(diff);
        .           
-- line 1480 ----------------------------------------
-- line 1483 ----------------------------------------
        .                           }
        .           
        .                           lines
        .                       });
        .                       let multibyte_chars: Vec<MultiByteChar> =
        .                           d.read_struct_field("multibyte_chars", |d| Decodable::decode(d));
        .                       let non_narrow_chars: Vec<NonNarrowChar> =
        .                           d.read_struct_field("non_narrow_chars", |d| Decodable::decode(d));
      736 ( 0.00%)              let name_hash: u128 = d.read_struct_field("name_hash", |d| Decodable::decode(d));
        .                       let normalized_pos: Vec<NormalizedPos> =
        .                           d.read_struct_field("normalized_pos", |d| Decodable::decode(d));
        .                       let cnum: CrateNum = d.read_struct_field("cnum", |d| Decodable::decode(d));
    4,048 ( 0.00%)              SourceFile {
    2,944 ( 0.00%)                  name,
        .                           start_pos,
        .                           end_pos,
        .                           src: None,
    1,472 ( 0.00%)                  src_hash,
        .                           // Unused - the metadata decoder will construct
        .                           // a new SourceFile, filling in `external_src` properly
        .                           external_src: Lock::new(ExternalSource::Unneeded),
    1,472 ( 0.00%)                  lines,
    1,472 ( 0.00%)                  multibyte_chars,
    1,472 ( 0.00%)                  non_narrow_chars,
    1,472 ( 0.00%)                  normalized_pos,
        .                           name_hash,
        .                           cnum,
        .                       }
        .                   })
    3,312 ( 0.00%)      }
        .           }
        .           
        .           impl fmt::Debug for SourceFile {
        .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   write!(fmt, "SourceFile({:?})", self.name)
        .               }
        .           }
        .           
        .           impl SourceFile {
       44 ( 0.00%)      pub fn new(
        .                   name: FileName,
        .                   mut src: String,
        .                   start_pos: BytePos,
        .                   hash_kind: SourceFileHashAlgorithm,
        .               ) -> Self {
        .                   // Compute the file hash before any normalization.
        .                   let src_hash = SourceFileHash::new(hash_kind, &src);
       12 ( 0.00%)          let normalized_pos = normalize_src(&mut src, start_pos);
        .           
        .                   let name_hash = {
        .                       let mut hasher: StableHasher = StableHasher::new();
        8 ( 0.00%)              name.hash(&mut hasher);
        .                       hasher.finish::<u128>()
        .                   };
        8 ( 0.00%)          let end_pos = start_pos.to_usize() + src.len();
       12 ( 0.00%)          assert!(end_pos <= u32::MAX as usize);
        .           
       48 ( 0.00%)          let (lines, multibyte_chars, non_narrow_chars) =
        8 ( 0.00%)              analyze_source_file::analyze_source_file(&src, start_pos);
        .           
       68 ( 0.00%)          SourceFile {
        .                       name,
        .                       src: Some(Lrc::new(src)),
       44 ( 0.00%)              src_hash,
        .                       external_src: Lock::new(ExternalSource::Unneeded),
        .                       start_pos,
        .                       end_pos: Pos::from_usize(end_pos),
       16 ( 0.00%)              lines,
       16 ( 0.00%)              multibyte_chars,
       16 ( 0.00%)              non_narrow_chars,
       16 ( 0.00%)              normalized_pos,
        .                       name_hash,
        .                       cnum: LOCAL_CRATE,
        .                   }
       36 ( 0.00%)      }
        .           
        .               /// Returns the `BytePos` of the beginning of the current line.
        .               pub fn line_begin_pos(&self, pos: BytePos) -> BytePos {
        .                   let line_index = self.lookup_line(pos).unwrap();
        .                   self.lines[line_index]
        .               }
        .           
        .               /// Add externally loaded source.
        .               /// If the hash of the input doesn't match or no input is supplied via None,
        .               /// it is interpreted as an error and the corresponding enum variant is set.
        .               /// The return value signifies whether some kind of source is present.
      952 ( 0.00%)      pub fn add_external_src<F>(&self, get_src: F) -> bool
        .               where
        .                   F: FnOnce() -> Option<String>,
        .               {
      136 ( 0.00%)          if matches!(
      272 ( 0.00%)              *self.external_src.borrow(),
        .                       ExternalSource::Foreign { kind: ExternalSourceKind::AbsentOk, .. }
        .                   ) {
        .                       let src = get_src();
        .                       let mut external_src = self.external_src.borrow_mut();
        .                       // Check that no-one else have provided the source while we were getting it
        .                       if let ExternalSource::Foreign {
        .                           kind: src_kind @ ExternalSourceKind::AbsentOk, ..
        .                       } = &mut *external_src
-- line 1582 ----------------------------------------
-- line 1592 ----------------------------------------
        .                               *src_kind = ExternalSourceKind::AbsentErr;
        .                           }
        .           
        .                           false
        .                       } else {
        .                           self.src.is_some() || external_src.get_source().is_some()
        .                       }
        .                   } else {
      136 ( 0.00%)              self.src.is_some() || self.external_src.borrow().get_source().is_some()
        .                   }
    1,224 ( 0.00%)      }
        .           
        .               /// Gets a line from the list of pre-computed line-beginnings.
        .               /// The line number here is 0-based.
        .               pub fn get_line(&self, line_number: usize) -> Option<Cow<'_, str>> {
        .                   fn get_until_newline(src: &str, begin: usize) -> &str {
        .                       // We can't use `lines.get(line_number+1)` because we might
        .                       // be parsing when we call this function and thus the current
        .                       // line is the last one we have line info for.
-- line 1610 ----------------------------------------
-- line 1627 ----------------------------------------
        .                       Some(Cow::Owned(String::from(get_until_newline(src, begin))))
        .                   } else {
        .                       None
        .                   }
        .               }
        .           
        .               pub fn is_real_file(&self) -> bool {
        .                   self.name.is_real()
      370 ( 0.00%)      }
        .           
        .               pub fn is_imported(&self) -> bool {
        .                   self.src.is_none()
   14,019 ( 0.00%)      }
        .           
        .               pub fn count_lines(&self) -> usize {
        .                   self.lines.len()
        .               }
        .           
        .               /// Finds the line containing the given position. The return value is the
        .               /// index into the `lines` array of this `SourceFile`, not the 1-based line
        .               /// number. If the source_file is empty or the position is located before the
        .               /// first line, `None` is returned.
        .               pub fn lookup_line(&self, pos: BytePos) -> Option<usize> {
    1,716 ( 0.00%)          match self.lines.binary_search(&pos) {
        .                       Ok(idx) => Some(idx),
        .                       Err(0) => None,
        .                       Err(idx) => Some(idx - 1),
        .                   }
        .               }
        .           
        .               pub fn line_bounds(&self, line_index: usize) -> Range<BytePos> {
    3,355 ( 0.00%)          if self.is_empty() {
        .                       return self.start_pos..self.end_pos;
        .                   }
        .           
    2,427 ( 0.00%)          assert!(line_index < self.lines.len());
    3,288 ( 0.00%)          if line_index == (self.lines.len() - 1) {
        6 ( 0.00%)              self.lines[line_index]..self.end_pos
        .                   } else {
    2,188 ( 0.00%)              self.lines[line_index]..self.lines[line_index + 1]
        .                   }
        .               }
        .           
        .               /// Returns whether or not the file contains the given `SourceMap` byte
        .               /// position. The position one past the end of the file is considered to be
        .               /// contained by the file. This implies that files for which `is_empty`
        .               /// returns true still contain one byte position according to this function.
        .               #[inline]
-- line 1674 ----------------------------------------
-- line 1692 ----------------------------------------
        .                       Err(i) if i == 0 => 0,
        .                       Err(i) => self.normalized_pos[i - 1].diff,
        .                   };
        .           
        .                   BytePos::from_u32(pos.0 - self.start_pos.0 + diff)
        .               }
        .           
        .               /// Converts an absolute `BytePos` to a `CharPos` relative to the `SourceFile`.
       24 ( 0.00%)      pub fn bytepos_to_file_charpos(&self, bpos: BytePos) -> CharPos {
        .                   // The number of extra bytes due to multibyte chars in the `SourceFile`.
        .                   let mut total_extra_bytes = 0;
        .           
       72 ( 0.00%)          for mbc in self.multibyte_chars.iter() {
        .                       debug!("{}-byte char at {:?}", mbc.bytes, mbc.pos);
       36 ( 0.00%)              if mbc.pos < bpos {
        .                           // Every character is at least one byte, so we only
        .                           // count the actual extra bytes.
       48 ( 0.00%)                  total_extra_bytes += mbc.bytes as u32 - 1;
        .                           // We should never see a byte position in the middle of a
        .                           // character.
       40 ( 0.00%)                  assert!(bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32);
        .                       } else {
        .                           break;
        .                       }
        .                   }
        .           
      144 ( 0.00%)          assert!(self.start_pos.to_u32() + total_extra_bytes <= bpos.to_u32());
      120 ( 0.00%)          CharPos(bpos.to_usize() - self.start_pos.to_usize() - total_extra_bytes as usize)
       48 ( 0.00%)      }
        .           
        .               /// Looks up the file's (1-based) line number and (0-based `CharPos`) column offset, for a
        .               /// given `BytePos`.
       84 ( 0.00%)      pub fn lookup_file_pos(&self, pos: BytePos) -> (usize, CharPos) {
       24 ( 0.00%)          let chpos = self.bytepos_to_file_charpos(pos);
       11 ( 0.00%)          match self.lookup_line(pos) {
        .                       Some(a) => {
        .                           let line = a + 1; // Line numbers start at 1
       12 ( 0.00%)                  let linebpos = self.lines[a];
       24 ( 0.00%)                  let linechpos = self.bytepos_to_file_charpos(linebpos);
        .                           let col = chpos - linechpos;
        .                           debug!("byte pos {:?} is on the line at byte pos {:?}", pos, linebpos);
        .                           debug!("char pos {:?} is on the line at char pos {:?}", chpos, linechpos);
        .                           debug!("byte is on line: {}", line);
       12 ( 0.00%)                  assert!(chpos >= linechpos);
        .                           (line, col)
        .                       }
        .                       None => (0, chpos),
        .                   }
       96 ( 0.00%)      }
        .           
        .               /// Looks up the file's (1-based) line number, (0-based `CharPos`) column offset, and (0-based)
        .               /// column offset when displayed, for a given `BytePos`.
       96 ( 0.00%)      pub fn lookup_file_pos_with_col_display(&self, pos: BytePos) -> (usize, CharPos, usize) {
       36 ( 0.00%)          let (line, col_or_chpos) = self.lookup_file_pos(pos);
       24 ( 0.00%)          if line > 0 {
        .                       let col = col_or_chpos;
       12 ( 0.00%)              let linebpos = self.lines[line - 1];
        .                       let col_display = {
        .                           let start_width_idx = self
        .                               .non_narrow_chars
        .                               .binary_search_by_key(&linebpos, |x| x.pos())
        .                               .unwrap_or_else(|x| x);
        .                           let end_width_idx = self
        .                               .non_narrow_chars
        .                               .binary_search_by_key(&pos, |x| x.pos())
        .                               .unwrap_or_else(|x| x);
        .                           let special_chars = end_width_idx - start_width_idx;
        .                           let non_narrow: usize = self.non_narrow_chars[start_width_idx..end_width_idx]
        .                               .iter()
        .                               .map(|x| x.width())
        .                               .sum();
       60 ( 0.00%)                  col.0 - special_chars + non_narrow
        .                       };
        .                       (line, col, col_display)
        .                   } else {
        .                       let chpos = col_or_chpos;
        .                       let col_display = {
        .                           let end_width_idx = self
        .                               .non_narrow_chars
        .                               .binary_search_by_key(&pos, |x| x.pos())
        .                               .unwrap_or_else(|x| x);
        .                           let non_narrow: usize =
        .                               self.non_narrow_chars[0..end_width_idx].iter().map(|x| x.width()).sum();
        .                           chpos.0 - end_width_idx + non_narrow
        .                       };
        .                       (0, chpos, col_display)
        .                   }
       84 ( 0.00%)      }
        .           }
        .           
        .           /// Normalizes the source code and records the normalizations.
       40 ( 0.00%)  fn normalize_src(src: &mut String, start_pos: BytePos) -> Vec<NormalizedPos> {
        .               let mut normalized_pos = vec![];
        .               remove_bom(src, &mut normalized_pos);
        .               normalize_newlines(src, &mut normalized_pos);
        .           
        .               // Offset all the positions by start_pos to match the final file positions.
        .               for np in &mut normalized_pos {
        .                   np.pos.0 += start_pos.0;
        .               }
        .           
        .               normalized_pos
       36 ( 0.00%)  }
        .           
        .           /// Removes UTF-8 BOM, if any.
        .           fn remove_bom(src: &mut String, normalized_pos: &mut Vec<NormalizedPos>) {
        4 ( 0.00%)      if src.starts_with('\u{feff}') {
        .                   src.drain(..3);
        .                   normalized_pos.push(NormalizedPos { pos: BytePos(0), diff: 3 });
        .               }
        .           }
        .           
        .           /// Replaces `\r\n` with `\n` in-place in `src`.
        .           ///
        .           /// Returns error if there's a lone `\r` in the string.
        .           fn normalize_newlines(src: &mut String, normalized_pos: &mut Vec<NormalizedPos>) {
        4 ( 0.00%)      if !src.as_bytes().contains(&b'\r') {
        .                   return;
        .               }
        .           
        .               // We replace `\r\n` with `\n` in-place, which doesn't break utf-8 encoding.
        .               // While we *can* call `as_mut_vec` and do surgery on the live string
        .               // directly, let's rather steal the contents of `src`. This makes the code
        .               // safe even if a panic occurs.
        .           
-- line 1816 ----------------------------------------
-- line 1877 ----------------------------------------
        .               (
        .                   $(
        .                       $(#[$attr:meta])*
        .                       $vis:vis struct $ident:ident($inner_vis:vis $inner_ty:ty);
        .                   )*
        .               ) => {
        .                   $(
        .                       $(#[$attr])*
    6,581 ( 0.00%)              $vis struct $ident($inner_vis $inner_ty);
        .           
        .                       impl Pos for $ident {
        .                           #[inline(always)]
        .                           fn from_usize(n: usize) -> $ident {
      669 ( 0.00%)                      $ident(n as $inner_ty)
        .                           }
        .           
        .                           #[inline(always)]
        .                           fn to_usize(&self) -> usize {
   11,539 ( 0.00%)                      self.0 as usize
        .                           }
        .           
        .                           #[inline(always)]
        .                           fn from_u32(n: u32) -> $ident {
        .                               $ident(n as $inner_ty)
        .                           }
        .           
        .                           #[inline(always)]
-- line 1903 ----------------------------------------
-- line 1906 ----------------------------------------
        .                           }
        .                       }
        .           
        .                       impl Add for $ident {
        .                           type Output = $ident;
        .           
        .                           #[inline(always)]
        .                           fn add(self, rhs: $ident) -> $ident {
1,283,045 ( 0.22%)                      $ident(self.0 + rhs.0)
        .                           }
        .                       }
        .           
        .                       impl Sub for $ident {
        .                           type Output = $ident;
        .           
        .                           #[inline(always)]
        .                           fn sub(self, rhs: $ident) -> $ident {
  792,363 ( 0.14%)                      $ident(self.0 - rhs.0)
        .                           }
        .                       }
        .                   )*
        .               };
        .           }
        .           
        .           impl_pos! {
        .               /// A byte offset.
-- line 1931 ----------------------------------------
-- line 1946 ----------------------------------------
        .           impl<S: rustc_serialize::Encoder> Encodable<S> for BytePos {
        .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
        .                   s.emit_u32(self.0)
        .               }
        .           }
        .           
        .           impl<D: rustc_serialize::Decoder> Decodable<D> for BytePos {
        .               fn decode(d: &mut D) -> BytePos {
  156,910 ( 0.03%)          BytePos(d.read_u32())
        .               }
        .           }
        .           
        .           // _____________________________________________________________________________
        .           // Loc, SourceFileAndLine, SourceFileAndBytePos
        .           //
        .           
        .           /// A source code location used for error reporting.
-- line 1962 ----------------------------------------
-- line 2079 ----------------------------------------
        .               /// offsets into the `SourceMap`). Instead, we hash the (file name, line, column)
        .               /// triple, which stays the same even if the containing `SourceFile` has moved
        .               /// within the `SourceMap`.
        .               ///
        .               /// Also note that we are hashing byte offsets for the column, not unicode
        .               /// codepoint offsets. For the purpose of the hash that's sufficient.
        .               /// Also, hashing filenames is expensive so we avoid doing it twice when the
        .               /// span starts and ends in the same file, which is almost always the case.
   62,510 ( 0.01%)      fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
        .                   const TAG_VALID_SPAN: u8 = 0;
        .                   const TAG_INVALID_SPAN: u8 = 1;
        .                   const TAG_RELATIVE_SPAN: u8 = 2;
        .           
   13,792 ( 0.00%)          if !ctx.hash_spans() {
        .                       return;
        .                   }
        .           
   48,718 ( 0.01%)          let span = self.data_untracked();
   12,204 ( 0.00%)          span.ctxt.hash_stable(ctx, hasher);
   26,790 ( 0.00%)          span.parent.hash_stable(ctx, hasher);
        .           
   18,007 ( 0.00%)          if span.is_dummy() {
        .                       Hash::hash(&TAG_INVALID_SPAN, hasher);
        .                       return;
        .                   }
        .           
   17,566 ( 0.00%)          if let Some(parent) = span.parent {
        .                       let def_span = ctx.def_span(parent).data_untracked();
        .                       if def_span.contains(span) {
        .                           // This span is enclosed in a definition: only hash the relative position.
        .                           Hash::hash(&TAG_RELATIVE_SPAN, hasher);
        .                           (span.lo - def_span.lo).to_u32().hash_stable(ctx, hasher);
        .                           (span.hi - def_span.lo).to_u32().hash_stable(ctx, hasher);
        .                           return;
        .                       }
        .                   }
        .           
        .                   // If this is not an empty or invalid span, we want to hash the last
        .                   // position that belongs to it, as opposed to hashing the first
        .                   // position past it.
   35,132 ( 0.01%)          let (file, line_lo, col_lo, line_hi, col_hi) = match ctx.span_data_to_lines_and_cols(&span)
        .                   {
   17,566 ( 0.00%)              Some(pos) => pos,
        .                       None => {
        .                           Hash::hash(&TAG_INVALID_SPAN, hasher);
        .                           return;
        .                       }
        .                   };
        .           
        .                   Hash::hash(&TAG_VALID_SPAN, hasher);
        .                   // We truncate the stable ID hash and line and column numbers. The chances
-- line 2129 ----------------------------------------
-- line 2134 ----------------------------------------
        .                   // hash only the length, for example, then two otherwise equal spans with
        .                   // different end locations will have the same hash. This can cause a problem
        .                   // during incremental compilation wherein a previous result for a query that
        .                   // depends on the end location of a span will be incorrectly reused when the
        .                   // end location of the span it depends on has changed (see issue #74890). A
        .                   // similar analysis applies if some query depends specifically on the length
        .                   // of the span, but we only hash the end location. So hash both.
        .           
    8,783 ( 0.00%)          let col_lo_trunc = (col_lo.0 as u64) & 0xFF;
        .                   let line_lo_trunc = ((line_lo as u64) & 0xFF_FF_FF) << 8;
        .                   let col_hi_trunc = (col_hi.0 as u64) & 0xFF << 32;
        .                   let line_hi_trunc = ((line_hi as u64) & 0xFF_FF_FF) << 40;
        .                   let col_line = col_lo_trunc | line_lo_trunc | col_hi_trunc | line_hi_trunc;
    8,783 ( 0.00%)          let len = (span.hi - span.lo).0;
        .                   Hash::hash(&col_line, hasher);
        .                   Hash::hash(&len, hasher);
   71,440 ( 0.01%)      }
        .           }

1,073,796 ( 0.19%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs
--------------------------------------------------------------------------------
Ir                 

-- line 17 ----------------------------------------
        .                   #[inline]
        .                   pub fn $fn_name(
        .                       out: &mut [::std::mem::MaybeUninit<u8>; max_leb128_len!($int_ty)],
        .                       mut value: $int_ty,
        .                   ) -> &[u8] {
        .                       let mut i = 0;
        .           
        .                       loop {
  317,503 ( 0.05%)                  if value < 0x80 {
        .                               unsafe {
  120,818 ( 0.02%)                          *out.get_unchecked_mut(i).as_mut_ptr() = value as u8;
        .                               }
        .           
  186,735 ( 0.03%)                      i += 1;
        .                               break;
        .                           } else {
        .                               unsafe {
  173,952 ( 0.03%)                          *out.get_unchecked_mut(i).as_mut_ptr() = ((value & 0x7f) | 0x80) as u8;
        .                               }
        .           
   70,818 ( 0.01%)                      value >>= 7;
        .                               i += 1;
        .                           }
        .                       }
        .           
        .                       unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
        .                   }
        .               };
        .           }
-- line 45 ----------------------------------------
-- line 53 ----------------------------------------
        .           macro_rules! impl_read_unsigned_leb128 {
        .               ($fn_name:ident, $int_ty:ty) => {
        .                   #[inline]
        .                   pub fn $fn_name(slice: &[u8], position: &mut usize) -> $int_ty {
        .                       // The first iteration of this loop is unpeeled. This is a
        .                       // performance win because this code is hot and integer values less
        .                       // than 128 are very common, typically occurring 50-80% or more of
        .                       // the time, even for u64 and u128.
1,187,188 ( 0.20%)              let byte = slice[*position];
  593,594 ( 0.10%)              *position += 1;
  593,594 ( 0.10%)              if (byte & 0x80) == 0 {
      324 ( 0.00%)                  return byte as $int_ty;
        .                       }
      754 ( 0.00%)              let mut result = (byte & 0x7F) as $int_ty;
        .                       let mut shift = 7;
        .                       loop {
  453,189 ( 0.08%)                  let byte = slice[*position];
  297,884 ( 0.05%)                  *position += 1;
  302,126 ( 0.05%)                  if (byte & 0x80) == 0 {
  209,885 ( 0.04%)                      result |= (byte as $int_ty) << shift;
        .                               return result;
        .                           } else {
        .                               result |= ((byte & 0x7F) as $int_ty) << shift;
        .                           }
        .                           shift += 7;
        .                       }
        .                   }
        .               };
-- line 80 ----------------------------------------

  551,125 ( 0.10%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs
--------------------------------------------------------------------------------
Ir               

-- line 5 ----------------------------------------
      .           #[stable(feature = "alloc_system_type", since = "1.28.0")]
      .           unsafe impl GlobalAlloc for System {
      .               #[inline]
      .               unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
      .                   // jemalloc provides alignment less than MIN_ALIGN for small allocations.
      .                   // So only rely on MIN_ALIGN if size >= align.
      .                   // Also see <https://github.com/rust-lang/rust/issues/45955> and
      .                   // <https://github.com/rust-lang/rust/issues/62251#issuecomment-507580914>.
401,238 ( 0.07%)          if layout.align() <= MIN_ALIGN && layout.align() <= layout.size() {
300,927 ( 0.05%)              libc::malloc(layout.size()) as *mut u8
      .                   } else {
      .                       #[cfg(target_os = "macos")]
      .                       {
      .                           if layout.align() > (1 << 31) {
      .                               return ptr::null_mut();
      .                           }
      .                       }
      .                       aligned_malloc(&layout)
      .                   }
      .               }
      .           
      .               #[inline]
      .               unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
      .                   // See the comment above in `alloc` for why this check looks the way it does.
 23,144 ( 0.00%)          if layout.align() <= MIN_ALIGN && layout.align() <= layout.size() {
 34,716 ( 0.01%)              libc::calloc(layout.size(), 1) as *mut u8
      .                   } else {
      .                       let ptr = self.alloc(layout);
      .                       if !ptr.is_null() {
      .                           ptr::write_bytes(ptr, 0, layout.size());
      .                       }
      .                       ptr
      .                   }
      .               }
      .           
      .               #[inline]
      .               unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
106,085 ( 0.02%)          libc::free(ptr as *mut libc::c_void)
      .               }
      .           
      .               #[inline]
      .               unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
 38,764 ( 0.01%)          if layout.align() <= MIN_ALIGN && layout.align() <= new_size {
 77,528 ( 0.01%)              libc::realloc(ptr as *mut libc::c_void, new_size) as *mut u8
      .                   } else {
      .                       realloc_fallback(self, ptr, layout, new_size)
      .                   }
      .               }
      .           }
      .           
      .           cfg_if::cfg_if! {
      .               if #[cfg(any(
-- line 56 ----------------------------------------
-- line 84 ----------------------------------------
      .               } else if #[cfg(target_os = "wasi")] {
      .                   #[inline]
      .                   unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 {
      .                       libc::aligned_alloc(layout.align(), layout.size()) as *mut u8
      .                   }
      .               } else {
      .                   #[inline]
      .                   unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 {
      1 ( 0.00%)              let mut out = ptr::null_mut();
      .                       // posix_memalign requires that the alignment be a multiple of `sizeof(void*)`.
      .                       // Since these are all powers of 2, we can just use max.
      .                       let align = layout.align().max(crate::mem::size_of::<usize>());
      2 ( 0.00%)              let ret = libc::posix_memalign(&mut out, align, layout.size());
      2 ( 0.00%)              if ret != 0 { ptr::null_mut() } else { out as *mut u8 }
      .                   }
      .               }
      .           }

      1 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs
--------------------------------------------------------------------------------
Ir               

-- line 91 ----------------------------------------
      .           // maximum of number bytes needed to fill an 8-byte-sized element on which
      .           // SipHash operates. Note that for variable-sized copies which are known to be
      .           // less than 8 bytes, this function will perform more work than necessary unless
      .           // the compiler is able to optimize the extra work away.
      .           #[inline]
      .           unsafe fn copy_nonoverlapping_small(src: *const u8, dst: *mut u8, count: usize) {
      .               debug_assert!(count <= 8);
      .           
  9,661 ( 0.00%)      if count == 8 {
      .                   ptr::copy_nonoverlapping(src, dst, 8);
      .                   return;
      .               }
      .           
      .               let mut i = 0;
 13,650 ( 0.00%)      if i + 3 < count {
      .                   ptr::copy_nonoverlapping(src.add(i), dst.add(i), 4);
      .                   i += 4;
      .               }
      .           
 29,097 ( 0.01%)      if i + 1 < count {
      .                   ptr::copy_nonoverlapping(src.add(i), dst.add(i), 2);
  3,401 ( 0.00%)          i += 2
      .               }
      .           
 13,650 ( 0.00%)      if i < count {
  9,480 ( 0.00%)          *dst.add(i) = *src.add(i);
      .                   i += 1;
      .               }
      .           
      .               debug_assert_eq!(i, count);
      .           }
      .           
      .           // # Implementation
      .           //
-- line 124 ----------------------------------------
-- line 201 ----------------------------------------
      .           
      .                   hasher
      .               }
      .           
      .               // A specialized write function for values with size <= 8.
      .               #[inline]
      .               fn short_write<T>(&mut self, x: T) {
      .                   let size = mem::size_of::<T>();
 82,061 ( 0.01%)          let nbuf = self.nbuf;
      .                   debug_assert!(size <= 8);
      .                   debug_assert!(nbuf < BUFFER_SIZE);
      .                   debug_assert!(nbuf + size < BUFFER_WITH_SPILL_SIZE);
      .           
552,470 ( 0.10%)          if nbuf + size < BUFFER_SIZE {
      .                       unsafe {
      .                           // The memcpy call is optimized away because the size is known.
      .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
      .                           ptr::copy_nonoverlapping(&x as *const _ as *const u8, dst, size);
      .                       }
      .           
170,249 ( 0.03%)              self.nbuf = nbuf + size;
      .           
      .                       return;
      .                   }
      .           
 27,616 ( 0.00%)          unsafe { self.short_write_process_buffer(x) }
      .               }
      .           
      .               // A specialized write function for values with size <= 8 that should only
      .               // be called when the write would cause the buffer to fill.
      .               //
      .               // SAFETY: the write of `x` into `self.buf` starting at byte offset
      .               // `self.nbuf` must cause `self.buf` to become fully initialized (and not
      .               // overflow) if it wasn't already.
      .               #[inline(never)]
  8,590 ( 0.00%)      unsafe fn short_write_process_buffer<T>(&mut self, x: T) {
      .                   let size = mem::size_of::<T>();
  8,590 ( 0.00%)          let nbuf = self.nbuf;
      .                   debug_assert!(size <= 8);
      .                   debug_assert!(nbuf < BUFFER_SIZE);
      .                   debug_assert!(nbuf + size >= BUFFER_SIZE);
      .                   debug_assert!(nbuf + size < BUFFER_WITH_SPILL_SIZE);
      .           
      .                   // Copy first part of input into end of buffer, possibly into spill
      .                   // element. The memcpy call is optimized away because the size is known.
      .                   let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
      .                   ptr::copy_nonoverlapping(&x as *const _ as *const u8, dst, size);
      .           
      .                   // Process buffer.
      .                   for i in 0..BUFFER_CAPACITY {
 85,900 ( 0.01%)              let elem = self.buf.get_unchecked(i).assume_init().to_le();
 68,720 ( 0.01%)              self.state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut self.state);
 77,310 ( 0.01%)              self.state.v0 ^= elem;
      .                   }
      .           
      .                   // Copy remaining input into start of buffer by copying size - 1
      .                   // elements from spill (at most size - 1 bytes could have overflowed
      .                   // into the spill). The memcpy call is optimized away because the size
      .                   // is known. And the whole copy is optimized away for size == 1.
      .                   let src = self.buf.get_unchecked(BUFFER_SPILL_INDEX) as *const _ as *const u8;
      .                   ptr::copy_nonoverlapping(src, self.buf.as_mut_ptr() as *mut u8, size - 1);
      .           
      .                   // This function should only be called when the write fills the buffer.
      .                   // Therefore, when size == 1, the new `self.nbuf` must be zero. The size
      .                   // is statically known, so the branch is optimized away.
 40,486 ( 0.01%)          self.nbuf = if size == 1 { 0 } else { nbuf + size - BUFFER_SIZE };
 34,360 ( 0.01%)          self.processed += BUFFER_SIZE;
 17,180 ( 0.00%)      }
      .           
      .               // A write function for byte slices.
      .               #[inline]
      .               fn slice_write(&mut self, msg: &[u8]) {
      .                   let length = msg.len();
  4,933 ( 0.00%)          let nbuf = self.nbuf;
      .                   debug_assert!(nbuf < BUFFER_SIZE);
      .           
 38,211 ( 0.01%)          if nbuf + length < BUFFER_SIZE {
      .                       unsafe {
      .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
      .           
 14,098 ( 0.00%)                  if length <= 8 {
      .                               copy_nonoverlapping_small(msg.as_ptr(), dst, length);
      .                           } else {
      .                               // This memcpy is *not* optimized away.
      .                               ptr::copy_nonoverlapping(msg.as_ptr(), dst, length);
      .                           }
      .                       }
      .           
  7,084 ( 0.00%)              self.nbuf = nbuf + length;
      .           
      .                       return;
      .                   }
      .           
  3,634 ( 0.00%)          unsafe { self.slice_write_process_buffer(msg) }
      .               }
      .           
      .               // A write function for byte slices that should only be called when the
      .               // write would cause the buffer to fill.
      .               //
      .               // SAFETY: `self.buf` must be initialized up to the byte offset `self.nbuf`,
      .               // and `msg` must contain enough bytes to initialize the rest of the element
      .               // containing the byte offset `self.nbuf`.
      .               #[inline(never)]
  2,815 ( 0.00%)      unsafe fn slice_write_process_buffer(&mut self, msg: &[u8]) {
      .                   let length = msg.len();
    563 ( 0.00%)          let nbuf = self.nbuf;
      .                   debug_assert!(nbuf < BUFFER_SIZE);
      .                   debug_assert!(nbuf + length >= BUFFER_SIZE);
      .           
      .                   // Always copy first part of input into current element of buffer.
      .                   // This function should only be called when the write fills the buffer,
      .                   // so we know that there is enough input to fill the current element.
  1,689 ( 0.00%)          let valid_in_elem = nbuf % ELEM_SIZE;
    563 ( 0.00%)          let needed_in_elem = ELEM_SIZE - valid_in_elem;
      .           
      .                   let src = msg.as_ptr();
      .                   let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
      .                   copy_nonoverlapping_small(src, dst, needed_in_elem);
      .           
      .                   // Process buffer.
      .           
      .                   // Using `nbuf / ELEM_SIZE + 1` rather than `(nbuf + needed_in_elem) /
      .                   // ELEM_SIZE` to show the compiler that this loop's upper bound is > 0.
      .                   // We know that is true, because last step ensured we have a full
      .                   // element in the buffer.
  1,126 ( 0.00%)          let last = nbuf / ELEM_SIZE + 1;
      .           
      .                   for i in 0..last {
  4,383 ( 0.00%)              let elem = self.buf.get_unchecked(i).assume_init().to_le();
  4,946 ( 0.00%)              self.state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut self.state);
  8,766 ( 0.00%)              self.state.v0 ^= elem;
      .                   }
      .           
      .                   // Process the remaining element-sized chunks of input.
      .                   let mut processed = needed_in_elem;
  1,126 ( 0.00%)          let input_left = length - processed;
    417 ( 0.00%)          let elems_left = input_left / ELEM_SIZE;
      .                   let extra_bytes_left = input_left % ELEM_SIZE;
      .           
      .                   for _ in 0..elems_left {
    218 ( 0.00%)              let elem = (msg.as_ptr().add(processed) as *const u64).read_unaligned().to_le();
    218 ( 0.00%)              self.state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut self.state);
    218 ( 0.00%)              self.state.v0 ^= elem;
    436 ( 0.00%)              processed += ELEM_SIZE;
      .                   }
      .           
      .                   // Copy remaining input into start of buffer.
      .                   let src = msg.as_ptr().add(processed);
      .                   let dst = self.buf.as_mut_ptr() as *mut u8;
      .                   copy_nonoverlapping_small(src, dst, extra_bytes_left);
      .           
    563 ( 0.00%)          self.nbuf = extra_bytes_left;
  2,815 ( 0.00%)          self.processed += nbuf + processed;
  3,378 ( 0.00%)      }
      .           
      .               #[inline]
      .               pub fn finish128(mut self) -> (u64, u64) {
      .                   debug_assert!(self.nbuf < BUFFER_SIZE);
      .           
      .                   // Process full elements in buffer.
  6,024 ( 0.00%)          let last = self.nbuf / ELEM_SIZE;
      .           
      .                   // Since we're consuming self, avoid updating members for a potential
      .                   // performance gain.
  8,032 ( 0.00%)          let mut state = self.state;
      .           
      .                   for i in 0..last {
  5,889 ( 0.00%)              let elem = unsafe { self.buf.get_unchecked(i).assume_init().to_le() };
  5,889 ( 0.00%)              state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut state);
  5,889 ( 0.00%)              state.v0 ^= elem;
      .                   }
      .           
      .                   // Get remaining partial element.
  4,016 ( 0.00%)          let elem = if self.nbuf % ELEM_SIZE != 0 {
      .                       unsafe {
      .                           // Ensure element is initialized by writing zero bytes. At most
      .                           // `ELEM_SIZE - 1` are required given the above check. It's safe
      .                           // to write this many because we have the spill and we maintain
      .                           // `self.nbuf` such that this write will start before the spill.
      .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(self.nbuf);
      .                           ptr::write_bytes(dst, 0, ELEM_SIZE - 1);
  1,821 ( 0.00%)                  self.buf.get_unchecked(last).assume_init().to_le()
      .                       }
      .                   } else {
      .                       0
      .                   };
      .           
      .                   // Finalize the hash.
  5,698 ( 0.00%)          let length = self.processed + self.nbuf;
  3,736 ( 0.00%)          let b: u64 = ((length as u64 & 0xff) << 56) | elem;
      .           
  1,868 ( 0.00%)          state.v3 ^= b;
      .                   Sip24Rounds::c_rounds(&mut state);
  1,868 ( 0.00%)          state.v0 ^= b;
      .           
  1,868 ( 0.00%)          state.v2 ^= 0xee;
      .                   Sip24Rounds::d_rounds(&mut state);
  5,856 ( 0.00%)          let _0 = state.v0 ^ state.v1 ^ state.v2 ^ state.v3;
      .           
  2,118 ( 0.00%)          state.v1 ^= 0xdd;
      .                   Sip24Rounds::d_rounds(&mut state);
  2,118 ( 0.00%)          let _1 = state.v0 ^ state.v1 ^ state.v2 ^ state.v3;
      .           
      .                   (_0, _1)
      .               }
      .           }
      .           
      .           impl Hasher for SipHasher128 {
      .               #[inline]
      .               fn write_u8(&mut self, i: u8) {
-- line 414 ----------------------------------------
-- line 471 ----------------------------------------
      .           }
      .           
      .           #[derive(Debug, Clone, Default)]
      .           struct Sip24Rounds;
      .           
      .           impl Sip24Rounds {
      .               #[inline]
      .               fn c_rounds(state: &mut State) {
334,591 ( 0.06%)          compress!(state);
363,231 ( 0.06%)          compress!(state);
      .               }
      .           
      .               #[inline]
      .               fn d_rounds(state: &mut State) {
 11,708 ( 0.00%)          compress!(state);
 11,708 ( 0.00%)          compress!(state);
 11,708 ( 0.00%)          compress!(state);
  9,841 ( 0.00%)          compress!(state);
      .               }
      .           }

 66,376 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs>

--------------------------------------------------------------------------------
The following files chosen for auto-annotation could not be found:
--------------------------------------------------------------------------------
  ./elf/../sysdeps/x86_64/dl-machine.h
  ./elf/dl-lookup.c
  ./elf/do-rel.h
  ./malloc/malloc.c
  ./string/../sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S
  ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
  ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S
  ./string/../sysdeps/x86_64/multiarch/strcmp-avx2.S
  ./string/../sysdeps/x86_64/multiarch/strlen-avx2.S
  /tmp/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/../../../../gcc-5.5.0/libstdc++-v3/libsupc++/new_op.cc

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67,058,246 (11.56%)  events annotated