-------------------------------------------------------------------------------- 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 build src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=246a5e594f1b3469 -C extra-filename=-246a5e594f1b3469 --out-dir /usr/home/liquid/tmp/.tmpGa2gqw/target/debug/deps -L dependency=/usr/home/liquid/tmp/.tmpGa2gqw/target/debug/deps -Adeprecated -Aunknown-lints -Zincremental-verify-ich Data file: results/cgout-w-profiling-winapi-build-0.1.1-Debug-Full Events recorded: Ir Events shown: Ir Event sort order: Ir Thresholds: 0.1 Include dirs: User annotated: Auto-annotation: on -------------------------------------------------------------------------------- Ir -------------------------------------------------------------------------------- 624,665,897 (100.0%) PROGRAM TOTALS -------------------------------------------------------------------------------- Ir file:function -------------------------------------------------------------------------------- 37,989,986 ( 6.08%) ???:llvm::FPPassManager::runOnFunction(llvm::Function&) 20,875,733 ( 3.34%) ./malloc/malloc.c:_int_malloc 17,344,959 ( 2.78%) ./malloc/malloc.c:_int_free 11,699,281 ( 1.87%) ???:llvm::SelectionDAG::Combine(llvm::CombineLevel, llvm::AAResults*, llvm::CodeGenOpt::Level) 11,069,317 ( 1.77%) ./malloc/malloc.c:malloc 10,309,062 ( 1.65%) ./elf/dl-lookup.c:_dl_lookup_symbol_x 8,015,096 ( 1.28%) ???:llvm::PMDataManager::verifyPreservedAnalysis(llvm::Pass*) 7,366,749 ( 1.18%) ???:llvm::AttributeList::addAttributes(llvm::LLVMContext&, unsigned int, llvm::AttrBuilder const&) const 7,305,521 ( 1.17%) ???:(anonymous namespace)::Verifier::visitInstruction(llvm::Instruction&) 6,303,874 ( 1.01%) ???:llvm::raw_svector_ostream::write_impl(char const*, unsigned long) 6,128,798 ( 0.98%) ???:(anonymous namespace)::Verifier::visitMDNode(llvm::MDNode const&, (anonymous namespace)::Verifier::AreDebugLocsAllowed) 5,921,708 ( 0.95%) ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:__memset_avx2_erms 5,644,444 ( 0.90%) ???:llvm::MachineInstr::addOperand(llvm::MachineFunction&, llvm::MachineOperand const&) 5,040,823 ( 0.81%) ???:(anonymous namespace)::RegAllocFast::allocateBasicBlock(llvm::MachineBasicBlock&) 5,019,835 ( 0.80%) ./malloc/malloc.c:free 4,845,537 ( 0.78%) ./elf/dl-lookup.c:do_lookup_x 4,516,996 ( 0.72%) ???:llvm::MCExpr::evaluateAsRelocatableImpl(llvm::MCValue&, llvm::MCAssembler const*, llvm::MCAsmLayout const*, llvm::MCFixup const*, llvm::DenseMap, llvm::detail::DenseMapPair > const*, bool) const 4,251,008 ( 0.68%) ???:llvm::PassRegistry::enumerateWith(llvm::PassRegistrationListener*) 4,141,271 ( 0.66%) ./elf/../sysdeps/x86_64/dl-machine.h:_dl_relocate_object 3,940,523 ( 0.63%) ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:__memcpy_avx_unaligned_erms 3,844,100 ( 0.62%) ???:llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, unsigned int) 3,722,014 ( 0.60%) ???:llvm::StringMapImpl::LookupBucketFor(llvm::StringRef) 3,568,496 ( 0.57%) ???:llvm::X86TargetLowering::X86TargetLowering(llvm::X86TargetMachine const&, llvm::X86Subtarget const&) 3,405,361 ( 0.55%) ./string/../sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S:__memcmp_avx2_movbe 3,182,430 ( 0.51%) ???:llvm::TargetRegisterInfo::checkAllSuperRegsMarked(llvm::BitVector const&, llvm::ArrayRef) const 3,166,817 ( 0.51%) ???:llvm::coro::declaresIntrinsics(llvm::Module const&, std::initializer_list) 3,161,500 ( 0.51%) ???:llvm::MCObjectStreamer::emitBytes(llvm::StringRef) 3,052,960 ( 0.49%) ???:llvm::TargetLoweringBase::computeRegisterProperties(llvm::TargetRegisterInfo const*) 3,023,407 ( 0.48%) ???:(anonymous namespace)::VarLocBasedLDV::process(llvm::MachineInstr&, (anonymous namespace)::VarLocBasedLDV::OpenRangesSet&, (anonymous namespace)::VarLocBasedLDV::VarLocMap&, llvm::SmallVector<(anonymous namespace)::VarLocBasedLDV::TransferDebugPair, 4u>&) 3,020,645 ( 0.48%) ./malloc/malloc.c:malloc_consolidate 2,911,207 ( 0.47%) ./string/../sysdeps/x86_64/multiarch/strcmp-avx2.S:__strncmp_avx2 2,910,809 ( 0.47%) ???:SetImpliedBits(llvm::FeatureBitset&, llvm::FeatureBitset const&, llvm::ArrayRef) 2,800,137 ( 0.45%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs:>::decode 2,660,658 ( 0.43%) ???:llvm::TargetRegisterInfo::shouldRealignStack(llvm::MachineFunction const&) const 2,482,010 ( 0.40%) /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs:>::decode 2,453,330 ( 0.39%) ./malloc/malloc.c:unlink_chunk.constprop.0 2,407,688 ( 0.39%) ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:__memcpy_sse2_unaligned_erms 2,362,384 ( 0.38%) ???:(anonymous namespace)::Verifier::verify(llvm::Function const&) [clone .llvm.4153962086227604281] 2,356,362 ( 0.38%) ???:llvm::ScheduleDAGSDNodes::BuildSchedUnits() 2,334,056 ( 0.37%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:>::decode 2,294,288 ( 0.37%) ???:llvm::MCAsmLayout::getSymbolOffset(llvm::MCSymbol const&) const 2,271,920 ( 0.36%) ???:llvm::SmallSet >::insert(llvm::Register const&) 2,247,486 ( 0.36%) ???:multikeySort(llvm::MutableArrayRef*>, int) 2,234,958 ( 0.36%) ???:(anonymous namespace)::Verifier::verifyFunctionAttrs(llvm::FunctionType*, llvm::AttributeList, llvm::Value const*, bool) 2,160,809 ( 0.35%) ???:llvm::FoldingSetBase::FindNodeOrInsertPos(llvm::FoldingSetNodeID const&, void*&, llvm::FoldingSetBase::FoldingSetInfo const&) 2,139,033 ( 0.34%) ./elf/do-rel.h:_dl_relocate_object 2,121,900 ( 0.34%) ???:llvm::PMDataManager::removeNotPreservedAnalysis(llvm::Pass*) 2,118,521 ( 0.34%) ???:(anonymous namespace)::Verifier::visitCallBase(llvm::CallBase&) 2,028,780 ( 0.32%) ???:llvm::TargetLoweringBase::getTypeConversion(llvm::LLVMContext&, llvm::EVT) const 2,011,679 ( 0.32%) ???:llvm::MCAsmLayout::getFragmentOffset(llvm::MCFragment const*) const 1,920,020 ( 0.31%) ???:(anonymous namespace)::TwoAddressInstructionPass::runOnMachineFunction(llvm::MachineFunction&) 1,915,530 ( 0.31%) ???:(anonymous namespace)::X86MCCodeEmitter::emitPrefixImpl(unsigned int&, llvm::MCInst const&, llvm::MCSubtargetInfo const&, llvm::raw_ostream&) const 1,849,475 ( 0.30%) ???:llvm::FoldingSetNodeID::AddInteger(unsigned int) 1,745,336 ( 0.28%) ???:llvm::DomTreeBuilder::SemiNCAInfo >::CalculateFromScratch(llvm::DominatorTreeBase&, llvm::DomTreeBuilder::SemiNCAInfo >::BatchUpdateInfo*) 1,742,765 ( 0.28%) ???:llvm::MetadataTracking::track(void*, llvm::Metadata&, llvm::PointerUnion) 1,699,722 ( 0.27%) ???:(anonymous namespace)::VarLocBasedLDV::ExtendRanges(llvm::MachineFunction&, llvm::TargetPassConfig*) [clone .llvm.4451506318407214204] 1,638,377 ( 0.26%) ???:llvm::MCContext::getOrCreateSymbol(llvm::Twine const&) 1,527,405 ( 0.24%) ???:(anonymous namespace)::PEI::runOnMachineFunction(llvm::MachineFunction&) 1,507,818 ( 0.24%) ???:(anonymous namespace)::ELFObjectWriter::recordRelocation(llvm::MCAssembler&, llvm::MCAsmLayout const&, llvm::MCFragment const*, llvm::MCFixup const&, llvm::MCValue, unsigned long&) [clone .llvm.14145361893594770252] 1,506,514 ( 0.24%) ???:llvm::SelectionDAG::MorphNodeTo(llvm::SDNode*, unsigned int, llvm::SDVTList, llvm::ArrayRef) 1,459,392 ( 0.23%) ???:llvm::DAGTypeLegalizer::run() 1,459,359 ( 0.23%) /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) 1,421,699 ( 0.23%) ???:(anonymous namespace)::SelectionDAGLegalize::LegalizeOp(llvm::SDNode*) [clone .llvm.8386621111310650999] 1,414,490 ( 0.23%) ???:llvm::X86FrameLowering::hasFP(llvm::MachineFunction const&) const 1,405,351 ( 0.22%) ???:llvm::calculateDbgEntityHistory(llvm::MachineFunction const*, llvm::TargetRegisterInfo const*, llvm::DbgValueHistoryMap&, llvm::DbgLabelInstrMap&) 1,397,763 ( 0.22%) ???:(anonymous namespace)::GetCFGOnlyPasses::passEnumerate(llvm::PassInfo const*) [clone .llvm.764396836974782617] 1,383,424 ( 0.22%) ???:llvm::InstrEmitter::EmitMachineNode(llvm::SDNode*, bool, bool, llvm::DenseMap, llvm::detail::DenseMapPair >&) 1,383,299 ( 0.22%) ???:(anonymous namespace)::ELFWriter::writeObject(llvm::MCAssembler&, llvm::MCAsmLayout const&) 1,354,920 ( 0.22%) ???:(anonymous namespace)::Verifier::visitFunction(llvm::Function const&)::$_3::operator()(llvm::Instruction const&, llvm::MDNode const*) const 1,352,761 ( 0.22%) ???:llvm::LLVMContextImpl::~LLVMContextImpl() 1,341,404 ( 0.21%) ./stdlib/msort.c:msort_with_tmp.part.0 1,318,397 ( 0.21%) ???:llvm::MDNode::MDNode(llvm::LLVMContext&, unsigned int, llvm::Metadata::StorageType, llvm::ArrayRef, llvm::ArrayRef) 1,286,322 ( 0.21%) ???:llvm::raw_ostream::write(char const*, unsigned long) 1,275,190 ( 0.20%) ???:llvm::SelectionDAG::Legalize() 1,259,241 ( 0.20%) ???:llvm::FoldingSet::NodeEquals(llvm::FoldingSetBase const*, llvm::FoldingSetBase::Node*, llvm::FoldingSetNodeID const&, unsigned int, llvm::FoldingSetNodeID&) 1,257,559 ( 0.20%) ???:llvm::FunctionLoweringInfo::set(llvm::Function const&, llvm::MachineFunction&, llvm::SelectionDAG*) 1,237,060 ( 0.20%) ???:(anonymous namespace)::X86MCInstLower::Lower(llvm::MachineInstr const*, llvm::MCInst&) const 1,221,766 ( 0.20%) ???:llvm::X86_MC::initLLVMToSEHAndCVRegMapping(llvm::MCRegisterInfo*) 1,220,240 ( 0.20%) ./string/../sysdeps/x86_64/multiarch/strlen-avx2.S:__strlen_avx2 1,204,455 ( 0.19%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:::read_u32 1,180,247 ( 0.19%) ???:llvm::MachineFunctionPass::runOnFunction(llvm::Function&) 1,173,220 ( 0.19%) ???:llvm::MCStreamer::emitULEB128IntValue(unsigned long, unsigned int) 1,163,820 ( 0.19%) ???:(anonymous namespace)::DAGCombiner::combine(llvm::SDNode*) 1,162,314 ( 0.19%) ???:llvm::MachineFunction::CreateMachineInstr(llvm::MCInstrDesc const&, llvm::DebugLoc const&, bool) 1,145,563 ( 0.18%) ???:llvm::SelectionDAG::getConstant(llvm::ConstantInt const&, llvm::SDLoc const&, llvm::EVT, bool, bool) 1,138,912 ( 0.18%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs:>::decode 1,136,145 ( 0.18%) ???:llvm::MCAssembler::layout(llvm::MCAsmLayout&) 1,134,050 ( 0.18%) ???:llvm::DataLayout::getAlignment(llvm::Type*, bool) const 1,115,761 ( 0.18%) ???:??? 1,076,489 ( 0.17%) ???:(anonymous namespace)::X86MCCodeEmitter::encodeInstruction(llvm::MCInst const&, llvm::raw_ostream&, llvm::SmallVectorImpl&, llvm::MCSubtargetInfo const&) const 1,074,540 ( 0.17%) /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:, >::decode::{closure#0}>, ::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call as alloc::vec::spec_extend::SpecExtend, >::decode::{closure#0}>, ::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}> 1,070,531 ( 0.17%) /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:::new_imported_source_file 1,067,557 ( 0.17%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:::new_imported_source_file 1,063,022 ( 0.17%) ???:llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) 1,054,043 ( 0.17%) ???:llvm::Twine::printOneChild(llvm::raw_ostream&, llvm::Twine::Child, llvm::Twine::NodeKind) const 1,042,584 ( 0.17%) ???:llvm::DwarfDebug::beginInstruction(llvm::MachineInstr const*) 1,040,842 ( 0.17%) /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:::lookup_source_file_idx 1,034,222 ( 0.17%) ???:llvm::MDString::get(llvm::LLVMContext&, llvm::StringRef) 1,023,402 ( 0.16%) ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:__memset_avx2_unaligned_erms 1,021,696 ( 0.16%) /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:::lookup_line 1,021,696 ( 0.16%) /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:::line_begin_pos 1,008,704 ( 0.16%) ???:llvm::PMTopLevelManager::AUFoldingSetNode::Profile(llvm::FoldingSetNodeID&, llvm::AnalysisUsage const&) 1,005,609 ( 0.16%) ???:llvm::X86TargetMachine::getTargetTransformInfo(llvm::Function const&) 1,003,380 ( 0.16%) ???:llvm::MCELFStreamer::emitLabel(llvm::MCSymbol*, llvm::SMLoc) 989,921 ( 0.16%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:::read_u32 986,871 ( 0.16%) /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:, (), core::hash::BuildHasherDefault>>::from_hash::>::{closure#0}> 978,156 ( 0.16%) ???:(anonymous namespace)::ScheduleDAGRRList::Schedule() [clone .llvm.6953762222372402862] 951,376 ( 0.15%) ???:(anonymous namespace)::RegAllocFast::markRegUsedInInstr(unsigned short) 937,274 ( 0.15%) ???:(anonymous namespace)::CFIInstrInserter::runOnMachineFunction(llvm::MachineFunction&) 935,585 ( 0.15%) ???:llvm::DILocation::getImpl(llvm::LLVMContext&, unsigned int, unsigned int, llvm::Metadata*, llvm::Metadata*, bool, llvm::Metadata::StorageType, bool) 929,273 ( 0.15%) ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:memcpy@GLIBC_2.2.5 914,547 ( 0.15%) ???:llvm::BumpPtrAllocatorImpl::Allocate(unsigned long, llvm::Align) 913,752 ( 0.15%) /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-hash-1.1.0/src/lib.rs:<&str as core::hash::Hash>::hash:: 866,356 ( 0.14%) ./elf/dl-lookup.c:check_match 863,340 ( 0.14%) ???:(anonymous namespace)::X86AsmBackend::applyFixup(llvm::MCAssembler const&, llvm::MCFixup const&, llvm::MCValue const&, llvm::MutableArrayRef, unsigned long, bool, llvm::MCSubtargetInfo const*) const 860,449 ( 0.14%) ???:(anonymous namespace)::X86MCCodeEmitter::emitMemModRMByte(llvm::MCInst const&, unsigned int, unsigned int, unsigned long, bool, unsigned long, llvm::raw_ostream&, llvm::SmallVectorImpl&, llvm::MCSubtargetInfo const&, bool) const 851,918 ( 0.14%) ./nptl/pthread_rwlock_common.c:pthread_rwlock_unlock 849,111 ( 0.14%) ???:llvm::AsmPrinter::emitFunctionBody() 843,660 ( 0.14%) ???:llvm::X86RegisterInfo::getReservedRegs(llvm::MachineFunction const&) const 821,888 ( 0.13%) ???:llvm::LegacyLegalizerInfo::computeTables() 818,525 ( 0.13%) ???:llvm::MCELFStreamer::emitInstToData(llvm::MCInst const&, llvm::MCSubtargetInfo const&) 816,153 ( 0.13%) /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:)>>::remove_entry::>::{closure#0}> 807,914 ( 0.13%) ./malloc/malloc.c:realloc 802,200 ( 0.13%) ???:llvm::MCDwarfLineAddr::Encode(llvm::MCContext&, llvm::MCDwarfLineTableParams, long, unsigned long, llvm::raw_ostream&) 795,346 ( 0.13%) ???:llvm::X86RegisterInfo::eliminateFrameIndex(llvm::MachineInstrBundleIterator, int, unsigned int, llvm::RegScavenger*) const 785,299 ( 0.13%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:::read_usize 781,639 ( 0.13%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs:, >::decode::{closure#0}>, ::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call as alloc::vec::spec_extend::SpecExtend, >::decode::{closure#0}>, ::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}> 780,376 ( 0.12%) ???:llvm::X86TargetMachine::getSubtargetImpl(llvm::Function const&) const 778,629 ( 0.12%) ???:llvm::AttributeSetNode::get(llvm::LLVMContext&, llvm::AttrBuilder const&) 774,316 ( 0.12%) ???:llvm::MCObjectStreamer::emitInstruction(llvm::MCInst const&, llvm::MCSubtargetInfo const&) 765,884 ( 0.12%) ???:(anonymous namespace)::VarLocBasedLDV::collectIDsForRegs(llvm::SmallSet >&, llvm::SmallSet > const&, llvm::CoalescingBitVector const&, (anonymous namespace)::VarLocBasedLDV::VarLocMap const&) 756,693 ( 0.12%) ???:llvm::ScheduleDAGSDNodes::AddSchedEdges() 755,286 ( 0.12%) ???:llvm::DenseMapBase, llvm::detail::DenseMapPair >, llvm::MCRegister, int, llvm::DenseMapInfo, llvm::detail::DenseMapPair >::moveFromOldBuckets(llvm::detail::DenseMapPair*, llvm::detail::DenseMapPair*) 752,720 ( 0.12%) ???:bool llvm::DenseMapBase, llvm::detail::DenseSetPair >, llvm::DILocation*, llvm::detail::DenseSetEmpty, llvm::MDNodeInfo, llvm::detail::DenseSetPair >::LookupBucketFor(llvm::DILocation* const&, llvm::detail::DenseSetPair const*&) const 738,647 ( 0.12%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:::read_usize 727,899 ( 0.12%) ???:llvm::MCObjectStreamer::emitValueImpl(llvm::MCExpr const*, unsigned int, llvm::SMLoc) 724,655 ( 0.12%) ???:llvm::DomTreeBuilder::SemiNCAInfo >::runSemiNCA(llvm::DominatorTreeBase&, unsigned int) 716,018 ( 0.11%) ???:llvm::MetadataAsValue::get(llvm::LLVMContext&, llvm::Metadata*) 715,236 ( 0.11%) ???:llvm::SelectionDAG::getRegister(unsigned int, llvm::EVT) 712,491 ( 0.11%) /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:, >::decode::{closure#0}>, ::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call as alloc::vec::spec_extend::SpecExtend, >::decode::{closure#0}>, ::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}> 706,280 ( 0.11%) ???:llvm::SelectionDAG::AssignTopologicalOrder() 696,182 ( 0.11%) ???:llvm::LazyCallGraph::Node::populateSlow() 696,061 ( 0.11%) ???:llvm::Function::dropAllReferences() 694,549 ( 0.11%) ???:llvm::StringMapImpl::RehashTable(unsigned int) 686,445 ( 0.11%) ???:llvm::SelectionDAG::getNode(unsigned int, llvm::SDLoc const&, llvm::SDVTList, llvm::ArrayRef) 681,101 ( 0.11%) ???:llvm::X86FrameLowering::getFrameIndexReference(llvm::MachineFunction const&, int, llvm::Register&) const 670,161 ( 0.11%) ???:llvm::CoalescingBitVector::find(unsigned long) const 667,076 ( 0.11%) ???:llvm::MCAssembler::layoutSectionOnce(llvm::MCAsmLayout&, llvm::MCSection&) 658,156 ( 0.11%) ???:llvm::Module::getOrInsertFunction(llvm::StringRef, llvm::FunctionType*) 644,201 ( 0.10%) ???:llvm::PMTopLevelManager::setLastUser(llvm::ArrayRef, llvm::Pass*) -------------------------------------------------------------------------------- -- 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 { 44,883 ( 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> { 9 ( 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 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])> { 63 ( 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> { 3,766 ( 0.00%) 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> { 28,088 ( 0.00%) 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 { 56,783 ( 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 { 1 ( 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) { 796 ( 0.00%) let _ = &self[a]; 4,344 ( 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 { 1,985 ( 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]) { 312 ( 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]) { 1,650 ( 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. 750 ( 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, . { 20 ( 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(); 3,923 ( 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()); 5,689 ( 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 . 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 . where . F: FnMut(&'a T) -> Ordering, . { . let mut size = self.len(); . let mut left = 0; . let mut right = size; 513,359 ( 0.08%) while left < right { 900,054 ( 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. 113,109 ( 0.02%) 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. 231,465 ( 0.04%) if cmp == Less { 547,138 ( 0.09%) left = mid + 1; 114,400 ( 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); . } . 690,232 ( 0.11%) 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, . ); . } . 2,224 ( 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::(), mem::size_of::()); . let ts: usize = mem::size_of::() / gcd; . let us: usize = mem::size_of::() / 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! 202 ( 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::()) }; 202 ( 0.00%) if offset > self.len() { . (self, &[], &[]) . } else { . let (left, rest) = self.split_at(offset); . let (us_len, ts_len) = rest.align_to_offsets::(); . // 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), 202 ( 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 ---------------------------------------- 344,846 ( 0.06%) -------------------------------------------------------------------------------- -- 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 = 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 { 129,399 ( 0.02%) Vec { buf: RawVec::NEW, len: 0 } 59 ( 0.00%) } . . /// Constructs a new, empty `Vec` 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 { 96,612 ( 0.02%) Vec { buf: RawVec::with_capacity_in(capacity, alloc), len: 0 } . } . . /// Creates a `Vec` 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 { 2,914 ( 0.00%) unsafe { Vec { buf: RawVec::from_raw_parts_in(ptr, capacity, alloc), len: length } } . } . . /// Decomposes a `Vec` 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 = Vec::with_capacity(10); . /// assert_eq!(vec.capacity(), 10); . /// ``` . #[inline] . #[stable(feature = "rust1", since = "1.0.0")] . pub fn capacity(&self) -> usize { 11,838 ( 0.00%) self.buf.capacity() . } . . /// Reserves capacity for at least `additional` more elements to be inserted . /// in the given `Vec`. 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) { 26,678 ( 0.00%) self.buf.reserve(self.len, additional); . } . . /// Reserves the minimum capacity for exactly `additional` more elements to . /// be inserted in the given `Vec`. 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) { 796 ( 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`. 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. 1,001 ( 0.00%) if self.capacity() > self.len { 200 ( 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(); 112 ( 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")] 1,863 ( 0.00%) 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. 2,379 ( 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); 4,890 ( 0.00%) self.len = len; 165 ( 0.00%) ptr::drop_in_place(s); . } 2,216 ( 0.00%) } . . /// 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. 182,529 ( 0.03%) 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. 482,812 ( 0.08%) 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()); . 30,853 ( 0.00%) self.len = new_len; 546 ( 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")] 196 ( 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); . } . 28 ( 0.00%) let len = self.len(); 68 ( 0.00%) if index > len { . assert_failed(index, len); . } . . // space for the new element 164 ( 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.) 246 ( 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); . } 164 ( 0.00%) self.set_len(len + 1); . } 168 ( 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); . } . 60 ( 0.00%) let len = self.len(); 240 ( 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. . ret = ptr::read(ptr); . . // Shift everything down to fill in that spot. 178 ( 0.00%) ptr::copy(ptr.offset(1), ptr, len - index - 1); . } 60 ( 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")] 6,789 ( 0.00%) pub fn retain(&mut self, mut f: F) . where . F: FnMut(&T) -> bool, . { 176 ( 0.00%) self.retain_mut(|elem| f(elem)); 6,656 ( 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(&mut self, mut f: F) . where . F: FnMut(&mut T) -> bool, . { 861 ( 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, . processed_len: usize, . deleted_cnt: usize, . original_len: usize, . } . . impl Drop for BackshiftOnDrop<'_, T, A> { . fn drop(&mut self) { 797 ( 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), 492 ( 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( . original_len: usize, . f: &mut F, . g: &mut BackshiftOnDrop<'_, T, A>, . ) where . F: FnMut(&mut T) -> bool, . { 9,883 ( 0.00%) 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) }; 3,041 ( 0.00%) if !f(cur) { . // Advance early to avoid double drop if `drop_in_place` panicked. 447 ( 0.00%) g.processed_len += 1; 234 ( 0.00%) g.deleted_cnt += 1; . // SAFETY: We never touch this element again after dropped. 52 ( 0.00%) 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 { 432 ( 0.00%) let hole_slot = g.v.as_mut_ptr().add(g.processed_len - g.deleted_cnt); . ptr::copy_nonoverlapping(cur, hole_slot, 1); . } . } 363 ( 0.00%) g.processed_len += 1; . } . } . . // Stage 1: Nothing was deleted. . process_loop::(original_len, &mut f, &mut g); . . // Stage 2: Some elements were deleted. . process_loop::(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")] 7 ( 0.00%) pub fn dedup_by(&mut self, mut same_bucket: F) . where . F: FnMut(&mut T, &mut T) -> bool, . { 22 ( 0.00%) let len = self.len(); 54 ( 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 { 130 ( 0.00%) while gap.read < len { . let read_ptr = ptr.add(gap.read); . let prev_ptr = ptr.add(gap.write.wrapping_sub(1)); . . 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); -- line 1686 ---------------------------------------- -- line 1688 ---------------------------------------- . 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 */ 78 ( 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); . } 8 ( 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")] 20 ( 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. 1,296,064 ( 0.21%) if self.len == self.buf.capacity() { 36,183 ( 0.01%) self.buf.reserve_for_push(self.len); . } . unsafe { 15,098 ( 0.00%) let end = self.as_mut_ptr().add(self.len); . ptr::write(end, value); 1,364,846 ( 0.22%) self.len += 1; . } 16 ( 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 { 38,414 ( 0.01%) if self.len == 0 { 7 ( 0.00%) None . } else { . unsafe { 25,114 ( 0.00%) self.len -= 1; 5,224 ( 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 1789 ---------------------------------------- . } . . /// 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); 14,271 ( 0.00%) let len = self.len(); 4 ( 0.00%) unsafe { ptr::copy_nonoverlapping(other as *const T, self.as_mut_ptr().add(len), count) }; 64,714 ( 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. . // 650 ( 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). 110 ( 0.00%) let range_slice = slice::from_raw_parts_mut(self.as_mut_ptr().add(start), end - start); 314 ( 0.00%) Drain { . tail_start: end, 108 ( 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) { 2,660 ( 0.00%) 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 { 21,491 ( 0.00%) 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); . } . 3 ( 0.00%) if at > self.len() { . assert_failed(at, self.len()); . } . 3 ( 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")] 659 ( 0.00%) pub fn resize_with(&mut self, new_len: usize, f: F) . where . F: FnMut() -> T, . { 87 ( 0.00%) let len = self.len(); 174 ( 0.00%) if new_len > len { 336 ( 0.00%) self.extend_with(new_len - len, ExtendFunc(f)); . } else { . self.truncate(new_len); . } 572 ( 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] { . // 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, 20 ( 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`. . /// . /// 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")] 420 ( 0.00%) pub fn resize(&mut self, new_len: usize, value: T) { 42 ( 0.00%) let len = self.len(); . 126 ( 0.00%) if new_len > len { 90 ( 0.00%) self.extend_with(new_len - len, ExtendElement(value)) . } else { . self.truncate(new_len); . } 58 ( 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 Vec { . #[cfg(not(no_global_oom_handling))] . /// Extend the vector by `n` values, using the given generator. 5,057 ( 0.00%) fn extend_with>(&mut self, n: usize, mut value: E) { . self.reserve(n); . . unsafe { 88 ( 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); . } . 10,567 ( 0.00%) 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 . } 4,017 ( 0.00%) } . } . . impl Vec { . /// 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) { 2 ( 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")] 5,981 ( 0.00%) pub fn from_elem(elem: T, n: usize) -> Vec { 17,109 ( 0.00%) ::from_elem(elem, n, Global) 6,807 ( 0.00%) } . . #[doc(hidden)] . #[cfg(not(no_global_oom_handling))] . #[unstable(feature = "allocator_api", issue = "32838")] . pub fn from_elem_in(elem: T, n: usize, alloc: A) -> Vec { . ::from_elem(elem, n, alloc) . } . -- line 2367 ---------------------------------------- -- line 2424 ---------------------------------------- . // Common trait implementations for Vec . //////////////////////////////////////////////////////////////////////////////// . . #[stable(feature = "rust1", since = "1.0.0")] . impl ops::Deref for Vec { . type Target = [T]; . . fn deref(&self) -> &[T] { 296,875 ( 0.05%) unsafe { slice::from_raw_parts(self.as_ptr(), self.len) } 5 ( 0.00%) } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl ops::DerefMut for Vec { . fn deref_mut(&mut self) -> &mut [T] { 41,609 ( 0.01%) 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 Clone for Vec { . #[cfg(not(test))] 3,269 ( 0.00%) fn clone(&self) -> Self { . let alloc = self.allocator().clone(); 2 ( 0.00%) <[T]>::to_vec_in(&**self, alloc) 4,031 ( 0.00%) } . . // 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, A: Allocator> Index for Vec { . type Output = I::Output; . . #[inline] . fn index(&self, index: I) -> &Self::Output { 2,475 ( 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`" . )] -- line 2534 ---------------------------------------- -- line 2539 ---------------------------------------- . } . } . . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl FromIterator for Vec { . #[inline] . fn from_iter>(iter: I) -> Vec { 86,196 ( 0.01%) >::from_iter(iter.into_iter()) . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl IntoIterator for Vec { . type Item = T; . type IntoIter = IntoIter; . -- line 2555 ---------------------------------------- -- line 2564 ---------------------------------------- . /// for s in v.into_iter() { . /// // s has type String, not &String . /// println!("{}", s); . /// } . /// ``` . #[inline] . fn into_iter(self) -> IntoIter { . unsafe { 17,518 ( 0.00%) let mut me = ManuallyDrop::new(self); . let alloc = ptr::read(me.allocator()); . let begin = me.as_mut_ptr(); . let end = if mem::size_of::() == 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(); 9,104 ( 0.00%) IntoIter { . buf: NonNull::new_unchecked(begin), . phantom: PhantomData, . cap, . alloc, . ptr: begin, . end, . } . } -- line 2589 ---------------------------------------- -- line 2591 ---------------------------------------- . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl<'a, T, A: Allocator> IntoIterator for &'a Vec { . type Item = &'a T; . type IntoIter = slice::Iter<'a, T>; . . fn into_iter(self) -> slice::Iter<'a, T> { 17 ( 0.00%) self.iter() . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl<'a, T, A: Allocator> IntoIterator for &'a mut Vec { . type Item = &'a mut T; . type IntoIter = slice::IterMut<'a, T>; . . fn into_iter(self) -> slice::IterMut<'a, T> { 1,066 ( 0.00%) self.iter_mut() . } . } . . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "rust1", since = "1.0.0")] . impl Extend for Vec { . #[inline] 376 ( 0.00%) fn extend>(&mut self, iter: I) { 17,645 ( 0.00%) >::spec_extend(self, iter.into_iter()) 376 ( 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>(&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); . // } 13,534 ( 0.00%) while let Some(element) = iterator.next() { 638 ( 0.00%) let len = self.len(); 22,254 ( 0.00%) if len == self.capacity() { 363 ( 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 18,973 ( 0.00%) self.set_len(len + 1); . } . } 39 ( 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(&mut self, range: R, replace_with: I) -> Splice<'_, I::IntoIter, A> . where . R: RangeBounds, . I: IntoIterator, . { 22 ( 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(&mut self, filter: F) -> DrainFilter<'_, T, F, A> . where . F: FnMut(&mut T) -> bool, . { 315 ( 0.00%) let old_len = self.len(); . . // Guard against us getting leaked (leak amplification) . unsafe { . self.set_len(0); . } . 424 ( 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. . /// . /// [`copy_from_slice`]: slice::copy_from_slice . #[cfg(not(no_global_oom_handling))] . #[stable(feature = "extend_ref", since = "1.2.0")] . impl<'a, T: Copy + 'a, A: Allocator + 'a> Extend<&'a T> for Vec { 2,392 ( 0.00%) fn extend>(&mut self, iter: I) { . self.spec_extend(iter.into_iter()) 1,794 ( 0.00%) } . . #[inline] . fn extend_one(&mut self, &item: &'a T) { . self.push(item); . } . . #[inline] . fn extend_reserve(&mut self, additional: usize) { -- line 2783 ---------------------------------------- -- 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 { 30,545 ( 0.00%) 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 17,112 ( 0.00%) ptr::drop_in_place(ptr::slice_from_raw_parts_mut(self.as_mut_ptr(), self.len)) . } . // RawVec handles deallocation 35,586 ( 0.01%) } . } . . #[stable(feature = "rust1", since = "1.0.0")] . #[rustc_const_unstable(feature = "const_default_impls", issue = "87864")] . impl const Default for Vec { . /// Creates an empty `Vec`. . fn default() -> Vec { . 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) -> 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 { . /// Allocate a `Vec` and fill it with a UTF-8 string. . /// -- line 2992 ---------------------------------------- 82,821 ( 0.01%) -------------------------------------------------------------------------------- -- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs -------------------------------------------------------------------------------- Ir -- line 17 ---------------------------------------- . #[inline] . pub fn $fn_name( . out: &mut [::std::mem::MaybeUninit; max_leb128_len!($int_ty)], . mut value: $int_ty, . ) -> &[u8] { . let mut i = 0; . . loop { 6,149 ( 0.00%) if value < 0x80 { . unsafe { 2,566 ( 0.00%) *out.get_unchecked_mut(i).as_mut_ptr() = value as u8; . } . 3,372 ( 0.00%) i += 1; . break; . } else { . unsafe { 3,676 ( 0.00%) *out.get_unchecked_mut(i).as_mut_ptr() = ((value & 0x7f) | 0x80) as u8; . } . 959 ( 0.00%) value >>= 7; . i += 1; . } . } . . unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) } . } . }; . } -- line 45 ---------------------------------------- -- line 53 ---------------------------------------- . macro_rules! impl_read_unsigned_leb128 { . ($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. 1,612,692 ( 0.26%) let byte = slice[*position]; 806,346 ( 0.13%) *position += 1; 806,346 ( 0.13%) if (byte & 0x80) == 0 { 1,352 ( 0.00%) return byte as $int_ty; . } 1,104 ( 0.00%) let mut result = (byte & 0x7F) as $int_ty; . let mut shift = 7; . loop { 513,414 ( 0.08%) let byte = slice[*position]; 335,643 ( 0.05%) *position += 1; 342,276 ( 0.05%) if (byte & 0x80) == 0 { 264,354 ( 0.04%) result |= (byte as $int_ty) << shift; . return result; . } else { . result |= ((byte & 0x7F) as $int_ty) << shift; . } . shift += 7; . } . } . }; -- line 80 ---------------------------------------- 550,089 ( 0.09%) -------------------------------------------------------------------------------- -- 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) { 191,787 ( 0.03%) self.hash = self.hash.rotate_left(5).bitxor(i).wrapping_mul(K); . } . } . . impl Hasher for FxHasher { . #[inline] 2,600 ( 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()); . 47,277 ( 0.01%) let mut hash = FxHasher { hash: self.hash }; . assert!(size_of::() <= 8); 678,594 ( 0.11%) while bytes.len() >= size_of::() { . hash.add_to_hash(read_usize(bytes) as usize); . bytes = &bytes[size_of::()..]; . } 101,700 ( 0.02%) if (size_of::() > 4) && (bytes.len() >= 4) { . hash.add_to_hash(u32::from_ne_bytes(bytes[..4].try_into().unwrap()) as usize); . bytes = &bytes[4..]; . } 101,700 ( 0.02%) if (size_of::() > 2) && bytes.len() >= 2 { . hash.add_to_hash(u16::from_ne_bytes(bytes[..2].try_into().unwrap()) as usize); . bytes = &bytes[2..]; . } 113,021 ( 0.02%) if (size_of::() > 1) && bytes.len() >= 1 { 23,425 ( 0.00%) hash.add_to_hash(bytes[0] as usize); . } 3,517 ( 0.00%) self.hash = hash.hash; 2,600 ( 0.00%) } . . #[inline] . fn write_u8(&mut self, i: u8) { 775 ( 0.00%) self.add_to_hash(i as usize); . } . . #[inline] . fn write_u16(&mut self, i: u16) { 3 ( 0.00%) self.add_to_hash(i as usize); . } . . #[inline] . fn write_u32(&mut self, i: u32) { 58,905 ( 0.01%) 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 ---------------------------------------- 2,606 ( 0.00%) -------------------------------------------------------------------------------- -- 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, . } . . impl Encoder { 1 ( 0.00%) pub fn new(data: Vec) -> Encoder { 4 ( 0.00%) Encoder { data } 1 ( 0.00%) } . 1 ( 0.00%) pub fn into_inner(self) -> Vec { 4 ( 0.00%) self.data 1 ( 0.00%) } . . #[inline] . pub fn position(&self) -> usize { 220 ( 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 = $enc.data.len(); . -- line 40 ---------------------------------------- -- line 67 ---------------------------------------- . . #[inline] . fn emit_unit(&mut self) -> EncodeResult { . Ok(()) . } . . #[inline] . fn emit_usize(&mut self, v: usize) -> EncodeResult { 12,239 ( 0.00%) write_leb128!(self, v, usize, write_usize_leb128) . } . . #[inline] . fn emit_u128(&mut self, v: u128) -> EncodeResult { 14 ( 0.00%) write_leb128!(self, v, u128, write_u128_leb128) . } . . #[inline] . fn emit_u64(&mut self, v: u64) -> EncodeResult { 301 ( 0.00%) write_leb128!(self, v, u64, write_u64_leb128) . } . . #[inline] . fn emit_u32(&mut self, v: u32) -> EncodeResult { 4,671 ( 0.00%) write_leb128!(self, v, u32, write_u32_leb128) . } . . #[inline] . fn emit_u16(&mut self, v: u16) -> EncodeResult { . self.data.extend_from_slice(&v.to_le_bytes()); . Ok(()) . } . -- line 98 ---------------------------------------- -- line 131 ---------------------------------------- . #[inline] . fn emit_i8(&mut self, v: i8) -> EncodeResult { . let as_u8: u8 = unsafe { std::mem::transmute(v) }; . self.emit_u8(as_u8) . } . . #[inline] . fn emit_bool(&mut self, v: bool) -> EncodeResult { 19 ( 0.00%) self.emit_u8(if v { 1 } else { 0 }) . } . . #[inline] . fn emit_f64(&mut self, v: f64) -> EncodeResult { . let as_u64: u64 = v.to_bits(); . self.emit_u64(as_u64) . } . -- line 147 ---------------------------------------- -- line 549 ---------------------------------------- . #[inline] . pub fn advance(&mut self, bytes: usize) { . self.position += bytes; . } . . #[inline] . pub fn read_raw_bytes(&mut self, bytes: usize) -> &'a [u8] { . let start = self.position; 19 ( 0.00%) self.position += bytes; 19 ( 0.00%) &self.data[start..self.position] . } . } . . macro_rules! read_leb128 { . ($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 { 1,228 ( 0.00%) read_leb128!(self, read_u128_leb128) . } . . #[inline] . fn read_u64(&mut self) -> u64 { 2,704 ( 0.00%) read_leb128!(self, read_u64_leb128) . } . . #[inline] 36,250 ( 0.01%) fn read_u32(&mut self) -> u32 { 172,951 ( 0.03%) read_leb128!(self, read_u32_leb128) 72,500 ( 0.01%) } . . #[inline] . fn read_u16(&mut self) -> u16 { 561,407 ( 0.09%) let bytes = [self.data[self.position], self.data[self.position + 1]]; 80,201 ( 0.01%) let value = u16::from_le_bytes(bytes); 160,408 ( 0.03%) self.position += 2; . value . } . . #[inline] . fn read_u8(&mut self) -> u8 { 1,892,188 ( 0.30%) let value = self.data[self.position]; 373,610 ( 0.06%) self.position += 1; . value . } . . #[inline] 226,274 ( 0.04%) fn read_usize(&mut self) -> usize { 226,290 ( 0.04%) read_leb128!(self, read_usize_leb128) 452,548 ( 0.07%) } . . #[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(); 16,243 ( 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> { 32,452 ( 0.01%) let len = self.read_usize(); 169,896 ( 0.03%) let sentinel = self.data[self.position + len]; 42,486 ( 0.01%) assert!(sentinel == STR_SENTINEL); . let s = unsafe { . std::str::from_utf8_unchecked(&self.data[self.position..self.position + len]) . }; 106,215 ( 0.02%) self.position += len + 1; 32,484 ( 0.01%) Cow::Borrowed(s) . } . . #[inline] . fn read_raw_bytes_into(&mut self, s: &mut [u8]) { 449 ( 0.00%) let start = self.position; 2,150 ( 0.00%) self.position += s.len(); 449 ( 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 ---------------------------------------- 494,895 ( 0.08%) -------------------------------------------------------------------------------- -- 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, . hygiene_data: Lock, . source_map: Lock>>, . } . . 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(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(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(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(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(f: F) -> R . where . F: FnOnce(&SessionGlobals) -> R, . { 17,203 ( 0.00%) SESSION_GLOBALS.with(f) . } . . #[inline] . pub fn create_default_session_globals_then(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. 13 ( 0.00%) #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd)] 1,050 ( 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(&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 2,650 ( 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 Encodable for RealFileName { . fn encode(&self, encoder: &mut S) -> Result<(), S::Error> { 2 ( 0.00%) encoder.emit_enum(|encoder| match *self { . RealFileName::LocalPath(ref local_path) => { 8 ( 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 { 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 { 4,164 ( 0.00%) match self { . RealFileName::LocalPath(p) . | RealFileName::Remapped { local_path: _, virtual_name: p } => &p, . } 2 ( 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 { 1 ( 0.00%) match self { . RealFileName::LocalPath(path) . | RealFileName::Remapped { local_path: None, virtual_name: path } . | RealFileName::Remapped { local_path: Some(path), virtual_name: _ } => path, . } . } . 72 ( 0.00%) pub fn to_string_lossy(&self, display_pref: FileNameDisplayPreference) -> Cow<'_, str> { 1,061 ( 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() . } . } 108 ( 0.00%) } . } . . /// Differentiates between real files and common virtual files. 5,435 ( 0.00%) #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash)] 6,353 ( 0.00%) #[derive(Decodable, Encodable)] . pub enum FileName { . Real(RealFileName), . /// Call to `quote!`. . QuoteExpansion(u64), . /// Command line. . Anon(u64), . /// Hack in `src/librustc_ast/parse.rs`. . // FIXME(jseyfried) -- line 281 ---------------------------------------- -- 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 for FileName { 7 ( 0.00%) fn from(p: PathBuf) -> Self { 2 ( 0.00%) assert!(!p.to_string_lossy().ends_with('>')); 6 ( 0.00%) FileName::Real(RealFileName::LocalPath(p)) 7 ( 0.00%) } . } . 34 ( 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<'_> { 3,828 ( 0.00%) fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { . use FileName::*; 5,742 ( 0.00%) match *self.inner { . Real(ref name) => { 5,742 ( 0.00%) write!(fmt, "{}", name.to_string_lossy(self.display_pref)) . } . QuoteExpansion(_) => write!(fmt, ""), . MacroExpansion(_) => write!(fmt, ""), . Anon(_) => write!(fmt, ""), . ProcMacroSourceCode(_) => write!(fmt, ""), . CfgSpec(_) => write!(fmt, ""), . CliCrateAttr(_) => write!(fmt, ""), . Custom(ref s) => write!(fmt, "<{}>", s), . DocTest(ref path, _) => write!(fmt, "{}", path.display()), . InlineAsm(_) => write!(fmt, ""), . } 4,785 ( 0.00%) } . } . . impl FileNameDisplay<'_> { 128 ( 0.00%) pub fn to_string_lossy(&self) -> Cow<'_, str> { 96 ( 0.00%) match self.inner { 32 ( 0.00%) FileName::Real(ref inner) => inner.to_string_lossy(self.display_pref), . _ => Cow::from(format!("{}", self)), . } 128 ( 0.00%) } . } . . impl FileName { . pub fn is_real(&self) -> bool { . use FileName::*; 2,970 ( 0.00%) match *self { . Real(_) => true, . Anon(_) . | MacroExpansion(_) . | ProcMacroSourceCode(_) . | CfgSpec(_) . | CliCrateAttr(_) . | Custom(_) . | QuoteExpansion(_) . | DocTest(_, _) . | InlineAsm(_) => false, . } . } . 988 ( 0.00%) pub fn prefer_remapped(&self) -> FileNameDisplay<'_> { . FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Remapped } 1,976 ( 0.00%) } . . // This may include transient local filesystem information. . // Must not be embedded in build outputs. 1 ( 0.00%) pub fn prefer_local(&self) -> FileNameDisplay<'_> { . FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Local } 2 ( 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 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 { 1 ( 0.00%) pub lo: BytePos, 1 ( 0.00%) pub hi: BytePos, . /// Information about where the macro came from, if this piece of . /// code was created by a macro expansion. 3 ( 0.00%) pub ctxt: SyntaxContext, 1 ( 0.00%) pub parent: Option, . } . . // 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) -> 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 { 6,709 ( 0.00%) self.lo.0 == 0 && self.hi.0 == 0 . } . /// Returns `true` if `self` fully encloses `other`. . pub fn contains(self, other: Self) -> bool { 15 ( 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 { 784 ( 0.00%) fn partial_cmp(&self, rhs: &Self) -> Option { 588 ( 0.00%) PartialOrd::partial_cmp(&self.data(), &rhs.data()) 784 ( 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] 873 ( 0.00%) pub fn with_lo(self, lo: BytePos) -> Span { . self.data().with_lo(lo) 582 ( 0.00%) } . #[inline] 152 ( 0.00%) pub fn hi(self) -> BytePos { . self.data().hi 152 ( 0.00%) } . #[inline] 360 ( 0.00%) pub fn with_hi(self, hi: BytePos) -> Span { . self.data().with_hi(hi) 240 ( 0.00%) } . #[inline] . pub fn ctxt(self) -> SyntaxContext { . self.data_untracked().ctxt . } . #[inline] 60 ( 0.00%) pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span { . self.data_untracked().with_ctxt(ctxt) 36 ( 0.00%) } . #[inline] . pub fn parent(self) -> Option { . self.data().parent . } . #[inline] . pub fn with_parent(self, ctxt: Option) -> Span { . self.data().with_parent(ctxt) . } -- line 566 ---------------------------------------- -- 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] 6 ( 0.00%) pub fn shrink_to_hi(self) -> Span { . let span = self.data_untracked(); . span.with_lo(span.hi) 4 ( 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`. 45 ( 0.00%) pub fn contains(self, other: Span) -> bool { . let span = self.data(); . let other = other.data(); . span.contains(other) 30 ( 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 { . 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`. 50 ( 0.00%) pub fn find_ancestor_inside(mut self, outer: Span) -> Option { 25 ( 0.00%) while !outer.contains(self) { . self = self.parent_callsite()?; . } . Some(self) 55 ( 0.00%) } . . /// Edition of the crate from which this span came. 150 ( 0.00%) pub fn edition(self) -> edition::Edition { . self.ctxt().edition() 100 ( 0.00%) } . . #[inline] . pub fn rust_2015(self) -> bool { 28 ( 0.00%) self.edition() == edition::Edition::Edition2015 . } . . #[inline] . pub fn rust_2018(self) -> bool { 16 ( 0.00%) self.edition() >= edition::Edition::Edition2018 . } . . #[inline] . pub fn rust_2021(self) -> bool { 28 ( 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 { -- 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]`). 90 ( 0.00%) pub fn allows_unstable(self, feature: Symbol) -> bool { 18 ( 0.00%) self.ctxt() . .outer_expn_data() . .allow_internal_unstable . .map_or(false, |features| features.iter().any(|&f| f == feature)) 72 ( 0.00%) } . . /// Checks if this span arises from a compiler desugaring of kind `kind`. 154 ( 0.00%) pub fn is_desugaring(self, kind: DesugaringKind) -> bool { 132 ( 0.00%) match self.ctxt().outer_expn_data().kind { . ExpnKind::Desugaring(k) => k == kind, . _ => false, . } 110 ( 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 { . match self.ctxt().outer_expn_data().kind { . ExpnKind::Desugaring(k) => Some(k), . _ => None, . } -- line 736 ---------------------------------------- -- line 767 ---------------------------------------- . . /// Returns a `Span` that would enclose both `self` and `end`. . /// . /// ```text . /// ____ ___ . /// self lorem ipsum end . /// ^^^^^^^^^^^^^^^^^^^^ . /// ``` 1,782 ( 0.00%) 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. 316 ( 0.00%) if span_data.ctxt != end_data.ctxt { 8 ( 0.00%) if span_data.ctxt == SyntaxContext::root() { . return end; 8 ( 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 }, 1,078 ( 0.00%) if span_data.parent == end_data.parent { span_data.parent } else { None }, . ) 1,458 ( 0.00%) } . . /// Returns a `Span` between the end of `self` to the beginning of `end`. . /// . /// ```text . /// ____ ___ . /// self lorem ipsum end . /// ^^^^^^^^^^^^^ . /// ``` -- line 804 ---------------------------------------- -- line 815 ---------------------------------------- . . /// Returns a `Span` from the beginning of `self` until the beginning of `end`. . /// . /// ```text . /// ____ ___ . /// self lorem ipsum end . /// ^^^^^^^^^^^^^^^^^ . /// ``` 22 ( 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. 4 ( 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 }, 14 ( 0.00%) if span_data.parent == end_data.parent { span_data.parent } else { None }, . ) 18 ( 0.00%) } . 33 ( 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, . ) 21 ( 0.00%) } . . /// 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 { 62 ( 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 { 2 ( 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). 384 ( 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)) 224 ( 0.00%) } . . #[inline] . pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span { . let span = self.data(); 288 ( 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 { . 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] 495 ( 0.00%) pub fn normalize_to_macros_2_0_and_adjust(&mut self, expn_id: ExpnId) -> Option { 330 ( 0.00%) let mut span = self.data(); 275 ( 0.00%) let mark = span.ctxt.normalize_to_macros_2_0_and_adjust(expn_id); 495 ( 0.00%) *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); . mark 550 ( 0.00%) } . . #[inline] . pub fn glob_adjust(&mut self, expn_id: ExpnId, glob_span: Span) -> Option> { . 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 . } -- line 922 ---------------------------------------- -- line 929 ---------------------------------------- . ) -> Option> { . let mut span = self.data(); . let mark = span.ctxt.reverse_glob_adjust(expn_id, glob_span); . *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); . mark . } . . #[inline] 152 ( 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()) 133 ( 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, . } . . impl Default for Span { . fn default() -> Self { . DUMMY_SP 2 ( 0.00%) } . } . . impl Encodable 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>(source_map: Lrc, 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 { 10 ( 0.00%) MultiSpan { primary_spans: vec![primary_span], span_labels: vec![] } . } . . pub fn from_spans(mut vec: Vec) -> MultiSpan { . vec.sort(); . MultiSpan { primary_spans: vec, span_labels: vec![] } . } . . pub fn push_span_label(&mut self, span: Span, label: String) { -- line 1064 ---------------------------------------- -- 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 for MultiSpan { 10 ( 0.00%) fn from(span: Span) -> MultiSpan { . MultiSpan::from_span(span) 10 ( 0.00%) } . } . . impl From> for MultiSpan { . fn from(spans: Vec) -> MultiSpan { . MultiSpan::from_spans(spans) . } . } . . /// Identifies an offset of a multi-byte character in a `SourceFile`. 11 ( 0.00%) #[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`. 308 ( 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 for NonNarrowChar { . type Output = Self; . . fn add(self, rhs: BytePos) -> Self { 532 ( 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 for NonNarrowChar { . type Output = Self; . 154 ( 0.00%) fn sub(self, rhs: BytePos) -> Self { 532 ( 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), . } 462 ( 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, . } . 3 ( 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 1257 ---------------------------------------- . AbsentOk, . /// A failed attempt has been made to load the external source. . AbsentErr, . Unneeded, . } . . impl ExternalSource { . pub fn get_source(&self) -> Option<&Lrc> { 33 ( 0.00%) match self { . ExternalSource::Foreign { kind: ExternalSourceKind::Present(ref src), .. } => Some(src), . _ => None, . } . } . } . . #[derive(Debug)] . pub struct OffsetOverflowError; . 1,066 ( 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. 6 ( 0.00%) #[derive(Copy, Clone, PartialEq, Eq, Debug)] 2,132 ( 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 => { 3 ( 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 1324 ---------------------------------------- . . /// Check if the stored hash matches the hash of the string. . pub fn matches(&self, src: &str) -> bool { . Self::new(self.kind, src) == *self . } . . /// The bytes of the hash. . pub fn hash_bytes(&self) -> &[u8] { 80 ( 0.00%) let len = self.hash_len(); 80 ( 0.00%) &self.value[..len] 80 ( 0.00%) } . . fn hash_len(&self) -> usize { 163 ( 0.00%) match self.kind { . SourceFileHashAlgorithm::Md5 => 16, . SourceFileHashAlgorithm::Sha1 => 20, . SourceFileHashAlgorithm::Sha256 => 32, . } . } . } . . /// A single source in the [`SourceMap`]. 58 ( 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., ``). . pub name: FileName, . /// The complete source code. 1 ( 0.00%) pub src: Option>, . /// 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, . /// 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, . /// Locations of multi-byte characters in the source code. . pub multibyte_chars: Vec, . /// Width of characters that are not narrow in the source code. . pub non_narrow_chars: Vec, . /// Locations of characters removed during normalization. . pub normalized_pos: Vec, . /// A hash of the filename, used for speeding up hashing in incremental compilation. 1 ( 0.00%) pub name_hash: u128, . /// Indicates which crate this `SourceFile` was imported from. 1 ( 0.00%) pub cnum: CrateNum, . } . . impl Encodable 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)?; . 4 ( 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 { 2 ( 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); . 2 ( 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))?; 3 ( 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))?; 11 ( 0.00%) s.emit_struct_field("cnum", false, |s| self.cnum.encode(s)) . }) . } . } . . impl Decodable for SourceFile { 4,797 ( 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 = d.read_struct_field("lines", |d| { . let num_lines: u32 = Decodable::decode(d); 533 ( 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 { 867,562 ( 0.14%) 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 = . d.read_struct_field("multibyte_chars", |d| Decodable::decode(d)); . let non_narrow_chars: Vec = . d.read_struct_field("non_narrow_chars", |d| Decodable::decode(d)); 1,066 ( 0.00%) let name_hash: u128 = d.read_struct_field("name_hash", |d| Decodable::decode(d)); . let normalized_pos: Vec = . d.read_struct_field("normalized_pos", |d| Decodable::decode(d)); . let cnum: CrateNum = d.read_struct_field("cnum", |d| Decodable::decode(d)); 5,863 ( 0.00%) SourceFile { 4,264 ( 0.00%) name, . start_pos, . end_pos, . src: None, 2,132 ( 0.00%) src_hash, . // Unused - the metadata decoder will construct . // a new SourceFile, filling in `external_src` properly . external_src: Lock::new(ExternalSource::Unneeded), 2,132 ( 0.00%) lines, 2,132 ( 0.00%) multibyte_chars, 2,132 ( 0.00%) non_narrow_chars, 2,132 ( 0.00%) normalized_pos, . name_hash, . cnum, . } . }) 4,797 ( 0.00%) } . } . . impl fmt::Debug for SourceFile { . fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { . write!(fmt, "SourceFile({:?})", self.name) . } . } . . impl SourceFile { 11 ( 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); 3 ( 0.00%) let normalized_pos = normalize_src(&mut src, start_pos); . . let name_hash = { . let mut hasher: StableHasher = StableHasher::new(); 2 ( 0.00%) name.hash(&mut hasher); . hasher.finish::() . }; 2 ( 0.00%) let end_pos = start_pos.to_usize() + src.len(); 3 ( 0.00%) assert!(end_pos <= u32::MAX as usize); . 12 ( 0.00%) let (lines, multibyte_chars, non_narrow_chars) = 2 ( 0.00%) analyze_source_file::analyze_source_file(&src, start_pos); . 17 ( 0.00%) SourceFile { . name, . src: Some(Lrc::new(src)), 11 ( 0.00%) src_hash, . external_src: Lock::new(ExternalSource::Unneeded), . start_pos, . end_pos: Pos::from_usize(end_pos), 4 ( 0.00%) lines, 4 ( 0.00%) multibyte_chars, 4 ( 0.00%) non_narrow_chars, 4 ( 0.00%) normalized_pos, . name_hash, . cnum: LOCAL_CRATE, . } 9 ( 0.00%) } . . /// Returns the `BytePos` of the beginning of the current line. 14,176 ( 0.00%) pub fn line_begin_pos(&self, pos: BytePos) -> BytePos { . let line_index = self.lookup_line(pos).unwrap(); 7,088 ( 0.00%) self.lines[line_index] 14,176 ( 0.00%) } . . /// 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. 35 ( 0.00%) pub fn add_external_src(&self, get_src: F) -> bool . where . F: FnOnce() -> Option, . { 5 ( 0.00%) if matches!( 10 ( 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 { 5 ( 0.00%) self.src.is_some() || self.external_src.borrow().get_source().is_some() . } 45 ( 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> { . 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() 1,485 ( 0.00%) } . . pub fn is_imported(&self) -> bool { . self.src.is_none() 1,486 ( 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 { 13,870 ( 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 { 141 ( 0.00%) if self.is_empty() { . return self.start_pos..self.end_pos; . } . 88 ( 0.00%) assert!(line_index < self.lines.len()); 129 ( 0.00%) if line_index == (self.lines.len() - 1) { 8 ( 0.00%) self.lines[line_index]..self.end_pos . } else { 80 ( 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`. 94 ( 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; . 282 ( 0.00%) for mbc in self.multibyte_chars.iter() { . debug!("{}-byte char at {:?}", mbc.bytes, mbc.pos); 1,096 ( 0.00%) if mbc.pos < bpos { . // Every character is at least one byte, so we only . // count the actual extra bytes. 3,108 ( 0.00%) total_extra_bytes += mbc.bytes as u32 - 1; . // We should never see a byte position in the middle of a . // character. 2,590 ( 0.00%) assert!(bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32); . } else { . break; . } . } . 564 ( 0.00%) assert!(self.start_pos.to_u32() + total_extra_bytes <= bpos.to_u32()); 470 ( 0.00%) CharPos(bpos.to_usize() - self.start_pos.to_usize() - total_extra_bytes as usize) 188 ( 0.00%) } . . /// Looks up the file's (1-based) line number and (0-based `CharPos`) column offset, for a . /// given `BytePos`. 329 ( 0.00%) pub fn lookup_file_pos(&self, pos: BytePos) -> (usize, CharPos) { 94 ( 0.00%) let chpos = self.bytepos_to_file_charpos(pos); 33 ( 0.00%) match self.lookup_line(pos) { . Some(a) => { . let line = a + 1; // Line numbers start at 1 47 ( 0.00%) let linebpos = self.lines[a]; 94 ( 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); 47 ( 0.00%) assert!(chpos >= linechpos); . (line, col) . } . None => (0, chpos), . } 376 ( 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`. 376 ( 0.00%) pub fn lookup_file_pos_with_col_display(&self, pos: BytePos) -> (usize, CharPos, usize) { 141 ( 0.00%) let (line, col_or_chpos) = self.lookup_file_pos(pos); 94 ( 0.00%) if line > 0 { . let col = col_or_chpos; 47 ( 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); 30 ( 0.00%) 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(); 235 ( 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) . } 329 ( 0.00%) } . } . . /// Normalizes the source code and records the normalizations. 10 ( 0.00%) fn normalize_src(src: &mut String, start_pos: BytePos) -> Vec { . 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 9 ( 0.00%) } . . /// Removes UTF-8 BOM, if any. . fn remove_bom(src: &mut String, normalized_pos: &mut Vec) { 1 ( 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) { 1 ( 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])* 388 ( 0.00%) $vis struct $ident($inner_vis $inner_ty); . . impl Pos for $ident { . #[inline(always)] . fn from_usize(n: usize) -> $ident { 11 ( 0.00%) $ident(n as $inner_ty) . } . . #[inline(always)] . fn to_usize(&self) -> usize { 460 ( 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 { 1,544,165 ( 0.25%) $ident(self.0 + rhs.0) . } . } . . impl Sub for $ident { . type Output = $ident; . . #[inline(always)] . fn sub(self, rhs: $ident) -> $ident { 813,116 ( 0.13%) $ident(self.0 - rhs.0) . } . } . )* . }; . } . . impl_pos! { . /// A byte offset. -- line 1931 ---------------------------------------- -- line 1946 ---------------------------------------- . impl Encodable for BytePos { . fn encode(&self, s: &mut S) -> Result<(), S::Error> { . s.emit_u32(self.0) . } . } . . impl Decodable for BytePos { . fn decode(d: &mut D) -> BytePos { 129,304 ( 0.02%) BytePos(d.read_u32()) . } . } . . // _____________________________________________________________________________ . // Loc, SourceFileAndLine, SourceFileAndBytePos . // . . /// A source code location used for error reporting. -- line 1962 ---------------------------------------- -- line 2037 ---------------------------------------- . pub source_len: usize, . pub begin_pos: BytePos, . pub end_pos: BytePos, . } . . /// Range inside of a `Span` used for diagnostics when we only have access to relative positions. . #[derive(Copy, Clone, PartialEq, Eq, Debug)] . pub struct InnerSpan { 2 ( 0.00%) pub start: usize, . pub end: usize, . } . . impl InnerSpan { 20 ( 0.00%) pub fn new(start: usize, end: usize) -> InnerSpan { . InnerSpan { start, end } 10 ( 0.00%) } . } . . /// Requirements for a `StableHashingContext` to be used in this crate. . /// . /// This is a hack to allow using the [`HashStable_Generic`] derive macro . /// instead of implementing everything in rustc_middle. . pub trait HashStableContext { . fn def_path_hash(&self, def_id: DefId) -> DefPathHash; -- line 2060 ---------------------------------------- -- 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. 2,107 ( 0.00%) 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; . 357 ( 0.00%) if !ctx.hash_spans() { . return; . } . 1,750 ( 0.00%) let span = self.data_untracked(); 735 ( 0.00%) span.ctxt.hash_stable(ctx, hasher); 903 ( 0.00%) span.parent.hash_stable(ctx, hasher); . 626 ( 0.00%) if span.is_dummy() { . Hash::hash(&TAG_INVALID_SPAN, hasher); . return; . } . 554 ( 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. 1,108 ( 0.00%) let (file, line_lo, col_lo, line_hi, col_hi) = match ctx.span_data_to_lines_and_cols(&span) . { 554 ( 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. . 277 ( 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; 277 ( 0.00%) let len = (span.hi - span.lo).0; . Hash::hash(&col_line, hasher); . Hash::hash(&len, hasher); 2,408 ( 0.00%) } . } 1,165,104 ( 0.19%) -------------------------------------------------------------------------------- -- 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 { 304,552 ( 0.05%) 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)); 23,915 ( 0.00%) 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::(), mem::size_of::()); 2,461,114 ( 0.39%) 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" . ); . 37,622 ( 0.01%) self.stride += Group::WIDTH; 37,622 ( 0.01%) self.pos += self.stride; 30,959 ( 0.00%) 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 { . 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. 7,962 ( 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. 13,840 ( 0.00%) 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. 7,278 ( 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 { 23,004 ( 0.00%) 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. 8,366 ( 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 = 13,847 ( 0.00%) size.checked_mul(buckets)?.checked_add(ctrl_align - 1)? & !(ctrl_align - 1); 20,373 ( 0.00%) let len = ctrl_offset.checked_add(buckets + Group::WIDTH)?; . . Some(( . unsafe { Layout::from_size_align_unchecked(len, ctrl_align) }, . ctrl_offset, . )) . } . } . -- line 263 ---------------------------------------- -- 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 { 24 ( 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 { . debug_assert!(buckets.is_power_of_two()); . . Ok(Self { 10 ( 0.00%) table: RawTableInner::new_uninitialized( . alloc, . TableLayout::new::(), . 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 { . Ok(Self { 1,523 ( 0.00%) table: RawTableInner::fallible_with_capacity( . alloc, . TableLayout::new::(), . 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")] 532 ( 0.00%) pub unsafe fn erase_no_drop(&mut self, item: &Bucket) { 532 ( 0.00%) let index = self.bucket_index(item); . self.table.erase(index); 1,064 ( 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) { . // Erase the element from the table first since drop might panic. 110 ( 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 { 954 ( 0.00%) self.erase_no_drop(&item); 2 ( 0.00%) item.read() . } . . /// Finds and removes an element from the table, returning it. . #[cfg_attr(feature = "inline-more", inline)] 73,242 ( 0.01%) pub fn remove_entry(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option { . // Avoid `Option::map` because it bloats LLVM IR. 392 ( 0.00%) match self.find(hash, eq) { 71 ( 0.00%) Some(bucket) => Some(unsafe { self.remove(bucket) }), 985 ( 0.00%) None => None, . } 111,415 ( 0.02%) } . . /// 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) { 640 ( 0.00%) if mem::needs_drop::() && !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) { 50,033 ( 0.01%) if additional > self.table.growth_left { . // Avoid `Result::unwrap_or_else` because it bloats LLVM IR. 12,913 ( 0.00%) 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)] 31,151 ( 0.00%) 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::(), . if mem::needs_drop::() { . Some(mem::transmute(ptr::drop_in_place:: as unsafe fn(*mut T))) . } else { . None . }, . ) . } 17,088 ( 0.00%) } . . /// 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)] 419,398 ( 0.07%) pub fn insert(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> Bucket { . 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. 403 ( 0.00%) let old_ctrl = *self.table.ctrl(index); 276,516 ( 0.04%) 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); 2 ( 0.00%) bucket.write(value); . bucket . } 308,794 ( 0.05%) } . . /// 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)] 117,560 ( 0.02%) pub fn insert_entry(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> &mut T { 38 ( 0.00%) unsafe { self.insert(hash, value, hasher).as_mut() } 88,170 ( 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"))] 13 ( 0.00%) pub unsafe fn insert_no_grow(&mut self, hash: u64, value: T) -> Bucket { 72,729 ( 0.01%) let (index, old_ctrl) = self.table.prepare_insert_slot(hash); 437 ( 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. 145,449 ( 0.02%) self.table.growth_left -= special_is_empty(old_ctrl) as usize; . . bucket.write(value); 116,112 ( 0.02%) self.table.items += 1; . bucket 26 ( 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] 8,660 ( 0.00%) pub fn find(&self, hash: u64, mut eq: impl FnMut(&T) -> bool) -> Option> { 671 ( 0.00%) let result = self.table.find_inner(hash, &mut |index| unsafe { 2,475 ( 0.00%) eq(self.bucket(index).as_ref()) 219 ( 0.00%) }); . . // Avoid `Option::map` because it bloats LLVM IR. . match result { 89 ( 0.00%) Some(index) => Some(unsafe { self.bucket(index) }), . None => None, . } 9,896 ( 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. 2,233 ( 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] 1,141 ( 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. 4,287 ( 0.00%) match self.find(hash, eq) { . Some(bucket) => Some(unsafe { bucket.as_mut() }), . None => None, . } 1,304 ( 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 { 60,076 ( 0.01%) 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 { . let data = Bucket::from_base_index(self.data_end(), 0); . RawIter { . iter: RawIterRange::new(self.table.ctrl.as_ptr(), data, self.table.buckets()), 2,257 ( 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) -> RawIntoIter { . debug_assert_eq!(iter.len(), self.len()); . . let alloc = self.table.alloc.clone(); 440 ( 0.00%) let allocation = self.into_allocation(); 330 ( 0.00%) RawIntoIter { 550 ( 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, Layout)> { 113 ( 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::(self.table.buckets()) { . Some(lco) => lco, . None => unsafe { hint::unreachable_unchecked() }, . }; . Some(( 79 ( 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 RawTableInner { . #[inline] . const fn new_in(alloc: A) -> Self { 28,165 ( 0.00%) 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 RawTableInner { . #[cfg_attr(feature = "inline-more", inline)] 17,446 ( 0.00%) unsafe fn new_uninitialized( . alloc: A, . table_layout: TableLayout, . buckets: usize, . fallibility: Fallibility, . ) -> Result { . 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::() < 8 && layout.size() > isize::MAX as usize { . return Err(fallibility.capacity_overflow()); . } . 6,828 ( 0.00%) let ptr: NonNull = 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)); 10,902 ( 0.00%) Ok(Self { . ctrl, 5,800 ( 0.00%) bucket_mask: buckets - 1, . items: 0, . growth_left: bucket_mask_to_capacity(buckets - 1), . alloc, . }) 12,842 ( 0.00%) } . . #[inline] 4,941 ( 0.00%) fn fallible_with_capacity( . alloc: A, . table_layout: TableLayout, . capacity: usize, . fallibility: Fallibility, . ) -> Result { 1,236 ( 0.00%) if capacity == 0 { 1,074 ( 0.00%) Ok(Self::new_in(alloc)) . } else { . unsafe { . let buckets = . capacity_to_buckets(capacity).ok_or_else(|| fallibility.capacity_overflow())?; . 8,178 ( 0.00%) let result = Self::new_uninitialized(alloc, table_layout, buckets, fallibility)?; . result.ctrl(0).write_bytes(EMPTY, result.num_ctrl_bytes()); . 2,418 ( 0.00%) Ok(result) . } . } 4,941 ( 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] 23,902 ( 0.00%) unsafe fn prepare_insert_slot(&self, hash: u64) -> (usize, u8) { . let index = self.find_insert_slot(hash); 23,902 ( 0.00%) let old_ctrl = *self.ctrl(index); . self.set_ctrl_h2(index, hash); . (index, old_ctrl) 47,804 ( 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)); 198,512 ( 0.03%) if let Some(bit) = group.match_empty_or_deleted().lowest_set_bit() { 576,723 ( 0.09%) 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). 261,364 ( 0.04%) 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 { . let h2_hash = h2(hash); . let mut probe_seq = self.probe_seq(hash); . 8,744 ( 0.00%) loop { . let group = unsafe { Group::load(self.ctrl(probe_seq.pos)) }; . 325,011 ( 0.05%) for bit in group.match_byte(h2_hash) { 523,789 ( 0.08%) let index = (probe_seq.pos + bit) & self.bucket_mask; . 414,075 ( 0.07%) if likely(eq(index)) { . return Some(index); . } . } . 144,589 ( 0.02%) 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(); 769,456 ( 0.12%) base.sub((index + 1) * size_of) . } . . #[inline] . unsafe fn data_end(&self) -> NonNull { . 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 { 2,435,642 ( 0.39%) 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) { 346,298 ( 0.06%) self.growth_left -= special_is_empty(old_ctrl) as usize; . self.set_ctrl_h2(index, hash); 276,516 ( 0.04%) 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] | . // --------------------------------------------- 568,218 ( 0.09%) let index2 = ((index.wrapping_sub(Group::WIDTH)) & self.bucket_mask) + Group::WIDTH; . 189,226 ( 0.03%) *self.ctrl(index) = ctrl; 189,226 ( 0.03%) *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 { 12,833 ( 0.00%) self.bucket_mask + 1 . } . . #[inline] . fn num_ctrl_bytes(&self) -> usize { 10,972 ( 0.00%) self.bucket_mask + 1 + Group::WIDTH . } . . #[inline] . fn is_empty_singleton(&self) -> bool { 60,133 ( 0.01%) self.bucket_mask == 0 . } . . #[allow(clippy::mut_mut)] . #[inline] . unsafe fn prepare_resize( . &self, . table_layout: TableLayout, . capacity: usize, . fallibility: Fallibility, . ) -> Result, TryReserveError> { . debug_assert!(self.items <= capacity); . . // Allocate and initialize the new table. 711 ( 0.00%) let mut new_table = RawTableInner::fallible_with_capacity( . self.alloc.clone(), . table_layout, . capacity, . fallibility, . )?; 8,497 ( 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_| { 3,815 ( 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, . ) -> Result<(), TryReserveError> { . // Avoid `Option::ok_or_else` because it bloats LLVM IR. 7,630 ( 0.00%) let new_items = match self.items.checked_add(additional) { . Some(new_items) => new_items, . None => return Err(fallibility.capacity_overflow()), . }; 7,630 ( 0.00%) let full_capacity = bucket_mask_to_capacity(self.bucket_mask); 15,979 ( 0.00%) 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( 3,815 ( 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> { 1,748 ( 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() { 112,317 ( 0.02%) 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); . 3,815 ( 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( 2,122 ( 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) { 325 ( 0.00%) if !self.is_empty_singleton() { . unsafe { . self.ctrl(0).write_bytes(EMPTY, self.num_ctrl_bytes()); . } . } 345 ( 0.00%) self.items = 0; 352 ( 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))); 20,863 ( 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. 83,452 ( 0.01%) let ctrl = if empty_before.leading_zeros() + empty_after.trailing_zeros() >= Group::WIDTH { . DELETED . } else { 104,315 ( 0.02%) self.growth_left += 1; . EMPTY . }; . self.set_ctrl(index, ctrl); 83,452 ( 0.01%) self.items -= 1; . } . } . . impl Clone for RawTable { 80 ( 0.00%) fn clone(&self) -> Self { 10 ( 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) . } . } 90 ( 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; 4 ( 0.00%) self.table.growth_left = source.table.growth_left; . } . } . . impl RawTable { . /// 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 { . #[cfg_attr(feature = "inline-more", inline)] 35,910 ( 0.01%) fn drop(&mut self) { 25,607 ( 0.00%) if !self.table.is_empty_singleton() { . unsafe { . self.drop_elements(); . self.free_buckets(); . } . } 38,500 ( 0.01%) } . } . #[cfg(not(feature = "nightly"))] . impl Drop for RawTable { . #[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 IntoIterator for RawTable { . type Item = T; . type IntoIter = RawIntoIter; . . #[cfg_attr(feature = "inline-more", inline)] 440 ( 0.00%) fn into_iter(self) -> RawIntoIter { . unsafe { . let iter = self.iter(); . self.into_iter_from(iter) . } 550 ( 0.00%) } . } . . /// Iterator over a sub-range of a table. Unlike `RawIter` this iterator does . /// not track an item count. . pub(crate) struct RawIterRange { . // 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 Iterator for RawIterRange { . type Item = Bucket; . . #[cfg_attr(feature = "inline-more", inline)] . fn next(&mut self) -> Option> { . unsafe { . loop { 12,835 ( 0.00%) if let Some(index) = self.current_group.lowest_set_bit() { 1,993 ( 0.00%) self.current_group = self.current_group.remove_lowest_bit(); 3,337 ( 0.00%) return Some(self.data.next_n(index)); . } . 7,680 ( 0.00%) 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). 352 ( 0.00%) self.current_group = Group::load_aligned(self.next_ctrl).match_full(); 284 ( 0.00%) self.data = self.data.next_n(Group::WIDTH); 733 ( 0.00%) self.next_ctrl = self.next_ctrl.add(Group::WIDTH); . } . } . } . . #[inline] . fn size_hint(&self) -> (usize, Option) { . // 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) { 245 ( 0.00%) if mem::needs_drop::() && self.len() != 0 { . for item in self { . item.drop(); . } . } . } . } . . impl Clone for RawIter { -- line 2118 ---------------------------------------- -- line 2124 ---------------------------------------- . } . } . } . . impl Iterator for RawIter { . type Item = Bucket; . . #[cfg_attr(feature = "inline-more", inline)] 2,143 ( 0.00%) fn next(&mut self) -> Option> { 5,258 ( 0.00%) if let Some(b) = self.iter.next() { 18,459 ( 0.00%) 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 . } 4,286 ( 0.00%) } . . #[inline] . fn size_hint(&self) -> (usize, Option) { . (self.items, Some(self.items)) . } . } . . impl ExactSizeIterator for RawIter {} -- line 2151 ---------------------------------------- -- line 2177 ---------------------------------------- . T: Sync, . A: Sync, . { . } . . #[cfg(feature = "nightly")] . unsafe impl<#[may_dangle] T, A: Allocator + Clone> Drop for RawIntoIter { . #[cfg_attr(feature = "inline-more", inline)] 446 ( 0.00%) fn drop(&mut self) { . unsafe { . // Drop all remaining elements . self.iter.drop_elements(); . . // Free the table 508 ( 0.00%) if let Some((ptr, layout)) = self.allocation { . self.alloc.deallocate(ptr, layout); . } . } 158 ( 0.00%) } . } . #[cfg(not(feature = "nightly"))] . impl Drop for RawIntoIter { . #[cfg_attr(feature = "inline-more", inline)] . fn drop(&mut self) { . unsafe { . // Drop all remaining elements . self.iter.drop_elements(); -- line 2203 ---------------------------------------- -- line 2209 ---------------------------------------- . } . } . } . . impl Iterator for RawIntoIter { . type Item = T; . . #[cfg_attr(feature = "inline-more", inline)] 286 ( 0.00%) fn next(&mut self) -> Option { 6 ( 0.00%) unsafe { Some(self.iter.next()?.read()) } 849 ( 0.00%) } . . #[inline] . fn size_hint(&self) -> (usize, Option) { 2 ( 0.00%) self.iter.size_hint() . } . } . . impl ExactSizeIterator for RawIntoIter {} . impl FusedIterator for RawIntoIter {} . . /// 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 Drop for RawDrain<'_, T, A> { . #[cfg_attr(feature = "inline-more", inline)] 24 ( 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. 3 ( 0.00%) self.orig_table . .as_ptr() . .copy_from_nonoverlapping(&*self.table, 1); . } 24 ( 0.00%) } . } . . impl Iterator for RawDrain<'_, T, A> { . type Item = T; . . #[cfg_attr(feature = "inline-more", inline)] . fn next(&mut self) -> Option { . unsafe { -- line 2289 ---------------------------------------- 1,341,938 ( 0.21%) -------------------------------------------------------------------------------- -- 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. 843 ( 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::() == 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. 15,235 ( 0.00%) 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::() == 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`. 413 ( 0.00%) self.end = unsafe { self.end.offset(-offset) }; . self.end . } . } . } . . #[stable(feature = "rust1", since = "1.0.0")] . impl ExactSizeIterator for $name<'_, T> { . #[inline(always)] . fn len(&self) -> usize { 1,582 ( 0.00%) len!(self) . } . . #[inline(always)] . fn is_empty(&self) -> bool { . is_empty!(self) . } . } . -- line 128 ---------------------------------------- -- line 134 ---------------------------------------- . fn next(&mut self) -> Option<$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 { 6,985 ( 0.00%) assume(!self.ptr.as_ptr().is_null()); . if mem::size_of::() != 0 { 843 ( 0.00%) assume(!self.end.is_null()); . } 3,529,937 ( 0.57%) if is_empty!(self) { . None . } else { . Some(next_unchecked!(self)) . } . } . } . . #[inline] . fn size_hint(&self) -> (usize, Option) { 30,722 ( 0.00%) let exact = len!(self); . (exact, Some(exact)) . } . . #[inline] . fn count(self) -> usize { . len!(self) . } . . #[inline] . fn nth(&mut self, n: usize) -> Option<$elem> { 912 ( 0.00%) if n >= len!(self) { . // This iterator is now empty. . if mem::size_of::() == 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(mut self, mut f: F) . where . Self: Sized, . F: FnMut(Self::Item), . { . while let Some(x) = self.next() { 63 ( 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(&mut self, mut f: F) -> bool . where . Self: Sized, . F: FnMut(Self::Item) -> bool, . { 124 ( 0.00%) while let Some(x) = self.next() { 3,056 ( 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] . fn any(&mut self, mut f: F) -> bool . where . Self: Sized, . F: FnMut(Self::Item) -> bool, . { 7,734 ( 0.00%) while let Some(x) = self.next() { 8,932 ( 0.00%) if f(x) { . return true; . } . } . false . } . . // 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

(&mut self, mut predicate: P) -> Option . where . Self: Sized, . P: FnMut(&Self::Item) -> bool, . { 15,901 ( 0.00%) while let Some(x) = self.next() { 6,244 ( 0.00%) if predicate(&x) { . return Some(x); . } . } . None 304 ( 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(&mut self, mut f: F) -> Option . where . Self: Sized, . F: FnMut(Self::Item) -> Option, . { 1,520 ( 0.00%) while let Some(x) = self.next() { 1,623 ( 0.00%) if let Some(y) = f(x) { 222 ( 0.00%) return Some(y); . } . } . None 20 ( 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

(&mut self, mut predicate: P) -> Option where . Self: Sized, . P: FnMut(Self::Item) -> bool, . { . let n = len!(self); . let mut i = 0; . while let Some(x) = self.next() { 2,422 ( 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

(&mut self, mut predicate: P) -> Option where . P: FnMut(Self::Item) -> bool, . Self: Sized + ExactSizeIterator + DoubleEndedIterator . { . let n = len!(self); . let mut i = n; 1,258 ( 0.00%) while let Some(x) = self.next_back() { 27,459 ( 0.00%) i -= 1; 23,736 ( 0.00%) 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` 2,480 ( 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 { 732 ( 0.00%) assume(!self.ptr.as_ptr().is_null()); . if mem::size_of::() != 0 { 752 ( 0.00%) assume(!self.end.is_null()); . } 28,307 ( 0.00%) if is_empty!(self) { . None . } else { . Some(next_back_unchecked!(self)) . } . } . } . . #[inline] -- line 369 ---------------------------------------- 278,314 ( 0.04%) -------------------------------------------------------------------------------- -- 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> { . None . } . 3,975 ( 0.00%) fn decoder(self, pos: usize) -> DecodeContext<'a, 'tcx> { 1,325 ( 0.00%) let tcx = self.tcx(); 269,035 ( 0.04%) DecodeContext { 27,651 ( 0.00%) opaque: opaque::Decoder::new(self.blob(), pos), 1,325 ( 0.00%) cdata: self.cdata(), . blob: self.blob(), 11,550 ( 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() 25,264 ( 0.00%) .map(|cdata| cdata.cdata.alloc_decoding_state.new_decoding_session()), . } 3,975 ( 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> { . Some(self.1) . } . } . . impl<'a, 'tcx, T: Decodable>> Lazy { 50,719 ( 0.01%) fn decode>(self, metadata: M) -> T { 22,559 ( 0.00%) let mut dcx = metadata.decoder(self.position.get()); 78,493 ( 0.01%) dcx.lazy_state = LazyState::NodeStart(self.position); 21,590 ( 0.00%) T::decode(&mut dcx) 64,698 ( 0.01%) } . } . . impl<'a: 'x, 'tcx: 'x, 'x, T: Decodable>> Lazy<[T]> { . fn decode>( . self, . metadata: M, . ) -> impl ExactSizeIterator + Captures<'a> + Captures<'tcx> + 'x { 168 ( 0.00%) let mut dcx = metadata.decoder(self.position.get()); 48 ( 0.00%) dcx.lazy_state = LazyState::NodeStart(self.position); 27,992 ( 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 { 95,986 ( 0.02%) if cnum == LOCAL_CRATE { self.cdata().cnum } else { self.cdata().cnum_map[cnum] } . } . 36,637 ( 0.01%) fn read_lazy_with_meta(&mut self, meta: T::Meta) -> Lazy { . let distance = self.read_usize(); 34,835 ( 0.01%) let position = match self.lazy_state { . LazyState::NoNode => bug!("read_lazy_with_meta: outside of a metadata node"), 6,880 ( 0.00%) LazyState::NodeStart(start) => { . let start = start.get(); 13,760 ( 0.00%) assert!(distance <= start); . start - distance . } 8,517 ( 0.00%) LazyState::Previous(last_pos) => last_pos.get() + distance, . }; 19,438 ( 0.00%) self.lazy_state = LazyState::Previous(NonZeroUsize::new(position).unwrap()); . Lazy::from_position_and_meta(NonZeroUsize::new(position).unwrap(), meta) 36,637 ( 0.01%) } . . #[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 { 84,475 ( 0.01%) self.opaque.data[self.opaque.position()] . } . . #[inline] . fn position(&self) -> usize { . self.opaque.position() . } . 76,293 ( 0.01%) fn cached_ty_for_shorthand(&mut self, shorthand: usize, or_insert_with: F) -> Ty<'tcx> . where . F: FnOnce(&mut Self) -> Ty<'tcx>, . { 10,899 ( 0.00%) let tcx = self.tcx(); . 10,899 ( 0.00%) let key = ty::CReaderCacheKey { cnum: Some(self.cdata().cnum), pos: shorthand }; . 31,432 ( 0.01%) if let Some(&ty) = tcx.ty_rcache.borrow().get(&key) { . return ty; . } . 3,041 ( 0.00%) let ty = or_insert_with(self); . tcx.ty_rcache.borrow_mut().insert(key, ty); . ty 98,091 ( 0.02%) } . . fn with_position(&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); 16,280 ( 0.00%) self.opaque = old_opaque; 3,256 ( 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> for CrateNum { . fn decode(d: &mut DecodeContext<'a, 'tcx>) -> CrateNum { 50,098 ( 0.01%) let cnum = CrateNum::from_u32(d.read_u32()); . d.map_encoded_cnum_to_current(cnum) . } . } . . impl<'a, 'tcx> Decodable> for DefIndex { 98 ( 0.00%) fn decode(d: &mut DecodeContext<'a, 'tcx>) -> DefIndex { 87,878 ( 0.01%) DefIndex::from_u32(d.read_u32()) 196 ( 0.00%) } . } . . impl<'a, 'tcx> Decodable> for ExpnIndex { . fn decode(d: &mut DecodeContext<'a, 'tcx>) -> ExpnIndex { . ExpnIndex::from_u32(d.read_u32()) . } . } . . impl<'a, 'tcx> Decodable> for SyntaxContext { 84,540 ( 0.01%) fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> SyntaxContext { 21,135 ( 0.00%) let cdata = decoder.cdata(); 21,135 ( 0.00%) let sess = decoder.sess.unwrap(); 42,270 ( 0.01%) let cname = cdata.root.name; . rustc_span::hygiene::decode_syntax_context(decoder, &cdata.hygiene_context, |_, id| { . debug!("SpecializedDecoder: decoding {}", id); 416 ( 0.00%) cdata . .root . .syntax_contexts . .get(cdata, id) . .unwrap_or_else(|| panic!("Missing SyntaxContext {:?} for crate {:?}", id, cname)) . .decode((cdata, sess)) . }) 105,675 ( 0.02%) } . } . . impl<'a, 'tcx> Decodable> for ExpnId { 3,598 ( 0.00%) fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> ExpnId { 514 ( 0.00%) let local_cdata = decoder.cdata(); 514 ( 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); 118 ( 0.00%) let crate_data = if cnum == local_cdata.cnum { . local_cdata . } else { . local_cdata.cstore.get_crate_data(cnum) . }; 590 ( 0.00%) let expn_data = crate_data . .root . .expn_data . .get(crate_data, index) . .unwrap() . .decode((crate_data, sess)); 590 ( 0.00%) let expn_hash = crate_data . .root . .expn_hashes . .get(crate_data, index) . .unwrap() . .decode((crate_data, sess)); 1,180 ( 0.00%) (expn_data, expn_hash) . }); . expn_id 4,112 ( 0.00%) } . } . . impl<'a, 'tcx> Decodable> for Span { 166,584 ( 0.03%) fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Span { 20,823 ( 0.00%) let ctxt = SyntaxContext::decode(decoder); . let tag = u8::decode(decoder); . 41,646 ( 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; . 62,256 ( 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. 44,605 ( 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` 25 ( 0.00%) 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); . panic!( . "Decoding of crate {:?} tried to access proc-macro dep {:?}", . decoder.cdata().root.name, . cnum . ); -- line 513 ---------------------------------------- -- line 518 ---------------------------------------- . "SpecializedDecoder::specialized_decode: loading source files from cnum {:?}", . cnum . ); . . // Decoding 'foreign' spans should be rare enough that it's . // not worth it to maintain a per-CrateNum cache for `last_source_file_index`. . // We just set it to 0, to ensure that we don't try to access something out . // of bounds for our initial 'guess' 50 ( 0.00%) decoder.last_source_file_index = 0; . 25 ( 0.00%) 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. 62,256 ( 0.01%) let last_source_file = &imported_source_files[decoder.last_source_file_index]; . 82,877 ( 0.01%) 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) 6,198 ( 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 3,101 ( 0.00%) if tag == TAG_VALID_SPAN_LOCAL { 3,082 ( 0.00%) decoder.last_source_file_index = index; . } 6,202 ( 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 = 83,008 ( 0.01%) (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) 187,407 ( 0.03%) } . } . . impl<'a, 'tcx> Decodable> 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>> Decodable> . for Lazy . { . fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self { 12,124 ( 0.00%) decoder.read_lazy_with_meta(()) . } . } . . impl<'a, 'tcx, T: Decodable>> Decodable> . for Lazy<[T]> . { . fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self { . let len = decoder.read_usize(); 13,555 ( 0.00%) if len == 0 { Lazy::empty() } else { decoder.read_lazy_with_meta(len) } . } . } . . impl<'a, 'tcx, I: Idx, T: Decodable>> Decodable> . for Lazy> . where . Option: FixedSizeEncoding, . { . fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self { . let len = decoder.read_usize(); 9,802 ( 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::::from_position(NonZeroUsize::new(METADATA_HEADER.len() + 4).unwrap()) . .decode(self) . } . 174 ( 0.00%) crate fn get_root(&self) -> CrateRoot<'tcx> { 58 ( 0.00%) let slice = &self.blob()[..]; . let offset = METADATA_HEADER.len(); 290 ( 0.00%) let pos = (((slice[offset + 0] as u32) << 24) 116 ( 0.00%) | ((slice[offset + 1] as u32) << 16) 232 ( 0.00%) | ((slice[offset + 2] as u32) << 8) 174 ( 0.00%) | ((slice[offset + 3] as u32) << 0)) as usize; . Lazy::>::from_position(NonZeroUsize::new(pos).unwrap()).decode(self) 290 ( 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 { 38 ( 0.00%) self.proc_macro_data.is_some() . } . . crate fn name(&self) -> Symbol { 2 ( 0.00%) self.name . } . . crate fn hash(&self) -> Svh { 19 ( 0.00%) self.hash . } . . crate fn stable_crate_id(&self) -> StableCrateId { 38 ( 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 + Captures<'a> { 38 ( 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] . } . 17,358 ( 0.00%) fn opt_item_ident(self, item_index: DefIndex, sess: &Session) -> Option { 12,714 ( 0.00%) let name = self.def_key(item_index).disambiguated_data.data.get_opt_name()?; 8,785 ( 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. 54 ( 0.00%) assert_eq!(self.def_kind(item_index), DefKind::ExternCrate); . return None; . } . }; . Some(Ident::new(name, span)) 22,128 ( 0.00%) } . 92 ( 0.00%) fn item_ident(self, item_index: DefIndex, sess: &Session) -> Ident { 4,288 ( 0.00%) self.opt_item_ident(item_index, sess).expect("no encoded ident for item") 184 ( 0.00%) } . . fn maybe_kind(self, item_id: DefIndex) -> Option { 12,556 ( 0.00%) self.root.tables.kind.get(self, item_id).map(|k| k.decode(self)) . } . 50,224 ( 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, . ) . }) 37,668 ( 0.01%) } . 4,963 ( 0.00%) fn def_kind(self, item_id: DefIndex) -> DefKind { 5,386 ( 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, . ) . }) 2,836 ( 0.00%) } . 828 ( 0.00%) fn get_span(self, index: DefIndex, sess: &Session) -> Span { 3,744 ( 0.00%) self.root . .tables . .span . .get(self, index) . .unwrap_or_else(|| panic!("Missing span for {:?}", index)) . .decode((self, sess)) 460 ( 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::>(); . ( . trait_name, -- line 778 ---------------------------------------- -- line 795 ---------------------------------------- . self.get_span(id, sess), . helper_attrs, . self.root.edition, . Symbol::intern(name), . &attrs, . ) . } . 442 ( 0.00%) fn get_trait_def(self, item_id: DefIndex, sess: &Session) -> ty::TraitDef { 136 ( 0.00%) match self.kind(item_id) { 34 ( 0.00%) EntryKind::Trait(data) => { 204 ( 0.00%) let data = data.decode((self, sess)); 544 ( 0.00%) ty::TraitDef::new( . self.local_def_id(item_id), 68 ( 0.00%) data.unsafety, 68 ( 0.00%) data.paren_sugar, 68 ( 0.00%) data.has_auto_impl, 68 ( 0.00%) data.is_marker, 34 ( 0.00%) data.skip_array_during_method_dispatch, 34 ( 0.00%) data.specialization_kind, 136 ( 0.00%) self.def_path_hash(item_id), 34 ( 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"), . } 306 ( 0.00%) } . 387 ( 0.00%) fn get_variant( . self, . kind: &EntryKind, . index: DefIndex, . parent_did: DefId, . sess: &Session, . ) -> ty::VariantDef { 172 ( 0.00%) let data = match kind { . EntryKind::Variant(data) | EntryKind::Struct(data, _) | EntryKind::Union(data, _) => { 215 ( 0.00%) data.decode(self) . } . _ => bug!(), . }; . 150 ( 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 }; 86 ( 0.00%) let ctor_did = data.ctor.map(|index| self.local_def_id(index)); . 946 ( 0.00%) ty::VariantDef::new( . self.item_ident(index, sess).name, . variant_did, . ctor_did, 172 ( 0.00%) data.discr, 258 ( 0.00%) self.root . .tables . .children . .get(self, index) . .unwrap_or_else(Lazy::empty) . .decode(self) . .map(|index| ty::FieldDef { 69 ( 0.00%) did: self.local_def_id(index), 138 ( 0.00%) name: self.item_ident(index, sess).name, 138 ( 0.00%) vis: self.get_visibility(index), . }) . .collect(), . data.ctor_kind, . adt_kind, . parent_did, . false, 43 ( 0.00%) data.is_non_exhaustive, . ) 387 ( 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); . 178 ( 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 { 30 ( 0.00%) self.root . .tables . .children . .get(self, item_id) . .unwrap_or_else(Lazy::empty) . .decode(self) 187 ( 0.00%) .map(|index| self.get_variant(&self.kind(index), index, did, tcx.sess)) . .collect() . } else { 256 ( 0.00%) std::iter::once(self.get_variant(&kind, item_id, did, tcx.sess)).collect() . }; . 562 ( 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> { 1,915 ( 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)] { 1,915 ( 0.00%) self.root . .tables . .inferred_outlives . .get(self, item_id) 12 ( 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> { 150 ( 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) 8 ( 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 { 1,894 ( 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> { 2,135 ( 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 { 80 ( 0.00%) self.root.tables.stability.get(self, id).map(|stab| stab.decode(self)) . } . . fn get_const_stability(self, id: DefIndex) -> Option { . self.root.tables.const_stability.get(self, id).map(|stab| stab.decode(self)) . } . . fn get_deprecation(self, id: DefIndex) -> Option { 70 ( 0.00%) self.root.tables.deprecation.get(self, id).map(|depr| depr.decode(self)) . } . 36 ( 0.00%) fn get_visibility(self, id: DefIndex) -> ty::Visibility { 4,491 ( 0.00%) self.root.tables.visibility.get(self, id).unwrap().decode(self) 24 ( 0.00%) } . . fn get_impl_data(self, id: DefIndex) -> ImplData { 27,288 ( 0.00%) match self.kind(id) { 22,740 ( 0.00%) EntryKind::Impl(data) => data.decode(self), . _ => bug!(), . } . } . . fn get_parent_impl(self, id: DefIndex) -> Option { 13,308 ( 0.00%) self.get_impl_data(id).parent_impl . } . . fn get_impl_polarity(self, id: DefIndex) -> ty::ImplPolarity { 66 ( 0.00%) self.get_impl_data(id).polarity . } . . fn get_impl_defaultness(self, id: DefIndex) -> hir::Defaultness { 44 ( 0.00%) self.get_impl_data(id).defaultness . } . . fn get_impl_constness(self, id: DefIndex) -> hir::Constness { 2 ( 0.00%) self.get_impl_data(id).constness . } . . fn get_trait_item_def_id(self, id: DefIndex) -> Option { 3,800 ( 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 { . self.get_impl_data(id).coerce_unsized_info . } . . fn get_impl_trait(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Option> { 53,550 ( 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 { 1,460 ( 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)] { . 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)] { 57 ( 0.00%) tcx.arena.alloc_from_iter( 38 ( 0.00%) self.root . .lang_items . .decode(self) 564 ( 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(); 4 ( 0.00%) let name_to_id = self . .root . .diagnostic_items . .decode(self) . .map(|(name, def_index)| { 115 ( 0.00%) let id = self.local_def_id(def_index); 115 ( 0.00%) id_to_name.insert(id, name); . (name, id) . }) . .collect(); 18 ( 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, . ) { 136 ( 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. 272 ( 0.00%) if let Some(children) = self.root.tables.children.get(self, id) { 544 ( 0.00%) for child_index in children.decode((self, sess)) { 4,404 ( 0.00%) if let Some(ident) = self.opt_item_ident(child_index, sess) { 1,188 ( 0.00%) let kind = self.def_kind(child_index); 792 ( 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. 1,568 ( 0.00%) match kind { . DefKind::Struct => { 20 ( 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 }); . } . } -- line 1121 ---------------------------------------- -- line 1144 ---------------------------------------- . callback(ModChild { ident, res: ctor_res, vis, span }); . } . _ => {} . } . } . } . } . 360 ( 0.00%) match self.kind(id) { 14 ( 0.00%) EntryKind::Mod(exports) => { 670 ( 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 { 160 ( 0.00%) self.root.tables.mir_for_ctfe.get(self, id).is_some() . } . . fn is_item_mir_available(self, id: DefIndex) -> bool { 704 ( 0.00%) self.root.tables.mir.get(self, id).is_some() . } . . fn module_expansion(self, id: DefIndex, sess: &Session) -> ExpnId { 1,981 ( 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> { 875 ( 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> { 200 ( 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> { 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 { 555 ( 0.00%) match self.kind(id) { 444 ( 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] { 532 ( 0.00%) if let Some(children) = self.root.tables.children.get(self, id) { 228 ( 0.00%) tcx.arena.alloc_from_iter( 76 ( 0.00%) children.decode((self, tcx.sess)).map(|child_index| self.local_def_id(child_index)), . ) . } else { . &[] . } . } . 7,644 ( 0.00%) fn get_associated_item(self, id: DefIndex, sess: &Session) -> ty::AssocItem { 4,459 ( 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); . 4,519 ( 0.00%) let (kind, container, has_self) = match self.kind(id) { . EntryKind::AssocConst(container, _, _) => (ty::AssocKind::Const, container, false), 607 ( 0.00%) EntryKind::AssocFn(data) => { . let data = data.decode(self); 4,249 ( 0.00%) (ty::AssocKind::Fn, data.container, data.has_self) . } 60 ( 0.00%) EntryKind::AssocType(container) => (ty::AssocKind::Type, container, false), . _ => bug!("cannot get associated-item of `{:?}`", def_key), . }; . 11,466 ( 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, . } 5,733 ( 0.00%) } . . fn get_item_variances(self, id: DefIndex) -> impl Iterator + 'a { 65 ( 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)> { 572 ( 0.00%) match self.kind(node_id) { . EntryKind::Struct(data, _) | EntryKind::Variant(data) => { 248 ( 0.00%) let vdata = data.decode(self); 120 ( 0.00%) vdata.ctor.map(|index| (self.local_def_id(index), vdata.ctor_kind)) . } . _ => None, . } 280 ( 0.00%) } . 132 ( 0.00%) fn get_item_attrs( . self, . id: DefIndex, . sess: &'a Session, . ) -> impl Iterator + 'a { 1,755 ( 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)) 99 ( 0.00%) } . . fn get_struct_field_names( . self, . id: DefIndex, . sess: &'a Session, . ) -> impl Iterator> + 'a { 280 ( 0.00%) self.root . .tables . .children . .get(self, id) . .unwrap_or_else(Lazy::empty) . .decode(self) 920 ( 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 + 'a { 40 ( 0.00%) self.root . .tables . .children . .get(self, id) . .unwrap_or_else(Lazy::empty) . .decode(self) 12 ( 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] { 24 ( 0.00%) tcx.arena.alloc_from_iter( 30 ( 0.00%) self.root . .tables . .inherent_impls . .get(self, id) . .unwrap_or_else(Lazy::empty) . .decode(self) 554 ( 0.00%) .map(|index| self.local_def_id(index)), . ) . } . . fn get_traits(self) -> impl Iterator + 'a { . self.root.traits.decode(self).map(move |index| self.local_def_id(index)) . } . . fn get_trait_impls(self) -> impl Iterator)> + '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) . }) . }) . } . 5,814 ( 0.00%) fn get_implementations_of_trait( . self, . tcx: TyCtxt<'tcx>, . trait_def_id: DefId, . ) -> &'tcx [(DefId, Option)] { 646 ( 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. 1,040 ( 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) { 560 ( 0.00%) tcx.arena.alloc_from_iter( 280 ( 0.00%) impls . .decode(self) 5,349 ( 0.00%) .map(|(idx, simplified_self_ty)| (self.local_def_id(idx), simplified_self_ty)), . ) . } else { . &[] . } 5,168 ( 0.00%) } . . fn get_trait_of_item(self, id: DefIndex) -> Option { 1,032 ( 0.00%) let def_key = self.def_key(id); 1,290 ( 0.00%) match def_key.disambiguated_data.data { . DefPathData::TypeNs(..) | DefPathData::ValueNs(..) => (), . // Not an associated item . _ => return None, . } 2,277 ( 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 + 'a { 38 ( 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] { 95 ( 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)] { 114 ( 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 { 18 ( 0.00%) match self.kind(id) { 3 ( 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 { 99 ( 0.00%) let constness = match self.kind(id) { 18 ( 0.00%) EntryKind::AssocFn(data) => data.decode(self).fn_data.constness, 12 ( 0.00%) 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 . } . . fn asyncness(self, id: DefIndex) -> hir::IsAsync { -- line 1506 ---------------------------------------- -- 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 { 2,189 ( 0.00%) match self.kind(id) { . EntryKind::ForeignImmStatic | EntryKind::ForeignMutStatic | EntryKind::ForeignFn(_) => { . true . } . _ => false, . } . } . . fn static_mutability(self, id: DefIndex) -> Option { 396 ( 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 { 40 ( 0.00%) match self.kind(id) { . EntryKind::Generator(data) => Some(data), . _ => None, . } . } . . fn fn_sig(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> ty::PolyFnSig<'tcx> { 1,220 ( 0.00%) self.root.tables.fn_sig.get(self, id).unwrap().decode((self, tcx)) . } . . #[inline] 81,900 ( 0.01%) fn def_key(self, index: DefIndex) -> DefKey { 23,604 ( 0.00%) *self . .def_key_cache . .lock() . .entry(index) 8,720 ( 0.00%) .or_insert_with(|| self.root.tables.def_keys.get(self, index).unwrap().decode(self)) 93,600 ( 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); 160 ( 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, . ) -> DefPathHash { 2,516 ( 0.00%) *def_path_hashes.entry(index).or_insert_with(|| { 2,245 ( 0.00%) self.root.tables.def_path_hashes.get(self, index).unwrap().decode(self) . }) . } . . #[inline] 8,806 ( 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) 10,064 ( 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/$hash` prefix back to a real directory . // that should hold actual sources, where possible. . // . // NOTE: if you update this, you might need to also update bootstrap's code for generating . // the `rust-src` component in `Src::run` in `src/bootstrap/dist.rs`. 41,504 ( 0.01%) let virtual_rust_source_base_dir = option_env!("CFG_VIRTUAL_RUST_SOURCE_BASE_DIR") . .map(Path::new) . .filter(|_| { . // Only spend time on further checks if we have what to translate *to*. . sess.opts.real_rust_source_base_dir.is_some() . }) . .filter(|virtual_dir| { . // Don't translate away `/rustc/$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) . }); 41,504 ( 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, . ); . 2,665 ( 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; . } . } . } . } . } . }; . 41,479 ( 0.01%) self.cdata.source_map_import_info.get_or_init(|| { 24 ( 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 { 11,193 ( 0.00%) mut name, 3,198 ( 0.00%) src_hash, 533 ( 0.00%) start_pos, 1,066 ( 0.00%) end_pos, 2,665 ( 0.00%) mut lines, 2,665 ( 0.00%) mut multibyte_chars, 3,198 ( 0.00%) mut non_narrow_chars, 2,665 ( 0.00%) mut normalized_pos, 3,198 ( 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. 1,066 ( 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 { 708,232 ( 0.11%) *pos = *pos - start_pos; . } . for mbc in &mut multibyte_chars { 1,594 ( 0.00%) mbc.pos = mbc.pos - start_pos; . } . for swc in &mut non_narrow_chars { 924 ( 0.00%) *swc = *swc - start_pos; . } . for np in &mut normalized_pos { . np.pos = np.pos - start_pos; . } . 9,594 ( 0.00%) let local_version = sess.source_map().new_imported_source_file( 6,929 ( 0.00%) name, 3,731 ( 0.00%) src_hash, . name_hash, . source_length, 1,066 ( 0.00%) self.cnum, 2,665 ( 0.00%) lines, 3,198 ( 0.00%) multibyte_chars, 2,665 ( 0.00%) non_narrow_chars, 2,132 ( 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, . } 1,599 ( 0.00%) }) . .collect() . }) . } . } . . impl CrateMetadata { 228 ( 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, . ) -> CrateMetadata { 57 ( 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 = 57 ( 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. 19 ( 0.00%) let def_path_hash_map = root.def_path_hash_map.decode(&blob); . 437 ( 0.00%) CrateMetadata { 19 ( 0.00%) blob, 57 ( 0.00%) root, 76 ( 0.00%) trait_impls, . raw_proc_macros, . source_map_import_info: OnceCell::new(), 76 ( 0.00%) def_path_hash_map, . expn_hash_map: Default::default(), 133 ( 0.00%) alloc_decoding_state, . cnum, 76 ( 0.00%) cnum_map, 95 ( 0.00%) dependencies, . dep_kind: Lock::new(dep_kind), 228 ( 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(), . } 171 ( 0.00%) } . . crate fn dependencies(&self) -> LockGuard<'_, Vec> { . 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 { 95 ( 0.00%) *extern_crate = Some(new_extern_crate); . } . update . } . . crate fn source(&self) -> &CrateSource { . &self.source . } . . crate fn dep_kind(&self) -> CrateDepKind { . *self.dep_kind.lock() . } . . crate fn update_dep_kind(&self, f: impl FnOnce(CrateDepKind) -> CrateDepKind) { 68 ( 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 { 5 ( 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 -- line 1925 ---------------------------------------- -- line 1941 ---------------------------------------- . self.root.hash . } . . fn num_def_ids(&self) -> usize { . self.root.tables.def_keys.size() . } . . fn local_def_id(&self, index: DefIndex) -> DefId { 10,402 ( 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 { . for (local, &global) in self.cnum_map.iter_enumerated() { 2,215 ( 0.00%) if global == did.krate { . return Some(DefId { krate: local, index: did.index }); . } . } . . None . } . } . -- line 1964 ---------------------------------------- 421,112 ( 0.07%) -------------------------------------------------------------------------------- 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 ./nptl/pthread_rwlock_common.c ./stdlib/msort.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 -------------------------------------------------------------------------------- Ir -------------------------------------------------------------------------------- 42,877,743 ( 6.86%) events annotated