BitcodeReader.cpp File Reference

#include "llvm/Bitcode/BitcodeReader.h"
#include "MetadataLoader.h"
#include "ValueList.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Bitcode/BitcodeCommon.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
#include "llvm/Bitstream/BitstreamReader.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/AttributeMask.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/AutoUpgrade.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Comdat.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/ConstantRangeList.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GVMaterializer.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalIFunc.h"
#include "llvm/IR/GlobalObject.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/ProfDataUtils.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/ModRef.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Triple.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <deque>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <system_error>
#include <tuple>
#include <utility>
#include <vector>

Go to the source code of this file.

Functions
static Error	error (const Twine &Message)
static Error	hasInvalidBitcodeHeader (BitstreamCursor &Stream)
static Expected< BitstreamCursor >	initStream (MemoryBufferRef Buffer)
template<typename StrTy>
static bool	convertToString (ArrayRef< uint64_t > Record, unsigned Idx, StrTy &Result)
	Convert a string from a record into an std::string, return true on failure.
static void	stripTBAA (Module *M)
static Expected< std::string >	readIdentificationBlock (BitstreamCursor &Stream)
	Read the "IDENTIFICATION_BLOCK_ID" block, do some basic enforcement on the "epoch" encoded in the bitcode, and return the producer name if any.
static Expected< std::string >	readIdentificationCode (BitstreamCursor &Stream)
static Expected< bool >	hasObjCCategoryInModule (BitstreamCursor &Stream)
static Expected< bool >	hasObjCCategory (BitstreamCursor &Stream)
static Expected< std::string >	readModuleTriple (BitstreamCursor &Stream)
static Expected< std::string >	readTriple (BitstreamCursor &Stream)
static bool	hasImplicitComdat (size_t Val)
static GlobalValue::LinkageTypes	getDecodedLinkage (unsigned Val)
static FunctionSummary::FFlags	getDecodedFFlags (uint64_t RawFlags)
static GlobalValueSummary::GVFlags	getDecodedGVSummaryFlags (uint64_t RawFlags, uint64_t Version)
static GlobalVarSummary::GVarFlags	getDecodedGVarFlags (uint64_t RawFlags)
static std::pair< CalleeInfo::HotnessType, bool >	getDecodedHotnessCallEdgeInfo (uint64_t RawFlags)
static void	getDecodedRelBFCallEdgeInfo (uint64_t RawFlags, uint64_t &RelBF, bool &HasTailCall)
static GlobalValue::VisibilityTypes	getDecodedVisibility (unsigned Val)
static GlobalValue::DLLStorageClassTypes	getDecodedDLLStorageClass (unsigned Val)
static bool	getDecodedDSOLocal (unsigned Val)
static std::optional< CodeModel::Model >	getDecodedCodeModel (unsigned Val)
static GlobalVariable::ThreadLocalMode	getDecodedThreadLocalMode (unsigned Val)
static GlobalVariable::UnnamedAddr	getDecodedUnnamedAddrType (unsigned Val)
static int	getDecodedCastOpcode (unsigned Val)
static int	getDecodedUnaryOpcode (unsigned Val, Type *Ty)
static int	getDecodedBinaryOpcode (unsigned Val, Type *Ty)
static AtomicRMWInst::BinOp	getDecodedRMWOperation (unsigned Val)
static AtomicOrdering	getDecodedOrdering (unsigned Val)
static Comdat::SelectionKind	getDecodedComdatSelectionKind (unsigned Val)
static FastMathFlags	getDecodedFastMathFlags (unsigned Val)
static void	upgradeDLLImportExportLinkage (GlobalValue *GV, unsigned Val)
static GEPNoWrapFlags	toGEPNoWrapFlags (uint64_t Flags)
static bool	isConstExprSupported (const BitcodeConstant *BC)
static uint64_t	getRawAttributeMask (Attribute::AttrKind Val)
static void	addRawAttributeValue (AttrBuilder &B, uint64_t Val)
static void	decodeLLVMAttributesForBitcode (AttrBuilder &B, uint64_t EncodedAttrs, uint64_t AttrIdx)
	This fills an AttrBuilder object with the LLVM attributes that have been decoded from the given integer.
static Attribute::AttrKind	getAttrFromCode (uint64_t Code)
static bool	upgradeOldMemoryAttribute (MemoryEffects &ME, uint64_t EncodedKind)
static Expected< uint64_t >	jumpToValueSymbolTable (uint64_t Offset, BitstreamCursor &Stream)
	Helper to note and return the current location, and jump to the given offset.
static void	inferDSOLocal (GlobalValue *GV)
GlobalValue::SanitizerMetadata	deserializeSanitizerMetadata (unsigned V)
static void	parseWholeProgramDevirtResolutionByArg (ArrayRef< uint64_t > Record, size_t &Slot, WholeProgramDevirtResolution &Wpd)
static void	parseWholeProgramDevirtResolution (ArrayRef< uint64_t > Record, StringRef Strtab, size_t &Slot, TypeIdSummary &TypeId)
static void	parseTypeIdSummaryRecord (ArrayRef< uint64_t > Record, StringRef Strtab, ModuleSummaryIndex &TheIndex)
static void	setSpecialRefs (SmallVectorImpl< ValueInfo > &Refs, unsigned ROCnt, unsigned WOCnt)
static Expected< StringRef >	readBlobInRecord (BitstreamCursor &Stream, unsigned Block, unsigned RecordID)
static Expected< std::pair< bool, bool > >	getEnableSplitLTOUnitAndUnifiedFlag (BitstreamCursor &Stream, unsigned ID, BitcodeLTOInfo &LTOInfo)
static Expected< BitcodeModule >	getSingleModule (MemoryBufferRef Buffer)

Variables
static cl::opt< bool >	PrintSummaryGUIDs ("print-summary-global-ids", cl::init(false), cl::Hidden, cl::desc("Print the global id for each value when reading the module summary"))
static cl::opt< bool >	ExpandConstantExprs ("expand-constant-exprs", cl::Hidden, cl::desc("Expand constant expressions to instructions for testing purposes"))

Function Documentation

addRawAttributeValue()

void addRawAttributeValue ( AttrBuilder & B, uint64_t Val )

static

Definition at line 1919 of file BitcodeReader.cpp.

References A(), B(), llvm::Attribute::EndAttrKinds, getRawAttributeMask(), I, llvm::Attribute::isTypeAttrKind(), and llvm::Attribute::None.

Referenced by decodeLLVMAttributesForBitcode().

convertToString()

template<typename StrTy>

bool convertToString ( ArrayRef< uint64_t > Record, unsigned Idx, StrTy & Result )

static

Convert a string from a record into an std::string, return true on failure.

Definition at line 160 of file BitcodeReader.cpp.

Referenced by hasObjCCategoryInModule(), readIdentificationBlock(), and readModuleTriple().

decodeLLVMAttributesForBitcode()

void decodeLLVMAttributesForBitcode ( AttrBuilder & B, uint64_t EncodedAttrs, uint64_t AttrIdx )

static

This fills an AttrBuilder object with the LLVM attributes that have been decoded from the given integer.

Definition at line 1939 of file BitcodeReader.cpp.

References addRawAttributeValue(), assert(), B(), llvm::MemoryEffectsBase< IRMemLocation >::inaccessibleMemOnly(), llvm::MemoryEffectsBase< IRMemLocation >::inaccessibleOrArgMemOnly(), llvm::isPowerOf2_32(), llvm::CaptureInfo::none(), llvm::MemoryEffectsBase< IRMemLocation >::none(), llvm::MemoryEffectsBase< IRMemLocation >::readOnly(), llvm::MemoryEffectsBase< IRMemLocation >::unknown(), and llvm::MemoryEffectsBase< IRMemLocation >::writeOnly().

deserializeSanitizerMetadata()

GlobalValue::SanitizerMetadata deserializeSanitizerMetadata

(

unsigned

V

)

Definition at line 4081 of file BitcodeReader.cpp.

error()

Error error ( const Twine & Message )

static

Definition at line 112 of file BitcodeReader.cpp.

References llvm::CorruptedBitcode, llvm::make_error(), and llvm::make_error_code().

getAttrFromCode()

Attribute::AttrKind getAttrFromCode ( uint64_t Code )

static

Definition at line 2058 of file BitcodeReader.cpp.

References llvm::bitc::ATTR_KIND_ALIGNMENT, llvm::bitc::ATTR_KIND_ALLOC_ALIGN, llvm::bitc::ATTR_KIND_ALLOC_KIND, llvm::bitc::ATTR_KIND_ALLOC_SIZE, llvm::bitc::ATTR_KIND_ALLOCATED_POINTER, llvm::bitc::ATTR_KIND_ALWAYS_INLINE, llvm::bitc::ATTR_KIND_BUILTIN, llvm::bitc::ATTR_KIND_BY_VAL, llvm::bitc::ATTR_KIND_BYREF, llvm::bitc::ATTR_KIND_CAPTURES, llvm::bitc::ATTR_KIND_COLD, llvm::bitc::ATTR_KIND_CONVERGENT, llvm::bitc::ATTR_KIND_CORO_ELIDE_SAFE, llvm::bitc::ATTR_KIND_CORO_ONLY_DESTROY_WHEN_COMPLETE, llvm::bitc::ATTR_KIND_DEAD_ON_RETURN, llvm::bitc::ATTR_KIND_DEAD_ON_UNWIND, llvm::bitc::ATTR_KIND_DEREFERENCEABLE, llvm::bitc::ATTR_KIND_DEREFERENCEABLE_OR_NULL, llvm::bitc::ATTR_KIND_DISABLE_SANITIZER_INSTRUMENTATION, llvm::bitc::ATTR_KIND_ELEMENTTYPE, llvm::bitc::ATTR_KIND_FNRETTHUNK_EXTERN, llvm::bitc::ATTR_KIND_HOT, llvm::bitc::ATTR_KIND_IMMARG, llvm::bitc::ATTR_KIND_IN_ALLOCA, llvm::bitc::ATTR_KIND_IN_REG, llvm::bitc::ATTR_KIND_INITIALIZES, llvm::bitc::ATTR_KIND_INLINE_HINT, llvm::bitc::ATTR_KIND_JUMP_TABLE, llvm::bitc::ATTR_KIND_MEMORY, llvm::bitc::ATTR_KIND_MIN_SIZE, llvm::bitc::ATTR_KIND_MUSTPROGRESS, llvm::bitc::ATTR_KIND_NAKED, llvm::bitc::ATTR_KIND_NEST, llvm::bitc::ATTR_KIND_NO_ALIAS, llvm::bitc::ATTR_KIND_NO_BUILTIN, llvm::bitc::ATTR_KIND_NO_CALLBACK, llvm::bitc::ATTR_KIND_NO_DIVERGENCE_SOURCE, llvm::bitc::ATTR_KIND_NO_DUPLICATE, llvm::bitc::ATTR_KIND_NO_EXT, llvm::bitc::ATTR_KIND_NO_IMPLICIT_FLOAT, llvm::bitc::ATTR_KIND_NO_INLINE, llvm::bitc::ATTR_KIND_NO_MERGE, llvm::bitc::ATTR_KIND_NO_PROFILE, llvm::bitc::ATTR_KIND_NO_RECURSE, llvm::bitc::ATTR_KIND_NO_RED_ZONE, llvm::bitc::ATTR_KIND_NO_RETURN, llvm::bitc::ATTR_KIND_NO_SANITIZE_BOUNDS, llvm::bitc::ATTR_KIND_NO_SANITIZE_COVERAGE, llvm::bitc::ATTR_KIND_NO_UNWIND, llvm::bitc::ATTR_KIND_NOCF_CHECK, llvm::bitc::ATTR_KIND_NOFPCLASS, llvm::bitc::ATTR_KIND_NOFREE, llvm::bitc::ATTR_KIND_NON_LAZY_BIND, llvm::bitc::ATTR_KIND_NON_NULL, llvm::bitc::ATTR_KIND_NOSYNC, llvm::bitc::ATTR_KIND_NOUNDEF, llvm::bitc::ATTR_KIND_NULL_POINTER_IS_VALID, llvm::bitc::ATTR_KIND_OPT_FOR_FUZZING, llvm::bitc::ATTR_KIND_OPTIMIZE_FOR_DEBUGGING, llvm::bitc::ATTR_KIND_OPTIMIZE_FOR_SIZE, llvm::bitc::ATTR_KIND_OPTIMIZE_NONE, llvm::bitc::ATTR_KIND_PREALLOCATED, llvm::bitc::ATTR_KIND_PRESPLIT_COROUTINE, llvm::bitc::ATTR_KIND_RANGE, llvm::bitc::ATTR_KIND_READ_NONE, llvm::bitc::ATTR_KIND_READ_ONLY, llvm::bitc::ATTR_KIND_RETURNED, llvm::bitc::ATTR_KIND_RETURNS_TWICE, llvm::bitc::ATTR_KIND_S_EXT, llvm::bitc::ATTR_KIND_SAFESTACK, llvm::bitc::ATTR_KIND_SANITIZE_ADDRESS, llvm::bitc::ATTR_KIND_SANITIZE_HWADDRESS, llvm::bitc::ATTR_KIND_SANITIZE_MEMORY, llvm::bitc::ATTR_KIND_SANITIZE_MEMTAG, llvm::bitc::ATTR_KIND_SANITIZE_NUMERICAL_STABILITY, llvm::bitc::ATTR_KIND_SANITIZE_REALTIME, llvm::bitc::ATTR_KIND_SANITIZE_REALTIME_BLOCKING, llvm::bitc::ATTR_KIND_SANITIZE_THREAD, llvm::bitc::ATTR_KIND_SANITIZE_TYPE, llvm::bitc::ATTR_KIND_SHADOWCALLSTACK, llvm::bitc::ATTR_KIND_SKIP_PROFILE, llvm::bitc::ATTR_KIND_SPECULATABLE, llvm::bitc::ATTR_KIND_SPECULATIVE_LOAD_HARDENING, llvm::bitc::ATTR_KIND_STACK_ALIGNMENT, llvm::bitc::ATTR_KIND_STACK_PROTECT, llvm::bitc::ATTR_KIND_STACK_PROTECT_REQ, llvm::bitc::ATTR_KIND_STACK_PROTECT_STRONG, llvm::bitc::ATTR_KIND_STRICT_FP, llvm::bitc::ATTR_KIND_STRUCT_RET, llvm::bitc::ATTR_KIND_SWIFT_ASYNC, llvm::bitc::ATTR_KIND_SWIFT_ERROR, llvm::bitc::ATTR_KIND_SWIFT_SELF, llvm::bitc::ATTR_KIND_UW_TABLE, llvm::bitc::ATTR_KIND_VSCALE_RANGE, llvm::bitc::ATTR_KIND_WILLRETURN, llvm::bitc::ATTR_KIND_WRITABLE, llvm::bitc::ATTR_KIND_WRITEONLY, llvm::bitc::ATTR_KIND_Z_EXT, and llvm::Attribute::None.

getDecodedBinaryOpcode()

int getDecodedBinaryOpcode ( unsigned Val, Type * Ty )

static

Definition at line 1308 of file BitcodeReader.cpp.

References llvm::bitc::BINOP_ADD, llvm::bitc::BINOP_AND, llvm::bitc::BINOP_ASHR, llvm::bitc::BINOP_LSHR, llvm::bitc::BINOP_MUL, llvm::bitc::BINOP_OR, llvm::bitc::BINOP_SDIV, llvm::bitc::BINOP_SHL, llvm::bitc::BINOP_SREM, llvm::bitc::BINOP_SUB, llvm::bitc::BINOP_UDIV, llvm::bitc::BINOP_UREM, and llvm::bitc::BINOP_XOR.

getDecodedCastOpcode()

int getDecodedCastOpcode ( unsigned Val )

static

Definition at line 1274 of file BitcodeReader.cpp.

References llvm::bitc::CAST_ADDRSPACECAST, llvm::bitc::CAST_BITCAST, llvm::bitc::CAST_FPEXT, llvm::bitc::CAST_FPTOSI, llvm::bitc::CAST_FPTOUI, llvm::bitc::CAST_FPTRUNC, llvm::bitc::CAST_INTTOPTR, llvm::bitc::CAST_PTRTOADDR, llvm::bitc::CAST_PTRTOINT, llvm::bitc::CAST_SEXT, llvm::bitc::CAST_SITOFP, llvm::bitc::CAST_TRUNC, llvm::bitc::CAST_UITOFP, and llvm::bitc::CAST_ZEXT.

getDecodedCodeModel()

std::optional< CodeModel::Model > getDecodedCodeModel ( unsigned Val )

static

Definition at line 1237 of file BitcodeReader.cpp.

References llvm::CodeModel::Kernel, llvm::CodeModel::Large, llvm::CodeModel::Medium, llvm::CodeModel::Small, and llvm::CodeModel::Tiny.

getDecodedComdatSelectionKind()

Comdat::SelectionKind getDecodedComdatSelectionKind ( unsigned Val )

static

Definition at line 1392 of file BitcodeReader.cpp.

References llvm::Comdat::Any, llvm::bitc::COMDAT_SELECTION_KIND_ANY, llvm::bitc::COMDAT_SELECTION_KIND_EXACT_MATCH, llvm::bitc::COMDAT_SELECTION_KIND_LARGEST, llvm::bitc::COMDAT_SELECTION_KIND_NO_DUPLICATES, llvm::bitc::COMDAT_SELECTION_KIND_SAME_SIZE, llvm::Comdat::ExactMatch, llvm::Comdat::Largest, llvm::Comdat::NoDeduplicate, and llvm::Comdat::SameSize.

getDecodedDLLStorageClass()

GlobalValue::DLLStorageClassTypes getDecodedDLLStorageClass ( unsigned Val )

static

Definition at line 1220 of file BitcodeReader.cpp.

References llvm::GlobalValue::DefaultStorageClass, llvm::GlobalValue::DLLExportStorageClass, and llvm::GlobalValue::DLLImportStorageClass.

getDecodedDSOLocal()

bool getDecodedDSOLocal ( unsigned Val )

static

Definition at line 1229 of file BitcodeReader.cpp.

getDecodedFastMathFlags()

FastMathFlags getDecodedFastMathFlags ( unsigned Val )

static

Definition at line 1408 of file BitcodeReader.cpp.

References llvm::bitc::AllowContract, llvm::bitc::AllowReassoc, llvm::bitc::AllowReciprocal, llvm::bitc::ApproxFunc, llvm::bitc::NoInfs, llvm::bitc::NoNaNs, llvm::bitc::NoSignedZeros, llvm::FastMathFlags::setAllowContract(), llvm::FastMathFlags::setAllowReassoc(), llvm::FastMathFlags::setAllowReciprocal(), llvm::FastMathFlags::setApproxFunc(), llvm::FastMathFlags::setFast(), llvm::FastMathFlags::setNoInfs(), llvm::FastMathFlags::setNoNaNs(), llvm::FastMathFlags::setNoSignedZeros(), and llvm::bitc::UnsafeAlgebra.

getDecodedFFlags()

FunctionSummary::FFlags getDecodedFFlags ( uint64_t RawFlags )

static

Definition at line 1146 of file BitcodeReader.cpp.

References llvm::FunctionSummary::FFlags::ReadNone.

getDecodedGVarFlags()

GlobalVarSummary::GVarFlags getDecodedGVarFlags ( uint64_t RawFlags )

static

Definition at line 1187 of file BitcodeReader.cpp.

getDecodedGVSummaryFlags()

GlobalValueSummary::GVFlags getDecodedGVSummaryFlags ( uint64_t RawFlags, uint64_t Version )

static

Definition at line 1165 of file BitcodeReader.cpp.

References Linkage, and Local.

getDecodedHotnessCallEdgeInfo()

std::pair< CalleeInfo::HotnessType, bool > getDecodedHotnessCallEdgeInfo ( uint64_t RawFlags )

static

Definition at line 1195 of file BitcodeReader.cpp.

getDecodedLinkage()

GlobalValue::LinkageTypes getDecodedLinkage ( unsigned Val )

static

Definition at line 1104 of file BitcodeReader.cpp.

References llvm::GlobalValue::AppendingLinkage, llvm::GlobalValue::AvailableExternallyLinkage, llvm::GlobalValue::CommonLinkage, llvm::GlobalValue::ExternalLinkage, llvm::GlobalValue::ExternalWeakLinkage, llvm::GlobalValue::InternalLinkage, llvm::GlobalValue::LinkOnceAnyLinkage, llvm::GlobalValue::LinkOnceODRLinkage, llvm::GlobalValue::PrivateLinkage, llvm::GlobalValue::WeakAnyLinkage, and llvm::GlobalValue::WeakODRLinkage.

getDecodedOrdering()

AtomicOrdering getDecodedOrdering ( unsigned Val )

static

Definition at line 1379 of file BitcodeReader.cpp.

References llvm::Acquire, llvm::AcquireRelease, llvm::Monotonic, llvm::NotAtomic, llvm::bitc::ORDERING_ACQREL, llvm::bitc::ORDERING_ACQUIRE, llvm::bitc::ORDERING_MONOTONIC, llvm::bitc::ORDERING_NOTATOMIC, llvm::bitc::ORDERING_RELEASE, llvm::bitc::ORDERING_SEQCST, llvm::bitc::ORDERING_UNORDERED, llvm::Release, llvm::SequentiallyConsistent, and llvm::Unordered.

getDecodedRelBFCallEdgeInfo()

void getDecodedRelBFCallEdgeInfo ( uint64_t RawFlags, uint64_t & RelBF, bool & HasTailCall )

static

Definition at line 1202 of file BitcodeReader.cpp.

References llvm::CalleeInfo::RelBlockFreqBits.

getDecodedRMWOperation()

AtomicRMWInst::BinOp getDecodedRMWOperation ( unsigned Val )

static

Definition at line 1346 of file BitcodeReader.cpp.

References llvm::AtomicRMWInst::Add, llvm::AtomicRMWInst::And, llvm::AtomicRMWInst::BAD_BINOP, llvm::AtomicRMWInst::FAdd, llvm::AtomicRMWInst::FMax, llvm::AtomicRMWInst::FMaximum, llvm::AtomicRMWInst::FMin, llvm::AtomicRMWInst::FMinimum, llvm::AtomicRMWInst::FSub, llvm::AtomicRMWInst::Max, llvm::AtomicRMWInst::Min, llvm::AtomicRMWInst::Nand, llvm::AtomicRMWInst::Or, llvm::bitc::RMW_ADD, llvm::bitc::RMW_AND, llvm::bitc::RMW_FADD, llvm::bitc::RMW_FMAX, llvm::bitc::RMW_FMAXIMUM, llvm::bitc::RMW_FMIN, llvm::bitc::RMW_FMINIMUM, llvm::bitc::RMW_FSUB, llvm::bitc::RMW_MAX, llvm::bitc::RMW_MIN, llvm::bitc::RMW_NAND, llvm::bitc::RMW_OR, llvm::bitc::RMW_SUB, llvm::bitc::RMW_UDEC_WRAP, llvm::bitc::RMW_UINC_WRAP, llvm::bitc::RMW_UMAX, llvm::bitc::RMW_UMIN, llvm::bitc::RMW_USUB_COND, llvm::bitc::RMW_USUB_SAT, llvm::bitc::RMW_XCHG, llvm::bitc::RMW_XOR, llvm::AtomicRMWInst::Sub, llvm::AtomicRMWInst::UDecWrap, llvm::AtomicRMWInst::UIncWrap, llvm::AtomicRMWInst::UMax, llvm::AtomicRMWInst::UMin, llvm::AtomicRMWInst::USubCond, llvm::AtomicRMWInst::USubSat, llvm::AtomicRMWInst::Xchg, and llvm::AtomicRMWInst::Xor.

getDecodedThreadLocalMode()

GlobalVariable::ThreadLocalMode getDecodedThreadLocalMode ( unsigned Val )

static

Definition at line 1254 of file BitcodeReader.cpp.

References llvm::GlobalValue::GeneralDynamicTLSModel, llvm::GlobalValue::InitialExecTLSModel, llvm::GlobalValue::LocalDynamicTLSModel, llvm::GlobalValue::LocalExecTLSModel, and llvm::GlobalValue::NotThreadLocal.

getDecodedUnaryOpcode()

int getDecodedUnaryOpcode ( unsigned Val, Type * Ty )

static

Definition at line 1294 of file BitcodeReader.cpp.

References llvm::bitc::UNOP_FNEG.

getDecodedUnnamedAddrType()

GlobalVariable::UnnamedAddr getDecodedUnnamedAddrType ( unsigned Val )

static

Definition at line 1265 of file BitcodeReader.cpp.

References llvm::GlobalValue::Global, llvm::GlobalValue::Local, and llvm::GlobalValue::None.

getDecodedVisibility()

GlobalValue::VisibilityTypes getDecodedVisibility ( unsigned Val )

static

Definition at line 1210 of file BitcodeReader.cpp.

References llvm::GlobalValue::DefaultVisibility, llvm::GlobalValue::HiddenVisibility, and llvm::GlobalValue::ProtectedVisibility.

getEnableSplitLTOUnitAndUnifiedFlag()

Expected< std::pair< bool, bool > > getEnableSplitLTOUnitAndUnifiedFlag ( BitstreamCursor & Stream, unsigned ID, BitcodeLTOInfo & LTOInfo )

static

Definition at line 8565 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advanceSkippingSubblocks(), assert(), E(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamCursor::EnterSubBlock(), llvm::BitstreamEntry::Error, error, llvm::bitc::FS_FLAGS, llvm::Expected< T >::get(), llvm_unreachable, llvm::BitstreamCursor::readRecord(), llvm::BitstreamEntry::Record, llvm::BitstreamEntry::SubBlock, and llvm::Expected< T >::takeError().

Referenced by llvm::BitcodeModule::getLTOInfo().

getRawAttributeMask()

uint64_t getRawAttributeMask ( Attribute::AttrKind Val )

static

Definition at line 1841 of file BitcodeReader.cpp.

References llvm::Attribute::EmptyKey, llvm::Attribute::EndAttrKinds, llvm_unreachable, llvm::Attribute::None, and llvm::Attribute::TombstoneKey.

Referenced by addRawAttributeValue().

getSingleModule()

Expected< BitcodeModule > getSingleModule ( MemoryBufferRef Buffer )

static

Definition at line 8675 of file BitcodeReader.cpp.

References error, llvm::getBitcodeModuleList(), and llvm::Expected< T >::takeError().

Referenced by llvm::getBitcodeLTOInfo(), llvm::getLazyBitcodeModule(), llvm::getModuleSummaryIndex(), llvm::parseBitcodeFile(), and llvm::readModuleSummaryIndex().

hasImplicitComdat()

bool hasImplicitComdat ( size_t Val )

static

Definition at line 1092 of file BitcodeReader.cpp.

hasInvalidBitcodeHeader()

Error hasInvalidBitcodeHeader ( BitstreamCursor & Stream )

static

Definition at line 117 of file BitcodeReader.cpp.

References llvm::CallingConv::C, llvm::BitstreamCursor::canSkipToPos(), llvm::createStringError(), llvm::BitstreamCursor::Read(), and llvm::Error::success().

Referenced by initStream().

hasObjCCategory()

Expected< bool > hasObjCCategory ( BitstreamCursor & Stream )

static

Definition at line 317 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), E(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamEntry::Error, error, hasObjCCategoryInModule(), llvm::bitc::MODULE_BLOCK_ID, llvm::BitstreamEntry::Record, llvm::BitstreamCursor::SkipBlock(), llvm::BitstreamCursor::skipRecord(), and llvm::BitstreamEntry::SubBlock.

Referenced by getObjCClassCategory(), and llvm::isBitcodeContainingObjCCategory().

hasObjCCategoryInModule()

Expected< bool > hasObjCCategoryInModule ( BitstreamCursor & Stream )

static

Definition at line 261 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advanceSkippingSubblocks(), convertToString(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamCursor::EnterSubBlock(), llvm::BitstreamEntry::Error, error, llvm::Expected< T >::get(), llvm_unreachable, llvm::bitc::MODULE_BLOCK_ID, llvm::bitc::MODULE_CODE_SECTIONNAME, llvm::BitstreamCursor::readRecord(), llvm::BitstreamEntry::Record, llvm::StringRef::split(), llvm::BitstreamEntry::SubBlock, and llvm::Expected< T >::takeError().

Referenced by hasObjCCategory().

inferDSOLocal()

void inferDSOLocal ( GlobalValue * GV )

static

Definition at line 4074 of file BitcodeReader.cpp.

References llvm::GlobalValue::hasDefaultVisibility(), llvm::GlobalValue::hasExternalWeakLinkage(), llvm::GlobalValue::hasLocalLinkage(), and llvm::GlobalValue::setDSOLocal().

initStream()

Expected< BitstreamCursor > initStream ( MemoryBufferRef Buffer )

static

Definition at line 138 of file BitcodeReader.cpp.

References error, llvm::MemoryBufferRef::getBufferSize(), llvm::MemoryBufferRef::getBufferStart(), hasInvalidBitcodeHeader(), llvm::isBitcodeWrapper(), and llvm::SkipBitcodeWrapperHeader().

Referenced by llvm::getBitcodeFileContents(), llvm::getBitcodeProducerString(), llvm::getBitcodeTargetTriple(), and llvm::isBitcodeContainingObjCCategory().

isConstExprSupported()

bool isConstExprSupported ( const BitcodeConstant * BC )

static

Definition at line 1509 of file BitcodeReader.cpp.

References ExpandConstantExprs, llvm::Instruction::isBinaryOp(), llvm::Instruction::isCast(), llvm::ConstantExpr::isSupportedBinOp(), llvm::ConstantExpr::isSupportedCastOp(), and llvm::ConstantExpr::isSupportedGetElementPtr().

jumpToValueSymbolTable()

Expected< uint64_t > jumpToValueSymbolTable ( uint64_t Offset, BitstreamCursor & Stream )

static

Helper to note and return the current location, and jump to the given offset.

Definition at line 2932 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), error, llvm::Expected< T >::get(), llvm::BitstreamCursor::GetCurrentBitNo(), llvm::BitstreamCursor::JumpToBit(), llvm::Offset, llvm::BitstreamEntry::SubBlock, llvm::Expected< T >::takeError(), and llvm::bitc::VALUE_SYMTAB_BLOCK_ID.

parseTypeIdSummaryRecord()

void parseTypeIdSummaryRecord ( ArrayRef< uint64_t > Record, StringRef Strtab, ModuleSummaryIndex & TheIndex )

static

Definition at line 7507 of file BitcodeReader.cpp.

References llvm::TypeTestResolution::AlignLog2, llvm::TypeTestResolution::BitMask, llvm::StringRef::data(), llvm::ModuleSummaryIndex::getOrInsertTypeIdSummary(), llvm::TypeTestResolution::InlineBits, parseWholeProgramDevirtResolution(), llvm::TypeTestResolution::SizeM1, llvm::TypeTestResolution::SizeM1BitWidth, llvm::TypeTestResolution::TheKind, and llvm::TypeIdSummary::TTRes.

parseWholeProgramDevirtResolution()

void parseWholeProgramDevirtResolution ( ArrayRef< uint64_t > Record, StringRef Strtab, size_t & Slot, TypeIdSummary & TypeId )

static

Definition at line 7491 of file BitcodeReader.cpp.

References llvm::StringRef::data(), I, parseWholeProgramDevirtResolutionByArg(), llvm::WholeProgramDevirtResolution::SingleImplName, llvm::WholeProgramDevirtResolution::TheKind, and llvm::TypeIdSummary::WPDRes.

Referenced by parseTypeIdSummaryRecord().

parseWholeProgramDevirtResolutionByArg()

void parseWholeProgramDevirtResolutionByArg ( ArrayRef< uint64_t > Record, size_t & Slot, WholeProgramDevirtResolution & Wpd )

static

Definition at line 7477 of file BitcodeReader.cpp.

References B(), and llvm::WholeProgramDevirtResolution::ResByArg.

Referenced by parseWholeProgramDevirtResolution().

readBlobInRecord()

Expected< StringRef > readBlobInRecord ( BitstreamCursor & Stream, unsigned Block, unsigned RecordID )

static

Definition at line 8316 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), llvm::Block, llvm::BitstreamEntry::EndBlock, llvm::BitstreamCursor::EnterSubBlock(), llvm::BitstreamEntry::Error, error, llvm::Expected< T >::get(), llvm::BitstreamCursor::readRecord(), llvm::BitstreamEntry::Record, llvm::BitstreamCursor::SkipBlock(), llvm::BitstreamEntry::SubBlock, and llvm::Expected< T >::takeError().

Referenced by llvm::getBitcodeFileContents().

readIdentificationBlock()

Expected< std::string > readIdentificationBlock ( BitstreamCursor & Stream )

static

Read the "IDENTIFICATION_BLOCK_ID" block, do some basic enforcement on the "epoch" encoded in the bitcode, and return the producer name if any.

Definition at line 181 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), llvm::bitc::BITCODE_CURRENT_EPOCH, convertToString(), E(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamCursor::EnterSubBlock(), llvm::BitstreamEntry::Error, error, llvm::Expected< T >::get(), llvm::bitc::IDENTIFICATION_BLOCK_ID, llvm::bitc::IDENTIFICATION_CODE_EPOCH, llvm::bitc::IDENTIFICATION_CODE_STRING, llvm::BitstreamCursor::readRecord(), llvm::BitstreamEntry::Record, and llvm::Expected< T >::takeError().

Referenced by readIdentificationCode().

readIdentificationCode()

Expected< std::string > readIdentificationCode ( BitstreamCursor & Stream )

static

Definition at line 229 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), llvm::BitstreamCursor::AtEndOfStream(), E(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamEntry::Error, error, llvm::bitc::IDENTIFICATION_BLOCK_ID, readIdentificationBlock(), llvm::BitstreamEntry::Record, llvm::BitstreamCursor::SkipBlock(), llvm::BitstreamCursor::skipRecord(), and llvm::BitstreamEntry::SubBlock.

Referenced by llvm::getBitcodeProducerString().

readModuleTriple()

Expected< std::string > readModuleTriple ( BitstreamCursor & Stream )

static

Definition at line 348 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advanceSkippingSubblocks(), convertToString(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamCursor::EnterSubBlock(), llvm::BitstreamEntry::Error, error, llvm::Expected< T >::get(), llvm_unreachable, llvm::bitc::MODULE_BLOCK_ID, llvm::bitc::MODULE_CODE_TRIPLE, llvm::BitstreamCursor::readRecord(), llvm::BitstreamEntry::Record, llvm::BitstreamEntry::SubBlock, and llvm::Expected< T >::takeError().

Referenced by readTriple().

readTriple()

Expected< std::string > readTriple ( BitstreamCursor & Stream )

static

Definition at line 393 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), llvm::BitstreamEntry::EndBlock, llvm::BitstreamEntry::Error, error, llvm::Expected< T >::get(), llvm::bitc::MODULE_BLOCK_ID, readModuleTriple(), llvm::BitstreamEntry::Record, llvm::BitstreamCursor::SkipBlock(), llvm::BitstreamCursor::skipRecord(), llvm::BitstreamEntry::SubBlock, and llvm::Expected< T >::takeError().

Referenced by llvm::getBitcodeTargetTriple().

setSpecialRefs()

void setSpecialRefs ( SmallVectorImpl< ValueInfo > & Refs, unsigned ROCnt, unsigned WOCnt )

static

Definition at line 7619 of file BitcodeReader.cpp.

References assert(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

stripTBAA()

void stripTBAA ( Module * M )

static

Definition at line 170 of file BitcodeReader.cpp.

References F, I, and instructions.

toGEPNoWrapFlags()

GEPNoWrapFlags toGEPNoWrapFlags ( uint64_t Flags )

static

Definition at line 1498 of file BitcodeReader.cpp.

References llvm::bitc::GEP_INBOUNDS, llvm::bitc::GEP_NUSW, llvm::bitc::GEP_NUW, llvm::GEPNoWrapFlags::inBounds(), llvm::GEPNoWrapFlags::noUnsignedSignedWrap(), and llvm::GEPNoWrapFlags::noUnsignedWrap().

upgradeDLLImportExportLinkage()

void upgradeDLLImportExportLinkage ( GlobalValue * GV, unsigned Val )

static

Definition at line 1429 of file BitcodeReader.cpp.

References llvm::GlobalValue::DLLExportStorageClass, llvm::GlobalValue::DLLImportStorageClass, llvm::GlobalValue::hasLocalLinkage(), and llvm::GlobalValue::setDLLStorageClass().

upgradeOldMemoryAttribute()

bool upgradeOldMemoryAttribute ( MemoryEffects & ME, uint64_t EncodedKind )

static

Definition at line 2278 of file BitcodeReader.cpp.

References llvm::MemoryEffectsBase< IRMemLocation >::argMemOnly(), llvm::bitc::ATTR_KIND_ARGMEMONLY, llvm::bitc::ATTR_KIND_INACCESSIBLEMEM_ONLY, llvm::bitc::ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY, llvm::bitc::ATTR_KIND_READ_NONE, llvm::bitc::ATTR_KIND_READ_ONLY, llvm::bitc::ATTR_KIND_WRITEONLY, llvm::MemoryEffectsBase< IRMemLocation >::inaccessibleMemOnly(), llvm::MemoryEffectsBase< IRMemLocation >::inaccessibleOrArgMemOnly(), llvm::MemoryEffectsBase< IRMemLocation >::none(), llvm::MemoryEffectsBase< IRMemLocation >::readOnly(), and llvm::MemoryEffectsBase< IRMemLocation >::writeOnly().

Variable Documentation

ExpandConstantExprs

cl::opt< bool > ExpandConstantExprs("expand-constant-exprs", cl::Hidden, cl::desc( "Expand constant expressions to instructions for testing purposes")) ( "expand-constant-exprs" , cl::Hidden , cl::desc( "Expand constant expressions to instructions for testing purposes")  )

static

Referenced by isConstExprSupported().

PrintSummaryGUIDs

cl::opt< bool > PrintSummaryGUIDs("print-summary-global-ids", cl::init(false), cl::Hidden, cl::desc( "Print the global id for each value when reading the module summary")) ( "print-summary-global-ids" , cl::init(false) , cl::Hidden , cl::desc( "Print the global id for each value when reading the module summary")  )

static