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/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.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/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/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/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/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/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/ManagedStatic.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <deque>
#include <map>
#include <memory>
#include <set>
#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. More...
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. More...
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 GlobalValue::VisibilityTypes	getDecodedVisibility (unsigned Val)
static GlobalValue::DLLStorageClassTypes	getDecodedDLLStorageClass (unsigned Val)
static bool	getDecodedDSOLocal (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 uint64_t	getRawAttributeMask (Attribute::AttrKind Val)
static void	addRawAttributeValue (AttrBuilder &B, uint64_t Val)
static void	decodeLLVMAttributesForBitcode (AttrBuilder &B, uint64_t EncodedAttrs)
	This fills an AttrBuilder object with the LLVM attributes that have been decoded from the given integer. More...
static Attribute::AttrKind	getAttrFromCode (uint64_t Code)
static Expected< uint64_t >	jumpToValueSymbolTable (uint64_t Offset, BitstreamCursor &Stream)
	Helper to note and return the current location, and jump to the given offset. More...
static void	inferDSOLocal (GlobalValue *GV)
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 (std::vector< ValueInfo > &Refs, unsigned ROCnt, unsigned WOCnt)
static Expected< StringRef >	readBlobInRecord (BitstreamCursor &Stream, unsigned Block, unsigned RecordID)
static Expected< bool >	getEnableSplitLTOUnitFlag (BitstreamCursor &Stream, unsigned ID)
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 ManagedStatic< BitcodeErrorCategoryType >	ErrorCategory

Function Documentation

addRawAttributeValue()

static void addRawAttributeValue ( AttrBuilder &  B, uint64_t  Val  )

static

Definition at line 1272 of file BitcodeReader.cpp.

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

Referenced by decodeLLVMAttributesForBitcode().

convertToString()

template<typename StrTy >

static 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 150 of file BitcodeReader.cpp.

decodeLLVMAttributesForBitcode()

static void decodeLLVMAttributesForBitcode ( AttrBuilder &  B, uint64_t  EncodedAttrs  )

static

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

This function must stay in sync with 'encodeLLVMAttributesForBitcode'.

Definition at line 1293 of file BitcodeReader.cpp.

References addRawAttributeValue(), assert(), B, and llvm::isPowerOf2_32().

error()

static Error error ( const Twine &  Message )

static

Definition at line 102 of file BitcodeReader.cpp.

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

Referenced by getSingleModule(), and initStream().

getAttrFromCode()

static Attribute::AttrKind getAttrFromCode ( uint64_t  Code )

static

Definition at line 1370 of file BitcodeReader.cpp.

References llvm::bitc::ATTR_KIND_ALIGNMENT, llvm::bitc::ATTR_KIND_ALLOC_SIZE, llvm::bitc::ATTR_KIND_ALWAYS_INLINE, llvm::bitc::ATTR_KIND_ARGMEMONLY, llvm::bitc::ATTR_KIND_BUILTIN, llvm::bitc::ATTR_KIND_BY_VAL, llvm::bitc::ATTR_KIND_BYREF, llvm::bitc::ATTR_KIND_COLD, llvm::bitc::ATTR_KIND_CONVERGENT, 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_HOT, llvm::bitc::ATTR_KIND_IMMARG, llvm::bitc::ATTR_KIND_IN_ALLOCA, llvm::bitc::ATTR_KIND_IN_REG, llvm::bitc::ATTR_KIND_INACCESSIBLEMEM_ONLY, llvm::bitc::ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY, llvm::bitc::ATTR_KIND_INLINE_HINT, llvm::bitc::ATTR_KIND_JUMP_TABLE, 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_CAPTURE, llvm::bitc::ATTR_KIND_NO_DUPLICATE, 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_COVERAGE, llvm::bitc::ATTR_KIND_NO_UNWIND, llvm::bitc::ATTR_KIND_NOCF_CHECK, 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_SIZE, llvm::bitc::ATTR_KIND_OPTIMIZE_NONE, llvm::bitc::ATTR_KIND_PREALLOCATED, 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_THREAD, llvm::bitc::ATTR_KIND_SHADOWCALLSTACK, 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_WRITEONLY, llvm::bitc::ATTR_KIND_Z_EXT, llvm::tgtok::Code, llvm::CallingConv::Cold, llvm::MCID::Convergent, JumpTable, and llvm::None.

getDecodedBinaryOpcode()

static int getDecodedBinaryOpcode ( unsigned  Val, Type *  Ty  )

static

Definition at line 1050 of file BitcodeReader.cpp.

References llvm::MCID::Add, 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, llvm::bitc::BINOP_XOR, llvm::Type::isFPOrFPVectorTy(), and llvm::Type::isIntOrIntVectorTy().

getDecodedCastOpcode()

static int getDecodedCastOpcode ( unsigned  Val )

static

Definition at line 1017 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_PTRTOINT, llvm::bitc::CAST_SEXT, llvm::bitc::CAST_SITOFP, llvm::bitc::CAST_TRUNC, llvm::bitc::CAST_UITOFP, and llvm::bitc::CAST_ZEXT.

getDecodedComdatSelectionKind()

static Comdat::SelectionKind getDecodedComdatSelectionKind ( unsigned  Val )

static

Definition at line 1120 of file BitcodeReader.cpp.

References llvm::SystemZICMP::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, and llvm::bitc::COMDAT_SELECTION_KIND_SAME_SIZE.

getDecodedDLLStorageClass()

static GlobalValue::DLLStorageClassTypes getDecodedDLLStorageClass ( unsigned  Val )

static

Definition at line 980 of file BitcodeReader.cpp.

getDecodedDSOLocal()

static bool getDecodedDSOLocal ( unsigned  Val )

static

Definition at line 989 of file BitcodeReader.cpp.

getDecodedFastMathFlags()

static FastMathFlags getDecodedFastMathFlags ( unsigned  Val )

static

Definition at line 1136 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()

static FunctionSummary::FFlags getDecodedFFlags ( uint64_t  RawFlags )

static

Definition at line 924 of file BitcodeReader.cpp.

References llvm::FunctionSummary::FFlags::AlwaysInline, llvm::FunctionSummary::FFlags::HasUnknownCall, llvm::FunctionSummary::FFlags::MayThrow, llvm::FunctionSummary::FFlags::NoInline, llvm::FunctionSummary::FFlags::NoRecurse, llvm::FunctionSummary::FFlags::NoUnwind, llvm::FunctionSummary::FFlags::ReadNone, llvm::FunctionSummary::FFlags::ReadOnly, and llvm::FunctionSummary::FFlags::ReturnDoesNotAlias.

getDecodedGVarFlags()

static GlobalVarSummary::GVarFlags getDecodedGVarFlags ( uint64_t  RawFlags )

static

Definition at line 963 of file BitcodeReader.cpp.

References x2().

getDecodedGVSummaryFlags()

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

static

Definition at line 942 of file BitcodeReader.cpp.

References Version.

getDecodedLinkage()

static GlobalValue::LinkageTypes getDecodedLinkage ( unsigned  Val )

static

Definition at line 882 of file BitcodeReader.cpp.

getDecodedOrdering()

static AtomicOrdering getDecodedOrdering ( unsigned  Val )

static

Definition at line 1107 of file BitcodeReader.cpp.

References 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, and Unordered.

getDecodedRMWOperation()

static AtomicRMWInst::BinOp getDecodedRMWOperation ( unsigned  Val )

static

Definition at line 1088 of file BitcodeReader.cpp.

References llvm::MCID::Add, llvm::bitc::RMW_ADD, llvm::bitc::RMW_AND, llvm::bitc::RMW_FADD, 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_UMAX, llvm::bitc::RMW_UMIN, llvm::bitc::RMW_XCHG, and llvm::bitc::RMW_XOR.

getDecodedThreadLocalMode()

static GlobalVariable::ThreadLocalMode getDecodedThreadLocalMode ( unsigned  Val )

static

Definition at line 997 of file BitcodeReader.cpp.

getDecodedUnaryOpcode()

static int getDecodedUnaryOpcode ( unsigned  Val, Type *  Ty  )

static

Definition at line 1036 of file BitcodeReader.cpp.

References llvm::Type::isFPOrFPVectorTy(), llvm::Type::isIntOrIntVectorTy(), and llvm::bitc::UNOP_FNEG.

getDecodedUnnamedAddrType()

static GlobalVariable::UnnamedAddr getDecodedUnnamedAddrType ( unsigned  Val )

static

Definition at line 1008 of file BitcodeReader.cpp.

References llvm::None.

getDecodedVisibility()

static GlobalValue::VisibilityTypes getDecodedVisibility ( unsigned  Val )

static

Definition at line 970 of file BitcodeReader.cpp.

getEnableSplitLTOUnitFlag()

static Expected<bool> getEnableSplitLTOUnitFlag ( BitstreamCursor &  Stream, unsigned  ID  )

static

Definition at line 6865 of file BitcodeReader.cpp.

getRawAttributeMask()

static uint64_t getRawAttributeMask ( Attribute::AttrKind  Val )

static

Definition at line 1194 of file BitcodeReader.cpp.

References llvm::CallingConv::Cold, llvm::MCID::Convergent, JumpTable, llvm_unreachable, and llvm::None.

Referenced by addRawAttributeValue().

getSingleModule()

static Expected<BitcodeModule> getSingleModule ( MemoryBufferRef  Buffer )

static

Definition at line 6963 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()

static bool hasImplicitComdat ( size_t  Val )

static

Definition at line 870 of file BitcodeReader.cpp.

hasInvalidBitcodeHeader()

static Error hasInvalidBitcodeHeader ( BitstreamCursor &  Stream )

static

Definition at line 107 of file BitcodeReader.cpp.

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

hasObjCCategory()

static Expected<bool> hasObjCCategory ( BitstreamCursor &  Stream )

static

Definition at line 298 of file BitcodeReader.cpp.

Referenced by llvm::isBitcodeContainingObjCCategory().

hasObjCCategoryInModule()

static Expected<bool> hasObjCCategoryInModule ( BitstreamCursor &  Stream )

static

Definition at line 251 of file BitcodeReader.cpp.

inferDSOLocal()

static void inferDSOLocal ( GlobalValue *  GV )

static

Definition at line 3206 of file BitcodeReader.cpp.

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

initStream()

static Expected<BitstreamCursor> initStream ( MemoryBufferRef  Buffer )

static

Definition at line 128 of file BitcodeReader.cpp.

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

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

jumpToValueSymbolTable()

static 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 2053 of file BitcodeReader.cpp.

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

parseTypeIdSummaryRecord()

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

static

Definition at line 6018 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()

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

static

Definition at line 6002 of file BitcodeReader.cpp.

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

Referenced by parseTypeIdSummaryRecord().

parseWholeProgramDevirtResolutionByArg()

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

static

Definition at line 5988 of file BitcodeReader.cpp.

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

Referenced by parseWholeProgramDevirtResolution().

readBlobInRecord()

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

static

Definition at line 6619 of file BitcodeReader.cpp.

readIdentificationBlock()

static 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 171 of file BitcodeReader.cpp.

readIdentificationCode()

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

static

Definition at line 219 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::AtEndOfStream().

Referenced by llvm::getBitcodeProducerString().

readModuleTriple()

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

static

Definition at line 329 of file BitcodeReader.cpp.

readTriple()

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

static

Definition at line 374 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), and llvm::Expected< T >::takeError().

Referenced by llvm::getBitcodeTargetTriple().

setSpecialRefs()

static void setSpecialRefs ( std::vector< ValueInfo > &  Refs, unsigned  ROCnt, unsigned  WOCnt  )

static

Definition at line 6093 of file BitcodeReader.cpp.

References assert().

stripTBAA()

static void stripTBAA ( Module *  M )

static

Definition at line 160 of file BitcodeReader.cpp.

References F, I, llvm::instructions(), and M.

upgradeDLLImportExportLinkage()

static void upgradeDLLImportExportLinkage ( GlobalValue *  GV, unsigned  Val  )

static

Definition at line 1157 of file BitcodeReader.cpp.

References llvm::GlobalValue::setDLLStorageClass().

Variable Documentation

ErrorCategory

ManagedStatic<BitcodeErrorCategoryType> ErrorCategory

static

Definition at line 6613 of file BitcodeReader.cpp.

Referenced by llvm::BitcodeErrorCategory().

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"))

static