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/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/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 1371 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 153 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 1392 of file BitcodeReader.cpp.

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

error()

static Error error ( const Twine &  Message )

static

Definition at line 105 of file BitcodeReader.cpp.

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

Referenced by getSingleModule(), initStream(), and jumpToValueSymbolTable().

getAttrFromCode()

static Attribute::AttrKind getAttrFromCode ( uint64_t  Code )

static

Definition at line 1469 of file BitcodeReader.cpp.

References llvm::bitc::ATTR_KIND_ALIGNMENT, llvm::bitc::ATTR_KIND_ALLOC_ALIGN, llvm::bitc::ATTR_KIND_ALLOC_SIZE, llvm::bitc::ATTR_KIND_ALLOCATED_POINTER, 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_BOUNDS, 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 1086 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(), llvm::Type::isIntOrIntVectorTy(), and Mul.

getDecodedCastOpcode()

static int getDecodedCastOpcode ( unsigned  Val )

static

Definition at line 1053 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 1156 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 1016 of file BitcodeReader.cpp.

getDecodedDSOLocal()

static bool getDecodedDSOLocal ( unsigned  Val )

static

Definition at line 1025 of file BitcodeReader.cpp.

getDecodedFastMathFlags()

static FastMathFlags getDecodedFastMathFlags ( unsigned  Val )

static

Definition at line 1172 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 959 of file BitcodeReader.cpp.

References llvm::FunctionSummary::FFlags::AlwaysInline, llvm::FunctionSummary::FFlags::HasUnknownCall, llvm::FunctionSummary::FFlags::MayThrow, llvm::FunctionSummary::FFlags::MustBeUnreachable, 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 999 of file BitcodeReader.cpp.

References x2().

getDecodedGVSummaryFlags()

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

static

Definition at line 978 of file BitcodeReader.cpp.

References Version.

getDecodedLinkage()

static GlobalValue::LinkageTypes getDecodedLinkage ( unsigned  Val )

static

Definition at line 917 of file BitcodeReader.cpp.

getDecodedOrdering()

static AtomicOrdering getDecodedOrdering ( unsigned  Val )

static

Definition at line 1143 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 1124 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 1033 of file BitcodeReader.cpp.

getDecodedUnaryOpcode()

static int getDecodedUnaryOpcode ( unsigned  Val, Type *  Ty  )

static

Definition at line 1072 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 1044 of file BitcodeReader.cpp.

References llvm::None.

getDecodedVisibility()

static GlobalValue::VisibilityTypes getDecodedVisibility ( unsigned  Val )

static

Definition at line 1006 of file BitcodeReader.cpp.

getEnableSplitLTOUnitFlag()

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

static

Definition at line 7372 of file BitcodeReader.cpp.

getRawAttributeMask()

static uint64_t getRawAttributeMask ( Attribute::AttrKind  Val )

static

Definition at line 1293 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 7470 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 905 of file BitcodeReader.cpp.

hasInvalidBitcodeHeader()

static Error hasInvalidBitcodeHeader ( BitstreamCursor &  Stream )

static

Definition at line 110 of file BitcodeReader.cpp.

References llvm::createStringError(), and llvm::Error::success().

hasObjCCategory()

static Expected<bool> hasObjCCategory ( BitstreamCursor &  Stream )

static

Definition at line 301 of file BitcodeReader.cpp.

Referenced by llvm::isBitcodeContainingObjCCategory().

hasObjCCategoryInModule()

static Expected<bool> hasObjCCategoryInModule ( BitstreamCursor &  Stream )

static

Definition at line 254 of file BitcodeReader.cpp.

inferDSOLocal()

static void inferDSOLocal ( GlobalValue *  GV )

static

Definition at line 3433 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 131 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 2171 of file BitcodeReader.cpp.

References error(), llvm::Expected< T >::get(), 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 6525 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 6509 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 6495 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 7126 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 174 of file BitcodeReader.cpp.

readIdentificationCode()

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

static

Definition at line 222 of file BitcodeReader.cpp.

Referenced by llvm::getBitcodeProducerString().

readModuleTriple()

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

static

Definition at line 332 of file BitcodeReader.cpp.

readTriple()

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

static

Definition at line 377 of file BitcodeReader.cpp.

References llvm::Expected< T >::takeError().

Referenced by llvm::getBitcodeTargetTriple().

setSpecialRefs()

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

static

Definition at line 6600 of file BitcodeReader.cpp.

References assert().

stripTBAA()

static void stripTBAA ( Module *  M )

static

Definition at line 163 of file BitcodeReader.cpp.

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

upgradeDLLImportExportLinkage()

static void upgradeDLLImportExportLinkage ( GlobalValue *  GV, unsigned  Val  )

static

Definition at line 1193 of file BitcodeReader.cpp.

References llvm::GlobalValue::setDLLStorageClass().

Variable Documentation

ErrorCategory

ManagedStatic<BitcodeErrorCategoryType> ErrorCategory

static

Definition at line 7120 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