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/Bitstream/BitstreamReader.h"
#include "llvm/Bitcode/LLVMBitCodes.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/CallSite.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/GlobalIndirectSymbol.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.

Enumerations
enum

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)
	Decode the flags for GlobalValue in the summary. More...
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 APInt	readWideAPInt (ArrayRef< uint64_t > Vals, unsigned TypeBits)
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

Enumeration Type Documentation

anonymous enum

anonymous enum

Definition at line 97 of file BitcodeReader.cpp.

Function Documentation

addRawAttributeValue()

static void addRawAttributeValue ( AttrBuilder &  B, uint64_t  Val  )

static

Definition at line 1306 of file BitcodeReader.cpp.

References llvm::AttrBuilder::addAlignmentAttr(), llvm::AttrBuilder::addAttribute(), llvm::AttrBuilder::addStackAlignmentAttr(), llvm::Attribute::EndAttrKinds, getRawAttributeMask(), I, and llvm::Attribute::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 151 of file BitcodeReader.cpp.

References llvm::numbers::e, and llvm::ArrayRef< T >::size().

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 1332 of file BitcodeReader.cpp.

References llvm::AttrBuilder::addAlignmentAttr(), addRawAttributeValue(), assert(), and llvm::isPowerOf2_32().

error()

static Error error ( const Twine &  Message )

static

Definition at line 103 of file BitcodeReader.cpp.

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

Referenced by getAttrFromCode(), llvm::getBitcodeFileContents(), getSingleModule(), inferDSOLocal(), initStream(), and readTriple().

getAttrFromCode()

static Attribute::AttrKind getAttrFromCode ( uint64_t  Code )

static

Definition at line 1411 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_COLD, llvm::bitc::ATTR_KIND_CONVERGENT, llvm::bitc::ATTR_KIND_DEREFERENCEABLE, llvm::bitc::ATTR_KIND_DEREFERENCEABLE_OR_NULL, 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_NAKED, llvm::bitc::ATTR_KIND_NEST, llvm::bitc::ATTR_KIND_NO_ALIAS, llvm::bitc::ATTR_KIND_NO_BUILTIN, 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_RECURSE, llvm::bitc::ATTR_KIND_NO_RED_ZONE, llvm::bitc::ATTR_KIND_NO_RETURN, 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_OPT_FOR_FUZZING, llvm::bitc::ATTR_KIND_OPTIMIZE_FOR_SIZE, llvm::bitc::ATTR_KIND_OPTIMIZE_NONE, 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_ERROR, llvm::bitc::ATTR_KIND_SWIFT_SELF, llvm::bitc::ATTR_KIND_UW_TABLE, llvm::bitc::ATTR_KIND_WILLRETURN, llvm::bitc::ATTR_KIND_WRITEONLY, llvm::bitc::ATTR_KIND_Z_EXT, llvm::CallingConv::Cold, llvm::MCID::Convergent, llvm::decodeMaybeAlign(), error(), llvm::Exponent, llvm::ISD::JumpTable, llvm::Value::MaxAlignmentExponent, llvm::NoAlias, llvm::Attribute::None, parseAttrKind(), and llvm::Error::success().

getDecodedBinaryOpcode()

static int getDecodedBinaryOpcode ( unsigned  Val, Type *  Ty  )

static

Definition at line 1071 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 1038 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 1141 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::NoDuplicates, and llvm::Comdat::SameSize.

getDecodedDLLStorageClass()

static GlobalValue::DLLStorageClassTypes getDecodedDLLStorageClass ( unsigned  Val )

static

Definition at line 1001 of file BitcodeReader.cpp.

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

getDecodedDSOLocal()

static bool getDecodedDSOLocal ( unsigned  Val )

static

Definition at line 1010 of file BitcodeReader.cpp.

getDecodedFastMathFlags()

static FastMathFlags getDecodedFastMathFlags ( unsigned  Val )

static

Definition at line 1157 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 956 of file BitcodeReader.cpp.

References llvm::FunctionSummary::FFlags::NoInline, llvm::FunctionSummary::FFlags::NoRecurse, 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 986 of file BitcodeReader.cpp.

getDecodedGVSummaryFlags()

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

static

Decode the flags for GlobalValue in the summary.

Definition at line 967 of file BitcodeReader.cpp.

getDecodedLinkage()

static GlobalValue::LinkageTypes getDecodedLinkage ( unsigned  Val )

static

Definition at line 914 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.

Referenced by inferDSOLocal().

getDecodedOrdering()

static AtomicOrdering getDecodedOrdering ( unsigned  Val )

static

Definition at line 1128 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.

getDecodedRMWOperation()

static AtomicRMWInst::BinOp getDecodedRMWOperation ( unsigned  Val )

static

Definition at line 1109 of file BitcodeReader.cpp.

References llvm::AtomicRMWInst::Add, llvm::AtomicRMWInst::And, llvm::AtomicRMWInst::BAD_BINOP, llvm::AtomicRMWInst::FAdd, 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_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, llvm::bitc::RMW_XOR, llvm::AtomicRMWInst::Sub, llvm::AtomicRMWInst::UMax, llvm::AtomicRMWInst::UMin, llvm::AtomicRMWInst::Xchg, and llvm::AtomicRMWInst::Xor.

getDecodedThreadLocalMode()

static GlobalVariable::ThreadLocalMode getDecodedThreadLocalMode ( unsigned  Val )

static

Definition at line 1018 of file BitcodeReader.cpp.

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

getDecodedUnaryOpcode()

static int getDecodedUnaryOpcode ( unsigned  Val, Type *  Ty  )

static

Definition at line 1057 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 1029 of file BitcodeReader.cpp.

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

getDecodedVisibility()

static GlobalValue::VisibilityTypes getDecodedVisibility ( unsigned  Val )

static

Definition at line 991 of file BitcodeReader.cpp.

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

getEnableSplitLTOUnitFlag()

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

static

Definition at line 6522 of file BitcodeReader.cpp.

getRawAttributeMask()

static uint64_t getRawAttributeMask ( Attribute::AttrKind  Val )

static

Definition at line 1215 of file BitcodeReader.cpp.

References llvm::CallingConv::Cold, llvm::MCID::Convergent, llvm::Attribute::EndAttrKinds, llvm::ISD::JumpTable, llvm_unreachable, llvm::NoAlias, and llvm::Attribute::None.

Referenced by addRawAttributeValue().

getSingleModule()

static Expected<BitcodeModule> getSingleModule ( MemoryBufferRef  Buffer )

static

Definition at line 6622 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 902 of file BitcodeReader.cpp.

hasInvalidBitcodeHeader()

static Error hasInvalidBitcodeHeader ( BitstreamCursor &  Stream )

static

Definition at line 108 of file BitcodeReader.cpp.

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

hasObjCCategory()

static Expected<bool> hasObjCCategory ( BitstreamCursor &  Stream )

static

Definition at line 305 of file BitcodeReader.cpp.

Referenced by llvm::isBitcodeContainingObjCCategory().

hasObjCCategoryInModule()

static Expected<bool> hasObjCCategoryInModule ( BitstreamCursor &  Stream )

static

Definition at line 258 of file BitcodeReader.cpp.

inferDSOLocal()

static void inferDSOLocal ( GlobalValue *  GV )

static

Definition at line 3079 of file BitcodeReader.cpp.

References error(), getDecodedLinkage(), llvm::GlobalValue::hasDefaultVisibility(), llvm::GlobalValue::hasExternalWeakLinkage(), llvm::GlobalValue::hasLocalLinkage(), isConstant(), llvm::Type::isPointerTy(), Name, llvm::GlobalValue::setDSOLocal(), and llvm::ArrayRef< T >::size().

initStream()

static Expected<BitstreamCursor> initStream ( MemoryBufferRef  Buffer )

static

Definition at line 129 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 2037 of file BitcodeReader.cpp.

References llvm::BitstreamCursor::advance(), assert(), llvm::bitc::BlockIDWidth, F(), llvm::Expected< T >::get(), llvm::BitstreamCursor::getAbbrevIDWidth(), llvm::SimpleBitstreamCursor::GetCurrentBitNo(), llvm::SimpleBitstreamCursor::JumpToBit(), llvm::BitstreamEntry::SubBlock, 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 5691 of file BitcodeReader.cpp.

References llvm::TypeTestResolution::AlignLog2, llvm::TypeTestResolution::BitMask, Callee, llvm::StringRef::data(), llvm::ModuleSummaryIndex::getOrInsertTypeIdCompatibleVtableSummary(), llvm::ModuleSummaryIndex::getOrInsertTypeIdSummary(), llvm::TypeTestResolution::InlineBits, parseWholeProgramDevirtResolution(), llvm::ArrayRef< T >::size(), 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 5675 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 5661 of file BitcodeReader.cpp.

References B, llvm::ArrayRef< T >::begin(), llvm::WholeProgramDevirtResolution::ByArg::Bit, llvm::WholeProgramDevirtResolution::ByArg::Byte, llvm::WholeProgramDevirtResolution::ByArg::Info, llvm::WholeProgramDevirtResolution::ResByArg, and llvm::WholeProgramDevirtResolution::ByArg::TheKind.

Referenced by parseWholeProgramDevirtResolution().

readBlobInRecord()

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

static

Definition at line 6274 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 173 of file BitcodeReader.cpp.

readIdentificationCode()

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

static

Definition at line 223 of file BitcodeReader.cpp.

References llvm::SimpleBitstreamCursor::AtEndOfStream().

Referenced by llvm::getBitcodeProducerString().

readModuleTriple()

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

static

Definition at line 339 of file BitcodeReader.cpp.

Referenced by readTriple().

readTriple()

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

static

Definition at line 384 of file BitcodeReader.cpp.

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

Referenced by llvm::getBitcodeTargetTriple().

readWideAPInt()

static APInt readWideAPInt ( ArrayRef< uint64_t >  Vals, unsigned  TypeBits  )

static

Definition at line 2315 of file BitcodeReader.cpp.

References llvm::ArrayRef< T >::begin(), llvm::ArrayRef< T >::size(), and llvm::transform().

setSpecialRefs()

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

static

Definition at line 5731 of file BitcodeReader.cpp.

References assert().

stripTBAA()

static void stripTBAA ( Module *  M )

static

Definition at line 162 of file BitcodeReader.cpp.

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

upgradeDLLImportExportLinkage()

static void upgradeDLLImportExportLinkage ( GlobalValue *  GV, unsigned  Val  )

static

Definition at line 1178 of file BitcodeReader.cpp.

References llvm::StructType::create(), llvm::GlobalValue::DLLExportStorageClass, llvm::GlobalValue::DLLImportStorageClass, Name, llvm::MipsISD::Ret, and llvm::GlobalValue::setDLLStorageClass().

Variable Documentation

ErrorCategory

ManagedStatic<BitcodeErrorCategoryType> ErrorCategory

static

Definition at line 6268 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