BitcodeReader.cpp File Reference

#include "llvm/Bitcode/ReaderWriter.h"
#include "BitcodeReader.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
#include "llvm/IR/AutoUpgrade.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OperandTraits.h"
#include "llvm/IR/Operator.h"
#include "llvm/Support/DataStream.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"

Include dependency graph for BitcodeReader.cpp:

Go to the source code of this file.

Classes
struct	llvm::OperandTraits< ConstantPlaceHolder >
Namespaces
namespace	llvm
	List of target independent CodeGen pass IDs.
Enumerations
enum	{ SWITCH_INST_MAGIC = 0x4B5 }
Functions
template<typename StrTy >
static bool	ConvertToString (ArrayRef< uint64_t > Record, unsigned Idx, StrTy &Result)
static GlobalValue::LinkageTypes	GetDecodedLinkage (unsigned Val)
static GlobalValue::VisibilityTypes	GetDecodedVisibility (unsigned Val)
static GlobalValue::DLLStorageClassTypes	GetDecodedDLLStorageClass (unsigned Val)
static GlobalVariable::ThreadLocalMode	GetDecodedThreadLocalMode (unsigned Val)
static int	GetDecodedCastOpcode (unsigned Val)
static int	GetDecodedBinaryOpcode (unsigned Val, Type *Ty)
static AtomicRMWInst::BinOp	GetDecodedRMWOperation (unsigned Val)
static AtomicOrdering	GetDecodedOrdering (unsigned Val)
static SynchronizationScope	GetDecodedSynchScope (unsigned Val)
static Comdat::SelectionKind	getDecodedComdatSelectionKind (unsigned Val)
static void	UpgradeDLLImportExportLinkage (llvm::GlobalValue *GV, unsigned 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. This function must stay in sync with 'encodeLLVMAttributesForBitcode'.
static Attribute::AttrKind	GetAttrFromCode (uint64_t Code)
static APInt	ReadWideAPInt (ArrayRef< uint64_t > Vals, unsigned TypeBits)
static ErrorOr< Module * >	getLazyBitcodeModuleImpl (std::unique_ptr< MemoryBuffer > &&Buffer, LLVMContext &Context, bool WillMaterializeAll)
	Get a lazy one-at-time loading module from bitcode.

---

Enumeration Type Documentation

anonymous enum

Enumerator:

SWITCH_INST_MAGIC

Definition at line 30 of file BitcodeReader.cpp.

---

Function Documentation

template<typename StrTy >

static bool ConvertToString	(	ArrayRef< uint64_t >	Record,
		unsigned	Idx,
		StrTy &	Result
	)		[static]

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

Definition at line 91 of file BitcodeReader.cpp.

References llvm::ArrayRef< T >::size().

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 499 of file BitcodeReader.cpp.

References llvm::AttrBuilder::addAlignmentAttr(), llvm::AttrBuilder::addRawValue(), and llvm::isPowerOf2_32().

static Attribute::AttrKind GetAttrFromCode

(

uint64_t

Code

)

[static]

Definition at line 574 of file BitcodeReader.cpp.

References llvm::Attribute::Alignment, llvm::Attribute::AlwaysInline, llvm::bitc::ATTR_KIND_ALIGNMENT, llvm::bitc::ATTR_KIND_ALWAYS_INLINE, llvm::bitc::ATTR_KIND_BUILTIN, llvm::bitc::ATTR_KIND_BY_VAL, llvm::bitc::ATTR_KIND_COLD, llvm::bitc::ATTR_KIND_DEREFERENCEABLE, llvm::bitc::ATTR_KIND_IN_ALLOCA, llvm::bitc::ATTR_KIND_IN_REG, 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_RED_ZONE, llvm::bitc::ATTR_KIND_NO_RETURN, llvm::bitc::ATTR_KIND_NO_UNWIND, llvm::bitc::ATTR_KIND_NON_LAZY_BIND, llvm::bitc::ATTR_KIND_NON_NULL, 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_SANITIZE_ADDRESS, llvm::bitc::ATTR_KIND_SANITIZE_MEMORY, llvm::bitc::ATTR_KIND_SANITIZE_THREAD, 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_STRUCT_RET, llvm::bitc::ATTR_KIND_UW_TABLE, llvm::bitc::ATTR_KIND_Z_EXT, llvm::Attribute::Builtin, llvm::Attribute::ByVal, llvm::Attribute::Cold, llvm::Attribute::Dereferenceable, llvm::Attribute::InAlloca, llvm::Attribute::InlineHint, llvm::Attribute::InReg, llvm::Attribute::JumpTable, llvm::Attribute::MinSize, llvm::Attribute::Naked, llvm::Attribute::Nest, llvm::Attribute::NoAlias, llvm::Attribute::NoBuiltin, llvm::Attribute::NoCapture, llvm::Attribute::NoDuplicate, llvm::Attribute::NoImplicitFloat, llvm::Attribute::NoInline, llvm::Attribute::None, llvm::Attribute::NonLazyBind, llvm::Attribute::NonNull, llvm::Attribute::NoRedZone, llvm::Attribute::NoReturn, llvm::Attribute::NoUnwind, llvm::Attribute::OptimizeForSize, llvm::Attribute::OptimizeNone, llvm::Attribute::ReadNone, llvm::Attribute::ReadOnly, llvm::Attribute::Returned, llvm::Attribute::ReturnsTwice, llvm::Attribute::SanitizeAddress, llvm::Attribute::SanitizeMemory, llvm::Attribute::SanitizeThread, llvm::Attribute::SExt, llvm::Attribute::StackAlignment, llvm::Attribute::StackProtect, llvm::Attribute::StackProtectReq, llvm::Attribute::StackProtectStrong, llvm::Attribute::StructRet, llvm::Attribute::UWTable, and llvm::Attribute::ZExt.

static int GetDecodedBinaryOpcode	(	unsigned	Val,
		Type *	Ty
	)		[static]

Definition at line 172 of file BitcodeReader.cpp.

References llvm::APIntOps::And(), 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::LShr, llvm::APIntOps::Or(), and llvm::APIntOps::Xor().

static int GetDecodedCastOpcode

(

unsigned

Val

)

[static]

Definition at line 154 of file BitcodeReader.cpp.

References llvm::AddrSpaceCast, 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, llvm::bitc::CAST_ZEXT, llvm::FPExt, llvm::FPToSI, llvm::IntToPtr, llvm::SExt, llvm::SIToFP, and llvm::Trunc.

static Comdat::SelectionKind getDecodedComdatSelectionKind

(

unsigned

Val

)

[static]

Definition at line 234 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.

static GlobalValue::DLLStorageClassTypes GetDecodedDLLStorageClass

(

unsigned

Val

)

[static]

Definition at line 134 of file BitcodeReader.cpp.

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

static GlobalValue::LinkageTypes GetDecodedLinkage

(

unsigned

Val

)

[static]

Definition at line 101 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.

static AtomicOrdering GetDecodedOrdering

(

unsigned

Val

)

[static]

Definition at line 213 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.

static AtomicRMWInst::BinOp GetDecodedRMWOperation

(

unsigned

Val

)

[static]

Definition at line 196 of file BitcodeReader.cpp.

References llvm::AtomicRMWInst::Add, llvm::AtomicRMWInst::And, llvm::AtomicRMWInst::BAD_BINOP, llvm::AtomicRMWInst::Max, llvm::AtomicRMWInst::Min, llvm::AtomicRMWInst::Nand, llvm::AtomicRMWInst::Or, llvm::bitc::RMW_ADD, llvm::bitc::RMW_AND, 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.

static SynchronizationScope GetDecodedSynchScope

(

unsigned

Val

)

[static]

Definition at line 226 of file BitcodeReader.cpp.

References llvm::CrossThread, llvm::SingleThread, llvm::bitc::SYNCHSCOPE_CROSSTHREAD, and llvm::bitc::SYNCHSCOPE_SINGLETHREAD.

static GlobalVariable::ThreadLocalMode GetDecodedThreadLocalMode

(

unsigned

Val

)

[static]

Definition at line 143 of file BitcodeReader.cpp.

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

static GlobalValue::VisibilityTypes GetDecodedVisibility

(

unsigned

Val

)

[static]

Definition at line 124 of file BitcodeReader.cpp.

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

static ErrorOr<Module *> getLazyBitcodeModuleImpl	(	std::unique_ptr< MemoryBuffer > &&	Buffer,
		LLVMContext &	Context,
		bool	WillMaterializeAll
	)		[static]

Get a lazy one-at-time loading module from bitcode.

This isn't always used in a lazy context. In particular, it's also used by parseBitcodeFile(). If this is truly lazy, then we need to eagerly pull in forward-referenced functions from block address references.

Parameters:

[in]

WillMaterializeAll

Set to true if the caller promises to materialize everything -- in particular, if this isn't truly lazy.

Definition at line 3523 of file BitcodeReader.cpp.

References llvm::Module::setMaterializer().

Referenced by llvm::getLazyBitcodeModule(), and llvm::parseBitcodeFile().

static APInt ReadWideAPInt	(	ArrayRef< uint64_t >	Vals,
		unsigned	TypeBits
	)		[static]

Definition at line 1200 of file BitcodeReader.cpp.

References llvm::ArrayRef< T >::begin(), llvm::BitcodeReader::decodeSignRotatedValue(), llvm::ArrayRef< T >::end(), and llvm::ArrayRef< T >::size().

static void UpgradeDLLImportExportLinkage	(	llvm::GlobalValue *	GV,
		unsigned	Val
	)		[static]

Definition at line 250 of file BitcodeReader.cpp.

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