#include "llvm/CodeGen/AsmPrinter.h"
#include "CodeViewDebug.h"
#include "DwarfDebug.h"
#include "DwarfException.h"
#include "PseudoProbePrinter.h"
#include "WasmException.h"
#include "WinCFGuard.h"
#include "WinException.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/TinyPtrVector.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/CodeGen/GCMetadata.h"
#include "llvm/CodeGen/GCMetadataPrinter.h"
#include "llvm/CodeGen/LazyMachineBlockFrequencyInfo.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBundle.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Config/config.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Comdat.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/EHPersonalities.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GCStrategy.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/Instruction.h"
#include "llvm/IR/Mangler.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/PseudoProbe.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCSectionXCOFF.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolELF.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/MC/MCValue.h"
#include "llvm/MC/SectionKind.h"
#include "llvm/Object/ELFTypes.h"
#include "llvm/Pass.h"
#include "llvm/Remarks/RemarkStreamer.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/VCSRevision.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/TargetParser/Triple.h"
#include <algorithm>
#include <cassert>
#include <cinttypes>
#include <cstdint>
#include <iterator>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

Classes
class	llvm::AddrLabelMap

Macros
#define	DEBUG_TYPE "asm-printer"

Enumerations
enum class	PGOMapFeaturesEnum { FuncEntryCount , BBFreq , BrProb }

Functions
	STATISTIC (EmittedInsts, "Number of machine instrs printed")

static bool	canBeHidden (const GlobalValue *GV, const MCAsmInfo &MAI)

static void	emitComments (const MachineInstr &MI, raw_ostream &CommentOS)
	emitComments - Pretty-print comments for instructions.

static void	emitKill (const MachineInstr *MI, AsmPrinter &AP)

static bool	emitDebugValueComment (const MachineInstr *MI, AsmPrinter &AP)
	emitDebugValueComment - This method handles the target-independent form of DBG_VALUE, returning true if it was able to do so.

static bool	emitDebugLabelComment (const MachineInstr *MI, AsmPrinter &AP)
	This method handles the target-independent form of DBG_LABEL, returning true if it was able to do so.

static uint32_t	getBBAddrMapMetadata (const MachineBasicBlock &MBB)
	Returns the BB metadata to be emitted in the SHT_LLVM_BB_ADDR_MAP section for a given basic block.

static llvm::object::BBAddrMap::Features	getBBAddrMapFeature (const MachineFunction &MF, int NumMBBSectionRanges)

static bool	needFuncLabels (const MachineFunction &MF)
	Returns true if function begin and end labels should be emitted.

static unsigned	getNumGlobalVariableUses (const Constant *C)
	Compute the number of Global Variables that uses a Constant.

static bool	isGOTEquivalentCandidate (const GlobalVariable *GV, unsigned &NumGOTEquivUsers)
	Only consider global GOT equivalents if at least one user is a cstexpr inside an initializer of another global variables.

static void	emitGlobalConstantImpl (const DataLayout &DL, const Constant C, AsmPrinter &AP, const Constant BaseCV=nullptr, uint64_t Offset=0, AsmPrinter::AliasMapTy *AliasList=nullptr)

static void	emitGlobalConstantFP (const ConstantFP *CFP, AsmPrinter &AP)

static void	emitGlobalConstantFP (APFloat APF, Type *ET, AsmPrinter &AP)

static int	isRepeatedByteSequence (const ConstantDataSequential *V)
	isRepeatedByteSequence - Determine whether the given value is composed of a repeated sequence of identical bytes and return the byte value.

static int	isRepeatedByteSequence (const Value *V, const DataLayout &DL)
	isRepeatedByteSequence - Determine whether the given value is composed of a repeated sequence of identical bytes and return the byte value.

static void	emitGlobalAliasInline (AsmPrinter &AP, uint64_t Offset, AsmPrinter::AliasMapTy *AliasList)

static void	emitGlobalConstantDataSequential (const DataLayout &DL, const ConstantDataSequential CDS, AsmPrinter &AP, AsmPrinter::AliasMapTy AliasList)

static void	emitGlobalConstantArray (const DataLayout &DL, const ConstantArray CA, AsmPrinter &AP, const Constant BaseCV, uint64_t Offset, AsmPrinter::AliasMapTy *AliasList)

static void	emitGlobalConstantLargeInt (const ConstantInt *CI, AsmPrinter &AP)

static void	emitGlobalConstantVector (const DataLayout &DL, const ConstantVector CV, AsmPrinter &AP, AsmPrinter::AliasMapTy AliasList)

static void	emitGlobalConstantStruct (const DataLayout &DL, const ConstantStruct CS, AsmPrinter &AP, const Constant BaseCV, uint64_t Offset, AsmPrinter::AliasMapTy *AliasList)

static void	handleIndirectSymViaGOTPCRel (AsmPrinter &AP, const MCExpr *ME, const Constant BaseCst, uint64_t Offset)
	Transform a not absolute MCExpr containing a reference to a GOT equivalent global, by a target specific GOT pc relative access to the final symbol.

static void	PrintParentLoopComment (raw_ostream &OS, const MachineLoop *Loop, unsigned FunctionNumber)
	PrintParentLoopComment - Print comments about parent loops of this one.

static void	PrintChildLoopComment (raw_ostream &OS, const MachineLoop *Loop, unsigned FunctionNumber)
	PrintChildLoopComment - Print comments about child loops within the loop for this basic block, with nesting.

static void	emitBasicBlockLoopComments (const MachineBasicBlock &MBB, const MachineLoopInfo *LI, const AsmPrinter &AP)
	emitBasicBlockLoopComments - Pretty-print comments for basic blocks.

Variables
static cl::bits< PGOMapFeaturesEnum >	PgoAnalysisMapFeatures ("pgo-analysis-map", cl::Hidden, cl::CommaSeparated, cl::values(clEnumValN(PGOMapFeaturesEnum::FuncEntryCount, "func-entry-count", "Function Entry Count"), clEnumValN(PGOMapFeaturesEnum::BBFreq, "bb-freq", "Basic Block Frequency"), clEnumValN(PGOMapFeaturesEnum::BrProb, "br-prob", "Branch Probability")), cl::desc("Enable extended information within the SHT_LLVM_BB_ADDR_MAP that is " "extracted from PGO related analysis."))

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "asm-printer"

Definition at line 135 of file AsmPrinter.cpp.

Enumeration Type Documentation

◆ PGOMapFeaturesEnum

enum class PGOMapFeaturesEnum

strong

Enumerator
FuncEntryCount
BBFreq
BrProb

Definition at line 141 of file AsmPrinter.cpp.

Function Documentation

◆ canBeHidden()

static bool canBeHidden	(	const GlobalValue *	GV,
		const MCAsmInfo &	MAI
	)

static

Definition at line 624 of file AsmPrinter.cpp.

References llvm::GlobalValue::canBeOmittedFromSymbolTable(), and llvm::MCAsmInfo::hasWeakDefCanBeHiddenDirective().

Referenced by llvm::AsmPrinter::emitLinkage().

◆ emitBasicBlockLoopComments()

static void emitBasicBlockLoopComments	(	const MachineBasicBlock &	MBB,
		const MachineLoopInfo *	LI,
		const AsmPrinter &	AP
	)

static

emitBasicBlockLoopComments - Pretty-print comments for basic blocks.

Definition at line 3908 of file AsmPrinter.cpp.

References assert(), llvm::AsmPrinter::getFunctionNumber(), llvm::LoopBase< BlockT, LoopT >::getHeader(), llvm::LoopBase< BlockT, LoopT >::getLoopDepth(), llvm::LoopInfoBase< BlockT, LoopT >::getLoopFor(), llvm::LoopBase< BlockT, LoopT >::getParentLoop(), llvm::raw_ostream::indent(), llvm::LoopBase< BlockT, LoopT >::isInnermost(), MBB, OS, llvm::AsmPrinter::OutStreamer, PrintChildLoopComment(), and PrintParentLoopComment().

Referenced by llvm::AsmPrinter::emitBasicBlockStart().

◆ emitComments()

static void emitComments	(	const MachineInstr &	MI,
		raw_ostream &	CommentOS
	)

static

emitComments - Pretty-print comments for instructions.

Definition at line 1078 of file AsmPrinter.cpp.

References llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFunction::getSubtarget(), MI, llvm::MachineInstr::ReloadReuse, Size, and TII.

Referenced by llvm::AsmPrinter::emitFunctionBody().

◆ emitDebugLabelComment()

static bool emitDebugLabelComment	(	const MachineInstr *	MI,
		AsmPrinter &	AP
	)

static

This method handles the target-independent form of DBG_LABEL, returning true if it was able to do so.

A false return means the target will need to handle MI in EmitInstruction.

Definition at line 1245 of file AsmPrinter.cpp.

References MI, Name, OS, and llvm::AsmPrinter::OutStreamer.

Referenced by llvm::AsmPrinter::emitFunctionBody().

◆ emitDebugValueComment()

static bool emitDebugValueComment	(	const MachineInstr *	MI,
		AsmPrinter &	AP
	)

static

emitDebugValueComment - This method handles the target-independent form of DBG_VALUE, returning true if it was able to do so.

A false return means the target will need to handle MI in EmitInstruction.

Definition at line 1138 of file AsmPrinter.cpp.

References llvm::APFloat::convert(), llvm::APFloat::convertToDouble(), llvm::DIExpression::convertToNonVariadicExpression(), llvm::DIExpression::expr_ops(), llvm::StackOffset::getFixed(), llvm::TargetFrameLowering::getFrameIndexReference(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::DIExpression::getNumElements(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), I, llvm::APFloatBase::IEEEdouble(), ignored(), llvm::Type::isBFloatTy(), llvm::Type::isDoubleTy(), llvm::Type::isFloatTy(), llvm::Type::isHalfTy(), llvm_unreachable, llvm::AsmPrinter::MF, MI, llvm::MachineOperand::MO_CImmediate, llvm::MachineOperand::MO_FPImmediate, llvm::MachineOperand::MO_FrameIndex, llvm::MachineOperand::MO_Immediate, llvm::MachineOperand::MO_Register, llvm::MachineOperand::MO_TargetIndex, Name, llvm::Offset, llvm::dwarf::OperationEncodingString(), OS, llvm::AsmPrinter::OutStreamer, llvm::DWARFExpression::Operation::print(), llvm::printReg(), and llvm::APFloatBase::rmNearestTiesToEven.

Referenced by llvm::AsmPrinter::emitFunctionBody().

◆ emitGlobalAliasInline()

static void emitGlobalAliasInline	(	AsmPrinter &	AP,
		uint64_t	Offset,
		AsmPrinter::AliasMapTy *	AliasList
	)

static

Definition at line 3350 of file AsmPrinter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::erase(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), llvm::AsmPrinter::getSymbol(), llvm::Offset, and llvm::AsmPrinter::OutStreamer.

Referenced by emitGlobalConstantDataSequential(), emitGlobalConstantImpl(), and emitGlobalConstantVector().

◆ emitGlobalConstantArray()

static void emitGlobalConstantArray	(	const DataLayout &	DL,
		const ConstantArray *	CA,
		AsmPrinter &	AP,
		const Constant *	BaseCV,
		uint64_t	Offset,
		AsmPrinter::AliasMapTy *	AliasList
	)

static

Definition at line 3405 of file AsmPrinter.cpp.

References DL, emitGlobalConstantImpl(), llvm::User::getNumOperands(), llvm::User::getOperand(), llvm::ConstantArray::getType(), llvm::Value::getType(), I, isRepeatedByteSequence(), llvm::Offset, and llvm::AsmPrinter::OutStreamer.

Referenced by emitGlobalConstantImpl().

◆ emitGlobalConstantDataSequential()

static void emitGlobalConstantDataSequential	(	const DataLayout &	DL,
		const ConstantDataSequential *	CDS,
		AsmPrinter &	AP,
		AsmPrinter::AliasMapTy *	AliasList
	)

static

◆ emitGlobalConstantFP() [1/2]

static void emitGlobalConstantFP	(	APFloat	APF,
		Type *	ET,
		AsmPrinter &	AP
	)

static

Definition at line 3496 of file AsmPrinter.cpp.

References assert(), llvm::APFloat::bitcastToAPInt(), DL, llvm::APInt::getBitWidth(), llvm::AsmPrinter::getDataLayout(), llvm::APInt::getNumWords(), llvm::APInt::getRawData(), llvm::DataLayout::isBigEndian(), llvm::Type::isPPC_FP128Ty(), llvm::AsmPrinter::isVerbose(), llvm::AsmPrinter::OutStreamer, llvm::Type::print(), and llvm::APFloat::toString().

◆ emitGlobalConstantFP() [2/2]

static void emitGlobalConstantFP	(	const ConstantFP *	CFP,
		AsmPrinter &	AP
	)

static

Definition at line 3540 of file AsmPrinter.cpp.

References emitGlobalConstantFP(), llvm::Value::getType(), and llvm::ConstantFP::getValueAPF().

Referenced by emitGlobalConstantDataSequential(), emitGlobalConstantFP(), and emitGlobalConstantImpl().

◆ emitGlobalConstantImpl()

static void emitGlobalConstantImpl	(	const DataLayout &	DL,
		const Constant *	C,
		AsmPrinter &	AP,
		const Constant *	BaseCV = `nullptr`,
		uint64_t	Offset = `0`,
		AsmPrinter::AliasMapTy *	AliasList = `nullptr`
	)

static

◆ emitGlobalConstantLargeInt()

static void emitGlobalConstantLargeInt	(	const ConstantInt *	CI,
		AsmPrinter &	AP
	)

static

Definition at line 3544 of file AsmPrinter.cpp.

References llvm::alignTo(), assert(), llvm::BitWidth, DL, llvm::ConstantInt::getBitWidth(), llvm::AsmPrinter::getDataLayout(), llvm::APInt::getRawData(), llvm::Value::getType(), llvm::DataLayout::getTypeStoreSize(), llvm::ConstantInt::getValue(), llvm::APInt::lshrInPlace(), llvm::AsmPrinter::OutStreamer, and Size.

Referenced by emitGlobalConstantImpl(), and emitGlobalConstantVector().

◆ emitGlobalConstantStruct()

static void emitGlobalConstantStruct	(	const DataLayout &	DL,
		const ConstantStruct *	CS,
		AsmPrinter &	AP,
		const Constant *	BaseCV,
		uint64_t	Offset,
		AsmPrinter::AliasMapTy *	AliasList
	)

static

Definition at line 3465 of file AsmPrinter.cpp.

References assert(), DL, emitGlobalConstantImpl(), llvm::StructLayout::getElementOffset(), llvm::User::getNumOperands(), llvm::User::getOperand(), llvm::StructLayout::getSizeInBytes(), llvm::ConstantStruct::getType(), I, llvm::Offset, llvm::AsmPrinter::OutStreamer, and Size.

Referenced by emitGlobalConstantImpl().

◆ emitGlobalConstantVector()

static void emitGlobalConstantVector	(	const DataLayout &	DL,
		const ConstantVector *	CV,
		AsmPrinter &	AP,
		AsmPrinter::AliasMapTy *	AliasList
	)

static

Definition at line 3427 of file AsmPrinter.cpp.

References llvm::ConstantFoldConstant(), DL, emitGlobalAliasInline(), emitGlobalConstantImpl(), emitGlobalConstantLargeInt(), llvm::IntegerType::get(), llvm::ConstantExpr::getBitCast(), llvm::Value::getContext(), llvm::VectorType::getElementType(), llvm::FixedVectorType::getNumElements(), llvm::User::getOperand(), llvm::ConstantVector::getType(), I, llvm::AsmPrinter::OutStreamer, llvm::report_fatal_error(), and Size.

Referenced by emitGlobalConstantImpl().

◆ emitKill()

static void emitKill	(	const MachineInstr *	MI,
		AsmPrinter &	AP
	)

static

Definition at line 1122 of file AsmPrinter.cpp.

References assert(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), llvm::AsmPrinter::MF, MI, OS, llvm::AsmPrinter::OutStreamer, and llvm::printReg().

Referenced by llvm::AsmPrinter::emitFunctionBody().

◆ getBBAddrMapFeature()

static llvm::object::BBAddrMap::Features getBBAddrMapFeature	(	const MachineFunction &	MF,
		int	NumMBBSectionRanges
	)

static

Definition at line 1349 of file AsmPrinter.cpp.

References llvm::MachineFunction::hasBBSections(), and PgoAnalysisMapFeatures.

Referenced by llvm::AsmPrinter::emitBBAddrMapSection().

◆ getBBAddrMapMetadata()

static uint32_t getBBAddrMapMetadata ( const MachineBasicBlock & MBB )

static

Returns the BB metadata to be emitted in the SHT_LLVM_BB_ADDR_MAP section for a given basic block.

This can be used to capture more precise profile information.

Definition at line 1339 of file AsmPrinter.cpp.

References llvm::MachineBasicBlock::back(), llvm::MachineBasicBlock::empty(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getSubtarget(), llvm::MachineBasicBlock::isEHPad(), llvm::MachineBasicBlock::isReturnBlock(), llvm::HexagonInstrInfo::isTailCall(), MBB, llvm::MachineBasicBlock::rbegin(), and TII.

Referenced by llvm::AsmPrinter::emitBBAddrMapSection().

◆ getNumGlobalVariableUses()

static unsigned getNumGlobalVariableUses ( const Constant * C )

static

Compute the number of Global Variables that uses a Constant.

Definition at line 2020 of file AsmPrinter.cpp.

References llvm::CallingConv::C, and getNumGlobalVariableUses().

Referenced by getNumGlobalVariableUses(), and isGOTEquivalentCandidate().

◆ handleIndirectSymViaGOTPCRel()

static void handleIndirectSymViaGOTPCRel	(	AsmPrinter &	AP,
		const MCExpr **	ME,
		const Constant *	BaseCst,
		uint64_t	Offset
	)

static

Transform a not absolute MCExpr containing a reference to a GOT equivalent global, by a target specific GOT pc relative access to the final symbol.

Definition at line 3605 of file AsmPrinter.cpp.

References llvm::MCValue::getConstant(), llvm::TargetLoweringObjectFile::getIndirectSymViaGOTPCRel(), llvm::AsmPrinter::getObjFileLowering(), llvm::User::getOperand(), llvm::MCValue::getSymA(), llvm::MCValue::getSymB(), llvm::MCSymbolRefExpr::getSymbol(), llvm::AsmPrinter::getSymbol(), llvm::AsmPrinter::GlobalGOTEquivs, llvm::MCValue::isAbsolute(), llvm::AsmPrinter::MMI, llvm::Offset, llvm::AsmPrinter::OutStreamer, and llvm::TargetLoweringObjectFile::supportGOTPCRelWithOffset().

Referenced by emitGlobalConstantImpl().

◆ isGOTEquivalentCandidate()

static bool isGOTEquivalentCandidate	(	const GlobalVariable *	GV,
		unsigned &	NumGOTEquivUsers
	)

static

Only consider global GOT equivalents if at least one user is a cstexpr inside an initializer of another global variables.

Also, don't handle cstexpr inside instructions. During global variable emission, candidates are skipped and are emitted later in case at least one cstexpr isn't replaced by a PC relative GOT entry access.

Definition at line 2039 of file AsmPrinter.cpp.

References getNumGlobalVariableUses(), llvm::User::getOperand(), llvm::GlobalValue::hasGlobalUnnamedAddr(), llvm::GlobalVariable::hasInitializer(), llvm::GlobalVariable::isConstant(), llvm::GlobalValue::isDiscardableIfUnused(), and llvm::Value::users().

Referenced by llvm::AsmPrinter::computeGlobalGOTEquivs().

◆ isRepeatedByteSequence() [1/2]

static int isRepeatedByteSequence ( const ConstantDataSequential * V )

static

isRepeatedByteSequence - Determine whether the given value is composed of a repeated sequence of identical bytes and return the byte value.

If it is not a repeated sequence, return -1.

Definition at line 3304 of file AsmPrinter.cpp.

References assert(), llvm::CallingConv::C, and llvm::Data.

Referenced by emitGlobalConstantArray(), emitGlobalConstantDataSequential(), and isRepeatedByteSequence().

◆ isRepeatedByteSequence() [2/2]

static int isRepeatedByteSequence	(	const Value *	V,
		const DataLayout &	DL
	)

static

isRepeatedByteSequence - Determine whether the given value is composed of a repeated sequence of identical bytes and return the byte value.

If it is not a repeated sequence, return -1.

Definition at line 3316 of file AsmPrinter.cpp.

References assert(), DL, llvm::User::getOperand(), isRepeatedByteSequence(), and Size.

◆ needFuncLabels()

static bool needFuncLabels ( const MachineFunction & MF )

static

Returns true if function begin and end labels should be emitted.

Definition at line 1672 of file AsmPrinter.cpp.

References llvm::classifyEHPersonality(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getLandingPads(), llvm::MachineFunction::getMMI(), llvm::Function::getPersonalityFn(), llvm::MachineModuleInfo::hasDebugInfo(), llvm::MachineFunction::hasEHFunclets(), llvm::GlobalObject::hasMetadata(), llvm::Function::hasPersonalityFn(), and llvm::isNoOpWithoutInvoke().

Referenced by llvm::AsmPrinter::emitFunctionBody(), and llvm::AsmPrinter::SetupMachineFunction().

◆ PrintChildLoopComment()

static void PrintChildLoopComment	(	raw_ostream &	OS,
		const MachineLoop *	Loop,
		unsigned	FunctionNumber
	)

static

PrintChildLoopComment - Print comments about child loops within the loop for this basic block, with nesting.

Definition at line 3895 of file AsmPrinter.cpp.

References llvm::raw_ostream::indent(), OS, and PrintChildLoopComment().

Referenced by emitBasicBlockLoopComments(), and PrintChildLoopComment().

◆ PrintParentLoopComment()

static void PrintParentLoopComment	(	raw_ostream &	OS,
		const MachineLoop *	Loop,
		unsigned	FunctionNumber
	)

static

PrintParentLoopComment - Print comments about parent loops of this one.

Definition at line 3883 of file AsmPrinter.cpp.

References llvm::LoopBase< BlockT, LoopT >::getHeader(), llvm::LoopBase< BlockT, LoopT >::getLoopDepth(), llvm::LoopBase< BlockT, LoopT >::getParentLoop(), llvm::raw_ostream::indent(), OS, and PrintParentLoopComment().

Referenced by emitBasicBlockLoopComments(), and PrintParentLoopComment().

◆ STATISTIC()

STATISTIC	(	EmittedInsts	,
		"Number of machine instrs printed"
	)

Variable Documentation

◆ PgoAnalysisMapFeatures

cl::bits< PGOMapFeaturesEnum > PgoAnalysisMapFeatures("pgo-analysis-map", cl::Hidden, cl::CommaSeparated, cl::values(clEnumValN(PGOMapFeaturesEnum::FuncEntryCount, "func-entry-count", "Function Entry Count"), clEnumValN(PGOMapFeaturesEnum::BBFreq, "bb-freq", "Basic Block Frequency"), clEnumValN(PGOMapFeaturesEnum::BrProb, "br-prob", "Branch Probability")), cl::desc( "Enable extended information within the SHT_LLVM_BB_ADDR_MAP that is " "extracted from PGO related analysis."))	(	"pgo-analysis-map"	,
		cl::Hidden	,
		cl::CommaSeparated	,
		cl::values(clEnumValN(PGOMapFeaturesEnum::FuncEntryCount, "func-entry-count", "Function Entry Count"), clEnumValN(PGOMapFeaturesEnum::BBFreq, "bb-freq", "Basic Block Frequency"), clEnumValN(PGOMapFeaturesEnum::BrProb, "br-prob", "Branch Probability"))	,
		cl::desc( "Enable extended information within the SHT_LLVM_BB_ADDR_MAP that is " "extracted from PGO related analysis.")
	)

static

Referenced by llvm::AsmPrinter::emitFunctionBody(), and getBBAddrMapFeature().

Classes

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ DEBUG_TYPE

Enumeration Type Documentation

◆ PGOMapFeaturesEnum

Function Documentation

◆ canBeHidden()

◆ emitBasicBlockLoopComments()

◆ emitComments()

◆ emitDebugLabelComment()

◆ emitDebugValueComment()

◆ emitGlobalAliasInline()

◆ emitGlobalConstantArray()

◆ emitGlobalConstantDataSequential()

◆ emitGlobalConstantFP() [1/2]

◆ emitGlobalConstantFP() [2/2]

◆ emitGlobalConstantImpl()

◆ emitGlobalConstantLargeInt()

◆ emitGlobalConstantStruct()

◆ emitGlobalConstantVector()

◆ emitKill()

◆ getBBAddrMapFeature()

◆ getBBAddrMapMetadata()

◆ getNumGlobalVariableUses()

◆ handleIndirectSymViaGOTPCRel()

◆ isGOTEquivalentCandidate()

◆ isRepeatedByteSequence() [1/2]

◆ isRepeatedByteSequence() [2/2]

◆ needFuncLabels()

◆ PrintChildLoopComment()

◆ PrintParentLoopComment()

◆ STATISTIC()

Variable Documentation

◆ PgoAnalysisMapFeatures