#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/MCSchedule.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/CommandLine.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 { None , FuncEntryCount , BBFreq , BrProb , All }

Functions
	STATISTIC (EmittedInsts, "Number of machine instrs printed")
static bool	canBeHidden (const GlobalValue *GV, const MCAsmInfo &MAI)
static void	emitComments (const MachineInstr &MI, const MCSubtargetInfo *STI, raw_ostream &CommentOS)
	emitComments - Pretty-print comments for instructions.
static void	emitKill (const MachineInstr *MI, AsmPrinter &AP)
static void	emitFakeUse (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, bool HasCalls)
static ConstantInt *	extractNumericCGTypeId (const Function &F)
	Extracts a generalized numeric type identifier of a Function's type from type metadata.
static bool	needFuncLabels (const MachineFunction &MF, const AsmPrinter &Asm)
	Returns true if function begin and end labels should be emitted.
static StringRef	getMIMnemonic (const MachineInstr &MI, MCStreamer &Streamer)
static unsigned	getNumGlobalVariableUses (const Constant *C, bool &HasNonGlobalUsers)
	Compute the number of Global Variables that uses a Constant.
static bool	isGOTEquivalentCandidate (const GlobalVariable *GV, unsigned &NumGOTEquivUsers, bool &HasNonGlobalUsers)
	Only consider global GOT equivalents if at least one user is a cstexpr inside an initializer of another global variables.
static uint64_t	globalSize (const llvm::GlobalVariable &G)
static bool	shouldTagGlobal (const llvm::GlobalVariable &G)
static void	tagGlobalDefinition (Module &M, GlobalVariable *G)
static void	removeMemtagFromGlobal (GlobalVariable &G)
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 Constant 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::None, "none", "Disable all options"), clEnumValN(PGOMapFeaturesEnum::FuncEntryCount, "func-entry-count", "Function Entry Count"), clEnumValN(PGOMapFeaturesEnum::BBFreq, "bb-freq", "Basic Block Frequency"), clEnumValN(PGOMapFeaturesEnum::BrProb, "br-prob", "Branch Probability"), clEnumValN(PGOMapFeaturesEnum::All, "all", "Enable all options")), cl::desc("Enable extended information within the SHT_LLVM_BB_ADDR_MAP that is " "extracted from PGO related analysis."))
static cl::opt< bool >	BBAddrMapSkipEmitBBEntries ("basic-block-address-map-skip-bb-entries", cl::desc("Skip emitting basic block entries in the SHT_LLVM_BB_ADDR_MAP " "section. It's used to save binary size when BB entries are " "unnecessary for some PGOAnalysisMap features."), cl::Hidden, cl::init(false))
static cl::opt< bool >	EmitJumpTableSizesSection ("emit-jump-table-sizes-section", cl::desc("Emit a section containing jump table addresses and sizes"), cl::Hidden, cl::init(false))
static cl::opt< bool >	PrintLatency ("asm-print-latency", cl::desc("Print instruction latencies as verbose asm comments"), cl::Hidden, cl::init(false))

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "asm-printer"

Definition at line 137 of file AsmPrinter.cpp.

Enumeration Type Documentation

◆ PGOMapFeaturesEnum

enum class PGOMapFeaturesEnum

strong

Enumerator
None
FuncEntryCount
BBFreq
BrProb
All

Definition at line 143 of file AsmPrinter.cpp.

Function Documentation

◆ canBeHidden()

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

static

Definition at line 654 of file AsmPrinter.cpp.

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

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

◆ emitBasicBlockLoopComments()

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

static

emitBasicBlockLoopComments - Pretty-print comments for basic blocks.

Definition at line 4405 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::BasicBlock::getNumber(), llvm::LoopBase< BlockT, LoopT >::getParentLoop(), llvm::raw_ostream::indent(), llvm::LoopBase< BlockT, LoopT >::isInnermost(), MBB, llvm::AsmPrinter::OutStreamer, PrintChildLoopComment(), and PrintParentLoopComment().

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

◆ emitComments()

void emitComments	(	const MachineInstr &	MI,
		const MCSubtargetInfo *	STI,
		raw_ostream &	CommentOS )

static

emitComments - Pretty-print comments for instructions.

Definition at line 1097 of file AsmPrinter.cpp.

References llvm::MCSchedModel::computeInstrLatency(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MCSubtargetInfo::getSchedModel(), llvm::MachineFunction::getSubtarget(), llvm::Latency, MI, PrintLatency, llvm::MachineInstr::ReloadReuse, Size, and TII.

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

◆ emitDebugLabelComment()

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 1291 of file AsmPrinter.cpp.

References llvm::dyn_cast(), MI, llvm::AsmPrinter::OutStreamer, and llvm::raw_svector_ostream::str().

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

◆ emitDebugValueComment()

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 1184 of file AsmPrinter.cpp.

References llvm::APFloat::convert(), llvm::APFloat::convertToDouble(), llvm::DIExpression::convertToNonVariadicExpression(), llvm::dyn_cast(), 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(), 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, llvm::Offset, llvm::dwarf::OperationEncodingString(), llvm::AsmPrinter::OutStreamer, llvm::printReg(), Reg, and llvm::APFloatBase::rmNearestTiesToEven.

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

◆ emitFakeUse()

void emitFakeUse	(	const MachineInstr *	MI,
		AsmPrinter &	AP )

static

Definition at line 1166 of file AsmPrinter.cpp.

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

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

◆ emitGlobalAliasInline()

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

static

Definition at line 3813 of file AsmPrinter.cpp.

References llvm::AsmPrinter::getSymbol(), llvm::Offset, and llvm::AsmPrinter::OutStreamer.

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

◆ emitGlobalConstantArray()

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

static

Definition at line 3868 of file AsmPrinter.cpp.

References DL, E(), 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()

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

static

◆ emitGlobalConstantFP() [1/2]

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

static

Definition at line 3959 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]

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

static

Definition at line 4003 of file AsmPrinter.cpp.

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

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

◆ emitGlobalConstantImpl()

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

static

Definition at line 4150 of file AsmPrinter.cpp.

References assert(), llvm::ConstantFoldConstant(), DL, llvm::dyn_cast(), emitGlobalAliasInline(), emitGlobalConstantArray(), emitGlobalConstantDataSequential(), emitGlobalConstantFP(), emitGlobalConstantImpl(), emitGlobalConstantLargeInt(), emitGlobalConstantStruct(), emitGlobalConstantVector(), llvm::format(), llvm::StructLayout::getElementOffset(), llvm::StructType::getNumElements(), llvm::AsmPrinter::getObjFileLowering(), llvm::TargetMachine::getTargetTriple(), llvm::Value::getType(), handleIndirectSymViaGOTPCRel(), llvm::Value::hasOneUse(), llvm::isa(), llvm::Triple::isOSBinFormatXCOFF(), llvm::AsmPrinter::isVerbose(), llvm::AsmPrinter::lowerConstant(), llvm::Offset, llvm::AsmPrinter::OutStreamer, Size, llvm::TargetLoweringObjectFile::supportIndirectSymViaGOTPCRel(), llvm::AsmPrinter::TM, and llvm::Value::user_back().

Referenced by llvm::AsmPrinter::emitGlobalConstant(), emitGlobalConstantArray(), emitGlobalConstantImpl(), emitGlobalConstantStruct(), and emitGlobalConstantVector().

◆ emitGlobalConstantLargeInt()

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

static

Definition at line 4007 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()

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

static

Definition at line 3928 of file AsmPrinter.cpp.

References assert(), DL, E(), 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()

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

static

◆ emitKill()

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

static

Definition at line 1153 of file AsmPrinter.cpp.

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

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

◆ extractNumericCGTypeId()

ConstantInt * extractNumericCGTypeId ( const Function & F )

static

Extracts a generalized numeric type identifier of a Function's type from type metadata.

Returns null if metadata cannot be found.

Definition at line 1659 of file AsmPrinter.cpp.

References llvm::cast(), F, llvm::Type::getInt64Ty(), llvm::MDString::getString(), and llvm::sampleprof::MD5Hash().

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

◆ getBBAddrMapFeature()

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

static

Definition at line 1394 of file AsmPrinter.cpp.

References All, AllFeatures, BBAddrMapSkipEmitBBEntries, BBFreq, BrProb, llvm::LLVMContext::emitError(), FuncEntryCount, llvm::Function::getContext(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::hasBBSections(), HasCalls, None, PgoAnalysisMapFeatures, and llvm::popcount().

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

◆ getBBAddrMapMetadata()

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 1384 of file AsmPrinter.cpp.

References llvm::object::BBAddrMap::BBEntry::Metadata::encode(), MBB, and TII.

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

◆ getMIMnemonic()

StringRef getMIMnemonic	(	const MachineInstr &	MI,
		MCStreamer &	Streamer )

static

Definition at line 1857 of file AsmPrinter.cpp.

References assert(), llvm::MCStreamer::getMnemonic(), MI, llvm::MCInst::setOpcode(), and TII.

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

◆ getNumGlobalVariableUses()

unsigned getNumGlobalVariableUses	(	const Constant *	C,
		bool &	HasNonGlobalUsers )

static

Compute the number of Global Variables that uses a Constant.

Definition at line 2265 of file AsmPrinter.cpp.

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

Referenced by getNumGlobalVariableUses(), and isGOTEquivalentCandidate().

◆ globalSize()

uint64_t globalSize ( const llvm::GlobalVariable & G )

static

Definition at line 2542 of file AsmPrinter.cpp.

References G, and llvm::Value::getType().

Referenced by shouldTagGlobal(), and tagGlobalDefinition().

◆ handleIndirectSymViaGOTPCRel()

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 4068 of file AsmPrinter.cpp.

References llvm::dyn_cast(), llvm::dyn_cast_or_null(), llvm::MCValue::getAddSym(), llvm::MCValue::getConstant(), llvm::TargetLoweringObjectFile::getIndirectSymViaGOTPCRel(), llvm::AsmPrinter::getObjFileLowering(), llvm::User::getOperand(), llvm::MCValue::getSubSym(), 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()

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

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 2288 of file AsmPrinter.cpp.

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

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

◆ isRepeatedByteSequence() [1/2]

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 3767 of file AsmPrinter.cpp.

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

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

◆ isRepeatedByteSequence() [2/2]

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 3779 of file AsmPrinter.cpp.

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

◆ needFuncLabels()

bool needFuncLabels	(	const MachineFunction &	MF,
		const AsmPrinter &	Asm )

static

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

Definition at line 1841 of file AsmPrinter.cpp.

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

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

◆ PrintChildLoopComment()

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 4392 of file AsmPrinter.cpp.

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

Referenced by emitBasicBlockLoopComments(), and PrintChildLoopComment().

◆ PrintParentLoopComment()

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

static

PrintParentLoopComment - Print comments about parent loops of this one.

Definition at line 4380 of file AsmPrinter.cpp.

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

Referenced by emitBasicBlockLoopComments(), and PrintParentLoopComment().

◆ removeMemtagFromGlobal()

void removeMemtagFromGlobal ( GlobalVariable & G )

static

Definition at line 2614 of file AsmPrinter.cpp.

References G.

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

◆ shouldTagGlobal()

bool shouldTagGlobal ( const llvm::GlobalVariable & G )

static

Definition at line 2548 of file AsmPrinter.cpp.

References G, and globalSize().

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

◆ STATISTIC()

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

◆ tagGlobalDefinition()

void tagGlobalDefinition	(	Module &	M,
		GlobalVariable *	G )

static

Definition at line 2583 of file AsmPrinter.cpp.

References llvm::alignTo(), G, llvm::ConstantDataArray::get(), llvm::ConstantStruct::getAnon(), llvm::Value::getType(), globalSize(), and llvm::GlobalValue::None.

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

Variable Documentation

◆ BBAddrMapSkipEmitBBEntries

cl::opt< bool > BBAddrMapSkipEmitBBEntries("basic-block-address-map-skip-bb-entries", cl::desc("Skip emitting basic block entries in the SHT_LLVM_BB_ADDR_MAP " "section. It's used to save binary size when BB entries are " "unnecessary for some PGOAnalysisMap features."), cl::Hidden, cl::init(false))	(	"basic-block-address-map-skip-bb-entries"	,
		cl::desc("Skip emitting basic block entries in the SHT_LLVM_BB_ADDR_MAP " "section. It's used to save binary size when BB entries are " "unnecessary for some PGOAnalysisMap features.")	,
		cl::Hidden	,
		cl::init(false)	)

static

Referenced by getBBAddrMapFeature().

◆ EmitJumpTableSizesSection

cl::opt< bool > EmitJumpTableSizesSection("emit-jump-table-sizes-section", cl::desc("Emit a section containing jump table addresses and sizes"), cl::Hidden, cl::init(false))	(	"emit-jump-table-sizes-section"	,
		cl::desc("Emit a section containing jump table addresses and sizes")	,
		cl::Hidden	,
		cl::init(false)	)

static

◆ PgoAnalysisMapFeatures

cl::bits< PGOMapFeaturesEnum > PgoAnalysisMapFeatures("pgo-analysis-map", cl::Hidden, cl::CommaSeparated, cl::values( clEnumValN(PGOMapFeaturesEnum::None, "none", "Disable all options"), clEnumValN(PGOMapFeaturesEnum::FuncEntryCount, "func-entry-count", "Function Entry Count"), clEnumValN(PGOMapFeaturesEnum::BBFreq, "bb-freq", "Basic Block Frequency"), clEnumValN(PGOMapFeaturesEnum::BrProb, "br-prob", "Branch Probability"), clEnumValN(PGOMapFeaturesEnum::All, "all", "Enable all options")), 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::None, "none", "Disable all options"), clEnumValN(PGOMapFeaturesEnum::FuncEntryCount, "func-entry-count", "Function Entry Count"), clEnumValN(PGOMapFeaturesEnum::BBFreq, "bb-freq", "Basic Block Frequency"), clEnumValN(PGOMapFeaturesEnum::BrProb, "br-prob", "Branch Probability"), clEnumValN(PGOMapFeaturesEnum::All, "all", "Enable all options"))	,
		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().

◆ PrintLatency

cl::opt< bool > PrintLatency("asm-print-latency", cl::desc("Print instruction latencies as verbose asm comments"), cl::Hidden, cl::init(false))	(	"asm-print-latency"	,
		cl::desc("Print instruction latencies as verbose asm comments")	,
		cl::Hidden	,
		cl::init(false)	)

static

Referenced by emitComments().

Classes

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ DEBUG_TYPE

Enumeration Type Documentation

◆ PGOMapFeaturesEnum

Function Documentation

◆ canBeHidden()

◆ emitBasicBlockLoopComments()

◆ emitComments()

◆ emitDebugLabelComment()

◆ emitDebugValueComment()

◆ emitFakeUse()

◆ emitGlobalAliasInline()

◆ emitGlobalConstantArray()

◆ emitGlobalConstantDataSequential()

◆ emitGlobalConstantFP() [1/2]

◆ emitGlobalConstantFP() [2/2]

◆ emitGlobalConstantImpl()

◆ emitGlobalConstantLargeInt()

◆ emitGlobalConstantStruct()

◆ emitGlobalConstantVector()

◆ emitKill()

◆ extractNumericCGTypeId()

◆ getBBAddrMapFeature()

◆ getBBAddrMapMetadata()

◆ getMIMnemonic()

◆ getNumGlobalVariableUses()

◆ globalSize()

◆ handleIndirectSymViaGOTPCRel()

◆ isGOTEquivalentCandidate()

◆ isRepeatedByteSequence() [1/2]

◆ isRepeatedByteSequence() [2/2]

◆ needFuncLabels()

◆ PrintChildLoopComment()

◆ PrintParentLoopComment()

◆ removeMemtagFromGlobal()

◆ shouldTagGlobal()

◆ STATISTIC()

◆ tagGlobalDefinition()

Variable Documentation

◆ BBAddrMapSkipEmitBBEntries

◆ EmitJumpTableSizesSection

◆ PgoAnalysisMapFeatures

◆ PrintLatency