CommandFlags.h File Reference

#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetMachine.h"
#include <string>

Include dependency graph for CommandFlags.h:

Go to the source code of this file.

Functions
cl::opt< std::string >	MArch ("march", cl::desc("Architecture to generate code for (see --version)"))
cl::opt< std::string >	MCPU ("mcpu", cl::desc("Target a specific cpu type (-mcpu=help for details)"), cl::value_desc("cpu-name"), cl::init(""))
cl::list< std::string >	MAttrs ("mattr", cl::CommaSeparated, cl::desc("Target specific attributes (-mattr=help for details)"), cl::value_desc("a1,+a2,-a3,..."))
cl::opt< Reloc::Model >	RelocModel ("relocation-model", cl::desc("Choose relocation model"), cl::init(Reloc::Default), cl::values(clEnumValN(Reloc::Default,"default","Target default relocation model"), clEnumValN(Reloc::Static,"static","Non-relocatable code"), clEnumValN(Reloc::PIC_,"pic","Fully relocatable, position independent code"), clEnumValN(Reloc::DynamicNoPIC,"dynamic-no-pic","Relocatable external references, non-relocatable code"), clEnumValEnd))
cl::opt< llvm::CodeModel::Model >	CMModel ("code-model", cl::desc("Choose code model"), cl::init(CodeModel::Default), cl::values(clEnumValN(CodeModel::Default,"default","Target default code model"), clEnumValN(CodeModel::Small,"small","Small code model"), clEnumValN(CodeModel::Kernel,"kernel","Kernel code model"), clEnumValN(CodeModel::Medium,"medium","Medium code model"), clEnumValN(CodeModel::Large,"large","Large code model"), clEnumValEnd))
cl::opt< bool >	RelaxAll ("mc-relax-all", cl::desc("When used with filetype=obj, ""relax all fixups in the emitted object file"))
cl::opt < TargetMachine::CodeGenFileType >	FileType ("filetype", cl::init(TargetMachine::CGFT_AssemblyFile), cl::desc("Choose a file type (not all types are supported by all targets):"), cl::values(clEnumValN(TargetMachine::CGFT_AssemblyFile,"asm","Emit an assembly ('.s') file"), clEnumValN(TargetMachine::CGFT_ObjectFile,"obj","Emit a native object ('.o') file"), clEnumValN(TargetMachine::CGFT_Null,"null","Emit nothing, for performance testing"), clEnumValEnd))
cl::opt< bool >	DisableDotLoc ("disable-dot-loc", cl::Hidden, cl::desc("Do not use .loc entries"))
cl::opt< bool >	DisableCFI ("disable-cfi", cl::Hidden, cl::desc("Do not use .cfi_* directives"))
cl::opt< bool >	EnableDwarfDirectory ("enable-dwarf-directory", cl::Hidden, cl::desc("Use .file directives with an explicit directory."))
cl::opt< bool >	DisableRedZone ("disable-red-zone", cl::desc("Do not emit code that uses the red zone."), cl::init(false))
cl::opt< bool >	EnableFPMAD ("enable-fp-mad", cl::desc("Enable less precise MAD instructions to be generated"), cl::init(false))
cl::opt< bool >	DisableFPElim ("disable-fp-elim", cl::desc("Disable frame pointer elimination optimization"), cl::init(false))
cl::opt< bool >	EnableUnsafeFPMath ("enable-unsafe-fp-math", cl::desc("Enable optimizations that may decrease FP precision"), cl::init(false))
cl::opt< bool >	EnableNoInfsFPMath ("enable-no-infs-fp-math", cl::desc("Enable FP math optimizations that assume no +-Infs"), cl::init(false))
cl::opt< bool >	EnableNoNaNsFPMath ("enable-no-nans-fp-math", cl::desc("Enable FP math optimizations that assume no NaNs"), cl::init(false))
cl::opt< bool >	EnableHonorSignDependentRoundingFPMath ("enable-sign-dependent-rounding-fp-math", cl::Hidden, cl::desc("Force codegen to assume rounding mode can change dynamically"), cl::init(false))
cl::opt< bool >	GenerateSoftFloatCalls ("soft-float", cl::desc("Generate software floating point library calls"), cl::init(false))
cl::opt< llvm::FloatABI::ABIType >	FloatABIForCalls ("float-abi", cl::desc("Choose float ABI type"), cl::init(FloatABI::Default), cl::values(clEnumValN(FloatABI::Default,"default","Target default float ABI type"), clEnumValN(FloatABI::Soft,"soft","Soft float ABI (implied by -soft-float)"), clEnumValN(FloatABI::Hard,"hard","Hard float ABI (uses FP registers)"), clEnumValEnd))
cl::opt < llvm::FPOpFusion::FPOpFusionMode >	FuseFPOps ("fp-contract", cl::desc("Enable aggressive formation of fused FP ops"), cl::init(FPOpFusion::Standard), cl::values(clEnumValN(FPOpFusion::Fast,"fast","Fuse FP ops whenever profitable"), clEnumValN(FPOpFusion::Standard,"on","Only fuse 'blessed' FP ops."), clEnumValN(FPOpFusion::Strict,"off","Only fuse FP ops when the result won't be effected."), clEnumValEnd))
cl::opt< bool >	DontPlaceZerosInBSS ("nozero-initialized-in-bss", cl::desc("Don't place zero-initialized symbols into bss section"), cl::init(false))
cl::opt< bool >	EnableGuaranteedTailCallOpt ("tailcallopt", cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."), cl::init(false))
cl::opt< bool >	DisableTailCalls ("disable-tail-calls", cl::desc("Never emit tail calls"), cl::init(false))
cl::opt< unsigned >	OverrideStackAlignment ("stack-alignment", cl::desc("Override default stack alignment"), cl::init(0))
cl::opt< std::string >	TrapFuncName ("trap-func", cl::Hidden, cl::desc("Emit a call to trap function rather than a trap instruction"), cl::init(""))
cl::opt< bool >	EnablePIE ("enable-pie", cl::desc("Assume the creation of a position independent executable."), cl::init(false))
cl::opt< bool >	SegmentedStacks ("segmented-stacks", cl::desc("Use segmented stacks if possible."), cl::init(false))
cl::opt< bool >	UseInitArray ("use-init-array", cl::desc("Use .init_array instead of .ctors."), cl::init(false))
cl::opt< std::string >	StopAfter ("stop-after", cl::desc("Stop compilation after a specific pass"), cl::value_desc("pass-name"), cl::init(""))
cl::opt< std::string >	StartAfter ("start-after", cl::desc("Resume compilation after a specific pass"), cl::value_desc("pass-name"), cl::init(""))

Function Documentation

cl::opt<llvm::CodeModel::Model> CMModel	(	"code-model"	,
		cl::	desc"Choose code model",
		cl::	initCodeModel::Default,
		cl::	valuesclEnumValN(CodeModel::Default,"default","Target default code model"), clEnumValN(CodeModel::Small,"small","Small code model"), clEnumValN(CodeModel::Kernel,"kernel","Kernel code model"), clEnumValN(CodeModel::Medium,"medium","Medium code model"), clEnumValN(CodeModel::Large,"large","Large code model"), clEnumValEnd
	)

cl::opt<bool> DisableCFI	(	"disable-cfi"	,
		cl::Hidden	,
		cl::	desc"Do not use .cfi_* directives"
	)

cl::opt<bool> DisableDotLoc	(	"disable-dot-loc"	,
		cl::Hidden	,
		cl::	desc"Do not use .loc entries"
	)

cl::opt<bool> DisableFPElim	(	"disable-fp-elim"	,
		cl::	desc"Disable frame pointer elimination optimization",
		cl::	initfalse
	)

cl::opt<bool> DisableRedZone	(	"disable-red-zone"	,
		cl::	desc"Do not emit code that uses the red zone.",
		cl::	initfalse
	)

Referenced by llvm::PPCFrameLowering::determineFrameLayout().

cl::opt<bool> DisableTailCalls	(	"disable-tail-calls"	,
		cl::	desc"Never emit tail calls",
		cl::	initfalse
	)

Referenced by llvm::operator==(), and llvm::TargetMachine::resetTargetOptions().

cl::opt<bool> DontPlaceZerosInBSS	(	"nozero-initialized-in-bss"	,
		cl::	desc"Don't place zero-initialized symbols into bss section",
		cl::	initfalse
	)

cl::opt<bool> EnableDwarfDirectory	(	"enable-dwarf-directory"	,
		cl::Hidden	,
		cl::	desc"Use .file directives with an explicit directory."
	)

cl::opt<bool> EnableFPMAD	(	"enable-fp-mad"	,
		cl::	desc"Enable less precise MAD instructions to be generated",
		cl::	initfalse
	)

cl::opt<bool> EnableGuaranteedTailCallOpt	(	"tailcallopt"	,
		cl::	desc"Turn fastcc calls into tail calls by (potentially) changing ABI.",
		cl::	initfalse
	)

cl::opt<bool> EnableHonorSignDependentRoundingFPMath	(	"enable-sign-dependent-rounding-fp-math"	,
		cl::Hidden	,
		cl::	desc"Force codegen to assume rounding mode can change dynamically",
		cl::	initfalse
	)

cl::opt<bool> EnableNoInfsFPMath	(	"enable-no-infs-fp-math"	,
		cl::	desc"Enable FP math optimizations that assume no +-Infs",
		cl::	initfalse
	)

cl::opt<bool> EnableNoNaNsFPMath	(	"enable-no-nans-fp-math"	,
		cl::	desc"Enable FP math optimizations that assume no NaNs",
		cl::	initfalse
	)

cl::opt<bool> EnablePIE	(	"enable-pie"	,
		cl::	desc"Assume the creation of a position independent executable.",
		cl::	initfalse
	)

cl::opt<bool> EnableUnsafeFPMath	(	"enable-unsafe-fp-math"	,
		cl::	desc"Enable optimizations that may decrease FP precision",
		cl::	initfalse
	)

cl::opt<TargetMachine::CodeGenFileType> FileType	(	"filetype"	,
		cl::	initTargetMachine::CGFT_AssemblyFile,
		cl::	desc"Choose a file type (not all types are supported by all targets):",
		cl::	valuesclEnumValN(TargetMachine::CGFT_AssemblyFile,"asm","Emit an assembly ('.s') file"), clEnumValN(TargetMachine::CGFT_ObjectFile,"obj","Emit a native object ('.o') file"), clEnumValN(TargetMachine::CGFT_Null,"null","Emit nothing, for performance testing"), clEnumValEnd
	)

cl::opt<llvm::FloatABI::ABIType> FloatABIForCalls	(	"float-abi"	,
		cl::	desc"Choose float ABI type",
		cl::	initFloatABI::Default,
		cl::	valuesclEnumValN(FloatABI::Default,"default","Target default float ABI type"), clEnumValN(FloatABI::Soft,"soft","Soft float ABI (implied by -soft-float)"), clEnumValN(FloatABI::Hard,"hard","Hard float ABI (uses FP registers)"), clEnumValEnd
	)

cl::opt<llvm::FPOpFusion::FPOpFusionMode> FuseFPOps	(	"fp-contract"	,
		cl::	desc"Enable aggressive formation of fused FP ops",
		cl::	initFPOpFusion::Standard,
		cl::	valuesclEnumValN(FPOpFusion::Fast,"fast","Fuse FP ops whenever profitable"), clEnumValN(FPOpFusion::Standard,"on","Only fuse 'blessed' FP ops."), clEnumValN(FPOpFusion::Strict,"off","Only fuse FP ops when the result won't be effected."), clEnumValEnd
	)

cl::opt<bool> GenerateSoftFloatCalls	(	"soft-float"	,
		cl::	desc"Generate software floating point library calls",
		cl::	initfalse
	)

cl::opt<std::string> MArch	(	"march"	,
		cl::	desc"Architecture to generate code for (see --version)"
	)

cl::list<std::string> MAttrs	(	"mattr"	,
		cl::CommaSeparated	,
		cl::	desc"Target specific attributes (-mattr=help for details)",
		cl::	value_desc"a1,+a2,-a3,..."
	)

cl::opt<std::string> MCPU	(	"mcpu"	,
		cl::	desc"Target a specific cpu type (-mcpu=help for details)",
		cl::	value_desc"cpu-name",
		cl::	init""
	)

cl::opt<unsigned> OverrideStackAlignment	(	"stack-alignment"	,
		cl::	desc"Override default stack alignment",
		cl::	init0
	)

cl::opt<bool> RelaxAll	(	"mc-relax-all"	,
		cl::	desc"When used with filetype=obj, ""relax all fixups in the emitted object file"
	)

Referenced by llvm::MCAssembler::getRelaxAll(), and llvm::MCAssembler::setRelaxAll().

cl::opt<Reloc::Model> RelocModel	(	"relocation-model"	,
		cl::	desc"Choose relocation model",
		cl::	initReloc::Default,
		cl::	valuesclEnumValN(Reloc::Default,"default","Target default relocation model"), clEnumValN(Reloc::Static,"static","Non-relocatable code"), clEnumValN(Reloc::PIC_,"pic","Fully relocatable, position independent code"), clEnumValN(Reloc::DynamicNoPIC,"dynamic-no-pic","Relocatable external references, non-relocatable code"), clEnumValEnd
	)

cl::opt<bool> SegmentedStacks	(	"segmented-stacks"	,
		cl::	desc"Use segmented stacks if possible.",
		cl::	initfalse
	)

cl::opt<std::string> StartAfter	(	"start-after"	,
		cl::	desc"Resume compilation after a specific pass",
		cl::	value_desc"pass-name",
		cl::	init""
	)

cl::opt<std::string> StopAfter	(	"stop-after"	,
		cl::	desc"Stop compilation after a specific pass",
		cl::	value_desc"pass-name",
		cl::	init""
	)

cl::opt<std::string> TrapFuncName	(	"trap-func"	,
		cl::Hidden	,
		cl::	desc"Emit a call to trap function rather than a trap instruction",
		cl::	init""
	)

Referenced by llvm::operator==().

cl::opt<bool> UseInitArray	(	"use-init-array"	,
		cl::	desc"Use .init_array instead of .ctors.",
		cl::	initfalse
	)

Referenced by llvm::TargetLoweringObjectFileELF::getStaticCtorSection(), llvm::TargetLoweringObjectFileELF::getStaticDtorSection(), llvm::TargetLoweringObjectFileELF::InitializeELF(), and llvm::operator==().