#include <MipsSubtarget.h>

Inheritance diagram for llvm::MipsSubtarget:

Collaboration diagram for llvm::MipsSubtarget:

Public Types
enum	MipsABIEnum { UnknownABI, O32, N32, N64, EABI }
Public Member Functions
bool	enablePostMachineScheduler () const override
	This overrides the PostRAScheduler bit in the SchedModel for each CPU.
void	getCriticalPathRCs (RegClassVector &CriticalPathRCs) const override
CodeGenOpt::Level	getOptLevelToEnablePostRAScheduler () const override
bool	isABI_EABI () const
	Only O32 and EABI supported right now.
bool	isABI_N64 () const
bool	isABI_N32 () const
bool	isABI_O32 () const
bool	isABI_FPXX () const
unsigned	getTargetABI () const
	MipsSubtarget (const std::string &TT, const std::string &CPU, const std::string &FS, bool little, MipsTargetMachine *TM)
void	ParseSubtargetFeatures (StringRef CPU, StringRef FS)
bool	hasMips1 () const
bool	hasMips2 () const
bool	hasMips3 () const
bool	hasMips4 () const
bool	hasMips5 () const
bool	hasMips4_32 () const
bool	hasMips4_32r2 () const
bool	hasMips32 () const
bool	hasMips32r2 () const
bool	hasMips32r6 () const
bool	hasMips64 () const
bool	hasMips64r2 () const
bool	hasMips64r6 () const
bool	hasCnMips () const
bool	isLittle () const
bool	isABICalls () const
bool	isFPXX () const
bool	isFP64bit () const
bool	useOddSPReg () const
bool	noOddSPReg () const
bool	isNaN2008 () const
bool	isGP64bit () const
bool	isGP32bit () const
unsigned	getGPRSizeInBytes () const
bool	isSingleFloat () const
bool	hasVFPU () const
bool	inMips16Mode () const
bool	inMips16ModeDefault () const
bool	inMips16HardFloat () const
bool	inMicroMipsMode () const
bool	hasDSP () const
bool	hasDSPR2 () const
bool	hasMSA () const
bool	isLinux () const
bool	useSmallSection () const
bool	hasStandardEncoding () const
bool	abiUsesSoftFloat () const
bool	enableLongBranchPass () const
bool	hasExtractInsert () const
	Features related to the presence of specific instructions.
bool	hasMTHC1 () const
bool	allowMixed16_32 () const
bool	os16 () const
bool	isTargetNaCl () const
unsigned	stackAlignment () const
Reloc::Model	getRelocationModel () const
MipsSubtarget &	initializeSubtargetDependencies (StringRef CPU, StringRef FS, const TargetMachine *TM)
bool	systemSupportsUnalignedAccess () const
void	setHelperClassesMips16 ()
void	setHelperClassesMipsSE ()
const MipsSelectionDAGInfo *	getSelectionDAGInfo () const override
const DataLayout *	getDataLayout () const override
const MipsInstrInfo *	getInstrInfo () const override
const TargetFrameLowering *	getFrameLowering () const override
const MipsRegisterInfo *	getRegisterInfo () const override
const MipsTargetLowering *	getTargetLowering () const override
const InstrItineraryData *	getInstrItineraryData () const override
Static Public Member Functions
static bool	useConstantIslands ()
Protected Types
enum	MipsArchEnum { Mips1, Mips2, Mips32, Mips32r2, Mips32r6, Mips3, Mips4, Mips5, Mips64, Mips64r2, Mips64r6 }
enum	{ NoOverride, Mips16Override, NoMips16Override }
Protected Attributes
MipsArchEnum	MipsArchVersion
MipsABIEnum	MipsABI
bool	IsLittle
bool	IsSingleFloat
bool	IsFPXX
bool	NoABICalls
bool	IsFP64bit
bool	UseOddSPReg
bool	IsNaN2008bit
bool	IsGP64bit
bool	HasVFPU
bool	HasCnMips
bool	IsLinux
bool	UseSmallSection
bool	HasMips3_32
	Features related to the presence of specific instructions.
bool	HasMips3_32r2
bool	HasMips4_32
bool	HasMips4_32r2
bool	HasMips5_32r2
bool	InMips16Mode
bool	InMips16HardFloat
bool	PreviousInMips16Mode
bool	InMicroMipsMode
bool	HasDSP
bool	HasDSPR2
bool	AllowMixed16_32
bool	Os16
bool	HasMSA
InstrItineraryData	InstrItins
enum llvm::MipsSubtarget:: { ... }	OverrideMode
MipsTargetMachine *	TM
Triple	TargetTriple
const DataLayout	DL
const MipsSelectionDAGInfo	TSInfo
std::unique_ptr< const MipsInstrInfo >	InstrInfo
std::unique_ptr< const MipsFrameLowering >	FrameLowering
std::unique_ptr< const MipsTargetLowering >	TLInfo

Detailed Description

Definition at line 35 of file MipsSubtarget.h.

Member Enumeration Documentation

anonymous enum [protected]

Enumerator:

NoOverride
Mips16Override
NoMips16Override

Definition at line 142 of file MipsSubtarget.h.

enum llvm::MipsSubtarget::MipsABIEnum

Enumerator:

UnknownABI
O32
N32
N64
EABI

Definition at line 40 of file MipsSubtarget.h.

enum llvm::MipsSubtarget::MipsArchEnum [protected]

Enumerator:

Mips1
Mips2
Mips32
Mips32r2
Mips32r6
Mips3
Mips4
Mips5
Mips64
Mips64r2
Mips64r6

Definition at line 45 of file MipsSubtarget.h.

Constructor & Destructor Documentation

MipsSubtarget::MipsSubtarget	(	const std::string &	TT,
		const std::string &	CPU,
		const std::string &	FS,
		bool	little,
		MipsTargetMachine *	TM
	)

This constructor initializes the data members to match that of the specified triple.

Definition at line 105 of file MipsSubtarget.cpp.

References llvm::TargetMachine::getRelocationModel(), hasDSP(), hasMips32r6(), hasMips64r6(), hasMSA(), InMips16Mode, isABI_EABI(), isABI_N32(), isABI_N64(), isABI_O32(), isFP64bit(), IsFPXX, isGP64bit(), IsLinux, isNaN2008(), Mips1, Mips2, Mips3, Mips5, MipsABI, MipsArchVersion, PreviousInMips16Mode, llvm::report_fatal_error(), llvm::Reloc::Static, TM, UnknownABI, useOddSPReg(), and UseSmallSection.

Member Function Documentation

bool MipsSubtarget::abiUsesSoftFloat ( ) const

Definition at line 209 of file MipsSubtarget.cpp.

References InMips16HardFloat, llvm::TargetMachine::Options, TM, and llvm::TargetOptions::UseSoftFloat.

Referenced by llvm::MipsSETargetLowering::MipsSETargetLowering().

bool llvm::MipsSubtarget::allowMixed16_32 ( ) const [inline]

Definition at line 245 of file MipsSubtarget.h.

References AllowMixed16_32, and inMips16ModeDefault().

Referenced by llvm::MipsTargetMachine::addAnalysisPasses(), and enableLongBranchPass().

bool llvm::MipsSubtarget::enableLongBranchPass ( ) const [inline]

Definition at line 237 of file MipsSubtarget.h.

References allowMixed16_32(), and hasStandardEncoding().

bool MipsSubtarget::enablePostMachineScheduler ( ) const [override]

This overrides the PostRAScheduler bit in the SchedModel for each CPU.

This overrides the PostRAScheduler bit in the SchedModel for any CPU.

Definition at line 181 of file MipsSubtarget.cpp.

void MipsSubtarget::getCriticalPathRCs ( RegClassVector & CriticalPathRCs ) const [override]

Definition at line 183 of file MipsSubtarget.cpp.

References isGP64bit().

const DataLayout* llvm::MipsSubtarget::getDataLayout ( ) const [inline, override]

Definition at line 278 of file MipsSubtarget.h.

References DL.

const TargetFrameLowering* llvm::MipsSubtarget::getFrameLowering ( ) const [inline, override]

Definition at line 280 of file MipsSubtarget.h.

References FrameLowering.

unsigned llvm::MipsSubtarget::getGPRSizeInBytes ( ) const [inline]

Definition at line 212 of file MipsSubtarget.h.

References isGP64bit().

const MipsInstrInfo* llvm::MipsSubtarget::getInstrInfo ( ) const [inline, override]

Definition at line 279 of file MipsSubtarget.h.

References InstrInfo.

const InstrItineraryData* llvm::MipsSubtarget::getInstrItineraryData ( ) const [inline, override]

Definition at line 289 of file MipsSubtarget.h.

References InstrItins.

CodeGenOpt::Level MipsSubtarget::getOptLevelToEnablePostRAScheduler ( ) const [override]

Definition at line 189 of file MipsSubtarget.cpp.

References Aggressive.

const MipsRegisterInfo* llvm::MipsSubtarget::getRegisterInfo ( ) const [inline, override]

Definition at line 283 of file MipsSubtarget.h.

References InstrInfo.

Reloc::Model MipsSubtarget::getRelocationModel ( ) const

Definition at line 218 of file MipsSubtarget.cpp.

References llvm::TargetMachine::getRelocationModel(), and TM.

Referenced by assureFPCallStub(), createFPFnStub(), and fixupFPReturnAndCall().

const MipsSelectionDAGInfo* llvm::MipsSubtarget::getSelectionDAGInfo ( ) const [inline, override]

Definition at line 275 of file MipsSubtarget.h.

References TSInfo.

unsigned llvm::MipsSubtarget::getTargetABI ( ) const [inline]

Definition at line 166 of file MipsSubtarget.h.

References MipsABI.

Referenced by llvm::MipsAsmPrinter::getCurrentABIString().

const MipsTargetLowering* llvm::MipsSubtarget::getTargetLowering ( ) const [inline, override]

Definition at line 286 of file MipsSubtarget.h.

References TLInfo.

bool llvm::MipsSubtarget::hasCnMips ( ) const [inline]

Definition at line 201 of file MipsSubtarget.h.

References HasCnMips.

Referenced by llvm::MipsSETargetLowering::MipsSETargetLowering(), and llvm::MipsTargetLowering::MipsTargetLowering().

bool llvm::MipsSubtarget::hasDSP ( ) const [inline]

Definition at line 227 of file MipsSubtarget.h.

References HasDSP.

Referenced by llvm::MipsSETargetLowering::getRepRegClassFor(), llvm::MipsSETargetLowering::MipsSETargetLowering(), MipsSubtarget(), and performDSPShiftCombine().

bool llvm::MipsSubtarget::hasDSPR2 ( ) const [inline]

Definition at line 228 of file MipsSubtarget.h.

References HasDSPR2.

Referenced by llvm::MipsSETargetLowering::MipsSETargetLowering(), performSRACombine(), and performSRLCombine().

bool llvm::MipsSubtarget::hasExtractInsert ( ) const [inline]

Features related to the presence of specific instructions.

Definition at line 242 of file MipsSubtarget.h.

References hasMips32r2(), and inMips16Mode().

Referenced by performANDCombine(), and performORCombine().

bool llvm::MipsSubtarget::hasMips1 ( ) const [inline]

Definition at line 177 of file MipsSubtarget.h.

References Mips1, and MipsArchVersion.

bool llvm::MipsSubtarget::hasMips2 ( ) const [inline]

Definition at line 178 of file MipsSubtarget.h.

References Mips2, and MipsArchVersion.

bool llvm::MipsSubtarget::hasMips3 ( ) const [inline]

Definition at line 179 of file MipsSubtarget.h.

References Mips3, and MipsArchVersion.

bool llvm::MipsSubtarget::hasMips32 ( ) const [inline]

Definition at line 184 of file MipsSubtarget.h.

References Mips3, Mips32, Mips4, Mips5, and MipsArchVersion.

Referenced by llvm::MipsTargetLowering::MipsTargetLowering(), performADDECombine(), and performSUBECombine().

bool llvm::MipsSubtarget::hasMips32r2 ( ) const [inline]

Definition at line 188 of file MipsSubtarget.h.

References Mips32r2, Mips32r6, Mips64r2, Mips64r6, and MipsArchVersion.

Referenced by hasExtractInsert(), hasMTHC1(), and llvm::MipsTargetLowering::MipsTargetLowering().

bool llvm::MipsSubtarget::hasMips32r6 ( ) const [inline]

Definition at line 192 of file MipsSubtarget.h.

References Mips32r6, Mips64r6, and MipsArchVersion.

Referenced by llvm::MipsSETargetLowering::MipsSETargetLowering(), MipsSubtarget(), llvm::MipsTargetLowering::MipsTargetLowering(), performADDECombine(), and systemSupportsUnalignedAccess().

bool llvm::MipsSubtarget::hasMips4 ( ) const [inline]

Definition at line 180 of file MipsSubtarget.h.

References Mips4, and MipsArchVersion.

bool llvm::MipsSubtarget::hasMips4_32 ( ) const [inline]

Definition at line 182 of file MipsSubtarget.h.

References HasMips4_32.

bool llvm::MipsSubtarget::hasMips4_32r2 ( ) const [inline]

Definition at line 183 of file MipsSubtarget.h.

References HasMips4_32r2.

bool llvm::MipsSubtarget::hasMips5 ( ) const [inline]

Definition at line 181 of file MipsSubtarget.h.

References Mips5, and MipsArchVersion.

bool llvm::MipsSubtarget::hasMips64 ( ) const [inline]

Definition at line 195 of file MipsSubtarget.h.

References Mips64, and MipsArchVersion.

Referenced by llvm::MipsTargetLowering::MipsTargetLowering(), llvm::MipsSEFrameLowering::processFunctionBeforeCalleeSavedScan(), and stackAlignment().

bool llvm::MipsSubtarget::hasMips64r2 ( ) const [inline]

Definition at line 196 of file MipsSubtarget.h.

References Mips64r2, Mips64r6, and MipsArchVersion.

Referenced by llvm::MipsTargetLowering::MipsTargetLowering().

bool llvm::MipsSubtarget::hasMips64r6 ( ) const [inline]

Definition at line 199 of file MipsSubtarget.h.

References Mips64r6, and MipsArchVersion.

Referenced by llvm::MipsSETargetLowering::MipsSETargetLowering(), and MipsSubtarget().

bool llvm::MipsSubtarget::hasMSA ( ) const [inline]

Definition at line 229 of file MipsSubtarget.h.

References HasMSA.

Referenced by llvm::MipsSETargetLowering::MipsSETargetLowering(), MipsSubtarget(), performANDCombine(), performORCombine(), performSRACombine(), and performXORCombine().

bool llvm::MipsSubtarget::hasMTHC1 ( ) const [inline]

Definition at line 243 of file MipsSubtarget.h.

References hasMips32r2().

bool llvm::MipsSubtarget::hasStandardEncoding ( ) const [inline]

Definition at line 233 of file MipsSubtarget.h.

References inMips16Mode().

Referenced by enableLongBranchPass().

bool llvm::MipsSubtarget::hasVFPU ( ) const [inline]

Definition at line 214 of file MipsSubtarget.h.

References HasVFPU.

MipsSubtarget & MipsSubtarget::initializeSubtargetDependencies	(	StringRef	CPU,
		StringRef	FS,
		const TargetMachine *	TM
	)

Definition at line 194 of file MipsSubtarget.cpp.

References InMips16HardFloat, InMips16Mode, InstrItins, llvm::TargetMachine::Options, ParseSubtargetFeatures(), selectMipsCPU(), TargetTriple, and llvm::TargetOptions::UseSoftFloat.

bool llvm::MipsSubtarget::inMicroMipsMode ( ) const [inline]

Definition at line 226 of file MipsSubtarget.h.

References InMicroMipsMode.

Referenced by llvm::MipsSEInstrInfo::copyPhysReg(), llvm::MipsAsmPrinter::EmitFunctionEntryLabel(), llvm::MipsSEInstrInfo::expandPostRAPseudo(), and llvm::MipsTargetLowering::MipsTargetLowering().

bool llvm::MipsSubtarget::inMips16HardFloat ( ) const [inline]

Definition at line 223 of file MipsSubtarget.h.

References InMips16HardFloat, and inMips16Mode().

Referenced by llvm::MipsTargetLowering::getOpndList().

bool llvm::MipsSubtarget::inMips16ModeDefault ( ) const [inline]

Definition at line 216 of file MipsSubtarget.h.

References InMips16Mode.

Referenced by allowMixed16_32().

bool llvm::MipsSubtarget::isABI_EABI ( ) const [inline]

Only O32 and EABI supported right now.

Definition at line 161 of file MipsSubtarget.h.

References EABI, and MipsABI.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile(), and MipsSubtarget().

bool llvm::MipsSubtarget::isABI_FPXX ( ) const [inline]

Definition at line 165 of file MipsSubtarget.h.

References isABI_O32(), and IsFPXX.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile().

bool llvm::MipsSubtarget::isABI_N32 ( ) const [inline]

Definition at line 163 of file MipsSubtarget.h.

References MipsABI, and N32.

Referenced by computeDataLayout(), llvm::MipsRegisterInfo::getCalleeSavedRegs(), llvm::MipsRegisterInfo::getCallPreservedMask(), MipsSubtarget(), and llvm::MipsTargetLowering::MipsTargetLowering().

bool llvm::MipsSubtarget::isABI_N64 ( ) const [inline]

Definition at line 162 of file MipsSubtarget.h.

References MipsABI, and N64.

Referenced by llvm::MipsSEInstrInfo::adjustStackPtr(), computeDataLayout(), llvm::MipsFunctionInfo::createEhDataRegsFI(), llvm::MipsSEFrameLowering::ehDataReg(), llvm::MipsSEFrameLowering::eliminateCallFramePseudoInstr(), llvm::MipsSEFrameLowering::emitEpilogue(), llvm::MipsSEFrameLowering::emitPrologue(), llvm::MipsAsmPrinter::EmitStartOfAsmFile(), llvm::MipsRegisterInfo::getCalleeSavedRegs(), llvm::MipsRegisterInfo::getCallPreservedMask(), llvm::MipsRegisterInfo::getFrameRegister(), llvm::MipsFunctionInfo::getGlobalBaseReg(), llvm::MipsTargetLowering::getOpndList(), llvm::MipsRegisterInfo::getPointerRegClass(), llvm::MipsSEInstrInfo::loadImmediate(), MipsSubtarget(), llvm::MipsTargetLowering::MipsTargetLowering(), and llvm::MipsSEFrameLowering::processFunctionBeforeCalleeSavedScan().

bool llvm::MipsSubtarget::isABI_O32 ( ) const [inline]

Definition at line 164 of file MipsSubtarget.h.

References MipsABI, and O32.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile(), llvm::MipsRegisterInfo::getReservedRegs(), llvm::MipsTargetLowering::MipsCC::intArgRegs(), isABI_FPXX(), MipsSubtarget(), and llvm::MipsTargetLowering::MipsCC::reservedArgArea().

bool llvm::MipsSubtarget::isABICalls ( ) const [inline]

Definition at line 204 of file MipsSubtarget.h.

References NoABICalls.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile(), and llvm::MipsRegisterInfo::getReservedRegs().

bool llvm::MipsSubtarget::isFP64bit ( ) const [inline]

Definition at line 206 of file MipsSubtarget.h.

References IsFP64bit.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile(), llvm::MipsRegisterInfo::getCalleeSavedRegs(), llvm::MipsRegisterInfo::getCallPreservedMask(), llvm::MipsRegisterInfo::getReservedRegs(), llvm::MipsSETargetLowering::MipsSETargetLowering(), and MipsSubtarget().

bool llvm::MipsSubtarget::isFPXX ( ) const [inline]

Definition at line 205 of file MipsSubtarget.h.

References IsFPXX.

Referenced by llvm::MipsRegisterInfo::getCalleeSavedRegs(), and llvm::MipsRegisterInfo::getCallPreservedMask().

bool llvm::MipsSubtarget::isGP32bit ( ) const [inline]

Definition at line 211 of file MipsSubtarget.h.

References IsGP64bit.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile().

bool llvm::MipsSubtarget::isGP64bit ( ) const [inline]

Definition at line 210 of file MipsSubtarget.h.

References IsGP64bit.

Referenced by getCriticalPathRCs(), getGPRSizeInBytes(), llvm::MipsSETargetLowering::MipsSETargetLowering(), MipsSubtarget(), llvm::MipsTargetLowering::MipsTargetLowering(), and llvm::MipsAsmPrinter::PrintAsmOperand().

bool llvm::MipsSubtarget::isLinux ( ) const [inline]

Definition at line 230 of file MipsSubtarget.h.

References IsLinux.

bool llvm::MipsSubtarget::isLittle ( ) const [inline]

Definition at line 203 of file MipsSubtarget.h.

References IsLittle.

Referenced by assureFPCallStub(), computeDataLayout(), createFPFnStub(), llvm::MipsSEFrameLowering::emitPrologue(), llvm::MipsTargetLowering::lowerLOAD(), llvm::MipsTargetLowering::lowerSTORE(), performDSPShiftCombine(), performORCombine(), and llvm::MipsAsmPrinter::PrintAsmOperand().

bool llvm::MipsSubtarget::isNaN2008 ( ) const [inline]

Definition at line 209 of file MipsSubtarget.h.

References IsNaN2008bit.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile(), and MipsSubtarget().

bool llvm::MipsSubtarget::isSingleFloat ( ) const [inline]

Definition at line 213 of file MipsSubtarget.h.

References IsSingleFloat.

Referenced by llvm::MipsRegisterInfo::getCalleeSavedRegs(), llvm::MipsRegisterInfo::getCallPreservedMask(), and llvm::MipsSETargetLowering::MipsSETargetLowering().

bool llvm::MipsSubtarget::isTargetNaCl ( ) const [inline]

Definition at line 250 of file MipsSubtarget.h.

References llvm::Triple::isOSNaCl(), and TargetTriple.

Referenced by llvm::MipsAsmPrinter::EmitFunctionEntryLabel(), llvm::MipsRegisterInfo::getReservedRegs(), and llvm::MipsAsmPrinter::runOnMachineFunction().

bool llvm::MipsSubtarget::noOddSPReg ( ) const [inline]

Definition at line 208 of file MipsSubtarget.h.

References UseOddSPReg.

bool llvm::MipsSubtarget::os16 ( ) const [inline]

Definition at line 248 of file MipsSubtarget.h.

References Os16.

void llvm::MipsSubtarget::ParseSubtargetFeatures	(	StringRef	CPU,
		StringRef	FS
	)

ParseSubtargetFeatures - Parses features string setting specified subtarget options. Definition of function is auto generated by tblgen.

Referenced by initializeSubtargetDependencies().

void llvm::MipsSubtarget::setHelperClassesMips16 ( )

void llvm::MipsSubtarget::setHelperClassesMipsSE ( )

unsigned llvm::MipsSubtarget::stackAlignment ( ) const [inline]

Definition at line 256 of file MipsSubtarget.h.

References hasMips64().

bool llvm::MipsSubtarget::systemSupportsUnalignedAccess ( ) const [inline]

Does the system support unaligned memory access.

MIPS32r6/MIPS64r6 require full unaligned access support but does not specify which component of the system provides it. Hardware, software, and hybrid implementations are all valid.

Definition at line 269 of file MipsSubtarget.h.

References hasMips32r6().

Referenced by llvm::MipsSETargetLowering::allowsMisalignedMemoryAccesses(), llvm::MipsTargetLowering::lowerLOAD(), and llvm::MipsTargetLowering::lowerSTORE().

bool MipsSubtarget::useConstantIslands ( ) [static]

Definition at line 213 of file MipsSubtarget.cpp.

References llvm::dbgs(), DEBUG, and Mips16ConstantIslands.

bool llvm::MipsSubtarget::useOddSPReg ( ) const [inline]

Definition at line 207 of file MipsSubtarget.h.

References UseOddSPReg.

Referenced by llvm::MipsAsmPrinter::EmitStartOfAsmFile(), llvm::MipsRegisterInfo::getReservedRegs(), and MipsSubtarget().

bool llvm::MipsSubtarget::useSmallSection ( ) const [inline]

Definition at line 231 of file MipsSubtarget.h.