#include <PPCSubtarget.h>

Inheritance diagram for llvm::PPCSubtarget:

Collaboration diagram for llvm::PPCSubtarget:

Public Member Functions
	PPCSubtarget (const std::string &TT, const std::string &CPU, const std::string &FS, PPCTargetMachine &TM, CodeGenOpt::Level OptLevel)
void	ParseSubtargetFeatures (StringRef CPU, StringRef FS)
unsigned	getStackAlignment () const
unsigned	getDarwinDirective () const
const InstrItineraryData *	getInstrItineraryData () const override
const PPCFrameLowering *	getFrameLowering () const override
const DataLayout *	getDataLayout () const override
const PPCInstrInfo *	getInstrInfo () const override
const PPCTargetLowering *	getTargetLowering () const override
const PPCSelectionDAGInfo *	getSelectionDAGInfo () const override
const PPCRegisterInfo *	getRegisterInfo () const override
PPCSubtarget &	initializeSubtargetDependencies (StringRef CPU, StringRef FS)
bool	isPPC64 () const
bool	has64BitSupport () const
bool	use64BitRegs () const
bool	useCRBits () const
bool	hasLazyResolverStub (const GlobalValue *GV, const TargetMachine &TM) const
bool	isLittleEndian () const
bool	hasFCPSGN () const
bool	hasFSQRT () const
bool	hasFRE () const
bool	hasFRES () const
bool	hasFRSQRTE () const
bool	hasFRSQRTES () const
bool	hasRecipPrec () const
bool	hasSTFIWX () const
bool	hasLFIWAX () const
bool	hasFPRND () const
bool	hasFPCVT () const
bool	hasAltivec () const
bool	hasSPE () const
bool	hasQPX () const
bool	hasVSX () const
bool	hasMFOCRF () const
bool	hasISEL () const
bool	hasPOPCNTD () const
bool	hasLDBRX () const
bool	isBookE () const
bool	isPPC4xx () const
bool	isPPC6xx () const
bool	isE500 () const
bool	isDeprecatedMFTB () const
bool	isDeprecatedDST () const
const Triple &	getTargetTriple () const
bool	isDarwin () const
	isDarwin - True if this is any darwin platform.
bool	isBGQ () const
	isBGQ - True if this is a BG/Q platform.
bool	isTargetELF () const
bool	isTargetMachO () const
bool	isDarwinABI () const
bool	isSVR4ABI () const
bool	isELFv2ABI () const
bool	enableEarlyIfConversion () const override
bool	enableMachineScheduler () const override
bool	enablePostMachineScheduler () const override
AntiDepBreakMode	getAntiDepBreakMode () const override
void	getCriticalPathRCs (RegClassVector &CriticalPathRCs) const override
void	overrideSchedPolicy (MachineSchedPolicy &Policy, MachineInstr begin, MachineInstr end, unsigned NumRegionInstrs) const override
bool	useAA () const override
Protected Types
enum	{ PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 }
Protected Attributes
Triple	TargetTriple
	TargetTriple - What processor and OS we're targeting.
const DataLayout	DL
unsigned	StackAlignment
InstrItineraryData	InstrItins
	Selected instruction itineraries (one entry per itinerary class.)
unsigned	DarwinDirective
	Which cpu directive was used.
bool	HasMFOCRF
	Used by the ISel to turn in optimizations for POWER4-derived architectures.
bool	Has64BitSupport
bool	Use64BitRegs
bool	UseCRBits
bool	IsPPC64
bool	HasAltivec
bool	HasSPE
bool	HasQPX
bool	HasVSX
bool	HasFCPSGN
bool	HasFSQRT
bool	HasFRE
bool	HasFRES
bool	HasFRSQRTE
bool	HasFRSQRTES
bool	HasRecipPrec
bool	HasSTFIWX
bool	HasLFIWAX
bool	HasFPRND
bool	HasFPCVT
bool	HasISEL
bool	HasPOPCNTD
bool	HasLDBRX
bool	IsBookE
bool	IsE500
bool	IsPPC4xx
bool	IsPPC6xx
bool	DeprecatedMFTB
bool	DeprecatedDST
bool	HasLazyResolverStubs
bool	IsLittleEndian
CodeGenOpt::Level	OptLevel
	OptLevel - What default optimization level we're emitting code for.
enum llvm::PPCSubtarget:: { ... }	TargetABI
PPCFrameLowering	FrameLowering
PPCInstrInfo	InstrInfo
PPCTargetLowering	TLInfo
PPCSelectionDAGInfo	TSInfo

Detailed Description

Definition at line 66 of file PPCSubtarget.h.

Member Enumeration Documentation

anonymous enum [protected]

Enumerator:

PPC_ABI_UNKNOWN
PPC_ABI_ELFv1
PPC_ABI_ELFv2

Definition at line 117 of file PPCSubtarget.h.

Constructor & Destructor Documentation

PPCSubtarget::PPCSubtarget	(	const std::string &	TT,
		const std::string &	CPU,
		const std::string &	FS,
		PPCTargetMachine &	TM,
		CodeGenOpt::Level	OptLevel
	)

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

Definition at line 76 of file PPCSubtarget.cpp.

Member Function Documentation

bool llvm::PPCSubtarget::enableEarlyIfConversion ( ) const [inline, override]

Definition at line 246 of file PPCSubtarget.h.

References hasISEL().

bool PPCSubtarget::enableMachineScheduler ( ) const [override]

Definition at line 225 of file PPCSubtarget.cpp.

References DarwinDirective, and needsAggressiveScheduling().

Referenced by llvm::PPCTargetLowering::getSchedulingPreference(), and llvm::PPCTargetLowering::PPCTargetLowering().

bool PPCSubtarget::enablePostMachineScheduler ( ) const [override]

Definition at line 233 of file PPCSubtarget.cpp.

PPCGenSubtargetInfo::AntiDepBreakMode PPCSubtarget::getAntiDepBreakMode ( ) const [override]

Definition at line 235 of file PPCSubtarget.cpp.

References llvm::TargetSubtargetInfo::ANTIDEP_ALL.

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

Definition at line 239 of file PPCSubtarget.cpp.

References isPPC64().

unsigned llvm::PPCSubtarget::getDarwinDirective ( ) const [inline]

getDarwinDirective - Returns the -m directive specified for the cpu.

Definition at line 147 of file PPCSubtarget.h.

References DarwinDirective.

Referenced by llvm::PPCInstrInfo::getOperandLatency(), llvm::PPCInstrInfo::insertNoop(), and llvm::PPCTargetLowering::PPCTargetLowering().

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

Definition at line 158 of file PPCSubtarget.h.

References DL.

const PPCFrameLowering* llvm::PPCSubtarget::getFrameLowering ( ) const [inline, override]

Definition at line 155 of file PPCSubtarget.h.

References FrameLowering.

const PPCInstrInfo* llvm::PPCSubtarget::getInstrInfo ( ) const [inline, override]

Definition at line 159 of file PPCSubtarget.h.

References InstrInfo.

Referenced by getRegisterInfo().

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

getInstrItins - Return the instruction itineraries based on subtarget selection.

Definition at line 151 of file PPCSubtarget.h.

References InstrItins.

const PPCRegisterInfo* llvm::PPCSubtarget::getRegisterInfo ( ) const [inline, override]

Definition at line 166 of file PPCSubtarget.h.

References getInstrInfo(), and llvm::PPCInstrInfo::getRegisterInfo().

const PPCSelectionDAGInfo* llvm::PPCSubtarget::getSelectionDAGInfo ( ) const [inline, override]

Definition at line 163 of file PPCSubtarget.h.

References TSInfo.

unsigned llvm::PPCSubtarget::getStackAlignment ( ) const [inline]

getStackAlignment - Returns the minimum alignment known to hold of the stack frame on entry to the function and which must be maintained by every function for this subtarget.

Definition at line 143 of file PPCSubtarget.h.

References StackAlignment.

const PPCTargetLowering* llvm::PPCSubtarget::getTargetLowering ( ) const [inline, override]

Definition at line 160 of file PPCSubtarget.h.

References TLInfo.

const Triple& llvm::PPCSubtarget::getTargetTriple ( ) const [inline]

Definition at line 232 of file PPCSubtarget.h.

References TargetTriple.

Referenced by PrepareCall().

bool llvm::PPCSubtarget::has64BitSupport ( ) const [inline]

has64BitSupport - Return true if the selected CPU supports 64-bit instructions, regardless of whether we are in 32-bit or 64-bit mode.

Definition at line 185 of file PPCSubtarget.h.

References Has64BitSupport.

Referenced by llvm::PPCTargetLowering::PerformDAGCombine(), and llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasAltivec ( ) const [inline]

Definition at line 217 of file PPCSubtarget.h.

References HasAltivec.

Referenced by llvm::PPCTargetLowering::getByValTypeAlignment(), llvm::PPCRegisterInfo::getCalleeSavedRegs(), llvm::PPCRegisterInfo::getCallPreservedMask(), llvm::PPCRegisterInfo::getReservedRegs(), and llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFCPSGN ( ) const [inline]

Definition at line 206 of file PPCSubtarget.h.

References HasFCPSGN.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFPCVT ( ) const [inline]

Definition at line 216 of file PPCSubtarget.h.

References HasFPCVT.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFPRND ( ) const [inline]

Definition at line 215 of file PPCSubtarget.h.

References HasFPRND.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFRE ( ) const [inline]

Definition at line 208 of file PPCSubtarget.h.

References HasFRE.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFRES ( ) const [inline]

Definition at line 209 of file PPCSubtarget.h.

References HasFRES.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFRSQRTE ( ) const [inline]

Definition at line 210 of file PPCSubtarget.h.

References HasFRSQRTE.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFRSQRTES ( ) const [inline]

Definition at line 211 of file PPCSubtarget.h.

References HasFRSQRTES.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasFSQRT ( ) const [inline]

Definition at line 207 of file PPCSubtarget.h.

References HasFSQRT.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasISEL ( ) const [inline]

Definition at line 222 of file PPCSubtarget.h.

References HasISEL.

Referenced by llvm::PPCInstrInfo::canInsertSelect(), llvm::PPCTargetLowering::EmitInstrWithCustomInserter(), enableEarlyIfConversion(), and llvm::PPCInstrInfo::insertSelect().

bool PPCSubtarget::hasLazyResolverStub	(	const GlobalValue *	GV,
		const TargetMachine &	TM
	)		const

hasLazyResolverStub - Return true if accesses to the specified global have to go through a dyld lazy resolution stub. This means that an extra load is required to get the address of the global.

Definition at line 197 of file PPCSubtarget.cpp.

References llvm::TargetMachine::getRelocationModel(), llvm::GlobalValue::hasCommonLinkage(), llvm::GlobalValue::hasHiddenVisibility(), HasLazyResolverStubs, llvm::GlobalValue::hasLinkOnceLinkage(), llvm::GlobalValue::hasWeakLinkage(), llvm::GlobalValue::isDeclaration(), llvm::GlobalValue::isMaterializable(), and llvm::Reloc::Static.

Referenced by GetLabelAccessInfo().

bool llvm::PPCSubtarget::hasLDBRX ( ) const [inline]

Definition at line 224 of file PPCSubtarget.h.

References HasLDBRX.

bool llvm::PPCSubtarget::hasLFIWAX ( ) const [inline]

Definition at line 214 of file PPCSubtarget.h.

References HasLFIWAX.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasMFOCRF ( ) const [inline]

Definition at line 221 of file PPCSubtarget.h.

References HasMFOCRF.

bool llvm::PPCSubtarget::hasPOPCNTD ( ) const [inline]

Definition at line 223 of file PPCSubtarget.h.

References HasPOPCNTD.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::hasQPX ( ) const [inline]

Definition at line 219 of file PPCSubtarget.h.

References HasQPX.

Referenced by llvm::PPCTargetLowering::getByValTypeAlignment().

bool llvm::PPCSubtarget::hasRecipPrec ( ) const [inline]

Definition at line 212 of file PPCSubtarget.h.

References HasRecipPrec.

bool llvm::PPCSubtarget::hasSPE ( ) const [inline]

Definition at line 218 of file PPCSubtarget.h.

References HasSPE.

bool llvm::PPCSubtarget::hasSTFIWX ( ) const [inline]

Definition at line 213 of file PPCSubtarget.h.

References HasSTFIWX.

Referenced by llvm::PPCTargetLowering::PerformDAGCombine().

bool llvm::PPCSubtarget::hasVSX ( ) const [inline]

Definition at line 220 of file PPCSubtarget.h.

References HasVSX.

Referenced by llvm::PPCTargetLowering::allowsMisalignedMemoryAccesses(), llvm::PPCRegisterInfo::getLargestLegalSuperClass(), and llvm::PPCTargetLowering::PPCTargetLowering().

PPCSubtarget & PPCSubtarget::initializeSubtargetDependencies	(	StringRef	CPU,
		StringRef	FS
	)

initializeSubtargetDependencies - Initializes using a CPU and feature string so that we can use initializer lists for subtarget initialization.

Definition at line 69 of file PPCSubtarget.cpp.

bool llvm::PPCSubtarget::isBGQ ( ) const [inline]

isBGQ - True if this is a BG/Q platform.

Definition at line 237 of file PPCSubtarget.h.

References llvm::Triple::BGQ, llvm::Triple::getVendor(), and TargetTriple.

bool llvm::PPCSubtarget::isBookE ( ) const [inline]

Definition at line 225 of file PPCSubtarget.h.

References IsBookE.

bool llvm::PPCSubtarget::isDarwin ( ) const [inline]

isDarwin - True if this is any darwin platform.

Definition at line 235 of file PPCSubtarget.h.

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

Referenced by createPPCAsmPrinterPass(), llvm::PPCTargetLowering::getByValTypeAlignment(), isDarwinABI(), isSVR4ABI(), and llvm::PPCTargetLowering::PPCTargetLowering().

bool llvm::PPCSubtarget::isDarwinABI ( ) const [inline]

Definition at line 242 of file PPCSubtarget.h.

References isDarwin().

Referenced by llvm::PPCFrameLowering::determineFrameLayout(), llvm::PPCFrameLowering::emitEpilogue(), llvm::PPCFrameLowering::emitPrologue(), llvm::PPCRegisterInfo::getCalleeSavedRegs(), llvm::PPCFrameLowering::getCalleeSavedSpillSlots(), llvm::PPCRegisterInfo::getCallPreservedMask(), llvm::PPCTargetLowering::getRegisterByName(), llvm::PPCRegisterInfo::getReservedRegs(), llvm::PPCFrameLowering::processFunctionBeforeCalleeSavedScan(), llvm::PPCFrameLowering::restoreCalleeSavedRegisters(), and llvm::PPCFrameLowering::spillCalleeSavedRegisters().

bool llvm::PPCSubtarget::isDeprecatedDST ( ) const [inline]

Definition at line 230 of file PPCSubtarget.h.

References DeprecatedDST.

bool llvm::PPCSubtarget::isDeprecatedMFTB ( ) const [inline]

Definition at line 229 of file PPCSubtarget.h.

References DeprecatedMFTB.

bool llvm::PPCSubtarget::isE500 ( ) const [inline]

Definition at line 228 of file PPCSubtarget.h.

References IsE500.

bool llvm::PPCSubtarget::isELFv2ABI ( ) const [inline]

Definition at line 244 of file PPCSubtarget.h.

References PPC_ABI_ELFv2, and TargetABI.

Referenced by llvm::PPCFrameLowering::determineFrameLayout(), llvm::PPCFrameLowering::emitPrologue(), and PrepareCall().

bool llvm::PPCSubtarget::isLittleEndian ( ) const [inline]

Definition at line 203 of file PPCSubtarget.h.

References IsLittleEndian.

Referenced by llvm::PPCTargetLowering::PerformDAGCombine().

bool llvm::PPCSubtarget::isPPC4xx ( ) const [inline]

Definition at line 226 of file PPCSubtarget.h.

References IsPPC4xx.

bool llvm::PPCSubtarget::isPPC64 ( ) const [inline]

isPPC64 - Return true if we are generating code for 64-bit pointer mode.

Definition at line 181 of file PPCSubtarget.h.

References IsPPC64.

bool llvm::PPCSubtarget::isPPC6xx ( ) const [inline]

Definition at line 227 of file PPCSubtarget.h.

References IsPPC6xx.

bool llvm::PPCSubtarget::isSVR4ABI ( ) const [inline]

Definition at line 243 of file PPCSubtarget.h.

References isDarwin().

Referenced by llvm::PPC::createFastISel(), llvm::PPCFrameLowering::determineFrameLayout(), llvm::PPCTargetLowering::emitEHSjLjLongJmp(), llvm::PPCTargetLowering::emitEHSjLjSetJmp(), llvm::PPCFrameLowering::emitEpilogue(), llvm::PPCFrameLowering::emitPrologue(), llvm::PPCRegisterInfo::getBaseRegister(), llvm::PPCFrameLowering::getCalleeSavedSpillSlots(), llvm::PPCRegisterInfo::getReservedRegs(), llvm::PPCRegisterInfo::hasReservedSpillSlot(), llvm::PPCTargetLowering::PPCTargetLowering(), PrepareCall(), llvm::PPCFrameLowering::processFunctionBeforeFrameFinalized(), llvm::PPCTargetLowering::ReplaceNodeResults(), llvm::PPCFrameLowering::restoreCalleeSavedRegisters(), and llvm::PPCFrameLowering::spillCalleeSavedRegisters().

bool llvm::PPCSubtarget::isTargetELF ( ) const [inline]

Definition at line 239 of file PPCSubtarget.h.

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

Referenced by PrepareCall().

bool llvm::PPCSubtarget::isTargetMachO ( ) const [inline]

Definition at line 240 of file PPCSubtarget.h.

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

void PPCSubtarget::overrideSchedPolicy	(	MachineSchedPolicy &	Policy,
		MachineInstr *	begin,
		MachineInstr *	end,
		unsigned	NumRegionInstrs
	)		const `[override]`

Definition at line 245 of file PPCSubtarget.cpp.

References DarwinDirective, needsAggressiveScheduling(), llvm::MachineSchedPolicy::OnlyBottomUp, llvm::MachineSchedPolicy::OnlyTopDown, and llvm::MachineSchedPolicy::ShouldTrackPressure.

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

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

bool llvm::PPCSubtarget::use64BitRegs ( ) const [inline]

use64BitRegs - Return true if in 64-bit mode or if we should use 64-bit registers in 32-bit mode when possible. This can only true if has64BitSupport() returns true.

Definition at line 190 of file PPCSubtarget.h.

References Use64BitRegs.

Referenced by llvm::PPCTargetLowering::PPCTargetLowering().

bool PPCSubtarget::useAA ( ) const [override]

Definition at line 259 of file PPCSubtarget.cpp.

References DarwinDirective, and needsAggressiveScheduling().

bool llvm::PPCSubtarget::useCRBits ( ) const [inline]

useCRBits - Return true if we should store and manipulate i1 values in the individual condition register bits.

Definition at line 194 of file PPCSubtarget.h.

References UseCRBits.

Referenced by llvm::PPCTargetLowering::getSetCCResultType(), and llvm::PPCTargetLowering::PPCTargetLowering().