#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, bool is64Bit)
void	ParseSubtargetFeatures (StringRef CPU, StringRef FS)
void	SetJITMode ()
unsigned	getStackAlignment () const
unsigned	getDarwinDirective () const
const InstrItineraryData &	getInstrItineraryData () const
const char *	getDataLayoutString () const
bool	isPPC64 () const
bool	has64BitSupport () const
bool	use64BitRegs () const
bool	hasLazyResolverStub (const GlobalValue *GV, const TargetMachine &TM) const
bool	isJITCodeModel () 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	hasQPX () const
bool	hasMFOCRF () const
bool	hasISEL () const
bool	hasPOPCNTD () const
bool	hasLDBRX () const
bool	isBookE () const
const Triple &	getTargetTriple () const
bool	isDarwin () const
	isDarwin - True if this is any darwin platform.
bool	isBGP () const
	isBGP - True if this is a BG/P platform.
bool	isBGQ () const
	isBGQ - True if this is a BG/Q platform.
bool	isDarwinABI () const
bool	isSVR4ABI () const
bool	enablePostRAScheduler (CodeGenOpt::Level OptLevel, TargetSubtargetInfo::AntiDepBreakMode &Mode, RegClassVector &CriticalPathRCs) const
	enablePostRAScheduler - True at 'More' optimization.
Protected Attributes
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	IsPPC64
bool	HasAltivec
bool	HasQPX
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	HasLazyResolverStubs
bool	IsJITCodeModel
Triple	TargetTriple
	TargetTriple - What processor and OS we're targeting.

Detailed Description

Definition at line 60 of file PPCSubtarget.h.

Constructor & Destructor Documentation

PPCSubtarget::PPCSubtarget	(	const std::string &	TT,
		const std::string &	CPU,
		const std::string &	FS,
		bool	is64Bit
	)

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

Definition at line 29 of file PPCSubtarget.cpp.

References llvm::X86II::FS, llvm::sys::getHostCPUName(), Has64BitSupport, has64BitSupport(), HasLazyResolverStubs, hasQPX(), InstrItins, isBGQ(), isDarwin(), ParseSubtargetFeatures(), StackAlignment, Use64BitRegs, and use64BitRegs().

Member Function Documentation

bool PPCSubtarget::enablePostRAScheduler	(	CodeGenOpt::Level	OptLevel,
		TargetSubtargetInfo::AntiDepBreakMode &	Mode,
		RegClassVector &	CriticalPathRCs
	)		const

enablePostRAScheduler - True at 'More' optimization.

Definition at line 134 of file PPCSubtarget.cpp.

References llvm::TargetSubtargetInfo::ANTIDEP_CRITICAL, llvm::Reloc::Default, and isPPC64().

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

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

Definition at line 118 of file PPCSubtarget.h.

References DarwinDirective.

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

const char* llvm::PPCSubtarget::getDataLayoutString ( ) const [inline]

getDataLayoutString - Return the pointer size and type alignment properties of this subtarget.

Definition at line 126 of file PPCSubtarget.h.

References llvm::Triple::FreeBSD, llvm::Triple::getOS(), isPPC64(), isSVR4ABI(), and TargetTriple.

const InstrItineraryData& llvm::PPCSubtarget::getInstrItineraryData ( ) const [inline]

getInstrItins - Return the instruction itineraies based on subtarget selection.

Definition at line 122 of file PPCSubtarget.h.

References InstrItins.

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 114 of file PPCSubtarget.h.

References StackAlignment.

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

Definition at line 181 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 146 of file PPCSubtarget.h.

References Has64BitSupport.

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

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

Definition at line 173 of file PPCSubtarget.h.

References HasAltivec.

Referenced by llvm::PPCRegisterInfo::getNoPreservedMask(), and llvm::PPCTargetLowering::PPCTargetLowering().

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

Definition at line 172 of file PPCSubtarget.h.

References HasFPCVT.

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

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

Definition at line 171 of file PPCSubtarget.h.

References HasFPRND.

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

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

Definition at line 164 of file PPCSubtarget.h.

References HasFRE.

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

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

Definition at line 165 of file PPCSubtarget.h.

References HasFRES.

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

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

Definition at line 166 of file PPCSubtarget.h.

References HasFRSQRTE.

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

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

Definition at line 167 of file PPCSubtarget.h.

References HasFRSQRTES.

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

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

Definition at line 163 of file PPCSubtarget.h.

References HasFSQRT.

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

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

Definition at line 176 of file PPCSubtarget.h.

References HasISEL.

Referenced by llvm::PPCInstrInfo::canInsertSelect(), llvm::PPCTargetLowering::EmitInstrWithCustomInserter(), 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 120 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 178 of file PPCSubtarget.h.

References HasLDBRX.

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

Definition at line 170 of file PPCSubtarget.h.

References HasLFIWAX.

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

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

Definition at line 175 of file PPCSubtarget.h.

References HasMFOCRF.

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

Definition at line 177 of file PPCSubtarget.h.

References HasPOPCNTD.

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

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

Definition at line 174 of file PPCSubtarget.h.

References HasQPX.

Referenced by PPCSubtarget().

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

Definition at line 168 of file PPCSubtarget.h.

References HasRecipPrec.

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

Definition at line 169 of file PPCSubtarget.h.

References HasSTFIWX.

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

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

isBGP - True if this is a BG/P platform.

Definition at line 186 of file PPCSubtarget.h.

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

Referenced by llvm::PPCTargetMachine::PPCTargetMachine().

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

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

Definition at line 188 of file PPCSubtarget.h.

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

Referenced by PPCSubtarget().

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

Definition at line 179 of file PPCSubtarget.h.

References IsBookE.

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

isDarwin - True if this is any darwin platform.

Definition at line 184 of file PPCSubtarget.h.

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

Referenced by createPPCAsmPrinterPass(), CreateTLOF(), llvm::PPCTargetLowering::getByValTypeAlignment(), llvm::PPCRegisterInfo::getNoPreservedMask(), isDarwinABI(), isSVR4ABI(), PPCSubtarget(), and llvm::PPCTargetLowering::PPCTargetLowering().

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

Definition at line 190 of file PPCSubtarget.h.

References isDarwin().

Referenced by llvm::PPCFrameLowering::determineFrameLayout(), llvm::PPCFrameLowering::emitEpilogue(), llvm::PPCJITInfo::emitFunctionStub(), llvm::PPCFrameLowering::emitPrologue(), llvm::PPCRegisterInfo::getCalleeSavedRegs(), llvm::PPCFrameLowering::getCalleeSavedSpillSlots(), llvm::PPCRegisterInfo::getCallPreservedMask(), and llvm::PPCFrameLowering::processFunctionBeforeCalleeSavedScan().

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

Definition at line 160 of file PPCSubtarget.h.

References IsJITCodeModel.

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

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

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

Definition at line 142 of file PPCSubtarget.h.

References IsPPC64.

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

Definition at line 191 of file PPCSubtarget.h.

References isDarwin().

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

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

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

Referenced by PPCSubtarget().

void PPCSubtarget::SetJITMode ( )

SetJITMode - This is called to inform the subtarget info that we are producing code for the JIT.

Definition at line 106 of file PPCSubtarget.cpp.

References HasLazyResolverStubs, and IsJITCodeModel.

Referenced by llvm::PPCTargetMachine::addCodeEmitter().

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 151 of file PPCSubtarget.h.

References Use64BitRegs.

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