llvm::MCSubtargetInfo Class Reference

#include <MCSubtargetInfo.h>

Inheritance diagram for llvm::MCSubtargetInfo:

Public Member Functions
void	InitMCSubtargetInfo (StringRef TT, StringRef CPU, StringRef FS, const SubtargetFeatureKV *PF, const SubtargetFeatureKV *PD, const SubtargetInfoKV *ProcSched, const MCWriteProcResEntry *WPR, const MCWriteLatencyEntry *WL, const MCReadAdvanceEntry *RA, const InstrStage *IS, const unsigned *OC, const unsigned *FP, unsigned NF, unsigned NP)
StringRef	getTargetTriple () const
	getTargetTriple - Return the target triple string. More...
uint64_t	getFeatureBits () const
void	InitMCProcessorInfo (StringRef CPU, StringRef FS)
void	InitCPUSchedModel (StringRef CPU)
	InitCPUSchedModel - Recompute scheduling model based on CPU. More...
uint64_t	ToggleFeature (uint64_t FB)
uint64_t	ToggleFeature (StringRef FS)
const MCSchedModel *	getSchedModelForCPU (StringRef CPU) const
const MCSchedModel *	getSchedModel () const
const MCWriteProcResEntry *	getWriteProcResBegin (const MCSchedClassDesc *SC) const
const MCWriteProcResEntry *	getWriteProcResEnd (const MCSchedClassDesc *SC) const
const MCWriteLatencyEntry *	getWriteLatencyEntry (const MCSchedClassDesc *SC, unsigned DefIdx) const
int	getReadAdvanceCycles (const MCSchedClassDesc *SC, unsigned UseIdx, unsigned WriteResID) const
InstrItineraryData	getInstrItineraryForCPU (StringRef CPU) const
void	initInstrItins (InstrItineraryData &InstrItins) const
	Initialize an InstrItineraryData instance. More...

Detailed Description

MCSubtargetInfo - Generic base class for all target subtargets.

Definition at line 29 of file MCSubtargetInfo.h.

Member Function Documentation

uint64_t llvm::MCSubtargetInfo::getFeatureBits ( ) const

inline

getFeatureBits - Return the feature bits.

Definition at line 67 of file MCSubtargetInfo.h.

Referenced by llvm::AArch64InstPrinter::AArch64InstPrinter(), llvm::ARMInstPrinter::ARMInstPrinter(), createAMDGPUMCCodeEmitter(), llvm::MCInstrDesc::getDeprecatedInfo(), getITDeprecationInfo(), getMCRDeprecationInfo(), and llvm::NVPTXInstPrinter::NVPTXInstPrinter().

InstrItineraryData MCSubtargetInfo::getInstrItineraryForCPU

(

StringRef

CPU

)

const

getInstrItineraryForCPU - Get scheduling itinerary of a CPU.

Definition at line 112 of file MCSubtargetInfo.cpp.

References getSchedModelForCPU().

Referenced by getItineraryLatency().

int llvm::MCSubtargetInfo::getReadAdvanceCycles ( const MCSchedClassDesc *  SC, unsigned  UseIdx, unsigned  WriteResID  ) const

inline

Definition at line 113 of file MCSubtargetInfo.h.

References I, llvm::MCSchedClassDesc::NumReadAdvanceEntries, and llvm::MCSchedClassDesc::ReadAdvanceIdx.

Referenced by llvm::TargetSchedModel::computeOperandLatency().

const MCSchedModel* llvm::MCSubtargetInfo::getSchedModel ( ) const

inline

getSchedModel - Get the machine model for this subtarget's CPU.

Definition at line 92 of file MCSubtargetInfo.h.

Referenced by getLatency(), and llvm::ScheduleDAGInstrs::ScheduleDAGInstrs().

const MCSchedModel * MCSubtargetInfo::getSchedModelForCPU

(

StringRef

CPU

)

const

getSchedModelForCPU - Get the machine model of a CPU.

Definition at line 88 of file MCSubtargetInfo.cpp.

References llvm::MCSchedModel::DefaultSchedModel, llvm::errs(), llvm::SubtargetInfoKV::Key, llvm::LibFunc::strcmp, and llvm::SubtargetInfoKV::Value.

Referenced by getInstrItineraryForCPU(), and InitCPUSchedModel().

StringRef llvm::MCSubtargetInfo::getTargetTriple ( ) const

inline

getTargetTriple - Return the target triple string.

Definition at line 61 of file MCSubtargetInfo.h.

Referenced by createPPCMCInstPrinter().

const MCWriteLatencyEntry* llvm::MCSubtargetInfo::getWriteLatencyEntry ( const MCSchedClassDesc *  SC, unsigned  DefIdx  ) const

inline

Definition at line 105 of file MCSubtargetInfo.h.

References llvm::MCSchedClassDesc::WriteLatencyIdx.

Referenced by llvm::TargetSchedModel::computeInstrLatency(), llvm::TargetSchedModel::computeOperandLatency(), and getLatency().

const MCWriteProcResEntry* llvm::MCSubtargetInfo::getWriteProcResBegin ( const MCSchedClassDesc *  SC ) const

inline

Return an iterator at the first process resource consumed by the given scheduling class.

Definition at line 96 of file MCSubtargetInfo.h.

References llvm::MCSchedClassDesc::WriteProcResIdx.

Referenced by llvm::TargetSchedModel::computeOutputLatency(), llvm::TargetSchedModel::getWriteProcResBegin(), and getWriteProcResEnd().

const MCWriteProcResEntry* llvm::MCSubtargetInfo::getWriteProcResEnd ( const MCSchedClassDesc *  SC ) const

inline

Definition at line 100 of file MCSubtargetInfo.h.

References getWriteProcResBegin(), and llvm::MCSchedClassDesc::NumWriteProcResEntries.

Referenced by llvm::TargetSchedModel::computeOutputLatency(), and llvm::TargetSchedModel::getWriteProcResEnd().

void MCSubtargetInfo::InitCPUSchedModel

(

StringRef

CPU

)

InitCPUSchedModel - Recompute scheduling model based on CPU.

Definition at line 34 of file MCSubtargetInfo.cpp.

References llvm::MCSchedModel::DefaultSchedModel, llvm::StringRef::empty(), and getSchedModelForCPU().

Referenced by InitMCProcessorInfo().

void MCSubtargetInfo::initInstrItins

(

InstrItineraryData &

InstrItins

)

const

Initialize an InstrItineraryData instance.

Definition at line 118 of file MCSubtargetInfo.cpp.

Referenced by llvm::TargetSchedModel::init().

void MCSubtargetInfo::InitMCProcessorInfo	(	StringRef	CPU,
		StringRef	FS
	)

InitMCProcessorInfo - Set or change the CPU (optionally supplemented with feature string). Recompute feature bits and scheduling model.

Definition at line 25 of file MCSubtargetInfo.cpp.

References llvm::SubtargetFeatures::getFeatureBits(), and InitCPUSchedModel().

Referenced by InitMCSubtargetInfo().

void MCSubtargetInfo::InitMCSubtargetInfo	(	StringRef	TT,
		StringRef	CPU,
		StringRef	FS,
		const SubtargetFeatureKV *	PF,
		const SubtargetFeatureKV *	PD,
		const SubtargetInfoKV *	ProcSched,
		const MCWriteProcResEntry *	WPR,
		const MCWriteLatencyEntry *	WL,
		const MCReadAdvanceEntry *	RA,
		const InstrStage *	IS,
		const unsigned *	OC,
		const unsigned *	FP,
		unsigned	NF,
		unsigned	NP
	)

Definition at line 42 of file MCSubtargetInfo.cpp.

References InitMCProcessorInfo(), and llvm::SystemZISD::OC.

uint64_t MCSubtargetInfo::ToggleFeature

(

uint64_t

FB

)

ToggleFeature - Toggle a feature and returns the re-computed feature bits. This version does not change the implied bits.

Definition at line 72 of file MCSubtargetInfo.cpp.

uint64_t MCSubtargetInfo::ToggleFeature

(

StringRef

FS

)

ToggleFeature - Toggle a feature and returns the re-computed feature bits. This version will also change all implied bits.

Definition at line 79 of file MCSubtargetInfo.cpp.

References llvm::SubtargetFeatures::ToggleFeature().

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The documentation for this class was generated from the following files:

• MCSubtargetInfo.h
• MCSubtargetInfo.cpp