llvm::HexagonSubtarget Class Reference

#include "Target/Hexagon/HexagonSubtarget.h"

Inheritance diagram for llvm::HexagonSubtarget:

Collaboration diagram for llvm::HexagonSubtarget:

Classes
struct	BankConflictMutation
struct	CallMutation
struct	HVXMemLatencyMutation
struct	UsrOverflowMutation

Public Member Functions
	HexagonSubtarget (const Triple &TT, StringRef CPU, StringRef FS, const TargetMachine &TM)
const InstrItineraryData *	getInstrItineraryData () const override
	getInstrItins - Return the instruction itineraries based on subtarget selection. More...
const HexagonInstrInfo *	getInstrInfo () const override
const HexagonRegisterInfo *	getRegisterInfo () const override
const HexagonTargetLowering *	getTargetLowering () const override
const HexagonFrameLowering *	getFrameLowering () const override
const HexagonSelectionDAGInfo *	getSelectionDAGInfo () const override
HexagonSubtarget &	initializeSubtargetDependencies (StringRef CPU, StringRef FS)
void	ParseSubtargetFeatures (StringRef CPU, StringRef FS)
	ParseSubtargetFeatures - Parses features string setting specified subtarget options. More...
bool	useMemOps () const
bool	hasV5TOps () const
bool	hasV5TOpsOnly () const
bool	hasV55TOps () const
bool	hasV55TOpsOnly () const
bool	hasV60TOps () const
bool	hasV60TOpsOnly () const
bool	hasV62TOps () const
bool	hasV62TOpsOnly () const
bool	modeIEEERndNear () const
bool	useHVXOps () const
bool	useHVX128BOps () const
bool	useHVX64BOps () const
bool	useLongCalls () const
bool	usePredicatedCalls () const
bool	useBSBScheduling () const
bool	enableMachineScheduler () const override
bool	enableMachineSchedDefaultSched () const override
AntiDepBreakMode	getAntiDepBreakMode () const override
bool	enablePostRAScheduler () const override
bool	enableSubRegLiveness () const override
const std::string &	getCPUString () const
unsigned	getSmallDataThreshold () const
const Hexagon::ArchEnum &	getHexagonArchVersion () const
void	getPostRAMutations (std::vector< std::unique_ptr< ScheduleDAGMutation >> &Mutations) const override
void	getSMSMutations (std::vector< std::unique_ptr< ScheduleDAGMutation >> &Mutations) const override
void	adjustSchedDependency (SUnit *def, SUnit *use, SDep &dep) const override
	Perform target specific adjustments to the latency of a schedule dependency. More...
unsigned	getL1CacheLineSize () const
unsigned	getL1PrefetchDistance () const

Public Attributes
Hexagon::ArchEnum	HexagonArchVersion
Hexagon::ArchEnum	HexagonHVXVersion = Hexagon::ArchEnum::V4
bool	UseBSBScheduling
	True if the target should use Back-Skip-Back scheduling. More...

Detailed Description

Definition at line 46 of file HexagonSubtarget.h.

Constructor & Destructor Documentation

HexagonSubtarget()

HexagonSubtarget::HexagonSubtarget	(	const Triple &	TT,
		StringRef	CPU,
		StringRef	FS,
		const TargetMachine &	TM
	)

Definition at line 93 of file HexagonSubtarget.cpp.

References assert(), and llvm::InstrItineraryData::Itineraries.

Member Function Documentation

adjustSchedDependency()

void HexagonSubtarget::adjustSchedDependency ( SUnit *  Src, SUnit *  Dst, SDep &  Dep  ) const

override

Perform target specific adjustments to the latency of a schedule dependency.

Definition at line 299 of file HexagonSubtarget.cpp.

References llvm::HexagonInstrInfo::canExecuteInBundle(), llvm::SmallSet< T, N, C >::clear(), EnableDotCurSched, llvm::SUnit::getInstr(), getInstrInfo(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::HexagonInstrInfo::getOperandLatency(), llvm::MachineOperand::getReg(), hasV60TOps(), llvm::SUnit::isInstr(), llvm::MachineOperand::isReg(), llvm::MachineInstr::isRegSequence(), llvm::HexagonInstrInfo::isToBeScheduledASAP(), llvm::MachineOperand::isUse(), llvm::SUnit::NumSuccs, llvm::SDep::setLatency(), and llvm::SUnit::Succs.

Referenced by getHexagonArchVersion().

enableMachineSchedDefaultSched()

bool llvm::HexagonSubtarget::enableMachineSchedDefaultSched ( ) const

inlineoverride

Definition at line 154 of file HexagonSubtarget.h.

enableMachineScheduler()

bool HexagonSubtarget::enableMachineScheduler ( ) const

override

Definition at line 366 of file HexagonSubtarget.cpp.

References DisableHexagonMISched.

Referenced by useBSBScheduling().

enablePostRAScheduler()

bool llvm::HexagonSubtarget::enablePostRAScheduler ( ) const

inlineoverride

Definition at line 157 of file HexagonSubtarget.h.

References enableSubRegLiveness().

enableSubRegLiveness()

bool HexagonSubtarget::enableSubRegLiveness ( ) const

override

Definition at line 555 of file HexagonSubtarget.cpp.

References EnableSubregLiveness.

Referenced by enablePostRAScheduler().

getAntiDepBreakMode()

AntiDepBreakMode llvm::HexagonSubtarget::getAntiDepBreakMode ( ) const

inlineoverride

Definition at line 156 of file HexagonSubtarget.h.

getCPUString()

const std::string& llvm::HexagonSubtarget::getCPUString ( ) const

inline

Definition at line 161 of file HexagonSubtarget.h.

getFrameLowering()

const HexagonFrameLowering* llvm::HexagonSubtarget::getFrameLowering ( ) const

inlineoverride

Definition at line 101 of file HexagonSubtarget.h.

Referenced by doesIntrinsicReturnPredicate(), isMemOPCandidate(), llvm::HexagonInstrInfo::loadRegFromStackSlot(), and llvm::HexagonInstrInfo::storeRegToStackSlot().

getHexagonArchVersion()

const Hexagon::ArchEnum& llvm::HexagonSubtarget::getHexagonArchVersion ( ) const

inline

Definition at line 168 of file HexagonSubtarget.h.

References adjustSchedDependency(), getL1CacheLineSize(), getL1PrefetchDistance(), getPostRAMutations(), getSMSMutations(), HexagonArchVersion, TII, and use.

Referenced by llvm::HexagonRegisterInfo::getCalleeSavedRegs(), hasV55TOps(), hasV55TOpsOnly(), hasV5TOps(), hasV5TOpsOnly(), hasV60TOps(), hasV60TOpsOnly(), hasV62TOps(), and hasV62TOpsOnly().

getInstrInfo()

const HexagonInstrInfo* llvm::HexagonSubtarget::getInstrInfo ( ) const

inlineoverride

Definition at line 94 of file HexagonSubtarget.h.

Referenced by adjustSchedDependency(), llvm::HexagonSubtarget::CallMutation::apply(), llvm::HexagonRegisterInfo::eliminateFrameIndex(), llvm::HexagonAsmPrinter::EmitInstruction(), llvm::HexagonFrameLowering::emitPrologue(), llvm::HexagonFrameLowering::getFrameIndexReference(), INITIALIZE_PASS(), llvm::HexagonFrameLowering::insertCFIInstructions(), llvm::ConvergingVLIWScheduler::pickNodeFromQueue(), llvm::ConvergingVLIWScheduler::SchedulingCost(), usePredicatedCalls(), and UseReg().

getInstrItineraryData()

const InstrItineraryData* llvm::HexagonSubtarget::getInstrItineraryData ( ) const

inlineoverride

getInstrItins - Return the instruction itineraries based on subtarget selection.

Definition at line 91 of file HexagonSubtarget.h.

getL1CacheLineSize()

unsigned HexagonSubtarget::getL1CacheLineSize

(

)

const

Definition at line 547 of file HexagonSubtarget.cpp.

Referenced by llvm::HexagonTTIImpl::getCacheLineSize(), and getHexagonArchVersion().

getL1PrefetchDistance()

unsigned HexagonSubtarget::getL1PrefetchDistance

(

)

const

Definition at line 551 of file HexagonSubtarget.cpp.

Referenced by getHexagonArchVersion(), and llvm::HexagonTTIImpl::getPrefetchDistance().

getPostRAMutations()

void HexagonSubtarget::getPostRAMutations ( std::vector< std::unique_ptr< ScheduleDAGMutation >> &  Mutations ) const

override

Definition at line 350 of file HexagonSubtarget.cpp.

Referenced by getHexagonArchVersion().

getRegisterInfo()

const HexagonRegisterInfo* llvm::HexagonSubtarget::getRegisterInfo ( ) const

inlineoverride

Definition at line 95 of file HexagonSubtarget.h.

Referenced by llvm::HexagonInstrInfo::copyPhysReg(), llvm::HexagonInstrInfo::DefinesPredicate(), llvm::HexagonInstrInfo::expandPostRAPseudo(), getInstrVecReg(), llvm::HexagonTargetLowering::HexagonTargetLowering(), llvm::HexagonInstrInfo::reduceLoopCount(), and UseReg().

getSelectionDAGInfo()

const HexagonSelectionDAGInfo* llvm::HexagonSubtarget::getSelectionDAGInfo ( ) const

inlineoverride

Definition at line 104 of file HexagonSubtarget.h.

References initializeSubtargetDependencies(), and ParseSubtargetFeatures().

getSmallDataThreshold()

unsigned llvm::HexagonSubtarget::getSmallDataThreshold ( ) const

inline

Definition at line 164 of file HexagonSubtarget.h.

References Hexagon_SMALL_DATA_THRESHOLD.

getSMSMutations()

void HexagonSubtarget::getSMSMutations ( std::vector< std::unique_ptr< ScheduleDAGMutation >> &  Mutations ) const

override

Definition at line 357 of file HexagonSubtarget.cpp.

Referenced by getHexagonArchVersion().

getTargetLowering()

const HexagonTargetLowering* llvm::HexagonSubtarget::getTargetLowering ( ) const

inlineoverride

Definition at line 98 of file HexagonSubtarget.h.

hasV55TOps()

bool llvm::HexagonSubtarget::hasV55TOps ( ) const

inline

Definition at line 122 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V55.

hasV55TOpsOnly()

bool llvm::HexagonSubtarget::hasV55TOpsOnly ( ) const

inline

Definition at line 125 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V55.

hasV5TOps()

bool llvm::HexagonSubtarget::hasV5TOps ( ) const

inline

Definition at line 116 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V5.

Referenced by llvm::HexagonTargetLowering::HexagonTargetLowering(), and llvm::HexagonTargetLowering::isFPImmLegal().

hasV5TOpsOnly()

bool llvm::HexagonSubtarget::hasV5TOpsOnly ( ) const

inline

Definition at line 119 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V5.

hasV60TOps()

bool llvm::HexagonSubtarget::hasV60TOps ( ) const

inline

Definition at line 128 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V60.

Referenced by adjustSchedDependency(), llvm::HexagonTargetLowering::findRepresentativeClass(), llvm::HexagonTargetLowering::getRegForInlineAsmConstraint(), getZeroLatency(), llvm::HexagonTargetLowering::HexagonTargetLowering(), initializeSubtargetDependencies(), and usePredicatedCalls().

hasV60TOpsOnly()

bool llvm::HexagonSubtarget::hasV60TOpsOnly ( ) const

inline

Definition at line 131 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V60.

Referenced by cannotCoexistAsymm().

hasV62TOps()

bool llvm::HexagonSubtarget::hasV62TOps ( ) const

inline

Definition at line 134 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V62.

Referenced by llvm::HexagonInstrInfo::isPredicable().

hasV62TOpsOnly()

bool llvm::HexagonSubtarget::hasV62TOpsOnly ( ) const

inline

Definition at line 137 of file HexagonSubtarget.h.

References getHexagonArchVersion(), and llvm::Hexagon::V62.

initializeSubtargetDependencies()

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

Definition at line 106 of file HexagonSubtarget.cpp.

References DisableMemOps, EnableBSBSched, EnableIEEERndNear, EnableMemOps, false, hasV60TOps(), HexagonArchVersion, llvm_unreachable, OverrideLongCalls, ParseSubtargetFeatures(), UseBSBScheduling, llvm::Hexagon::V4, llvm::Hexagon::V5, llvm::Hexagon::V55, llvm::Hexagon::V60, and llvm::Hexagon::V62.

Referenced by getSelectionDAGInfo().

modeIEEERndNear()

bool llvm::HexagonSubtarget::modeIEEERndNear ( ) const

inline

Definition at line 141 of file HexagonSubtarget.h.

ParseSubtargetFeatures()

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

ParseSubtargetFeatures - Parses features string setting specified subtarget options.

Definition of function is auto generated by tblgen.

Referenced by getSelectionDAGInfo(), and initializeSubtargetDependencies().

useBSBScheduling()

bool llvm::HexagonSubtarget::useBSBScheduling ( ) const

inline

Definition at line 148 of file HexagonSubtarget.h.

References enableMachineScheduler(), and UseBSBScheduling.

Referenced by usePredicatedCalls().

useHVX128BOps()

bool llvm::HexagonSubtarget::useHVX128BOps ( ) const

inline

Definition at line 143 of file HexagonSubtarget.h.

References useHVXOps().

Referenced by llvm::HexagonTargetLowering::findRepresentativeClass(), getIndexedAddressParts(), llvm::HexagonTargetLowering::getRegForInlineAsmConstraint(), llvm::HexagonTargetLowering::HexagonTargetLowering(), llvm::HexagonTargetLowering::LowerCONCAT_VECTORS(), and llvm::HexagonTargetLowering::LowerVECTOR_SHUFFLE().

useHVX64BOps()

bool llvm::HexagonSubtarget::useHVX64BOps ( ) const

inline

Definition at line 144 of file HexagonSubtarget.h.

References useHVXOps().

Referenced by llvm::HexagonTargetLowering::HexagonTargetLowering(), llvm::HexagonTargetLowering::LowerCONCAT_VECTORS(), llvm::HexagonTargetLowering::LowerEXTRACT_SUBVECTOR_HVX(), and llvm::HexagonTargetLowering::LowerVECTOR_SHUFFLE().

useHVXOps()

bool llvm::HexagonSubtarget::useHVXOps ( ) const

inline

Definition at line 142 of file HexagonSubtarget.h.

References llvm::Hexagon::V4.

Referenced by llvm::HexagonTargetLowering::findRepresentativeClass(), llvm::HexagonTargetLowering::getConstraintType(), llvm::HexagonTargetLowering::HexagonTargetLowering(), llvm::HexagonTargetLowering::isShuffleMaskLegal(), llvm::HexagonTargetLowering::LowerCONCAT_VECTORS(), llvm::HexagonTargetLowering::LowerEXTRACT_SUBVECTOR_HVX(), llvm::HexagonTargetLowering::LowerEXTRACT_VECTOR(), llvm::HexagonTargetLowering::LowerVECTOR_SHUFFLE(), useHVX128BOps(), useHVX64BOps(), and UseReg().

useLongCalls()

bool llvm::HexagonSubtarget::useLongCalls ( ) const

inline

Definition at line 145 of file HexagonSubtarget.h.

References usePredicatedCalls().

useMemOps()

bool llvm::HexagonSubtarget::useMemOps ( ) const

inline

Definition at line 115 of file HexagonSubtarget.h.

usePredicatedCalls()

bool HexagonSubtarget::usePredicatedCalls

(

)

const

Definition at line 372 of file HexagonSubtarget.cpp.

References assert(), EnablePredicatedCalls, F(), llvm::find(), llvm::SUnit::getInstr(), getInstrInfo(), llvm::SDep::getLatency(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::HexagonInstrInfo::getOperandLatency(), llvm::MachineOperand::getReg(), hasV60TOps(), I, llvm::SDep::isArtificial(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), llvm::MachineOperand::isUse(), llvm::Latency, llvm::SUnit::Preds, llvm::SDep::setLatency(), llvm::SDep::setSUnit(), llvm::SUnit::Succs, T, and useBSBScheduling().

Referenced by llvm::HexagonInstrInfo::isPredicable(), and useLongCalls().

Member Data Documentation

HexagonArchVersion

Hexagon::ArchEnum llvm::HexagonSubtarget::HexagonArchVersion

Definition at line 54 of file HexagonSubtarget.h.

Referenced by getHexagonArchVersion(), and initializeSubtargetDependencies().

HexagonHVXVersion

Hexagon::ArchEnum llvm::HexagonSubtarget::HexagonHVXVersion = Hexagon::ArchEnum::V4

Definition at line 55 of file HexagonSubtarget.h.

UseBSBScheduling

bool llvm::HexagonSubtarget::UseBSBScheduling

True if the target should use Back-Skip-Back scheduling.

This is the default for V60.

Definition at line 58 of file HexagonSubtarget.h.

Referenced by initializeSubtargetDependencies(), and useBSBScheduling().

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

• lib/Target/Hexagon/HexagonSubtarget.h
• lib/Target/Hexagon/HexagonSubtarget.cpp