#include "Target/AMDGPU/AMDGPUSubtarget.h"

Inheritance diagram for llvm::AMDGPUSubtarget:

Collaboration diagram for llvm::AMDGPUSubtarget:

[legend]

Public Types
enum	Generation { R600 = 0, R700, EVERGREEN, NORTHERN_ISLANDS, SOUTHERN_ISLANDS, SEA_ISLANDS, VOLCANIC_ISLANDS, GFX9 }

enum	{ ISAVersion0_0_0, ISAVersion6_0_0, ISAVersion6_0_1, ISAVersion7_0_0, ISAVersion7_0_1, ISAVersion7_0_2, ISAVersion7_0_3, ISAVersion7_0_4, ISAVersion8_0_1, ISAVersion8_0_2, ISAVersion8_0_3, ISAVersion8_1_0, ISAVersion9_0_0, ISAVersion9_0_2, ISAVersion9_0_4, ISAVersion9_0_6 }

enum	TrapHandlerAbi { TrapHandlerAbiNone = 0, TrapHandlerAbiHsa = 1 }

enum	TrapID { TrapIDHardwareReserved = 0, TrapIDHSADebugTrap = 1, TrapIDLLVMTrap = 2, TrapIDLLVMDebugTrap = 3, TrapIDDebugBreakpoint = 7, TrapIDDebugReserved8 = 8, TrapIDDebugReservedFE = 0xfe, TrapIDDebugReservedFF = 0xff }

enum	TrapRegValues { LLVMTrapHandlerRegValue = 1 }

Public Member Functions
	AMDGPUSubtarget (const Triple &TT, StringRef GPU, StringRef FS, const TargetMachine &TM)

	~AMDGPUSubtarget () override

AMDGPUSubtarget &	initializeSubtargetDependencies (const Triple &TT, StringRef GPU, StringRef FS)

const AMDGPUInstrInfo *	getInstrInfo () const override=0

const AMDGPUFrameLowering *	getFrameLowering () const override=0

const AMDGPUTargetLowering *	getTargetLowering () const override=0

const AMDGPURegisterInfo *	getRegisterInfo () const override=0

const InstrItineraryData *	getInstrItineraryData () const override

const SelectionDAGTargetInfo *	getSelectionDAGInfo () const override

void	ParseSubtargetFeatures (StringRef CPU, StringRef FS)

bool	isAmdHsaOS () const

bool	isMesa3DOS () const

bool	isAmdPalOS () const

Generation	getGeneration () const

unsigned	getWavefrontSize () const

unsigned	getWavefrontSizeLog2 () const

int	getLocalMemorySize () const

int	getLDSBankCount () const

unsigned	getMaxPrivateElementSize () const

AMDGPUAS	getAMDGPUAS () const

bool	has16BitInsts () const

bool	hasIntClamp () const

bool	hasVOP3PInsts () const

bool	hasFP64 () const

bool	hasMIMG_R128 () const

bool	hasFastFMAF32 () const

bool	hasHalfRate64Ops () const

bool	hasAddr64 () const

bool	hasBFE () const

bool	hasBFI () const

bool	hasBFM () const

bool	hasBCNT (unsigned Size) const

bool	hasMulU24 () const

bool	hasMulI24 () const

bool	hasFFBL () const

bool	hasFFBH () const

bool	hasMed3_16 () const

bool	hasMin3Max3_16 () const

bool	hasMadMixInsts () const

bool	hasFmaMixInsts () const

bool	hasCARRY () const

bool	hasBORROW () const

bool	hasCaymanISA () const

bool	hasFMA () const

TrapHandlerAbi	getTrapHandlerAbi () const

bool	enableHugePrivateBuffer () const

bool	isPromoteAllocaEnabled () const

bool	unsafeDSOffsetFoldingEnabled () const

bool	dumpCode () const

unsigned	getMaxLocalMemSizeWithWaveCount (unsigned WaveCount, const Function &) const
	Return the amount of LDS that can be used that will not restrict the occupancy lower than WaveCount. More...

unsigned	getOccupancyWithLocalMemSize (uint32_t Bytes, const Function &) const
	Inverse of getMaxLocalMemWithWaveCount. More...

unsigned	getOccupancyWithLocalMemSize (const MachineFunction &MF) const

bool	hasFP16Denormals () const

bool	hasFP32Denormals () const

bool	hasFP64Denormals () const

bool	supportsMinMaxDenormModes () const

bool	hasFPExceptions () const

bool	enableDX10Clamp () const

bool	enableIEEEBit (const MachineFunction &MF) const

bool	useFlatForGlobal () const

bool	useDS128 () const

bool	privateMemoryResourceIsRangeChecked () const

bool	hasAutoWaitcntBeforeBarrier () const

bool	hasCodeObjectV3 () const

bool	hasUnalignedBufferAccess () const

bool	hasUnalignedScratchAccess () const

bool	hasApertureRegs () const

bool	isTrapHandlerEnabled () const

bool	isXNACKEnabled () const

bool	hasFlatAddressSpace () const

bool	hasFlatInstOffsets () const

bool	hasFlatGlobalInsts () const

bool	hasFlatScratchInsts () const

bool	hasFlatLgkmVMemCountInOrder () const

bool	hasD16LoadStore () const

bool	ldsRequiresM0Init () const
	Return if most LDS instructions have an m0 use that require m0 to be iniitalized. More...

bool	hasAddNoCarry () const

bool	hasUnpackedD16VMem () const

bool	isMesaKernel (const Function &F) const

bool	isMesaGfxShader (const Function &F) const

bool	isAmdCodeObjectV2 (const Function &F) const

bool	hasMad64_32 () const

bool	hasFminFmaxLegacy () const

bool	hasSDWA () const

bool	hasSDWAOmod () const

bool	hasSDWAScalar () const

bool	hasSDWASdst () const

bool	hasSDWAMac () const

bool	hasSDWAOutModsVOPC () const

bool	vmemWriteNeedsExpWaitcnt () const

bool	hasDLInsts () const

bool	d16PreservesUnusedBits () const

unsigned	getExplicitKernelArgOffset (const Function &F) const
	Returns the offset in bytes from the start of the input buffer of the first explicit kernel argument. More...

unsigned	getAlignmentForImplicitArgPtr () const

unsigned	getImplicitArgNumBytes (const Function &F) const

unsigned	getStackAlignment () const

bool	enableMachineScheduler () const override

bool	enableSubRegLiveness () const override

void	setScalarizeGlobalBehavior (bool b)

bool	getScalarizeGlobalBehavior () const

unsigned	getEUsPerCU () const

unsigned	getMaxWorkGroupsPerCU (unsigned FlatWorkGroupSize) const

unsigned	getMaxWavesPerCU () const

unsigned	getMaxWavesPerCU (unsigned FlatWorkGroupSize) const

unsigned	getMinWavesPerEU () const

unsigned	getMaxWavesPerEU () const

unsigned	getMaxWavesPerEU (unsigned FlatWorkGroupSize) const

unsigned	getMinFlatWorkGroupSize () const

unsigned	getMaxFlatWorkGroupSize () const

unsigned	getWavesPerWorkGroup (unsigned FlatWorkGroupSize) const

std::pair< unsigned, unsigned >	getDefaultFlatWorkGroupSize (CallingConv::ID CC) const

std::pair< unsigned, unsigned >	getFlatWorkGroupSizes (const Function &F) const

std::pair< unsigned, unsigned >	getWavesPerEU (const Function &F) const

bool	makeLIDRangeMetadata (Instruction *I) const
	Creates value range metadata on an workitemid.* inrinsic call or load. More...

Protected Attributes
Triple	TargetTriple

Generation	Gen

unsigned	IsaVersion

unsigned	WavefrontSize

int	LocalMemorySize

int	LDSBankCount

unsigned	MaxPrivateElementSize

bool	FastFMAF32

bool	HalfRate64Ops

bool	FP32Denormals

bool	FP64FP16Denormals

bool	FPExceptions

bool	DX10Clamp

bool	FlatForGlobal

bool	AutoWaitcntBeforeBarrier

bool	CodeObjectV3

bool	UnalignedScratchAccess

bool	UnalignedBufferAccess

bool	HasApertureRegs

bool	EnableXNACK

bool	TrapHandler

bool	DebuggerInsertNops

bool	DebuggerEmitPrologue

bool	EnableHugePrivateBuffer

bool	EnableVGPRSpilling

bool	EnablePromoteAlloca

bool	EnableLoadStoreOpt

bool	EnableUnsafeDSOffsetFolding

bool	EnableSIScheduler

bool	EnableDS128

bool	DumpCode

bool	FP64

bool	FMA

bool	MIMG_R128

bool	IsGCN

bool	GCN3Encoding

bool	CIInsts

bool	GFX9Insts

bool	SGPRInitBug

bool	HasSMemRealTime

bool	Has16BitInsts

bool	HasIntClamp

bool	HasVOP3PInsts

bool	HasMadMixInsts

bool	HasFmaMixInsts

bool	HasMovrel

bool	HasVGPRIndexMode

bool	HasScalarStores

bool	HasScalarAtomics

bool	HasInv2PiInlineImm

bool	HasSDWA

bool	HasSDWAOmod

bool	HasSDWAScalar

bool	HasSDWASdst

bool	HasSDWAMac

bool	HasSDWAOutModsVOPC

bool	HasDPP

bool	HasDLInsts

bool	D16PreservesUnusedBits

bool	FlatAddressSpace

bool	FlatInstOffsets

bool	FlatGlobalInsts

bool	FlatScratchInsts

bool	AddNoCarryInsts

bool	HasUnpackedD16VMem

bool	R600ALUInst

bool	CaymanISA

bool	CFALUBug

bool	HasVertexCache

short	TexVTXClauseSize

bool	ScalarizeGlobal

bool	FeatureDisable

InstrItineraryData	InstrItins

SelectionDAGTargetInfo	TSInfo

AMDGPUAS	AS

Detailed Description

Definition at line 47 of file AMDGPUSubtarget.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
ISAVersion0_0_0
ISAVersion6_0_0
ISAVersion6_0_1
ISAVersion7_0_0
ISAVersion7_0_1
ISAVersion7_0_2
ISAVersion7_0_3
ISAVersion7_0_4
ISAVersion8_0_1
ISAVersion8_0_2
ISAVersion8_0_3
ISAVersion8_1_0
ISAVersion9_0_0
ISAVersion9_0_2
ISAVersion9_0_4
ISAVersion9_0_6

Definition at line 60 of file AMDGPUSubtarget.h.

◆ Generation

enum llvm::AMDGPUSubtarget::Generation

Enumerator
R600
R700
EVERGREEN
NORTHERN_ISLANDS
SOUTHERN_ISLANDS
SEA_ISLANDS
VOLCANIC_ISLANDS
GFX9

Definition at line 49 of file AMDGPUSubtarget.h.

◆ TrapHandlerAbi

enum llvm::AMDGPUSubtarget::TrapHandlerAbi

Enumerator
TrapHandlerAbiNone
TrapHandlerAbiHsa

Definition at line 79 of file AMDGPUSubtarget.h.

◆ TrapID

enum llvm::AMDGPUSubtarget::TrapID

Enumerator
TrapIDHardwareReserved
TrapIDHSADebugTrap
TrapIDLLVMTrap
TrapIDLLVMDebugTrap
TrapIDDebugBreakpoint
TrapIDDebugReserved8
TrapIDDebugReservedFE
TrapIDDebugReservedFF

Definition at line 84 of file AMDGPUSubtarget.h.

◆ TrapRegValues

enum llvm::AMDGPUSubtarget::TrapRegValues

Enumerator
LLVMTrapHandlerRegValue

Definition at line 95 of file AMDGPUSubtarget.h.

Constructor & Destructor Documentation

◆ AMDGPUSubtarget()

AMDGPUSubtarget::AMDGPUSubtarget	(	const Triple &	TT,
		StringRef	GPU,
		StringRef	FS,
		const TargetMachine &	TM
	)

Definition at line 99 of file AMDGPUSubtarget.cpp.

References AS, llvm::AMDGPU::getAMDGPUAS(), and initializeSubtargetDependencies().

◆ ~AMDGPUSubtarget()

AMDGPUSubtarget::~AMDGPUSubtarget ( )

overridedefault

Member Function Documentation

◆ d16PreservesUnusedBits()

bool llvm::AMDGPUSubtarget::d16PreservesUnusedBits ( ) const

inline

Definition at line 549 of file AMDGPUSubtarget.h.

References D16PreservesUnusedBits.

◆ dumpCode()

bool llvm::AMDGPUSubtarget::dumpCode ( ) const

inline

Definition at line 371 of file AMDGPUSubtarget.h.

References DumpCode, getMaxLocalMemSizeWithWaveCount(), and getOccupancyWithLocalMemSize().

Referenced by llvm::AMDGPUAsmPrinter::EmitBasicBlockStart(), llvm::AMDGPUAsmPrinter::EmitFunctionEntryLabel(), llvm::AMDGPUAsmPrinter::EmitInstruction(), and llvm::AMDGPUAsmPrinter::runOnMachineFunction().

◆ enableDX10Clamp()

bool llvm::AMDGPUSubtarget::enableDX10Clamp ( ) const

inline

Definition at line 406 of file AMDGPUSubtarget.h.

References DX10Clamp.

Referenced by getMad64_32(), getSplatConstantFP(), hasAnyNonFlatUseOfReg(), and isClampZeroToOne().

◆ enableHugePrivateBuffer()

bool llvm::AMDGPUSubtarget::enableHugePrivateBuffer ( ) const

inline

Definition at line 359 of file AMDGPUSubtarget.h.

References EnableHugePrivateBuffer.

Referenced by llvm::SITargetLowering::LowerFormalArguments().

◆ enableIEEEBit()

bool llvm::AMDGPUSubtarget::enableIEEEBit ( const MachineFunction & MF ) const

inline

Definition at line 410 of file AMDGPUSubtarget.h.

References llvm::Function::getCallingConv(), llvm::MachineFunction::getFunction(), and llvm::AMDGPU::isCompute().

Referenced by hasAnyNonFlatUseOfReg(), and isCanonicalized().

◆ enableMachineScheduler()

bool llvm::AMDGPUSubtarget::enableMachineScheduler ( ) const

inlineoverride

Definition at line 583 of file AMDGPUSubtarget.h.

◆ enableSubRegLiveness()

bool llvm::AMDGPUSubtarget::enableSubRegLiveness ( ) const

inlineoverride

Definition at line 587 of file AMDGPUSubtarget.h.

◆ getAlignmentForImplicitArgPtr()

unsigned llvm::AMDGPUSubtarget::getAlignmentForImplicitArgPtr ( ) const

inline

Definition at line 559 of file AMDGPUSubtarget.h.

References isAmdHsaOS().

Referenced by llvm::AMDGPUTargetLowering::getImplicitParameterOffset(), llvm::SISubtarget::getKernArgSegmentSize(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

◆ getAMDGPUAS()

AMDGPUAS llvm::AMDGPUSubtarget::getAMDGPUAS ( ) const

inline

Definition at line 248 of file AMDGPUSubtarget.h.

References AS.

Referenced by llvm::AMDGPULegalizerInfo::AMDGPULegalizerInfo(), llvm::GCNTTIImpl::getFlatAddressSpace(), llvm::GCNTTIImpl::getLoadStoreVecRegBitWidth(), llvm::R600TTIImpl::getLoadStoreVecRegBitWidth(), llvm::AMDGPUTTIImpl::getUnrollingPreferences(), llvm::GCNTTIImpl::isLegalToVectorizeMemChain(), llvm::R600TTIImpl::isLegalToVectorizeMemChain(), llvm::AMDGPUTargetLowering::isSDNodeAlwaysUniform(), llvm::SITargetLowering::isSDNodeSourceOfDivergence(), and llvm::GCNTTIImpl::isSourceOfDivergence().

◆ getDefaultFlatWorkGroupSize()

std::pair< unsigned, unsigned > AMDGPUSubtarget::getDefaultFlatWorkGroupSize ( CallingConv::ID CC ) const

Returns: Default range flat work group size for a calling convention.

Definition at line 215 of file AMDGPUSubtarget.cpp.

References llvm::CallingConv::AMDGPU_CS, llvm::CallingConv::AMDGPU_ES, llvm::CallingConv::AMDGPU_GS, llvm::CallingConv::AMDGPU_HS, llvm::CallingConv::AMDGPU_KERNEL, llvm::CallingConv::AMDGPU_LS, llvm::CallingConv::AMDGPU_PS, llvm::CallingConv::AMDGPU_VS, getWavefrontSize(), and llvm::CallingConv::SPIR_KERNEL.

Referenced by getFlatWorkGroupSizes(), and getWavesPerWorkGroup().

◆ getEUsPerCU()

unsigned llvm::AMDGPUSubtarget::getEUsPerCU ( ) const

inline

Returns: Number of execution units per compute unit supported by the subtarget.

Definition at line 596 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getEUsPerCU().

◆ getExplicitKernelArgOffset()

unsigned llvm::AMDGPUSubtarget::getExplicitKernelArgOffset ( const Function & F ) const

inline

Returns the offset in bytes from the start of the input buffer of the first explicit kernel argument.

Definition at line 555 of file AMDGPUSubtarget.h.

References isAmdCodeObjectV2().

Referenced by llvm::AMDGPUCallLowering::lowerFormalArguments(), llvm::R600TargetLowering::LowerFormalArguments(), and llvm::SITargetLowering::LowerFormalArguments().

◆ getFlatWorkGroupSizes()

std::pair< unsigned, unsigned > AMDGPUSubtarget::getFlatWorkGroupSizes ( const Function & F ) const

Returns: Subtarget's default pair of minimum/maximum flat work group sizes for function F, or minimum/maximum flat work group sizes explicitly requested using "amdgpu-flat-work-group-size" attribute attached to function F.; Subtarget's default values if explicitly requested values cannot be converted to integer, or violate subtarget's specifications.

Definition at line 233 of file AMDGPUSubtarget.cpp.

References llvm::Default, llvm::Function::getCallingConv(), getDefaultFlatWorkGroupSize(), llvm::AMDGPU::getIntegerAttribute(), llvm::AMDGPU::getIntegerPairAttribute(), getMaxFlatWorkGroupSize(), and getMinFlatWorkGroupSize().

Referenced by getMaxLocalMemSizeWithWaveCount(), getOccupancyWithLocalMemSize(), getWavesPerEU(), getWavesPerWorkGroup(), isCallPromotable(), makeLIDRangeMetadata(), parseCachePolicy(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

◆ getFrameLowering()

const AMDGPUFrameLowering* llvm::AMDGPUSubtarget::getFrameLowering ( ) const

overridepure virtual

Implemented in llvm::SISubtarget, and llvm::R600Subtarget.

◆ getGeneration()

Generation llvm::AMDGPUSubtarget::getGeneration ( ) const

inline

Definition at line 224 of file AMDGPUSubtarget.h.

References Gen.

◆ getImplicitArgNumBytes()

unsigned llvm::AMDGPUSubtarget::getImplicitArgNumBytes ( const Function & F ) const

inline

Returns: Number of bytes of arguments that are passed to a shader or kernel in addition to the explicit ones declared for the function.

Definition at line 565 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::getIntegerAttribute(), and isMesaKernel().

Referenced by llvm::SISubtarget::getKernArgSegmentSize().

◆ getInstrInfo()

const AMDGPUInstrInfo* llvm::AMDGPUSubtarget::getInstrInfo ( ) const

overridepure virtual

Implemented in llvm::SISubtarget, and llvm::R600Subtarget.

Referenced by llvm::AMDGPUAsmPrinter::EmitInstruction(), and llvm::SITargetLowering::insertCopiesSplitCSR().

◆ getInstrItineraryData()

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

inlineoverride

Definition at line 201 of file AMDGPUSubtarget.h.

References InstrItins.

◆ getLDSBankCount()

int llvm::AMDGPUSubtarget::getLDSBankCount ( ) const

inline

Definition at line 240 of file AMDGPUSubtarget.h.

References LDSBankCount.

◆ getLocalMemorySize()

int llvm::AMDGPUSubtarget::getLocalMemorySize ( ) const

inline

Definition at line 236 of file AMDGPUSubtarget.h.

References LocalMemorySize.

Referenced by getMaxLocalMemSizeWithWaveCount(), getOccupancyWithLocalMemSize(), hasAnyNonFlatUseOfReg(), and isCallPromotable().

◆ getMaxFlatWorkGroupSize()

unsigned llvm::AMDGPUSubtarget::getMaxFlatWorkGroupSize ( ) const

inline

Returns: Maximum flat work group size supported by the subtarget.

Definition at line 645 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMaxFlatWorkGroupSize().

Referenced by getFlatWorkGroupSizes().

◆ getMaxLocalMemSizeWithWaveCount()

unsigned AMDGPUSubtarget::getMaxLocalMemSizeWithWaveCount	(	unsigned	WaveCount,
		const Function &	F
	)		const

Return the amount of LDS that can be used that will not restrict the occupancy lower than WaveCount.

Definition at line 186 of file AMDGPUSubtarget.cpp.

References getFlatWorkGroupSizes(), getLocalMemorySize(), getMaxWavesPerEU(), and getMaxWorkGroupsPerCU().

Referenced by dumpCode(), and isCallPromotable().

◆ getMaxPrivateElementSize()

unsigned llvm::AMDGPUSubtarget::getMaxPrivateElementSize ( ) const

inline

Definition at line 244 of file AMDGPUSubtarget.h.

References MaxPrivateElementSize.

Referenced by llvm::SITargetLowering::canMergeStoresTo(), getFPTernOp(), getLoadExtOrTrunc(), and llvm::GCNTTIImpl::getLoadStoreVecRegBitWidth().

◆ getMaxWavesPerCU() [1/2]

unsigned llvm::AMDGPUSubtarget::getMaxWavesPerCU ( ) const

inline

Returns: Maximum number of waves per compute unit supported by the subtarget without any kind of limitation.

Definition at line 609 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMaxWavesPerCU().

◆ getMaxWavesPerCU() [2/2]

unsigned llvm::AMDGPUSubtarget::getMaxWavesPerCU ( unsigned FlatWorkGroupSize ) const

inline

Returns: Maximum number of waves per compute unit supported by the subtarget and limited by given FlatWorkGroupSize.

Definition at line 615 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMaxWavesPerCU().

◆ getMaxWavesPerEU() [1/2]

unsigned llvm::AMDGPUSubtarget::getMaxWavesPerEU ( ) const

inline

Returns: Maximum number of waves per execution unit supported by the subtarget without any kind of limitation.

Definition at line 628 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMaxWavesPerEU().

Referenced by getMaxLocalMemSizeWithWaveCount(), getOccupancyWithLocalMemSize(), getWavesPerEU(), and isCallPromotable().

◆ getMaxWavesPerEU() [2/2]

unsigned llvm::AMDGPUSubtarget::getMaxWavesPerEU ( unsigned FlatWorkGroupSize ) const

inline

Returns: Maximum number of waves per execution unit supported by the subtarget and limited by given FlatWorkGroupSize.

Definition at line 634 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMaxWavesPerEU().

◆ getMaxWorkGroupsPerCU()

unsigned llvm::AMDGPUSubtarget::getMaxWorkGroupsPerCU ( unsigned FlatWorkGroupSize ) const

inline

Returns: Maximum number of work groups per compute unit supported by the subtarget and limited by given FlatWorkGroupSize.

Definition at line 602 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMaxWorkGroupsPerCU().

Referenced by getMaxLocalMemSizeWithWaveCount(), and getOccupancyWithLocalMemSize().

◆ getMinFlatWorkGroupSize()

unsigned llvm::AMDGPUSubtarget::getMinFlatWorkGroupSize ( ) const

inline

Returns: Minimum flat work group size supported by the subtarget.

Definition at line 640 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMinFlatWorkGroupSize().

Referenced by getFlatWorkGroupSizes().

◆ getMinWavesPerEU()

unsigned llvm::AMDGPUSubtarget::getMinWavesPerEU ( ) const

inline

Returns: Minimum number of waves per execution unit supported by the subtarget.

Definition at line 622 of file AMDGPUSubtarget.h.

References llvm::AMDGPU::IsaInfo::getMinWavesPerEU().

Referenced by getWavesPerEU().

◆ getOccupancyWithLocalMemSize() [1/2]

unsigned AMDGPUSubtarget::getOccupancyWithLocalMemSize	(	uint32_t	Bytes,
		const Function &	F
	)		const

Inverse of getMaxLocalMemWithWaveCount.

Return the maximum wavecount if the given LDS memory size is the only constraint.

Definition at line 196 of file AMDGPUSubtarget.cpp.

References getFlatWorkGroupSizes(), getLocalMemorySize(), getMaxWavesPerEU(), getMaxWorkGroupsPerCU(), and llvm::max().

Referenced by dumpCode(), getOccupancyWithLocalMemSize(), llvm::SIRegisterInfo::getRegPressureLimit(), isCallPromotable(), and llvm::SIMachineFunctionInfo::limitOccupancy().

◆ getOccupancyWithLocalMemSize() [2/2]

unsigned AMDGPUSubtarget::getOccupancyWithLocalMemSize ( const MachineFunction & MF ) const

Definition at line 209 of file AMDGPUSubtarget.cpp.

References llvm::MachineFunction::getFunction(), llvm::MachineFunction::getInfo(), and getOccupancyWithLocalMemSize().

◆ getRegisterInfo()

const AMDGPURegisterInfo* llvm::AMDGPUSubtarget::getRegisterInfo ( ) const

overridepure virtual

Implemented in llvm::SISubtarget, and llvm::R600Subtarget.

Referenced by llvm::AMDGPUAsmPrinter::EmitInstruction(), llvm::SITargetLowering::getRegisterByName(), and llvm::SITargetLowering::LowerCall().

◆ getScalarizeGlobalBehavior()

bool llvm::AMDGPUSubtarget::getScalarizeGlobalBehavior ( ) const

inline

Definition at line 592 of file AMDGPUSubtarget.h.

References ScalarizeGlobal.

Referenced by getLoadExtOrTrunc().

◆ getSelectionDAGInfo()

const SelectionDAGTargetInfo* llvm::AMDGPUSubtarget::getSelectionDAGInfo ( ) const

inlineoverride

Definition at line 206 of file AMDGPUSubtarget.h.

References ParseSubtargetFeatures(), and TSInfo.

◆ getStackAlignment()

unsigned llvm::AMDGPUSubtarget::getStackAlignment ( ) const

inline

Definition at line 579 of file AMDGPUSubtarget.h.

◆ getTargetLowering()

const AMDGPUTargetLowering* llvm::AMDGPUSubtarget::getTargetLowering ( ) const

overridepure virtual

Implemented in llvm::SISubtarget, and llvm::R600Subtarget.

◆ getTrapHandlerAbi()

TrapHandlerAbi llvm::AMDGPUSubtarget::getTrapHandlerAbi ( ) const

inline

Definition at line 355 of file AMDGPUSubtarget.h.

References isAmdHsaOS(), TrapHandlerAbiHsa, and TrapHandlerAbiNone.

Referenced by findUser().

◆ getWavefrontSize()

unsigned llvm::AMDGPUSubtarget::getWavefrontSize ( ) const

inline

Definition at line 228 of file AMDGPUSubtarget.h.

References WavefrontSize.

Referenced by llvm::SIMachineFunctionInfo::allocateSGPRSpillToVGPR(), llvm::SIFrameLowering::eliminateCallFramePseudoInstr(), llvm::SIRegisterInfo::eliminateFrameIndex(), llvm::SIFrameLowering::emitEntryFunctionPrologue(), llvm::SIFrameLowering::emitEpilogue(), llvm::SIFrameLowering::emitPrologue(), getDefaultFlatWorkGroupSize(), getElementByteSizeValue(), hasAnyNonFlatUseOfReg(), parseCachePolicy(), llvm::SIRegisterInfo::restoreSGPR(), and llvm::SIRegisterInfo::spillSGPR().

◆ getWavefrontSizeLog2()

unsigned llvm::AMDGPUSubtarget::getWavefrontSizeLog2 ( ) const

inline

Definition at line 232 of file AMDGPUSubtarget.h.

References llvm::Log2_32().

Referenced by llvm::AMDGPUTargetLowering::computeKnownBitsForTargetNode().

◆ getWavesPerEU()

std::pair< unsigned, unsigned > AMDGPUSubtarget::getWavesPerEU ( const Function & F ) const

Returns: Subtarget's default pair of minimum/maximum number of waves per execution unit for function F, or minimum/maximum number of waves per execution unit explicitly requested using "amdgpu-waves-per-eu" attribute attached to function F.; Subtarget's default values if explicitly requested values cannot be converted to integer, violate subtarget's specifications, or are not compatible with minimum/maximum number of waves limited by flat work group size, register usage, and/or lds usage.

Definition at line 263 of file AMDGPUSubtarget.cpp.

References llvm::Default, getFlatWorkGroupSizes(), llvm::AMDGPU::getIntegerPairAttribute(), getMaxWavesPerEU(), getMinWavesPerEU(), and llvm::Function::hasFnAttribute().

Referenced by getWavesPerWorkGroup(), isCallPromotable(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

◆ getWavesPerWorkGroup()

unsigned llvm::AMDGPUSubtarget::getWavesPerWorkGroup ( unsigned FlatWorkGroupSize ) const

inline

Returns: Number of waves per work group supported by the subtarget and limited by given FlatWorkGroupSize.

Definition at line 651 of file AMDGPUSubtarget.h.

References F(), getDefaultFlatWorkGroupSize(), getFlatWorkGroupSizes(), getWavesPerEU(), llvm::AMDGPU::IsaInfo::getWavesPerWorkGroup(), I, and makeLIDRangeMetadata().

◆ has16BitInsts()

bool llvm::AMDGPUSubtarget::has16BitInsts ( ) const

inline

Definition at line 252 of file AMDGPUSubtarget.h.

References Has16BitInsts.

◆ hasAddNoCarry()

bool llvm::AMDGPUSubtarget::hasAddNoCarry ( ) const

inline

Definition at line 488 of file AMDGPUSubtarget.h.

References AddNoCarryInsts.

◆ hasAddr64()

bool llvm::AMDGPUSubtarget::hasAddr64 ( ) const

inline

Definition at line 280 of file AMDGPUSubtarget.h.

References getGeneration(), and VOLCANIC_ISLANDS.

Referenced by llvm::SITargetLowering::getAddrModeArguments(), and initializeSubtargetDependencies().

◆ hasApertureRegs()

bool llvm::AMDGPUSubtarget::hasApertureRegs ( ) const

inline

Definition at line 446 of file AMDGPUSubtarget.h.

References HasApertureRegs.

Referenced by copyFeaturesToFunction(), and findUser().

◆ hasAutoWaitcntBeforeBarrier()

bool llvm::AMDGPUSubtarget::hasAutoWaitcntBeforeBarrier ( ) const

inline

Definition at line 430 of file AMDGPUSubtarget.h.

References AutoWaitcntBeforeBarrier.

◆ hasBCNT()

bool llvm::AMDGPUSubtarget::hasBCNT ( unsigned Size ) const

inline

Definition at line 296 of file AMDGPUSubtarget.h.

References EVERGREEN, getGeneration(), and SOUTHERN_ISLANDS.

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering().

◆ hasBFE()

bool llvm::AMDGPUSubtarget::hasBFE ( ) const

inline

Definition at line 284 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering(), hasBFM(), and llvm::R600TargetLowering::R600TargetLowering().

◆ hasBFI()

bool llvm::AMDGPUSubtarget::hasBFI ( ) const

inline

Definition at line 288 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering().

◆ hasBFM()

bool llvm::AMDGPUSubtarget::hasBFM ( ) const

inline

Definition at line 292 of file AMDGPUSubtarget.h.

References hasBFE().

◆ hasBORROW()

bool llvm::AMDGPUSubtarget::hasBORROW ( ) const

inline

Definition at line 343 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::R600TargetLowering::R600TargetLowering().

◆ hasCARRY()

bool llvm::AMDGPUSubtarget::hasCARRY ( ) const

inline

Definition at line 339 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::R600TargetLowering::R600TargetLowering().

◆ hasCaymanISA()

bool llvm::AMDGPUSubtarget::hasCaymanISA ( ) const

inline

Definition at line 347 of file AMDGPUSubtarget.h.

References CaymanISA.

Referenced by hasMulI24(), llvm::R600SchedStrategy::initialize(), and llvm::R600InstrInfo::isTransOnly().

◆ hasCodeObjectV3()

bool llvm::AMDGPUSubtarget::hasCodeObjectV3 ( ) const

inline

Definition at line 434 of file AMDGPUSubtarget.h.

References CodeObjectV3.

◆ hasD16LoadStore()

bool llvm::AMDGPUSubtarget::hasD16LoadStore ( ) const

inline

Definition at line 478 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

◆ hasDLInsts()

bool llvm::AMDGPUSubtarget::hasDLInsts ( ) const

inline

Definition at line 545 of file AMDGPUSubtarget.h.

References HasDLInsts.

Referenced by llvm::SITargetLowering::isFMAFasterThanFMulAndFAdd().

◆ hasFastFMAF32()

bool llvm::AMDGPUSubtarget::hasFastFMAF32 ( ) const

inline

Definition at line 272 of file AMDGPUSubtarget.h.

References FastFMAF32.

Referenced by llvm::SITargetLowering::isFMAFasterThanFMulAndFAdd().

◆ hasFFBH()

bool llvm::AMDGPUSubtarget::hasFFBH ( ) const

inline

Definition at line 319 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering().

◆ hasFFBL()

bool llvm::AMDGPUSubtarget::hasFFBL ( ) const

inline

Definition at line 315 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering().

◆ hasFlatAddressSpace()

bool llvm::AMDGPUSubtarget::hasFlatAddressSpace ( ) const

inline

Definition at line 458 of file AMDGPUSubtarget.h.

References FlatAddressSpace.

Referenced by copyFeaturesToFunction(), llvm::GCNTTIImpl::getFlatAddressSpace(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

◆ hasFlatGlobalInsts()

bool llvm::AMDGPUSubtarget::hasFlatGlobalInsts ( ) const

inline

Definition at line 466 of file AMDGPUSubtarget.h.

References FlatGlobalInsts.

Referenced by llvm::SITargetLowering::getAddrModeArguments().

◆ hasFlatInstOffsets()

bool llvm::AMDGPUSubtarget::hasFlatInstOffsets ( ) const

inline

Definition at line 462 of file AMDGPUSubtarget.h.

References FlatInstOffsets.

Referenced by llvm::SITargetLowering::getAddrModeArguments().

◆ hasFlatLgkmVMemCountInOrder()

bool llvm::AMDGPUSubtarget::hasFlatLgkmVMemCountInOrder ( ) const

inline

Definition at line 474 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

◆ hasFlatScratchInsts()

bool llvm::AMDGPUSubtarget::hasFlatScratchInsts ( ) const

inline

Definition at line 470 of file AMDGPUSubtarget.h.

References FlatScratchInsts.

◆ hasFMA()

bool llvm::AMDGPUSubtarget::hasFMA ( ) const

inline

Definition at line 351 of file AMDGPUSubtarget.h.

References FMA.

Referenced by llvm::R600TargetLowering::R600TargetLowering().

◆ hasFmaMixInsts()

bool llvm::AMDGPUSubtarget::hasFmaMixInsts ( ) const

inline

Definition at line 335 of file AMDGPUSubtarget.h.

References HasFmaMixInsts.

Referenced by llvm::SITargetLowering::isFPExtFoldable().

◆ hasFminFmaxLegacy()

bool llvm::AMDGPUSubtarget::hasFminFmaxLegacy ( ) const

inline

Definition at line 513 of file AMDGPUSubtarget.h.

References getGeneration(), and VOLCANIC_ISLANDS.

Referenced by llvm::AMDGPUTargetLowering::performSelectCombine().

◆ hasFP16Denormals()

bool llvm::AMDGPUSubtarget::hasFP16Denormals ( ) const

inline

Definition at line 386 of file AMDGPUSubtarget.h.

References FP64FP16Denormals.

Referenced by convertBuildVectorCastElt(), isCanonicalized(), llvm::SITargetLowering::isFMAFasterThanFMulAndFAdd(), and llvm::SITargetLowering::SITargetLowering().

◆ hasFP32Denormals()

bool llvm::AMDGPUSubtarget::hasFP32Denormals ( ) const

inline

Definition at line 390 of file AMDGPUSubtarget.h.

References FP32Denormals.

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering(), convertBuildVectorCastElt(), llvm::GCNTTIImpl::getArithmeticInstrCost(), getFPMode(), getFPTernOp(), getLoadExtOrTrunc(), isCanonicalized(), llvm::SITargetLowering::isFMAFasterThanFMulAndFAdd(), llvm::SITargetLowering::isFPExtFoldable(), llvm::AMDGPUTargetLowering::LowerDIVREM24(), and llvm::AMDGPUTargetLowering::LowerUDIVREM64().

◆ hasFP64()

bool llvm::AMDGPUSubtarget::hasFP64 ( ) const

inline

Definition at line 264 of file AMDGPUSubtarget.h.

References FP64.

Referenced by initializeSubtargetDependencies().

◆ hasFP64Denormals()

bool llvm::AMDGPUSubtarget::hasFP64Denormals ( ) const

inline

Definition at line 394 of file AMDGPUSubtarget.h.

References FP64FP16Denormals.

Referenced by getFPMode(), and isCanonicalized().

◆ hasFPExceptions()

bool llvm::AMDGPUSubtarget::hasFPExceptions ( ) const

inline

Definition at line 402 of file AMDGPUSubtarget.h.

References FPExceptions.

Referenced by llvm::AMDGPUTargetLowering::AMDGPUTargetLowering().

◆ hasHalfRate64Ops()

bool llvm::AMDGPUSubtarget::hasHalfRate64Ops ( ) const

inline

Definition at line 276 of file AMDGPUSubtarget.h.

References HalfRate64Ops.

◆ hasIntClamp()

bool llvm::AMDGPUSubtarget::hasIntClamp ( ) const

inline

Definition at line 256 of file AMDGPUSubtarget.h.

References HasIntClamp.

◆ hasMad64_32()

bool llvm::AMDGPUSubtarget::hasMad64_32 ( ) const

inline

Definition at line 509 of file AMDGPUSubtarget.h.

References getGeneration(), and SEA_ISLANDS.

Referenced by getMad64_32().

◆ hasMadMixInsts()

bool llvm::AMDGPUSubtarget::hasMadMixInsts ( ) const

inline

Definition at line 331 of file AMDGPUSubtarget.h.

References HasMadMixInsts.

Referenced by llvm::SITargetLowering::isFPExtFoldable().

◆ hasMed3_16()

bool llvm::AMDGPUSubtarget::hasMed3_16 ( ) const

inline

Definition at line 323 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

Referenced by getSplatConstantFP(), and minMaxOpcToMin3Max3Opc().

◆ hasMIMG_R128()

bool llvm::AMDGPUSubtarget::hasMIMG_R128 ( ) const

inline

Definition at line 268 of file AMDGPUSubtarget.h.

References MIMG_R128.

◆ hasMin3Max3_16()

bool llvm::AMDGPUSubtarget::hasMin3Max3_16 ( ) const

inline

Definition at line 327 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

Referenced by getSplatConstantFP().

◆ hasMulI24()

bool llvm::AMDGPUSubtarget::hasMulI24 ( ) const

inline

Definition at line 310 of file AMDGPUSubtarget.h.

References getGeneration(), hasCaymanISA(), and SOUTHERN_ISLANDS.

Referenced by llvm::AMDGPUTargetLowering::performMulCombine(), and llvm::AMDGPUTargetLowering::performMulhsCombine().

◆ hasMulU24()

bool llvm::AMDGPUSubtarget::hasMulU24 ( ) const

inline

Definition at line 306 of file AMDGPUSubtarget.h.

References EVERGREEN, and getGeneration().

Referenced by llvm::AMDGPUTargetLowering::performMulCombine(), and llvm::AMDGPUTargetLowering::performMulhuCombine().

◆ hasSDWA()

bool llvm::AMDGPUSubtarget::hasSDWA ( ) const

inline

Definition at line 517 of file AMDGPUSubtarget.h.

References HasSDWA.

Referenced by findSingleRegDef(), llvm::AMDGPUTargetLowering::PerformDAGCombine(), and llvm::SIInstrInfo::verifyInstruction().

◆ hasSDWAMac()

bool llvm::AMDGPUSubtarget::hasSDWAMac ( ) const

inline

Definition at line 533 of file AMDGPUSubtarget.h.

References HasSDWAMac.

Referenced by findSingleRegDef().

◆ hasSDWAOmod()

bool llvm::AMDGPUSubtarget::hasSDWAOmod ( ) const

inline

Definition at line 521 of file AMDGPUSubtarget.h.

References HasSDWAOmod.

Referenced by findSingleRegDef(), and llvm::SIInstrInfo::verifyInstruction().

◆ hasSDWAOutModsVOPC()

bool llvm::AMDGPUSubtarget::hasSDWAOutModsVOPC ( ) const

inline

Definition at line 537 of file AMDGPUSubtarget.h.

References HasSDWAOutModsVOPC.

Referenced by findSingleRegDef(), and llvm::SIInstrInfo::verifyInstruction().

◆ hasSDWAScalar()

bool llvm::AMDGPUSubtarget::hasSDWAScalar ( ) const

inline

Definition at line 525 of file AMDGPUSubtarget.h.

References HasSDWAScalar.

Referenced by findSingleRegDef(), and llvm::SIInstrInfo::verifyInstruction().

◆ hasSDWASdst()

bool llvm::AMDGPUSubtarget::hasSDWASdst ( ) const

inline

Definition at line 529 of file AMDGPUSubtarget.h.

References HasSDWASdst.

Referenced by findSingleRegDef(), and llvm::SIInstrInfo::verifyInstruction().

◆ hasUnalignedBufferAccess()

bool llvm::AMDGPUSubtarget::hasUnalignedBufferAccess ( ) const

inline

Definition at line 438 of file AMDGPUSubtarget.h.

References UnalignedBufferAccess.

Referenced by llvm::SITargetLowering::allowsMisalignedMemoryAccesses().

◆ hasUnalignedScratchAccess()

bool llvm::AMDGPUSubtarget::hasUnalignedScratchAccess ( ) const

inline

Definition at line 442 of file AMDGPUSubtarget.h.

References UnalignedScratchAccess.

Referenced by llvm::SITargetLowering::allowsMisalignedMemoryAccesses(), and llvm::GCNTTIImpl::isLegalToVectorizeMemChain().

◆ hasUnpackedD16VMem()

bool llvm::AMDGPUSubtarget::hasUnpackedD16VMem ( ) const

inline

Definition at line 492 of file AMDGPUSubtarget.h.

References HasUnpackedD16VMem.

Referenced by adjustLoadValueTypeImpl(), parseCachePolicy(), and llvm::AMDGPUInstrInfo::pseudoToMCOpcode().

◆ hasVOP3PInsts()

bool llvm::AMDGPUSubtarget::hasVOP3PInsts ( ) const

inline

Definition at line 260 of file AMDGPUSubtarget.h.

References HasVOP3PInsts.

Referenced by llvm::GCNTTIImpl::getArithmeticReductionCost(), llvm::GCNTTIImpl::getMinMaxReductionCost(), llvm::GCNTTIImpl::getShuffleCost(), getSplatConstantFP(), llvm::AMDGPUTargetLowering::isFNegFree(), and llvm::SITargetLowering::SITargetLowering().

◆ initializeSubtargetDependencies()

AMDGPUSubtarget & AMDGPUSubtarget::initializeSubtargetDependencies	(	const Triple &	TT,
		StringRef	GPU,
		StringRef	FS
	)

Definition at line 41 of file AMDGPUSubtarget.cpp.

References llvm::Triple::amdgcn, assert(), llvm::StringRef::contains(), FlatForGlobal, llvm::Triple::getArch(), getGeneration(), hasAddr64(), hasFP64(), HasMovrel, HasVGPRIndexMode, isAmdHsaOS(), LDSBankCount, LocalMemorySize, MaxPrivateElementSize, ParseSubtargetFeatures(), and SOUTHERN_ISLANDS.

Referenced by AMDGPUSubtarget().

◆ isAmdCodeObjectV2()

bool llvm::AMDGPUSubtarget::isAmdCodeObjectV2 ( const Function & F ) const

inline

Definition at line 505 of file AMDGPUSubtarget.h.

References isAmdHsaOS(), and isMesaKernel().

Referenced by llvm::SIFrameLowering::emitEntryFunctionPrologue(), llvm::AMDGPUAsmPrinter::EmitFunctionBodyStart(), getExplicitKernelArgOffset(), parseCachePolicy(), reservePrivateMemoryRegs(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

◆ isAmdHsaOS()

bool llvm::AMDGPUSubtarget::isAmdHsaOS ( ) const

inline

Definition at line 212 of file AMDGPUSubtarget.h.

References llvm::Triple::AMDHSA, and llvm::Triple::getOS().

Referenced by llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), getAlignmentForImplicitArgPtr(), getTrapHandlerAbi(), hasAnyNonFlatUseOfReg(), initializeSubtargetDependencies(), isAmdCodeObjectV2(), llvm::SITargetLowering::LowerFormalArguments(), parseCachePolicy(), and llvm::AMDGPUAsmPrinter::runOnMachineFunction().

◆ isAmdPalOS()

bool llvm::AMDGPUSubtarget::isAmdPalOS ( ) const

inline

Definition at line 220 of file AMDGPUSubtarget.h.

References llvm::Triple::AMDPAL, and llvm::Triple::getOS().

Referenced by llvm::SIFrameLowering::emitEntryFunctionPrologue(), llvm::SITargetLowering::LowerFormalArguments(), and llvm::AMDGPUAsmPrinter::runOnMachineFunction().

◆ isMesa3DOS()

bool llvm::AMDGPUSubtarget::isMesa3DOS ( ) const

inline

Definition at line 216 of file AMDGPUSubtarget.h.

References llvm::Triple::getOS(), and llvm::Triple::Mesa3D.

Referenced by isMesaGfxShader(), and isMesaKernel().

◆ isMesaGfxShader()

bool llvm::AMDGPUSubtarget::isMesaGfxShader ( const Function & F ) const

inline

Definition at line 501 of file AMDGPUSubtarget.h.

References llvm::Function::getCallingConv(), isMesa3DOS(), and llvm::AMDGPU::isShader().

Referenced by llvm::SIFrameLowering::emitEntryFunctionPrologue(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

◆ isMesaKernel()

bool llvm::AMDGPUSubtarget::isMesaKernel ( const Function & F ) const

inline

Definition at line 496 of file AMDGPUSubtarget.h.

References llvm::Function::getCallingConv(), isMesa3DOS(), and llvm::AMDGPU::isShader().

Referenced by getImplicitArgNumBytes(), and isAmdCodeObjectV2().

◆ isPromoteAllocaEnabled()

bool llvm::AMDGPUSubtarget::isPromoteAllocaEnabled ( ) const

inline

Definition at line 363 of file AMDGPUSubtarget.h.

References EnablePromoteAlloca.

◆ isTrapHandlerEnabled()

bool llvm::AMDGPUSubtarget::isTrapHandlerEnabled ( ) const

inline

Definition at line 450 of file AMDGPUSubtarget.h.

References TrapHandler.

Referenced by findUser(), and hasAnyNonFlatUseOfReg().

◆ isXNACKEnabled()

bool llvm::AMDGPUSubtarget::isXNACKEnabled ( ) const

inline

Definition at line 454 of file AMDGPUSubtarget.h.

References EnableXNACK.

Referenced by addRegsToSet(), getElementByteSizeValue(), and llvm::SISubtarget::getReservedNumSGPRs().

◆ ldsRequiresM0Init()

bool llvm::AMDGPUSubtarget::ldsRequiresM0Init ( ) const

inline

Return if most LDS instructions have an m0 use that require m0 to be iniitalized.

Definition at line 484 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

◆ makeLIDRangeMetadata()

bool AMDGPUSubtarget::makeLIDRangeMetadata ( Instruction * I ) const

Creates value range metadata on an workitemid.* inrinsic call or load.

Definition at line 311 of file AMDGPUSubtarget.cpp.

References F(), llvm::Value::getContext(), getFlatWorkGroupSizes(), llvm::Function::getIntrinsicID(), llvm::GlobalObject::getMetadata(), llvm::Instruction::getParent(), llvm::BasicBlock::getParent(), if(), llvm::CodeModel::Kernel, LLVM_FALLTHROUGH, llvm::LLVMContext::MD_range, and llvm::Instruction::setMetadata().

Referenced by getWavesPerWorkGroup().

◆ ParseSubtargetFeatures()

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

Referenced by getSelectionDAGInfo(), and initializeSubtargetDependencies().

◆ privateMemoryResourceIsRangeChecked()

bool llvm::AMDGPUSubtarget::privateMemoryResourceIsRangeChecked ( ) const

inline

Returns: If MUBUF instructions always perform range checking, even for buffer resources used for private memory access.

Definition at line 426 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

◆ setScalarizeGlobalBehavior()

void llvm::AMDGPUSubtarget::setScalarizeGlobalBehavior ( bool b )

inline

Definition at line 591 of file AMDGPUSubtarget.h.

◆ supportsMinMaxDenormModes()

bool llvm::AMDGPUSubtarget::supportsMinMaxDenormModes ( ) const

inline

Definition at line 398 of file AMDGPUSubtarget.h.

References getGeneration(), and GFX9.

Referenced by isCanonicalized().

◆ unsafeDSOffsetFoldingEnabled()

bool llvm::AMDGPUSubtarget::unsafeDSOffsetFoldingEnabled ( ) const

inline

Definition at line 367 of file AMDGPUSubtarget.h.

References EnableUnsafeDSOffsetFolding.

◆ useDS128()

bool llvm::AMDGPUSubtarget::useDS128 ( ) const

inline

Returns: If target supports ds_read/write_b128 and user enables generation of ds_read/write_b128.

Definition at line 420 of file AMDGPUSubtarget.h.

References EnableDS128.

Referenced by getFPTernOp(), and getLoadExtOrTrunc().

◆ useFlatForGlobal()

bool llvm::AMDGPUSubtarget::useFlatForGlobal ( ) const

inline

Definition at line 414 of file AMDGPUSubtarget.h.

References FlatForGlobal.

Referenced by llvm::SITargetLowering::getAddrModeArguments().

◆ vmemWriteNeedsExpWaitcnt()

bool llvm::AMDGPUSubtarget::vmemWriteNeedsExpWaitcnt ( ) const

inline

Definition at line 541 of file AMDGPUSubtarget.h.

References getGeneration(), and SEA_ISLANDS.

Member Data Documentation

◆ AddNoCarryInsts

bool llvm::AMDGPUSubtarget::AddNoCarryInsts

protected

Definition at line 172 of file AMDGPUSubtarget.h.

Referenced by hasAddNoCarry().

◆ AS

AMDGPUAS llvm::AMDGPUSubtarget::AS

protected

Definition at line 186 of file AMDGPUSubtarget.h.

Referenced by AMDGPUSubtarget(), and getAMDGPUAS().

◆ AutoWaitcntBeforeBarrier

bool llvm::AMDGPUSubtarget::AutoWaitcntBeforeBarrier

protected

Definition at line 119 of file AMDGPUSubtarget.h.

Referenced by hasAutoWaitcntBeforeBarrier().

◆ CaymanISA

bool llvm::AMDGPUSubtarget::CaymanISA

protected

Definition at line 175 of file AMDGPUSubtarget.h.

Referenced by hasCaymanISA().

◆ CFALUBug

bool llvm::AMDGPUSubtarget::CFALUBug

protected

Definition at line 176 of file AMDGPUSubtarget.h.

Referenced by llvm::R600Subtarget::hasCFAluBug().

◆ CIInsts

bool llvm::AMDGPUSubtarget::CIInsts

protected

Definition at line 145 of file AMDGPUSubtarget.h.

◆ CodeObjectV3

bool llvm::AMDGPUSubtarget::CodeObjectV3

protected

Definition at line 120 of file AMDGPUSubtarget.h.

Referenced by hasCodeObjectV3().

◆ D16PreservesUnusedBits

bool llvm::AMDGPUSubtarget::D16PreservesUnusedBits

protected

Definition at line 167 of file AMDGPUSubtarget.h.

Referenced by d16PreservesUnusedBits().

◆ DebuggerEmitPrologue

bool llvm::AMDGPUSubtarget::DebuggerEmitPrologue

protected

Definition at line 127 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::debuggerEmitPrologue().

◆ DebuggerInsertNops

bool llvm::AMDGPUSubtarget::DebuggerInsertNops

protected

Definition at line 126 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::debuggerInsertNops().

◆ DumpCode

bool llvm::AMDGPUSubtarget::DumpCode

protected

Definition at line 137 of file AMDGPUSubtarget.h.

Referenced by dumpCode().

◆ DX10Clamp

bool llvm::AMDGPUSubtarget::DX10Clamp

protected

Definition at line 117 of file AMDGPUSubtarget.h.

Referenced by enableDX10Clamp().

◆ EnableDS128

bool llvm::AMDGPUSubtarget::EnableDS128

protected

Definition at line 136 of file AMDGPUSubtarget.h.

Referenced by useDS128().

◆ EnableHugePrivateBuffer

bool llvm::AMDGPUSubtarget::EnableHugePrivateBuffer

protected

Definition at line 130 of file AMDGPUSubtarget.h.

Referenced by enableHugePrivateBuffer().

◆ EnableLoadStoreOpt

bool llvm::AMDGPUSubtarget::EnableLoadStoreOpt

protected

Definition at line 133 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::loadStoreOptEnabled().

◆ EnablePromoteAlloca

bool llvm::AMDGPUSubtarget::EnablePromoteAlloca

protected

Definition at line 132 of file AMDGPUSubtarget.h.

Referenced by isPromoteAllocaEnabled().

◆ EnableSIScheduler

bool llvm::AMDGPUSubtarget::EnableSIScheduler

protected

Definition at line 135 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::enableSIScheduler().

◆ EnableUnsafeDSOffsetFolding

bool llvm::AMDGPUSubtarget::EnableUnsafeDSOffsetFolding

protected

Definition at line 134 of file AMDGPUSubtarget.h.

Referenced by unsafeDSOffsetFoldingEnabled().

◆ EnableVGPRSpilling

bool llvm::AMDGPUSubtarget::EnableVGPRSpilling

protected

Definition at line 131 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::isVGPRSpillingEnabled().

◆ EnableXNACK

bool llvm::AMDGPUSubtarget::EnableXNACK

protected

Definition at line 124 of file AMDGPUSubtarget.h.

Referenced by isXNACKEnabled().

◆ FastFMAF32

bool llvm::AMDGPUSubtarget::FastFMAF32

protected

Definition at line 110 of file AMDGPUSubtarget.h.

Referenced by hasFastFMAF32().

◆ FeatureDisable

bool llvm::AMDGPUSubtarget::FeatureDisable

protected

Definition at line 182 of file AMDGPUSubtarget.h.

◆ FlatAddressSpace

bool llvm::AMDGPUSubtarget::FlatAddressSpace

protected

Definition at line 168 of file AMDGPUSubtarget.h.

Referenced by hasFlatAddressSpace().

◆ FlatForGlobal

bool llvm::AMDGPUSubtarget::FlatForGlobal

protected

Definition at line 118 of file AMDGPUSubtarget.h.

Referenced by initializeSubtargetDependencies(), and useFlatForGlobal().

◆ FlatGlobalInsts

bool llvm::AMDGPUSubtarget::FlatGlobalInsts

protected

Definition at line 170 of file AMDGPUSubtarget.h.

Referenced by hasFlatGlobalInsts().

◆ FlatInstOffsets

bool llvm::AMDGPUSubtarget::FlatInstOffsets

protected

Definition at line 169 of file AMDGPUSubtarget.h.

Referenced by hasFlatInstOffsets().

◆ FlatScratchInsts

bool llvm::AMDGPUSubtarget::FlatScratchInsts

protected

Definition at line 171 of file AMDGPUSubtarget.h.

Referenced by hasFlatScratchInsts().

◆ FMA

bool llvm::AMDGPUSubtarget::FMA

protected

Definition at line 141 of file AMDGPUSubtarget.h.

Referenced by hasFMA().

◆ FP32Denormals

bool llvm::AMDGPUSubtarget::FP32Denormals

protected

Definition at line 114 of file AMDGPUSubtarget.h.

Referenced by hasFP32Denormals().

◆ FP64

bool llvm::AMDGPUSubtarget::FP64

protected

Definition at line 140 of file AMDGPUSubtarget.h.

Referenced by hasFP64().

◆ FP64FP16Denormals

bool llvm::AMDGPUSubtarget::FP64FP16Denormals

protected

Definition at line 115 of file AMDGPUSubtarget.h.

Referenced by hasFP16Denormals(), and hasFP64Denormals().

◆ FPExceptions

bool llvm::AMDGPUSubtarget::FPExceptions

protected

Definition at line 116 of file AMDGPUSubtarget.h.

Referenced by hasFPExceptions().

◆ GCN3Encoding

bool llvm::AMDGPUSubtarget::GCN3Encoding

protected

Definition at line 144 of file AMDGPUSubtarget.h.

◆ Gen

Generation llvm::AMDGPUSubtarget::Gen

protected

Definition at line 102 of file AMDGPUSubtarget.h.

Referenced by getGeneration().

◆ GFX9Insts

bool llvm::AMDGPUSubtarget::GFX9Insts

protected

Definition at line 146 of file AMDGPUSubtarget.h.

◆ HalfRate64Ops

bool llvm::AMDGPUSubtarget::HalfRate64Ops

protected

Definition at line 111 of file AMDGPUSubtarget.h.

Referenced by hasHalfRate64Ops().

◆ Has16BitInsts

bool llvm::AMDGPUSubtarget::Has16BitInsts

protected

Definition at line 149 of file AMDGPUSubtarget.h.

Referenced by has16BitInsts().

◆ HasApertureRegs

bool llvm::AMDGPUSubtarget::HasApertureRegs

protected

Definition at line 123 of file AMDGPUSubtarget.h.

Referenced by hasApertureRegs().

◆ HasDLInsts

bool llvm::AMDGPUSubtarget::HasDLInsts

protected

Definition at line 166 of file AMDGPUSubtarget.h.

Referenced by hasDLInsts().

◆ HasDPP

bool llvm::AMDGPUSubtarget::HasDPP

protected

Definition at line 165 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasDPP().

◆ HasFmaMixInsts

bool llvm::AMDGPUSubtarget::HasFmaMixInsts

protected

Definition at line 153 of file AMDGPUSubtarget.h.

Referenced by hasFmaMixInsts().

◆ HasIntClamp

bool llvm::AMDGPUSubtarget::HasIntClamp

protected

Definition at line 150 of file AMDGPUSubtarget.h.

Referenced by hasIntClamp().

◆ HasInv2PiInlineImm

bool llvm::AMDGPUSubtarget::HasInv2PiInlineImm

protected

Definition at line 158 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasInv2PiInlineImm().

◆ HasMadMixInsts

bool llvm::AMDGPUSubtarget::HasMadMixInsts

protected

Definition at line 152 of file AMDGPUSubtarget.h.

Referenced by hasMadMixInsts().

◆ HasMovrel

bool llvm::AMDGPUSubtarget::HasMovrel

protected

Definition at line 154 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasMovrel(), and initializeSubtargetDependencies().

◆ HasScalarAtomics

bool llvm::AMDGPUSubtarget::HasScalarAtomics

protected

Definition at line 157 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasScalarAtomics().

◆ HasScalarStores

bool llvm::AMDGPUSubtarget::HasScalarStores

protected

Definition at line 156 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasScalarStores().

◆ HasSDWA

bool llvm::AMDGPUSubtarget::HasSDWA

protected

Definition at line 159 of file AMDGPUSubtarget.h.

Referenced by hasSDWA().

◆ HasSDWAMac

bool llvm::AMDGPUSubtarget::HasSDWAMac

protected

Definition at line 163 of file AMDGPUSubtarget.h.

Referenced by hasSDWAMac().

◆ HasSDWAOmod

bool llvm::AMDGPUSubtarget::HasSDWAOmod

protected

Definition at line 160 of file AMDGPUSubtarget.h.

Referenced by hasSDWAOmod().

◆ HasSDWAOutModsVOPC

bool llvm::AMDGPUSubtarget::HasSDWAOutModsVOPC

protected

Definition at line 164 of file AMDGPUSubtarget.h.

Referenced by hasSDWAOutModsVOPC().

◆ HasSDWAScalar

bool llvm::AMDGPUSubtarget::HasSDWAScalar

protected

Definition at line 161 of file AMDGPUSubtarget.h.

Referenced by hasSDWAScalar().

◆ HasSDWASdst

bool llvm::AMDGPUSubtarget::HasSDWASdst

protected

Definition at line 162 of file AMDGPUSubtarget.h.

Referenced by hasSDWASdst().

◆ HasSMemRealTime

bool llvm::AMDGPUSubtarget::HasSMemRealTime

protected

Definition at line 148 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasSMemRealTime().

◆ HasUnpackedD16VMem

bool llvm::AMDGPUSubtarget::HasUnpackedD16VMem

protected

Definition at line 173 of file AMDGPUSubtarget.h.

Referenced by hasUnpackedD16VMem().

◆ HasVertexCache

bool llvm::AMDGPUSubtarget::HasVertexCache

protected

Definition at line 177 of file AMDGPUSubtarget.h.

Referenced by llvm::R600Subtarget::hasVertexCache().

◆ HasVGPRIndexMode

bool llvm::AMDGPUSubtarget::HasVGPRIndexMode

protected

Definition at line 155 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasVGPRIndexMode(), and initializeSubtargetDependencies().

◆ HasVOP3PInsts

bool llvm::AMDGPUSubtarget::HasVOP3PInsts

protected

Definition at line 151 of file AMDGPUSubtarget.h.

Referenced by hasVOP3PInsts().

◆ InstrItins

InstrItineraryData llvm::AMDGPUSubtarget::InstrItins

protected

Definition at line 184 of file AMDGPUSubtarget.h.

Referenced by getInstrItineraryData().

◆ IsaVersion

unsigned llvm::AMDGPUSubtarget::IsaVersion

protected

Definition at line 103 of file AMDGPUSubtarget.h.

◆ IsGCN

bool llvm::AMDGPUSubtarget::IsGCN

protected

Definition at line 143 of file AMDGPUSubtarget.h.

◆ LDSBankCount

int llvm::AMDGPUSubtarget::LDSBankCount

protected

Definition at line 106 of file AMDGPUSubtarget.h.

Referenced by getLDSBankCount(), and initializeSubtargetDependencies().

◆ LocalMemorySize

int llvm::AMDGPUSubtarget::LocalMemorySize

protected

Definition at line 105 of file AMDGPUSubtarget.h.

Referenced by getLocalMemorySize(), and initializeSubtargetDependencies().

◆ MaxPrivateElementSize

unsigned llvm::AMDGPUSubtarget::MaxPrivateElementSize

protected

Definition at line 107 of file AMDGPUSubtarget.h.

Referenced by getMaxPrivateElementSize(), and initializeSubtargetDependencies().

◆ MIMG_R128

bool llvm::AMDGPUSubtarget::MIMG_R128

protected

Definition at line 142 of file AMDGPUSubtarget.h.

Referenced by hasMIMG_R128().

◆ R600ALUInst

bool llvm::AMDGPUSubtarget::R600ALUInst

protected

Definition at line 174 of file AMDGPUSubtarget.h.

◆ ScalarizeGlobal

bool llvm::AMDGPUSubtarget::ScalarizeGlobal

protected

Definition at line 179 of file AMDGPUSubtarget.h.

Referenced by getScalarizeGlobalBehavior().

◆ SGPRInitBug

bool llvm::AMDGPUSubtarget::SGPRInitBug

protected

Definition at line 147 of file AMDGPUSubtarget.h.

Referenced by llvm::SISubtarget::hasSGPRInitBug().

◆ TargetTriple

Triple llvm::AMDGPUSubtarget::TargetTriple

protected

Definition at line 101 of file AMDGPUSubtarget.h.

◆ TexVTXClauseSize

short llvm::AMDGPUSubtarget::TexVTXClauseSize

protected

Definition at line 178 of file AMDGPUSubtarget.h.

Referenced by llvm::R600Subtarget::getTexVTXClauseSize().

◆ TrapHandler

bool llvm::AMDGPUSubtarget::TrapHandler

protected

Definition at line 125 of file AMDGPUSubtarget.h.

Referenced by isTrapHandlerEnabled().

◆ TSInfo

SelectionDAGTargetInfo llvm::AMDGPUSubtarget::TSInfo

protected

Definition at line 185 of file AMDGPUSubtarget.h.

Referenced by getSelectionDAGInfo().

◆ UnalignedBufferAccess

bool llvm::AMDGPUSubtarget::UnalignedBufferAccess

protected

Definition at line 122 of file AMDGPUSubtarget.h.

Referenced by hasUnalignedBufferAccess().

◆ UnalignedScratchAccess

bool llvm::AMDGPUSubtarget::UnalignedScratchAccess

protected

Definition at line 121 of file AMDGPUSubtarget.h.

Referenced by hasUnalignedScratchAccess().

◆ WavefrontSize

unsigned llvm::AMDGPUSubtarget::WavefrontSize

protected

Definition at line 104 of file AMDGPUSubtarget.h.

Referenced by getWavefrontSize().

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

lib/Target/AMDGPU/AMDGPUSubtarget.h
lib/Target/AMDGPU/AMDGPUSubtarget.cpp

Public Types

Public Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

◆ Generation

◆ TrapHandlerAbi

◆ TrapID

◆ TrapRegValues

Constructor & Destructor Documentation

◆ AMDGPUSubtarget()

◆ ~AMDGPUSubtarget()

Member Function Documentation

◆ d16PreservesUnusedBits()

◆ dumpCode()

◆ enableDX10Clamp()

◆ enableHugePrivateBuffer()

◆ enableIEEEBit()

◆ enableMachineScheduler()

◆ enableSubRegLiveness()

◆ getAlignmentForImplicitArgPtr()

◆ getAMDGPUAS()

◆ getDefaultFlatWorkGroupSize()

◆ getEUsPerCU()

◆ getExplicitKernelArgOffset()

◆ getFlatWorkGroupSizes()

◆ getFrameLowering()

◆ getGeneration()

◆ getImplicitArgNumBytes()

◆ getInstrInfo()

◆ getInstrItineraryData()

◆ getLDSBankCount()

◆ getLocalMemorySize()

◆ getMaxFlatWorkGroupSize()

◆ getMaxLocalMemSizeWithWaveCount()

◆ getMaxPrivateElementSize()

◆ getMaxWavesPerCU() [1/2]

◆ getMaxWavesPerCU() [2/2]

◆ getMaxWavesPerEU() [1/2]

◆ getMaxWavesPerEU() [2/2]

◆ getMaxWorkGroupsPerCU()

◆ getMinFlatWorkGroupSize()

◆ getMinWavesPerEU()

◆ getOccupancyWithLocalMemSize() [1/2]

◆ getOccupancyWithLocalMemSize() [2/2]

◆ getRegisterInfo()

◆ getScalarizeGlobalBehavior()

◆ getSelectionDAGInfo()

◆ getStackAlignment()

◆ getTargetLowering()

◆ getTrapHandlerAbi()

◆ getWavefrontSize()

◆ getWavefrontSizeLog2()

◆ getWavesPerEU()

◆ getWavesPerWorkGroup()

◆ has16BitInsts()

◆ hasAddNoCarry()

◆ hasAddr64()

◆ hasApertureRegs()

◆ hasAutoWaitcntBeforeBarrier()

◆ hasBCNT()

◆ hasBFE()

◆ hasBFI()

◆ hasBFM()

◆ hasBORROW()

◆ hasCARRY()

◆ hasCaymanISA()

◆ hasCodeObjectV3()

◆ hasD16LoadStore()

◆ hasDLInsts()

◆ hasFastFMAF32()

◆ hasFFBH()

◆ hasFFBL()

◆ hasFlatAddressSpace()

◆ hasFlatGlobalInsts()

◆ hasFlatInstOffsets()

◆ hasFlatLgkmVMemCountInOrder()

◆ hasFlatScratchInsts()

◆ hasFMA()