#include "Target/AMDGPU/AMDGPUSubtarget.h"

Inheritance diagram for llvm::AMDGPUSubtarget:

Collaboration diagram for llvm::AMDGPUSubtarget:

[legend]

Public Types
enum	Generation { INVALID = 0, R600 = 1, R700 = 2, EVERGREEN = 3, NORTHERN_ISLANDS = 4, SOUTHERN_ISLANDS = 5, SEA_ISLANDS = 6, VOLCANIC_ISLANDS = 7, GFX9 = 8, GFX10 = 9 }

Public Member Functions
	AMDGPUSubtarget (const Triple &TT)

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

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	isAmdHsaOS () const

bool	isAmdPalOS () const

bool	isMesa3DOS () const

bool	isMesaKernel (const Function &F) const

bool	isAmdHsaOrMesa (const Function &F) const

bool	isGCN () const

bool	isGCN3Encoding () const

bool	has16BitInsts () const

bool	hasMadMixInsts () const

bool	hasMadMacF32Insts () const

bool	hasDsSrc2Insts () const

bool	hasSDWA () const

bool	hasVOP3PInsts () const

bool	hasMulI24 () const

bool	hasMulU24 () const

bool	hasSMulHi () const

bool	hasInv2PiInlineImm () const

bool	hasFminFmaxLegacy () const

bool	hasTrigReducedRange () const

bool	isPromoteAllocaEnabled () const

unsigned	getWavefrontSize () const

unsigned	getWavefrontSizeLog2 () const

unsigned	getLocalMemorySize () const

Align	getAlignmentForImplicitArgPtr () 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...

virtual unsigned	getMaxWorkGroupsPerCU (unsigned FlatWorkGroupSize) const =0

virtual unsigned	getMinFlatWorkGroupSize () const =0

virtual unsigned	getMaxFlatWorkGroupSize () const =0

virtual unsigned	getWavesPerEUForWorkGroup (unsigned FlatWorkGroupSize) const =0

virtual unsigned	getMinWavesPerEU () const =0

unsigned	getMaxWavesPerEU () const

unsigned	getMaxWorkitemID (const Function &Kernel, unsigned Dimension) const
	Return the maximum workitem ID value in the function, for the given (0, 1, 2) dimension. More...

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

unsigned	getImplicitArgNumBytes (const Function &F) const

uint64_t	getExplicitKernArgSize (const Function &F, Align &MaxAlign) const

unsigned	getKernArgSegmentSize (const Function &F, Align &MaxAlign) const

AMDGPUDwarfFlavour	getAMDGPUDwarfFlavour () const

virtual	~AMDGPUSubtarget ()

Static Public Member Functions
static const AMDGPUSubtarget &	get (const MachineFunction &MF)

static const AMDGPUSubtarget &	get (const TargetMachine &TM, const Function &F)

Protected Attributes
bool	GCN3Encoding

bool	Has16BitInsts

bool	HasMadMixInsts

bool	HasMadMacF32Insts

bool	HasDsSrc2Insts

bool	HasSDWA

bool	HasVOP3PInsts

bool	HasMulI24

bool	HasMulU24

bool	HasSMulHi

bool	HasInv2PiInlineImm

bool	HasFminFmaxLegacy

bool	EnablePromoteAlloca

bool	HasTrigReducedRange

unsigned	MaxWavesPerEU

unsigned	LocalMemorySize

char	WavefrontSizeLog2

Detailed Description

Definition at line 29 of file AMDGPUSubtarget.h.

Member Enumeration Documentation

◆ Generation

enum llvm::AMDGPUSubtarget::Generation

Enumerator
INVALID
R600
R700
EVERGREEN
NORTHERN_ISLANDS
SOUTHERN_ISLANDS
SEA_ISLANDS
VOLCANIC_ISLANDS
GFX9
GFX10

Definition at line 31 of file AMDGPUSubtarget.h.

Constructor & Destructor Documentation

◆ AMDGPUSubtarget()

AMDGPUSubtarget::AMDGPUSubtarget ( const Triple & TT )

Definition at line 178 of file AMDGPUSubtarget.cpp.

◆ ~AMDGPUSubtarget()

virtual llvm::AMDGPUSubtarget::~AMDGPUSubtarget ( )

inlinevirtual

Definition at line 247 of file AMDGPUSubtarget.h.

Member Function Documentation

◆ get() [1/2]

const AMDGPUSubtarget & AMDGPUSubtarget::get ( const MachineFunction & MF )

static

Definition at line 1139 of file AMDGPUSubtarget.cpp.

References llvm::Triple::amdgcn, llvm::Triple::getArch(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), and llvm::TargetMachine::getTargetTriple().

Referenced by llvm::AMDGPUMachineFunction::AMDGPUMachineFunction(), llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), llvm::AMDGPUTargetLowering::getImplicitParameterOffset(), and promoteAllocasToVector().

◆ get() [2/2]

const AMDGPUSubtarget & AMDGPUSubtarget::get	(	const TargetMachine &	TM,
		const Function &	F
	)

static

Definition at line 1146 of file AMDGPUSubtarget.cpp.

References llvm::Triple::amdgcn, F, and TM.

◆ getAlignmentForImplicitArgPtr()

Align llvm::AMDGPUSubtarget::getAlignmentForImplicitArgPtr ( ) const

inline

Definition at line 197 of file AMDGPUSubtarget.h.

References Align, and isAmdHsaOS().

Referenced by getKernArgSegmentSize().

◆ getAMDGPUDwarfFlavour()

AMDGPUDwarfFlavour AMDGPUSubtarget::getAMDGPUDwarfFlavour ( ) const

Returns: Corresponsing DWARF register number mapping flavour for the WavefrontSize.

Definition at line 719 of file AMDGPUSubtarget.cpp.

References getWavefrontSize(), llvm::Wave32, and llvm::Wave64.

◆ 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 514 of file AMDGPUSubtarget.cpp.

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

Referenced by getFlatWorkGroupSizes().

◆ getExplicitKernArgSize()

uint64_t AMDGPUSubtarget::getExplicitKernArgSize	(	const Function &	F,
		Align &	MaxAlign
	)		const

Definition at line 678 of file AMDGPUSubtarget.cpp.

References Align, llvm::alignTo(), llvm::CallingConv::AMDGPU_KERNEL, Arg, assert(), DL, F, llvm::max(), llvm::None, and llvm::CallingConv::SPIR_KERNEL.

Referenced by getKernArgSegmentSize().

◆ 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 203 of file AMDGPUSubtarget.h.

References F, and isAmdHsaOrMesa().

Referenced by getKernArgSegmentSize(), and llvm::AMDGPUCallLowering::lowerFormalArgumentsKernel().

◆ 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 528 of file AMDGPUSubtarget.cpp.

References F, getDefaultFlatWorkGroupSize(), llvm::AMDGPU::getIntegerPairAttribute(), getMaxFlatWorkGroupSize(), and getMinFlatWorkGroupSize().

Referenced by getMaxLocalMemSizeWithWaveCount(), getMaxWorkitemID(), getOccupancyWithLocalMemSize(), getWavesPerEU(), and makeLIDRangeMetadata().

◆ getImplicitArgNumBytes()

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

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 672 of file AMDGPUSubtarget.cpp.

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

Referenced by getKernArgSegmentSize().

◆ getKernArgSegmentSize()

unsigned AMDGPUSubtarget::getKernArgSegmentSize	(	const Function &	F,
		Align &	MaxAlign
	)		const

Definition at line 702 of file AMDGPUSubtarget.cpp.

References llvm::alignTo(), F, getAlignmentForImplicitArgPtr(), getExplicitKernArgSize(), getExplicitKernelArgOffset(), and getImplicitArgNumBytes().

Referenced by llvm::AMDGPU::HSAMD::MetadataStreamerV3::getHSAKernelProps().

◆ getLocalMemorySize()

unsigned llvm::AMDGPUSubtarget::getLocalMemorySize ( ) const

inline

Definition at line 193 of file AMDGPUSubtarget.h.

References LocalMemorySize.

Referenced by getMaxLocalMemSizeWithWaveCount(), and getOccupancyWithLocalMemSize().

◆ getMaxFlatWorkGroupSize()

virtual unsigned llvm::AMDGPUSubtarget::getMaxFlatWorkGroupSize ( ) const

pure virtual

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

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

Referenced by getDefaultFlatWorkGroupSize(), and 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 458 of file AMDGPUSubtarget.cpp.

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

◆ getMaxWavesPerEU()

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 228 of file AMDGPUSubtarget.h.

References MaxWavesPerEU.

Referenced by llvm::GCNSubtarget::computeOccupancy(), getMaxLocalMemSizeWithWaveCount(), getOccupancyWithLocalMemSize(), llvm::GCNSubtarget::getOccupancyWithNumSGPRs(), llvm::GCNSubtarget::getOccupancyWithNumVGPRs(), and getWavesPerEU().

◆ getMaxWorkGroupsPerCU()

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

pure virtual

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

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

Referenced by getMaxLocalMemSizeWithWaveCount(), and getOccupancyWithLocalMemSize().

◆ getMaxWorkitemID()

unsigned AMDGPUSubtarget::getMaxWorkitemID	(	const Function &	Kernel,
		unsigned	Dimension
	)		const

Return the maximum workitem ID value in the function, for the given (0, 1, 2) dimension.

Definition at line 602 of file AMDGPUSubtarget.cpp.

References getFlatWorkGroupSizes(), getReqdWorkGroupSize(), and llvm::max().

◆ getMinFlatWorkGroupSize()

virtual unsigned llvm::AMDGPUSubtarget::getMinFlatWorkGroupSize ( ) const

pure virtual

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

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

Referenced by getFlatWorkGroupSizes().

◆ getMinWavesPerEU()

virtual unsigned llvm::AMDGPUSubtarget::getMinWavesPerEU ( ) const

pure virtual

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

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

Referenced by getWavesPerEU().

◆ getOccupancyWithLocalMemSize() [1/2]

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

Definition at line 508 of file AMDGPUSubtarget.cpp.

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

◆ getOccupancyWithLocalMemSize() [2/2]

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 471 of file AMDGPUSubtarget.cpp.

References assert(), F, getFlatWorkGroupSizes(), getLocalMemorySize(), getMaxWavesPerEU(), getMaxWorkGroupsPerCU(), getWavefrontSize(), and llvm::min().

Referenced by llvm::GCNSubtarget::computeOccupancy(), getOccupancyWithLocalMemSize(), and llvm::SIRegisterInfo::getRegPressureLimit().

◆ getWavefrontSize()

unsigned llvm::AMDGPUSubtarget::getWavefrontSize ( ) const

inline

Definition at line 185 of file AMDGPUSubtarget.h.

References WavefrontSizeLog2.

Referenced by llvm::SIRegisterInfo::buildSpillLoadStore(), getAMDGPUDwarfFlavour(), getDefaultFlatWorkGroupSize(), llvm::AMDGPU::HSAMD::MetadataStreamerV3::getHSAKernelProps(), getOccupancyWithLocalMemSize(), llvm::SITargetLowering::getRegClassFor(), llvm::SIInstrInfo::getScratchRsrcWords23(), llvm::GCNSubtarget::isWave32(), llvm::GCNSubtarget::isWave64(), llvm::AMDGPULegalizerInfo::legalizeIntrinsic(), lowerFCMPIntrinsic(), lowerICMPIntrinsic(), and llvm::SITargetLowering::requiresUniformRegister().

◆ getWavefrontSizeLog2()

unsigned llvm::AMDGPUSubtarget::getWavefrontSizeLog2 ( ) const

inline

Definition at line 189 of file AMDGPUSubtarget.h.

References WavefrontSizeLog2.

Referenced by llvm::SIRegisterInfo::eliminateFrameIndex(), and llvm::GCNSubtarget::getKnownHighZeroBitsForFrameIndex().

◆ 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 551 of file AMDGPUSubtarget.cpp.

References F, getFlatWorkGroupSizes(), llvm::AMDGPU::getIntegerPairAttribute(), getMaxWavesPerEU(), getMinWavesPerEU(), and getWavesPerEUForWorkGroup().

Referenced by llvm::GCNSubtarget::getMaxNumSGPRs(), and llvm::GCNSubtarget::getMaxNumVGPRs().

◆ getWavesPerEUForWorkGroup()

virtual unsigned llvm::AMDGPUSubtarget::getWavesPerEUForWorkGroup ( unsigned FlatWorkGroupSize ) const

pure virtual

Returns: Number of waves per execution unit required to support the given FlatWorkGroupSize.

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

Referenced by getWavesPerEU().

◆ has16BitInsts()

bool llvm::AMDGPUSubtarget::has16BitInsts ( ) const

inline

Definition at line 133 of file AMDGPUSubtarget.h.

References Has16BitInsts.

◆ hasDsSrc2Insts()

bool llvm::AMDGPUSubtarget::hasDsSrc2Insts ( ) const

inline

Definition at line 145 of file AMDGPUSubtarget.h.

References HasDsSrc2Insts.

◆ hasFminFmaxLegacy()

bool llvm::AMDGPUSubtarget::hasFminFmaxLegacy ( ) const

inline

Definition at line 173 of file AMDGPUSubtarget.h.

References HasFminFmaxLegacy.

Referenced by AMDGPUPostLegalizerCombinerHelper::matchFMinFMaxLegacy(), and llvm::AMDGPUTargetLowering::performSelectCombine().

◆ hasInv2PiInlineImm()

bool llvm::AMDGPUSubtarget::hasInv2PiInlineImm ( ) const

inline

Definition at line 169 of file AMDGPUSubtarget.h.

References HasInv2PiInlineImm.

Referenced by llvm::SITargetLowering::checkAsmConstraintValA(), llvm::SIRegisterInfo::eliminateFrameIndex(), llvm::AMDGPUTargetLowering::isConstantCostlierToNegate(), and llvm::SIInstrInfo::isInlineConstant().

◆ hasMadMacF32Insts()

bool llvm::AMDGPUSubtarget::hasMadMacF32Insts ( ) const

inline

Definition at line 141 of file AMDGPUSubtarget.h.

References HasMadMacF32Insts, and isGCN().

Referenced by llvm::GCNTTIImpl::getArithmeticInstrCost(), llvm::SITargetLowering::isFMADLegal(), llvm::SITargetLowering::isFMAFasterThanFMulAndFAdd(), llvm::AMDGPUTargetLowering::LowerDIVREM24(), llvm::AMDGPUTargetLowering::LowerUDIVREM64(), and llvm::SITargetLowering::SITargetLowering().

◆ hasMadMixInsts()

bool llvm::AMDGPUSubtarget::hasMadMixInsts ( ) const

inline

Definition at line 137 of file AMDGPUSubtarget.h.

References HasMadMixInsts.

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

◆ hasMulI24()

bool llvm::AMDGPUSubtarget::hasMulI24 ( ) const

inline

Definition at line 157 of file AMDGPUSubtarget.h.

References HasMulI24.

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

◆ hasMulU24()

bool llvm::AMDGPUSubtarget::hasMulU24 ( ) const

inline

Definition at line 161 of file AMDGPUSubtarget.h.

References HasMulU24.

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

◆ hasSDWA()

bool llvm::AMDGPUSubtarget::hasSDWA ( ) const

inline

Definition at line 149 of file AMDGPUSubtarget.h.

References HasSDWA.

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

◆ hasSMulHi()

bool llvm::AMDGPUSubtarget::hasSMulHi ( ) const

inline

Definition at line 165 of file AMDGPUSubtarget.h.

References HasSMulHi.

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

◆ hasTrigReducedRange()

bool llvm::AMDGPUSubtarget::hasTrigReducedRange ( ) const

inline

Definition at line 177 of file AMDGPUSubtarget.h.

References HasTrigReducedRange.

Referenced by llvm::AMDGPULegalizerInfo::legalizeSinCos().

◆ hasVOP3PInsts()

bool llvm::AMDGPUSubtarget::hasVOP3PInsts ( ) const

inline

Definition at line 153 of file AMDGPUSubtarget.h.

References HasVOP3PInsts.

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

◆ isAmdHsaOrMesa()

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

inline

Definition at line 121 of file AMDGPUSubtarget.h.

References F, isAmdHsaOS(), and isMesaKernel().

Referenced by getExplicitKernelArgOffset().

◆ isAmdHsaOS()

bool llvm::AMDGPUSubtarget::isAmdHsaOS ( ) const

inline

Definition at line 107 of file AMDGPUSubtarget.h.

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

Referenced by getAlignmentForImplicitArgPtr(), llvm::SIInstrInfo::getDefaultRsrcDataFormat(), llvm::GCNSubtarget::getTrapHandlerAbi(), llvm::GCNSubtarget::initializeSubtargetDependencies(), isAmdHsaOrMesa(), llvm::SITargetLowering::LowerFormalArguments(), and llvm::AMDGPUAsmPrinter::runOnMachineFunction().

◆ isAmdPalOS()

bool llvm::AMDGPUSubtarget::isAmdPalOS ( ) const

inline

Definition at line 111 of file AMDGPUSubtarget.h.

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

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

◆ isGCN()

bool llvm::AMDGPUSubtarget::isGCN ( ) const

inline

Definition at line 125 of file AMDGPUSubtarget.h.

References llvm::Triple::amdgcn, and llvm::Triple::getArch().

Referenced by hasMadMacF32Insts().

◆ isGCN3Encoding()

bool llvm::AMDGPUSubtarget::isGCN3Encoding ( ) const

inline

Definition at line 129 of file AMDGPUSubtarget.h.

References GCN3Encoding.

◆ isMesa3DOS()

bool llvm::AMDGPUSubtarget::isMesa3DOS ( ) const

inline

Definition at line 115 of file AMDGPUSubtarget.h.

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

Referenced by llvm::GCNSubtarget::isMesaGfxShader(), and isMesaKernel().

◆ isMesaKernel()

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

Definition at line 598 of file AMDGPUSubtarget.cpp.

References F, isMesa3DOS(), and llvm::AMDGPU::isShader().

Referenced by getImplicitArgNumBytes(), and isAmdHsaOrMesa().

◆ isPromoteAllocaEnabled()

bool llvm::AMDGPUSubtarget::isPromoteAllocaEnabled ( ) const

inline

Definition at line 181 of file AMDGPUSubtarget.h.

References EnablePromoteAlloca.

◆ makeLIDRangeMetadata()

bool AMDGPUSubtarget::makeLIDRangeMetadata ( Instruction * I ) const

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

Definition at line 610 of file AMDGPUSubtarget.cpp.

References llvm::MDBuilder::createRange(), F, getFlatWorkGroupSizes(), getReqdWorkGroupSize(), I, if(), LLVM_FALLTHROUGH, and llvm::max().

Member Data Documentation

◆ EnablePromoteAlloca

bool llvm::AMDGPUSubtarget::EnablePromoteAlloca

protected

Definition at line 60 of file AMDGPUSubtarget.h.

Referenced by isPromoteAllocaEnabled().

◆ GCN3Encoding

bool llvm::AMDGPUSubtarget::GCN3Encoding

protected

Definition at line 48 of file AMDGPUSubtarget.h.

Referenced by isGCN3Encoding().

◆ Has16BitInsts

bool llvm::AMDGPUSubtarget::Has16BitInsts

protected

Definition at line 49 of file AMDGPUSubtarget.h.

Referenced by has16BitInsts().

◆ HasDsSrc2Insts

bool llvm::AMDGPUSubtarget::HasDsSrc2Insts

protected

Definition at line 52 of file AMDGPUSubtarget.h.

Referenced by hasDsSrc2Insts().

◆ HasFminFmaxLegacy

bool llvm::AMDGPUSubtarget::HasFminFmaxLegacy

protected

Definition at line 59 of file AMDGPUSubtarget.h.

Referenced by hasFminFmaxLegacy(), and llvm::GCNSubtarget::initializeSubtargetDependencies().

◆ HasInv2PiInlineImm

bool llvm::AMDGPUSubtarget::HasInv2PiInlineImm

protected

Definition at line 58 of file AMDGPUSubtarget.h.

Referenced by hasInv2PiInlineImm().

◆ HasMadMacF32Insts

bool llvm::AMDGPUSubtarget::HasMadMacF32Insts

protected

Definition at line 51 of file AMDGPUSubtarget.h.

Referenced by hasMadMacF32Insts().

◆ HasMadMixInsts

bool llvm::AMDGPUSubtarget::HasMadMixInsts

protected

Definition at line 50 of file AMDGPUSubtarget.h.

Referenced by hasMadMixInsts().

◆ HasMulI24

bool llvm::AMDGPUSubtarget::HasMulI24

protected

Definition at line 55 of file AMDGPUSubtarget.h.

Referenced by hasMulI24(), and llvm::R600Subtarget::initializeSubtargetDependencies().

◆ HasMulU24

bool llvm::AMDGPUSubtarget::HasMulU24

protected

Definition at line 56 of file AMDGPUSubtarget.h.

Referenced by hasMulU24(), and llvm::R600Subtarget::initializeSubtargetDependencies().

◆ HasSDWA

bool llvm::AMDGPUSubtarget::HasSDWA

protected

Definition at line 53 of file AMDGPUSubtarget.h.

Referenced by hasSDWA().

◆ HasSMulHi

bool llvm::AMDGPUSubtarget::HasSMulHi

protected

Definition at line 57 of file AMDGPUSubtarget.h.

Referenced by hasSMulHi(), and llvm::GCNSubtarget::initializeSubtargetDependencies().

◆ HasTrigReducedRange

bool llvm::AMDGPUSubtarget::HasTrigReducedRange

protected

Definition at line 61 of file AMDGPUSubtarget.h.

Referenced by hasTrigReducedRange().

◆ HasVOP3PInsts

bool llvm::AMDGPUSubtarget::HasVOP3PInsts

protected

Definition at line 54 of file AMDGPUSubtarget.h.

Referenced by hasVOP3PInsts().

◆ LocalMemorySize

unsigned llvm::AMDGPUSubtarget::LocalMemorySize

protected

Definition at line 63 of file AMDGPUSubtarget.h.

Referenced by getLocalMemorySize(), and llvm::GCNSubtarget::initializeSubtargetDependencies().

◆ MaxWavesPerEU

unsigned llvm::AMDGPUSubtarget::MaxWavesPerEU

protected

Definition at line 62 of file AMDGPUSubtarget.h.

Referenced by llvm::GCNSubtarget::GCNSubtarget(), and getMaxWavesPerEU().

◆ WavefrontSizeLog2

char llvm::AMDGPUSubtarget::WavefrontSizeLog2

protected

Definition at line 64 of file AMDGPUSubtarget.h.

Referenced by getWavefrontSize(), getWavefrontSizeLog2(), and llvm::GCNSubtarget::initializeSubtargetDependencies().

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

Static Public Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ Generation

Constructor & Destructor Documentation

◆ AMDGPUSubtarget()

◆ ~AMDGPUSubtarget()

Member Function Documentation

◆ get() [1/2]

◆ get() [2/2]

◆ getAlignmentForImplicitArgPtr()

◆ getAMDGPUDwarfFlavour()

◆ getDefaultFlatWorkGroupSize()

◆ getExplicitKernArgSize()

◆ getExplicitKernelArgOffset()

◆ getFlatWorkGroupSizes()

◆ getImplicitArgNumBytes()

◆ getKernArgSegmentSize()

◆ getLocalMemorySize()

◆ getMaxFlatWorkGroupSize()

◆ getMaxLocalMemSizeWithWaveCount()

◆ getMaxWavesPerEU()

◆ getMaxWorkGroupsPerCU()

◆ getMaxWorkitemID()

◆ getMinFlatWorkGroupSize()

◆ getMinWavesPerEU()

◆ getOccupancyWithLocalMemSize() [1/2]

◆ getOccupancyWithLocalMemSize() [2/2]

◆ getWavefrontSize()

◆ getWavefrontSizeLog2()

◆ getWavesPerEU()

◆ getWavesPerEUForWorkGroup()

◆ has16BitInsts()

◆ hasDsSrc2Insts()

◆ hasFminFmaxLegacy()

◆ hasInv2PiInlineImm()

◆ hasMadMacF32Insts()

◆ hasMadMixInsts()

◆ hasMulI24()

◆ hasMulU24()

◆ hasSDWA()

◆ hasSMulHi()

◆ hasTrigReducedRange()

◆ hasVOP3PInsts()

◆ isAmdHsaOrMesa()

◆ isAmdHsaOS()

◆ isAmdPalOS()

◆ isGCN()

◆ isGCN3Encoding()

◆ isMesa3DOS()

◆ isMesaKernel()

◆ isPromoteAllocaEnabled()

◆ makeLIDRangeMetadata()

Member Data Documentation

◆ EnablePromoteAlloca

◆ GCN3Encoding

◆ Has16BitInsts

◆ HasDsSrc2Insts

◆ HasFminFmaxLegacy

◆ HasInv2PiInlineImm

◆ HasMadMacF32Insts

◆ HasMadMixInsts

◆ HasMulI24

◆ HasMulU24

◆ HasSDWA

◆ HasSMulHi

◆ HasTrigReducedRange

◆ HasVOP3PInsts

◆ LocalMemorySize

◆ MaxWavesPerEU

◆ WavefrontSizeLog2