#include "Target/AMDGPU/R600Subtarget.h"

Inheritance diagram for llvm::R600Subtarget:

Public Member Functions
	R600Subtarget (const Triple &TT, StringRef CPU, StringRef FS, const TargetMachine &TM)
	~R600Subtarget () override
const R600InstrInfo *	getInstrInfo () const override
const R600FrameLowering *	getFrameLowering () const override
const R600TargetLowering *	getTargetLowering () const override
const R600RegisterInfo *	getRegisterInfo () const override
const InstrItineraryData *	getInstrItineraryData () const override
const SelectionDAGTargetInfo *	getSelectionDAGInfo () const override
void	ParseSubtargetFeatures (StringRef CPU, StringRef TuneCPU, StringRef FS)
Generation	getGeneration () const
Align	getStackAlignment () const
R600Subtarget &	initializeSubtargetDependencies (const Triple &TT, StringRef GPU, StringRef FS)
bool	hasBFE () const
bool	hasBFI () const
bool	hasBCNT (unsigned Size) const
bool	hasBORROW () const
bool	hasCARRY () const
bool	hasCaymanISA () const
bool	hasFFBL () const
bool	hasFFBH () const
bool	hasFMA () const override
bool	hasMadMacF32Insts () const override
bool	enablePromoteAlloca () const override
bool	hasFP64 () const override
bool	hasCFALUBug () const
bool	hasVertexCache () const
short	getTexVTXClauseSize () const
bool	enableMachineScheduler () const override
bool	enableSubRegLiveness () const override
unsigned	getMaxWorkGroupsPerCU (unsigned FlatWorkGroupSize) const override
unsigned	getMinFlatWorkGroupSize () const override
unsigned	getMaxFlatWorkGroupSize () const override
unsigned	getWavesPerEUForWorkGroup (unsigned FlatWorkGroupSize) const override
unsigned	getMinWavesPerEU () const override
bool	requiresDisjointEarlyClobberAndUndef () const override
Public Member Functions inherited from llvm::AMDGPUSubtarget
	AMDGPUSubtarget (Triple TT)
std::pair< unsigned, unsigned >	getDefaultFlatWorkGroupSize (CallingConv::ID CC) const
std::pair< unsigned, unsigned >	getFlatWorkGroupSizes (const Function &F) const
std::optional< unsigned >	getReqdWorkGroupSize (const Function &F, unsigned Dim) const
bool	hasWavefrontsEvenlySplittingXDim (const Function &F, bool REquiresUniformYZ=false) const
std::pair< unsigned, unsigned >	getWavesPerEU (const Function &F) const
std::pair< unsigned, unsigned >	getWavesPerEU (const Function &F, std::pair< unsigned, unsigned > FlatWorkGroupSizes) const
	Overload which uses the specified values for the flat work group sizes, rather than querying the function itself.
std::pair< unsigned, unsigned >	getWavesPerEU (std::pair< unsigned, unsigned > FlatWorkGroupSizes, unsigned LDSBytes, const Function &F) const
	Overload which uses the specified values for the flat workgroup sizes and LDS space rather than querying the function itself.
std::pair< unsigned, unsigned >	getEffectiveWavesPerEU (std::pair< unsigned, unsigned > RequestedWavesPerEU, std::pair< unsigned, unsigned > FlatWorkGroupSizes, unsigned LDSBytes) const
	Returns the target minimum/maximum number of waves per EU.
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.
std::pair< unsigned, unsigned >	getOccupancyWithWorkGroupSizes (uint32_t LDSBytes, const Function &F) const
	Subtarget's minimum/maximum occupancy, in number of waves per EU, that can be achieved when the only function running on a CU is `F` and each workgroup running the function requires `LDSBytes` bytes of LDS space.
std::pair< unsigned, unsigned >	getOccupancyWithWorkGroupSizes (uint32_t LDSBytes, std::pair< unsigned, unsigned > FlatWorkGroupSizes) const
	Overload which uses the specified values for the flat work group sizes, rather than querying the function itself.
std::pair< unsigned, unsigned >	getOccupancyWithWorkGroupSizes (const MachineFunction &MF) const
	Subtarget's minimum/maximum occupancy, in number of waves per EU, that can be achieved when the only function running on a CU is `MF`.
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	useRealTrue16Insts () const
	Return true if real (non-fake) variants of True16 instructions using 16-bit registers should be code-generated.
bool	hasMulI24 () const
bool	hasMulU24 () const
bool	hasSMulHi () const
bool	hasFminFmaxLegacy () const
unsigned	getWavefrontSize () const
unsigned	getWavefrontSizeLog2 () const
unsigned	getLocalMemorySize () const
	Return the maximum number of bytes of LDS available for all workgroups running on the same WGP or CU.
unsigned	getAddressableLocalMemorySize () const
	Return the maximum number of bytes of LDS that can be allocated to a single workgroup.
unsigned	getEUsPerCU () const
	Number of SIMDs/EUs (execution units) per "CU" ("compute unit"), where the "CU" is the unit onto which workgroups are mapped.
Align	getAlignmentForImplicitArgPtr () const
unsigned	getExplicitKernelArgOffset () const
	Returns the offset in bytes from the start of the input buffer of the first explicit kernel argument.
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.
SmallVector< unsigned >	getMaxNumWorkGroups (const Function &F) const
	Return the number of work groups for the function.
bool	isSingleLaneExecution (const Function &Kernel) const
	Return true if only a single workitem can be active in a wave.
bool	makeLIDRangeMetadata (Instruction *I) const
	Creates value range metadata on an workitemid.* intrinsic call or load.
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 ()=default

Additional Inherited Members
Public Types inherited from llvm::AMDGPUSubtarget
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 , GFX11 = 10 , GFX12 = 11 , GFX13 = 12 }
Static Public Member Functions inherited from llvm::AMDGPUSubtarget
static const AMDGPUSubtarget &	get (const MachineFunction &MF)
static const AMDGPUSubtarget &	get (const TargetMachine &TM, const Function &F)
Protected Attributes inherited from llvm::AMDGPUSubtarget
bool	HasMulI24 = true
bool	HasMulU24 = true
bool	HasSMulHi = false
bool	HasFminFmaxLegacy = true
unsigned	EUsPerCU = 4
unsigned	MaxWavesPerEU = 10
unsigned	LocalMemorySize = 0
unsigned	AddressableLocalMemorySize = 0
char	WavefrontSizeLog2 = 0

Detailed Description

Definition at line 28 of file R600Subtarget.h.

Constructor & Destructor Documentation

◆ R600Subtarget()

R600Subtarget::R600Subtarget	(	const Triple &	TT,
		StringRef	CPU,
		StringRef	FS,
		const TargetMachine &	TM )

Definition at line 26 of file R600Subtarget.cpp.

References llvm::AMDGPUSubtarget::AddressableLocalMemorySize, llvm::AMDGPUSubtarget::AMDGPUSubtarget(), getStackAlignment(), initializeSubtargetDependencies(), and llvm::AMDGPUSubtarget::LocalMemorySize.

Referenced by initializeSubtargetDependencies().

◆ ~R600Subtarget()

R600Subtarget::~R600Subtarget ( )

overridedefault

Member Function Documentation

◆ enableMachineScheduler()

bool llvm::R600Subtarget::enableMachineScheduler ( ) const

inlineoverride

Definition at line 128 of file R600Subtarget.h.

◆ enablePromoteAlloca()

bool llvm::R600Subtarget::enablePromoteAlloca ( ) const

inlineoverride

Definition at line 118 of file R600Subtarget.h.

◆ enableSubRegLiveness()

bool llvm::R600Subtarget::enableSubRegLiveness ( ) const

inlineoverride

Definition at line 132 of file R600Subtarget.h.

◆ getFrameLowering()

const R600FrameLowering * llvm::R600Subtarget::getFrameLowering ( ) const

inlineoverride

Definition at line 52 of file R600Subtarget.h.

◆ getGeneration()

Generation llvm::R600Subtarget::getGeneration ( ) const

inline

Definition at line 72 of file R600Subtarget.h.

Referenced by hasBCNT(), hasBFE(), hasBFI(), hasBORROW(), hasCARRY(), hasFFBH(), hasFFBL(), and initializeSubtargetDependencies().

◆ getInstrInfo()

const R600InstrInfo * llvm::R600Subtarget::getInstrInfo ( ) const

inlineoverride

Definition at line 50 of file R600Subtarget.h.

Referenced by llvm::R600AsmPrinter::emitInstruction().

◆ getInstrItineraryData()

const InstrItineraryData * llvm::R600Subtarget::getInstrItineraryData ( ) const

inlineoverride

Definition at line 64 of file R600Subtarget.h.

◆ getMaxFlatWorkGroupSize()

unsigned llvm::R600Subtarget::getMaxFlatWorkGroupSize ( ) const

inlineoverridevirtual

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

Implements llvm::AMDGPUSubtarget.

Definition at line 148 of file R600Subtarget.h.

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

◆ getMaxWorkGroupsPerCU()

unsigned llvm::R600Subtarget::getMaxWorkGroupsPerCU ( unsigned FlatWorkGroupSize ) const

inlineoverridevirtual

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

Implements llvm::AMDGPUSubtarget.

Definition at line 138 of file R600Subtarget.h.

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

◆ getMinFlatWorkGroupSize()

unsigned llvm::R600Subtarget::getMinFlatWorkGroupSize ( ) const

inlineoverridevirtual

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

Implements llvm::AMDGPUSubtarget.

Definition at line 143 of file R600Subtarget.h.

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

◆ getMinWavesPerEU()

unsigned llvm::R600Subtarget::getMinWavesPerEU ( ) const

inlineoverridevirtual

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

Implements llvm::AMDGPUSubtarget.

Definition at line 161 of file R600Subtarget.h.

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

◆ getRegisterInfo()

const R600RegisterInfo * llvm::R600Subtarget::getRegisterInfo ( ) const

inlineoverride

Definition at line 60 of file R600Subtarget.h.

◆ getSelectionDAGInfo()

const SelectionDAGTargetInfo * R600Subtarget::getSelectionDAGInfo ( ) const

override

Definition at line 39 of file R600Subtarget.cpp.

◆ getStackAlignment()

Align llvm::R600Subtarget::getStackAlignment ( ) const

inline

Definition at line 76 of file R600Subtarget.h.

Referenced by R600Subtarget().

◆ getTargetLowering()

const R600TargetLowering * llvm::R600Subtarget::getTargetLowering ( ) const

inlineoverride

Definition at line 56 of file R600Subtarget.h.

◆ getTexVTXClauseSize()

short llvm::R600Subtarget::getTexVTXClauseSize ( ) const

inline

Definition at line 126 of file R600Subtarget.h.

◆ getWavesPerEUForWorkGroup()

unsigned llvm::R600Subtarget::getWavesPerEUForWorkGroup ( unsigned FlatWorkGroupSize ) const

inlineoverridevirtual

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

Implements llvm::AMDGPUSubtarget.

Definition at line 155 of file R600Subtarget.h.

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

◆ hasBCNT()

bool llvm::R600Subtarget::hasBCNT ( unsigned Size ) const

inline

Definition at line 89 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, getGeneration(), and Size.

◆ hasBFE()

bool llvm::R600Subtarget::hasBFE ( ) const

inline

Definition at line 81 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, and getGeneration().

◆ hasBFI()

bool llvm::R600Subtarget::hasBFI ( ) const

inline

Definition at line 85 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, and getGeneration().

◆ hasBORROW()

bool llvm::R600Subtarget::hasBORROW ( ) const

inline

Definition at line 96 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, and getGeneration().

◆ hasCARRY()

bool llvm::R600Subtarget::hasCARRY ( ) const

inline

Definition at line 100 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, and getGeneration().

◆ hasCaymanISA()

bool llvm::R600Subtarget::hasCaymanISA ( ) const

inline

Definition at line 104 of file R600Subtarget.h.

Referenced by initializeSubtargetDependencies().

◆ hasCFALUBug()

bool llvm::R600Subtarget::hasCFALUBug ( ) const

inline

Definition at line 122 of file R600Subtarget.h.

◆ hasFFBH()

bool llvm::R600Subtarget::hasFFBH ( ) const

inline

Definition at line 110 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, and getGeneration().

◆ hasFFBL()

bool llvm::R600Subtarget::hasFFBL ( ) const

inline

Definition at line 106 of file R600Subtarget.h.

References llvm::AMDGPUSubtarget::EVERGREEN, and getGeneration().

◆ hasFMA()

bool llvm::R600Subtarget::hasFMA ( ) const

inlineoverride

Definition at line 114 of file R600Subtarget.h.

◆ hasFP64()

bool llvm::R600Subtarget::hasFP64 ( ) const

inlineoverride

Definition at line 120 of file R600Subtarget.h.

◆ hasMadMacF32Insts()

bool llvm::R600Subtarget::hasMadMacF32Insts ( ) const

inlineoverride

Definition at line 116 of file R600Subtarget.h.

◆ hasVertexCache()

bool llvm::R600Subtarget::hasVertexCache ( ) const

inline

Definition at line 124 of file R600Subtarget.h.

◆ initializeSubtargetDependencies()

R600Subtarget & R600Subtarget::initializeSubtargetDependencies	(	const Triple &	TT,
		StringRef	GPU,
		StringRef	FS )

Definition at line 43 of file R600Subtarget.cpp.

References llvm::AMDGPUSubtarget::EVERGREEN, getGeneration(), hasCaymanISA(), llvm::AMDGPUSubtarget::HasMulI24, llvm::AMDGPUSubtarget::HasMulU24, ParseSubtargetFeatures(), and R600Subtarget().

Referenced by R600Subtarget().

◆ ParseSubtargetFeatures()

void llvm::R600Subtarget::ParseSubtargetFeatures	(	StringRef	CPU,
		StringRef	TuneCPU,
		StringRef	FS )

Referenced by initializeSubtargetDependencies().

◆ requiresDisjointEarlyClobberAndUndef()

bool llvm::R600Subtarget::requiresDisjointEarlyClobberAndUndef ( ) const

inlineoverride

Definition at line 165 of file R600Subtarget.h.

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

lib/Target/AMDGPU/R600Subtarget.h
lib/Target/AMDGPU/R600Subtarget.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ R600Subtarget()

◆ ~R600Subtarget()

Member Function Documentation

◆ enableMachineScheduler()

◆ enablePromoteAlloca()

◆ enableSubRegLiveness()

◆ getFrameLowering()

◆ getGeneration()

◆ getInstrInfo()

◆ getInstrItineraryData()

◆ getMaxFlatWorkGroupSize()

◆ getMaxWorkGroupsPerCU()

◆ getMinFlatWorkGroupSize()

◆ getMinWavesPerEU()

◆ getRegisterInfo()

◆ getSelectionDAGInfo()

◆ getStackAlignment()

◆ getTargetLowering()

◆ getTexVTXClauseSize()

◆ getWavesPerEUForWorkGroup()

◆ hasBCNT()

◆ hasBFE()

◆ hasBFI()

◆ hasBORROW()

◆ hasCARRY()

◆ hasCaymanISA()

◆ hasCFALUBug()

◆ hasFFBH()

◆ hasFFBL()

◆ hasFMA()

◆ hasFP64()

◆ hasMadMacF32Insts()

◆ hasVertexCache()

◆ initializeSubtargetDependencies()

◆ ParseSubtargetFeatures()

◆ requiresDisjointEarlyClobberAndUndef()