LLVM  6.0.0svn
Classes | Enumerations | Functions
llvm::AMDGPU::IsaInfo Namespace Reference

Classes

struct  IsaVersion
 Instruction set architecture version. More...
 

Enumerations

enum  { FIXED_NUM_SGPRS_FOR_INIT_BUG = 96 }
 

Functions

IsaVersion getIsaVersion (const FeatureBitset &Features)
 
void streamIsaVersion (const MCSubtargetInfo *STI, raw_ostream &Stream)
 Streams isa version string for given subtarget STI into Stream. More...
 
bool hasCodeObjectV3 (const FeatureBitset &Features)
 
unsigned getWavefrontSize (const FeatureBitset &Features)
 
unsigned getLocalMemorySize (const FeatureBitset &Features)
 
unsigned getEUsPerCU (const FeatureBitset &Features)
 
unsigned getMaxWorkGroupsPerCU (const FeatureBitset &Features, unsigned FlatWorkGroupSize)
 
unsigned getMaxWavesPerCU (const FeatureBitset &Features)
 
unsigned getMaxWavesPerCU (const FeatureBitset &Features, unsigned FlatWorkGroupSize)
 
unsigned getMinWavesPerEU (const FeatureBitset &Features)
 
unsigned getMaxWavesPerEU (const FeatureBitset &Features)
 
unsigned getMaxWavesPerEU (const FeatureBitset &Features, unsigned FlatWorkGroupSize)
 
unsigned getMinFlatWorkGroupSize (const FeatureBitset &Features)
 
unsigned getMaxFlatWorkGroupSize (const FeatureBitset &Features)
 
unsigned getWavesPerWorkGroup (const FeatureBitset &Features, unsigned FlatWorkGroupSize)
 
unsigned getSGPRAllocGranule (const FeatureBitset &Features)
 
unsigned getSGPREncodingGranule (const FeatureBitset &Features)
 
unsigned getTotalNumSGPRs (const FeatureBitset &Features)
 
unsigned getAddressableNumSGPRs (const FeatureBitset &Features)
 
unsigned getMinNumSGPRs (const FeatureBitset &Features, unsigned WavesPerEU)
 
unsigned getMaxNumSGPRs (const FeatureBitset &Features, unsigned WavesPerEU, bool Addressable)
 
unsigned getVGPRAllocGranule (const FeatureBitset &Features)
 
unsigned getVGPREncodingGranule (const FeatureBitset &Features)
 
unsigned getTotalNumVGPRs (const FeatureBitset &Features)
 
unsigned getAddressableNumVGPRs (const FeatureBitset &Features)
 
unsigned getMinNumVGPRs (const FeatureBitset &Features, unsigned WavesPerEU)
 
unsigned getMaxNumVGPRs (const FeatureBitset &Features, unsigned WavesPerEU)
 

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
FIXED_NUM_SGPRS_FOR_INIT_BUG 

Definition at line 42 of file AMDGPUBaseInfo.h.

Function Documentation

◆ getAddressableNumSGPRs()

unsigned llvm::AMDGPU::IsaInfo::getAddressableNumSGPRs ( const FeatureBitset Features)
Returns
Addressable number of SGPRs for given subtarget Features.

Definition at line 260 of file AMDGPUBaseInfo.cpp.

References FIXED_NUM_SGPRS_FOR_INIT_BUG, getIsaVersion(), llvm::AMDGPU::IsaInfo::IsaVersion::Major, and llvm::IndexedInstrProf::Version.

Referenced by llvm::SISubtarget::getAddressableNumSGPRs(), getMaxNumSGPRs(), and getMinNumSGPRs().

◆ getAddressableNumVGPRs()

unsigned llvm::AMDGPU::IsaInfo::getAddressableNumVGPRs ( const FeatureBitset Features)
Returns
Addressable number of VGPRs for given subtarget Features.

Definition at line 306 of file AMDGPUBaseInfo.cpp.

References getTotalNumVGPRs().

Referenced by llvm::SISubtarget::getAddressableNumVGPRs(), getMaxNumVGPRs(), and getMinNumVGPRs().

◆ getEUsPerCU()

unsigned llvm::AMDGPU::IsaInfo::getEUsPerCU ( const FeatureBitset Features)
Returns
Number of execution units per compute unit for given subtarget Features.

Definition at line 187 of file AMDGPUBaseInfo.cpp.

Referenced by llvm::AMDGPUSubtarget::getEUsPerCU(), getMaxWavesPerCU(), and getMaxWavesPerEU().

◆ getIsaVersion()

IsaVersion llvm::AMDGPU::IsaInfo::getIsaVersion ( const FeatureBitset Features)

◆ getLocalMemorySize()

unsigned llvm::AMDGPU::IsaInfo::getLocalMemorySize ( const FeatureBitset Features)
Returns
Local memory size in bytes for given subtarget Features.

Definition at line 178 of file AMDGPUBaseInfo.cpp.

◆ getMaxFlatWorkGroupSize()

unsigned llvm::AMDGPU::IsaInfo::getMaxFlatWorkGroupSize ( const FeatureBitset Features)
Returns
Maximum flat work group size for given subtarget Features.

Definition at line 232 of file AMDGPUBaseInfo.cpp.

Referenced by llvm::AMDGPUSubtarget::getMaxFlatWorkGroupSize().

◆ getMaxNumSGPRs()

unsigned llvm::AMDGPU::IsaInfo::getMaxNumSGPRs ( const FeatureBitset Features,
unsigned  WavesPerEU,
bool  Addressable 
)
Returns
Maximum number of SGPRs that meets the given number of waves per execution unit requirement for given subtarget Features.

Definition at line 281 of file AMDGPUBaseInfo.cpp.

References llvm::alignDown(), assert(), getAddressableNumSGPRs(), getIsaVersion(), getSGPRAllocGranule(), getTotalNumSGPRs(), llvm::AMDGPU::IsaInfo::IsaVersion::Major, and llvm::IndexedInstrProf::Version.

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

◆ getMaxNumVGPRs()

unsigned llvm::AMDGPU::IsaInfo::getMaxNumVGPRs ( const FeatureBitset Features,
unsigned  WavesPerEU 
)
Returns
Maximum number of VGPRs that meets given number of waves per execution unit requirement for given subtarget Features.

Definition at line 321 of file AMDGPUBaseInfo.cpp.

References llvm::alignDown(), assert(), getAddressableNumVGPRs(), getTotalNumVGPRs(), and getVGPRAllocGranule().

Referenced by llvm::SISubtarget::getMaxNumVGPRs(), and llvm::SISubtarget::getReservedNumVGPRs().

◆ getMaxWavesPerCU() [1/2]

unsigned llvm::AMDGPU::IsaInfo::getMaxWavesPerCU ( const FeatureBitset Features)
Returns
Maximum number of waves per compute unit for given subtarget Features without any kind of limitation.

Definition at line 202 of file AMDGPUBaseInfo.cpp.

References getEUsPerCU(), and getMaxWavesPerEU().

Referenced by llvm::AMDGPUSubtarget::getMaxWavesPerCU(), and getMaxWavesPerEU().

◆ getMaxWavesPerCU() [2/2]

unsigned llvm::AMDGPU::IsaInfo::getMaxWavesPerCU ( const FeatureBitset Features,
unsigned  FlatWorkGroupSize 
)
Returns
Maximum number of waves per compute unit for given subtarget Features and limited by given FlatWorkGroupSize.

Definition at line 206 of file AMDGPUBaseInfo.cpp.

References getWavesPerWorkGroup().

◆ getMaxWavesPerEU() [1/2]

unsigned llvm::AMDGPU::IsaInfo::getMaxWavesPerEU ( const FeatureBitset Features)
Returns
Maximum number of waves per execution unit for given subtarget Features without any kind of limitation.

Definition at line 215 of file AMDGPUBaseInfo.cpp.

Referenced by getMaxWavesPerCU(), llvm::AMDGPUSubtarget::getMaxWavesPerEU(), getMinNumSGPRs(), and getMinNumVGPRs().

◆ getMaxWavesPerEU() [2/2]

unsigned llvm::AMDGPU::IsaInfo::getMaxWavesPerEU ( const FeatureBitset Features,
unsigned  FlatWorkGroupSize 
)
Returns
Maximum number of waves per execution unit for given subtarget Features and limited by given FlatWorkGroupSize.

Definition at line 222 of file AMDGPUBaseInfo.cpp.

References llvm::alignTo(), getEUsPerCU(), and getMaxWavesPerCU().

◆ getMaxWorkGroupsPerCU()

unsigned llvm::AMDGPU::IsaInfo::getMaxWorkGroupsPerCU ( const FeatureBitset Features,
unsigned  FlatWorkGroupSize 
)
Returns
Maximum number of work groups per compute unit for given subtarget Features and limited by given FlatWorkGroupSize.

Definition at line 191 of file AMDGPUBaseInfo.cpp.

References getWavesPerWorkGroup(), and N.

Referenced by llvm::AMDGPUSubtarget::getMaxWorkGroupsPerCU().

◆ getMinFlatWorkGroupSize()

unsigned llvm::AMDGPU::IsaInfo::getMinFlatWorkGroupSize ( const FeatureBitset Features)
Returns
Minimum flat work group size for given subtarget Features.

Definition at line 228 of file AMDGPUBaseInfo.cpp.

Referenced by llvm::AMDGPUSubtarget::getMinFlatWorkGroupSize().

◆ getMinNumSGPRs()

unsigned llvm::AMDGPU::IsaInfo::getMinNumSGPRs ( const FeatureBitset Features,
unsigned  WavesPerEU 
)
Returns
Minimum number of SGPRs that meets the given number of waves per execution unit requirement for given subtarget Features.

Definition at line 270 of file AMDGPUBaseInfo.cpp.

References llvm::alignDown(), assert(), getAddressableNumSGPRs(), getMaxWavesPerEU(), getSGPRAllocGranule(), and getTotalNumSGPRs().

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

◆ getMinNumVGPRs()

unsigned llvm::AMDGPU::IsaInfo::getMinNumVGPRs ( const FeatureBitset Features,
unsigned  WavesPerEU 
)
Returns
Minimum number of VGPRs that meets given number of waves per execution unit requirement for given subtarget Features.

Definition at line 310 of file AMDGPUBaseInfo.cpp.

References llvm::alignDown(), assert(), getAddressableNumVGPRs(), getMaxWavesPerEU(), getTotalNumVGPRs(), and getVGPRAllocGranule().

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

◆ getMinWavesPerEU()

unsigned llvm::AMDGPU::IsaInfo::getMinWavesPerEU ( const FeatureBitset Features)
Returns
Minimum number of waves per execution unit for given subtarget Features.

Definition at line 211 of file AMDGPUBaseInfo.cpp.

Referenced by llvm::AMDGPUSubtarget::getMinWavesPerEU().

◆ getSGPRAllocGranule()

unsigned llvm::AMDGPU::IsaInfo::getSGPRAllocGranule ( const FeatureBitset Features)
Returns
SGPR allocation granularity for given subtarget Features.

Definition at line 242 of file AMDGPUBaseInfo.cpp.

References getIsaVersion(), llvm::AMDGPU::IsaInfo::IsaVersion::Major, and llvm::IndexedInstrProf::Version.

Referenced by getMaxNumSGPRs(), getMinNumSGPRs(), and llvm::SISubtarget::getSGPRAllocGranule().

◆ getSGPREncodingGranule()

unsigned llvm::AMDGPU::IsaInfo::getSGPREncodingGranule ( const FeatureBitset Features)
Returns
SGPR encoding granularity for given subtarget Features.

Definition at line 249 of file AMDGPUBaseInfo.cpp.

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

◆ getTotalNumSGPRs()

unsigned llvm::AMDGPU::IsaInfo::getTotalNumSGPRs ( const FeatureBitset Features)
Returns
Total number of SGPRs for given subtarget Features.

Definition at line 253 of file AMDGPUBaseInfo.cpp.

References getIsaVersion(), llvm::AMDGPU::IsaInfo::IsaVersion::Major, and llvm::IndexedInstrProf::Version.

Referenced by getMaxNumSGPRs(), getMinNumSGPRs(), getNumExtraSGPRs(), and llvm::SISubtarget::getTotalNumSGPRs().

◆ getTotalNumVGPRs()

unsigned llvm::AMDGPU::IsaInfo::getTotalNumVGPRs ( const FeatureBitset Features)
Returns
Total number of VGPRs for given subtarget Features.

Definition at line 302 of file AMDGPUBaseInfo.cpp.

Referenced by getAddressableNumVGPRs(), getMaxNumVGPRs(), getMinNumVGPRs(), and llvm::SISubtarget::getTotalNumVGPRs().

◆ getVGPRAllocGranule()

unsigned llvm::AMDGPU::IsaInfo::getVGPRAllocGranule ( const FeatureBitset Features)
Returns
VGPR allocation granularity for given subtarget Features.

Definition at line 294 of file AMDGPUBaseInfo.cpp.

Referenced by getMaxNumVGPRs(), getMinNumVGPRs(), llvm::SISubtarget::getVGPRAllocGranule(), and getVGPREncodingGranule().

◆ getVGPREncodingGranule()

unsigned llvm::AMDGPU::IsaInfo::getVGPREncodingGranule ( const FeatureBitset Features)
Returns
VGPR encoding granularity for given subtarget Features.

Definition at line 298 of file AMDGPUBaseInfo.cpp.

References getVGPRAllocGranule().

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

◆ getWavefrontSize()

unsigned llvm::AMDGPU::IsaInfo::getWavefrontSize ( const FeatureBitset Features)
Returns
Wavefront size for given subtarget Features.

Definition at line 169 of file AMDGPUBaseInfo.cpp.

Referenced by getWavesPerWorkGroup().

◆ getWavesPerWorkGroup()

unsigned llvm::AMDGPU::IsaInfo::getWavesPerWorkGroup ( const FeatureBitset Features,
unsigned  FlatWorkGroupSize 
)
Returns
Number of waves per work group for given subtarget Features and limited by given FlatWorkGroupSize.

Definition at line 236 of file AMDGPUBaseInfo.cpp.

References llvm::alignTo(), and getWavefrontSize().

Referenced by getMaxWavesPerCU(), getMaxWorkGroupsPerCU(), and llvm::AMDGPUSubtarget::getWavesPerWorkGroup().

◆ hasCodeObjectV3()

bool llvm::AMDGPU::IsaInfo::hasCodeObjectV3 ( const FeatureBitset Features)
Returns
True if given subtarget Features support code object version 3, false otherwise.

Definition at line 165 of file AMDGPUBaseInfo.cpp.

Referenced by llvm::AMDGPUAsmPrinter::EmitStartOfAsmFile().

◆ streamIsaVersion()

void llvm::AMDGPU::IsaInfo::streamIsaVersion ( const MCSubtargetInfo STI,
raw_ostream Stream 
)

Streams isa version string for given subtarget STI into Stream.

Definition at line 150 of file AMDGPUBaseInfo.cpp.

References llvm::raw_ostream::flush(), llvm::MCSubtargetInfo::getFeatureBits(), getIsaVersion(), and llvm::MCSubtargetInfo::getTargetTriple().

Referenced by llvm::AMDGPUAsmPrinter::EmitEndOfAsmFile(), and getSpecialRegForName().