llvm::AMDGPUMachineFunction Class Reference

#include "Target/AMDGPU/AMDGPUMachineFunction.h"

Inheritance diagram for llvm::AMDGPUMachineFunction:

Collaboration diagram for llvm::AMDGPUMachineFunction:

Public Member Functions
	AMDGPUMachineFunction (const MachineFunction &MF)
uint64_t	getExplicitKernArgSize () const
unsigned	getMaxKernArgAlign () const
unsigned	getLDSSize () const
bool	isEntryFunction () const
bool	hasNoSignedZerosFPMath () const
bool	isMemoryBound () const
bool	needsWaveLimiter () const
unsigned	allocateLDSGlobal (const DataLayout &DL, const GlobalValue &GV)
Public Member Functions inherited from llvm::MachineFunctionInfo
virtual	~MachineFunctionInfo ()

Protected Attributes
uint64_t	ExplicitKernArgSize
Align	MaxKernArgAlign
unsigned	LDSSize
	Number of bytes in the LDS that are being used. More...
bool	IsEntryFunction
bool	NoSignedZerosFPMath
bool	MemoryBound
bool	WaveLimiter

Additional Inherited Members
Static Public Member Functions inherited from llvm::MachineFunctionInfo
template<typename Ty >
static Ty *	create (BumpPtrAllocator &Allocator, MachineFunction &MF)
	Factory function: default behavior is to call new using the supplied allocator. More...

Detailed Description

Definition at line 19 of file AMDGPUMachineFunction.h.

Constructor & Destructor Documentation

AMDGPUMachineFunction()

AMDGPUMachineFunction::AMDGPUMachineFunction

(

const MachineFunction &

MF

)

Definition at line 16 of file AMDGPUMachineFunction.cpp.

References llvm::CallingConv::AMDGPU_KERNEL, ExplicitKernArgSize, F(), llvm::AMDGPUSubtarget::get(), llvm::Function::getCallingConv(), llvm::AMDGPUSubtarget::getExplicitKernArgSize(), llvm::Function::getFnAttribute(), llvm::MachineFunction::getFunction(), llvm::Attribute::getValueAsString(), llvm::Attribute::isStringAttribute(), MaxKernArgAlign, MemoryBound, llvm::CallingConv::SPIR_KERNEL, llvm::ARM_MB::ST, and WaveLimiter.

Member Function Documentation

allocateLDSGlobal()

unsigned AMDGPUMachineFunction::allocateLDSGlobal	(	const DataLayout &	DL,
		const GlobalValue &	GV
	)

TODO: We should sort these to minimize wasted space due to alignment padding. Currently the padding is decided by the first encountered use during lowering.

Definition at line 44 of file AMDGPUMachineFunction.cpp.

References llvm::alignTo(), llvm::DataLayout::getABITypeAlignment(), llvm::GlobalValue::getAlignment(), llvm::DataLayout::getTypeAllocSize(), llvm::GlobalValue::getValueType(), and LDSSize.

Referenced by llvm::AMDGPULegalizerInfo::legalizeGlobalValue(), llvm::AMDGPUTargetLowering::LowerGlobalAddress(), and needsWaveLimiter().

getExplicitKernArgSize()

uint64_t llvm::AMDGPUMachineFunction::getExplicitKernArgSize ( ) const

inline

Definition at line 46 of file AMDGPUMachineFunction.h.

References ExplicitKernArgSize.

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

getLDSSize()

unsigned llvm::AMDGPUMachineFunction::getLDSSize ( ) const

inline

Definition at line 52 of file AMDGPUMachineFunction.h.

References LDSSize.

Referenced by llvm::SIInstrInfo::calculateLDSSpillAddress(), llvm::SITargetLowering::EmitInstrWithCustomInserter(), llvm::R600AsmPrinter::getPassName(), llvm::SIRegisterInfo::getRegPressureLimit(), hasAnyNonFlatUseOfReg(), llvm::SIMachineFunctionInfo::limitOccupancy(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

getMaxKernArgAlign()

unsigned llvm::AMDGPUMachineFunction::getMaxKernArgAlign ( ) const

inline

Definition at line 50 of file AMDGPUMachineFunction.h.

References llvm::Align::value().

hasNoSignedZerosFPMath()

bool llvm::AMDGPUMachineFunction::hasNoSignedZerosFPMath ( ) const

inline

Definition at line 60 of file AMDGPUMachineFunction.h.

References NoSignedZerosFPMath.

isEntryFunction()

bool llvm::AMDGPUMachineFunction::isEntryFunction ( ) const

inline

Definition at line 56 of file AMDGPUMachineFunction.h.

References IsEntryFunction.

Referenced by llvm::SIMachineFunctionInfo::allocateSGPRSpillToVGPR(), buildEpilogReload(), llvm::SIRegisterInfo::canRealignStack(), llvm::SIFrameLowering::determineCalleeSaves(), llvm::SIFrameLowering::determineCalleeSavesSGPR(), llvm::SIRegisterInfo::eliminateFrameIndex(), llvm::SIFrameLowering::emitEpilogue(), llvm::AMDGPUAsmPrinter::EmitFunctionBodyEnd(), llvm::AMDGPUAsmPrinter::EmitFunctionBodyStart(), llvm::AMDGPUAsmPrinter::EmitFunctionEntryLabel(), llvm::SIFrameLowering::emitPrologue(), llvm::SITargetLowering::finalizeLowering(), llvm::SIFrameLowering::hasFP(), llvm::SIInstrInfo::insertReturn(), llvm::AMDGPULegalizerInfo::legalizeGlobalValue(), llvm::AMDGPULegalizerInfo::legalizeImplicitArgPtr(), llvm::AMDGPUTargetLowering::LowerGlobalAddress(), llvm::SITargetLowering::LowerReturn(), parseTexFail(), llvm::SIFrameLowering::processFunctionBeforeFrameFinalized(), llvm::SIRegisterInfo::requiresRegisterScavenging(), llvm::AMDGPUAsmPrinter::runOnMachineFunction(), llvm::SITargetLowering::shouldEmitPCReloc(), llvm::SIMachineFunctionInfo::SIMachineFunctionInfo(), and llvm::SITargetLowering::supportSplitCSR().

isMemoryBound()

bool llvm::AMDGPUMachineFunction::isMemoryBound ( ) const

inline

Definition at line 64 of file AMDGPUMachineFunction.h.

References MemoryBound.

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

needsWaveLimiter()

bool llvm::AMDGPUMachineFunction::needsWaveLimiter ( ) const

inline

Definition at line 68 of file AMDGPUMachineFunction.h.

References allocateLDSGlobal(), and WaveLimiter.

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

Member Data Documentation

ExplicitKernArgSize

uint64_t llvm::AMDGPUMachineFunction::ExplicitKernArgSize

protected

Definition at line 25 of file AMDGPUMachineFunction.h.

Referenced by AMDGPUMachineFunction(), and getExplicitKernArgSize().

IsEntryFunction

bool llvm::AMDGPUMachineFunction::IsEntryFunction

protected

Definition at line 33 of file AMDGPUMachineFunction.h.

Referenced by isEntryFunction().

LDSSize

unsigned llvm::AMDGPUMachineFunction::LDSSize

protected

Number of bytes in the LDS that are being used.

Definition at line 29 of file AMDGPUMachineFunction.h.

Referenced by allocateLDSGlobal(), and getLDSSize().

MaxKernArgAlign

Align llvm::AMDGPUMachineFunction::MaxKernArgAlign

protected

Definition at line 26 of file AMDGPUMachineFunction.h.

Referenced by AMDGPUMachineFunction(), and llvm::SIMachineFunctionInfo::SIMachineFunctionInfo().

MemoryBound

bool llvm::AMDGPUMachineFunction::MemoryBound

protected

Definition at line 38 of file AMDGPUMachineFunction.h.

Referenced by AMDGPUMachineFunction(), and isMemoryBound().

NoSignedZerosFPMath

bool llvm::AMDGPUMachineFunction::NoSignedZerosFPMath

protected

Definition at line 35 of file AMDGPUMachineFunction.h.

Referenced by hasNoSignedZerosFPMath().

WaveLimiter

bool llvm::AMDGPUMachineFunction::WaveLimiter

protected

Definition at line 41 of file AMDGPUMachineFunction.h.

Referenced by AMDGPUMachineFunction(), and needsWaveLimiter().

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

• lib/Target/AMDGPU/AMDGPUMachineFunction.h
• lib/Target/AMDGPU/AMDGPUMachineFunction.cpp