llvm::AMDGPU::Waitcnt Struct Reference

Represents the counter values to wait for in an s_waitcnt instruction. More...

#include "Target/AMDGPU/Utils/AMDGPUBaseInfo.h"

Collaboration diagram for llvm::AMDGPU::Waitcnt:

Public Member Functions
	Waitcnt ()
	Waitcnt (unsigned VmCnt, unsigned ExpCnt, unsigned LgkmCnt, unsigned VsCnt)
bool	hasWait () const
bool	dominates (const Waitcnt &Other) const
Waitcnt	combined (const Waitcnt &Other) const

Static Public Member Functions
static Waitcnt	allZero (const IsaVersion &Version)
static Waitcnt	allZeroExceptVsCnt ()

Public Attributes
unsigned	VmCnt = ~0u
unsigned	ExpCnt = ~0u
unsigned	LgkmCnt = ~0u
unsigned	VsCnt = ~0u

Detailed Description

Represents the counter values to wait for in an s_waitcnt instruction.

Large values (including the maximum possible integer) can be used to represent "don't care" waits.

Definition at line 345 of file AMDGPUBaseInfo.h.

Constructor & Destructor Documentation

Waitcnt() [1/2]

llvm::AMDGPU::Waitcnt::Waitcnt ( )

inline

Definition at line 351 of file AMDGPUBaseInfo.h.

Waitcnt() [2/2]

llvm::AMDGPU::Waitcnt::Waitcnt ( unsigned  VmCnt, unsigned  ExpCnt, unsigned  LgkmCnt, unsigned  VsCnt  )

inline

Definition at line 352 of file AMDGPUBaseInfo.h.

Member Function Documentation

allZero()

static Waitcnt llvm::AMDGPU::Waitcnt::allZero ( const IsaVersion &  Version )

inlinestatic

Definition at line 355 of file AMDGPUBaseInfo.h.

References llvm::AMDGPU::IsaVersion::Major.

Referenced by callWaitsOnFunctionReturn().

allZeroExceptVsCnt()

static Waitcnt llvm::AMDGPU::Waitcnt::allZeroExceptVsCnt ( )

inlinestatic

Definition at line 358 of file AMDGPUBaseInfo.h.

combined()

Waitcnt llvm::AMDGPU::Waitcnt::combined ( const Waitcnt &  Other ) const

inline

Definition at line 369 of file AMDGPUBaseInfo.h.

References llvm::AMDGPU::decodeExpcnt(), llvm::AMDGPU::Hwreg::decodeHwreg(), llvm::AMDGPU::decodeLgkmcnt(), llvm::AMDGPU::SendMsg::decodeMsg(), llvm::AMDGPU::decodeVmcnt(), llvm::AMDGPU::decodeWaitcnt(), llvm::AMDGPU::encodeExpcnt(), llvm::AMDGPU::Hwreg::encodeHwreg(), llvm::AMDGPU::encodeLgkmcnt(), llvm::AMDGPU::SendMsg::encodeMsg(), llvm::AMDGPU::encodeVmcnt(), llvm::AMDGPU::encodeWaitcnt(), ExpCnt, F(), llvm::AMDGPU::getExpcntBitMask(), llvm::AMDGPU::Hwreg::getHwreg(), llvm::AMDGPU::Hwreg::getHwregId(), llvm::AMDGPU::getInitialPSInputAddr(), llvm::AMDGPU::getLgkmcntBitMask(), llvm::AMDGPU::SendMsg::getMsgId(), llvm::AMDGPU::SendMsg::getMsgName(), llvm::AMDGPU::SendMsg::getMsgOpId(), llvm::AMDGPU::SendMsg::getMsgOpName(), llvm::AMDGPU::getVmcntBitMask(), llvm::AMDGPU::getWaitcntBitMask(), llvm::AMDGPU::isCompute(), llvm::AMDGPU::isEntryFunctionCC(), llvm::AMDGPU::isShader(), llvm::AMDGPU::Hwreg::isValidHwreg(), llvm::AMDGPU::Hwreg::isValidHwregOffset(), llvm::AMDGPU::Hwreg::isValidHwregWidth(), llvm::AMDGPU::SendMsg::isValidMsgId(), llvm::AMDGPU::SendMsg::isValidMsgOp(), llvm::AMDGPU::SendMsg::isValidMsgStream(), LgkmCnt, LLVM_READNONE, LLVM_READONLY, llvm::AMDGPU::SendMsg::msgRequiresOp(), llvm::AMDGPU::SendMsg::msgSupportsStream(), Name, llvm::FPOpFusion::Strict, llvm::IndexedInstrProf::Version, VmCnt, and VsCnt.

dominates()

bool llvm::AMDGPU::Waitcnt::dominates ( const Waitcnt &  Other ) const

inline

Definition at line 364 of file AMDGPUBaseInfo.h.

References ExpCnt, LgkmCnt, VmCnt, and VsCnt.

hasWait()

bool llvm::AMDGPU::Waitcnt::hasWait ( ) const

inline

Definition at line 360 of file AMDGPUBaseInfo.h.

Member Data Documentation

ExpCnt

unsigned llvm::AMDGPU::Waitcnt::ExpCnt = ~0u

Definition at line 347 of file AMDGPUBaseInfo.h.

Referenced by combined(), llvm::AMDGPU::decodeWaitcnt(), dominates(), and llvm::AMDGPU::encodeWaitcnt().

LgkmCnt

unsigned llvm::AMDGPU::Waitcnt::LgkmCnt = ~0u

Definition at line 348 of file AMDGPUBaseInfo.h.

Referenced by combined(), llvm::AMDGPU::decodeWaitcnt(), dominates(), and llvm::AMDGPU::encodeWaitcnt().

VmCnt

unsigned llvm::AMDGPU::Waitcnt::VmCnt = ~0u

Definition at line 346 of file AMDGPUBaseInfo.h.

Referenced by combined(), llvm::AMDGPU::decodeWaitcnt(), dominates(), and llvm::AMDGPU::encodeWaitcnt().

VsCnt

unsigned llvm::AMDGPU::Waitcnt::VsCnt = ~0u

Definition at line 349 of file AMDGPUBaseInfo.h.

Referenced by combined(), and dominates().

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The documentation for this struct was generated from the following file:

• lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h