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 ()=default
	Waitcnt (unsigned VmCnt, unsigned ExpCnt, unsigned LgkmCnt, unsigned VsCnt)
bool	hasWait () const
bool	hasWaitExceptVsCnt () const
bool	hasWaitVsCnt () const
bool	dominates (const Waitcnt &Other) const
Waitcnt	combined (const Waitcnt &Other) const

Static Public Member Functions
static Waitcnt	allZero (bool HasVscnt)
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 531 of file AMDGPUBaseInfo.h.

Constructor & Destructor Documentation

Waitcnt() [1/2]

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

default

Referenced by allZero(), allZeroExceptVsCnt(), and combined().

Waitcnt() [2/2]

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

inline

Definition at line 538 of file AMDGPUBaseInfo.h.

Member Function Documentation

allZero()

static Waitcnt llvm::AMDGPU::Waitcnt::allZero ( bool  HasVscnt )

inlinestatic

Definition at line 541 of file AMDGPUBaseInfo.h.

References Waitcnt().

allZeroExceptVsCnt()

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

inlinestatic

Definition at line 544 of file AMDGPUBaseInfo.h.

References Waitcnt().

combined()

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

inline

Definition at line 563 of file AMDGPUBaseInfo.h.

References ExpCnt, LgkmCnt, llvm::min(), Other, VmCnt, VsCnt, and Waitcnt().

dominates()

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

inline

Definition at line 558 of file AMDGPUBaseInfo.h.

References ExpCnt, LgkmCnt, Other, VmCnt, and VsCnt.

hasWait()

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

inline

Definition at line 546 of file AMDGPUBaseInfo.h.

References ExpCnt, LgkmCnt, VmCnt, and VsCnt.

hasWaitExceptVsCnt()

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

inline

Definition at line 550 of file AMDGPUBaseInfo.h.

References ExpCnt, LgkmCnt, and VmCnt.

hasWaitVsCnt()

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

inline

Definition at line 554 of file AMDGPUBaseInfo.h.

References VsCnt.

Member Data Documentation

ExpCnt

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

Definition at line 533 of file AMDGPUBaseInfo.h.

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

LgkmCnt

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

Definition at line 534 of file AMDGPUBaseInfo.h.

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

VmCnt

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

Definition at line 532 of file AMDGPUBaseInfo.h.

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

VsCnt

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

Definition at line 535 of file AMDGPUBaseInfo.h.

Referenced by combined(), dominates(), hasWait(), and hasWaitVsCnt().

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

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