llvm::mca::InstrDesc Struct Reference

An instruction descriptor. More...

#include "llvm/MCA/Instruction.h"

Collaboration diagram for llvm::mca::InstrDesc:

Public Member Functions
bool	isZeroLatency () const
	InstrDesc ()=default
	InstrDesc (const InstrDesc &Other)=delete
InstrDesc &	operator= (const InstrDesc &Other)=delete

Public Attributes
SmallVector< WriteDescriptor, 4 >	Writes
SmallVector< ReadDescriptor, 4 >	Reads
SmallVector< std::pair< uint64_t, ResourceUsage >, 4 >	Resources
SmallVector< uint64_t, 4 >	Buffers
unsigned	MaxLatency
unsigned	NumMicroOps
bool	MayLoad
bool	MayStore
bool	HasSideEffects
bool	BeginGroup
bool	EndGroup
bool	MustIssueImmediately

Detailed Description

An instruction descriptor.

Definition at line 322 of file Instruction.h.

Constructor & Destructor Documentation

InstrDesc() [1/2]

llvm::mca::InstrDesc::InstrDesc ( )

default

InstrDesc() [2/2]

llvm::mca::InstrDesc::InstrDesc ( const InstrDesc &  Other )

delete

Member Function Documentation

isZeroLatency()

bool llvm::mca::InstrDesc::isZeroLatency ( ) const

inline

Definition at line 348 of file Instruction.h.

References llvm::SmallVectorBase::empty(), and Other.

Referenced by llvm::mca::Scheduler::mustIssueImmediately().

operator=()

InstrDesc& llvm::mca::InstrDesc::operator= ( const InstrDesc &  Other )

delete

Member Data Documentation

BeginGroup

bool llvm::mca::InstrDesc::BeginGroup

Definition at line 340 of file Instruction.h.

Referenced by llvm::mca::DispatchStage::isAvailable().

Buffers

SmallVector<uint64_t, 4> llvm::mca::InstrDesc::Buffers

Definition at line 331 of file Instruction.h.

Referenced by llvm::mca::Scheduler::dispatch(), llvm::mca::initializeUsedResources(), llvm::mca::Scheduler::isAvailable(), llvm::mca::Scheduler::issueInstruction(), llvm::mca::ExecuteStage::notifyReservedOrReleasedBuffers(), and llvm::mca::verifyOperands().

EndGroup

bool llvm::mca::InstrDesc::EndGroup

Definition at line 341 of file Instruction.h.

HasSideEffects

bool llvm::mca::InstrDesc::HasSideEffects

Definition at line 339 of file Instruction.h.

Referenced by llvm::mca::LSUnit::dispatch().

MaxLatency

unsigned llvm::mca::InstrDesc::MaxLatency

Definition at line 333 of file Instruction.h.

Referenced by llvm::mca::computeMaxLatency(), llvm::mca::InstructionBase::getLatency(), and llvm::mca::verifyOperands().

MayLoad

bool llvm::mca::InstrDesc::MayLoad

Definition at line 337 of file Instruction.h.

Referenced by llvm::mca::Scheduler::dispatch(), llvm::mca::LSUnit::dispatch(), llvm::mca::LSUnit::isAvailable(), llvm::mca::Scheduler::isReady(), llvm::mca::LSUnit::isReady(), llvm::mca::LSUnit::onInstructionExecuted(), and llvm::mca::verifyOperands().

MayStore

bool llvm::mca::InstrDesc::MayStore

Definition at line 338 of file Instruction.h.

Referenced by llvm::mca::Scheduler::dispatch(), llvm::mca::LSUnit::dispatch(), llvm::mca::LSUnit::isAvailable(), llvm::mca::Scheduler::isReady(), llvm::mca::LSUnit::isReady(), llvm::mca::LSUnit::onInstructionExecuted(), and llvm::mca::verifyOperands().

MustIssueImmediately

bool llvm::mca::InstrDesc::MustIssueImmediately

Definition at line 345 of file Instruction.h.

Referenced by llvm::mca::initializeUsedResources(), and llvm::mca::Scheduler::mustIssueImmediately().

NumMicroOps

unsigned llvm::mca::InstrDesc::NumMicroOps

Definition at line 335 of file Instruction.h.

Referenced by llvm::mca::DispatchStage::isAvailable(), and llvm::mca::verifyOperands().

Reads

SmallVector<ReadDescriptor, 4> llvm::mca::InstrDesc::Reads

Definition at line 324 of file Instruction.h.

Referenced by llvm::mca::InstrBuilder::createInstruction(), and llvm::mca::verifyOperands().

Resources

SmallVector<std::pair<uint64_t, ResourceUsage>, 4> llvm::mca::InstrDesc::Resources

Definition at line 328 of file Instruction.h.

Referenced by llvm::mca::ResourceManager::canBeIssued(), llvm::mca::InstructionTables::execute(), llvm::mca::initializeUsedResources(), llvm::mca::ResourceManager::issueInstruction(), and llvm::mca::verifyOperands().

Writes

SmallVector<WriteDescriptor, 4> llvm::mca::InstrDesc::Writes

Definition at line 323 of file Instruction.h.

Referenced by llvm::mca::InstrBuilder::createInstruction(), and llvm::mca::verifyOperands().

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

• include/llvm/MCA/Instruction.h