llvm::mca::RetireStage Class Reference

#include "llvm/MCA/Stages/RetireStage.h"

Inheritance diagram for llvm::mca::RetireStage:

Collaboration diagram for llvm::mca::RetireStage:

Public Member Functions
	RetireStage (RetireControlUnit &R, RegisterFile &F)
bool	hasWorkToComplete () const override
	Returns true if some instructions are still executing this stage. More...
Error	cycleStart () override
	Called once at the start of each cycle. More...
Error	execute (InstRef &IR) override
	The primary action that this stage performs on instruction IR. More...
void	notifyInstructionRetired (const InstRef &IR) const
Public Member Functions inherited from llvm::mca::Stage
	Stage ()
virtual	~Stage ()
virtual bool	isAvailable (const InstRef &IR) const
	Returns true if it can execute IR during this cycle. More...
virtual Error	cycleEnd ()
	Called once at the end of each cycle. More...
void	setNextInSequence (Stage *NextStage)
bool	checkNextStage (const InstRef &IR) const
Error	moveToTheNextStage (InstRef &IR)
	Called when an instruction is ready to move the next pipeline stage. More...
void	addListener (HWEventListener *Listener)
	Add a listener to receive callbacks during the execution of this stage. More...
template<typename EventT >
void	notifyEvent (const EventT &Event) const
	Notify listeners of a particular hardware event. More...

Additional Inherited Members
Protected Member Functions inherited from llvm::mca::Stage
const std::set< HWEventListener * > &	getListeners () const

Detailed Description

Definition at line 27 of file RetireStage.h.

Constructor & Destructor Documentation

RetireStage()

llvm::mca::RetireStage::RetireStage ( RetireControlUnit &  R, RegisterFile &  F  )

inline

Definition at line 36 of file RetireStage.h.

Member Function Documentation

cycleStart()

llvm::Error llvm::mca::RetireStage::cycleStart ( )

overridevirtual

Called once at the start of each cycle.

This can be used as a setup phase to prepare for the executions during the cycle.

Reimplemented from llvm::mca::Stage.

Definition at line 26 of file RetireStage.cpp.

References llvm::mca::RetireControlUnit::consumeCurrentToken(), llvm::mca::RetireControlUnit::RUToken::Executed, llvm::mca::RetireControlUnit::getMaxRetirePerCycle(), llvm::mca::RetireControlUnit::RUToken::IR, llvm::mca::RetireControlUnit::isEmpty(), notifyInstructionRetired(), and llvm::mca::RetireControlUnit::peekCurrentToken().

Referenced by hasWorkToComplete().

execute()

llvm::Error llvm::mca::RetireStage::execute ( InstRef &  IR )

overridevirtual

The primary action that this stage performs on instruction IR.

Implements llvm::mca::Stage.

Definition at line 46 of file RetireStage.cpp.

References llvm::mca::InstRef::getInstruction(), llvm::mca::Instruction::getRCUTokenID(), and llvm::mca::RetireControlUnit::onInstructionExecuted().

Referenced by hasWorkToComplete().

hasWorkToComplete()

bool llvm::mca::RetireStage::hasWorkToComplete ( ) const

inlineoverridevirtual

Returns true if some instructions are still executing this stage.

Implements llvm::mca::Stage.

Definition at line 39 of file RetireStage.h.

References cycleStart(), execute(), IR, and notifyInstructionRetired().

notifyInstructionRetired()

void llvm::mca::RetireStage::notifyInstructionRetired

(

const InstRef &

IR

)

const

Definition at line 51 of file RetireStage.cpp.

References llvm::dbgs(), llvm::mca::InstRef::getInstruction(), llvm::mca::RegisterFile::getNumRegisterFiles(), LLVM_DEBUG, and llvm::mca::RegisterFile::removeRegisterWrite().

Referenced by cycleStart(), and hasWorkToComplete().

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

• include/llvm/MCA/Stages/RetireStage.h
• lib/MCA/Stages/RetireStage.cpp