llvm::mca::EntryStage Class Reference

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

Inheritance diagram for llvm::mca::EntryStage:

Public Member Functions
	EntryStage (SourceMgr &SM)
bool	isAvailable (const InstRef &IR) const override
	Returns true if it can execute IR during this cycle.
bool	hasWorkToComplete () const override
	Returns true if some instructions are still executing this stage.
Error	execute (InstRef &IR) override
	The primary action that this stage performs on instruction IR.
Error	cycleStart () override
	Called once at the start of each cycle.
Error	cycleResume () override
	Called after the pipeline is resumed from pausing state.
Error	cycleEnd () override
	Called once at the end of each cycle.
Public Member Functions inherited from llvm::mca::Stage
	Stage ()=default
virtual	~Stage ()
virtual bool	isAvailable (const InstRef &IR) const
	Returns true if it can execute IR during this cycle.
virtual bool	hasWorkToComplete () const =0
	Returns true if some instructions are still executing this stage.
virtual Error	cycleStart ()
	Called once at the start of each cycle.
virtual Error	cycleResume ()
	Called after the pipeline is resumed from pausing state.
virtual Error	cycleEnd ()
	Called once at the end of each cycle.
virtual Error	execute (InstRef &IR)=0
	The primary action that this stage performs on instruction IR.
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.
void	addListener (HWEventListener *Listener)
	Add a listener to receive callbacks during the execution of this stage.
template<typename EventT >
void	notifyEvent (const EventT &Event) const
	Notify listeners of a particular hardware event.

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

Detailed Description

Definition at line 26 of file EntryStage.h.

Constructor & Destructor Documentation

EntryStage()

llvm::mca::EntryStage::EntryStage ( SourceMgr &  SM )

inline

Definition at line 39 of file EntryStage.h.

Member Function Documentation

cycleEnd()

llvm::Error llvm::mca::EntryStage::cycleEnd ( )

overridevirtual

Called once at the end of each cycle.

Reimplemented from llvm::mca::Stage.

Definition at line 68 of file EntryStage.cpp.

References llvm::drop_begin(), llvm::find_if(), and I.

cycleResume()

llvm::Error llvm::mca::EntryStage::cycleResume ( )

overridevirtual

Called after the pipeline is resumed from pausing state.

Reimplemented from llvm::mca::Stage.

Definition at line 63 of file EntryStage.cpp.

References assert().

cycleStart()

llvm::Error llvm::mca::EntryStage::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 57 of file EntryStage.cpp.

execute()

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

overridevirtual

The primary action that this stage performs on instruction IR.

Implements llvm::mca::Stage.

Definition at line 47 of file EntryStage.cpp.

References assert(), llvm::mca::InstRef::invalidate(), and llvm::mca::Stage::moveToTheNextStage().

hasWorkToComplete()

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

overridevirtual

Returns true if some instructions are still executing this stage.

Implements llvm::mca::Stage.

Definition at line 21 of file EntryStage.cpp.

References llvm::mca::SourceMgr::isEnd().

isAvailable()

bool llvm::mca::EntryStage::isAvailable ( const InstRef &  IR ) const

overridevirtual

Returns true if it can execute IR during this cycle.

Reimplemented from llvm::mca::Stage.

Definition at line 25 of file EntryStage.cpp.

References llvm::mca::Stage::checkNextStage().

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

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