LLVM 22.0.0git
llvm::mca::ExecuteStage Class Referencefinal

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

Inheritance diagram for llvm::mca::ExecuteStage:
[legend]

Public Member Functions

 ExecuteStage (Scheduler &S)
 ExecuteStage (Scheduler &S, bool ShouldPerformBottleneckAnalysis)
bool hasWorkToComplete () const override
 Returns true if some instructions are still executing this stage.
bool isAvailable (const InstRef &IR) const override
 Returns true if it can execute IR during this cycle.
Error cycleStart () override
 Called once at the start of each cycle.
Error cycleEnd () override
 Called once at the end of each cycle.
Error execute (InstRef &IR) override
 The primary action that this stage performs on instruction IR.
void notifyInstructionIssued (const InstRef &IR, MutableArrayRef< ResourceUse > Used) const
void notifyInstructionExecuted (const InstRef &IR) const
void notifyInstructionPending (const InstRef &IR) const
void notifyInstructionReady (const InstRef &IR) const
void notifyResourceAvailable (const ResourceRef &RR) const
void notifyReservedOrReleasedBuffers (const InstRef &IR, bool Reserved) const
Public Member Functions inherited from llvm::mca::Stage
 Stage ()=default
virtual ~Stage ()
virtual Error cycleResume ()
 Called after the pipeline is resumed from pausing state.
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 28 of file ExecuteStage.h.

Constructor & Destructor Documentation

◆ ExecuteStage() [1/2]

llvm::mca::ExecuteStage::ExecuteStage ( Scheduler & S)
inline

Definition at line 50 of file ExecuteStage.h.

◆ ExecuteStage() [2/2]

llvm::mca::ExecuteStage::ExecuteStage ( Scheduler & S,
bool ShouldPerformBottleneckAnalysis )
inline

Definition at line 51 of file ExecuteStage.h.

Member Function Documentation

◆ cycleEnd()

◆ cycleStart()

Error llvm::mca::ExecuteStage::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 93 of file ExecuteStage.cpp.

References IR, llvm::mca::Stage::moveToTheNextStage(), notifyInstructionExecuted(), notifyInstructionPending(), notifyInstructionReady(), and notifyResourceAvailable().

◆ execute()

Error llvm::mca::ExecuteStage::execute ( InstRef & IR)
overridevirtual

◆ hasWorkToComplete()

bool llvm::mca::ExecuteStage::hasWorkToComplete ( ) const
inlineoverridevirtual

Returns true if some instructions are still executing this stage.

Implements llvm::mca::Stage.

Definition at line 61 of file ExecuteStage.h.

◆ isAvailable()

bool llvm::mca::ExecuteStage::isAvailable ( const InstRef & IR) const
overridevirtual

Returns true if it can execute IR during this cycle.

Reimplemented from llvm::mca::Stage.

Definition at line 43 of file ExecuteStage.cpp.

References IR, llvm::mca::Stage::notifyEvent(), and llvm::mca::toHWStallEventType().

Referenced by execute().

◆ notifyInstructionExecuted()

void llvm::mca::ExecuteStage::notifyInstructionExecuted ( const InstRef & IR) const

◆ notifyInstructionIssued()

void llvm::mca::ExecuteStage::notifyInstructionIssued ( const InstRef & IR,
MutableArrayRef< ResourceUse > Used ) const

Definition at line 252 of file ExecuteStage.cpp.

References assert(), llvm::dbgs(), IR, LLVM_DEBUG, and llvm::mca::Stage::notifyEvent().

◆ notifyInstructionPending()

void llvm::mca::ExecuteStage::notifyInstructionPending ( const InstRef & IR) const

◆ notifyInstructionReady()

void llvm::mca::ExecuteStage::notifyInstructionReady ( const InstRef & IR) const

◆ notifyReservedOrReleasedBuffers()

void llvm::mca::ExecuteStage::notifyReservedOrReleasedBuffers ( const InstRef & IR,
bool Reserved ) const

◆ notifyResourceAvailable()

void llvm::mca::ExecuteStage::notifyResourceAvailable ( const ResourceRef & RR) const

Definition at line 245 of file ExecuteStage.cpp.

References llvm::dbgs(), llvm::mca::Stage::getListeners(), and LLVM_DEBUG.

Referenced by cycleStart().


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