class ExecuteStage

Declaration

class ExecuteStage : public Stage { /* full declaration omitted */ };

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:28

Inherits from: Stage

Member Variables

private llvm::mca::Scheduler& HWS

private unsigned int NumDispatchedOpcodes

private unsigned int NumIssuedOpcodes

private bool EnablePressureEvents

Method Overview

• private ExecuteStage(const llvm::mca::ExecuteStage & Other)
• public ExecuteStage(llvm::mca::Scheduler & S)
• public ExecuteStage(llvm::mca::Scheduler & S, bool ShouldPerformBottleneckAnalysis)
• public llvm::Error cycleEnd()
• public llvm::Error cycleStart()
• public llvm::Error execute(llvm::mca::InstRef & IR)
• private llvm::Error handleInstructionEliminated(llvm::mca::InstRef & IR)
• public bool hasWorkToComplete() const
• public bool isAvailable(const llvm::mca::InstRef & IR) const
• private llvm::Error issueInstruction(llvm::mca::InstRef & IR)
• private llvm::Error issueReadyInstructions()
• public void notifyInstructionExecuted(const llvm::mca::InstRef & IR) const
• public void notifyInstructionIssued(const llvm::mca::InstRef & IR, MutableArrayRef<llvm::mca::ResourceUse> Used) const
• public void notifyInstructionPending(const llvm::mca::InstRef & IR) const
• public void notifyInstructionReady(const llvm::mca::InstRef & IR) const
• public void notifyReservedOrReleasedBuffers(const llvm::mca::InstRef & IR, bool Reserved) const
• public void notifyResourceAvailable(const llvm::mca::ResourceRef & RR) const

Inherited from Stage:

• public addListener
• public checkNextStage
• public cycleEnd
• public cycleResume
• public cycleStart
• public execute
• protected getListeners
• public hasWorkToComplete
• public isAvailable
• public moveToTheNextStage
• public notifyEvent
• public setNextInSequence

Methods

¶ExecuteStage(const llvm::mca::ExecuteStage& Other)

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:46

Parameters

const llvm::mca::ExecuteStage& Other

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:50

Parameters

llvm::mca::Scheduler& S

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:51

Parameters

llvm::mca::Scheduler& S

bool ShouldPerformBottleneckAnalysis

¶llvm::Error cycleEnd()

Description

Called once at the end of each cycle.

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:72

¶llvm::Error cycleStart()

Description

Called once at the start of each cycle. This can be used as a setup phase to prepare for the executions during the cycle.

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:71

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

Description

The primary action that this stage performs on instruction IR.

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:73

Parameters

llvm::mca::InstRef& IR

¶llvm::Error handleInstructionEliminated(
    llvm::mca::InstRef& IR)

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:44

Parameters

llvm::mca::InstRef& IR

¶bool hasWorkToComplete() const

Description

Returns true if some instructions are still executing this stage.

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:61

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

Description

Returns true if it can execute IR during this cycle.

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:62

Parameters

const llvm::mca::InstRef& IR

¶llvm::Error issueInstruction(
    llvm::mca::InstRef& IR)

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:37

Parameters

llvm::mca::InstRef& IR

¶llvm::Error issueReadyInstructions()

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:41

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:77

Parameters

const llvm::mca::InstRef& IR

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:75

Parameters

const llvm::mca::InstRef& IR

MutableArrayRef<llvm::mca::ResourceUse> Used

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:78

Parameters

const llvm::mca::InstRef& IR

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:79

Parameters

const llvm::mca::InstRef& IR

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:83

Parameters

const llvm::mca::InstRef& IR

bool Reserved

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

Declared at: llvm/include/llvm/MCA/Stages/ExecuteStage.h:80

Parameters

const llvm::mca::ResourceRef& RR