org.graalvm.compiler.phases

Class PlaceholderPhase<C>

java.lang.Object

org.graalvm.compiler.phases.BasePhase<C>

org.graalvm.compiler.phases.PlaceholderPhase<C>

All Implemented Interfaces:

PhaseSizeContract

public class PlaceholderPhase<C>
extends BasePhase<C>

Base class to hold a place in a PhaseSuite. This phase should then be replaced before the execution of the phase suite by an instance of the given phase class.

Nested Class Summary

Nested classes/interfaces inherited from class org.graalvm.compiler.phases.BasePhase

BasePhase.ApplyScope, BasePhase.BasePhaseStatistics, BasePhase.NotApplicable, BasePhase.PhaseOptions, BasePhase.SharedGlobalPhaseState

Field Summary

Fields inherited from class org.graalvm.compiler.phases.BasePhase

ALWAYS_APPLICABLE

Constructor Summary

Constructors

Constructor and Description
PlaceholderPhase(Class<? extends BasePhase<? super C>> phaseClass)

Method Summary

Modifier and Type	Method and Description
Optional<BasePhase.NotApplicable>	canApply(GraphState graphState) Checks if all the preconditions to BasePhase.apply(StructuredGraph, Object, boolean) the phase are met.
Class<? extends BasePhase<? super C>>	getPhaseClass()
void	run(StructuredGraph graph, C context)

Methods inherited from class org.graalvm.compiler.phases.BasePhase

apply, apply, applyScope, codeSizeIncrease, contractorName, equals, getName, hashCode, mustApply, shouldDumpAfterAtBasicLevel, shouldDumpBeforeAtBasicLevel, updateGraphState

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.graalvm.compiler.phases.contract.PhaseSizeContract

checkContract

Constructor Detail

PlaceholderPhase

public PlaceholderPhase(Class<? extends BasePhase<? super C>> phaseClass)

Method Detail

getPhaseClass

public Class<? extends BasePhase<? super C>> getPhaseClass()

Returns:

the class of the phase that should replace this placeholder.

canApply

public Optional<BasePhase.NotApplicable> canApply(GraphState graphState)

Description copied from class: BasePhase

Checks if all the preconditions to BasePhase.apply(StructuredGraph, Object, boolean) the phase are met.

Overrides:

canApply in class BasePhase<C>

Parameters:

graphState - represents the state of the StructuredGraph used for compilation and contains the required information to determine if a phase can be applied.

Returns:

Optional.empty() if all the checks pass, Optional#of(NotApplicable) containing why this phase is not applicable on this graphState otherwise.

run

public void run(StructuredGraph graph,
                C context)

Specified by:

run in class BasePhase<C>