org.graalvm.compiler.phases.common

Class DeoptimizationGroupingPhase

java.lang.Object

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

org.graalvm.compiler.phases.common.DeoptimizationGroupingPhase

All Implemented Interfaces:

PhaseSizeContract

public class DeoptimizationGroupingPhase
extends BasePhase<MidTierContext>

This phase tries to find DeoptimizeNodes which use the same FrameState and merges them together.

Nested Class Summary

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

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

Constructor Summary

Constructors

Constructor and Description
DeoptimizationGroupingPhase()

Method Summary

Modifier and Type	Method and Description
float	codeSizeIncrease() Returns a factor >=1 that determines what the final code size in terms of the sum of the node code sizes NodeSize of all nodes is.
protected void	run(StructuredGraph graph, MidTierContext context)

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

apply, apply, applyScope, contractorName, equals, getName, hashCode, shouldDumpAfterAtBasicLevel, shouldDumpBeforeAtBasicLevel

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

DeoptimizationGroupingPhase

public DeoptimizationGroupingPhase()

Method Detail

run

protected void run(StructuredGraph graph,
                   MidTierContext context)

Specified by:

run in class BasePhase<MidTierContext>

codeSizeIncrease

public float codeSizeIncrease()

Description copied from interface: PhaseSizeContract

Returns a factor >=1 that determines what the final code size in terms of the sum of the node code sizes NodeSize of all nodes is.

Specified by:

codeSizeIncrease in interface PhaseSizeContract

Overrides:

codeSizeIncrease in class BasePhase<MidTierContext>

Returns:

a factor that determines how much the code size can be increased by this phase