org.graalvm.compiler.phases.common

Class InsertGuardFencesPhase

java.lang.Object

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

org.graalvm.compiler.phases.Phase

org.graalvm.compiler.phases.common.InsertGuardFencesPhase

All Implemented Interfaces:

PhaseSizeContract

public class InsertGuardFencesPhase
extends Phase

This phase sets the speculation fence flag on begin nodes in order to mitigate speculative execution attacks.

Nested Class Summary

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

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

Field Summary

Fields

Modifier and Type	Field and Description
static IntegerStamp	POSITIVE_ARRAY_INDEX_STAMP

Constructor Summary

Constructors

Constructor and Description
InsertGuardFencesPhase()

Method Summary

Modifier and Type	Method and Description
protected void	run(StructuredGraph graph)

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

apply, apply, run

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

apply, apply, applyScope, codeSizeIncrease, 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

Field Detail

POSITIVE_ARRAY_INDEX_STAMP

public static final IntegerStamp POSITIVE_ARRAY_INDEX_STAMP

Constructor Detail

InsertGuardFencesPhase

public InsertGuardFencesPhase()

Method Detail

run

protected void run(StructuredGraph graph)

Specified by:

run in class Phase