jdk.internal.jvmci.meta

Class SpeculationLog

java.lang.Object

jdk.internal.jvmci.meta.SpeculationLog

Direct Known Subclasses:

HotSpotSpeculationLog

public abstract class SpeculationLog
extends Object

Manages a list of unique deoptimization reasons.

Field Summary

Fields

Modifier and Type	Field and Description
private Set<Object>	failedSpeculations
private Object	lastFailed
private Collection<Object>	speculations

Constructor Summary

Constructors

Constructor and Description
SpeculationLog()

Method Summary

Modifier and Type	Method and Description
protected void	addSpeculation(Object reason)
void	collectFailedSpeculations()
boolean	maySpeculate(Object reason)
abstract JavaConstant	speculate(Object reason)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lastFailed

private volatile Object lastFailed

speculations

private volatile Collection<Object> speculations

failedSpeculations

private Set<Object> failedSpeculations

Constructor Detail

SpeculationLog

public SpeculationLog()

Method Detail

collectFailedSpeculations

public void collectFailedSpeculations()

maySpeculate

public boolean maySpeculate(Object reason)

addSpeculation

protected void addSpeculation(Object reason)

speculate

public abstract JavaConstant speculate(Object reason)