com.oracle.graal.hotspot.replacements

Class HotSpotReplacementsUtil.HotSpotOptimizingLocationIdentity

java.lang.Object

jdk.internal.jvmci.meta.LocationIdentity

com.oracle.graal.nodes.NamedLocationIdentity

com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.HotSpotOptimizingLocationIdentity

All Implemented Interfaces:

CanonicalizableLocation, Kind.FormatWithToString

Enclosing class:

HotSpotReplacementsUtil

abstract static class HotSpotReplacementsUtil.HotSpotOptimizingLocationIdentity
extends NamedLocationIdentity
implements CanonicalizableLocation

Field Summary

Fields inherited from class com.oracle.graal.nodes.NamedLocationIdentity

ARRAY_LENGTH_LOCATION, FINAL_LOCATION

Fields inherited from class jdk.internal.jvmci.meta.LocationIdentity

ANY_LOCATION

Constructor Summary

Constructors

Constructor and Description
HotSpotOptimizingLocationIdentity(String name)

Method Summary

Modifier and Type	Method and Description
abstract ValueNode	canonicalizeRead(ValueNode read, AddressNode location, ValueNode object, CanonicalizerTool tool)
protected ValueNode	findReadHub(ValueNode object)
protected static ValueNode	foldIndirection(ValueNode read, ValueNode object, LocationIdentity otherLocation) Fold reads that convert from Class -> Hub -> Class or vice versa.

Methods inherited from class com.oracle.graal.nodes.NamedLocationIdentity

any, getArrayLocation, immutable, isImmutable, mutable, toString

Methods inherited from class jdk.internal.jvmci.meta.LocationIdentity

isAny, isMutable, isSingle, overlaps

Methods inherited from class java.lang.Object

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

Constructor Detail

HotSpotOptimizingLocationIdentity

HotSpotOptimizingLocationIdentity(String name)

Method Detail

canonicalizeRead

public abstract ValueNode canonicalizeRead(ValueNode read,
                                           AddressNode location,
                                           ValueNode object,
                                           CanonicalizerTool tool)

Specified by:

canonicalizeRead in interface CanonicalizableLocation

findReadHub

protected ValueNode findReadHub(ValueNode object)

foldIndirection

protected static ValueNode foldIndirection(ValueNode read,
                                           ValueNode object,
                                           LocationIdentity otherLocation)

Fold reads that convert from Class -> Hub -> Class or vice versa.

Parameters:

read -

object -

otherLocation -

Returns:

an earlier read or the original read