Mercurial > hg > truffle
diff graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java @ 12380:e027a51bdd33
exclude java.lang.ref.Reference from Escape Analysis
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Mon, 14 Oct 2013 10:45:02 +0200 |
parents | 0fc653a9e019 |
children | c6ab6ae1b360 |
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--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java Sat Oct 12 20:08:36 2013 +0200 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java Mon Oct 14 10:45:02 2013 +0200 @@ -22,6 +22,8 @@ */ package com.oracle.graal.nodes.java; +import java.lang.ref.*; + import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; @@ -48,6 +50,7 @@ */ public NewInstanceNode(ResolvedJavaType type, boolean fillContents) { super(StampFactory.exactNonNull(type)); + assert !type.isArray(); this.instanceClass = type; this.fillContents = fillContents; } @@ -84,8 +87,11 @@ @Override public void virtualize(VirtualizerTool tool) { - if (instanceClass != null) { - assert !instanceClass().isArray(); + /* + * Reference objects can escape into their ReferenceQueue at any safepoint, therefore + * they're excluded from escape analysis. + */ + if (!tool.getMetaAccessProvider().lookupJavaType(Reference.class).isAssignableFrom(instanceClass)) { VirtualInstanceNode virtualObject = new VirtualInstanceNode(instanceClass(), true); ResolvedJavaField[] fields = virtualObject.getFields(); ValueNode[] state = new ValueNode[fields.length];