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changeset 9586:c064c48b9387

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fix virtualization of ObjectEqualsNode
author Lukas Stadler <lukas.stadler@jku.at>
date Mon, 06 May 2013 16:58:23 +0200
parents d6bf345d58c1
children c84eb4661fe9
files graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java
diffstat 1 files changed, 10 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java	Mon May 06 15:25:33 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java	Mon May 06 16:58:23 2013 +0200
@@ -77,9 +77,16 @@
         boolean xVirtual = stateX != null && stateX.getState() == EscapeState.Virtual;
         boolean yVirtual = stateY != null && stateY.getState() == EscapeState.Virtual;
 
-        if (xVirtual ^ yVirtual) {
-            // one of them is virtual: they can never be the same objects
-            tool.replaceWithValue(LogicConstantNode.contradiction(graph()));
+        if (xVirtual && !yVirtual) {
+            if (stateX.getVirtualObject().hasIdentity()) {
+                // one of them is virtual: they can never be the same objects
+                tool.replaceWithValue(LogicConstantNode.contradiction(graph()));
+            }
+        } else if (!xVirtual && yVirtual) {
+            if (stateY.getVirtualObject().hasIdentity()) {
+                // one of them is virtual: they can never be the same objects
+                tool.replaceWithValue(LogicConstantNode.contradiction(graph()));
+            }
         } else if (xVirtual && yVirtual) {
             boolean xIdentity = stateX.getVirtualObject().hasIdentity();
             boolean yIdentity = stateY.getVirtualObject().hasIdentity();