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changeset 5205:d753f4cdba25

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Fix for EscapeAnalysis at loopEnds
author Gilles Duboscq <duboscq@ssw.jku.at>
date Fri, 06 Apr 2012 16:30:18 +0200
parents 0a53ed842cb8
children b1f3593bc718
files graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/EscapeAnalysisPhase.java
diffstat 1 files changed, 6 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/EscapeAnalysisPhase.java	Fri Apr 06 16:03:51 2012 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/EscapeAnalysisPhase.java	Fri Apr 06 16:30:18 2012 +0200
@@ -130,8 +130,12 @@
 
         @Override
         public void loopEnds(LoopBeginNode loopBegin, List<BlockExitState> loopEndStates) {
-            while (!(virtualObjectField instanceof PhiNode)) {
-                virtualObjectField = ((VirtualObjectFieldNode) virtualObjectField).lastState();
+            while (!loopBegin.isPhiAtMerge(virtualObjectField)) {
+                if (virtualObjectField instanceof PhiNode) {
+                    virtualObjectField = ((PhiNode) virtualObjectField).valueAt(0);
+                } else {
+                    virtualObjectField = ((VirtualObjectFieldNode) virtualObjectField).lastState();
+                }
             }
             for (BlockExitState loopEndState : loopEndStates) {
                 ((PhiNode) virtualObjectField).addInput(loopEndState.virtualObjectField);