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changeset 12406:11e4744f1e86

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Improve canonicalization of FixedGuardNode.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Mon, 14 Oct 2013 23:28:45 +0200
parents 139b84d713bc
children 53297646b011
files graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Mon Oct 14 23:28:10 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/FixedGuardNode.java	Mon Oct 14 23:28:45 2013 +0200
@@ -82,7 +82,7 @@
 
     @Override
     public void simplify(SimplifierTool tool) {
-        if (condition instanceof LogicNegationNode) {
+        while (condition instanceof LogicNegationNode) {
             LogicNegationNode negation = (LogicNegationNode) condition;
             setCondition(negation.getInput());
             negated = !negated;
@@ -100,7 +100,7 @@
                 deopt.setDeoptimizationState(getDeoptimizationState());
                 setNext(deopt);
             }
-            this.replaceAtUsages(BeginNode.prevBegin(this));
+            this.replaceAtUsages(null);
             graph().removeFixed(this);
         }
     }