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changeset 11696:7f8c80e31750

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Fix GuardingPiNode to preserve checkcast semantics also if value of checkcast is unused.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 18 Sep 2013 02:41:41 +0200
parents e9cf2b37c713
children 56e59e384dc1
files graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java
diffstat 1 files changed, 3 insertions(+), 1 deletions(-) [+]
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line diff
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Wed Sep 18 00:38:19 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Wed Sep 18 02:41:41 2013 +0200
@@ -81,8 +81,10 @@
             throw new GraalInternalError("Cannot create guards in after-guard lowering");
         }
         GuardingNode guard = tool.createGuard(condition, reason, action, negated);
+        ValueAnchorNode anchor = graph().add(new ValueAnchorNode((ValueNode) guard));
         PiNode pi = graph().unique(new PiNode(object, stamp(), guard));
-        graph().replaceFixedWithFloating(this, pi);
+        replaceAtUsages(pi);
+        graph().replaceFixedWithFixed(this, anchor);
     }
 
     @Override