# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1345465230 -7200
# Node ID 73d12bcca62e383fa5cf2feafcdba8f4389ed07e
# Parent  bb373a5fce7ead733b5f4527b6a2271784b459e1
improve PiNode stamp exactness

diff -r bb373a5fce7e -r 73d12bcca62e graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PiNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PiNode.java	Mon Aug 20 12:21:56 2012 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PiNode.java	Mon Aug 20 14:20:30 2012 +0200
@@ -61,6 +61,9 @@
             setStamp(StampFactory.alwaysNull());
             return true;
         }
+        if (object().objectStamp().isExactType() && !objectStamp().isExactType()) {
+            setStamp(object().objectStamp());
+        }
         return super.inferStamp();
     }
 }