# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1383926870 -3600
# Node ID 0646713243fb5dadd3febbf41b2b9c7daf73a835
# Parent  64d960e854e6d9396af33f84970b1eb1e46490cd
Canonicalize convert of convert.

diff -r 64d960e854e6 -r 0646713243fb graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConvertNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConvertNode.java	Fri Nov 08 16:59:01 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConvertNode.java	Fri Nov 08 17:07:50 2013 +0100
@@ -235,6 +235,11 @@
     public Node canonical(CanonicalizerTool tool) {
         if (value.isConstant()) {
             return ConstantNode.forPrimitive(evalConst(value.asConstant()), graph());
+        } else if (value instanceof ConvertNode) {
+            ConvertNode other = (ConvertNode) value;
+            if (other.isLossless() && other.to != Kind.Char) {
+                return graph().unique(new ConvertNode(other.from, this.to, other.value()));
+            }
         }
         return this;
     }