# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1333994170 -7200
# Node ID 3a41de0ebbfb9b9135f0bc759761865a267176f5
# Parent  b3533c2e6adf5cda9857432a48431d5e4189986d
We can use a FloatingRead to get the arrayClass in storechecks

diff -r b3533c2e6adf -r 3a41de0ebbfb graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotRuntime.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotRuntime.java	Mon Apr 09 19:51:43 2012 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotRuntime.java	Mon Apr 09 19:56:10 2012 +0200
@@ -304,10 +304,9 @@
                     AnchorNode anchor = graph.add(new AnchorNode());
                     graph.addBeforeFixed(storeIndexed, anchor);
                     GuardNode guard = (GuardNode) tool.createGuard(graph.unique(new NullCheckNode(array, false)), RiDeoptReason.NullCheckException, RiDeoptAction.InvalidateReprofile, StructuredGraph.INVALID_GRAPH_ID);
-                    ReadNode arrayClass = graph.add(new ReadNode(array, LocationNode.create(LocationNode.FINAL_LOCATION, CiKind.Object, config.hubOffset, graph), StampFactory.objectNonNull()));
+                    FloatingReadNode arrayClass = graph.unique(new FloatingReadNode(array, null, LocationNode.create(LocationNode.FINAL_LOCATION, CiKind.Object, config.hubOffset, graph), StampFactory.objectNonNull()));
                     arrayClass.setGuard(guard);
-                    graph.addBeforeFixed(storeIndexed, arrayClass);
-                    FloatingReadNode arrayElementKlass = graph.add(new FloatingReadNode(arrayClass, null, LocationNode.create(LocationNode.FINAL_LOCATION, CiKind.Object, config.arrayClassElementOffset, graph), StampFactory.objectNonNull()));
+                    FloatingReadNode arrayElementKlass = graph.unique(new FloatingReadNode(arrayClass, null, LocationNode.create(LocationNode.FINAL_LOCATION, CiKind.Object, config.arrayClassElementOffset, graph), StampFactory.objectNonNull()));
                     value = graph.unique(new CheckCastNode(anchor, arrayElementKlass, null, value));
                 }
             }
diff -r b3533c2e6adf -r 3a41de0ebbfb graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Mon Apr 09 19:51:43 2012 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Mon Apr 09 19:56:10 2012 +0200
@@ -39,7 +39,7 @@
  */
 public final class CheckCastNode extends TypeCheckNode implements Canonicalizable, LIRLowerable, Node.IterableNodeType, TypeFeedbackProvider, TypeCanonicalizable {
 
-    @Input protected final FixedNode anchor;
+    @Input(notDataflow = true) protected final FixedNode anchor;
     @Data  protected final boolean emitCode;
 
     public FixedNode anchor() {