# HG changeset patch
# User Bernhard Urban <bernhard.urban@jku.at>
# Date 1371045881 -7200
# Node ID 03b822ee729e4344a5e552905a59d0b4e381255e
# Parent  10b8973ac37233660d6114a572f1967d31f25f20
LoadJavaMirrorWithKlassPhase: replace constants with floating nodes (GRAAL-290)

diff -r 10b8973ac372 -r 03b822ee729e graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/LoadJavaMirrorWithKlassPhase.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/LoadJavaMirrorWithKlassPhase.java	Wed Jun 12 14:00:26 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/LoadJavaMirrorWithKlassPhase.java	Wed Jun 12 16:04:41 2013 +0200
@@ -27,7 +27,6 @@
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.hotspot.meta.*;
 import com.oracle.graal.nodes.*;
-import com.oracle.graal.nodes.HeapAccess.WriteBarrierType;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.nodes.type.*;
 import com.oracle.graal.phases.*;
@@ -49,13 +48,9 @@
 
                     Stamp stamp = StampFactory.exactNonNull(runtime.lookupJavaType(Class.class));
                     LocationNode location = graph.unique(ConstantLocationNode.create(FINAL_LOCATION, stamp.kind(), runtime.config.classMirrorOffset, graph));
-                    ReadNode readNode = graph.add(new ReadNode(klassNode, location, stamp, WriteBarrierType.NONE, false));
+                    FloatingReadNode freadNode = graph.add(new FloatingReadNode(klassNode, location, null, stamp));
 
-                    FixedNode afterStart = graph.start().next();
-                    graph.start().setNext(readNode);
-                    readNode.setNext(afterStart);
-
-                    graph.replaceFloating(node, readNode);
+                    graph.replaceFloating(node, freadNode);
                 }
             }
         }