# HG changeset patch
# User Bernhard Urban <bernhard.urban@jku.at>
# Date 1380721419 -7200
# Node ID 2111551cfb3430916468d1a1bd4a653db1a43f9e
# Parent  3d97040060d4db982a077923169062157244159a
CommitAllocation: use INIT_LOCATION for initializing objects and arrays

diff -r 3d97040060d4 -r 2111551cfb34 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Wed Oct 02 11:16:21 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Wed Oct 02 15:43:39 2013 +0200
@@ -556,7 +556,7 @@
             ValueNode object = loadField.isStatic() ? ConstantNode.forObject(field.getDeclaringClass().mirror(), this, graph) : loadField.object();
             assert loadField.kind() != Kind.Illegal;
             BarrierType barrierType = getFieldLoadBarrierType(field);
-            ReadNode memoryRead = graph.add(new ReadNode(object, createFieldLocation(graph, field), loadField.stamp(), barrierType, (loadField.kind() == Kind.Object)));
+            ReadNode memoryRead = graph.add(new ReadNode(object, createFieldLocation(graph, field, false), loadField.stamp(), barrierType, (loadField.kind() == Kind.Object)));
             graph.replaceFixedWithFixed(loadField, memoryRead);
             tool.createNullCheckGuard(memoryRead, object);
 
@@ -571,7 +571,7 @@
             HotSpotResolvedJavaField field = (HotSpotResolvedJavaField) storeField.field();
             ValueNode object = storeField.isStatic() ? ConstantNode.forObject(field.getDeclaringClass().mirror(), this, graph) : storeField.object();
             BarrierType barrierType = getFieldStoreBarrierType(storeField);
-            WriteNode memoryWrite = graph.add(new WriteNode(object, storeField.value(), createFieldLocation(graph, field), barrierType, storeField.field().getKind() == Kind.Object));
+            WriteNode memoryWrite = graph.add(new WriteNode(object, storeField.value(), createFieldLocation(graph, field, false), barrierType, storeField.field().getKind() == Kind.Object));
             tool.createNullCheckGuard(memoryWrite, object);
             memoryWrite.setStateAfter(storeField.stateAfter());
             graph.replaceFixedWithFixed(storeField, memoryWrite);
@@ -596,7 +596,7 @@
             LoadIndexedNode loadIndexed = (LoadIndexedNode) n;
             GuardingNode boundsCheck = createBoundsCheck(loadIndexed, tool);
             Kind elementKind = loadIndexed.elementKind();
-            LocationNode arrayLocation = createArrayLocation(graph, elementKind, loadIndexed.index());
+            LocationNode arrayLocation = createArrayLocation(graph, elementKind, loadIndexed.index(), false);
             ReadNode memoryRead = graph.add(new ReadNode(loadIndexed.array(), arrayLocation, loadIndexed.stamp(), BarrierType.NONE, elementKind == Kind.Object));
             memoryRead.setGuard(boundsCheck);
             graph.replaceFixedWithFixed(loadIndexed, memoryRead);
@@ -604,7 +604,7 @@
             StoreIndexedNode storeIndexed = (StoreIndexedNode) n;
             GuardingNode boundsCheck = createBoundsCheck(storeIndexed, tool);
             Kind elementKind = storeIndexed.elementKind();
-            LocationNode arrayLocation = createArrayLocation(graph, elementKind, storeIndexed.index());
+            LocationNode arrayLocation = createArrayLocation(graph, elementKind, storeIndexed.index(), false);
             ValueNode value = storeIndexed.value();
             ValueNode array = storeIndexed.array();
 
@@ -719,7 +719,7 @@
                                 value = allocations[commit.getVirtualObjects().indexOf(value)];
                             }
                             if (!(value.isConstant() && value.asConstant().isDefaultForKind())) {
-                                WriteNode write = new WriteNode(newObject, value, createFieldLocation(graph, (HotSpotResolvedJavaField) virtualInstance.field(i)),
+                                WriteNode write = new WriteNode(newObject, value, createFieldLocation(graph, (HotSpotResolvedJavaField) virtualInstance.field(i), true),
                                                 virtualInstance.field(i).getKind() == Kind.Object ? BarrierType.IMPRECISE : BarrierType.NONE, virtualInstance.field(i).getKind() == Kind.Object);
 
                                 graph.addBeforeFixed(commit, graph.add(write));
@@ -737,7 +737,7 @@
                                 value = allocations[indexOf];
                             }
                             if (!(value.isConstant() && value.asConstant().isDefaultForKind())) {
-                                WriteNode write = new WriteNode(newObject, value, createArrayLocation(graph, element.getKind(), ConstantNode.forInt(i, graph)),
+                                WriteNode write = new WriteNode(newObject, value, createArrayLocation(graph, element.getKind(), ConstantNode.forInt(i, graph), true),
                                                 value.kind() == Kind.Object ? BarrierType.PRECISE : BarrierType.NONE, value.kind() == Kind.Object);
                                 graph.addBeforeFixed(commit, graph.add(write));
                             }
@@ -943,8 +943,9 @@
         return barrierType;
     }
 
-    protected static ConstantLocationNode createFieldLocation(StructuredGraph graph, HotSpotResolvedJavaField field) {
-        return ConstantLocationNode.create(field, field.getKind(), field.offset(), graph);
+    protected static ConstantLocationNode createFieldLocation(StructuredGraph graph, HotSpotResolvedJavaField field, boolean initialization) {
+        LocationIdentity loc = initialization ? INIT_LOCATION : field;
+        return ConstantLocationNode.create(loc, field.getKind(), field.offset(), graph);
     }
 
     public int getScalingFactor(Kind kind) {
@@ -955,9 +956,10 @@
         }
     }
 
-    protected IndexedLocationNode createArrayLocation(Graph graph, Kind elementKind, ValueNode index) {
+    protected IndexedLocationNode createArrayLocation(Graph graph, Kind elementKind, ValueNode index, boolean initialization) {
+        LocationIdentity loc = initialization ? INIT_LOCATION : NamedLocationIdentity.getArrayLocation(elementKind);
         int scale = getScalingFactor(elementKind);
-        return IndexedLocationNode.create(NamedLocationIdentity.getArrayLocation(elementKind), elementKind, getArrayBaseOffset(elementKind), index, graph, scale);
+        return IndexedLocationNode.create(loc, elementKind, getArrayBaseOffset(elementKind), index, graph, scale);
     }
 
     @Override