--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/GetClassNode.java	Thu Apr 02 11:45:32 2015 +0200
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.nodes.extended;
+
+import com.oracle.graal.api.meta.Assumptions.AssumptionResult;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.compiler.common.type.*;
+import com.oracle.graal.graph.*;
+import com.oracle.graal.graph.spi.*;
+import com.oracle.graal.nodeinfo.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.calc.*;
+import com.oracle.graal.nodes.spi.*;
+
+/**
+ * Loads an object's class (i.e., this node can be created for {@code object.getClass()}).
+ */
+@NodeInfo
+public final class GetClassNode extends FloatingNode implements Lowerable, Canonicalizable, Virtualizable {
+
+    public static final NodeClass<GetClassNode> TYPE = NodeClass.create(GetClassNode.class);
+    @Input ValueNode object;
+
+    public ValueNode getObject() {
+        return object;
+    }
+
+    public GetClassNode(Stamp stamp, ValueNode object) {
+        super(TYPE, stamp);
+        this.object = object;
+    }
+
+    @Override
+    public void lower(LoweringTool tool) {
+        tool.getLowerer().lower(this, tool);
+    }
+
+    public static ValueNode tryFold(MetaAccessProvider metaAccess, ValueNode object) {
+        if (metaAccess != null && object != null && object.stamp() instanceof ObjectStamp) {
+            ObjectStamp objectStamp = (ObjectStamp) object.stamp();
+
+            ResolvedJavaType exactType = null;
+            if (objectStamp.isExactType()) {
+                exactType = objectStamp.type();
+            } else if (objectStamp.type() != null && object.graph().getAssumptions() != null) {
+                AssumptionResult<ResolvedJavaType> leafConcreteSubtype = objectStamp.type().findLeafConcreteSubtype();
+                if (leafConcreteSubtype != null) {
+                    exactType = leafConcreteSubtype.getResult();
+                    object.graph().getAssumptions().record(leafConcreteSubtype);
+                }
+            }
+
+            if (exactType != null) {
+                return ConstantNode.forConstant(exactType.getJavaClass(), metaAccess);
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public ValueNode canonical(CanonicalizerTool tool) {
+        ValueNode folded = tryFold(tool.getMetaAccess(), getObject());
+        return folded == null ? this : folded;
+    }
+
+    @Override
+    public void virtualize(VirtualizerTool tool) {
+        State state = tool.getObjectState(object);
+        if (state != null) {
+            Constant javaClass = state.getVirtualObject().type().getJavaClass();
+            tool.replaceWithValue(ConstantNode.forConstant(stamp(), javaClass, tool.getMetaAccessProvider(), graph()));
+        }
+    }
+}