--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/virtual/VirtualInstanceNode.java	2017-02-15 17:08:01.337252888 -0800
@@ -0,0 +1,122 @@
+/*
+ * 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 org.graalvm.compiler.nodes.virtual;
+
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodeinfo.Verbosity;
+import org.graalvm.compiler.nodes.FixedNode;
+import org.graalvm.compiler.nodes.ValueNode;
+
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.ResolvedJavaField;
+import jdk.vm.ci.meta.ResolvedJavaType;
+
+@NodeInfo(nameTemplate = "VirtualInstance {p#type/s}")
+public class VirtualInstanceNode extends VirtualObjectNode {
+
+    public static final NodeClass<VirtualInstanceNode> TYPE = NodeClass.create(VirtualInstanceNode.class);
+    protected final ResolvedJavaType type;
+    protected final ResolvedJavaField[] fields;
+
+    public VirtualInstanceNode(ResolvedJavaType type, boolean hasIdentity) {
+        this(type, type.getInstanceFields(true), hasIdentity);
+    }
+
+    public VirtualInstanceNode(ResolvedJavaType type, ResolvedJavaField[] fields, boolean hasIdentity) {
+        this(TYPE, type, fields, hasIdentity);
+    }
+
+    protected VirtualInstanceNode(NodeClass<? extends VirtualInstanceNode> c, ResolvedJavaType type, boolean hasIdentity) {
+        this(c, type, type.getInstanceFields(true), hasIdentity);
+    }
+
+    protected VirtualInstanceNode(NodeClass<? extends VirtualInstanceNode> c, ResolvedJavaType type, ResolvedJavaField[] fields, boolean hasIdentity) {
+        super(c, type, hasIdentity);
+        this.type = type;
+        this.fields = fields;
+    }
+
+    @Override
+    public ResolvedJavaType type() {
+        return type;
+    }
+
+    @Override
+    public int entryCount() {
+        return fields.length;
+    }
+
+    public ResolvedJavaField field(int index) {
+        return fields[index];
+    }
+
+    public ResolvedJavaField[] getFields() {
+        return fields;
+    }
+
+    @Override
+    public String toString(Verbosity verbosity) {
+        if (verbosity == Verbosity.Name) {
+            return super.toString(Verbosity.Name) + " " + type.toJavaName(false);
+        } else {
+            return super.toString(verbosity);
+        }
+    }
+
+    @Override
+    public String entryName(int index) {
+        return fields[index].getName();
+    }
+
+    public int fieldIndex(ResolvedJavaField field) {
+        // on average fields.length == ~6, so a linear search is fast enough
+        for (int i = 0; i < fields.length; i++) {
+            if (fields[i].equals(field)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    @Override
+    public int entryIndexForOffset(long constantOffset, JavaKind expectedEntryKind) {
+        return fieldIndex(type.findInstanceFieldWithOffset(constantOffset, expectedEntryKind));
+    }
+
+    @Override
+    public JavaKind entryKind(int index) {
+        assert index >= 0 && index < fields.length;
+        return fields[index].getJavaKind();
+    }
+
+    @Override
+    public VirtualInstanceNode duplicate() {
+        return new VirtualInstanceNode(type, fields, super.hasIdentity());
+    }
+
+    @Override
+    public ValueNode getMaterializedRepresentation(FixedNode fixed, ValueNode[] entries, LockState locks) {
+        return new AllocatedObjectNode(this);
+    }
+}