--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.meta/src/jdk/vm/ci/meta/Value.java	2017-02-15 16:56:17.133538539 -0800
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2009, 2016, 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 jdk.vm.ci.meta;
+
+/**
+ * Abstract base class for values.
+ */
+public abstract class Value {
+
+    public static final Value[] NO_VALUES = new Value[0];
+
+    public static final AllocatableValue ILLEGAL = new IllegalValue();
+
+    private static final class IllegalValue extends AllocatableValue {
+        private IllegalValue() {
+            super(ValueKind.Illegal);
+        }
+
+        @Override
+        public String toString() {
+            return "-";
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            // Due to de-serialization this object may exist multiple times. So we compare classes
+            // instead of the individual objects. (This anonymous class has always the same meaning)
+            return other instanceof IllegalValue;
+        }
+    }
+
+    private final ValueKind<?> valueKind;
+
+    /**
+     * Initializes a new value of the specified kind.
+     *
+     * @param valueKind the kind
+     */
+    protected Value(ValueKind<?> valueKind) {
+        this.valueKind = valueKind;
+    }
+
+    /**
+     * Returns a String representation of the kind, which should be the end of all
+     * {@link #toString()} implementation of subclasses.
+     */
+    protected final String getKindSuffix() {
+        return "|" + valueKind.getKindSuffix();
+    }
+
+    public final ValueKind<?> getValueKind() {
+        return valueKind;
+    }
+
+    public final <K extends ValueKind<K>> K getValueKind(Class<K> cls) {
+        return cls.cast(valueKind);
+    }
+
+    /**
+     * Returns the platform specific kind used to store this value.
+     */
+    public final PlatformKind getPlatformKind() {
+        return valueKind.getPlatformKind();
+    }
+
+    @Override
+    public int hashCode() {
+        return 41 + valueKind.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof Value) {
+            Value that = (Value) obj;
+            return valueKind.equals(that.valueKind);
+        }
+        return false;
+    }
+
+    /**
+     * Checks if this value is identical to {@code other}.
+     *
+     * Warning: Use with caution! Usually equivalence {@link #equals(Object)} is sufficient and
+     * should be used.
+     */
+    public final boolean identityEquals(Value other) {
+        return this == other;
+    }
+}