--- /dev/null	2017-09-15 12:06:07.000000000 -0700
+++ new/jdk/src/jdk.incubator.mvt/share/classes/jdk/incubator/mvt/ValueType.java	2017-09-15 12:06:07.000000000 -0700
@@ -0,0 +1,213 @@
+/*
+ * Copyright (c) 2017, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.incubator.mvt;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles.Lookup;
+import java.lang.invoke.MethodType;
+import java.lang.reflect.Field;
+
+import valhalla.shady.MinimalValueTypes_1_0;
+import valhalla.shady.ValueTypeHolder;
+
+/**
+ * Value type reflection support.
+ */
+public class ValueType<T> {
+    /**
+     * Returns a {@code ValueType} object representing the specified
+     * value-capable class.
+     *
+     * @param vcc Value-capable class
+     * @param <T> Value type
+     * @return a {@code ValueType} object representing the specified
+     *         value-capable class.
+     *
+     * @throws IllegalArgumentException if the specified {@code vcc}
+     *         is not a value-capable class.
+     */
+    public static <T> ValueType<T> forClass(Class<T> vcc) {
+        return new ValueType<>(MinimalValueTypes_1_0.getValueFor(vcc));
+    }
+
+    /**
+     * Returns {@code true} if the specified class is value-capable class.
+     *
+     * @param c a Class
+     * @return true if the specified class is a value-capable class.
+     */
+    public static boolean classHasValueType(Class<?> c) {
+        if (!MinimalValueTypes_1_0.isValueCapable(c)) {
+            return false;
+        }
+        return MinimalValueTypes_1_0.getValueTypeClass(c) != null;
+    }
+
+    private final ValueTypeHolder<T> valueTypeHolder;
+    private ValueType(ValueTypeHolder<T> vt) {
+        this.valueTypeHolder = vt;
+    }
+
+    /**
+     * Returns the value-capable class of this value type.
+     *
+     * @return the value-capable class of this value type.
+     */
+    public Class<T> boxClass() {
+        return valueTypeHolder.boxClass();
+    }
+
+    /**
+     * Returns the derived value type of this value type.
+     *
+     * @return the derived value type of this value type.
+     */
+    public Class<?> valueClass() {
+        return valueTypeHolder.valueClass();
+    }
+
+    /**
+     * Returns an array class of this value type.
+     *
+     * @return an array class of this value type.
+     */
+    public Class<?> arrayValueClass() {
+        return arrayValueClass(1);
+    }
+
+    /**
+     * Returns an array class of the specified dimension for this value type.
+     *
+     * @return an array class of the specified dimension for this value type.
+     */
+    public Class<?> arrayValueClass(int dims) {
+        String dimsStr = "[[[[[[[[[[[[[[[[";
+        if (dims < 1 || dims > 16) {
+            throw new IllegalArgumentException("cannot create array class for dimension > 16");
+        }
+        String cn = dimsStr.substring(0, dims) + "Q" + valueClass().getName() + ";";
+        return MinimalValueTypes_1_0.loadValueTypeClass(boxClass(), cn);
+    }
+
+    /**
+     * Returns a string representation of this value type.
+     *
+     * @return a string representation of this value type.
+     */
+    public String toString() {
+        return valueTypeHolder.toString();
+    }
+
+    public static <T> ValueType<T> make(Lookup lookup,
+                                        String name,
+                                        String[] fieldNames,
+                                        Class<?>... fieldTypes)
+        throws ReflectiveOperationException
+    {
+        if (fieldNames.length != fieldTypes.length) {
+            throw new IllegalArgumentException("Field names length and field types length must match");
+        }
+        if (!(fieldNames.length > 0)) {
+            throw new IllegalArgumentException("Field length must be greater than zero");
+        }
+        Class<T> vtClass = ValueTypeHolder.makeValueTypeClass(lookup, name, fieldNames, fieldTypes);
+        return forClass(vtClass);
+    }
+
+    // ()Q
+    public MethodHandle findConstructor(Lookup lookup, MethodType type)
+        throws NoSuchMethodException, IllegalAccessException {
+        return valueTypeHolder.findConstructor(lookup, type);
+    }
+
+    // (F1, ..., Fn)Q, fromDefault == true
+    // (Q, F1, ..., Fn)Q, fromDefault == false
+    public MethodHandle unreflectWithers(Lookup lookup,
+                                         boolean fromDefault,
+                                         Field... fields)
+        throws NoSuchFieldException, IllegalAccessException {
+        return valueTypeHolder.unreflectWithers(lookup, fromDefault, fields);
+    }
+
+    // (Q, T)Q
+    public MethodHandle findWither(Lookup lookup, String name, Class<?> type)
+        throws NoSuchFieldException, IllegalAccessException {
+        return valueTypeHolder.findWither(lookup, name, type);
+    }
+
+    public MethodHandle unbox() {
+        return valueTypeHolder.unbox();
+    }
+
+    public MethodHandle box() {
+        return valueTypeHolder.box();
+    }
+
+    public MethodHandle newArray() {
+        return valueTypeHolder.newArray();
+    }
+
+    public MethodHandle arrayGetter() {
+        return valueTypeHolder.arrayGetter();
+    }
+
+    public MethodHandle arraySetter() {
+        return valueTypeHolder.arraySetter();
+    }
+
+    public MethodHandle newMultiArray(int dims) {
+        return valueTypeHolder.newMultiArray(dims);
+    }
+
+    public MethodHandle arrayLength() {
+        return valueTypeHolder.arrayLength();
+    }
+
+    public MethodHandle identity() {
+        return valueTypeHolder.identity();
+    }
+
+    public MethodHandle findGetter(Lookup lookup, String name, Class<?> type)
+        throws NoSuchFieldException, IllegalAccessException {
+        return valueTypeHolder.findGetter(lookup, name, type);
+    }
+
+    public MethodHandle substitutabilityTest() {
+        return valueTypeHolder.substitutabilityTest();
+    }
+
+    public MethodHandle substitutabilityHashCode() {
+        return valueTypeHolder.substitutabilityHashCode();
+    }
+
+    public MethodHandle defaultValueConstant() {
+        return valueTypeHolder.defaultValueConstant();
+    }
+
+    public Field[] valueFields() {
+        return valueTypeHolder.valueFields();
+    }
+}