--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/type/MethodPointerStamp.java	2016-12-09 00:49:46.481069731 -0800
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2014, 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.hotspot.nodes.type;
+
+import org.graalvm.compiler.core.common.type.AbstractPointerStamp;
+import org.graalvm.compiler.core.common.type.Stamp;
+
+import jdk.vm.ci.hotspot.HotSpotMemoryAccessProvider;
+import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;
+import jdk.vm.ci.meta.Constant;
+import jdk.vm.ci.meta.JavaConstant;
+import jdk.vm.ci.meta.MemoryAccessProvider;
+import jdk.vm.ci.meta.MetaAccessProvider;
+
+public final class MethodPointerStamp extends MetaspacePointerStamp {
+
+    private static final MethodPointerStamp METHOD = new MethodPointerStamp(false, false);
+
+    private static final MethodPointerStamp METHOD_NON_NULL = new MethodPointerStamp(true, false);
+
+    private static final MethodPointerStamp METHOD_ALWAYS_NULL = new MethodPointerStamp(false, true);
+
+    public static MethodPointerStamp method() {
+        return METHOD;
+    }
+
+    public static MethodPointerStamp methodNonNull() {
+        return METHOD_NON_NULL;
+    }
+
+    private MethodPointerStamp(boolean nonNull, boolean alwaysNull) {
+        super(nonNull, alwaysNull);
+    }
+
+    @Override
+    protected AbstractPointerStamp copyWith(boolean newNonNull, boolean newAlwaysNull) {
+        if (newNonNull) {
+            assert !newAlwaysNull;
+            return METHOD_NON_NULL;
+        } else if (newAlwaysNull) {
+            return METHOD_ALWAYS_NULL;
+        } else {
+            return METHOD;
+        }
+    }
+
+    @Override
+    public boolean isCompatible(Stamp otherStamp) {
+        if (this == otherStamp) {
+            return true;
+        }
+        return otherStamp instanceof MethodPointerStamp;
+    }
+
+    @Override
+    public boolean isCompatible(Constant constant) {
+        if (constant instanceof HotSpotMetaspaceConstant) {
+            return ((HotSpotMetaspaceConstant) constant).asResolvedJavaMethod() != null;
+        } else {
+            return super.isCompatible(constant);
+        }
+    }
+
+    @Override
+    public Stamp constant(Constant c, MetaAccessProvider meta) {
+        if (JavaConstant.NULL_POINTER.equals(c)) {
+            return METHOD_ALWAYS_NULL;
+        } else {
+            assert c instanceof HotSpotMetaspaceConstant;
+            return METHOD_NON_NULL;
+        }
+    }
+
+    @Override
+    public Constant readConstant(MemoryAccessProvider provider, Constant base, long displacement) {
+        HotSpotMemoryAccessProvider hsProvider = (HotSpotMemoryAccessProvider) provider;
+        return hsProvider.readMethodPointerConstant(base, displacement);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder ret = new StringBuilder("Method*");
+        appendString(ret);
+        return ret.toString();
+    }
+}