--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.nodeinfo/src/org/graalvm/compiler/nodeinfo/NodeCycles.java	2016-12-09 00:54:44.723216257 -0800
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 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 org.graalvm.compiler.nodeinfo;
+
+/**
+ * Constants representing an estimation of the number of CPU cycles needed to execute a certain
+ * compiler node.
+ */
+public enum NodeCycles {
+
+    /**
+     * The default value of the {@link NodeInfo#cycles()} property.
+     * <p>
+     * For further information about the use of {@code CYCLES_UNSET} see {@link NodeInfo#cycles()}.
+     */
+    CYCLES_UNSET(0),
+    /**
+     * Nodes for which, due to arbitrary reasons, no estimation can be made either (1) statically
+     * without inspecting the properties of a node or (2) at all (like e.g. for an invocation).
+     * <p>
+     * Nodes annotated with {@code CYCLES_UNKNOWN} should specify the
+     * {@link NodeInfo#cyclesRationale()} property to clarify why an estimation cannot be done.
+     */
+    CYCLES_UNKNOWN(0),
+    /**
+     * Nodes for which runtime information is irrelevant and can be ignored, e.g. for test nodes.
+     */
+    CYCLES_IGNORED(0),
+    /**
+     * Nodes that do not consume any CPU time during the "execution", e.g. Constants.
+     */
+    CYCLES_0(0),
+    CYCLES_1(1),
+    CYCLES_2(2),
+    CYCLES_3(3),
+    CYCLES_4(4),
+    CYCLES_5(5),
+    CYCLES_6(6),
+    CYCLES_8(8),
+    CYCLES_10(10),
+    CYCLES_15(15),
+    CYCLES_20(20),
+    CYCLES_30(30),
+    CYCLES_40(40),
+    CYCLES_50(50),
+    CYCLES_80(80),
+    CYCLES_100(100),
+    CYCLES_200(200),
+    CYCLES_500(500);
+
+    public final int estimatedCPUCycles;
+
+    NodeCycles(int estimatedCPUCycles) {
+        this.estimatedCPUCycles = estimatedCPUCycles;
+    }
+
+    public static final int IGNORE_CYCLES_CONTRACT_FACTOR = 0xFFFF;
+
+}