--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.microbenchmarks/src/micro/benchmarks/GuardedIntrinsicBenchmark.java	2017-02-15 17:06:12.985513374 -0800
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2015, 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 micro.benchmarks;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
+
+import org.graalvm.compiler.microbenchmarks.graal.GraalBenchmark;
+
+/**
+ * Benchmarks cost of guarded intrinsics at indirect call sites.
+ */
+public class GuardedIntrinsicBenchmark extends GraalBenchmark {
+
+    public static class HashcodeState {
+        public Object val1;
+        public Object val2;
+
+        public HashcodeState(Object val1, Object val2) {
+            this.val1 = val1;
+            this.val2 = val2;
+        }
+
+        int getNextHashCode() {
+            return val1.hashCode();
+        }
+
+        protected void swap() {
+            Object tmp = val1;
+            val1 = val2;
+            val2 = tmp;
+        }
+    }
+
+    /**
+     * Objects that all override {@link Object#hashCode()}. The objects used have hashCode
+     * implementations that are basically getters as we want to measure the overhead of hashCode
+     * dispatch, not the cost of the hashCode implementation.
+     */
+    @State(Scope.Benchmark)
+    public static class OverrideHashcode extends HashcodeState {
+        public OverrideHashcode() {
+            super(Short.valueOf((short) 100), Integer.valueOf(42));
+        }
+
+        @Setup(Level.Invocation)
+        public void beforeInvocation() {
+            swap();
+        }
+    }
+
+    @Benchmark
+    @Warmup(iterations = 10)
+    public int overrideHashCode(OverrideHashcode state) {
+        return state.getNextHashCode();
+    }
+
+    /**
+     * Objects that do not override {@link Object#hashCode()}.
+     */
+    @State(Scope.Benchmark)
+    public static class InheritHashcode extends HashcodeState {
+        public InheritHashcode() {
+            super(Class.class, Runtime.getRuntime());
+        }
+
+        @Setup(Level.Invocation)
+        public void beforeInvocation() {
+            swap();
+        }
+    }
+
+    @Benchmark
+    @Warmup(iterations = 10)
+    public int inheritHashCode(InheritHashcode state) {
+        return state.getNextHashCode();
+    }
+
+    /**
+     * Some objects that override {@link Object#hashCode()} and some that don't.
+     */
+    @State(Scope.Benchmark)
+    public static class MixedHashcode extends HashcodeState {
+        public MixedHashcode() {
+            super(Short.valueOf((short) 100), Runtime.getRuntime());
+        }
+
+        @Setup(Level.Invocation)
+        public void beforeInvocation() {
+            swap();
+        }
+    }
+
+    @Benchmark
+    @Warmup(iterations = 10)
+    public int mixedHashCode(MixedHashcode state) {
+        return state.getNextHashCode();
+    }
+}