--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.microbenchmarks/src/org/graalvm/compiler/microbenchmarks/graal/util/GraphState.java	2017-02-15 17:06:17.500709970 -0800
@@ -0,0 +1,83 @@
+/*
+ * 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 org.graalvm.compiler.microbenchmarks.graal.util;
+
+import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getGraph;
+import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getMethodFromMethodSpec;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+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.graalvm.compiler.debug.Debug;
+import org.graalvm.compiler.debug.DebugEnvironment;
+import org.graalvm.compiler.debug.internal.DebugScope;
+import org.graalvm.compiler.nodes.StructuredGraph;
+
+/**
+ * State providing a new copy of a graph for each invocation of a benchmark. Subclasses of this
+ * class are annotated with {@link MethodSpec} to specify the Java method that will be parsed to
+ * obtain the original graph.
+ */
+@State(Scope.Thread)
+public abstract class GraphState {
+
+    @SuppressWarnings("try")
+    public GraphState() {
+        // Ensure a debug configuration for this thread is initialized
+        if (Debug.isEnabled() && DebugScope.getConfig() == null) {
+            DebugEnvironment.initialize(System.out);
+        }
+
+        GraalState graal = new GraalState();
+        ResolvedJavaMethod method = graal.metaAccess.lookupJavaMethod(getMethodFromMethodSpec(getClass()));
+        StructuredGraph structuredGraph = null;
+        try (Debug.Scope s = Debug.scope("GraphState", method)) {
+            structuredGraph = preprocessOriginal(getGraph(graal, method));
+        } catch (Throwable t) {
+            Debug.handle(t);
+        }
+        this.originalGraph = structuredGraph;
+    }
+
+    protected StructuredGraph preprocessOriginal(StructuredGraph structuredGraph) {
+        return structuredGraph;
+    }
+
+    /**
+     * Original graph from which the per-benchmark invocation {@link #graph} is cloned.
+     */
+    private final StructuredGraph originalGraph;
+
+    /**
+     * The graph processed by the benchmark.
+     */
+    public StructuredGraph graph;
+
+    @Setup(Level.Invocation)
+    public void beforeInvocation() {
+        graph = (StructuredGraph) originalGraph.copy();
+    }
+}