--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/debug/instrumentation/IsMethodInlinedNode.java	2016-12-09 00:55:29.314181775 -0800
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 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.nodes.debug.instrumentation;
+
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_IGNORED;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_IGNORED;
+
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.Node;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.ConstantNode;
+import org.graalvm.compiler.nodes.FixedWithNextNode;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.spi.Lowerable;
+import org.graalvm.compiler.nodes.spi.LoweringTool;
+
+import jdk.vm.ci.meta.JavaKind;
+
+/**
+ * The {@code IsMethodInlinedNode} represents a boolean value indicating whether it is inlined into
+ * the current graph. There are two clues for the decision: first, the parsing depth, which is a
+ * contextual information during bytecode parsing; second, the original graph upon cloning, which
+ * can detect the inlining when comparing to the current graph.
+ */
+@NodeInfo(cycles = CYCLES_IGNORED, size = SIZE_IGNORED)
+public final class IsMethodInlinedNode extends FixedWithNextNode implements Lowerable, InstrumentationInliningCallback {
+
+    public static final NodeClass<IsMethodInlinedNode> TYPE = NodeClass.create(IsMethodInlinedNode.class);
+
+    protected StructuredGraph originalGraph;
+    protected int parsingDepth;
+
+    public IsMethodInlinedNode(int depth) {
+        super(TYPE, StampFactory.forKind(JavaKind.Boolean));
+        this.parsingDepth = depth;
+    }
+
+    @Override
+    protected void afterClone(Node other) {
+        if (other instanceof IsMethodInlinedNode) {
+            // keep track of the original graph
+            IsMethodInlinedNode that = (IsMethodInlinedNode) other;
+            this.originalGraph = that.originalGraph == null ? that.graph() : that.originalGraph;
+        }
+    }
+
+    private void resolve(StructuredGraph target) {
+        // if parsingDepth is greater than 0, then inlined
+        // if the original graph is null, which means this node is never cloned, then not inlined
+        // if the original graph does not match the current graph, then inlined
+        replaceAtUsages(ConstantNode.forBoolean(parsingDepth > 0 || (originalGraph != null && originalGraph != target), graph()));
+        graph().removeFixed(this);
+    }
+
+    @Override
+    public void lower(LoweringTool tool) {
+        resolve(graph());
+    }
+
+    @Override
+    public void preInlineInstrumentation(InstrumentationNode instrumentation) {
+        // This node will be further merged back to instrumentation.graph(). We care about if this
+        // node originates from instrumentation.graph().
+        resolve(instrumentation.graph());
+    }
+
+    @Override
+    public void postInlineInstrumentation(InstrumentationNode instrumentation) {
+    }
+
+}