--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/Invoke.java	2017-02-15 17:06:43.616850753 -0800
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2011, 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;
+
+import org.graalvm.compiler.graph.Node;
+import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
+import org.graalvm.compiler.nodes.extended.GuardedNode;
+import org.graalvm.compiler.nodes.java.MethodCallTargetNode;
+import org.graalvm.compiler.nodes.spi.Lowerable;
+import org.graalvm.compiler.nodes.type.StampTool;
+
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import jdk.vm.ci.meta.ResolvedJavaType;
+
+public interface Invoke extends StateSplit, Lowerable, DeoptimizingNode.DeoptDuring, GuardedNode, FixedNodeInterface {
+
+    FixedNode next();
+
+    void setNext(FixedNode x);
+
+    CallTargetNode callTarget();
+
+    int bci();
+
+    Node predecessor();
+
+    ValueNode classInit();
+
+    void setClassInit(ValueNode node);
+
+    void intrinsify(Node node);
+
+    boolean useForInlining();
+
+    void setUseForInlining(boolean value);
+
+    /**
+     * True if this invocation is almost certainly polymorphic, false when in doubt.
+     */
+    boolean isPolymorphic();
+
+    void setPolymorphic(boolean value);
+
+    /**
+     * Returns the {@linkplain ResolvedJavaMethod method} from which this invoke is executed. This
+     * is the caller method and in the case of inlining may be different from the method of the
+     * graph this node is in.
+     *
+     * @return the method from which this invoke is executed.
+     */
+    default ResolvedJavaMethod getContextMethod() {
+        FrameState state = stateAfter();
+        if (state == null) {
+            state = stateDuring();
+        }
+        return state.getMethod();
+    }
+
+    /**
+     * Returns the {@linkplain ResolvedJavaType type} from which this invoke is executed. This is
+     * the declaring type of the caller method.
+     *
+     * @return the type from which this invoke is executed.
+     */
+    default ResolvedJavaType getContextType() {
+        ResolvedJavaMethod contextMethod = getContextMethod();
+        if (contextMethod == null) {
+            return null;
+        }
+        return contextMethod.getDeclaringClass();
+    }
+
+    @Override
+    default void computeStateDuring(FrameState stateAfter) {
+        FrameState newStateDuring = stateAfter.duplicateModifiedDuringCall(bci(), asNode().getStackKind());
+        setStateDuring(newStateDuring);
+    }
+
+    default ValueNode getReceiver() {
+        assert getInvokeKind().hasReceiver();
+        return callTarget().arguments().get(0);
+    }
+
+    default ResolvedJavaType getReceiverType() {
+        ResolvedJavaType receiverType = StampTool.typeOrNull(getReceiver());
+        if (receiverType == null) {
+            receiverType = ((MethodCallTargetNode) callTarget()).targetMethod().getDeclaringClass();
+        }
+        return receiverType;
+    }
+
+    default InvokeKind getInvokeKind() {
+        return callTarget().invokeKind();
+    }
+}