--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/java/MethodCallTargetNode.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,155 @@
+/*
+ * 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 com.oracle.max.graal.nodes.java;
+
+import com.oracle.max.graal.graph.*;
+import com.oracle.max.graal.nodes.*;
+import com.oracle.max.graal.nodes.spi.*;
+import com.oracle.max.graal.nodes.type.*;
+import com.sun.cri.ci.*;
+import com.sun.cri.ri.*;
+
+public class MethodCallTargetNode extends CallTargetNode implements Node.IterableNodeType, Canonicalizable {
+    public enum InvokeKind {
+        Interface,
+        Special,
+        Static,
+        Virtual
+    }
+
+    @Data private final RiType returnType;
+    @Data private RiResolvedMethod targetMethod;
+    @Data private InvokeKind invokeKind;
+    private final Stamp returnStamp;
+
+    /**
+     * @param arguments
+     */
+    public MethodCallTargetNode(InvokeKind invokeKind, RiResolvedMethod targetMethod, ValueNode[] arguments, RiType returnType) {
+        super(arguments);
+        this.invokeKind = invokeKind;
+        this.returnType = returnType;
+        this.targetMethod = targetMethod;
+        CiKind returnKind = targetMethod.signature().returnKind(false);
+        if (returnKind == CiKind.Object && returnType instanceof RiResolvedType) {
+            returnStamp = StampFactory.declared((RiResolvedType) returnType);
+        } else {
+            returnStamp = StampFactory.forKind(returnKind);
+        }
+    }
+
+    @Override
+    public RiType returnType() {
+        return returnType;
+    }
+
+    /**
+     * Gets the target method for this invocation instruction.
+     * @return the target method
+     */
+    public RiResolvedMethod targetMethod() {
+        return targetMethod;
+    }
+
+    public InvokeKind invokeKind() {
+        return invokeKind;
+    }
+
+    public void setInvokeKind(InvokeKind kind) {
+        this.invokeKind = kind;
+    }
+
+    public void setTargetMethod(RiResolvedMethod method) {
+        targetMethod = method;
+    }
+
+    /**
+     * Gets the instruction that produces the receiver object for this invocation, if any.
+     * @return the instruction that produces the receiver object for this invocation if any, {@code null} if this
+     *         invocation does not take a receiver object
+     */
+    public ValueNode receiver() {
+        return isStatic() ? null : arguments().get(0);
+    }
+
+    /**
+     * Checks whether this is an invocation of a static method.
+     * @return {@code true} if the invocation is a static invocation
+     */
+    public boolean isStatic() {
+        return invokeKind() == InvokeKind.Static;
+    }
+
+    @Override
+    public CiKind returnKind() {
+        return targetMethod().signature().returnKind(false);
+    }
+
+    public Invoke invoke() {
+        if (this.usages().size() == 0) {
+            return null;
+        }
+        return (Invoke) this.usages().iterator().next();
+    }
+
+
+    @Override
+    public boolean verify() {
+        assert usages().size() <= 1 : "call target may only be used by a single invoke";
+        for (Node n : usages()) {
+            assertTrue(n instanceof Invoke, "call target can only be used from an invoke (%s)", n);
+        }
+        return super.verify();
+    }
+
+    @Override
+    public String toString(Verbosity verbosity) {
+        if (verbosity == Verbosity.Long) {
+            return super.toString(Verbosity.Short) + "(" + targetMethod() + ")";
+        } else {
+            return super.toString(verbosity);
+        }
+    }
+
+    @Override
+    public Node canonical(CanonicalizerTool tool) {
+        if (!isStatic()) {
+            ValueNode receiver = receiver();
+            if (receiver != null && receiver.exactType() != null) {
+                if (invokeKind == InvokeKind.Interface) {
+                    invokeKind = InvokeKind.Virtual;
+                    targetMethod = receiver.exactType().resolveMethodImpl(targetMethod);
+                }
+                if (receiver.isConstant() && invokeKind == InvokeKind.Virtual) {
+                    invokeKind = InvokeKind.Special;
+                    targetMethod = receiver.exactType().resolveMethodImpl(targetMethod);
+                }
+            }
+        }
+        return this;
+    }
+
+    public Stamp returnStamp() {
+        return returnStamp;
+    }
+}