--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/TypeEqualityCheck.java	Wed Apr 27 11:50:44 2011 +0200
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2010, 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.sun.c1x.ir;
+
+import com.sun.c1x.debug.*;
+import com.sun.c1x.value.*;
+import com.sun.cri.ci.*;
+
+/**
+ * Checks the types of the two input values and deoptimizes if the condition does not hold.
+ *
+ * @author Thomas Wuerthinger
+ *
+ */
+public final class TypeEqualityCheck extends Guard {
+
+    Value left;
+    Value right;
+
+    public TypeEqualityCheck(Value left, Value right, FrameState stateBefore, Condition condition) {
+        super(condition, stateBefore);
+        this.left = left;
+        this.right = right;
+        assert left.kind == CiKind.Object;
+        assert right.kind == CiKind.Object;
+    }
+
+    public Value left() {
+        return left;
+    }
+
+    public Value right() {
+        return right;
+    }
+
+    @Override
+    public void inputValuesDo(ValueClosure closure) {
+        left = closure.apply(left);
+        right = closure.apply(right);
+    }
+
+    @Override
+    public void accept(ValueVisitor v) {
+        v.visitTypeEqualityCheck(this);
+    }
+
+    @Override
+    public void print(LogStream out) {
+        out.print("typeEqualityCheck ").print(left).print(" ").print(right);
+    }
+}