--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.graal.compiler/src/com/sun/c1x/value/ValueUtil.java	Wed Jun 08 08:42:25 2011 +0200
@@ -0,0 +1,84 @@
+/*
+ * 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.sun.c1x.value;
+
+import com.sun.c1x.ir.*;
+import com.sun.c1x.util.*;
+import com.sun.cri.ci.*;
+
+
+public class ValueUtil {
+
+    public static Value assertKind(CiKind kind, Value x) {
+        assert x != null && (x.kind == kind) : "kind=" + kind + ", value=" + x + ((x == null) ? "" : ", value.kind=" + x.kind);
+        return x;
+    }
+
+    public static Value assertLong(Value x) {
+        assert x != null && (x.kind == CiKind.Long);
+        return x;
+    }
+
+    public static Value assertJsr(Value x) {
+        assert x != null && (x.kind == CiKind.Jsr);
+        return x;
+    }
+
+    public static Value assertInt(Value x) {
+        assert x != null && (x.kind == CiKind.Int);
+        return x;
+    }
+
+    public static Value assertFloat(Value x) {
+        assert x != null && (x.kind == CiKind.Float);
+        return x;
+    }
+
+    public static Value assertObject(Value x) {
+        assert x != null && (x.kind == CiKind.Object);
+        return x;
+    }
+
+    public static Value assertWord(Value x) {
+        assert x != null && (x.kind == CiKind.Word);
+        return x;
+    }
+
+    public static Value assertDouble(Value x) {
+        assert x != null && (x.kind == CiKind.Double);
+        return x;
+    }
+
+    public static void assertHigh(Value x) {
+        assert x == null;
+    }
+
+    public static boolean typeMismatch(Value x, Value y) {
+        return y == null || !Util.archKindsEqual(x, y);
+    }
+
+    public static boolean isDoubleWord(Value x) {
+        return x != null && x.kind.isDoubleWord();
+    }
+
+}