--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.graal.compiler/src/com/sun/c1x/lir/LIRTableSwitch.java	Wed Jun 08 08:42:25 2011 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2009, 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.lir;
+
+import com.sun.cri.ci.*;
+
+/**
+ * @author Doug Simon
+ */
+public class LIRTableSwitch extends LIRInstruction {
+
+    public LIRBlock defaultTarget;
+
+    public final LIRBlock[] targets;
+
+    public final int lowKey;
+
+    public LIRTableSwitch(CiValue value, int lowKey, LIRBlock defaultTarget, LIRBlock[] targets) {
+        super(LIROpcode.TableSwitch, CiValue.IllegalValue, null, false, 1, 0, value);
+        this.lowKey = lowKey;
+        this.targets = targets;
+        this.defaultTarget = defaultTarget;
+    }
+
+    @Override
+    public void emitCode(LIRAssembler masm) {
+        masm.emitTableSwitch(this);
+    }
+
+    /**
+     * @return the input value to this switch
+     */
+    public CiValue value() {
+        return operand(0);
+    }
+
+    @Override
+    public String operationString(OperandFormatter operandFmt) {
+        StringBuilder buf = new StringBuilder(super.operationString(operandFmt));
+        buf.append("\ndefault: [B").append(defaultTarget.blockID()).append(']');
+        int key = lowKey;
+        for (LIRBlock b : targets) {
+            buf.append("\ncase ").append(key).append(": [B").append(b.blockID()).append(']');
+            key++;
+        }
+        return buf.toString();
+    }
+
+
+    private LIRBlock substitute(LIRBlock block, LIRBlock oldBlock, LIRBlock newBlock) {
+        if (block == oldBlock) {
+            LIRInstruction instr = newBlock.lir().instructionsList().get(0);
+            assert instr instanceof LIRLabel : "first instruction of block must be label";
+            return newBlock;
+        }
+        return oldBlock;
+    }
+
+    public void substitute(LIRBlock oldBlock, LIRBlock newBlock) {
+        if (substitute(defaultTarget, oldBlock, newBlock) == newBlock) {
+            defaultTarget = newBlock;
+        }
+        for (int i = 0; i < targets.length; i++) {
+            if (substitute(targets[i], oldBlock, newBlock) == newBlock) {
+                targets[i] = newBlock;
+            }
+        }
+    }
+}