--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/LookupSwitch.java	Wed Apr 27 11:50:44 2011 +0200
@@ -0,0 +1,88 @@
+/*
+ * 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.ir;
+
+import static com.sun.c1x.debug.InstructionPrinter.InstructionLineColumn.*;
+
+import java.util.*;
+
+import com.sun.c1x.debug.*;
+import com.sun.c1x.value.*;
+
+/**
+ * The {@code LookupSwitch} instruction represents a lookup switch bytecode, which has a sorted
+ * array of key values.
+ *
+ * @author Ben L. Titzer
+ */
+public final class LookupSwitch extends Switch {
+
+    final int[] keys;
+
+    /**
+     * Constructs a new LookupSwitch instruction.
+     * @param value the instruction producing the value being switched on
+     * @param successors the list of successors
+     * @param keys the list of keys, sorted
+     * @param stateBefore the state before the switch
+     * @param isSafepoint {@code true} if this instruction is a safepoint
+     */
+    public LookupSwitch(Value value, List<BlockBegin> successors, int[] keys, FrameState stateBefore, boolean isSafepoint) {
+        super(value, successors, stateBefore, isSafepoint);
+        this.keys = keys;
+    }
+
+    /**
+     * Gets the key at the specified index.
+     * @param i the index
+     * @return the key at that index
+     */
+    public int keyAt(int i) {
+        return keys[i];
+    }
+
+    public int keysLength() {
+        return keys.length;
+    }
+
+    @Override
+    public void accept(ValueVisitor v) {
+        v.visitLookupSwitch(this);
+    }
+
+    @Override
+    public void print(LogStream out) {
+        out.print("lookupswitch ");
+        if (isSafepoint()) {
+            out.print("(safepoint) ");
+        }
+        out.println(value());
+        int l = numberOfCases();
+        for (int i = 0; i < l; i++) {
+            INSTRUCTION.advance(out);
+            out.printf("case %5d: B%d%n", keyAt(i), successors().get(i).blockID);
+        }
+        INSTRUCTION.advance(out);
+        out.print("default   : B").print(defaultSuccessor().blockID);
+    }
+}