001/*
002 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.optimize;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/*
030 * Tests constant folding of integer operations.
031 */
032public class Fold_Convert01 extends JTTTest {
033
034    public static int test(int arg) {
035        if (arg == 0) {
036            return i2b();
037        }
038        if (arg == 1) {
039            return i2s();
040        }
041        if (arg == 2) {
042            return i2c();
043        }
044        return 0;
045    }
046
047    public static int i2b() {
048        int x = 0x00000080;
049        return (byte) x;
050    }
051
052    public static int i2s() {
053        int x = 0x00008000;
054        return (short) x;
055    }
056
057    public static int i2c() {
058        int x = 0xffffffff;
059        return (char) x;
060    }
061
062    @Test
063    public void run0() throws Throwable {
064        runTest("test", 0);
065    }
066
067    @Test
068    public void run1() throws Throwable {
069        runTest("test", 1);
070    }
071
072    @Test
073    public void run2() throws Throwable {
074        runTest("test", 2);
075    }
076
077}