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 optimization of integer operations.
031 */
032public class Reduce_LongShift02 extends JTTTest {
033
034    public static long test(long arg) {
035        if (arg == 0) {
036            return shift0(arg + 80);
037        }
038        if (arg == 1) {
039            return shift1(arg + 0x800000000000000aL);
040        }
041        if (arg == 2) {
042            return shift2(arg + 192);
043        }
044        if (arg == 3) {
045            return shift3(arg + 208);
046        }
047        if (arg == 4) {
048            return shift4(arg);
049        }
050        return 0;
051    }
052
053    public static long shift0(long x) {
054        return x >>> 3 << 3;
055    }
056
057    public static long shift1(long x) {
058        return x << 3 >>> 3;
059    }
060
061    public static long shift2(long x) {
062        return x >> 3 >> 1;
063    }
064
065    public static long shift3(long x) {
066        return x >>> 3 >>> 1;
067    }
068
069    public static long shift4(long x) {
070        return x << 3 << 1;
071    }
072
073    @Test
074    public void run0() throws Throwable {
075        runTest("test", 0L);
076    }
077
078    @Test
079    public void run1() throws Throwable {
080        runTest("test", 1L);
081    }
082
083    @Test
084    public void run2() throws Throwable {
085        runTest("test", 2L);
086    }
087
088    @Test
089    public void run3() throws Throwable {
090        runTest("test", 3L);
091    }
092
093    @Test
094    public void run4() throws Throwable {
095        runTest("test", 4L);
096    }
097
098}