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_LongShift01 extends JTTTest {
033
034    public static long test(long arg) {
035        if (arg == 0) {
036            return shift0(arg + 10);
037        }
038        if (arg == 1) {
039            return shift1(arg + 10);
040        }
041        if (arg == 2) {
042            return shift2(arg + 10);
043        }
044        if (arg == 3) {
045            return shift3(arg + 10);
046        }
047        if (arg == 4) {
048            return shift4(arg + 10);
049        }
050        if (arg == 5) {
051            return shift5(arg + 10);
052        }
053        return 0;
054    }
055
056    public static long shift0(long x) {
057        return x >> 0;
058    }
059
060    public static long shift1(long x) {
061        return x >>> 0;
062    }
063
064    public static long shift2(long x) {
065        return x << 0;
066    }
067
068    public static long shift3(long x) {
069        return x >> 64;
070    }
071
072    public static long shift4(long x) {
073        return x >>> 64;
074    }
075
076    public static long shift5(long x) {
077        return x << 64;
078    }
079
080    @Test
081    public void run0() throws Throwable {
082        runTest("test", 0L);
083    }
084
085    @Test
086    public void run1() throws Throwable {
087        runTest("test", 1L);
088    }
089
090    @Test
091    public void run2() throws Throwable {
092        runTest("test", 2L);
093    }
094
095    @Test
096    public void run3() throws Throwable {
097        runTest("test", 3L);
098    }
099
100    @Test
101    public void run4() throws Throwable {
102        runTest("test", 4L);
103    }
104
105    @Test
106    public void run5() throws Throwable {
107        runTest("test", 5L);
108    }
109
110}