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 value numbering of integer operations.
031 */
032public class VN_Int01 extends JTTTest {
033
034    public static int test(int arg) {
035        if (arg == 0) {
036            return add(arg);
037        }
038        if (arg == 1) {
039            return sub(arg);
040        }
041        if (arg == 2) {
042            return mul(arg);
043        }
044        if (arg == 3) {
045            return div(arg);
046        }
047        if (arg == 4) {
048            return mod(arg);
049        }
050        if (arg == 5) {
051            return and(arg);
052        }
053        if (arg == 6) {
054            return or(arg);
055        }
056        if (arg == 7) {
057            return xor(arg);
058        }
059        return 0;
060    }
061
062    public static int add(int x) {
063        int c = 3;
064        int t = x + c;
065        int u = x + c;
066        return t + u;
067    }
068
069    public static int sub(int x) {
070        int c = 3;
071        int t = x - c;
072        int u = x - c;
073        return t - u;
074    }
075
076    public static int mul(int x) {
077        int i = 3;
078        int t = x * i;
079        int u = x * i;
080        return t * u;
081    }
082
083    public static int div(int x) {
084        int i = 9;
085        int t = i / x;
086        int u = i / x;
087        return t / u;
088    }
089
090    public static int mod(int x) {
091        int i = 7;
092        int t = i % x;
093        int u = i % x;
094        return t % u;
095    }
096
097    public static int and(int x) {
098        int i = 7;
099        int t = i & x;
100        int u = i & x;
101        return t & u;
102    }
103
104    public static int or(int x) {
105        int i = 7;
106        int t = i | x;
107        int u = i | x;
108        return t | u;
109    }
110
111    public static int xor(int x) {
112        int i = 7;
113        int t = i ^ x;
114        int u = i ^ x;
115        return t ^ u;
116    }
117
118    @Test
119    public void run0() throws Throwable {
120        runTest("test", 0);
121    }
122
123    @Test
124    public void run1() throws Throwable {
125        runTest("test", 1);
126    }
127
128    @Test
129    public void run2() throws Throwable {
130        runTest("test", 2);
131    }
132
133    @Test
134    public void run3() throws Throwable {
135        runTest("test", 3);
136    }
137
138    @Test
139    public void run4() throws Throwable {
140        runTest("test", 4);
141    }
142
143    @Test
144    public void run5() throws Throwable {
145        runTest("test", 5);
146    }
147
148    @Test
149    public void run6() throws Throwable {
150        runTest("test", 6);
151    }
152
153    @Test
154    public void run7() throws Throwable {
155        runTest("test", 7);
156    }
157
158}