1 /*
   2  * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.jtt.optimize;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 /*
  30  * Tests value numbering of integer operations.
  31  */
  32 public class VN_Int03 extends JTTTest {
  33 
  34     private static boolean cond = true;
  35 
  36     public static int test(int arg) {
  37         if (arg == 0) {
  38             return add(arg);
  39         }
  40         if (arg == 1) {
  41             return sub(arg);
  42         }
  43         if (arg == 2) {
  44             return mul(arg);
  45         }
  46         if (arg == 3) {
  47             return div(arg);
  48         }
  49         if (arg == 4) {
  50             return mod(arg);
  51         }
  52         if (arg == 5) {
  53             return and(arg);
  54         }
  55         if (arg == 6) {
  56             return or(arg);
  57         }
  58         if (arg == 7) {
  59             return xor(arg);
  60         }
  61         return 0;
  62     }
  63 
  64     public static int add(int x) {
  65         int c = 3;
  66         int t = x + c;
  67         if (cond) {
  68             int u = x + c;
  69             return t + u;
  70         }
  71         return 0;
  72     }
  73 
  74     public static int sub(int x) {
  75         int c = 3;
  76         int t = x - c;
  77         if (cond) {
  78             int u = x - c;
  79             return t - u;
  80         }
  81         return 3;
  82     }
  83 
  84     public static int mul(int x) {
  85         int i = 3;
  86         int t = x * i;
  87         if (cond) {
  88             int u = x * i;
  89             return t * u;
  90         }
  91         return 3;
  92     }
  93 
  94     public static int div(int x) {
  95         int i = 9;
  96         int t = i / x;
  97         if (cond) {
  98             int u = i / x;
  99             return t / u;
 100         }
 101         return 9;
 102     }
 103 
 104     public static int mod(int x) {
 105         int i = 7;
 106         int t = i % x;
 107         if (cond) {
 108             int u = i % x;
 109             return t % u;
 110         }
 111         return 7;
 112     }
 113 
 114     public static int and(int x) {
 115         int i = 7;
 116         int t = i & x;
 117         if (cond) {
 118             int u = i & x;
 119             return t & u;
 120         }
 121         return 7;
 122     }
 123 
 124     public static int or(int x) {
 125         int i = 7;
 126         int t = i | x;
 127         if (cond) {
 128             int u = i | x;
 129             return t | u;
 130         }
 131         return 7;
 132     }
 133 
 134     public static int xor(int x) {
 135         int i = 7;
 136         int t = i ^ x;
 137         if (cond) {
 138             int u = i ^ x;
 139             return t ^ u;
 140         }
 141         return 7;
 142     }
 143 
 144     @Test
 145     public void run0() throws Throwable {
 146         runTest("test", 0);
 147     }
 148 
 149     @Test
 150     public void run1() throws Throwable {
 151         runTest("test", 1);
 152     }
 153 
 154     @Test
 155     public void run2() throws Throwable {
 156         runTest("test", 2);
 157     }
 158 
 159     @Test
 160     public void run3() throws Throwable {
 161         runTest("test", 3);
 162     }
 163 
 164     @Test
 165     public void run4() throws Throwable {
 166         runTest("test", 4);
 167     }
 168 
 169     @Test
 170     public void run5() throws Throwable {
 171         runTest("test", 5);
 172     }
 173 
 174     @Test
 175     public void run6() throws Throwable {
 176         runTest("test", 6);
 177     }
 178 
 179     @Test
 180     public void run7() throws Throwable {
 181         runTest("test", 7);
 182     }
 183 
 184 }