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 constant folding of integer operations.
  31  */
  32 public class Fold_Long01 extends JTTTest {
  33 
  34     public static long test(long arg) {
  35         if (arg == 0) {
  36             return add();
  37         }
  38         if (arg == 1) {
  39             return sub();
  40         }
  41         if (arg == 2) {
  42             return mul();
  43         }
  44         if (arg == 3) {
  45             return div();
  46         }
  47         if (arg == 4) {
  48             return mod();
  49         }
  50         if (arg == 5) {
  51             return and();
  52         }
  53         if (arg == 6) {
  54             return or();
  55         }
  56         if (arg == 7) {
  57             return xor();
  58         }
  59         return 0;
  60     }
  61 
  62     public static long add() {
  63         long x = 3;
  64         return x + 7;
  65     }
  66 
  67     public static long sub() {
  68         long x = 15;
  69         return x - 4;
  70     }
  71 
  72     public static long mul() {
  73         long x = 6;
  74         return x * 2;
  75     }
  76 
  77     public static long div() {
  78         long x = 26;
  79         return x / 2;
  80     }
  81 
  82     public static long mod() {
  83         long x = 29;
  84         return x % 15;
  85     }
  86 
  87     public static long and() {
  88         long x = 31;
  89         return x & 15;
  90     }
  91 
  92     public static long or() {
  93         long x = 16;
  94         return x | 16;
  95     }
  96 
  97     public static long xor() {
  98         long x = 0;
  99         return x ^ 17;
 100     }
 101 
 102     @Test
 103     public void run0() throws Throwable {
 104         runTest("test", 0L);
 105     }
 106 
 107     @Test
 108     public void run1() throws Throwable {
 109         runTest("test", 1L);
 110     }
 111 
 112     @Test
 113     public void run2() throws Throwable {
 114         runTest("test", 2L);
 115     }
 116 
 117     @Test
 118     public void run3() throws Throwable {
 119         runTest("test", 3L);
 120     }
 121 
 122     @Test
 123     public void run4() throws Throwable {
 124         runTest("test", 4L);
 125     }
 126 
 127     @Test
 128     public void run5() throws Throwable {
 129         runTest("test", 5L);
 130     }
 131 
 132     @Test
 133     public void run6() throws Throwable {
 134         runTest("test", 6L);
 135     }
 136 
 137     @Test
 138     public void run7() throws Throwable {
 139         runTest("test", 7L);
 140     }
 141 
 142 }