1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2017, Red Hat Inc. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  */
  24 
  25 
  26 package org.graalvm.compiler.core.test;
  27 
  28 import org.junit.Test;
  29 
  30 /*
  31  * Test compilation of ZeroExtend and SignExtend nodes
  32  */
  33 
  34 public class ZeroSignExtendTest extends GraalCompilerTest {
  35 
  36     int testSnippet1(char[] chars) {
  37         int x = 1;
  38         x += chars[0];
  39         x -= chars[1];
  40         x *= chars[2];
  41         x /= chars[3];
  42         x &= chars[4];
  43         x |= chars[5];
  44         x ^= chars[6];
  45         x <<= chars[7];
  46         x >>= (chars[8] - chars[0]);
  47         x >>>= (chars[9] - chars[0]);
  48         x += chars[1];
  49         return x;
  50     }
  51 
  52     long testSnippet2(char[] chars) {
  53         long y = 2;
  54         y += chars[0];
  55         y -= chars[1];
  56         y *= chars[2];
  57         y /= chars[3];
  58         y &= chars[4];
  59         y |= chars[5];
  60         y ^= chars[6];
  61         y <<= chars[7];
  62         y >>= (chars[8] - chars[0]);
  63         y >>>= (chars[9] - chars[0]);
  64         y += chars[1];
  65         return y;
  66     }
  67 
  68     int testSnippet3(short[] shorts) {
  69         int x = 1;
  70         x += shorts[0];
  71         x -= shorts[1];
  72         x *= shorts[2];
  73         x /= shorts[3];
  74         x &= shorts[4];
  75         x |= shorts[5];
  76         x ^= shorts[6];
  77         x <<= shorts[7];
  78         x >>= (shorts[8] - shorts[0]);
  79         x >>>= (shorts[9] - shorts[0]);
  80         x += shorts[1];
  81         return x;
  82     }
  83 
  84     long testSnippet4(short[] shorts) {
  85         long y = 2;
  86         y += shorts[0];
  87         y -= shorts[1];
  88         y *= shorts[2];
  89         y /= shorts[3];
  90         y &= shorts[4];
  91         y |= shorts[5];
  92         y ^= shorts[6];
  93         y <<= shorts[7];
  94         y >>= (shorts[8] - shorts[0]);
  95         y >>>= (shorts[9] - shorts[0]);
  96         y += shorts[1];
  97         return y;
  98     }
  99 
 100     int testSnippet5(byte[] bytes) {
 101         int x = 1;
 102         x += bytes[0];
 103         x -= bytes[1];
 104         x *= bytes[2];
 105         x /= bytes[3];
 106         x &= bytes[4];
 107         x |= bytes[5];
 108         x ^= bytes[6];
 109         x <<= bytes[7];
 110         x >>= (bytes[8] - bytes[0]);
 111         x >>>= (bytes[9] - bytes[0]);
 112         x += bytes[1];
 113         return x;
 114     }
 115 
 116     long testSnippet6(byte[] bytes) {
 117         long y = 2;
 118         y += bytes[0];
 119         y -= bytes[1];
 120         y *= bytes[2];
 121         y /= bytes[3];
 122         y &= bytes[4];
 123         y |= bytes[5];
 124         y ^= bytes[6];
 125         y <<= bytes[7];
 126         y >>= (bytes[8] - bytes[0]);
 127         y >>>= (bytes[9] - bytes[0]);
 128         y += bytes[1];
 129         return y;
 130     }
 131 
 132     @Test
 133 
 134     public void test() {
 135         char[] input1 = new char[]{'0', '1', '2', '3', '4', '5', '7', '8', '9', 'A'};
 136         char[] input2 = new char[]{'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K'};
 137 
 138         short[] input3 = new short[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
 139         short[] input4 = new short[]{11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
 140 
 141         byte[] input5 = new byte[]{21, 22, 23, 24, 25, 26, 27, 28, 29, 30};
 142         byte[] input6 = new byte[]{11, 12, 13, 14, 15, 16, 17, 18, 19, 40};
 143 
 144         test("testSnippet1", input1);
 145         test("testSnippet2", input2);
 146         test("testSnippet3", input3);
 147         test("testSnippet4", input4);
 148         test("testSnippet5", input5);
 149         test("testSnippet6", input6);
 150     }
 151 }