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 package org.graalvm.compiler.core.test;
  25 
  26 import org.junit.Test;
  27 
  28 /*
  29  * Test compilation of ZeroExtend and SignExtend nodes
  30  */
  31 
  32 public class ZeroSignExtendTest extends GraalCompilerTest {
  33 
  34     int testSnippet1(char[] chars) {
  35         int x = 1;
  36         x += chars[0];
  37         x -= chars[1];
  38         x *= chars[2];
  39         x /= chars[3];
  40         x &= chars[4];
  41         x |= chars[5];
  42         x ^= chars[6];
  43         x <<= chars[7];
  44         x >>= (chars[8] - chars[0]);
  45         x >>>= (chars[9] - chars[0]);
  46         x += chars[1];
  47         return x;
  48     }
  49 
  50     long testSnippet2(char[] chars) {
  51         long y = 2;
  52         y += chars[0];
  53         y -= chars[1];
  54         y *= chars[2];
  55         y /= chars[3];
  56         y &= chars[4];
  57         y |= chars[5];
  58         y ^= chars[6];
  59         y <<= chars[7];
  60         y >>= (chars[8] - chars[0]);
  61         y >>>= (chars[9] - chars[0]);
  62         y += chars[1];
  63         return y;
  64     }
  65 
  66     int testSnippet3(short[] shorts) {
  67         int x = 1;
  68         x += shorts[0];
  69         x -= shorts[1];
  70         x *= shorts[2];
  71         x /= shorts[3];
  72         x &= shorts[4];
  73         x |= shorts[5];
  74         x ^= shorts[6];
  75         x <<= shorts[7];
  76         x >>= (shorts[8] - shorts[0]);
  77         x >>>= (shorts[9] - shorts[0]);
  78         x += shorts[1];
  79         return x;
  80     }
  81 
  82     long testSnippet4(short[] shorts) {
  83         long y = 2;
  84         y += shorts[0];
  85         y -= shorts[1];
  86         y *= shorts[2];
  87         y /= shorts[3];
  88         y &= shorts[4];
  89         y |= shorts[5];
  90         y ^= shorts[6];
  91         y <<= shorts[7];
  92         y >>= (shorts[8] - shorts[0]);
  93         y >>>= (shorts[9] - shorts[0]);
  94         y += shorts[1];
  95         return y;
  96     }
  97 
  98     int testSnippet5(byte[] bytes) {
  99         int x = 1;
 100         x += bytes[0];
 101         x -= bytes[1];
 102         x *= bytes[2];
 103         x /= bytes[3];
 104         x &= bytes[4];
 105         x |= bytes[5];
 106         x ^= bytes[6];
 107         x <<= bytes[7];
 108         x >>= (bytes[8] - bytes[0]);
 109         x >>>= (bytes[9] - bytes[0]);
 110         x += bytes[1];
 111         return x;
 112     }
 113 
 114     long testSnippet6(byte[] bytes) {
 115         long y = 2;
 116         y += bytes[0];
 117         y -= bytes[1];
 118         y *= bytes[2];
 119         y /= bytes[3];
 120         y &= bytes[4];
 121         y |= bytes[5];
 122         y ^= bytes[6];
 123         y <<= bytes[7];
 124         y >>= (bytes[8] - bytes[0]);
 125         y >>>= (bytes[9] - bytes[0]);
 126         y += bytes[1];
 127         return y;
 128     }
 129 
 130     @Test
 131 
 132     public void test() {
 133         char[] input1 = new char[]{'0', '1', '2', '3', '4', '5', '7', '8', '9', 'A'};
 134         char[] input2 = new char[]{'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K'};
 135 
 136         short[] input3 = new short[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
 137         short[] input4 = new short[]{11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
 138 
 139         byte[] input5 = new byte[]{21, 22, 23, 24, 25, 26, 27, 28, 29, 30};
 140         byte[] input6 = new byte[]{11, 12, 13, 14, 15, 16, 17, 18, 19, 40};
 141 
 142         test("testSnippet1", input1);
 143         test("testSnippet2", input2);
 144         test("testSnippet3", input3);
 145         test("testSnippet4", input4);
 146         test("testSnippet5", input5);
 147         test("testSnippet6", input6);
 148     }
 149 }