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 optimization integer conversions.
  31  */
  32 public class VN_Convert01 extends JTTTest {
  33 
  34     public static int test(int arg) {
  35         if (arg == 0) {
  36             return i2b(arg + 10);
  37         }
  38         if (arg == 1) {
  39             return i2s(arg + 10);
  40         }
  41         if (arg == 2) {
  42             return i2c(arg + 10);
  43         }
  44         return 0;
  45     }
  46 
  47     public static int i2b(int arg) {
  48         int x = (byte) arg;
  49         int y = (byte) arg;
  50         return x + y;
  51     }
  52 
  53     public static int i2s(int arg) {
  54         int x = (short) arg;
  55         int y = (short) arg;
  56         return x + y;
  57     }
  58 
  59     public static int i2c(int arg) {
  60         int x = (char) arg;
  61         int y = (char) arg;
  62         return x + y;
  63     }
  64 
  65     @Test
  66     public void run0() throws Throwable {
  67         runTest("test", 0);
  68     }
  69 
  70     @Test
  71     public void run1() throws Throwable {
  72         runTest("test", 1);
  73     }
  74 
  75     @Test
  76     public void run2() throws Throwable {
  77         runTest("test", 2);
  78     }
  79 
  80 }