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_Convert02 extends JTTTest {
  33 
  34     private static boolean cond = true;
  35 
  36     public static int test(int arg) {
  37         if (arg == 0) {
  38             return i2b(arg + 10);
  39         }
  40         if (arg == 1) {
  41             return i2s(arg + 10);
  42         }
  43         if (arg == 2) {
  44             return i2c(arg + 10);
  45         }
  46         return 0;
  47     }
  48 
  49     public static int i2b(int arg) {
  50         int x = (byte) arg;
  51         if (cond) {
  52             int y = (byte) arg;
  53             return x + y;
  54         }
  55         return 0;
  56     }
  57 
  58     public static int i2s(int arg) {
  59         int x = (short) arg;
  60         if (cond) {
  61             int y = (short) arg;
  62             return x + y;
  63         }
  64         return 0;
  65     }
  66 
  67     public static int i2c(int arg) {
  68         int x = (char) arg;
  69         if (cond) {
  70             int y = (char) arg;
  71             return x + y;
  72         }
  73         return 0;
  74     }
  75 
  76     @Test
  77     public void run0() throws Throwable {
  78         runTest("test", 0);
  79     }
  80 
  81     @Test
  82     public void run1() throws Throwable {
  83         runTest("test", 1);
  84     }
  85 
  86     @Test
  87     public void run2() throws Throwable {
  88         runTest("test", 2);
  89     }
  90 
  91 }