VN_Convert01.java revision 12651:6ef01bd40ce2 
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 */
23package org.graalvm.compiler.jtt.optimize;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 * Tests optimization integer conversions.
31 */
32public 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}
81