Fold_Int02.java revision 12657:6ef01bd40ce2
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 constant folding of integer comparisons.
31 */
32public class Fold_Int02 extends JTTTest {
33
34    public static boolean test(int arg) {
35        if (arg == 0) {
36            return equ();
37        }
38        if (arg == 1) {
39            return neq();
40        }
41        if (arg == 2) {
42            return geq();
43        }
44        if (arg == 3) {
45            return ge();
46        }
47        if (arg == 4) {
48            return ltq();
49        }
50        if (arg == 5) {
51            return lt();
52        }
53        return false;
54    }
55
56    static boolean equ() {
57        int x = 34;
58        return x == 34;
59    }
60
61    static boolean neq() {
62        int x = 34;
63        return x != 33;
64    }
65
66    static boolean geq() {
67        int x = 34;
68        return x >= 33;
69    }
70
71    static boolean ge() {
72        int x = 34;
73        return x > 35;
74    }
75
76    static boolean ltq() {
77        int x = 34;
78        return x <= 32;
79    }
80
81    static boolean lt() {
82        int x = 34;
83        return x < 31;
84    }
85
86    @Test
87    public void run0() throws Throwable {
88        runTest("test", 0);
89    }
90
91    @Test
92    public void run1() throws Throwable {
93        runTest("test", 1);
94    }
95
96    @Test
97    public void run2() throws Throwable {
98        runTest("test", 2);
99    }
100
101    @Test
102    public void run3() throws Throwable {
103        runTest("test", 3);
104    }
105
106    @Test
107    public void run4() throws Throwable {
108        runTest("test", 4);
109    }
110
111    @Test
112    public void run5() throws Throwable {
113        runTest("test", 5);
114    }
115
116}
117