1 /*
2  * Copyright (c) 2015, 2015, 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 
24 
25 package org.graalvm.compiler.core.test;
26 
27 import org.junit.Test;
28 
29 /**
30  * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase}
31  * including those that triggered bugs in this phase.
32  */
33 public class ConditionalEliminationTest4 extends ConditionalEliminationTestBase {
34 
35     @SuppressWarnings("all")
reference1Snippet(int a, int b)36     public static int reference1Snippet(int a, int b) {
37         if (a > b) {
38             return 1;
39         }
40         return 2;
41     }
42 
43     @SuppressWarnings("all")
test1Snippet(int a, int b)44     public static int test1Snippet(int a, int b) {
45         if (a > b) {
46             if (a > b) {
47                 return 1;
48             }
49         }
50         return 2;
51     }
52 
53     @Test
test1()54     public void test1() {
55         testConditionalElimination("test1Snippet", "reference1Snippet");
56     }
57 
58     @SuppressWarnings("all")
reference2Snippet(int a, int b)59     public static int reference2Snippet(int a, int b) {
60         if (a < b) {
61             return 1;
62         }
63         return 2;
64     }
65 
66     @SuppressWarnings("all")
test2Snippet(int a, int b)67     public static int test2Snippet(int a, int b) {
68         if (a < b) {
69             if (a < b) {
70                 return 1;
71             }
72         }
73         return 2;
74     }
75 
76     @Test
test2()77     public void test2() {
78         testConditionalElimination("test2Snippet", "reference2Snippet");
79     }
80 }
81