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 */
23package org.graalvm.compiler.core.test;
24
25import org.junit.Ignore;
26import org.junit.Test;
27
28/**
29 * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase}
30 * including those that triggered bugs in this phase.
31 */
32@Ignore
33public class ConditionalEliminationTest7 extends ConditionalEliminationTestBase {
34
35    @SuppressWarnings("all")
36    public static int test1Snippet(int a, Object b) {
37        int sum = 0;
38        for (int j = 0;; ++j) {
39            ++sum;
40            if (b instanceof String) {
41                if (sum == 100) {
42                    break;
43                }
44            }
45        }
46        String s = (String) b;
47        return s.length() + sum;
48    }
49
50    @Test
51    public void test1() {
52        // One loop exit is skipped.
53        testProxies("test1Snippet", 1);
54    }
55
56    @SuppressWarnings("all")
57    public static int test2Snippet(int a, Object b) {
58        int sum = 0;
59        for (int j = 0;; ++j) {
60            ++sum;
61            if (b instanceof String) {
62                break;
63            }
64        }
65        String s = (String) b;
66        return s.length() + sum;
67    }
68
69    @Test
70    public void test2() {
71        // The loop exit is the anchor => no proxy necessary.
72        testProxies("test2Snippet", 0);
73    }
74
75    @SuppressWarnings("all")
76    public static int test3Snippet(int a, Object b) {
77        int sum = a;
78        outer: while (true) {
79            sum++;
80            while (sum++ != 20) {
81                while (sum++ != 30) {
82                    while (sum++ != 40) {
83                        while (sum++ != 50) {
84                            if (b instanceof String) {
85                                break outer;
86                            }
87                        }
88                    }
89                }
90            }
91        }
92        String s = (String) b;
93        return s.length() + sum;
94    }
95
96    @Test
97    public void test3() {
98        // The break skips over 4 other loops.
99        testProxies("test3Snippet", 4);
100    }
101}
102