1 /*
2  * Copyright (c) 2021, Red Hat, Inc. 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  * @test
26  * @bug 8269752
27  * @summary C2: assert(false) failed: Bad graph detected in build_loop_late
28  *
29  * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=TestMainBodyExecutedOnce TestMainBodyExecutedOnce
30  *
31  */
32 
33 
34 public class TestMainBodyExecutedOnce {
35     static int N;
36     static long vMeth_check_sum;
37 
main(String[] strArr)38     public static void main(String[] strArr) {
39         TestMainBodyExecutedOnce _instance = new TestMainBodyExecutedOnce();
40         for (int i = 0; i < 10; i++) {
41             _instance.test();
42         }
43     }
44 
test()45     void test() {
46         vMeth(3);
47     }
48 
vMeth(int i2)49     void vMeth(int i2) {
50         double d = 1.74287;
51         int i3 = -36665, i4, iArr[] = new int[N];
52         short s;
53         long lArr[] = new long[N];
54         while (++i3 < 132) {
55             if (i2 != 0) {
56                 vMeth_check_sum += i3;
57                 return;
58             }
59             i4 = 1;
60             while (++i4 < 12) {
61                 i2 += i4;
62             }
63         }
64         vMeth_check_sum += i3;
65     }
66 }
67