Mercurial > hg > graal-compiler
comparison test/compiler/7024475/Test7024475.java @ 2403:1927db75dd85
7024475: loop doesn't terminate when compiled
Reviewed-by: kvn
author | never |
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date | Sun, 27 Mar 2011 00:00:14 -0700 |
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2402:244bf8afbbd3 | 2403:1927db75dd85 |
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1 /* | |
2 * Copyright (c) 2011, 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 /** | |
26 * @test | |
27 * @bug 7024475 | |
28 * @summary loop doesn't terminate when compiled | |
29 * | |
30 * @run main Test7024475 | |
31 */ | |
32 | |
33 public class Test7024475 { | |
34 | |
35 static int i; | |
36 static int x1; | |
37 static int[] bucket_B; | |
38 | |
39 static void test(Test7024475 test, int i, int c0, int j, int c1) { | |
40 for (;;) { | |
41 if (c1 > c0) { | |
42 if (c0 > 253) { | |
43 throw new InternalError("c0 = " + c0); | |
44 } | |
45 int index = c0 * 256 + c1; | |
46 if (index == -1) return; | |
47 i = bucket_B[index]; | |
48 if (1 < j - i && test != null) | |
49 x1 = 0; | |
50 j = i; | |
51 c1--; | |
52 } else { | |
53 c0--; | |
54 if (j <= 0) | |
55 break; | |
56 c1 = 255; | |
57 } | |
58 } | |
59 } | |
60 | |
61 public static void main(String args[]) { | |
62 Test7024475 t = new Test7024475(); | |
63 bucket_B = new int[256*256]; | |
64 for (int i = 1; i < 256*256; i++) { | |
65 bucket_B[i] = 1; | |
66 } | |
67 for (int n = 0; n < 100000; n++) { | |
68 test(t, 2, 85, 1, 134); | |
69 } | |
70 } | |
71 } |