Mercurial > hg > graal-compiler
comparison test/compiler/5091921/Test6186134.java @ 3345:bad7ecd0b6ed
5091921: Sign flip issues in loop optimizer
Summary: Fix integer overflow problem in the code generated by loop optimizer.
Reviewed-by: never
author | kvn |
---|---|
date | Wed, 04 May 2011 13:12:42 -0700 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
3344:0139aac70fb5 | 3345:bad7ecd0b6ed |
---|---|
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 6186134 | |
28 * @summary Server virtual machine produces/exeutes incorrect code. | |
29 * | |
30 * @run main Test6186134 100000 | |
31 */ | |
32 import java.util.ArrayList; | |
33 | |
34 public class Test6186134 { | |
35 | |
36 int num = 0; | |
37 | |
38 public Test6186134(int n) { | |
39 num = n; | |
40 } | |
41 | |
42 public boolean more() { | |
43 return num-- > 0; | |
44 } | |
45 | |
46 public ArrayList test1() { | |
47 ArrayList res = new ArrayList(); | |
48 int maxResults = Integer.MAX_VALUE; | |
49 int n = 0; | |
50 boolean more = more(); | |
51 while ((n++ < maxResults) && more) { | |
52 res.add(new Object()); | |
53 more = more(); | |
54 } | |
55 return res; | |
56 } | |
57 | |
58 public static void main(String[] pars) { | |
59 int n = Integer.parseInt(pars[0]); | |
60 for (int i=0; i<n; i++) { | |
61 Test6186134 t = new Test6186134(10); | |
62 int size = t.test1().size(); | |
63 if (size != 10) { | |
64 System.out.println("wrong size: " + size +", should be 10"); | |
65 System.exit(97); | |
66 } | |
67 } | |
68 System.out.println("Passed"); | |
69 } | |
70 } | |
71 |