test/compiler/6891750/Test6891750.java

changeset 1472
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child 1907
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1451:d40f03b57795 1472:0a46d0c5dccb
1 /*
2 * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 /**
26 * @test
27 * @bug 6891750
28 * @summary deopt blob kills values in O5
29 *
30 * @run main Test6891750
31 */
32
33 abstract class Base6891750 extends Thread {
34 abstract public long m();
35 }
36 class Other6891750 extends Base6891750 {
37 public long m() {
38 return 0;
39 }
40 }
41
42 public class Test6891750 extends Base6891750 {
43 Base6891750 d;
44 volatile long value = 9;
45
46 static int limit = 400000;
47
48 Test6891750() {
49 d = this;
50
51 }
52 public long m() {
53 return value;
54 }
55
56 public long test(boolean doit) {
57 if (doit) {
58 long total0 = 0;
59 long total1 = 0;
60 long total2 = 0;
61 long total3 = 0;
62 long total4 = 0;
63 long total5 = 0;
64 long total6 = 0;
65 long total7 = 0;
66 long total8 = 0;
67 long total9 = 0;
68 for (int i = 0; i < limit; i++) {
69 total0 += d.m();
70 total1 += d.m();
71 total2 += d.m();
72 total3 += d.m();
73 total4 += d.m();
74 total5 += d.m();
75 total6 += d.m();
76 total7 += d.m();
77 total8 += d.m();
78 total9 += d.m();
79 }
80 return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9;
81 }
82 return 0;
83 }
84
85 public void run() {
86 long result = test(true);
87 for (int i = 0; i < 300; i++) {
88 long result2 = test(true);
89 if (result != result2) {
90 throw new InternalError(result + " != " + result2);
91 }
92 }
93 }
94
95 public static void main(String[] args) throws Exception {
96 Test6891750 Test6891750 = new Test6891750();
97 // warm it up
98 for (int i = 0; i < 200000; i++) {
99 Test6891750.test(false);
100 }
101 // set in off running
102 Test6891750.start();
103 Thread.sleep(2000);
104
105 // Load a class to invalidate CHA
106 new Other6891750();
107 }
108 }

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