Test7110586.java revision 11707:ad7af1afda7a 
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 7110586
28 * @summary C2 generates icorrect results
29 *
30 * @run main/othervm -Xbatch compiler.c2.Test7110586
31 */
32
33package compiler.c2;
34
35public class Test7110586 {
36  static int test1() {
37    int i = 0;
38    for ( ; i < 11; i+=1) {}
39    return i;
40  }
41  static int test2() {
42    int i = 0;
43    for ( ; i < 11; i+=2) {}
44    return i;
45  }
46  static int test3() {
47    int i = 0;
48    for ( ; i < 11; i+=3) {}
49    return i;
50  }
51  static int test11() {
52    int i = 0;
53    for ( ; i < 11; i+=11) {}
54    return i;
55  }
56
57  static int testm1() {
58    int i = 0;
59    for ( ; i > -11; i-=1) {}
60    return i;
61  }
62  static int testm2() {
63    int i = 0;
64    for ( ; i > -11; i-=2) {}
65    return i;
66  }
67  static int testm3() {
68    int i = 0;
69    for ( ; i > -11; i-=3) {}
70    return i;
71  }
72  static int testm11() {
73    int i = 0;
74    for ( ; i > -11; i-=11) {}
75    return i;
76  }
77
78  public static void main(String args[]) {
79    int x1  = 0;
80    int x2  = 0;
81    int x3  = 0;
82    int x11 = 0;
83    int m1  = 0;
84    int m2  = 0;
85    int m3  = 0;
86    int m11 = 0;
87    for (int i=0; i<10000; i++) {
88      x1  = test1();
89      x2  = test2();
90      x3  = test3();
91      x11 = test11();
92      m1  = testm1();
93      m2  = testm2();
94      m3  = testm3();
95      m11 = testm11();
96    }
97    boolean failed = false;
98    if (x1 != 11) {
99      System.out.println("ERROR (incr = +1): " + x1 + " != 11");
100      failed = true;
101    }
102    if (x2 != 12) {
103      System.out.println("ERROR (incr = +2): " + x2 + " != 12");
104      failed = true;
105    }
106    if (x3 != 12) {
107      System.out.println("ERROR (incr = +3): " + x3 + " != 12");
108      failed = true;
109    }
110    if (x11 != 11) {
111      System.out.println("ERROR (incr = +11): " + x11 + " != 11");
112      failed = true;
113    }
114    if (m1 != -11) {
115      System.out.println("ERROR (incr = -1): " + m1 + " != -11");
116      failed = true;
117    }
118    if (m2 != -12) {
119      System.out.println("ERROR (incr = -2): " + m2 + " != -12");
120      failed = true;
121    }
122    if (m3 != -12) {
123      System.out.println("ERROR (incr = -3): " + m3 + " != -12");
124      failed = true;
125    }
126    if (m11 != -11) {
127      System.out.println("ERROR (incr = -11): " + m11 + " != -11");
128      failed = true;
129    }
130    if (failed) {
131      System.exit(97);
132    }
133  }
134}
135