1/*
2 * Copyright 2016 Google, 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 8166742
27 * @summary C2 IV elimination throws FPE
28 * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation TestImpossibleIV
29 * @author Chuck Rasbold rasbold@google.com
30 */
31
32/*
33 * Use -XX:-TieredCompilation to get C2 only.
34 * Use -XX:-BackgroundCompilation to wait for compilation before test exit.
35 */
36
37public class TestImpossibleIV {
38
39  static private void testMethod() {
40    int sum = 0;
41    // A unit count-down loop which has an induction variable with
42    // MIN_VALUE stride.
43    for (int i = 100000; i >= 0; i--) {
44      sum += Integer.MIN_VALUE;
45    }
46  }
47
48  public static void main(String[] args) {
49    testMethod();
50  }
51}
52