/*

 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @bug 8196296

 * @summary Bad graph when unrolled loop bounds conflicts with range checks

 *

 * @run main/othervm -XX:-BackgroundCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=0 TestStripMinedBackToBackIfs

 *

 */

public class TestStripMinedBackToBackIfs {

    public static void main(String[] args) {

        for (int i = 0; i < 20_000; i++) {

            test(100);

        }

    }

    private static double test(int limit) {

        double v = 1;

        for (int i = 0; i < limit; i++) {

            v = v * 4;

            // We don't want this test to be merged with identical

            // loop end test

            if (i+1 < limit) {

                v = v * 2;

            }

        }

        return v;

    }

}