/*

 * Copyright (c) 2019, 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 8231620

 * @summary assert(bol->is_Bool()) crash during split if due to FastLockNode

 *

 * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement SplitIfSharedFastLockBehindCastPP

 */

public class SplitIfSharedFastLockBehindCastPP {

    private static boolean field;

    private static A obj_field;

    public static void main(String[] args) {

        A lock = new A();

        obj_field = lock;

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

            test1(true, lock);

            test1(false, lock);

            test2(true);

            test2(false);

        }

    }

    private static void test1(boolean flag, Object obj) {

        if (obj == null) {

        }

        boolean flag2;

        if (flag) {

            flag2 = true;

        } else {

            flag2 = false;

            obj = obj_field;

        }

        // This loop will be unswitched. The condition becomes candidate for split if

        for (int i = 0; i < 100; i++) {

            if (flag2) {

                field = true;

            } else {

                field = false;

            }

            synchronized (obj) {

                field = true;

            }

        }

    }

    private static Object test2(boolean flag) {

        int integer;

        if (flag) {

            field = true;

            integer = 1;

        } else {

            field = false;

            integer = 2;

        }

        Object obj = integer;

        // This loop will be unswitched. The condition becomes candidate for split if

        for (int i = 0; i < 100; i++) {

            if (integer == 1) {

                field = true;

            } else {

                field = false;

            }

            synchronized (obj) {

                field = true;

            }

        }

        return obj;

    }

    private static final class A {

    }

}