/*

 * 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 8210389

 * @summary C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc

 *

 * @run main/othervm -Xcomp -XX:CompileOnly=VolatileLoadMemBarsOnlyUses VolatileLoadMemBarsOnlyUses

 *

 */

public class VolatileLoadMemBarsOnlyUses {

    public static final int N = 400;

    public static long instanceCount=-94L;

    public static volatile byte byFld=-108;

    public int mainTest(String[] strArr1) {

        int i17=9, i19=1, i20=63, i21=-32916, i22=0, iArr[]=new int[N];

        boolean b1=false;

        double d3=76.18241;

        for (int i : iArr) {

            for (i17 = 2; i17 < 63; i17++) {

                if (b1) break;

                byFld += (byte)(0.131F + (i17 * i17));

            }

            for (i19 = 1; 63 > i19; ++i19) {

                for (i21 = 1; i21 < 2; i21++) {

                    d3 = i22;

                    if (b1) continue;

                    i20 = i21;

                }

                d3 -= byFld;

                instanceCount = 46725L;

            }

            switch ((((i22 >>> 1) % 4) * 5) + 91) {

            case 98:

                break;

            case 110:

                break;

            case 105:

                break;

            case 103:

                break;

            default:

            }

        }

        return i20;

    }

    public static void main(String[] strArr) {

        VolatileLoadMemBarsOnlyUses _instance = new VolatileLoadMemBarsOnlyUses();

        for (int i = 0; i < 10; i++ ) {

            _instance.mainTest(strArr);

        }

    }

}