/*

 * Copyright (c) 2015, Oracle and/or its affiliates. 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.

 *

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 */

/**

 * @test

 * @bug 8073184

 * @summary CastII that guards counted loops confuses range check elimination with LoopLimitCheck off

 *

 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xcomp

 *      -XX:CompileCommand=compileonly,compiler.loopopts.TestCastIINoLoopLimitCheck::m

 *      compiler.loopopts.TestCastIINoLoopLimitCheck

 */

package compiler.loopopts;

/*

 * The test was originally run with

 *

 * -XX:+UnlockDiagnosticVMOptions -XX:-LoopLimitCheck

 *

 * to trigger a problem with code guarded with !LoopLimitCheck.

 * JDK-8072422 has removed that code but kept the test because the

 * test generates an interesting graph shape.

 */

public class TestCastIINoLoopLimitCheck {

    static void m(int i, int index, char[] buf) {

        while (i >= 65536) {

            i = i / 100;

            buf [--index] = 0;

            buf [--index] = 1;

        }

    }

    static public void main(String[] args) {

        m(0, 0, null);

    }

}