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/*
 * @test id=all-flags-fixed-stress-seed
 * @bug 8371146
 * @summary Test where the pre_init was pinned before the pre-loop but after the
 *          Auto_Vectorization_Check, and so it should not be used for the auto
 *          vectorization aliasing check, to avoid a bad (circular) graph.
 * @requires vm.gc.Z
 * @run main/othervm
 *      -XX:+IgnoreUnrecognizedVMOptions
 *      -XX:CompileCommand=compileonly,*TestAliasingCheckPreLimitNotAvailable::test
 *      -XX:-TieredCompilation
 *      -Xcomp
 *      -XX:+UseZGC
 *      -XX:+UnlockDiagnosticVMOptions -XX:+StressLoopPeeling -XX:StressSeed=4
 *      -XX:LoopUnrollLimit=48
 *      compiler.loopopts.superword.TestAliasingCheckPreLimitNotAvailable
 */

/*
 * @test id=all-flags-no-stress-seed
 * @bug 8371146
 * @requires vm.gc.Z
 * @run main/othervm
 *      -XX:+IgnoreUnrecognizedVMOptions
 *      -XX:CompileCommand=compileonly,*TestAliasingCheckPreLimitNotAvailable::test
 *      -XX:-TieredCompilation
 *      -Xcomp
 *      -XX:+UseZGC
 *      -XX:+UnlockDiagnosticVMOptions -XX:+StressLoopPeeling
 *      -XX:LoopUnrollLimit=48
 *      compiler.loopopts.superword.TestAliasingCheckPreLimitNotAvailable
 */

/*
 * @test id=fewer-flags
 * @bug 8371146
 * @run main/othervm
 *      -XX:+IgnoreUnrecognizedVMOptions
 *      -XX:CompileCommand=compileonly,*TestAliasingCheckPreLimitNotAvailable::test
 *      -XX:-TieredCompilation
 *      -Xcomp
 *      -XX:LoopUnrollLimit=48
 *      compiler.loopopts.superword.TestAliasingCheckPreLimitNotAvailable
 */

/*
 * @test id=minimal-flags
 * @bug 8371146
 * @run main/othervm
 *      -XX:+IgnoreUnrecognizedVMOptions
 *      -XX:CompileCommand=compileonly,*TestAliasingCheckPreLimitNotAvailable::test
 *      -XX:-TieredCompilation
 *      -Xcomp
 *      compiler.loopopts.superword.TestAliasingCheckPreLimitNotAvailable
 */

/*
 * @test id=vanilla
 * @bug 8371146
 * @run main compiler.loopopts.superword.TestAliasingCheckPreLimitNotAvailable
 */

package compiler.loopopts.superword;

public class TestAliasingCheckPreLimitNotAvailable {
    static int sum;
    static boolean condition;
    static int zero;
    static int twoDimensional[][] = new int[20][20];

    static void test() {
        int innerCount = 0;
        int conditionCount = 0;
        int oneDimensional[] = new int[10];
        for (int i = 2; i > 0; --i) {
            for (int j = i; j < 10; j++) {
                innerCount += 1;
                oneDimensional[1] += innerCount;
                oneDimensional[j] += zero;
                if (condition) {
                    conditionCount += 1;
                    oneDimensional[1] += conditionCount;
                    sum += oneDimensional[1];
                }
                twoDimensional[j] = twoDimensional[j + 1];
            }
        }
    }

    public static void main(String[] args) {
        test();
    }
}