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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 8340454
 * @summary Check that Reduce Allocation Merges doesn't crash when
 *          a reducible Phi becomes irreducible after the last of
 *          its SR inputs is flagged as NSR.
 * @run main/othervm -XX:CompileCommand=dontinline,*TestReduceAllocationAndNonReduciblePhi*::test
 *                   -XX:CompileCommand=compileonly,*TestReduceAllocationAndNonReduciblePhi*::test
 *                   -XX:CompileCommand=compileonly,*Picture*::*
 *                   -XX:CompileCommand=compileonly,*Point*::*
 *                   -XX:CompileCommand=inline,*Picture*::*
 *                   -XX:CompileCommand=inline,*Point*::*
 *                   -XX:CompileCommand=exclude,*::dummy*
 *                   -Xbatch
 *                   compiler.escapeAnalysis.TestReduceAllocationAndNonReduciblePhi
 *
 * @run main compiler.escapeAnalysis.TestReduceAllocationAndNonReduciblePhi
 */

package compiler.escapeAnalysis;

public class TestReduceAllocationAndNonReduciblePhi {
    public static void main(String args[]) {
        int result = 0;

        for (int i = 0; i < 20000; i++) {
            result += test(i % 2 == 0, i % 3);
        }

        System.out.println("Result is = " + result);
    }

    public static int test(boolean flag1, int pos) {
        Point p0 = new Point();
        Point p1 = flag1 ? null : p0;

        Picture pic = new Picture();
        pic.p = p0;

        Picture[] ps = new Picture[5];
        ps[pos] = pic;

        return p1 != null ? dummy1() : dummy2();
    }

    public static int dummy1() { return 1; }

    public static int dummy2() { return 2; }

    private static class Picture {
        public Point p;
    }

    private static class Point { }
}