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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 8349139
 * @key randomness
 * @summary C2: Div looses dependency on condition that guarantees divisor not null in counted loop
 * @library /test/lib /
 * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=TestDivDependentOnMainLoopGuard::*
 *                   -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:StressSeed=35878193 TestDivDependentOnMainLoopGuard
 * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=TestDivDependentOnMainLoopGuard::*
 *                   -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM TestDivDependentOnMainLoopGuard
 * @run main/othervm -Xcomp -XX:CompileOnly=TestDivDependentOnMainLoopGuard::* TestDivDependentOnMainLoopGuard
 */

import jdk.test.lib.Utils;
import java.util.Random;

public class TestDivDependentOnMainLoopGuard {

    public static final int N = 400;
    private static final Random RANDOM = Utils.getRandomInstance();
    public static final int stop = RANDOM.nextInt(0, 68);

    public int iArrFld[]=new int[N];

    public void mainTest(String[] strArr1, int otherPhi) {

        int i=57657, i1=577, i2=6, i3=157, i4=12, i23=61271;
        boolean bArr[]=new boolean[N];

        for (i = 9; 379 > i; i++) {
            i2 = 1;
            do {
                i1 <<= i3;
            } while (++i2 < 68);
            for (i23 = 68; i23 > stop; otherPhi=i23-1, i23--) {
                bArr[i23 + 1] = true;
                try {
                    i1 = (-42360 / i23);
                    iArrFld[i + 1] = otherPhi;
                } catch (ArithmeticException a_e) {}
            }
        }
    }

    public static void main(String[] strArr) {
        TestDivDependentOnMainLoopGuard _instance = new TestDivDependentOnMainLoopGuard();
        for (int i = 0; i < 10; i++ ) {
            _instance.mainTest(strArr, 0);
        }
    }
}