/*

 * Copyright (c) 2015, 2019, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package org.graalvm.compiler.core.test;

import org.junit.Test;

public class ConditionalEliminationPiTest extends ConditionalEliminationTestBase {

    static int SideEffect;

    static double oracleValue1 = -0.0;

    static double oracleValue2;

    public static double testSnippet1(int a) {

        double phi;

        if (a > 0) {

            double oracle = oracleValue1;

            if (oracle == 0.0) {

                SideEffect = 1;

            } else {

                return 123;

            }

            phi = oracle;

        } else {

            double oracle = oracleValue2;

            if (oracle == 0.0) {

                SideEffect = 1;

                phi = oracle;

            } else {

                return 0;

            }

        }

        if (Double.doubleToRawLongBits(phi) == Double.doubleToRawLongBits(-0.0)) {

            return 12;

        }

        return 2;

    }

    @Test

    public void test1() {

        test("testSnippet1", 1);

    }

}