/*

 * Copyright (c) 2011, 2018, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package org.graalvm.compiler.core.test;

import java.io.Serializable;

import java.util.ArrayList;

import java.util.List;

import org.junit.Test;

public class IfReorderTest extends GraalCompilerTest {

    private static Object fieldA = Integer.class;

    private static Object fieldB = Double.class;

    @Test

    public void test1() {

        test("test1Snippet", new ArrayList<>());

    }

    public static Object test1Snippet(Object o) {

        /*

         * Serializable and List are not mutually exclusive, so these two IFs should never be

         * reordered.

         */

        if (branchProbability(0.1, o instanceof Serializable)) {

            return fieldA;

        }

        if (branchProbability(0.9, o instanceof List)) {

            return fieldB;

        }

        return null;

    }

}