/*

 * Copyright (c) 2014, 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.

 */

/*

 * @test

 * @bug 8041458

 * @summary profiling of arguments in C1 at MethodHandle invoke of intrinsic tries to profile popped argument.

 *

 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement

 *                   -XX:TieredStopAtLevel=3

 *                   compiler.profiling.TestMethodHandleInvokesIntrinsic

 *

 */

package compiler.profiling;

import java.lang.invoke.MethodHandle;

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodType;

public class TestMethodHandleInvokesIntrinsic {

    static final MethodHandle mh_nanoTime;

    static final MethodHandle mh_getClass;

    static {

        MethodHandles.Lookup lookup = MethodHandles.lookup();

        MethodType mt = MethodType.methodType(long.class);

        MethodHandle MH = null;

        try {

            MH = lookup.findStatic(System.class, "nanoTime", mt);

        } catch(NoSuchMethodException nsme) {

            nsme.printStackTrace();

            throw new RuntimeException("TEST FAILED", nsme);

        } catch(IllegalAccessException iae) {

            iae.printStackTrace();

            throw new RuntimeException("TEST FAILED", iae);

        }

        mh_nanoTime = MH;

        mt = MethodType.methodType(Class.class);

        MH = null;

        try {

            MH = lookup.findVirtual(Object.class, "getClass", mt);

        } catch(NoSuchMethodException nsme) {

            nsme.printStackTrace();

            throw new RuntimeException("TEST FAILED", nsme);

        } catch(IllegalAccessException iae) {

            iae.printStackTrace();

            throw new RuntimeException("TEST FAILED", iae);

        }

        mh_getClass = MH;

    }

    static long m1() throws Throwable {

        return (long)mh_nanoTime.invokeExact();

    }

    static Class m2(Object o) throws Throwable {

        return (Class)mh_getClass.invokeExact(o);

    }

    static public void main(String[] args) {

        try {

            for (int i = 0; i < 20000; i++) {

                m1();

            }

            TestMethodHandleInvokesIntrinsic o = new TestMethodHandleInvokesIntrinsic();

            for (int i = 0; i < 20000; i++) {

                m2(o);

            }

        } catch(Throwable t) {

            System.out.println("Unexpected exception");

            t.printStackTrace();

            throw new RuntimeException("TEST FAILED", t);

        }

        System.out.println("TEST PASSED");

    }

}