aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 8041458
aoqi@0:  * @summary profiling of arguments in C1 at MethodHandle invoke of intrinsic tries to profile popped argument.
aoqi@0:  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:TieredStopAtLevel=3 TestMethodHandleInvokesIntrinsic
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.lang.invoke.*;
aoqi@0: 
aoqi@0: public class TestMethodHandleInvokesIntrinsic {
aoqi@0: 
aoqi@0:     static final MethodHandle mh_nanoTime;
aoqi@0:     static final MethodHandle mh_getClass;
aoqi@0:     static {
aoqi@0:         MethodHandles.Lookup lookup = MethodHandles.lookup();
aoqi@0:         MethodType mt = MethodType.methodType(long.class);
aoqi@0:         MethodHandle MH = null;
aoqi@0:         try {
aoqi@0:             MH = lookup.findStatic(System.class, "nanoTime", mt);
aoqi@0:         } catch(NoSuchMethodException nsme) {
aoqi@0:             nsme.printStackTrace();
aoqi@0:             throw new RuntimeException("TEST FAILED", nsme);
aoqi@0:         } catch(IllegalAccessException iae) {
aoqi@0:             iae.printStackTrace();
aoqi@0:             throw new RuntimeException("TEST FAILED", iae);
aoqi@0:         }
aoqi@0:         mh_nanoTime = MH;
aoqi@0: 
aoqi@0:         mt = MethodType.methodType(Class.class);
aoqi@0:         MH = null;
aoqi@0:         try {
aoqi@0:             MH = lookup.findVirtual(Object.class, "getClass", mt);
aoqi@0:         } catch(NoSuchMethodException nsme) {
aoqi@0:             nsme.printStackTrace();
aoqi@0:             throw new RuntimeException("TEST FAILED", nsme);
aoqi@0:         } catch(IllegalAccessException iae) {
aoqi@0:             iae.printStackTrace();
aoqi@0:             throw new RuntimeException("TEST FAILED", iae);
aoqi@0:         }
aoqi@0:         mh_getClass = MH;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static long m1() throws Throwable {
aoqi@0:         return (long)mh_nanoTime.invokeExact();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static Class m2(Object o) throws Throwable {
aoqi@0:         return (Class)mh_getClass.invokeExact(o);
aoqi@0:     }
aoqi@0: 
aoqi@0:     static public void main(String[] args) {
aoqi@0:         try {
aoqi@0:             for (int i = 0; i < 20000; i++) {
aoqi@0:                 m1();
aoqi@0:             }
aoqi@0:             TestMethodHandleInvokesIntrinsic o = new TestMethodHandleInvokesIntrinsic();
aoqi@0:             for (int i = 0; i < 20000; i++) {
aoqi@0:                 m2(o);
aoqi@0:             }
aoqi@0:         } catch(Throwable t) {
aoqi@0:             System.out.println("Unexpected exception");
aoqi@0:             t.printStackTrace();
aoqi@0:             throw new RuntimeException("TEST FAILED", t);
aoqi@0:         }
aoqi@0: 
aoqi@0:         System.out.println("TEST PASSED");
aoqi@0:     }
aoqi@0: }