Mercurial > hg > graal-compiler
view test/compiler/profiling/TestMethodHandleInvokesIntrinsic.java @ 20443:64b480f9eb1a
Merge
author | ctornqvi |
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date | Wed, 10 Sep 2014 17:36:20 +0000 |
parents | 45e59fae8f2b |
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/* * 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 TestMethodHandleInvokesIntrinsic * */ import java.lang.invoke.*; 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"); } }