| /* |
| * 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"); |
| } |
| } |