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