109 lines
3.4 KiB
Java
109 lines
3.4 KiB
Java
/*
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* Copyright (c) 2013, 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 8027631
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* @summary profiling of arguments at calls cannot rely on signature of callee for types
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*
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* @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111
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* -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7
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* compiler.profiling.TestUnexpectedProfilingMismatch
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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 TestUnexpectedProfilingMismatch {
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static class A {
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}
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static class B {
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}
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static void mA(A a) {
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}
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static void mB(B b) {
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}
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static final MethodHandle mhA;
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static final MethodHandle mhB;
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static {
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MethodHandles.Lookup lookup = MethodHandles.lookup();
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MethodType mt = MethodType.methodType(void.class, A.class);
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MethodHandle res = null;
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try {
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res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt);
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} catch(NoSuchMethodException ex) {
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} catch(IllegalAccessException ex) {
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}
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mhA = res;
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mt = MethodType.methodType(void.class, B.class);
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try {
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res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt);
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} catch(NoSuchMethodException ex) {
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} catch(IllegalAccessException ex) {
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}
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mhB = res;
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}
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void m1(A a, boolean doit) throws Throwable {
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if (doit) {
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mhA.invoke(a);
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}
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}
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void m2(B b) throws Throwable {
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mhB.invoke(b);
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}
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static public void main(String[] args) {
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TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch();
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A a = new A();
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B b = new B();
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try {
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for (int i = 0; i < 256 - 1; i++) {
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tih.m1(a, true);
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}
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// Will trigger the compilation but will also run once
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// more interpreted with a non null MDO which it will
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// update. Make it skip the body of the method.
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tih.m1(a, false);
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// Compile this one as well and do the profiling
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for (int i = 0; i < 256; i++) {
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tih.m2(b);
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}
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// Will run and see a conflict
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tih.m1(a, true);
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} catch(Throwable ex) {
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ex.printStackTrace();
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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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