53 lines
2.2 KiB
Java
53 lines
2.2 KiB
Java
/*
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* Copyright (c) 2014, 2016, 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 8050079
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* @summary Compiles a monomorphic call to finalizeObject() on a modified java.lang.Object to test C1 CHA.
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*
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* @build java.base/java.lang.Object
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xcomp -XX:-VerifyDependencies
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* -XX:TieredStopAtLevel=1
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* -XX:CompileCommand=compileonly,compiler.dependencies.MonomorphicObjectCall.TestMonomorphicObjectCall::callFinalize
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* -XX:CompileCommand=compileonly,java.lang.Object::finalizeObject
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* compiler.dependencies.MonomorphicObjectCall.TestMonomorphicObjectCall
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*/
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package compiler.dependencies.MonomorphicObjectCall;
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public class TestMonomorphicObjectCall {
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private static void callFinalize(Object object) throws Throwable {
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// Call modified version of java.lang.Object::finalize() that is
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// not overridden by any subclass. C1 CHA should mark the call site
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// as monomorphic and inline the method.
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object.finalizeObject();
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}
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public static void main(String[] args) throws Throwable {
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// Trigger compilation of 'callFinalize'
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callFinalize(new Object());
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}
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}
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