test/compiler/dependencies/MonomorphicObjectCall/TestMonomorphicObjectCall.java

changeset 7380
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child 8767
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equal deleted inserted replaced
7379:b62a321c4d2e 7380:bee8095780db
1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.io.File;
25 import java.util.ArrayList;
26 import java.util.Collections;
27
28 import com.oracle.java.testlibrary.*;
29
30 /*
31 * @test
32 * @bug 8050079
33 * @summary Compiles a monomorphic call to finalizeObject() on a modified java.lang.Object to test C1 CHA.
34 * @library /testlibrary
35 * @compile -XDignore.symbol.file java/lang/Object.java TestMonomorphicObjectCall.java
36 * @run main TestMonomorphicObjectCall
37 */
38 public class TestMonomorphicObjectCall {
39 final static String testClasses = System.getProperty("test.classes") + File.separator;
40
41 private static void callFinalize(Object object) throws Throwable {
42 // Call modified version of java.lang.Object::finalize() that is
43 // not overridden by any subclass. C1 CHA should mark the call site
44 // as monomorphic and inline the method.
45 object.finalizeObject();
46 }
47
48 public static void main(String[] args) throws Throwable {
49 if (args.length == 0) {
50 // Execute new instance with modified java.lang.Object
51 executeTestJvm();
52 } else {
53 // Trigger compilation of 'callFinalize'
54 callFinalize(new Object());
55 }
56 }
57
58 public static void executeTestJvm() throws Throwable {
59 // Execute test with modified version of java.lang.Object
60 // in -Xbootclasspath.
61 String[] vmOpts = new String[] {
62 "-Xbootclasspath/p:" + testClasses,
63 "-Xcomp",
64 "-XX:-VerifyDependencies",
65 "-XX:CompileOnly=TestMonomorphicObjectCall::callFinalize",
66 "-XX:CompileOnly=Object::finalizeObject",
67 "-XX:TieredStopAtLevel=1",
68 TestMonomorphicObjectCall.class.getName(),
69 "true"};
70 OutputAnalyzer output = ProcessTools.executeTestJvm(vmOpts);
71 output.shouldHaveExitValue(0);
72 }
73 }

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