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annotate test/compiler/dependencies/MonomorphicObjectCall/TestMonomorphicObjectCall.java @ 20992:0a4bbeae6e31

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[SPARC] Configure registers right for register pressure in gate run
author Stefan Anzinger <stefan.anzinger@oracle.com>
date Thu, 16 Apr 2015 17:00:53 +0200
parents bee8095780db
children
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 import java.io.File;
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25 import java.util.ArrayList;
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26 import java.util.Collections;
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27
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28 import com.oracle.java.testlibrary.*;
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29
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30 /*
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31 * @test
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32 * @bug 8050079
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33 * @summary Compiles a monomorphic call to finalizeObject() on a modified java.lang.Object to test C1 CHA.
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34 * @library /testlibrary
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35 * @compile -XDignore.symbol.file java/lang/Object.java TestMonomorphicObjectCall.java
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36 * @run main TestMonomorphicObjectCall
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37 */
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38 public class TestMonomorphicObjectCall {
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39 final static String testClasses = System.getProperty("test.classes") + File.separator;
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40
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41 private static void callFinalize(Object object) throws Throwable {
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42 // Call modified version of java.lang.Object::finalize() that is
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43 // not overridden by any subclass. C1 CHA should mark the call site
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44 // as monomorphic and inline the method.
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45 object.finalizeObject();
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46 }
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47
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48 public static void main(String[] args) throws Throwable {
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49 if (args.length == 0) {
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50 // Execute new instance with modified java.lang.Object
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51 executeTestJvm();
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52 } else {
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53 // Trigger compilation of 'callFinalize'
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54 callFinalize(new Object());
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55 }
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56 }
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57
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58 public static void executeTestJvm() throws Throwable {
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59 // Execute test with modified version of java.lang.Object
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60 // in -Xbootclasspath.
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61 String[] vmOpts = new String[] {
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62 "-Xbootclasspath/p:" + testClasses,
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63 "-Xcomp",
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64 "-XX:-VerifyDependencies",
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65 "-XX:CompileOnly=TestMonomorphicObjectCall::callFinalize",
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66 "-XX:CompileOnly=Object::finalizeObject",
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67 "-XX:TieredStopAtLevel=1",
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68 TestMonomorphicObjectCall.class.getName(),
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69 "true"};
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70 OutputAnalyzer output = ProcessTools.executeTestJvm(vmOpts);
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71 output.shouldHaveExitValue(0);
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72 }
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73 }