hotspot/test/compiler/whitebox/EnqueueMethodForCompilationTest.java
author thartmann
Mon, 13 Oct 2014 12:30:37 +0200
changeset 27146 06664440c7a3
parent 25958 8dc85547d6d6
child 28190 5a6b07edeb21
permissions -rw-r--r--
8046268: compiler/whitebox/ tests fail : must be osr_compiled Summary: Added code to 'warm up' the methods before triggering OSR compilation by executing them a limited number of times. Like this, the profile information marks the loop exit as taken and we don't add an uncommon trap. Reviewed-by: kvn, dlong, iignatyev
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/*
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 * Copyright (c) 2013, 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 EnqueueMethodForCompilationTest
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 * @bug 8006683 8007288 8022832
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 * @library /testlibrary /testlibrary/whitebox
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 * @build EnqueueMethodForCompilationTest
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 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* EnqueueMethodForCompilationTest
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 * @summary testing of WB::enqueueMethodForCompilation()
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 * @author igor.ignatyev@oracle.com
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 */
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public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {
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    public static void main(String[] args) throws Exception {
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        CompilerWhiteBoxTest.main(EnqueueMethodForCompilationTest::new, args);
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    }
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    private EnqueueMethodForCompilationTest(TestCase testCase) {
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        super(testCase);
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        // to prevent inlining of #method
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        WHITE_BOX.testSetDontInlineMethod(method, true);
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    }
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    @Override
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    protected void test() throws Exception {
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        checkNotCompiled();
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        // method can not be compiled on level 'none'
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        WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);
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        if (isCompilable(COMP_LEVEL_NONE)) {
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            throw new RuntimeException(method
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                    + " is compilable at level COMP_LEVEL_NONE");
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        }
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        checkNotCompiled();
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        // COMP_LEVEL_ANY is inapplicable as level for compilation
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        WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);
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        checkNotCompiled();
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        // not existing comp level
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        WHITE_BOX.enqueueMethodForCompilation(method, 42);
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        checkNotCompiled();
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        compile();
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        checkCompiled();
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        int compLevel = getCompLevel();
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        int bci = WHITE_BOX.getMethodEntryBci(method);
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        deoptimize();
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        checkNotCompiled();
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        WHITE_BOX.clearMethodState(method);
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        WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
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        checkCompiled();
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        deoptimize();
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        checkNotCompiled();
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        compile();
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        checkCompiled();
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        deoptimize();
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        checkNotCompiled();
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    }
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}