author | epavlova |
Thu, 24 Oct 2019 11:25:53 -0700 | |
changeset 58789 | a2dfaae89445 |
parent 51298 | 3e08503ad77e |
child 58800 | dc5d2d009d60 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 2019, 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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* |
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* @summary converted from VM Testbase vm/mlvm/meth/stress/compiler/deoptimize. |
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* VM Testbase keywords: [feature_mlvm, nonconcurrent, quarantine] |
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* VM Testbase comments: 8079642 8208255 |
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* VM Testbase readme: |
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* DESCRIPTION |
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* The test creates and calls MH sequences (see vm/mlvm/mh/func/sequences test) causing compilation |
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* (by calling sequence 10000 times) and deoptimization (by using uncommon traps). |
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* See vm.mlvm.meth.stress.java.sequences.Test for details on MH sequences. |
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* |
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* @library /vmTestbase |
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* /test/lib |
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* @run driver jdk.test.lib.FileInstaller . . |
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* |
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* @comment build test class and indify classes |
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* @build vm.mlvm.meth.stress.compiler.deoptimize.Test |
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* @run driver vm.mlvm.share.IndifiedClassesBuilder |
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* |
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* @requires vm.debug != true |
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* |
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* @run main/othervm |
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* -XX:ReservedCodeCacheSize=100m |
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* vm.mlvm.meth.stress.compiler.deoptimize.Test |
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* -threadsPerCpu 4 |
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* -threadsExtra 2 |
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*/ |
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/* |
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* @test |
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* |
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* @library /vmTestbase |
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* /test/lib |
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* @run driver jdk.test.lib.FileInstaller . . |
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* |
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* @comment build test class and indify classes |
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* @build vm.mlvm.meth.stress.compiler.deoptimize.Test |
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* @run driver vm.mlvm.share.IndifiedClassesBuilder |
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* |
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* @requires vm.debug == true |
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* |
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* @run main/othervm |
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* -XX:ReservedCodeCacheSize=100m |
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* vm.mlvm.meth.stress.compiler.deoptimize.Test |
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* -threadsPerCpu 2 |
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* -threadsExtra 2 |
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*/ |
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package vm.mlvm.meth.stress.compiler.deoptimize; |
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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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import vm.mlvm.meth.share.Argument; |
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import vm.mlvm.meth.share.MHTransformationGen; |
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import vm.mlvm.meth.share.RandomArgumentsGen; |
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import vm.mlvm.share.Env; |
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import vm.mlvm.share.MlvmTest; |
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import vm.mlvm.share.MultiThreadedTest; |
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// TODO: check deopt using vm.mlvm.share.comp framework |
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public class Test extends MultiThreadedTest { |
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static class A { |
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Object m() { |
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return new Integer(0); |
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} |
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} |
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static class B extends A { |
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@Override |
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Object m() { |
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return new Integer(1); |
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} |
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} |
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static class TestData { |
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final A _a; |
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final int _expectedResult; |
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TestData(A a) { |
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_a = a; |
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_expectedResult = (Integer) a.m(); |
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} |
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Object m() { |
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return _a.m(); |
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} |
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} |
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volatile TestData _data = new TestData(new A()); |
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volatile boolean _testDone = false; |
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final MethodHandle _mh; |
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final Argument[] _finalArgs; |
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public Test() throws Throwable { |
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_mh = MethodHandles.lookup().findVirtual(TestData.class, "m", MethodType.methodType(Object.class)); |
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_finalArgs = RandomArgumentsGen.createRandomArgs(true, _mh.type()); |
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} |
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|
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@Override |
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protected void initializeTest() throws Throwable { |
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super.initializeTest(); |
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if (calcThreadNum() < 2) { |
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throw new IllegalArgumentException("Number of threads should be 2 or more"); |
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} |
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} |
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|
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private void sleepAndDeoptimize() throws Throwable { |
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try { |
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Thread.sleep(3000); |
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// Force deoptimization in uncommon trap logic |
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Env.traceNormal("Deoptimizing"); |
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_data = new TestData((A) Test.class.getClassLoader().loadClass(Test.class.getName() + "$B").newInstance()); |
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Thread.sleep(3000); |
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} finally { |
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this._testDone = true; |
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} |
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} |
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|
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@Override |
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protected boolean runThread(int threadNum) throws Throwable { |
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if ( threadNum == 0 ) { |
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sleepAndDeoptimize(); |
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return true; |
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} |
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|
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while ( ! Test.this._testDone) { |
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TestData dataSnapshot = _data; |
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Integer expectedResult = (Integer) dataSnapshot._a.m(); |
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Argument retVal = new Argument(Object.class, expectedResult); |
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retVal.setPreserved(true); |
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|
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MHTransformationGen.createAndCallSequence(retVal, dataSnapshot, _mh, _finalArgs, true); |
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} |
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|
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return true; |
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} |
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|
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public static void main(String[] args) { MlvmTest.launch(args); } |
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} |