1 /* 2 * Copyright (c) 2011, 2018, 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 25 /* 26 * @test 27 * 28 * @summary converted from VM Testbase vm/mlvm/meth/stress/compiler/sequences. 29 * VM Testbase keywords: [feature_mlvm, nonconcurrent, quarantine] 30 * VM Testbase comments: 8079714 31 * VM Testbase readme: 32 * DESCRIPTION 33 * Create various long sequences of method handles, adding/removing/joining/splitting arguments. 34 * Don't verify correctness of results. Just try to stress compiler. 35 * See vm.mlvm.meth.stress.java.sequences.Test for details on MH sequences. 36 * 37 * @library /vmTestbase 38 * /test/lib 39 * @run driver jdk.test.lib.FileInstaller . . 40 * 41 * @comment build test class and indify classes 42 * @build vm.mlvm.meth.stress.compiler.sequences.Test 43 * @run driver vm.mlvm.share.IndifiedClassesBuilder 44 * 45 * @run main/othervm 46 * vm.mlvm.meth.stress.compiler.sequences.Test 47 * -threadsPerCpu 1 48 * -threadsExtra 2 49 * -stressIterationsFactor 1000 50 */ 51 52 package vm.mlvm.meth.stress.compiler.sequences; 53 54 import java.lang.invoke.MethodHandle; 55 import java.lang.invoke.MethodHandles; 56 import java.lang.invoke.MethodType; 57 58 import nsk.share.test.Stresser; 59 import vm.mlvm.meth.share.Argument; 60 import vm.mlvm.meth.share.MHTransformationGen; 61 import vm.mlvm.meth.share.RandomArgumentsGen; 62 import vm.mlvm.share.MlvmTest; 63 import vm.mlvm.share.MultiThreadedTest; 64 65 //TODO: check deoptimization using vm.mlvm.share.comp framework 66 public class Test extends MultiThreadedTest { 67 68 Object target(int i, String s, Float f) { 69 return i + s + f; 70 } 71 72 final MethodHandle _mh; 73 final Argument[] _finalArgs; 74 final Argument _retVal; 75 76 public Test() throws Throwable { 77 super(); 78 79 _mh = MethodHandles.lookup().findVirtual( 80 Test.class, 81 "target", 82 MethodType.methodType(Object.class, int.class, String.class, Float.class)); 83 84 _finalArgs = RandomArgumentsGen.createRandomArgs(true, _mh.type()); 85 _retVal = Argument.fromValue(target( 86 (Integer) _finalArgs[0].getValue(), 87 (String) _finalArgs[1].getValue(), 88 (Float) _finalArgs[2].getValue())); 89 _retVal.setPreserved(true); 90 } 91 92 @Override 93 public boolean runThread(int threadNum) throws Throwable { 94 95 Stresser stresser = createStresser(); 96 stresser.start(1); 97 try { 98 while ( stresser.continueExecution() ) { 99 stresser.iteration(); 100 MHTransformationGen.callSequence(MHTransformationGen.createSequence(_retVal, Test.this, _mh, _finalArgs), true); 101 } 102 } finally { 103 stresser.finish(); 104 } 105 106 return true; 107 } 108 109 public static void main(String[] args) { MlvmTest.launch(args); } 110 }