1 /* 2 * Copyright (c) 2013, 2015, 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 compiler.whitebox.CompilerWhiteBoxTest; 25 26 /* 27 * @test DeoptimizeMethodTest 28 * @bug 8006683 8007288 8022832 29 * @library /testlibrary /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * @modules java.management 32 * @build DeoptimizeMethodTest 33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 34 * sun.hotspot.WhiteBox$WhiteBoxPermission 35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::* DeoptimizeMethodTest 36 * @summary testing of WB::deoptimizeMethod() 37 * @author igor.ignatyev@oracle.com 38 */ 39 public class DeoptimizeMethodTest extends CompilerWhiteBoxTest { 40 41 public static void main(String[] args) throws Exception { 42 CompilerWhiteBoxTest.main(DeoptimizeMethodTest::new, args); 43 } 44 45 private DeoptimizeMethodTest(TestCase testCase) { 46 super(testCase); 47 // to prevent inlining of #method 48 WHITE_BOX.testSetDontInlineMethod(method, true); 49 } 50 51 /** 52 * Tests {@code WB::deoptimizeMethod()} by calling it after 53 * compilation and checking that method isn't compiled. 54 * 55 * @throws Exception if one of the checks fails. 56 */ 57 @Override 58 protected void test() throws Exception { 59 if (skipXcompOSR()) { 60 return; 61 } 62 compile(); 63 checkCompiled(); 64 deoptimize(); 65 checkNotCompiled(); 66 } 67 }