1/* 2 * Copyright (c) 2013, 2016, 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 * @test DeoptimizeMethodTest 26 * @bug 8006683 8007288 8022832 27 * @summary testing of WB::deoptimizeMethod() 28 * @library /test/lib / 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @build sun.hotspot.WhiteBox 32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI -XX:-UseCounterDecay 36 * -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::* 37 * compiler.whitebox.DeoptimizeMethodTest 38 */ 39 40package compiler.whitebox; 41 42public class DeoptimizeMethodTest extends CompilerWhiteBoxTest { 43 44 public static void main(String[] args) throws Exception { 45 CompilerWhiteBoxTest.main(DeoptimizeMethodTest::new, args); 46 } 47 48 private DeoptimizeMethodTest(TestCase testCase) { 49 super(testCase); 50 // to prevent inlining of #method 51 WHITE_BOX.testSetDontInlineMethod(method, true); 52 } 53 54 /** 55 * Tests {@code WB::deoptimizeMethod()} by calling it after 56 * compilation and checking that method isn't compiled. 57 * 58 * @throws Exception if one of the checks fails. 59 */ 60 @Override 61 protected void test() throws Exception { 62 if (skipXcompOSR()) { 63 return; 64 } 65 compile(); 66 checkCompiled(); 67 deoptimize(); 68 checkNotCompiled(); 69 } 70} 71