--- old/test/hotspot/jtreg/runtime/appcds/dynamicArchive/test-classes/TestJIT.java 2019-07-24 08:27:26.145469110 -0400 +++ /dev/null 2019-07-22 09:37:15.068007775 -0400 @@ -1,59 +0,0 @@ -/* - * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -import sun.hotspot.WhiteBox; - -import java.lang.reflect.Method; -import java.util.HashMap; - -public class TestJIT { - - private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); - - static void doSomething() { - HashMap map = new HashMap<>(); - for (int i=0; i<400; i++) { - // Call these methods so that the class/field/method references used - // by these methods are resolved. This allows C2 to compile more code. - String x = "Hello" + i; - map.put(x, x); - map.get(x); - } - } - - static public void main(String[] args) throws NoSuchMethodException { - Method put_method = HashMap.class.getDeclaredMethod("put", Object.class, Object.class); - Method get_method = HashMap.class.getDeclaredMethod("get", Object.class); - Method test_method = TestJIT.class.getDeclaredMethod("doSomething"); - - doSomething(); - - // 4 == CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION => C2 - WHITE_BOX.enqueueMethodForCompilation(get_method, 4); - WHITE_BOX.enqueueMethodForCompilation(put_method, 4); - WHITE_BOX.enqueueMethodForCompilation(test_method, 4); - - // Try to start dynamic dumping while the above compilations are still in progesss - System.exit(0); - } -} --- /dev/null 2019-07-22 09:37:15.068007775 -0400 +++ new/test/hotspot/jtreg/runtime/cds/dynamicArchive/test-classes/TestJIT.java 2019-07-24 08:27:25.937469117 -0400 @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +import sun.hotspot.WhiteBox; + +import java.lang.reflect.Method; +import java.util.HashMap; + +public class TestJIT { + + private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); + + static void doSomething() { + HashMap map = new HashMap<>(); + for (int i=0; i<400; i++) { + // Call these methods so that the class/field/method references used + // by these methods are resolved. This allows C2 to compile more code. + String x = "Hello" + i; + map.put(x, x); + map.get(x); + } + } + + static public void main(String[] args) throws NoSuchMethodException { + Method put_method = HashMap.class.getDeclaredMethod("put", Object.class, Object.class); + Method get_method = HashMap.class.getDeclaredMethod("get", Object.class); + Method test_method = TestJIT.class.getDeclaredMethod("doSomething"); + + doSomething(); + + // 4 == CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION => C2 + WHITE_BOX.enqueueMethodForCompilation(get_method, 4); + WHITE_BOX.enqueueMethodForCompilation(put_method, 4); + WHITE_BOX.enqueueMethodForCompilation(test_method, 4); + + // Try to start dynamic dumping while the above compilations are still in progesss + System.exit(0); + } +}