| /* |
| * Copyright (c) 2020, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8255742 |
| * @summary PrintInlining as compiler directive doesn't print virtual calls |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib |
| * |
| * @run driver compiler.inlining.PrintInlining |
| */ |
| |
| package compiler.inlining; |
| |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.process.ProcessTools; |
| |
| public class PrintInlining { |
| |
| static void test(String option) throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-XX:+IgnoreUnrecognizedVMOptions", "-showversion", |
| "-server", "-XX:-TieredCompilation", "-Xbatch", "-XX:-UseOnStackReplacement", |
| "-XX:CompileCommand=dontinline,*::bar", |
| "-XX:CompileCommand=compileonly,*::foo", |
| "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", option, |
| Launcher.class.getName()); |
| |
| OutputAnalyzer analyzer = new OutputAnalyzer(pb.start()); |
| |
| analyzer.shouldHaveExitValue(0); |
| |
| // The test is applicable only to C2 (present in Server VM). |
| if (analyzer.getStderr().contains("Server VM")) { |
| analyzer.outputTo(System.out); |
| if (analyzer.asLines().stream() |
| .filter(s -> s.matches(".*A::bar.+virtual call.*")) |
| .count() != 1) { |
| throw new Exception("'" + option + "' didn't print virtual call."); |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| test("-XX:+PrintInlining"); |
| test("-XX:CompileCommand=option,*::foo,PrintInlining"); |
| } |
| |
| static class A { |
| void bar() {} |
| } |
| |
| static class B extends A { |
| void bar() {} |
| } |
| |
| static class C extends A { |
| void bar() {} |
| } |
| |
| static class D extends A { |
| void bar() {} |
| } |
| |
| static void foo(A a) { |
| a.bar(); |
| } |
| |
| static class Launcher { |
| public static void main(String[] args) throws Exception { |
| A[] as = { new B(), new C(), new D() }; |
| for (int i = 0; i < 20_000; i++) { |
| foo(as[i % 3]); |
| } |
| } |
| } |
| } |