/* * Copyright Amazon.com Inc. 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 8033441 * @summary Test to ensure that line numbers are now present with the -XX:+PrintOptoAssembly command line option * * @requires vm.compiler2.enabled & vm.debug == true * * @library /compiler/patches /test/lib * @run main/othervm compiler.arguments.TestPrintOptoAssemblyLineNumbers */ package compiler.arguments; import jdk.test.lib.Asserts; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; public class TestPrintOptoAssemblyLineNumbers { public static void main(String[] args) throws Throwable { // create subprocess to run some code with -XX:+PrintOptoAssembly enabled String[] procArgs = new String[]{ "-XX:+UnlockDiagnosticVMOptions", "-XX:-TieredCompilation", "-XX:+PrintOptoAssembly", "compiler.arguments.TestPrintOptoAssemblyLineNumbers$CheckC2OptoAssembly" }; ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(procArgs); String output = new OutputAnalyzer(pb.start()).getOutput(); if(output.contains("TestPrintOptoAssemblyLineNumbers$CheckC2OptoAssembly::main @ bci:11")){ // if C2 optimizer invoked ensure output includes line numbers: Asserts.assertTrue(output.contains("TestPrintOptoAssemblyLineNumbers$CheckC2OptoAssembly::main @ bci:11 (line 68)")); } } public static class CheckC2OptoAssembly{ // contents of this class serves to just invoke C2 public static boolean foo(String arg){ return arg.contains("45"); } public static void main(String[] args){ int count = 0; for(int x = 0; x < 200_000; x++){ if(foo("something" + x)){ // <- test expects this line of code to be on line 68 count += 1; } } System.out.println("count: " + count); } } }