80 lines
3.0 KiB
Java
80 lines
3.0 KiB
Java
/*
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* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
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* Copyright (c) 2021, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8033441
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* @summary Test to ensure that line numbers are now present with the -XX:+PrintOptoAssembly command line option
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*
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* @requires vm.flagless
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* @requires vm.compiler2.enabled & vm.debug == true
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*
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* @library /test/lib
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* @run driver compiler.arguments.TestPrintOptoAssemblyLineNumbers
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*/
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package compiler.arguments;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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// THIS TEST IS LINE NUMBER SENSITIVE
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public class TestPrintOptoAssemblyLineNumbers {
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public static void main(String[] args) throws Throwable {
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// create subprocess to run some code with -XX:+PrintOptoAssembly enabled
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String[] procArgs = new String[] {
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:-TieredCompilation",
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"-XX:+PrintOptoAssembly",
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CheckC2OptoAssembly.class.getName()
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};
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(procArgs);
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OutputAnalyzer oa = new OutputAnalyzer(pb.start());
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oa.shouldHaveExitValue(0);
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if (oa.getOutput().contains("TestPrintOptoAssemblyLineNumbers$CheckC2OptoAssembly::main @ bci:11")) {
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// if C2 optimizer invoked ensure output includes line numbers:
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oa.stdoutShouldContain("TestPrintOptoAssemblyLineNumbers$CheckC2OptoAssembly::main @ bci:11 (line 72)");
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}
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}
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public static class CheckC2OptoAssembly { // contents of this class serves to just invoke C2
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public static boolean foo(String arg) {
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return arg.contains("45");
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}
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public static void main(String[] args) {
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int count = 0;
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for (int x = 0; x < 200_000; x++) {
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if (foo("something" + x)) { // <- test expects this line of code to be on line 72
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count += 1;
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}
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}
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System.out.println("count: " + count);
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}
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}
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}
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