1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/compiler/loopopts/TestStrangeControl.java Tue Aug 20 07:47:13 2019 +0200 1.3 @@ -0,0 +1,49 @@ 1.4 +/* 1.5 + * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +/* 1.29 + * @test 1.30 + * @bug 8228888 1.31 + * @summary Test PhaseIdealLoop::has_local_phi_input() with phi input with non-dominating control. 1.32 + * @compile StrangeControl.jasm 1.33 + * @run main/othervm -Xbatch -XX:CompileCommand=inline,compiler.loopopts.StrangeControl::test 1.34 + * compiler.loopopts.TestStrangeControl 1.35 + */ 1.36 + 1.37 +package compiler.loopopts; 1.38 + 1.39 +public class TestStrangeControl { 1.40 + 1.41 + public static void main(String[] args) throws Exception { 1.42 + Thread thread = new Thread() { 1.43 + public void run() { 1.44 + // Run this in an own thread because it's basically an endless loop 1.45 + StrangeControl.test(42); 1.46 + } 1.47 + }; 1.48 + thread.start(); 1.49 + // Give thread executing strange control loop enough time to trigger OSR compilation 1.50 + Thread.sleep(4000); 1.51 + } 1.52 +}