73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
/*
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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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/*
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* @test
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* @bug 8268360
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* @summary Test node placement when its use is inside infinite loop.
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* @library /test/lib
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* @run main/othervm -XX:CompileCommand=compileonly,compiler.loopopts.TestInfLoopNearUsePlacement::test
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* compiler.loopopts.TestInfLoopNearUsePlacement
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*/
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package compiler.loopopts;
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import jdk.test.lib.Utils;
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public class TestInfLoopNearUsePlacement {
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static void test() {
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long loa[] = new long[42];
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try {
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for (int i = 0; i < 42; i++) {
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Thread.sleep(1);
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loa[i] = 42L;
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}
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} catch (InterruptedException e) {}
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loa[0] = 1L;
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// Infinite loop: loop's variable is reset on each iteration
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for (int i = 0; i < 21; i++) {
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loa[0] += 1L;
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i = 1;
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}
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}
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public static void main(String[] args) throws Exception {
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// Execute test in own thread because it contains an infinite loop
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Thread thread = new Thread() {
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public void run() {
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for (int i = 0; i < 100; ++i) {
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test();
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}
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}
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};
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thread.setDaemon(true);
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thread.start();
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// Give thread some time to trigger compilation
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Thread.sleep(Utils.adjustTimeout(500));
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}
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}
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