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annotate test/compiler/loopopts/TestCountedLoopSafepointBackedge.java @ 24225:a2dbb6fcc923

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Added tag jvmci-0.33 for changeset 3aed4cb813f4
author Doug Simon <doug.simon@oracle.com>
date Fri, 18 Aug 2017 22:47:33 +0200
parents 5b3cb4fbdbc7
children
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1 /*
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2 * Copyright (c) 2016, Red Hat, Inc. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /**
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25 * @test
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26 * @bug 8161147
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27 * @summary Safepoint on backedge breaks UseCountedLoopSafepoints
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28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:+UseCountedLoopSafepoints TestCountedLoopSafepointBackedge
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29 *
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30 */
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31
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32 public class TestCountedLoopSafepointBackedge {
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33 static void test(int[] arr, int inc) {
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34 int i = 0;
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35 for (;;) {
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36 for (int j = 0; j < 10; j++);
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37 arr[i] = i;
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38 i++;
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39 if (i >= 100) {
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40 break;
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41 }
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42 for (int j = 0; j < 10; j++);
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43 }
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44 }
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45
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46 static public void main(String[] args) {
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47 int[] arr = new int[100];
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48 for (int i = 0; i < 20000; i++) {
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49 test(arr, 1);
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50 }
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51 }
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52 }