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annotate test/compiler/7199742/Test7199742.java @ 19299:8e4f683e16d9

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Truffle-DSL: fixed warning
author Christian Humer <christian.humer@gmail.com>
date Wed, 11 Feb 2015 18:10:02 +0100
parents f13867c41f73
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. 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 /**
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26 * @test
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27 * @bug 7199742
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28 * @summary A lot of C2 OSR compilations of the same method's bci
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29 *
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30 * @run main/othervm -Xmx32m -Xbatch Test7199742
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31 */
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32
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33 public class Test7199742 {
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34 private static final int ITERS = 10000000;
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35 public static void main(String args[]) {
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36 Test7199742 t = new Test7199742();
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37 for (int i=0; i<10; i++) {
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38 test(t, 7);
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39 }
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40 }
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41 static Test7199742 test(Test7199742 t, int m) {
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42 int i = -(ITERS/2);
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43 if (i == 0) return null;
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44 Test7199742 v = null;
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45 while(i < ITERS) {
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46 if ((i&m) == 0) {
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47 v = t;
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48 }
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49 i++;
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50 }
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51 return v;
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52 }
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53 }
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54