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annotate test/compiler/6775880/Test.java @ 460:424f9bfe6b96

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6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now") Summary: Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated. Reviewed-by: never
author kvn
date Wed, 03 Dec 2008 13:41:37 -0800
parents
children 323728917cf4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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424f9bfe6b96 6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
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1 /*
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2 * Copyright 2008 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any 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 6775880
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28 * @summary EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
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29 * @compile -source 1.4 -target 1.4 Test.java
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30 * @run main/othervm -server -Xbatch -XX:+DoEscapeAnalysis -XX:+DeoptimizeALot -XX:CompileCommand=exclude,java.lang.AbstractStringBuilder::append Test
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31 */
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32
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33 public class Test {
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34
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35 int cnt;
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36 int b[];
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37 String s;
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38
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39 String test() {
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40 String res="";
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41 for (int i=0; i < cnt; i++) {
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42 if (i != 0) {
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43 res = res +".";
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44 }
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45 res = res + b[i];
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46 }
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47 return res;
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48 }
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49
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50 public static void main(String[] args) {
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51 Test t = new Test();
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52 t.cnt = 3;
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53 t.b = new int[3];
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54 t.b[0] = 0;
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55 t.b[1] = 1;
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56 t.b[2] = 2;
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57 int j=0;
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58 t.s = "";
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59 for (int i=0; i<10001; i++) {
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60 t.s = "c";
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61 t.s = t.test();
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62 }
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63 System.out.println("After s=" + t.s);
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64 }
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65 }
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66
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67