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annotate test/compiler/uncommontrap/TraceDeoptimizationNoRealloc.java @ 21463:b1072d72fa2e

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Lower checkcast arraycopy idiom after frame state assignment and convert arraycopy lowering into snippets
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 21 May 2015 22:20:41 -0700
parents 793204f5528a
children
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20706
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1 /*
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2 * Copyright (c) 2014, 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 * @test
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26 * @bug 8067144
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27 * @summary -XX:+TraceDeoptimization tries to print realloc'ed objects even when there are none
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28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:+IgnoreUnrecognizedVMOptions -XX:+TraceDeoptimization TraceDeoptimizationNoRealloc
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29 *
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30 */
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31
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32 public class TraceDeoptimizationNoRealloc {
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33
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34 static void m(boolean some_condition) {
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35 if (some_condition) {
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36 return;
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37 }
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38 }
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39
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40
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41 static public void main(String[] args) {
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42 for (int i = 0; i < 20000; i++) {
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43 m(false);
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44 }
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45 m(true);
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46 }
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47 }