Mercurial > hg > graal-compiler
annotate test/compiler/codegen/C1NullCheckOfNullStore.java @ 21645:7eb156f30b61
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 01 Jun 2015 22:13:10 +0200 |
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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 8039043 |
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27 * @summary Null check is placed in a wrong place when storing a null to an object field on x64 with compressed oops off |
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28 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CompileCommand=compileonly,C1NullCheckOfNullStore::test -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-UseCompressedOops C1NullCheckOfNullStore |
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29 * |
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30 */ |
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31 |
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32 public class C1NullCheckOfNullStore { |
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33 private static class Foo { |
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34 Object bar; |
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35 } |
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36 static private void test(Foo x) { |
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37 x.bar = null; |
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38 } |
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39 static public void main(String args[]) { |
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40 Foo x = new Foo(); |
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41 for (int i = 0; i < 10000; i++) { |
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42 test(x); |
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43 } |
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44 boolean gotNPE = false; |
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45 try { |
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46 for (int i = 0; i < 10000; i++) { |
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47 test(null); |
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48 } |
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49 } |
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50 catch(NullPointerException e) { |
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51 gotNPE = true; |
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52 } |
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53 if (!gotNPE) { |
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54 throw new Error("Expecting a NullPointerException"); |
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55 } |
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56 } |
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57 } |