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annotate test/compiler/6823453/Test.java @ 704:ad8c635e757e

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6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") Summary: Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative. Reviewed-by: never, jrose
author kvn
date Fri, 03 Apr 2009 13:33:32 -0700
parents
children d6b9fd78f389
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright 2009 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
ad8c635e757e 6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
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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 6823453
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28 * @summary DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
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29 * @run main/othervm -Xcomp -XX:CompileOnly=Test -XX:+DeoptimizeALot Test
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30 */
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31
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32 public class Test {
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33
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34 static long vara_1 = 1L;
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35
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36 static void testa() {
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37 short var_2 = (byte) 1.0E10;
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38
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39 for ( Object temp = new byte[(byte)1.0E10]; true ;
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40 var_2 = "1".equals("0") ? ((byte) vara_1) : 1 ) {}
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41 }
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42
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43 static void testb() {
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44 long var_1 = -1L;
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45
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46 short var_2 = (byte) 1.0E10;
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47
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48 for ( Object temp = new byte[(byte)1.0E10]; true ;
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49 var_2 = "1".equals("0") ? ((byte) var_1) : 1 ) {}
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50 }
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51
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52 static void testc() {
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53 long var_1 = -1L;
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54 if (vara_1 > 0) var_1 = 1L;
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55
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56 int var_2 = (byte)var_1 - 128;
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57
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58 for ( Object temp = new byte[var_2]; true ;
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59 var_2 = "1".equals("0") ? 2 : 1 ) {}
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60 }
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61
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62 static void testd() {
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63 long var_1 = 0L;
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64
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65 int var_2 = (byte)var_1 + 1;
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66 for (int i=0; i<2 ; i++) var_2 = var_2 - 1;
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67
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68 for ( Object temp = new byte[var_2]; true ;
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69 var_2 = "1".equals("0") ? 2 : 1 ) {}
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70 }
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71
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72 public static void main(String[] args) throws Exception {
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73 int nex = 0;
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74
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75 try {
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76 testa();
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77 }
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78 catch (java.lang.NegativeArraySizeException ex) { nex++; }
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79 try {
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80 testb();
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81 }
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82 catch (java.lang.NegativeArraySizeException ex) { nex++; }
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83 try {
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84 testc();
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85 }
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86 catch (java.lang.NegativeArraySizeException ex) { nex++; }
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87 try {
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88 testd();
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89 }
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90 catch (java.lang.NegativeArraySizeException ex) { nex++; }
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91
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92 if (nex != 4)
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93 System.exit(97);
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94 }
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95 }
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96