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1 /* |
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2 * Copyright (c) 2020, Huawei Technologies Co. Ltd. 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 8244407 |
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27 * @summary JVM crashes after transformation in C2 IdealLoopTree::split_fall_in |
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28 * |
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29 * @run main/othervm -Xcomp -XX:-BackgroundCompilation |
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30 * -XX:CompileCommand=compileonly,compiler.loopopts.TestBeautifyLoops_2::testMethod |
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31 * compiler.loopopts.TestBeautifyLoops_2 |
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32 */ |
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33 |
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34 package compiler.loopopts; |
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35 |
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36 public class TestBeautifyLoops_2 { |
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37 |
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38 private class X { |
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39 public int x() { |
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40 return -1; |
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41 } |
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42 } |
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43 |
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44 private int mI = 0; |
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45 private float mF = 0; |
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46 private boolean mZ = false; |
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47 private X mX = new X(); |
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48 private long[] mArray = new long[331]; |
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49 |
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50 private void testMethod() { |
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51 double d = 0; |
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52 |
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53 for (int i = 0; i < 331; i++) { |
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54 if (mZ) { |
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55 continue; |
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56 } |
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57 |
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58 try { |
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59 for (int j = mArray.length - 1; j >= 0; j--) { |
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60 for (int k = 0; k < 331; k++) { |
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61 d += ((double) new Double(d)); |
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62 switch (267) { |
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63 case 256: |
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64 default: { |
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65 mF += (mX.x()); |
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66 break; |
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67 } |
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68 } |
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69 } |
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70 } |
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71 } catch (Exception ignore) { |
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72 } |
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73 } |
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74 } |
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75 |
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76 public static void main(String[] args) { |
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77 TestBeautifyLoops_2 obj = new TestBeautifyLoops_2(); |
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78 obj.testMethod(); |
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79 } |
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80 |
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81 } |