Mercurial > hg > graal-compiler
annotate graal/com.oracle.max.criutils/src/com/oracle/max/criutils/BaseProfilingInfo.java @ 5753:f9c9c01969c0
Fixed an issue with the objectStamp(), integerStamp(), and floatStamp() methods.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 03 Jul 2012 11:16:38 +0200 |
parents | b6617d13ea44 |
children | 429accae15aa |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, 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 package com.oracle.max.criutils; |
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24 |
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25 import com.oracle.graal.api.code.*; |
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26 import com.oracle.graal.api.meta.*; |
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27 |
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28 |
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29 /** |
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30 * Dummy profiling information in case that a method was not executed frequently enough so that |
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31 * no profiling information does exist yet, or in case that the profiling information should not be used. |
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32 */ |
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33 public final class BaseProfilingInfo implements ProfilingInfo { |
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34 private static final ProfilingInfo[] NO_PROFILING_INFO = new ProfilingInfo[] { |
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35 new BaseProfilingInfo(ExceptionSeen.TRUE), |
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36 new BaseProfilingInfo(ExceptionSeen.FALSE), |
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37 new BaseProfilingInfo(ExceptionSeen.NOT_SUPPORTED) |
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38 }; |
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39 |
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40 private final ExceptionSeen exceptionSeen; |
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41 |
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42 BaseProfilingInfo(ExceptionSeen exceptionSeen) { |
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43 this.exceptionSeen = exceptionSeen; |
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44 } |
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45 |
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46 @Override |
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47 public int codeSize() { |
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48 return 0; |
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49 } |
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50 |
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51 @Override |
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52 public JavaTypeProfile getTypeProfile(int bci) { |
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53 return null; |
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54 } |
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55 |
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56 @Override |
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57 public double getBranchTakenProbability(int bci) { |
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58 return -1; |
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59 } |
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60 |
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61 @Override |
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62 public double[] getSwitchProbabilities(int bci) { |
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63 return null; |
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64 } |
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65 |
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66 @Override |
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67 public ExceptionSeen getExceptionSeen(int bci) { |
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68 return exceptionSeen; |
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69 } |
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70 |
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71 @Override |
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72 public int getExecutionCount(int bci) { |
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73 return -1; |
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74 } |
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75 |
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76 public static ProfilingInfo get(ExceptionSeen exceptionSeen) { |
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77 return NO_PROFILING_INFO[exceptionSeen.ordinal()]; |
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78 } |
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79 |
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80 @Override |
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81 public int getDeoptimizationCount(DeoptimizationReason reason) { |
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82 return 0; |
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83 } |
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84 |
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85 @Override |
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86 public String toString() { |
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87 return "BaseProfilingInfo<" + CodeUtil.profileToString(this, null, "; ") + ">"; |
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88 } |
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89 } |