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annotate graal/com.oracle.max.criutils/src/com/oracle/max/criutils/BaseProfilingInfo.java @ 5541:b4c406861c33

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More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 09 Jun 2012 16:52:12 +0200
parents 426c605c9d3c
children b6617d13ea44
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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<" + CiUtil.profileToString(this, null, "; ") + ">";
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88 }
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89 }