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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiTypeProfile.java @ 4456:f4c82dd4619e

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inlining bugfixes and cleanup
author Christian Haeubl <christian.haeubl@oracle.com>
date Tue, 31 Jan 2012 11:37:16 -0800
parents c0430421d43d
children 12c63380e7ff
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1 /*
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2 * Copyright (c) 2011, 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.cri.ri;
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24
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25 import java.io.*;
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26
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27 /**
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28 * This profile object represents the type profile at a specific BCI. The precision of the supplied values may vary,
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29 * but a runtime that provides this information should be aware that it will be used to guide performance-critical
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30 * decisions like speculative inlining, etc.
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31 */
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32 public final class RiTypeProfile implements Serializable {
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33 /**
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34 *
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35 */
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36 private static final long serialVersionUID = -6877016333706838441L;
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37
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38 private final RiResolvedType[] types;
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39 private final double notRecordedProbability;
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40 private final double[] probabilities;
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41
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42 public RiTypeProfile(RiResolvedType[] types, double notRecordedProbability, double[] probabilites) {
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43 this.types = types;
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44 this.notRecordedProbability = notRecordedProbability;
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45 this.probabilities = probabilites;
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46 }
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47
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48 /**
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49 * The estimated probabilities of the different receivers. This array needs to have the same length as the array returned by
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50 * {@link RiTypeProfile#types}.
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51 */
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52 public double[] getProbabilities() {
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53 return probabilities;
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54 }
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56 /**
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57 * Returns the estimated probability of all types that could not be recorded due to profiling limitations.
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58 * @return double value >= 0.0 and <= 1.0
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59 */
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60 public double getNotRecordedProbability() {
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61 return notRecordedProbability;
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62 }
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63
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64 /**
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65 * A list of receivers for which the runtime has recorded probability information. This array needs to have the same
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66 * length as {@link RiTypeProfile#probabilities}.
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67 */
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68 public RiResolvedType[] getTypes() {
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69 return types;
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70 }
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71 }