Mercurial > hg > truffle
view graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiTypeProfile.java @ 5048:63869930666f
fix for goto's deopt case
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Wed, 07 Mar 2012 11:14:00 -0800 |
parents | f4c82dd4619e |
children | 12c63380e7ff |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.max.cri.ri; import java.io.*; /** * This profile object represents the type profile at a specific BCI. The precision of the supplied values may vary, * but a runtime that provides this information should be aware that it will be used to guide performance-critical * decisions like speculative inlining, etc. */ public final class RiTypeProfile implements Serializable { /** * */ private static final long serialVersionUID = -6877016333706838441L; private final RiResolvedType[] types; private final double notRecordedProbability; private final double[] probabilities; public RiTypeProfile(RiResolvedType[] types, double notRecordedProbability, double[] probabilites) { this.types = types; this.notRecordedProbability = notRecordedProbability; this.probabilities = probabilites; } /** * The estimated probabilities of the different receivers. This array needs to have the same length as the array returned by * {@link RiTypeProfile#types}. */ public double[] getProbabilities() { return probabilities; } /** * Returns the estimated probability of all types that could not be recorded due to profiling limitations. * @return double value >= 0.0 and <= 1.0 */ public double getNotRecordedProbability() { return notRecordedProbability; } /** * A list of receivers for which the runtime has recorded probability information. This array needs to have the same * length as {@link RiTypeProfile#probabilities}. */ public RiResolvedType[] getTypes() { return types; } }