Mercurial > hg > truffle
view graal/com.oracle.max.criutils/src/com/oracle/max/criutils/BaseProfilingInfo.java @ 5563:6a2671066204
added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
added Word type and WordTypeRewriterPhase to support programming against machine word values in snippets without duplicating the code for 32 and 64 bit platforms
added GraphUtil.approxSourceLocation() utility method for getting an approximate source code location for a node
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 11 Jun 2012 15:39:57 +0200 |
parents | b6617d13ea44 |
children | 429accae15aa |
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/* * Copyright (c) 2012, 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.criutils; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; /** * Dummy profiling information in case that a method was not executed frequently enough so that * no profiling information does exist yet, or in case that the profiling information should not be used. */ public final class BaseProfilingInfo implements ProfilingInfo { private static final ProfilingInfo[] NO_PROFILING_INFO = new ProfilingInfo[] { new BaseProfilingInfo(ExceptionSeen.TRUE), new BaseProfilingInfo(ExceptionSeen.FALSE), new BaseProfilingInfo(ExceptionSeen.NOT_SUPPORTED) }; private final ExceptionSeen exceptionSeen; BaseProfilingInfo(ExceptionSeen exceptionSeen) { this.exceptionSeen = exceptionSeen; } @Override public int codeSize() { return 0; } @Override public JavaTypeProfile getTypeProfile(int bci) { return null; } @Override public double getBranchTakenProbability(int bci) { return -1; } @Override public double[] getSwitchProbabilities(int bci) { return null; } @Override public ExceptionSeen getExceptionSeen(int bci) { return exceptionSeen; } @Override public int getExecutionCount(int bci) { return -1; } public static ProfilingInfo get(ExceptionSeen exceptionSeen) { return NO_PROFILING_INFO[exceptionSeen.ordinal()]; } @Override public int getDeoptimizationCount(DeoptimizationReason reason) { return 0; } @Override public String toString() { return "BaseProfilingInfo<" + CodeUtil.profileToString(this, null, "; ") + ">"; } }