Mercurial > hg > truffle
view graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/DefaultProfilingInfo.java @ 9012:2979aaac95af
assumptions: enable NoFinalizableSubclass assumption
author | Bernhard Urban <bernhard.urban@jku.at> |
---|---|
date | Thu, 11 Apr 2013 22:38:53 +0200 |
parents | 5407d1dd6450 |
children | c76b43ed5089 |
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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.graal.api.meta; /** * An implementation of {@link ProfilingInfo} that can used in the absence of real profile * information. */ public final class DefaultProfilingInfo implements ProfilingInfo { private static final ProfilingInfo[] NO_PROFILING_INFO = new ProfilingInfo[]{new DefaultProfilingInfo(TriState.TRUE), new DefaultProfilingInfo(TriState.FALSE), new DefaultProfilingInfo(TriState.UNKNOWN)}; private final TriState exceptionSeen; DefaultProfilingInfo(TriState exceptionSeen) { this.exceptionSeen = exceptionSeen; } @Override public int getCodeSize() { 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 TriState getExceptionSeen(int bci) { return exceptionSeen; } @Override public TriState getNullSeen(int bci) { return TriState.UNKNOWN; } @Override public int getExecutionCount(int bci) { return -1; } public static ProfilingInfo get(TriState exceptionSeen) { return NO_PROFILING_INFO[exceptionSeen.ordinal()]; } @Override public int getDeoptimizationCount(DeoptimizationReason reason) { return 0; } @Override public String toString() { return "BaseProfilingInfo<" + MetaUtil.profileToString(this, null, "; ") + ">"; } }