HCRGuardAnalysis.hpp

/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] http://openjdk.java.net/legal/assembly-exception.html
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 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
 *******************************************************************************/
#include "optimizer/DataFlowAnalysis.hpp"

namespace TR { class NodeChecklist; }

class TR_HCRGuardAnalysis : public TR_UnionSingleBitContainerAnalysis
   {
   public:

   TR_HCRGuardAnalysis(TR::Compilation *comp, TR::Optimizer *optimizer, TR_Structure *);

   virtual Kind getKind();

   bool traceHCRGuardAnalysis() { return _traceHCRGuardAnalysis; }

   virtual int32_t getNumberOfBits();
   virtual bool supportsGenAndKillSets();
   virtual void initializeGenAndKillSetInfo();
   virtual void analyzeNode(TR::Node *, vcount_t, TR_BlockStructure *, TR_SingleBitContainer *);
   virtual void analyzeTreeTopsInBlockStructure(TR_BlockStructure *);
   virtual bool postInitializationProcessing();
   bool shouldSkipBlock(TR::Block *block);

   private:
   bool _traceHCRGuardAnalysis;
   };