LoopUnroller.h

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/*
 *      LoopUnroller processor interface
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2007, IRIT UPS.
 * 
 *      OTAWA is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      OTAWA 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 for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with OTAWA; if not, write to the Free Software 
 *      Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *      02110-1301  USA
 */
 
#ifndef OTAWA_CFG_LOOPUNROLLER_H_
#define OTAWA_CFG_LOOPUNROLLER_H_

#include <otawa/proc/Processor.h>
#include <otawa/cfg/VirtualCFG.h>
#include <otawa/cfg/CFGCollector.h>
#include <otawa/cfg/VirtualBasicBlock.h>
#include <elm/genstruct/HashTable.h>
#include <otawa/proc/Feature.h>

namespace otawa {

// LoopUnroller class
class LoopUnroller: public Processor {
public:
        static p::declare reg;
        LoopUnroller(p::declare& r = reg);

protected:
        virtual void processWorkSpace(WorkSpace *ws);
        virtual void cleanup(WorkSpace *ws);

private:
        void unroll(otawa::CFG *cfg, BasicBlock *header, VirtualCFG *vcfg);

        elm::genstruct::HashTable<void *, VirtualBasicBlock *> map;             
        CFGCollection *coll;
        int idx;
};

}       // otawa

#endif  // OTAWA_CFG_LOOPUNROLLER_H_