dead_code_eliminationIPA.hpp

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/*
 *
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 *
 *             ***********************************************
 *                              PandA Project
 *                     URL: http://panda.dei.polimi.it
 *                       Politecnico di Milano - DEIB
 *                        System Architectures Group
 *             ***********************************************
 *              Copyright (C) 2004-2024 Politecnico di Milano
 *
 *   This file is part of the PandA framework.
 *
 *   The PandA framework 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 3 of the License, or
 *   (at your option) any later version.
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 *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#ifndef DEAD_CODE_ELIMINATION_IPA_HPP
#define DEAD_CODE_ELIMINATION_IPA_HPP

// include superclass header
#include "application_frontend_flow_step.hpp"

REF_FORWARD_DECL(tree_manager);
struct function_decl;

class dead_code_eliminationIPA : public ApplicationFrontendFlowStep
{
 protected:
   CustomOrderedSet<unsigned int> fun_id_to_restart;
   CustomOrderedSet<unsigned int> fun_id_to_restartParm;

   const CustomUnorderedSet<std::pair<FrontendFlowStepType, FunctionRelationship>>
   ComputeFrontendRelationships(const DesignFlowStep::RelationshipType relationship_type) const override;

   void ComputeRelationships(DesignFlowStepSet& relationships,
                             const DesignFlowStep::RelationshipType relationship_type) override;

   bool signature_opt(const tree_managerRef& TM, function_decl* fd, unsigned int function_id,
                      const CustomOrderedSet<unsigned int>& rFunctions);

 public:
   dead_code_eliminationIPA(const application_managerRef AM, const DesignFlowManagerConstRef dfm,
                            const ParameterConstRef parameters);

   ~dead_code_eliminationIPA() override;

   DesignFlowStep_Status Exec() override;

   bool HasToBeExecuted() const override;
};

#endif