IOStateElimination.hpp

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/*
 * Copyright 2025 Nico Reißmann <nico.reissmann@gmail.com>
 * See COPYING for terms of redistribution.
 */
 
#ifndef JLM_HLS_OPT_IOSTATEELIMINATION_HPP
#define JLM_HLS_OPT_IOSTATEELIMINATION_HPP
 
#include <jlm/rvsdg/Transformation.hpp>
 
namespace jlm::rvsdg
{
class Output;
class Region;
}
 
namespace jlm::hls
{
 
class IOStateElimination final : public rvsdg::Transformation
{
public:
  ~IOStateElimination() noexcept override;
 
  IOStateElimination()
      : Transformation("IOStateElimination")
  {}
 
  IOStateElimination(const IOStateElimination &) = delete;
 
  IOStateElimination &
  operator=(const IOStateElimination &) = delete;
 
  void
  Run(rvsdg::RvsdgModule & module, util::StatisticsCollector & statisticsCollector) override;
 
private:
  static void
  eliminateIOStates(rvsdg::Region & region, rvsdg::Output & ioStateArgument);
};
 
}
 
#endif