add-forks.hpp

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/*
 * Copyright 2021 David Metz <david.c.metz@ntnu.no>
 * See COPYING for terms of redistribution.
 */
 
#ifndef JLM_HLS_BACKEND_RVSDG2RHLS_ADD_FORKS_HPP
#define JLM_HLS_BACKEND_RVSDG2RHLS_ADD_FORKS_HPP
 
#include <jlm/llvm/ir/RvsdgModule.hpp>
#include <jlm/rvsdg/region.hpp>
#include <jlm/rvsdg/Transformation.hpp>
 
namespace jlm::hls
{
 
class ForkInsertion final : public rvsdg::Transformation
{
public:
  ~ForkInsertion() noexcept override;
 
  ForkInsertion()
      : Transformation("ForkInsertion")
  {}
 
  void
  Run(rvsdg::RvsdgModule & module, util::StatisticsCollector & statisticsCollector) override;
 
  static void
  CreateAndRun(rvsdg::RvsdgModule & module, util::StatisticsCollector & statisticsCollector);
 
private:
  static void
  AddForksToRegion(rvsdg::Region & region);
 
  static void
  AddForkToOutput(rvsdg::Output & output);
 
  [[nodiscard]] static bool
  IsConstantFork(const rvsdg::Output & output);
};
 
}
#endif // JLM_HLS_BACKEND_RVSDG2RHLS_ADD_FORKS_HPP