pull.hpp

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/*
 * Copyright 2017 Nico Reißmann <nico.reissmann@gmail.com>
 * See COPYING for terms of redistribution.
 */
 
#ifndef JLM_LLVM_OPT_PULL_HPP
#define JLM_LLVM_OPT_PULL_HPP
 
#include <jlm/rvsdg/Transformation.hpp>
 
namespace jlm::rvsdg
{
class GammaNode;
class Region;
}
 
namespace jlm::llvm
{
 
class NodeSinking final : public rvsdg::Transformation
{
public:
  class Statistics;
 
  ~NodeSinking() noexcept override;
 
  NodeSinking()
      : Transformation("NodeSinking")
  {}
 
  void
  Run(rvsdg::RvsdgModule & module, util::StatisticsCollector & statisticsCollector) override;
 
  static size_t
  sinkDependentNodesIntoGamma(rvsdg::GammaNode & gammaNode);
 
private:
  static util::HashSet<rvsdg::Node *>
  collectDependentNodes(const rvsdg::Node & node);
 
  static std::vector<rvsdg::Node *>
  sortByDepth(const util::HashSet<rvsdg::Node *> & nodes);
};
 
void
pullin_top(rvsdg::GammaNode * gamma);
 
void
pull(rvsdg::GammaNode * gamma);
 
void
pull(rvsdg::Region * region);
 
}
 
#endif