inliner.h

// This file if part of the llir-opt project.
// Licensing information can be found in the LICENSE file.
// (C) 2018 Nandor Licker. All rights reserved.
 
#pragma once
 
#include "core/pass.h"
 
class Func;
class CallSite;
 
 
 
class InlinerPass final : public Pass {
public:
  static const char *kPassID;
 
  InlinerPass(PassManager *passManager) : Pass(passManager) {}
 
  bool Run(Prog &prog) override;
 
  const char *GetPassName() const override;
 
private:
  std::pair<unsigned, unsigned> CountUses(const Func &func);
  bool CheckGlobalCost(const Func &caller, const Func &callee);
  bool CheckInitCost(const Func &caller, const Func &callee);
 
private:
  std::unordered_map<const Func *, std::pair<unsigned, unsigned>> counts_;
};