libc_simplify.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 LibCSimplifyPass final : public Pass {
public:
  static const char *kPassID;
 
  LibCSimplifyPass(PassManager *passManager) : Pass(passManager) {}
 
  bool Run(Prog &prog) override;
 
  const char *GetPassName() const override;
 
private:
  void Simplify(
      Global *g,
      std::optional<Inst *> (LibCSimplifyPass::*f)(CallSite &)
  );
  std::optional<Inst *> SimplifyFree(CallSite &call);
  std::optional<Inst *> SimplifyStrlen(CallSite &call);
};