bypass_phi.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"
#include "core/ref.h"
 
class Block;
class Func;
class JumpCondInst;
class CmpInst;
 
 
 
class BypassPhiPass final : public Pass {
public:
  static const char *kPassID;
 
  BypassPhiPass(PassManager *passManager) : Pass(passManager) {}
 
  bool Run(Prog &prog) override;
 
  const char *GetPassName() const override;
 
private:
  bool BypassPhiCmp(Block &block);
  bool Bypass(
    JumpCondInst &jcc,
    CmpInst &cmp,
    Ref<Inst> phiCandidate,
    Ref<Inst> reference,
    Block &block
  );
};