return "Transform from TF control dialect to TF executor dialect.";
  }

  void runOnFunction(func::FuncOp func,
                     const TF::SideEffectAnalysis::Info& side_effect_analysis);

  void BreakUpIsland(tf_executor::IslandOp island_op,
                     const TF::SideEffectAnalysis::Info& side_effect_analysis,
                     llvm::DenseMap<Operation*, llvm::SmallVector<Value, 4>>*