// options.
// TODO(jpienaar): Revise the command line option parsing here.
extern llvm::cl::opt<std::string> input_file_name;
extern llvm::cl::opt<std::string> output_file_name;
extern llvm::cl::opt<bool> use_splatted_constant;
extern llvm::cl::opt<bool> input_mlir;
extern llvm::cl::opt<bool> output_mlir;
extern llvm::cl::list<std::string> custom_opdefs;
extern llvm::cl::opt<bool> emit_quant_adaptor_ops;

// output_arrays is specified.
absl::StatusOr<mlir::OwningOpRef<mlir::ModuleOp>> LoadFromGraphdefOrMlirSource(
    const std::string& input_filename, bool input_mlir,
    bool use_splatted_constant, const std::vector<std::string>& extra_tf_opdefs,
    const GraphImportConfig& specs, absl::string_view debug_info_file,
    absl::string_view input_arrays, absl::string_view input_dtypes,

opt<std::string> output_file_name("o", llvm::cl::desc("<output file>"),
                                  llvm::cl::value_desc("filename"),
                                  llvm::cl::init("-"));
// NOLINTNEXTLINE
opt<bool> use_splatted_constant(
    "use-splatted-constant",
    llvm::cl::desc(
        "Replace constants with randomly generated splatted tensors"),
    llvm::cl::init(false), llvm::cl::Hidden);
// NOLINTNEXTLINE
opt<bool> input_mlir(