ModuleOp module = getOperation();
    if (!HasTfSavedModelSemantics(module)) {
      return;
    }

    auto init_op = GetSessionInitializerOp(module);
    if (init_op == nullptr || init_op.getInitializers().empty()) {
      return;
    }

    SymbolTable symbol_table(module);
    for (auto initializer : init_op.getInitializers()) {
      auto func = symbol_table.lookup<func::FuncOp>(

namespace tensorflow {
namespace internal {

// A SavedModel may store the name of the initialization op to run in the
// in the SignatureDef (v2) or a collection (v1). If an init_op collection
// exists, then the collection must contain exactly one op.
Status GetInitOp(const string& export_dir, const MetaGraphDef& meta_graph_def,
                 string* init_op_name) {

inline constexpr StringRef kTfSavedModelInitializerRestoreType = "restore_op";

// Indicates that the initializer corresponds to the init op.
inline constexpr StringRef kTfSavedModelInitializerInitType = "init_op";

class TensorFlowSavedModelDialect : public Dialect {
 public:
  explicit TensorFlowSavedModelDialect(MLIRContext *context);
  LogicalResult verifyRegionArgAttribute(Operation *op, unsigned region_index,