if (!status->status.ok()) return;

  if (op_reg_data->shape_inference_fn == nullptr) {
    status->status =
        InvalidArgument("No shape inference function exists for op '",
                        node_def.op(), "', did you forget to define it?");
    return;
  }

  status->status = c.Run(op_reg_data->shape_inference_fn);
  if (!status->status.ok()) return;

  // Set output_shapes.

  if (!op_reg_data) {
    DVLOG(1) << "Skipping inference for unregistered op " << node.type_string();
    return default_type();
  }
  if (op_reg_data->shape_inference_fn == nullptr) {
    DVLOG(1) << "Skipping inference for op without shape function "
             << node.type_string();
    return default_type();
  }