return fused_func_op_.emitError()
           << "Invalid function attribute, expected " << kTFImplements
           << " attribute "
              "not found";
  }

  // TODO(ashwinm, b/144775479): Make these NamedAttribute on TF import
  // once tf.function can support this.
  llvm::SmallVector<llvm::StringRef, 4> attr_tokens;
  attr.getValue().split(attr_tokens, ",");
  if (attr_tokens.empty()) {
    return fused_func_op_.emitError()