return llvm::to_vector<4>(extern_values);
}

// Copies over optional attributes from source region op `src` to the given
// functional op `dst` and appropriately overrides any necessary attributes.
void CopyAndOverrideAttributes(Operation* src, Operation* dst,
                               OpBuilder* builder) {
  CopyDeviceAndUnderscoredAttributes(src, dst);

  // Explicitly override attribute to propagate constants to the functions