/// List of ops that should use XlaOpKernel legalization only in the case of
/// prefer_tf2xla. All other ops not in this list should use MLIR legalization
/// only or not be legalized by the new bridge.
bool IsOpTypeAllowedTf2XlaPreferred(const TypeID& type_id) {
  // Use a pointer for the static set, so the set is not destructed upon thread
  // end, which would not be thread safe.
  // clang-format off
  static auto* ops =