}
  }
  if (info.signature_change) return recreate_caller();
  return success();
}

// Parses an R1 value to `shape` if it is a TF::ConstOp output. Otherwise,
// returns an error.
LogicalResult GetConstShapeValue(Value shape_value,
                                 llvm::SmallVector<int64_t, 8>* shape) {
  auto shape_op = shape_value.getDefiningOp();
  if (!shape_op) return failure();