if (!quantization_method.has_static_range_ptq()) {
      return failure();
    }
    const auto op_iterator_range = entry_func_op.getOps<SingularOpT>();
    if (op_iterator_range.empty()) {
      LLVM_DEBUG(llvm::dbgs() << "Function does not have "
                              << SingularOpT::getOperationName() << " op.\n");
      return failure();
    }