return failure();
  }

  if (Type zero_points_element_type = zero_points_type.getElementType();
      !mlir::isa<IntegerType>(zero_points_element_type)) {
    LLVM_DEBUG(llvm::dbgs() << "Zero point should be an integer type. Got: "
                            << zero_points_element_type << ".\n");
    return failure();
  }

  if (zero_points_type.getNumElements() != 1) {