Otherwise, these can cause infinite loops in optimization because there
aren't _split variants and the optimizer tries to combine and split
things infinitely.
Reviewed-by: Mel Henning <drawoc@darkrefraction.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34849>
(cherry picked from commit efd1cddbe90f4af26716adfb6a6cc12eca1d71b3)
349c1e2cf4