nir: Add nir_opt_load_store_update_alignments.
Based on nir_opt_load_store_vectorize
but just updates the alignments of various intrinsics that can have alignment info.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Based on nir_opt_load_store_vectorize
but just updates the alignments of various intrinsics that can have alignment info.