nir/lower_subgroups: Handle down-casts in uint_to_ballot_type
This is required for Zink where the API ballot type is a uint64_t and the "hardware" ballot type is uvec4.
Reviewed-By: Mike Blumenkrantz michael.blumenkrantz@gmail.com
This is required for Zink where the API ballot type is a uint64_t and the "hardware" ballot type is uvec4.
Reviewed-By: Mike Blumenkrantz michael.blumenkrantz@gmail.com