nir: Add explicit task payload atomic intrinsics.
Adds the ability to do atomics for task payload variables.
The backend implementation of payload atomics are not included in this MR but will be done as follow-up.
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.
Adds the ability to do atomics for task payload variables.
The backend implementation of payload atomics are not included in this MR but will be done as follow-up.