caa0854da8
this lets the backend implement bounded loads (i.e. robust SSBOs) in a way that's more clever than a full branch. similar idea to load_global_constant_bound which should eventually be merged into this. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Job Noorman <job@noorman.info> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35720>