aba8b6675a
We need to make get it updated after we may have nir_instr_remove()d an instruction, and when we cross blocks. This didn't really matter before because the only builder usage was idiv, which other users of lower_int_to_float were probably never hitting. Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Reviewed-by: Adam Jackson <ajax@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11329>