74618ccbca
If you don't have HW to do bfi, then lowering bitfieldInsert to bfi makes things harder than keeping the "bits" argument around. This still uses bfm, but I've added the obvious lowering of bfm if you need it. Reviewed-by: Matt Turner <mattst88@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>