uset_affine_hull: ignore directions in affine hull of recession cone
uset_affine_hull: ignore directions in affine hull of recession cone

jleben/isl,UBERTC/isl,cfx-next/toolchain_isl-upstream,BenzoSM/isl,SaberMod/isl-current,evaautomation/isl,crossbuild/isl,Distrotech/isl,crossbuild/isl,cfx-next/toolchain_isl-upstream,KangDroidSMProject/ISL,epowers/isl,inducer/isl-mirror,simbuerg/isl,abduld/isl,inducer/isl-mirror,pierrotdelalune/isl,abduld/isl,SaberMod/isl-current,BobSaget-Mod/libisl,BobSaget-Mod/libisl,nicolasvasilache/isl,inducer/isl-mirror,BenzoSM/isl,Meinersbur/isl,BenzoSM/isl,nicolasvasilache/isl,serge-sans-paille/isl,simbuerg/isl,PollyLabs/isl,evaautomation/isl,jleben/isl,epowers/isl,VanirLLVM/toolchain_isl,nicolasvasilache/isl,tobig/isl,pierrotdelalune/isl,UBERTC/isl,evaautomation/isl,SaberMod/isl-current,Distrotech/isl,epowers/isl,VanirLLVM/toolchain_isl,serge-sans-paille/isl,PollyLabs/isl,KangDroidSMProject/ISL,tobig/isl,evaautomation/isl,jleben/isl,inducer/isl-mirror,crossbuild/isl,VanirLLVM/toolchain_isl,Distrotech/isl,epowers/isl,serge-sans-paille/isl,Meinersbur/isl,PollyLabs/isl,BenzoSM/isl,simbuerg/isl,Distrotech/isl,SaberMod/isl-current,pierrotdelalune/isl,KangDroidSMProject/ISL,tobig/isl,crossbuild/isl,PollyLabs/isl,BenzoSM/isl,simbuerg/isl,BobSaget-Mod/libisl,simbuerg/isl,jleben/isl,serge-sans-paille/isl,BobSaget-Mod/libisl,cfx-next/toolchain_isl-upstream,jleben/isl,KangDroidSMProject/ISL,pierrotdelalune/isl,nicolasvasilache/isl,cfx-next/toolchain_isl-upstream,VanirLLVM/toolchain_isl,Distrotech/isl,nicolasvasilache/isl,PollyLabs/isl,tobig/isl,VanirLLVM/toolchain_isl,serge-sans-paille/isl,KangDroidSMProject/ISL,abduld/isl,Meinersbur/isl,UBERTC/isl,UBERTC/isl,inducer/isl-mirror,Meinersbur/isl,pierrotdelalune/isl,BobSaget-Mod/libisl,epowers/isl,cfx-next/toolchain_isl-upstream,abduld/isl