isl_ast_codegen.c: contruct_shifted_executed: use isl_val
isl_ast_codegen.c: contruct_shifted_executed: use isl_val

Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

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