Lone_Wolf [1] filed a deletion request for llvm-polly-svn [2]: out-of-date and not updated. Users that want llvm with polly support can switch to https://aur.archlinux.org/packages/llvm-git/ [1] https://aur.archlinux.org/account/Lone_Wolf/ [2] https://aur.archlinux.org/pkgbase/llvm-polly-svn/