There are repositories for maintenance of LLVM for the Hurd's needs:
grubber:~tschwinge/tmp/llvm/git
, grubber:~tschwinge/tmp/llvm/clang/git
,
grubber:~tschwinge/tmp/llvm/compiler-rt/git
,
grubber:~tschwinge/tmp/llvm/test-suite/git
.
These repositories are based on the upstream Git mirror repositories.