This repo contains lldb r147097 with additional FreeBSD and Linux patches. Details on the lldb debugger can be found on the lldb web site.
Checkout:
% svn co -r146622 http://llvm.org/svn/llvm-project/llvm/trunk llvm
% svn co -r146622 http://llvm.org/svn/llvm-project/cfe/trunk llvm/tools/clang
% git clone git@github.com:fbsd/lldb.git llvm/tools/lldbBuild:
% cd llvm
% ./configure
% gmake