https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/llvm-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang-tools-extra-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/compiler-rt-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/flang-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/lldb-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/openmp-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/polly-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/libcxx-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/libcxxabi-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/lld-12.0.0.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/libunwind-12.0.0.src.tar.xz

#http://llvm.org/releases/12.0.0/llvm-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/clang-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/clang-tools-extra-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/compiler-rt-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/flang-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/lldb-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/openmp-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/polly-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/libcxx-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/libcxxabi-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/lld-12.0.0.src.tar.xz
#http://llvm.org/releases/12.0.0/libunwind-12.0.0.src.tar.xz