Clang-cl is a driver for clang+llvm made for compatibility with cl.exe. It uses the llvm backend. Unless Daniel is using something special, he is incorrect. I

Clang-cl is a driver for clang+llvm made for compatibility with cl.exe. It uses the llvm backend. Unless Daniel is using something special, he is incorrect. It is not the vs backend. Microsoft did have a clang frontend + c2 backend project, but I thought they deprecated it.