[llvm-branch-commits] [clang] [CIR][NFC] Add scaffolding for the CIR dialect and CIROps.td (PR #86080)

[Nathan Lanza via llvm-branch-commits]

lanza wrote:

> LGTM, though it would be nice if @petrhosek or @Ericson2314 could validate the cmake changes (they look sensible to me, but I never know if there's a better way to do things in CMake).

We already did that above. Petr left a comment and it was fixed :p 

https://github.com/llvm/llvm-project/pull/86080