I followed planet.freedesktop.org around the time that Gallium3D was being developed, so I knew that LLVM was being used inside Mesa. However, the only time I actually noticed it was when I hit <a href="https:&#x2F;&#x2F;github.com&#x2F;NixOS&#x2F;nixpkgs&#x2F;issues&#x2F;11467" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;NixOS&#x2F;nixpkgs&#x2F;issues&#x2F;11467</a> last week