From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1870f3face71..6fe2aee9e646  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 6fe2aee9e646 [HLSL][DXIL][SPIRV] WavePrefixProduct intrinsic support (#179423)