From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   7b3e77f8d94c..7d0203b39f62  main       -> origin/main
Your branch is behind 'origin/main' by 6 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
Switched to branch 'main'
HEAD is now at 7d0203b39f62 [AMDGPU] Prevent generation of unused SGPR IMPLICIT_DEF assignments (#155241)