From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   67198d1997cf..b4d7d3f745aa  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at b4d7d3f745aa [mlir][NVVM] Add nvvm.membar operation (#166698)