[llvm] [LLVM-Reduce] - Distinct Metadata Reduction (PR #96072)

[Michal Paszkowski via llvm-commits]

https://github.com/michalpaszkowski approved this pull request.

Thank you! I think the change looks good to me! One last small ask, please update the files which are missing new lines at the end. I think for .ll files this is a good practice to add a new line, but for Python files missing a new line is a PEP8 error.

https://github.com/llvm/llvm-project/pull/96072