[llvm] [ThinLTO] Reduce the number of renaming due to promotions in distribu… (PR #188074)

[Teresa Johnson via llvm-commits]

teresajohnson wrote:

> ping @teresajohnson Hopefully you can get some chance to comment this pull request. Thanks!

Thanks for the PR. Sorry, I've been swamped with other things but I plan to take a look next week.

https://github.com/llvm/llvm-project/pull/188074