[llvm] [TTI][LV] Change the prototype of preferInLoopReduction. nfc (PR #132698)

[Luke Lau via llvm-commits]

https://github.com/lukel97 approved this pull request.

LGTM, I can confirm I had to do this when integrating #131830 afterwards.

https://github.com/llvm/llvm-project/pull/132698