[llvm] [VectorCombine] foldShuffleChainsToReduce - add FADD/FMUL handling (PR #201302)

[Rajveer Singh Bharadwaj via llvm-commits]

https://github.com/Rajveer100 approved this pull request.

LGTM, but wait if @RKSimon has any further comments.

Thanks!

https://github.com/llvm/llvm-project/pull/201302