[PATCH] D93860: [SLP] delete unused pairwise reduction option

[Pengfei Wang via Phabricator via llvm-commits]

pengfei added a comment.

Hi Sanjay, pairwise reduction seems not adopted by any targets. But do we need to consider the FMF here? I found LangRef says the intrinsic is sequential for fadd and fmul if `reassoc` flag is not set.


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  https://reviews.llvm.org/D93860/new/

https://reviews.llvm.org/D93860