[PATCH] D154738: [SLP]Introduce isLegalVectorOp to check if the vector instruction is going to be scalarized.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Yes, I'm happy to investigate this - it crosses over with another issue we're starting to hit that we need better methods to compare VF * scalar_cost vs vector_cost for cases where the throughput costs are below 1.0 (but clamped to 1)

How dependent are you other patches on getting this patch in?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D154738/new/

https://reviews.llvm.org/D154738