[PATCH] D125987: [SLP] Account for cost of removing FMA opportunities

[Bill Schmidt via Phabricator via llvm-commits]

wjschmidt updated this revision to Diff 436946.
wjschmidt retitled this revision from "[SLP] Account for cost of removing FMA opportunities by horizontal reduction" to "[SLP] Account for cost of removing FMA opportunities".
wjschmidt added a comment.

Rebased; fixed pasto in getFMACostSavings(); ensured that getFMACostSavings() returns nonnegative values; and made a slight simplification in adjustForFMAs().  Thanks!


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125987/new/

https://reviews.llvm.org/D125987

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/slp-fma-loss.ll

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