[PATCH] D72740: [SLP] Don't allow Div/Rem as alternate opcodes

[Andrei Elovikov via Phabricator via llvm-commits]

a.elovikov created this revision.
a.elovikov added reviewers: Vasilis, RKSimon.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

We don't have control/verify what will be the RHS of the division, so it might
happen to be zero, causing UB.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D72740

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/no_alternate_divrem.ll

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