[PATCH] D79652: [X86] Remove the v16i8->v16i16 path for MULHS with AVX2.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 263038.
craig.topper added a comment.

Rebase after the punpck false dependency fix


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79652/new/

https://reviews.llvm.org/D79652

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/vec_smulo.ll
  llvm/test/CodeGen/X86/vector-idiv-sdiv-256.ll
  llvm/test/CodeGen/X86/vector-idiv-sdiv-512.ll

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