[PATCH] D83971: [X86] Move integer hadd/hsub formation into a helper function shared by combineAdd and combineSub.

[Sanjay Patel via Phabricator via llvm-commits]

spatel accepted this revision.
spatel added a comment.

LGTM; we were already looking at doing this as part of D83789 <https://reviews.llvm.org/D83789>.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D83971