[PATCH] D130699: [AArch64][DAGCombine] Add pushAndThroughExtractSubvector

Peter Waller via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 28 04:16:08 PDT 2022


peterwaller-arm created this revision.
peterwaller-arm added reviewers: c-rhodes, DavidTruby, dtemirbulatov, paulwalker-arm.
Herald added subscribers: hiraditya, kristof.beyls.
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peterwaller-arm published this revision for review.
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Eliminate an AND by reifying an anyext.

     (and (extract_subvector (anyext v) _) iN_mask)
  => (extract_subvector (zeroext_iN v))

Depends on D130698 <https://reviews.llvm.org/D130698>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130699

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/vector-fcvt.ll

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