[PATCH] D130700: [AArch64][DAGCombine] Add pushSignExtendThroughExtractSubvector

[Peter Waller via Phabricator via llvm-commits]

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peterwaller-arm updated this revision to Diff 448296.
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Remove commented code.


Eliminate a SIGN_EXTEND_INREG by reifying an anyext.

     (sign_extend_inreg (extract_subvector (anyext v) Idx))
  => (extract_subvector (sign_extend v) Idx)

Depends on D130699 <https://reviews.llvm.org/D130699>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130700

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-fixed-length-masked-gather.ll
  llvm/test/CodeGen/AArch64/sve-fixed-length-masked-loads.ll
  llvm/test/CodeGen/AArch64/sve-fixed-length-masked-scatter.ll
  llvm/test/CodeGen/AArch64/sve-fixed-length-masked-stores.ll
  llvm/test/CodeGen/AArch64/vector-fcvt.ll

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