[PATCH] D137433: [DAG] Add canonicalization to avoid redundant nots in concat vectors

Benjamin Maxwell via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 11 06:20:27 PST 2022


benmxwl-arm updated this revision to Diff 474739.
benmxwl-arm added a comment.

- Reverted back to an AArch64 combine
- Added some cautious is isOnlyUserOf() checks
- Added a few more direct tests based on spatel's comment


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137433/new/

https://reviews.llvm.org/D137433

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/illegal-floating-point-vector-compares.ll
  llvm/test/CodeGen/AArch64/pull-negations-after-concat-of-truncates.ll

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