[PATCH] D120152: [AArch64][SVE] Match VLS all-1's masks to PTRUE

[Cameron McInally via Phabricator via llvm-commits]

cameron.mcinally created this revision.
cameron.mcinally added reviewers: paulwalker-arm, bsmith, david-arm, efriedma.
Herald added subscribers: psnobl, hiraditya, kristof.beyls, tschuett.
cameron.mcinally requested review of this revision.
Herald added a project: LLVM.
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Here's a patch to match VLS all-1s masks to PTRUE. There were a few places, before and after legalization, that this could be done, but I think SETCC_MERGE_ZERO combines are the best fit.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120152

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-fixed-length-ptrue.ll

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