[PATCH] D103256: [AArch64] Remove SETCC of CSEL when the latter's condition can be inverted

[Bradley Smith via Phabricator via llvm-commits]

bsmith created this revision.
bsmith added reviewers: paulwalker-arm, peterwaller-arm, joechrisellis, david-arm.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
bsmith requested review of this revision.
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  setcc (csel 0, 1, cond, X), 1, ne ==> csel 0, 1, !cond, X

Where X is a condition code setting instruction.

Co-authored-by: Paul Walker <paul.walker at arm.com>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103256

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-setcc.ll

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