[PATCH] D118595: [AArch64][DAGCombine] Add combine for negation of CSEL absolute value pattern.

[Sunho Kim via Phabricator via llvm-commits]

sunho created this revision.
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Fixes https://github.com/llvm/llvm-project/issues/51558.

The changes were ported from https://reviews.llvm.org/D111858 with some differences specific to aarch64 backend.


https://reviews.llvm.org/D118595

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/aarch64-nabs.ll

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