[PATCH] D137069: [AArch64] Support all extend op pattern for (ExtendNode - Y) + Z --> (Z - Y) + ExtendNode

[chenglin.bi via Phabricator via llvm-commits]

bcl5980 updated this revision to Diff 472845.
bcl5980 retitled this revision from "[AArch64] Support not only SHL but also SRL and SRA for ((X shift C) - Y) + Z --> (Z - Y) + (X shift C)" to "[AArch64] Support all extend op pattern for (ExtendNode - Y) + Z --> (Z - Y) + ExtendNode ".
bcl5980 edited the summary of this revision.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137069/new/

https://reviews.llvm.org/D137069

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/addsub.ll

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