[PATCH] D24747: [AArch64] Improve isel of negate of zext.

[Geoff Berry via llvm-commits]

gberry updated this revision to Diff 72092.
gberry added a comment.

New much simpler version.


https://reviews.llvm.org/D24747

Files:
  lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  lib/Target/AArch64/AArch64ISelLowering.h
  lib/Target/AArch64/AArch64InstrInfo.td
  test/CodeGen/AArch64/addsub_ext.ll

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