[PATCH] D15702: [AArch64] Optimize some simple TBZ/TBNZ cases.

[Geoff Berry via llvm-commits]

gberry updated this revision to Diff 43474.
gberry added a comment.

Add more tests and handle ashr testing sign bit case.


http://reviews.llvm.org/D15702

Files:
  lib/Target/AArch64/AArch64ISelLowering.cpp
  test/CodeGen/AArch64/tbz-tbnz.ll

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