[PATCH] D35635: Optimize {s,u}{add,sub}.with.overflow on ARM

[Joel Galenson via Phabricator via llvm-commits]

jgalenson updated this revision to Diff 112190.
jgalenson added a reviewer: efriedma.
jgalenson added a comment.

Now that the setBooleanContents patch has landed, I can remove the AND checks here.

I also added the same optimization to BRCOND, which allows it to optimize another case.


https://reviews.llvm.org/D35635

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  test/CodeGen/ARM/su-addsub-overflow.ll

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