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

[Joel Galenson via Phabricator via llvm-commits]

jgalenson updated this revision to Diff 126604.
jgalenson added a comment.

Now that https://reviews.llvm.org/D35192 has re-landed I need to update this patch.

Note that I added back the use of ARMISD::ADDC, which were were discussing a bit before.


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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