[PATCH] D35192: [ARM] Use ADDCARRY / SUBCARRY

[Roger Ferrer Ibanez via Phabricator via llvm-commits]

rogfer01 updated this revision to Diff 107301.
rogfer01 marked an inline comment as done.
rogfer01 edited the summary of this revision.
rogfer01 added a comment.

ChangeLog:

- Use `ISD::SUB` instead of `ARMISD::SUBC` when inverting the borrow / carry.
- Due to the above, remove now unnecessary target-specific combiner.


https://reviews.llvm.org/D35192

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

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