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

[Roger Ferrer Ibanez via Phabricator via llvm-commits]

rogfer01 updated this revision to Diff 106229.
rogfer01 marked 2 inline comments as done.
rogfer01 added a comment.

ChangeLog:

- Fix combiners so they preserve the arity of the result.
- Remove bogus combiner.
- Add new tests for {u,s}{add,sub} overflow for Thumb and Thumb2


https://reviews.llvm.org/D35192

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  test/CodeGen/ARM/intrinsics-overflow.ll
  test/CodeGen/Thumb/intrinsics-overflow.ll
  test/CodeGen/Thumb2/intrinsics-overflow.ll

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