[PATCH] D33391: [DAGCombine] fold (add/uaddo (xor a, -1), 1) -> (sub 0, a)

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix abandoned this revision.
deadalnix added a comment.

OK I was able to dig more. Something is screwed up with my test case. This is indeed not doing the right thing with the carry.


https://reviews.llvm.org/D33391