[PATCH] D29521: Add ADDC to SelectionDAG::computeKnownBits and ComputeNumSignBits.

[Davide Italiano via Phabricator via llvm-commits]

davide added a comment.

In https://reviews.llvm.org/D29521#667167, @deadalnix wrote:

> I asked myself the same question. Not sure how I'd test this.


Probably you can mimic the tests for add (if any?)


https://reviews.llvm.org/D29521