[PATCH] D22601: [SCCP] Mark constant xor %blah, %blah even if the lattice value is overdefined

[Davide Italiano via llvm-commits]

davide added a comment.

In https://reviews.llvm.org/D22601#490428, @escha wrote:

> This would work with 'sub' too, right?


Probably. I'll fix  that if we agree this transform is actually valid.


https://reviews.llvm.org/D22601