[PATCH] D75799: [JumpThreading] Don't create PHI nodes with "is.constant" values

[Bill Wendling via Phabricator via llvm-commits]

void added a comment.

@kazu and @MaskRay I modified this to just add the "convergent" attribute to is.constant. It seems to be just fine for it. PTAL.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75799/new/

https://reviews.llvm.org/D75799