[PATCH] D30781: [ValueTracking] Out of range shifts might be undef

[James Molloy via Phabricator via llvm-commits]

jmolloy accepted this revision.
jmolloy added a comment.
This revision is now accepted and ready to land.

Took a bit of staring to convince myself it was right, but LGTM.


Repository:
  rL LLVM

https://reviews.llvm.org/D30781