[PATCH] D47883: [InstSimplify] shl nuw C, %x -> C iff signbit is set on C.

[Sanjay Patel via Phabricator via llvm-commits]

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

LGTM.

Watch out for seemingly unrelated failures though - any time we get smarter about optimizing using these flags, there's a chance that we will expose bugs in other parts of the optimizer.


Repository:
  rL LLVM

https://reviews.llvm.org/D47883