[PATCH] D37348: Tighten conditions for converting ISD::CTTZ_ZERO_UNDEF to ISD::CTTZ

[Brian Sumner via Phabricator via llvm-commits]

b-sumner added a comment.

I think the actual problem is the implementation of ISD::CTTZ not using v_ffbl and not this transformation.


Repository:
  rL LLVM

https://reviews.llvm.org/D37348