[PATCH] D32605: Recognize CTLZ builtin

[Renato Golin via Phabricator via llvm-commits]

rengolin added a comment.

In https://reviews.llvm.org/D32605#740041, @evstupac wrote:

> Guarding is easier. Let's do this only if someone complains about performance.


You mean guarding with TTI callback, right?


Repository:
  rL LLVM

https://reviews.llvm.org/D32605