[PATCH] D32605: Recognize CTLZ builtin

[Evgeny Stupachenko via Phabricator via llvm-commits]

evstupac added a comment.

Regarding performance. Almost all benchmark are build same.
Some image benchmarks that uses Huffman algorithm get good improve (~5-10%):
https://github.com/mozilla/mozjpeg/blob/master/jchuff.c


Repository:
  rL LLVM

https://reviews.llvm.org/D32605