[PATCH] D140750: [TargetLowering] Teach BuildUDIV to take advantage of leading zeros in the dividend.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

If you're interested in this area, there's known improvements that haven't been implemented in LLVM, as pointed out by https://ridiculousfish.com/blog/posts/labor-of-division-episode-iii.html.  See https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8258644/ for a more complete review of known techniques.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140750/new/

https://reviews.llvm.org/D140750