[PATCH] D140935: [InstCombine] C - cttz(X) => ctlz(X) if C is bitwidth

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Won't this only work if only a single bit is set (pow2)?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140935/new/

https://reviews.llvm.org/D140935