[PATCH] D105344: [DAGCombiner] Fold SETCC(FREEZE(x), y) to SETCC(x, y) if used by BRCOND

Nikita Popov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jul 2 12:10:05 PDT 2021


nikic added a comment.

Might it make sense to consider this as a fold on freeze, which walks a chain of one-use (non-poison-producing) instructions down to a brcond? That would make it easier to generalize for looking through other instructions.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105344/new/

https://reviews.llvm.org/D105344



More information about the llvm-commits mailing list