[PATCH] D153638: [CodeGenPrepare][NFC] Update the dominator tree instead of rebuilding it

[Momchil Velikov via Phabricator via llvm-commits]

chill added a comment.

In D153638#4445127 <https://reviews.llvm.org/D153638#4445127>, @efriedma wrote:

> Have you tried to measure compile-time impact?

Yeah, I measured with the whole stack as of today and the results aren't ... impressive. Basically, differences within error/noise margin, maybe with a tiny hint of regression.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153638/new/

https://reviews.llvm.org/D153638