[PATCH] D48041: [SCEV] Add transform zext((A * B * ...)<nuw>) --> (zext(A) * zext(B) * ...)<nuw>.

[Michael Zolotukhin via Phabricator via llvm-commits]

mzolotukhin added a comment.

> Is there some way to figure out what exactly got slower (it could be SCEV or some user of SCEV)?

Not really at the moment.

I'm trying to locally reproduce it, and maybe I'll get more insight into it later. So far it's been reported by several internal bots testing different opt-levels, so it doesn't look to be just a noise.

Michael


Repository:
  rL LLVM

https://reviews.llvm.org/D48041