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

Michael Zolotukhin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 11 19:39:56 PDT 2018


mzolotukhin added subscribers: sanjoy, mzolotukhin.
mzolotukhin added a comment.

Hi Justin,

This (or the previous) commit caused a ~1.4% compile time slowdown on CTMark/mafft/pairlocalalign. Any ideas on how we can avoid it?
I don’t have more details at the moment, but I’d be happy to dig deeper if that helps.

Thanks,
Michael


Repository:
  rL LLVM

https://reviews.llvm.org/D48041





More information about the llvm-commits mailing list