[PATCH] D110613: [Taildup] Don't tail-duplicate loop header with multiple successors as its latches

[Kai Luo via Phabricator via llvm-commits]

lkail accepted this revision.
lkail added a comment.
This revision is now accepted and ready to land.

LGTM, let's land it first to unblock https://reviews.llvm.org/D106056. But one thing to notice, number of python's opcode is larger than 128. If this patch affects python's perf, I think we should seek another adequate default value.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110613/new/

https://reviews.llvm.org/D110613