[PATCH] D67318: [SimplifyCFG] FoldTwoEntryPHINode(): consider *total* speculation cost, not per-BB cost

[James Molloy via Phabricator via llvm-commits]

jmolloy added a comment.

> I will be **very** surprised if this does not cause any regressions at all.

There is no avoiding that, the best we can do is best-effort here.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67318/new/

https://reviews.llvm.org/D67318