[PATCH] D56720: [MemorySSA] Add caching results of reaching LiveOnEntry MemoryDef to ClobberWalker

[Evgeny Astigeevich via Phabricator via llvm-commits]

eastig added a comment.

In D56720#1398464 <https://reviews.llvm.org/D56720#1398464>, @asbirlea wrote:

> FWIW, the cause of the slowdown is the usage of MemorySSA in EarlyCSE.
>  Here's an alternative solution: D58248 <https://reviews.llvm.org/D58248>.
>  On my machine compile time goes from ~41s to ~11s (with vixl ToT today).


Thank you, Alina, for working on this.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56720/new/

https://reviews.llvm.org/D56720