lebedev.ri added a comment.

In D104099#2813743 <https://reviews.llvm.org/D104099#2813743>, @aeubanks wrote:

> Which pass that comes after SpeculateAroundPHIs in the X86 pipeline (either 
> in the optimization or codegen) would undo its effects?

As i have wrote in some other review, the pass i saw as causing problems is LSR.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104099/new/

https://reviews.llvm.org/D104099

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