aqjune added a comment.

I can see that `@ff_seek_frame_binary` is the only affected function.
It introduces `llvm.assume` as well as `!nonnull` at a few places and folds 
null pointer checks.
Still investigating..
F19677416: before.ll <https://reviews.llvm.org/F19677416> F19677415: after.ll 
<https://reviews.llvm.org/F19677415>


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105169/new/

https://reviews.llvm.org/D105169

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