dmgreen added a comment.

> It’s not clear from the original commit message why the test is related to 
> inlining order? It seems entirely testing vectorization cost model which 
> should be insensitive to these kind of changes, right?

It's a phase ordering test - it's testing the entire pipeline including all the 
inlining and simplification that needs to happen :)

You can run update_test_checks of the file to see the differences. I believe 
the inlining causes differences in the code that then cause different vector 
factors to be chosen. I can try to add a similar test for the other case that 
got worse, if they are similar.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143624/new/

https://reviews.llvm.org/D143624

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