[PATCH] D101555: [SLP]Improve handling of compensate external uses cost.

[Douglas Yung via Phabricator via llvm-commits]

dyung added a comment.

Hi, we are noticing a regression internally in the code generated by the compiler when targeting btver2 after this change.

The test compiles the following code and inspects the assembly that is generated.

ymm-1undef-add_ps_002.cpp:

  #include <x86intrin.h>




Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101555/new/

https://reviews.llvm.org/D101555