[PATCH] D82227: SLP: honor requested max vector size merging PHIs

Wed Nov 11 10:05:27 PST 2020

jonpa added a comment.

I am afraid that this patch actually has a bad impact on performance on SystemZ, and unfortunately this was not known until now. It would be very appreciated if we could rework this and get back the old behaviour on SystemZ somehow...

See https://bugs.llvm.org/show_bug.cgi?id=48155

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82227/new/

https://reviews.llvm.org/D82227