[PATCH] D89088: [MBP] Add whole chain to BlockFilterSet instead of individual BB

[Guozhi Wei via Phabricator via llvm-commits]

Carrot added a comment.

For the attached test case, it can cause bad layout, block .problem is placed under .cold. With this patch .problem is optimally placed after .pred.

When combined with my BB duplication work, the problem also caused an infinite loop in duplication.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D89088/new/

https://reviews.llvm.org/D89088