[all-commits] [llvm/llvm-project] 43ee6f: [AlwaysInline] Avoid unnecessary BFI fetches (#117...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 43ee6f7a01fca8cf08e1029c54acc23240b86fca
      https://github.com/llvm/llvm-project/commit/43ee6f7a01fca8cf08e1029c54acc23240b86fca
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-11-27 (Wed, 27 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/IPO/AlwaysInliner.cpp

  Log Message:
  -----------
  [AlwaysInline] Avoid unnecessary BFI fetches (#117750)

AlwaysInliner doesn't use BFI itself, it only updates it. If BFI is not
already computed, it will spend time to first compute it, and then
update it. This is not necessary: If BFI is not available in the first
place, there is no need to update it.

This is mainly relevant in debug builds for IR that has a lot of
alwaysinline functions.



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