[PATCH] D124490: [InstrProf] Minimal Block Coverage

Fangrui Song via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon May 16 11:35:06 PDT 2022


MaskRay added a comment.

> Special thanks to Julian Mestre for creating this block coverage inference algorithm.

I haven't read the code yet but can you briefly describe it in the summary?

How is this compared with Kirchhoff circuit law optimization which requires integral execution counts?
Note: -fprofile-instr-generate is quite a bit slower because it does not have the optimization.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D124490/new/

https://reviews.llvm.org/D124490



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