[PATCH] D104060: Machine IR Profile

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In D104060#2818277 <https://reviews.llvm.org/D104060#2818277>, @davidxl wrote:

> Good summary.
>
>> For instance, the important Kirichoff's circult law (aka spanning tree)
>> optimization is not implemented. (I added the optimization to clang
>> -fprofile-generate).
>
> You probably meant -fprofile-instr-generate :)

Thanks for noticing the typo:) Corrected.  @xur implemented the optimization for -fprofile-generate (D12781 <https://reviews.llvm.org/D12781>). I ported it to -fprofile-arcs.
-fprofile-instr-generate doesn't have the optimization.


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