aeubanks added a comment.

In D149800#4330831 <https://reviews.llvm.org/D149800#4330831>, @davidxl wrote:

> This patch uses a cleaner method than the previous effort. There is some 
> differences:
>
> 1. yamauchi's patch works for both iFDO and autoFDO, while this patch limits 
> to iFDO
> 2. yamauchi's patch also handles size optimization (IIRC) at granularity 
> smaller than function
>
> Longer term, the previous functionality should fold into the new framework.

Could you clarify what "previous functionality" and "new framework" mean here?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149800/new/

https://reviews.llvm.org/D149800

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