I don't know if it's exhaustive but there's the "remarks"
feature:
https://llvm.org/docs/Remarks.html#introduction-to-the-llvm-remark-diagnostics
On Sat, Jan 23, 2021 at 9:20 PM Sudakshina Dutta via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> Dear all,
>
> Good morning. I want to know whether LLVM creates any log file consisting
> of applied optimizations in the optimization phase. It will be really
> useful for the researchers who work on compilers, formal methods, etc.
>
> Thanks,
> Sudakshina
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
--
-Brian
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