[llvm-dev] LLVM (Cool/Warm) DOT Printers for Profiling

[Sam Elliott via llvm-dev]

Hi Rodrigo,

This work looks great and very valuable to those of us who use CFGs to diagnose optimisation issues.

Have you thought of trying to fold this into the existing LLVM -dot-cfg and -dot-cfg-only passes?  The optimisation remark infrastructure is using hotness information when it is available, it seems like it would be a good idea to add this to graph generation if hotness information is available there too. 

I don't know how significant an amount of work that would be, but selfishly, I would find it a lot easier to use if it was in LLVM itself rather than having to build and load it as a plugin.

Sam


> On 13 Jul 2017, at 1:43 pm, Rodrigo Caetano Rocha via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hi everyone,
> 
> I have been working with profiling in LLVM and I was wondering if it would be interesting to upstream the following DOT Printers for Profiling Visualization:
> https://github.com/rcorcs/llvm-heat-printer <https://github.com/rcorcs/llvm-heat-printer>
> 
> All suggestions are welcomed.
> 
> Thanks,
> 
> Rodrigo Rocha
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
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--
Archibald Sam Elliott
ashe2 at cs.washington.edu
PhD Student, PLSE Group

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