[LLVMdev] Removing legacy profiling code from LLVM

[Chandler Carruth]

We chatted in person about getting the out-of-tree patches you have that
are necessary to even remotely use the existing infrastructure posted, or
otherwise show some progress on your end toward stepping up to maintain
this code, and I waited a few weeks with no result.

At this point, I don't think it is reasonable for the open source project
to continue to carry this legacy, and I'm going to proceed with removing
it. Naturally, you can resurrect all of this in your local tree since you
have been maintaining one anyways, and given the total lack of updates this
realistically shouldn't cause you any extra work.

Hopefully, you'll be able to help work with Bob and Diego (or others, or on
your own) on ongoing work w.r.t. PGO in LLVM.


On Fri, Sep 13, 2013 at 3:32 PM, <msharp at codeaurora.org> wrote:

>
> It appears to me as if you're proposing removing all the existing
> readers/writers, both the really old ones and the metadata ones, the
> instrumentation passes, and the implied file format for profile data.  Is
> this correct?
>
> While I'm not against considering migrating our work, I think it would be
> better if the new system was in place before removing the old.
>
>   --Mike
>
>
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