[compiler-rt] r253483 - [PGO] Runtime support for value profiling.

[Xinliang David Li via llvm-commits]

Or disable value profiling for those targets -- such as stub out the
__llvm_profile_instrument_target..

I can help with a patch for Daniel to test.


David

On Fri, Nov 20, 2015 at 9:20 AM, Betul Buyukkurt <betulb at codeaurora.org>
wrote:

> Hi Daniel,
>
> This was the merging of a runtime support of the value profiling feature
> which was merged along w/ the LLVM and clang counterparts of this work.
> Those were r253484 and r253485 respectively.
>
> It looks like that the references to  __sycn_fetch_and_add operations are
> not defined for your target. Is there an alternative that you'd like us to
> use (mutex lock/unlock  based operation)?
>
> -Betul
>
> -----Original Message-----
> From: Daniel Sanders [mailto:Daniel.Sanders at imgtec.com]
> Sent: Friday, November 20, 2015 8:29 AM
> To: Daniel Sanders; Renato Golin; Betul Buyukkurt; Xinliang David Li;
> llvm-commits at lists.llvm.org
> Subject: RE: [compiler-rt] r253483 - [PGO] Runtime support for value
> profiling.
>
> Not sure why I re-added (Outlook removes the list) llvm-dev instead of
> llvm-commits on that last one, sorry.
>
> I missed a few fixup commits in the last list. Reverting r253545, r253510,
> r253508, r253503, r253500, r253496, r253492, r253489, and r253483 (all of
> which are part of this commit and the corrections) fixes the failing tests
> in my working copy. I'm going to do a full 'ninja check-all' before I
> revert.
>
> > -----Original Message-----
> > From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] On Behalf Of
> > Daniel Sanders via llvm-dev
> > Sent: 20 November 2015 16:05
> > To: Renato Golin; Betul Buyukkurt; llvm-dev at lists.llvm.org; Xinliang
> > David Li
> > Subject: Re: [llvm-dev] [compiler-rt] r253483 - [PGO] Runtime support
> > for value profiling.
> >
> > Hi,
> >
> > I'm currently bisecting a buildbot regression in the clang-cmake-mips
> > builder and I've ended up with a range of commits, all of them are
> > either this commit or one of its corrections. The commits are r253483,
> > r253489, r253492, and r253496. I'm going to try reverting these in my
> > working copy and if that works I'll commit the revert.
> >
> > The first build to fail is
> > http://lab.llvm.org:8011/builders/clang-cmake-
> > mips/builds/10816 and the first one to show the current failures is
> > http://lab.llvm.org:8011/builders/clang-cmake-mips/builds/10819.
> >
> > > -----Original Message-----
> > > From: llvm-commits [mailto:llvm-commits-bounces at lists.llvm.org] On
> > Behalf
> > > Of Renato Golin via llvm-commits
> > > Sent: 18 November 2015 21:46
> > > To: Betul Buyukkurt
> > > Cc: LLVM Commits
> > > Subject: Re: [compiler-rt] r253483 - [PGO] Runtime support for value
> > > profiling.
> > >
> > > On 18 November 2015 at 18:12, Betul Buyukkurt via llvm-commits
> > > <llvm-commits at lists.llvm.org> wrote:
> > > > Author: betulb
> > > > Date: Wed Nov 18 12:12:35 2015
> > > > New Revision: 253483
> > > >
> > > > URL: http://llvm.org/viewvc/llvm-project?rev=253483&view=rev
> > > > Log:
> > > > [PGO] Runtime support for value profiling.
> > > >
> > > > This change adds extends the data structures and adds in the
> > > > routines for handling runtime calls for value profiling. The
> > > > profile data format is modified and the version number is
> incremented.
> > >
> > > Hi Betul,
> > >
> > > There has been a good number of commits and the self-hosting bots
> > > are still broken, shouldn't we revert everything and try again,
> > > *after* you make it self-host locally?
> > >
> > > http://lab.llvm.org:8011/builders/clang-cmake-armv7-a15-full/builds/
> > > 9175
> > >
> > > You're making it very hard to revert this patch already...
> > >
> > > cheers,
> > > --renato
> > > _______________________________________________
> > > llvm-commits mailing list
> > > llvm-commits at lists.llvm.org
> > > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
> > _______________________________________________
> > LLVM Developers mailing list
> > llvm-dev at lists.llvm.org
> > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
>
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