[LLVMdev] About static-profile in llvm-2.8

[Andrei Alvares]

Hi Li Qingan,

 I did this patch for LLVM 2.7, and ported it to LLVM 2.8, but I
haven't fully tested in 2.8.
 Could you please provide your .bc?

 Thanks,
   Andrei

On Fri, Jan 21, 2011 at 5:14 AM, Qingan Li <ww345ww at gmail.com> wrote:
>
> When I searched for branch frequency profiling on the internet, I got this
> link  by a casual
> chance: http://homepages.dcc.ufmg.br/~rimsa/tools/stprof-llvm.patch.
> It seems it was written by Andrei Rimsa.
> So I downloaded and integrate these files into the llvm-2.8 building. After
> the building, I tried "opt -static-profile bitcnt_1.bc", and an segment
> fault error occured. I debugged it step by step, and found the initial
> reason was:
> in StaticProfilePass.cpp: line 307 (funciton: PropagateCallFrequency), since
> the root of type CallGraphNode * has no valid function,  the
> node->getFunction() returned a NULL pointer, thus the F->getName() in line
> 307 caused a code down. I confirmed that there was a main function in
> bitcnt_1.c (from MiBench)
> I need the help.
> --
> Best regards,
> Li Qingan
>
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