[LLVMdev] llvm2.8 -insert-function-profiling

[Xinfinity]

Hi,

I intend to use llvm profiling to check my code and I am interested in
counting the calls per function. 

I have used 

profile.pl -function code.bc 

but I get the error:
opt: Unknown command line argument '-insert-function-profiling'.  Try: 'opt
-help'

Indeed, -insert-function-profiling is not listed as one of the options for
opt, displayed by opt -help. I am using llvm 2.8. 
what could be the problem?  

If I test with -edge, the tool requires an input code which contains the
main function. Since I test the SPEC CPU 2006 benches, the source code is
split in multiple files. How can I use the llvm profiler to obtain the most
frequently called functions in the whole program.

I mention that I transform each *.c file into a *.bc file to process it and
then link them together.

Thanks,
Alexandra
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