llvm dev - Jul 2011 - [LLVMdev] How to get function information in a generated call graph?

Hi All, 

I use opt -dot-callgraph test.bc to generate a dot format call  graph from the 
given bitcode file. I am just wondering if there is any  implementation to get 
information for each function, which is a node in  the .dot file,  in a call 
graph? (e.g. which file the function is in,  and the specific line number) 


Thanks, 
Chen 
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Hi,
> I use opt -dot-callgraph test.bc to generate a dot format call graph from
the
> given bitcode file. I am just wondering if there is any implementation to
get
> information for each function, which is a node in the .dot file, in a call
> graph? (e.g. which file the function is in, and the specific line number)
you need debug info to get this information: if you compile a file without debug
info then the LLVM IR will contain no information about files functions were
defined in, which lines etc.

Ciao, Duncan.