[LLVMdev] How to get function information in a generated call graph?

Duncan Sands baldrick at free.fr
Sat Jul 23 06:21:54 PDT 2011


> 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.

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