[LLVMdev] callgraph utility with opt

[Shweta Jain]

Hello All,

I wanted to know how to use -callgraph option provided with opt. I have been
using a -print-callgraph for generating a CG but I don't want the o/p to go
to a dot file. Is it required to build a pass using CallGraph.cpp or we can
directly use the option with a .bc file.

Thanks
SHWETA
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