[LLVMdev] (no subject)

[Ananth Durbha]

Hi,
     I am interested in getting llvm IR only for a subset of the input source code - basically starting from a specified top level function, including all its callee functions (recursively).

     For example, in the following code, I am interested in a command like "extract -top_function blah()" that will create an llvm IR with just blah() and foo().


      int foo() {
          ...

      }

       int blah() {
             foo()
       }

        int junk() {
             blah();
        }

        int main() {
             junk();
        }

    I can imagine writing some kind of FunctionPass that filters for specified function etc. But is there already some pass/command/tool that already does something similar?

    Thanks in advance for helping a newbie!

-Ananth
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