[LLVMdev] extracting sub-program using specified top level function name

[Devang Patel]

Have you looked at llvm-extract tool ?
-
Devang

On Aug 9, 2011, at 11:40 PM, Ananth Durbha wrote:

> fixing missing subject line in original email.
> 
> ----- Forwarded Message -----
> From: Ananth Durbha <avdurbha at yahoo.com>
> To: llvm list <llvmdev at cs.uiuc.edu>
> Sent: Tuesday, August 9, 2011 11:38 PM
> Subject: 
> 
> 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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