[LLVMdev] Call Graph Analysis

kapil anand kapilanand2 at gmail.com
Fri Aug 22 14:06:59 PDT 2008


I am not making this application part of LLVM library although I do link the
libLLVMipa library ( actually I am using llvm-config --libs all option in
the Makefile which links all the libraries).

Is it necessary to make it part of LLVM library?

Thanks for you responses.


On Fri, Aug 22, 2008 at 3:40 PM, Bill Wendling <isanbard at gmail.com> wrote:

> On Aug 21, 2008, at 2:20 PM, kapil anand wrote:
> > Hi,
> >
> > I have made my optimization as an extension of ModulePass as
> > suggested in last mail. I included "addRequired<CallGraph>" in
> > getAnalysisUsage function.
> > The application compiles fine but while linking,  I get following
> > errors:
> > "undefined reference to llvm::CallGraphLinkVar"
> > "undefined reference to llvm::CallGraph::ID
> >
> > The above error is at point where I refer to individual instruction.
> > I followed the conventions used in GlobalModRefPass, which is also
> > an extension of ModulePass. Is there any other convention which
> > needs to be followed?
> >
> I would think that that is enough. Where are you adding this module?
> Is it part of the libLLVMipa.a library? Or is it another library? Make
> sure that when you link your application, you're analysis is either
> part of libLLVMipa.a or has that library on the link line.
> -bw
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