[LLVMdev] Error while making new pass

[Devang Patel]

Hi Kapil,

On Oct 8, 2008, at 10:19 AM, kapil anand wrote:

> Hi all,
>
> I need a new kind of analysis on LLVM Module, so I made a new pass  
> to do this. This new pass extends the ModulePass class and follows  
> the conventions used in GlobalModRefPass, which is also a Module  
> Pass.I need the CallGraph analysis for this pass, hence I have added  
> (addRequired(CallGraph)) in getAnalysisUsage function of this new  
> pass.

A module pass may not required CallGraph. Probably, you want to make  
your pass a CallGraphSCCPass, e.g. Inliner.

> I also added it to CallGraph Analysis group through  
> "RegisterAnalysisGroup"
>
> This new pass is not part of any LLVM library  and is not present in  
> LLVM source tree . Rather it is part of my own project tree. I  
> included required header files and specified the required library in  
> the linker. It compiles and links fine but when I reach at  
> getAnalysis function to get CallGraph analysis, it gives me  
> following runtime error
>
> Assertion  "resover && pass has not been inserted into a Pass  
> Manager Object" failed.
>
> What other steps do I need to follow to get rid of this error.
>
> Thanks
>
> --Kapil
>
>
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-
Devang



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