[LLVMdev] llc undefined symbol

[Michael Graumann]

Hi 
At the moment there are in my pass only this virtual function
(runOnMachineFunction). maybe is there an other reason?

Thank you
Michael

-----Ursprüngliche Nachricht-----
Von: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] Im
Auftrag von Mike Stump
Gesendet: Dienstag, 11. August 2009 19:16
An: LLVM Developers Mailing List
Betreff: Re: [LLVMdev] llc undefined symbol

On Aug 11, 2009, at 8:23 AM, Michael Graumann wrote:
> I'm writing a pass for the llc tool. If I try to load my pass(llc - 
> load ../mypass.so), this error message appears  :
>
> Error opening '/nfs/wsi/ti/graumann/llvm-2.5/Release/lib/ 
> LLVMMicha.so': /nfs/wsi/ti/graumann/llvm-2.5/Release/lib/ 
> LLVMMicha.so: undefined symbol:  
> _ZTVN12_GLOBAL__N_119MyRegisterAllocatorE
>   -load request ignored.

You have to define (instantiate) all your virtual functions.   
runOnMachineFunction is one such function, there may be others as well.
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