[LLVMdev] llvm::LoopPass

[Edvard Ghazaryan]

Hello .

I'm trying to implement LoopPass.
Here is simple code : 

  class LoopParser: public llvm::LoopPass
  {
    public:
      static char ID;

    public:
      virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const
      {
        AU.addRequiredID(llvm::LoopSimplifyID);
        AU.addPreservedID(llvm::LoopSimplifyID);
        AU.addRequired<llvm::LoopInfo>();
      }

      virtual bool runOnLoop(llvm::Loop* IncomingLoop,
                             llvm::LPPassManager& LPM_Ref)
     { return false; }

      LoopParser() : llvmLoopPass(ID)
      {}
  };
char LoopParser::ID = 0;
static llvm::RegisterPass<LoopParser> XX("LoopParser", "TODO ", false, false);

when I'am trying to load  a get the error message : undefined symbol: _ZTIN4llvm8LoopPassE
How can I fix?

Thanks in advance,
Edvard 
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