[LLVMdev] How do you determine whether afunctionisdefinedexternally to a module ?

[Aaron Gray]

I must be doing something basic wrong with LLVM.

To be more precise the question should be probably be :-

    "How do you get a list of all called functions that are external to the current module ?"

This is probably somewhat different from the list of module functions ???

Aaron

  ----- Original Message ----- 
  From: Aaron Gray 
  To: LLVM Developers Mailing List 
  Sent: Monday, July 04, 2005 12:15 AM
  Subject: Re: [LLVMdev] How do you determine whether afunctionisdefinedexternally to a module ?


  I have tried the following :-

    if (!M.empty())
      for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
        if ( !I->getIntrinsicID() && I->getEntryBlock().empty())
          O << "EXTERN " << Mang->getValueName(I) << " : NEAR" << "\n";

  Based upon :-

      virtual bool Function::isExternal() const { return BasicBlocks.empty(); }

  But it does not work either.

  Which means there must be a BasicBlock occuring on undefined/external functions.

  Anyway no hurry I am off to do other tasks for a day or so.

  Aaron



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