[LLVMdev] Error : llvm/include/llvm/Pass.h:188: error: incomplete type 'llvm::DominatorTree' used in nested name specifier

[Douglas do Couto Teixeira]

Hi Surinder,

Did you remember to #include "llvm/Analysis/Dominators.h"?

Best,

Douglas

On Sun, Jan 30, 2011 at 11:24 PM, Surinder <surifilms at gmail.com> wrote:

> I am creating a new pass (function pass) called Dfl from the Hello
> example and notes on "Writing an LLVM Pass".  When I compile the
> program I get inncomplete type error (llvm/include/llvm/Pass.h:188:
> error: incomplete type 'llvm::DominatorTree' used in nested name
> specifier).  The code is given below.
>
> Surinder
>
> struct Dfl : public FunctionPass {
>    raw_ostream *Out;
>    static char ID;
>    //
>    Dfl() : FunctionPass(&ID) { }
>    //
>    virtual bool runOnFunction(Function &F) {
>      // //BlocksCounter++; EdgesCounter++; InstCounter++;
>      bool modified=false;
>      errs() << "In Dfl for Function : " << F.getName();
>      if (F.empty()) errs() << " is empty."  << "\n";
>      else errs()  << "\n";
>      // DT = &getAnalysis<DominatorTree>();
>      modified = printDfl(Out, &F); // , &DT);
>      return modified;
>    };
>    // pass interface to other passes
>    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
>      AU.setPreservesAll();
>      AU.addRequired<DominatorTree>();                 ///  ***error
> line ***********
>    }
>
>
> };  // end struc Dfl
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