[LLVMdev] Re: getAnalysis

[Chris Lattner]

On Thu, 21 Nov 2002, Juan Nicolas Ruiz wrote:

> sorry for sending this question just to you: What do I need to include
> or declare in order to be able to use an external analysis? I'm trying
> to do:
>
> DSGraph* DSG = getAnalysis<BUDataStructures>().getDSGraph(F);
>
> I have
> #include "llvm/PassAnalysisSupport.h"   // getAnalysis

Please do not ever #include this file directly, always #include Pass.h

> but still keep getting the error:
> MemLeak.cpp:34: `getAnalysis' undeclared (first use this function)

You must call it from one of the methods of your Pass subclass.  IOW, the
"this" object that the getAnalyisis method expects is a Pass.

-Chris

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