[LLVMdev] question

[Chris Lattner]

On Sat, 16 Nov 2002, Xiaodong Li wrote:

> be 'const DSNode *', I cannot use 'DSNode *' type. So as a result, I
> always get error message like this:
> How to use a 'Node *' type iterator? Or is there any other way to traverse
> the DSGraph?

I will have to add a new version of the iterator.  I'll do this sometime
early next week.  In the meantime, just cast stuff like crazy.  :)

-Chris

> On Sat, 16 Nov 2002, Bill? Wendling wrote:
>
> > Also sprach Xiaodong Li:
> > }
> > } When I tried to compile the program, I got this error:
> > }
> > } ../../../include/llvm/Analysis/DSGraph.h: In member function `virtual bool
> > }    <unnamed>::GlobalMemLeakage::run(Module&)':
> > } ../../../include/llvm/Analysis/DSGraph.h:38: `void
> > } DSGraph::operator=(const
> > }    DSGraph&)' is private
> > } MemLeakage.cpp:87: within this context
> > } gmake: *** [Debug/MemLeakage.o] Error 1
> > }
> > } I don't understand what this means. Basically what I did is I defined:
> > } map<Function *, DSGraph> funsetmap;
> > } and I was trying to assign the DSGraph for each function to the map.
> > } funsetmap[&F] = dsg;
> > } Could you tell me what's wrong how to fix this?
> > }
> > You're invoking the copy constructor in this code snippet:
> >
> >     funsetmap[&F] = dsg;
> >
> > That is, the copy constructor for dsg (which I take to be a DSGraph
> > object). Ways around this:
> >
> >     - Store a pointer to DSGraph instead of the DSGraph object. So
> >       something like this:
> >
> >         map<Function *, DSGraph *> funsetmap;
> >
> >         // code
> >
> >         funsetmap[&F] = &dsg;
> >
> >       You have to be careful not to store local variables and pass them
> >       back from a function, of course.
> >
> >     - Create a wrapper class for DSGraph and have its copy constructor
> >       clone the DSGraph object for you. This way is a bit more
> >       complicated and might not really be necessary for what you need to
> >       do though...
> >
> > --
> > || Bill Wendling           "A computer without a Microsoft operating
> > || wendling at isanbard.org    system is like a dog without bricks tied
> > ||                          to its head."   -- Anonymous
> >
>
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-Chris

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