[LLVMdev] DSA getNodeForValue() Returning NULL Sometimes

[Andrew Lenharth]

On Fri, Aug 7, 2009 at 4:45 PM, Patrick Alexander
Simmons<simmon12 at cs.uiuc.edu> wrote:
> I'm iterating over all LoadInst and StoreInst-type Instructions in a
> Function, and getNodeForValue() is sometimes returning NULL.  Why is
> this happening?  Shouldn't every load from or store to memory correspond
> to some DSNode?


Not if the pointer is null or the pointer contains no information in
the pass you are querying.

Andrew