Refining points-to information

Hi,
          In trying to use a pointer analysis package, i find that it gives
overly restrictive results basically says a reference pointer points
to ANYTHING once it is passsed as a refereence parameter. I have come
to understand withouut an interprocedural analysis, you have to assume
something like this. What I am wondering is, can this set anything be
refined further using simpler rules. Spefically, if a local
variable's address is not taken, perhaps it can be not included in the
points to set. Similarly. can't I assume that if it is a int* then it
would not point to a function. Are these also unreasonable ?


thanks
dz

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