On April 25, 2014 5:54:09 PM CEST, Swati Rathi <swatira...@cse.iitb.ac.in>
wrote:
>Hello,
>
>I am trying to print points-to information for SSA variables as below.
>
> for (i = 1; i < num_ssa_names; i++)
> {
> tree ptr = ssa_name (i);
> struct ptr_info_def *pi;
>
> if (ptr == NULL_TREE
> || SSA_NAME_IN_FREE_LIST (ptr))
> continue;
>
> pi = SSA_NAME_PTR_INFO (ptr);
> if (pi)
> dump_points_to_info_for (file, ptr);
> }
>
>-------------------------------------------------------------
>My test program is given below :
>
>int main()
>{
> int *p, i, j;
> void (*fp1)();
>
> if (i)
> {
> p = &i;
> fp1 = fun1;
> }
>else
> {
> p = &j;
> fp1 = fun2;
> }
>
>fp1();
>
> printf ("\n%d %d\n", *p, i);
> return 0;
>}
>-------------------------------------------------------------
>I get the output as :-
>
>p_1, points-to vars: { i j }
>fp1_2, points-to vars: { }
>-------------------------------------------------------------
>
>Why is the pointees for function pointer not getting dumped?
It's just not saved.
>How can I access this information?
>
>
>Regards,
>Swati
