https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102982
--- Comment #6 from hubicka at kam dot mff.cuni.cz ---
>
> fixup_cfg already removes write-only stores so that seems fit for that
> purpose.
>
> Btw,
>
> static int x = 1;
>
> int main()
> {
> x = 1;
> }
>
> should ideally be handled as well as maybe the more common(?)
>
> static int x[128];
>
> int main()
> {
> memset (x, 0, 128*4);
> }
>
> so we'd like to store a (constant) RHS for the stores in the summaries?
> (I suppose we cannot selectively stream in a single stmt ;))
Yep, what we want is to have way to attach summaries to particular
IPA_REF_load/store/addr just like we annotate call sites...
It would be nice to extend symbol-summary.h for that. Martin, would you
be interested to look into it?
Honza
