On Tue, Jul 14, 2009 at 8:01 AM, Li Feng<nemoking...@gmail.com> wrote: > Hi, > > I'm now working on Graphite branch and need to know > the alias set information for each data_reference_p, which > would be an integer (or alias_set_type) stands for which > alias set it is in. > > I tried to get the alias set information with get_alias_set (tree) > (I've no idea how this function works, just a experimental > trying), for my testcase, it returns 2 for all the > data_reference_p->ref, which I think is unreasonable. > So I think I may go wrong somewhere. > > The question will be: how could I get it's relevant > alias set information from data_reference_p? > > p.s. : > In Graphite, the data reference was built for each > gimple stmt with: > get_references_in_stmt (stmt, &references); > then for each ref in references, data reference is created with: > dr = create_data_ref (nest, *ref->pos, stmt, ref->is_read);
get_alias_set (dr->ref) is the correct thing. Why do you think it is unreasonable to return 2 for all of them? Why do you need alias-set information anyway? Thanks, Richard. > Thanks, > Li >
