Re: [Autovect]dependencies of virtual defs/uses

["Daniel Berlin" <dberlin at dberlin dot org>]

On 2/12/07, Jiahua He <jiahua_he@ustc.edu> wrote:
> Hi,
>
> I am reading the code of autovect branch and curious about how to deal
> with the dependencies of virtual defs/uses. In the function
> vect_analyze_scalar_cycles( ), I found the statement "Skip virtual
> phi's. The data dependences that are associated with virtual defs/uses
> ( i.e., memory accesses) are analyzed elsewhere." But where is the
> code? I tried to search  for "vect_induction_def" and
> "vect_reduction_def" and found that they are not used to assign
> elsewhere. Is the analysis not implemented yet? Thanks in advance!

They show up as data references because of tree-data-reference.c marking them.
At lets, that's how other linear loop transforms handles it.
Not sure about how vectorizer deals with it specifically

> Jiahua