[debuglocus] PHI source locations

[Andrew MacLeod]

Andrew Pinski wrote:
> On Mon, Mar 23, 2009 at 7:07 AM, Andrew MacLeod <amacleod@redhat.com> wrote:
>   
>> With virtual uses changing so much, I imagine the
>> extra memory used would be vastly overshadowed by the savings in virtual PHI
>> consumption.
>>     
>
> On the Aliasing improvement branch (which I think Richard wants to
> merge into 4.5), there is only ever one Virtual operation name so the
> overhead should be less there.
>   
Yeah, I don't expect much of an issue.  It grows the struct from 7 to 8 
words. Even in without the virtual use changes it would probably not 
realistically be noticed, just dotting my i's :-)

Andrew