[RFC] Removal of loop notes

[Joe Buck]

> >     I see that flow no longer uses loop_depth when computing REG_N_REFS, 
> > 
> > That strikes me as wrong.  Don't we want to give pseudos that are in loops
> > preference over those that aren't?
> 
On Thu, Mar 09, 2006 at 09:12:35AM +0100, Zdenek Dvorak wrote:
> we have much more reliable heuristic based on profile information for
> some time now.

Profile information isn't always available.