Whole program optimization and functions-only-called-once.

[Peter Bergner]

On Mon, 2009-11-23 at 22:56 -0500, Vladimir Makarov wrote:
> The problem with IRA regional allocation is that #allocnos might be much 
> more #pseudos.

Remind me, unlike the 4.3 and earlier code where allocnos were just a
compressed list (ie, no unused numbers) of pseudo numbers so there was
a one-to-one mapping between pseudo numbers and allocno numbers, with
the new code, we actually have multiple allocnos per pseudo?

Peter