[RFC] callgraph and unit at time compilation

[Jan Hubicka]

> On Fri, 2002-11-15 at 20:53, Jan Hubicka wrote:
> 
> > My question is whether this approach looks sensible.  If so, I would
> > like to hear some comments from people more experienced with tree
> > inlining than I am.
> > 
> I would strongly encourage you to approach this problem in a
> language-independent manner.  In the future, we will want to do more
> than inlining.  We need to be able to build flowgraph for all/several
> functions in one compilation unit so that we can do inter-procedural
> analyses and optimizations.  We have some of the basic building blocks
> on the tree-ssa branch (there's even a call-graph builder).
> 
> Solving this for only one front end will force us to solve the same
> problem for all the front ends.  Better design something that we can use
> in the future to do real unit-at-a-time optimizations.

Yes, I would like to have this frontend independent, however at the
moment inlining it handles is frontend dependent.  I tried to keep it
isolated as much as I can.
I will take a look at AST's callgraph builder shortly.

Honza
> 
> 
> Diego.