[tree-ssa] CCP inefficiencies

[Diego Novillo]

On Thu, 2003-02-13 at 11:10, law@redhat.com wrote:

> Or a non-destructive simplifier.  I'm not sure which is going to make
> more sense, but it's pretty clear we need something better than just
> copying the nodes.
> 
CCP always needs to do destructive things because it calls fold() which
munges the input tree.  Alternately, we could 'fix' fold() to not be
destructive.


Diego.