Question about simplify_cond_and_lookup_avail_expr

[Steven Bosscher]

On Monday 29 November 2004 20:58, Devang Patel wrote:
> On Nov 24, 2004, at 6:09 PM, Andrew Pinski wrote:
> > No this is in the wrong place, this should be done by a tree combiner.
>
> Tree combiner is mentioned many times but I do not understand its role
> clearly. What is it suppose to do?

Much like combine.c, only working on tree-ssa.  Basically it is
a very heavy form of forward propagation.

Gr.
Steven