[tree-ssa] Optimizing if statements

[Andrew MacLeod]

On Mon, 2003-06-02 at 17:40, Daniel Berlin wrote:
> 
> 

> >     }
> > }
> >
> >
> > Shouldn't tree-ssa be able to optimize away one of the
> > "if" statements here (since (s > 0) iff (bar > 0))?
> If copy prop was working, it would.
> 

Which just bootstrapped on my machine this afternoon....
So shortly we will have a patch for overlapping live ranges with copy
prop turned on by default...

I hope :-)

Andrew