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Re: [PATCH]: Fix PR tree-optimization/19038


On Fri, 2005-01-21 at 15:09 -0500, Diego Novillo wrote:
> Daniel Berlin wrote:
> 
> > +      /* Don't replace loop invariant variables with loop variant copies.  */   
> > +      if (loop_depth_of_name (val) > loop_depth_of_name (op))
> > +	return false;
> >  
> Hmm, what if loop_depth(val) > loop_depth(op) but VAL is not loop variant?
> 

loop-im would have hoisted it if it was profitable, and then we'd have
copy-proped that version in dom3.

> 
> Diego.


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