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Re: [patch] tree-vrp.c: Teach VRP that &p->a is nonzero if p is known to be nonzero.


On Sun, May 01, 2005 at 07:08:30PM -0400, Kazu Hirata wrote:

> 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
> 
> 	PR tree-optimization/21294
> 	* tree-vrp.c (vrp_expr_computes_nonzero): New.
> 	(extract_range_from_expr): Call vrp_expr_computes_nonzero.
> 
> 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
> 
> 	PR tree-optimization/21294
> 	* gcc.dg/tree-ssa/pr21294.c: New.
> 
OK.


Diego.


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