On Wed, Nov 06, 2013 at 03:21:04PM -0700, Jeff Law wrote:
> >2013-11-06 Jakub Jelinek
> >
> > * tree-ssa-loop-niter.c: Include tree-ssanames.h.
> > (determine_value_range): Add loop argument. Use get_range_info to
> > improve range.
> > (bound_difference): Adjust caller.
> Cleve
On 11/06/13 10:23, Jakub Jelinek wrote:
On Wed, Nov 06, 2013 at 06:13:42PM +0100, Jakub Jelinek wrote:
I've looked at the above testcase to see why we aren't able to determine
the number of iterations upper bound properly here.
And here is a patch that uses get_range_info during # of iteration
