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Re: Determine more IVs to be non-overflowing

On Wed, 6 Jul 2016, Jan Hubicka wrote:

> > Jan Hubicka <hubicka@ucw.cz> writes:
> > 
> > > Bootstrapped/regtested x86_64-linux, OK?
> > >
> > > 	* gcc.dg/tree-ssa/scev-14.c: new testcase.
> > 
> > FAIL: gcc.dg/tree-ssa/scev-14.c scan-tree-dump-not ivopts "Overflowness wrto loop niter:\tOverflow"
> 
> Aha, this is wrong version of testcase. The scan-tree-dump-not doesn't match
> until we resolve decreasing unsigned iv variables as non-overlapping.  I will
> test dropping that pattern for now. Sorry for that.

But did you test the patch?  You should have noticed this during your
own testing...

Richard.
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