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[Bug tree-optimization/33099] [4.2 Regression] Scalar evolutions confusing VRP with pointer values that wrap around
- From: "dnovillo at google dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Aug 2007 20:27:59 -0000
- Subject: [Bug tree-optimization/33099] [4.2 Regression] Scalar evolutions confusing VRP with pointer values that wrap around
- References: <bug-33099-91@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from dnovillo at google dot com 2007-08-17 20:27 -------
Subject: Re: [4.2 Regression] Scalar evolutions
confusing VRP with pointer values that wrap around
On 8/17/07 4:20 PM, pinskia at gcc dot gnu dot org wrote:
> ------- Comment #2 from pinskia at gcc dot gnu dot org 2007-08-17 20:20 -------
> Exposed by:
> 2006-02-07 Jeff Law <law@redhat.com>
>
>
> Which added VRP after IV-OPTs.
No, no that is completely unrelated. This happens in the first VRP
pass. It's all inside adjust_range_with_scev which specifically calls
scalar evolutions code.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33099