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Re: Patch to implement flow_preorder_transversal_compute for VRP
- From: Jan Hubicka <jh at suse dot cz>
- To: John Wehle <john at feith dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 11 Dec 2001 10:39:55 +0100
- Subject: Re: Patch to implement flow_preorder_transversal_compute for VRP
- References: <200112110701.fBB71jt01537@jwlab.FEITH.COM>
> flow_preorder_transversal_compute is a generic support routine
> used by VRP to compute a preorder transversal ordering which
> (among other things) can be used for easy detection of all the
> entry blocks for a loop. It may be useful elsewhere.
>
> This patch (combined with VRP) passes make bootstrap and make check
> on Dec Alpha 4.0f, Solaris 7 SPARC, and Solaris 7 x86.
>
> ChangeLog:
>
> Mon Dec 10 13:04:38 EST 2001 John Wehle (john@feith.com)
>
> * basic-block.h (flow_preorder_transversal_compute): Declare.
> * cfganal.c (flow_preorder_transversal_compute): Implement.
>
> Enjoy!
Also installed to the cfg branch. Thanks!
BTW if you do have working version of VRP patch, perhaps cfg branch
is good place to put it to before it get accepted to mainline, so the
code will get some extra testing, benchmarking and we can try to use
that nice stuff in some passes.
Honza