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Re: compute_flow_dominators
- To: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
- Subject: Re: compute_flow_dominators
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 10 Nov 1999 00:05:43 -0700
- cc: gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <14374.18510.273316.680469@ongaonga.elec.canterbury.ac.nz>you writ
e:
>
> The new version of compute_flow_dominators dies if there is only a
> single basic block.
>
> The following patch seems to handle the problematical case.
>
> Michael.
>
>
> Mon Nov 8 16:56:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
>
> * flow.c (compute_flow_dominators): Check for exit edge from entry
> block.
Give the stuff I just checked in a whirl. It should fix this problem along
with a couple others.
jeff