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Re: [patches] Re: Remove trivially dead instructions after try_optimize_cfg
- To: Richard Henderson <rth at redhat dot com>, Jan Hubicka <jh at suse dot cz>, gcc-patches at gcc dot gnu dot org, patches at x86-64 dot org
- Subject: Re: [patches] Re: Remove trivially dead instructions after try_optimize_cfg
- From: Jan Hubicka <jh at suse dot cz>
- Date: Mon, 2 Jul 2001 11:43:02 +0200
- References: <20010629150324.I13501@atrey.karlin.mff.cuni.cz> <20010629084643.D17456@redhat.com>
> On Fri, Jun 29, 2001 at 03:03:24PM +0200, Jan Hubicka wrote:
> > * flow.c (jump_converted): New static variable.
> > (try_redirect_by_replacing_jump): set.
> > (try_optimize_cfg): Clear; call delete_trivially_dead_insns
> > if true.
>
> I'm unconvinced this is needed.
OK, lets ignore this for now. It is probably not needed.
Still I will try to fix my patch for making delete_trivially_dead_insns
flowgraph avare, as I need it to make flowgraph survive after loop
pass.
Honza
>
>
> r~