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Re: possibly dead call from slsr_process_phi () to gimple_bb ()
- From: Richard Biener <rguenther at suse dot de>
- To: Prathamesh Kulkarni <prathamesh dot kulkarni at linaro dot org>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, wschmidt at linux dot vnet dot ibm dot com
- Date: Mon, 25 Jul 2016 11:04:23 +0200 (CEST)
- Subject: Re: possibly dead call from slsr_process_phi () to gimple_bb ()
- Authentication-results: sourceware.org; auth=none
- References: <CAAgBjMk6AJ7dL1DHQTiAxdx3KckpM44ou0VTyn-fWRmftdHGEg@mail.gmail.com>
On Mon, 25 Jul 2016, Prathamesh Kulkarni wrote:
> Hi,
> I am trying to write a WIP patch to warn for dead function calls,
> and incidentally it caught the following dead call to gimple_bb() from
> slsr_process_phi () in gimple-ssa-strength-reduction.c:
>
> if (SSA_NAME_IS_DEFAULT_DEF (arg))
> arg_bb = single_succ (ENTRY_BLOCK_PTR_FOR_FN (cfun));
> else
> gimple_bb (SSA_NAME_DEF_STMT (arg));
>
> Presumably it should be:
> arg_bb = gimple_bb (SSA_NAME_DEF_STMT (arg)) ?
Looks like so. Bill should know.
Richard.
> Thanks,
> Prathamesh
>
>
--
Richard Biener <rguenther@suse.de>
SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nuernberg)