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Re: Accessing function code from CFG

From: "Paulo J. Matos" <pocm at soton dot ac dot uk>
To: "Diego Novillo" <dnovillo at redhat dot com>
Cc: gcc at gcc dot gnu dot org
Date: Fri, 2 Mar 2007 15:43:18 +0000
Subject: Re: Accessing function code from CFG
References: <11b141710703020712q266c14c3yf74e6aab10906581@mail.gmail.com> <45E84224.9040103@redhat.com>

On 3/2/07, Diego Novillo <dnovillo@redhat.com> wrote:

Paulo J. Matos wrote on 03/02/07 10:12:

> In an IPA pass, for each CFG node, I have a tree decl member from
> which I can access the return type, name of the function, argument
> names and its types, but I can't seem to find a way to get the
> function code. I would guess it would be a basic block list but I
> don't know where I can get it.

You need to get at the function structure from the cgraph node with
DECL_STRUCT_FUNCTION (cgraph_node->decl).  Then you can use one of the
CFG accessors like basic_block_info_for_function().

Great! :-) Thank you!


--
Paulo Jorge Matos - pocm at soton.ac.uk
http://www.personal.soton.ac.uk/pocm
PhD Student @ ECS
University of Southampton, UK

References:
- Accessing function code from CFG
  - From: Paulo J. Matos
- Re: Accessing function code from CFG
  - From: Diego Novillo

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