About gimple_body in gimple.h

[Manuel López-Ibáñez]

On 28 June 2010 15:48, Diego Novillo <dnovillo@google.com> wrote:
> On Mon, Jun 28, 2010 at 09:38,  <jeremie.salvucci@free.fr> wrote:
>> Hello all,
>>
>> I would like to know why does gimple_body returns NULL pointer when I try to use it after the "cfg" pass ? Does someone have informations about the general use of it ?
>
> Because the body has been split up into the basic blocks of the CFG.
> You need        to use the basic block iterators to traverse the CFG (e.g.,
> FOR_EACH_BB_FN()).
>
>> Because I am trying to traverse instructions from a C program thanks to MELT (cf MELT branch) and I don't know if I have to traverse basic blocks with FOR_EACH_BB_FN iterator or if there is another solution with gimple_body. Basile believes that gimple_body is nearly useless.
>
> It is once the CFG has been built, yes.

Jeremie, it may help future users if you added this information to the
comment above gimple_body. I think such a small patch wouldn't need
any copyright assignment.

Thanks,

Manuel.