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Re: About gimple_body in gimple.h


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.


Diego.


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