Re: How to traverse all the local variables that declared in the current routine?

[Richard Biener via Gcc-patches]

On Tue, Nov 24, 2020 at 12:05 AM Qing Zhao via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> Hi,
>
> Does gcc provide an iterator to traverse all the local variables that are 
> declared in the current routine?
>
> If not, what’s the best way to traverse the local variables?

Depends on what for.  There's the source level view you get by walking
BLOCK_VARS of the
scope tree, theres cfun->local_variables (FOR_EACH_LOCAL_DECL) and
there's SSA names
(FOR_EACH_SSA_NAME).

Richard.

>
> Thanks.
>
> Qing