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Re: How does one traverse all the global decls
On Thu, Aug 22, 2019 at 11:16 AM Martin Jambor <mjambor@suse.cz> wrote:
>
> Hi,
>
> On Wed, Aug 21 2019, Gary Oblock wrote:
> > I'm trying to do some analysis code for an optimization
> > that involves my code looking at all the declarations and
> > types there of during the link time optimizations.
> >
> > Note, doing this for the local variables seems to be trivial
> > because of FOR_EACH_LOCAL_DECL and there are also
> > obvious ways of getting at the type information once I have
> > a decl. However, I can't seem to find any similar way of
> > getting at the global level decls.
> >
> > I'd appreciate your help on this.
> >
>
> Look at FOR_EACH_VARIABLE defined in cgraph.h (because symtab.h does not
> exist) and it's various uses throughout the compiler.
There's also IPA-REFs so you can iterate over references of global
variables (not sure if there's a nice FOR_EACH interface for that).
Richard.
>
> Martin