Existing tree functionality?

[Daniel Berlin]

On Thu, 2005-07-07 at 09:31 -0400, Michael Tegtmeyer wrote:
> I'm using gcc initially to do some static analysis with the resuts being 
> sent somewhere else for the time being. I basically just need to gather 
> the variables with visibility outside of the current function. In addition 
> I need as little tree transformation prior to this collection as 
> possible-ie introduction of new temporaries etc. I scheduled a new pass 
> before pass_all_optimizations that simply has pass_referenced_vars and 
> pass_foo as subpasses where pass_foo does the analysis (simply calls 
> debug_referenced_vars() for the moment).

pass_init_datastructures is still necessary.
If that is being called, then it is likely your code that is doing
something broken, since, as you've said, it works fine otherwise :)