Re: [GSoC] generation of Gimple loops with empty bodies

[Tobias Grosser <tobias at grosser dot es>]

On 05/07/2014 09:06, Roman Gareev wrote:
> > Sorry, I may have missed it. What kind of error was arising?
>
> Symbol lookup error. The full error message:
>
> /home/roman/compiled/build/graphite_sec/libexec/gcc/x86_64-unknown-linux-gnu/4.10.0/cc1:
> symbol lookup error:
> /home/roman/compiled/build/graphite_sec/libexec/gcc/x86_64-unknown-linux-gnu/4.10.0/cc1:
> undefined symbol: isl_ast_expr_get_val
>
> I've attached the version, which uses isl_val instead of isl_int.

Surprising. Is the symbol defined in libisl.so? You could use objdump to 
check?

> > I see. The way you generate loops seems to be exactly right (at least for
> > now). I only was asking you to add comments explaining why this was done
> > this way. It seems you just went the way of least resistance, but maybe you
> > can use my previous comments to motivate this a little bit more in the
> > source code (I will then go through the comments and add the missing pieces
> > of motivation).
>
> Possible motivation was added to comments of
> graphite_create_new_loop_guard and get_upper_bound. I am ready to add
> something or totally rewrite them.

Sorry, I did not yet find the time to go through this. I will try to do 
this later today.

Tobias