> Ah, ok. I dove into the code and that indeed seems to be the case.
>
> Why is that function ignoring volatiles but not volatile asms or
> old-style asms? I think the only control-flow transfer asms are
> allowed to make are asm gotos?
You mean
if (gasm *asm_stmt = dyn_cast (t))
if (gim
On Wed, 13 Jul 2016, Jan Hubicka wrote:
> >
> > I'd rather not expose/change need_fake_edge_p as that has a very
> > specific purpose.
> >
> > Why don't you simply add a call to is_ctrl_altering_stmt on the
> > last stmt of the block in loop_only_exit_p? It's a waste of
> > time doing stuff on
>
> I'd rather not expose/change need_fake_edge_p as that has a very
> specific purpose.
>
> Why don't you simply add a call to is_ctrl_altering_stmt on the
> last stmt of the block in loop_only_exit_p? It's a waste of
> time doing stuff on every stmt that can only make a difference
> on the las
On Mon, 11 Jul 2016, Jan Hubicka wrote:
> Hi,
> while looking into loop code I noticed that loop_only_exit_p seems overly
> simplistic. The purpose of this predicate is to decide whether the loop
> must terminate by the exit given (so for example it is known that the number
> of iteration test in
