> 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
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 that particular exit won't overflow because undefin
