On Tue, 12 Mar 2024, Jakub Jelinek wrote:
> On Tue, Mar 12, 2024 at 01:47:53PM +0100, Richard Biener wrote:
> > > Admittedly the above is the ugliest part of the patch IMHO.
> > > It isn't needed in all cases, but e.g. for the pr112709-2.c (qux) case
> > > we have before ubsan pass
> > > # _7(ab
On Tue, Mar 12, 2024 at 01:47:53PM +0100, Richard Biener wrote:
> > Admittedly the above is the ugliest part of the patch IMHO.
> > It isn't needed in all cases, but e.g. for the pr112709-2.c (qux) case
> > we have before ubsan pass
> > # _7(ab) = PHI <_20(9), _8(ab)(11)>
> > _22 = bar (*_7(ab)
On Tue, 12 Mar 2024, Jakub Jelinek wrote:
> On Tue, Mar 12, 2024 at 11:42:03AM +0100, Richard Biener wrote:
> > > +static edge
> > > +edge_before_returns_twice_call (basic_block bb)
> > > +{
> > > + gimple_stmt_iterator gsi = gsi_start_nondebug_bb (bb);
> > > + gcc_checking_assert (is_gimple_cal
On Tue, Mar 12, 2024 at 11:42:03AM +0100, Richard Biener wrote:
> > +static edge
> > +edge_before_returns_twice_call (basic_block bb)
> > +{
> > + gimple_stmt_iterator gsi = gsi_start_nondebug_bb (bb);
> > + gcc_checking_assert (is_gimple_call (gsi_stmt (gsi))
> > + && (gimple_ca
On Tue, 12 Mar 2024, Jakub Jelinek wrote:
> Hi!
>
> ubsan, asan (both PR112709) and _BitInt lowering (PR113466) want to
> insert some instrumentation or adjustment statements before some statement.
> This unfortunately creates invalid IL if inserting before a returns_twice
> call, because we requ
Hi!
ubsan, asan (both PR112709) and _BitInt lowering (PR113466) want to
insert some instrumentation or adjustment statements before some statement.
This unfortunately creates invalid IL if inserting before a returns_twice
call, because we require that such calls are the first statement in a basic
