On Tue, 16 Nov 2021, Jan Hubicka wrote:
> >
> > Not sure, tree-ssa-dse.c doesn't seem to handle MEM_REF with offset?
> >
> > VN has adjust_offsets_for_equal_base_address for this purpose. I
> > agree that some common functionality like
> >
> > bool
> > get_relative_extent_of (const ao_ref
>
> Not sure, tree-ssa-dse.c doesn't seem to handle MEM_REF with offset?
>
> VN has adjust_offsets_for_equal_base_address for this purpose. I
> agree that some common functionality like
>
> bool
> get_relative_extent_of (const ao_ref *base, const ao_ref *ref,
>
On Mon, 15 Nov 2021, Jan Hubicka wrote:
> Hi,
> this patch extends tree-ssa-dse to use modref kill summary to clear
> live_bytes. This makes it possible to remove calls that are killed
> in parts.
>
> I noticed that DSE duplicates the logic of tree-ssa-alias that is
> mathing bases of memory
Hi,
this patch extends tree-ssa-dse to use modref kill summary to clear
live_bytes. This makes it possible to remove calls that are killed
in parts.
I noticed that DSE duplicates the logic of tree-ssa-alias that is mathing bases
of memory accesses. Here operands_equal_p (base1, base,
