https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84947
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #3)
> bool
> propagate_bits_across_jump_function (cgraph_edge *cs, int idx,
> ipa_jump_func *jfunc,
> ipcp_bits_lattice *dest_lattice)
> {
> ...
> /* For K&R C programs, ipa_get_type() could return NULL_TREE.
> Avoid the transform for these cases. */
> if (!parm_type)
> {
> if (dump_file && (dump_flags & TDF_DETAILS))
> fprintf (dump_file, "Setting dest_lattice to bottom, because"
> " param %i type is NULL for %s\n", idx,
> cs->callee->name ());
>
> return dest_lattice->set_to_bottom ();
> }
>
> unsigned precision = TYPE_PRECISION (parm_type);
> signop sgn = TYPE_SIGN (parm_type);
>
> those two accesses only work for INTEGRAL_TYPE_P types. So maybe
> the !parm_type should be instead
>
> if (!parm_type || !INTEGRAL_TYPE_P (parm_type))
!(INTEGRAL_TYPE_P (parm_type) || POINTER_TYPE_P (parm_type))
of course.
> ? (with appropriate adjustment of the dump message)
Does IPA-CP in any way handle jump functions of float types?
