https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109539
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
The issue is almost certainly the cost of pointers_related_p
Samples: 3M of event 'cycles', Event count (approx.): 3573086788171
Children Self Samples Command Shared Object Symbol
- 93.15% 0.80% 25898 cc1plus cc1plus [.] (anonymous
namespace)::pointers_related_p #
- 92.35% (anonymous namespace)::pointers_related_p
#
- 92.30% (anonymous namespace)::pointers_related_p
#
- 92.21% (anonymous namespace)::pointers_related_p
#
- 92.12% (anonymous namespace)::pointers_related_p
#
- 92.02% (anonymous namespace)::pointers_related_p
#
- 91.93% (anonymous namespace)::pointers_related_p
#
- 91.84% (anonymous namespace)::pointers_related_p
#
- 91.75% (anonymous namespace)::pointers_related_p
#
- 91.66% (anonymous namespace)::pointers_related_p
#
- 91.57% (anonymous
namespace)::pointers_related_p #
- 91.48% (anonymous
namespace)::pointers_related_p #
- 91.39% (anonymous
namespace)::pointers_related_p #
- 87.34% (anonymous
namespace)::pointers_related_p #
- 62.30% (anonymous
namespace)::pointers_related_p #
- 44.52% pointer_query::get_ref
#
- 44.51% compute_objsize
#
+ 15.03%
access_ref::size_remaining #
+ 14.49% wide_int_to_tree
#
+ 4.91%
generic_wide_int<fixed_wide_int_storage<128> >::operat#
+ 4.57% operator<
<generic_wide_int<fixed_wide_int_storage<128#
+ 2.41% poly_int<1u,
generic_wide_int<wide_int_ref_storage<fal#
+ 1.15%
pointer_query::~pointer_query #
0.80%
pointer_query::pointer_query #
0.78% compute_objsize_r
#
- 14.08% (anonymous
namespace)::pointers_related_p #
+ 6.14% access_ref::access_ref
#
+ 4.53% pointer_query::get_ref
#
+ 2.07% ptr_derefs_may_alias_p
#
+ 3.70% access_ref::access_ref
#
+ 25.03% pointer_query::get_ref
#
+ 4.04% pointer_query::get_ref
