https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44563
--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> ---
callgrind shows the cgraph_edge_hasher quite high in the profile (via
redirect_all_calls). I suppose as the large main is a single BB walking
all stmts over-and-over is quite bad. Also hash_pointer isn't inlined!?
Ah - it's external in libiberty hashtab.c ... - it should transition to
using/inheriting from pointer_hash.
cgraph_edge *
cgraph_node::get_edge (gimple call_stmt)
{
cgraph_edge *e, *e2;
int n = 0;
if (call_site_hash)
return call_site_hash->find_with_hash (call_stmt,
htab_hash_pointer (call_stmt));
The estimate_calls_size_and_time portion is quite smaller.
cleanup-cfgs main portion is split_bb_on_noreturn_calls.
