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* cgraph.c (cgraph_node::dump): Complain about profile insanities. 

From-SVN: r249123
This commit is contained in:
Jan Hubicka 2017-06-12 14:36:47 +02:00 committed by Jan Hubicka
parent 6cddb61ca1
commit 7c41b76e9f
2 changed files with 38 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2017-06-11 Jan Hubicka <hubicka@ucw.cz>
* cgraph.c (cgraph_node::dump): Complain about profile insanities.
2017-06-12 Doug Rupp <rupp@adacore.com> 2017-06-12 Doug Rupp <rupp@adacore.com>
* config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide". * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".

35
gcc/cgraph.c
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@ -2094,7 +2094,7 @@ cgraph_node::dump (FILE *f)
fprintf (f, " Function flags:"); fprintf (f, " Function flags:");
if (count.initialized_p ()) if (count.initialized_p ())
{ {
fprintf (f, " profile_count "); fprintf (f, " count: ");
count.dump (f); count.dump (f);
} }
if (origin) if (origin)
@ -2172,10 +2172,13 @@ cgraph_node::dump (FILE *f)
fprintf (f, " Called by: "); fprintf (f, " Called by: ");
profile_count sum = profile_count::zero ();
for (edge = callers; edge; edge = edge->next_caller) for (edge = callers; edge; edge = edge->next_caller)
{ {
fprintf (f, "%s ", edge->caller->dump_name ()); fprintf (f, "%s ", edge->caller->dump_name ());
edge->dump_edge_flags (f); edge->dump_edge_flags (f);
if (edge->count.initialized_p ())
sum += edge->count;
} }
fprintf (f, "\n Calls: "); fprintf (f, "\n Calls: ");
@ -2186,6 +2189,36 @@ cgraph_node::dump (FILE *f)
} }
fprintf (f, "\n"); fprintf (f, "\n");
if (count.initialized_p ())
{
bool ok = true;
bool min = false;
ipa_ref *ref;
FOR_EACH_ALIAS (this, ref)
if (dyn_cast <cgraph_node *> (ref->referring)->count.initialized_p ())
sum += dyn_cast <cgraph_node *> (ref->referring)->count;
if (global.inlined_to
|| (symtab->state < EXPANSION
&& ultimate_alias_target () == this && only_called_directly_p ()))
ok = !count.differs_from_p (sum);
else if (count > profile_count::from_gcov_type (100)
&& count < sum.apply_scale (99, 100))
ok = false, min = true;
if (!ok)
{
fprintf (f, " Invalid sum of caller counts ");
sum.dump (f);
if (min)
fprintf (f, ", should be at most ");
else
fprintf (f, ", should be ");
count.dump (f);
fprintf (f, "\n");
}
}
for (edge = indirect_calls; edge; edge = edge->next_callee) for (edge = indirect_calls; edge; edge = edge->next_callee)
{ {
if (edge->indirect_info->polymorphic) if (edge->indirect_info->polymorphic)