diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ipa-utils.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f829e93..fd92845 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-12-15 Jan Hubicka <hubicka@ucw.cz> + + * ipa-utils.c (ipa_merge_profiles): Do no merging when source function + has zero count. + 2018-12-15 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/88464 diff --git a/gcc/ipa-utils.c b/gcc/ipa-utils.c index 9985721..3345f9d 100644 --- a/gcc/ipa-utils.c +++ b/gcc/ipa-utils.c @@ -402,6 +402,10 @@ ipa_merge_profiles (struct cgraph_node *dst, if (src->profile_id && !dst->profile_id) dst->profile_id = src->profile_id; + /* Merging zero profile to dst is no-op. */ + if (src->count.ipa () == profile_count::zero ()) + return; + /* FIXME when we merge in unknown profile, we ought to set counts as unsafe. */ if (!src->count.initialized_p () |