diff options
Diffstat (limited to 'gcc-4.9/gcc/ipa-inline-transform.c')
| -rw-r--r-- | gcc-4.9/gcc/ipa-inline-transform.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/ipa-inline-transform.c b/gcc-4.9/gcc/ipa-inline-transform.c index aaf427d12..69598b3c8 100644 --- a/gcc-4.9/gcc/ipa-inline-transform.c +++ b/gcc-4.9/gcc/ipa-inline-transform.c @@ -186,8 +186,14 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate, else { struct cgraph_node *n; - if (flag_auto_profile && L_IPO_COMP_MODE - && cgraph_pre_profiling_inlining_done) + /* Disable updating of callee count if caller is not the resolved node + to avoid multiple updates of the callee's profile when inlining + into COMDAT copies. Both AutoFDO and regular FDO will have the + same edge counts for all unresolved nodes. In AutoFDO this is due + to profile correlation by function name and source position. In + regular FDO this is due to COMDAT profile merging performed on the + dynamic callgraph at the end of LIPO profiling. */ + if (L_IPO_COMP_MODE && cgraph_pre_profiling_inlining_done) { struct cgraph_node *caller = e->caller; if (caller->global.inlined_to) |