diff options
Diffstat (limited to 'gcc/ipa-inline-analysis.c')
| -rw-r--r-- | gcc/ipa-inline-analysis.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ipa-inline-analysis.c b/gcc/ipa-inline-analysis.c index c471e0cd899..dfe305810fc 100644 --- a/gcc/ipa-inline-analysis.c +++ b/gcc/ipa-inline-analysis.c @@ -671,6 +671,11 @@ dump_inline_hints (FILE *f, inline_hints hints) hints &= ~INLINE_HINT_array_index; fprintf (f, " array_index"); } + if (hints & INLINE_HINT_known_hot) + { + hints &= ~INLINE_HINT_known_hot; + fprintf (f, " known_hot"); + } gcc_assert (!hints); } @@ -3666,6 +3671,17 @@ do_estimate_edge_time (struct cgraph_edge *edge) &known_aggs); estimate_node_size_and_time (callee, clause, known_vals, known_binfos, known_aggs, &size, &min_size, &time, &hints, es->param); + + /* When we have profile feedback, we can quite safely identify hot + edges and for those we disable size limits. Don't do that when + probability that caller will call the callee is low however, since it + may hurt optimization of the caller's hot path. */ + if (edge->count && cgraph_maybe_hot_edge_p (edge) + && (edge->count * 2 + > (edge->caller->global.inlined_to + ? edge->caller->global.inlined_to->count : edge->caller->count))) + hints |= INLINE_HINT_known_hot; + known_vals.release (); known_binfos.release (); known_aggs.release (); |