diff options
Diffstat (limited to 'gcc/ipa-inline-transform.c')
-rw-r--r-- | gcc/ipa-inline-transform.c | 54 |
1 files changed, 19 insertions, 35 deletions
diff --git a/gcc/ipa-inline-transform.c b/gcc/ipa-inline-transform.c index 886e8edd473..8e66483016a 100644 --- a/gcc/ipa-inline-transform.c +++ b/gcc/ipa-inline-transform.c @@ -51,39 +51,25 @@ along with GCC; see the file COPYING3. If not see int ncalls_inlined; int nfunctions_inlined; -/* Scale frequency of NODE edges by FREQ_SCALE. */ +/* Scale counts of NODE edges by NUM/DEN. */ static void -update_noncloned_frequencies (struct cgraph_node *node, - int freq_scale, profile_count num, - profile_count den) +update_noncloned_counts (struct cgraph_node *node, + profile_count num, profile_count den) { struct cgraph_edge *e; - bool scale = (num == profile_count::zero () || den > 0); - /* We do not want to ignore high loop nest after freq drops to 0. */ - if (!freq_scale) - freq_scale = 1; + profile_count::adjust_for_ipa_scaling (&num, &den); + for (e = node->callees; e; e = e->next_callee) { - e->frequency = e->frequency * (gcov_type) freq_scale / CGRAPH_FREQ_BASE; - if (e->frequency > CGRAPH_FREQ_MAX) - e->frequency = CGRAPH_FREQ_MAX; if (!e->inline_failed) - update_noncloned_frequencies (e->callee, freq_scale, num, den); - if (scale) - e->count = e->count.apply_scale (num, den); + update_noncloned_counts (e->callee, num, den); + e->count = e->count.apply_scale (num, den); } for (e = node->indirect_calls; e; e = e->next_callee) - { - e->frequency = e->frequency * (gcov_type) freq_scale / CGRAPH_FREQ_BASE; - if (e->frequency > CGRAPH_FREQ_MAX) - e->frequency = CGRAPH_FREQ_MAX; - if (scale) - e->count = e->count.apply_scale (num, den); - } - if (scale) - node->count = node->count.apply_scale (num, den); + e->count = e->count.apply_scale (num, den); + node->count = node->count.apply_scale (num, den); } /* We removed or are going to remove the last call to NODE. @@ -171,12 +157,11 @@ master_clone_with_noninline_clones_p (struct cgraph_node *node) By default the offline copy is removed, when it appears dead after inlining. UPDATE_ORIGINAL prevents this transformation. If OVERALL_SIZE is non-NULL, the size is updated to reflect the - transformation. - FREQ_SCALE specify the scaling of frequencies of call sites. */ + transformation. */ void clone_inlined_nodes (struct cgraph_edge *e, bool duplicate, - bool update_original, int *overall_size, int freq_scale) + bool update_original, int *overall_size) { struct cgraph_node *inlining_into; struct cgraph_edge *next; @@ -220,8 +205,7 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate, } duplicate = false; e->callee->externally_visible = false; - update_noncloned_frequencies (e->callee, e->frequency, - e->count, e->callee->count); + update_noncloned_counts (e->callee, e->count, e->callee->count); dump_callgraph_transformation (e->callee, inlining_into, "inlining to"); @@ -230,11 +214,8 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate, { struct cgraph_node *n; - if (freq_scale == -1) - freq_scale = e->frequency; n = e->callee->create_clone (e->callee->decl, - MIN (e->count, e->callee->count), - freq_scale, + e->count, update_original, vNULL, true, inlining_into, NULL); @@ -252,7 +233,7 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate, { next = e->next_callee; if (!e->inline_failed) - clone_inlined_nodes (e, duplicate, update_original, overall_size, freq_scale); + clone_inlined_nodes (e, duplicate, update_original, overall_size); } } @@ -459,7 +440,7 @@ inline_call (struct cgraph_edge *e, bool update_original, } } - clone_inlined_nodes (e, true, update_original, overall_size, e->frequency); + clone_inlined_nodes (e, true, update_original, overall_size); gcc_assert (curr->callee->global.inlined_to == to); @@ -692,7 +673,10 @@ inline_transform (struct cgraph_node *node) basic_block bb; FOR_ALL_BB_FN (bb, cfun) - bb->count = bb->count.apply_scale (num, den); + if (num == profile_count::zero ()) + bb->count = bb->count.global0 (); + else + bb->count = bb->count.apply_scale (num, den); ENTRY_BLOCK_PTR_FOR_FN (cfun)->count = node->count; } todo = optimize_inline_calls (current_function_decl); |