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-rw-r--r--gcc/tree-inline.c81
1 files changed, 21 insertions, 60 deletions
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index fc5d2c7..5c49214 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -2001,23 +2001,16 @@ copy_bb (copy_body_data *id, basic_block bb,
edge = id->src_node->get_edge (orig_stmt);
if (edge)
{
- int edge_freq = edge->frequency;
- int new_freq;
struct cgraph_edge *old_edge = edge;
+ profile_count old_cnt = edge->count;
edge = edge->clone (id->dst_node, call_stmt,
gimple_uid (stmt),
- profile_count::one (),
- profile_count::one (),
- CGRAPH_FREQ_BASE,
+ num, den,
true);
- /* We could also just rescale the frequency, but
- doing so would introduce roundoff errors and make
- verifier unhappy. */
- new_freq = compute_call_stmt_bb_frequency (id->dst_node->decl,
- copy_basic_block);
-
- /* Speculative calls consist of two edges - direct and indirect.
- Duplicate the whole thing and distribute frequencies accordingly. */
+
+ /* Speculative calls consist of two edges - direct and
+ indirect. Duplicate the whole thing and distribute
+ frequencies accordingly. */
if (edge->speculative)
{
struct cgraph_edge *direct, *indirect;
@@ -2025,42 +2018,22 @@ copy_bb (copy_body_data *id, basic_block bb,
gcc_assert (!edge->indirect_unknown_callee);
old_edge->speculative_call_info (direct, indirect, ref);
+
+ profile_count indir_cnt = indirect->count;
indirect = indirect->clone (id->dst_node, call_stmt,
gimple_uid (stmt),
- profile_count::one (),
- profile_count::one (),
- CGRAPH_FREQ_BASE,
+ num, den,
true);
- if (old_edge->frequency + indirect->frequency)
- {
- edge->frequency = MIN (RDIV ((gcov_type)new_freq * old_edge->frequency,
- (old_edge->frequency + indirect->frequency)),
- CGRAPH_FREQ_MAX);
- indirect->frequency = MIN (RDIV ((gcov_type)new_freq * indirect->frequency,
- (old_edge->frequency + indirect->frequency)),
- CGRAPH_FREQ_MAX);
- }
+
+ profile_probability prob
+ = indir_cnt.probability_in (old_cnt + indir_cnt);
+ indirect->count
+ = copy_basic_block->count.apply_probability (prob);
+ edge->count = copy_basic_block->count - indirect->count;
id->dst_node->clone_reference (ref, stmt);
}
else
- {
- edge->frequency = new_freq;
- if (dump_file
- && profile_status_for_fn (cfun) != PROFILE_ABSENT
- && (edge_freq > edge->frequency + 10
- || edge_freq < edge->frequency - 10))
- {
- fprintf (dump_file, "Edge frequency estimated by "
- "cgraph %i diverge from inliner's estimate %i\n",
- edge_freq,
- edge->frequency);
- fprintf (dump_file,
- "Orig bb: %i, orig bb freq %i, new bb freq %i\n",
- bb->index,
- bb->count.to_frequency (cfun),
- copy_basic_block->count.to_frequency (cfun));
- }
- }
+ edge->count = copy_basic_block->count;
}
break;
@@ -2103,15 +2076,10 @@ copy_bb (copy_body_data *id, basic_block bb,
if (id->transform_call_graph_edges == CB_CGE_MOVE_CLONES)
id->dst_node->create_edge_including_clones
(dest, orig_stmt, call_stmt, bb->count,
- compute_call_stmt_bb_frequency (id->dst_node->decl,
- copy_basic_block),
CIF_ORIGINALLY_INDIRECT_CALL);
else
id->dst_node->create_edge (dest, call_stmt,
- bb->count,
- compute_call_stmt_bb_frequency
- (id->dst_node->decl,
- copy_basic_block))->inline_failed
+ bb->count)->inline_failed
= CIF_ORIGINALLY_INDIRECT_CALL;
if (dump_file)
{
@@ -4475,7 +4443,6 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
{
cgraph_edge *edge;
tree virtual_offset = NULL;
- int freq = cg_edge->frequency;
profile_count count = cg_edge->count;
tree op;
gimple_stmt_iterator iter = gsi_for_stmt (stmt);
@@ -4485,9 +4452,7 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
gimple_uid (stmt),
profile_count::one (),
profile_count::one (),
- CGRAPH_FREQ_BASE,
true);
- edge->frequency = freq;
edge->count = count;
if (id->src_node->thunk.virtual_offset_p)
virtual_offset = size_int (id->src_node->thunk.virtual_value);
@@ -4709,7 +4674,7 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
print_generic_expr (dump_file, id->src_fn);
fprintf (dump_file, " to ");
print_generic_expr (dump_file, id->dst_fn);
- fprintf (dump_file, " with frequency %i\n", cg_edge->frequency);
+ fprintf (dump_file, " with frequency %i\n", cg_edge->frequency ());
}
/* This is it. Duplicate the callee body. Assume callee is
@@ -6089,20 +6054,16 @@ tree_function_versioning (tree old_decl, tree new_decl,
struct cgraph_edge *e;
rebuild_frequencies ();
- new_version_node->count = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count.ipa ();
+ new_version_node->count = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count;
for (e = new_version_node->callees; e; e = e->next_callee)
{
basic_block bb = gimple_bb (e->call_stmt);
- e->frequency = compute_call_stmt_bb_frequency (current_function_decl,
- bb);
- e->count = bb->count.ipa ();
+ e->count = bb->count;
}
for (e = new_version_node->indirect_calls; e; e = e->next_callee)
{
basic_block bb = gimple_bb (e->call_stmt);
- e->frequency = compute_call_stmt_bb_frequency (current_function_decl,
- bb);
- e->count = bb->count.ipa ();
+ e->count = bb->count;
}
}