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cgraph.h (cgraph_edge::clone): Update prototype.

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* cgraph.h (cgraph_edge::clone): Update prototype.
	* cgraphclones.c (cgraph_edge::clone): Update profile scaling.
	(cgraph_node::create_clone): Update.
	(cgraph_node::create_version_clone): Update.
	* tree-inline.c (copy_bb): Update.
	(expand_call_inline): Update.

From-SVN: r249097
This commit is contained in:
Jan Hubicka 2017-06-11 01:07:11 +02:00 committed by Jan Hubicka
parent 9a58d6cdbf
commit 1511c8c005
4 changed files with 32 additions and 25 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2017-06-10 Jan Hubicka <hubicka@ucw.cz>
* cgraph.h (cgraph_edge::clone): Update prototype.
* cgraphclones.c (cgraph_edge::clone): Update profile scaling.
(cgraph_node::create_clone): Update.
(cgraph_node::create_version_clone): Update.
* tree-inline.c (copy_bb): Update.
(expand_call_inline): Update.
2017-06-10 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.c (emit_vrsave_prologue): New function,

2
gcc/cgraph.h
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@ -1649,7 +1649,7 @@ struct GTY((chain_next ("%h.next_caller"), chain_prev ("%h.prev_caller"),
/* Create clone of edge in the node N represented
by CALL_EXPR the callgraph. */
cgraph_edge * clone (cgraph_node *n, gcall *call_stmt, unsigned stmt_uid,
gcov_type count_scale, int freq_scale,
profile_count num, profile_count den, int freq_scale,
bool update_original);
/* Verify edge count and frequency. */

34
gcc/cgraphclones.c
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@ -86,10 +86,13 @@ along with GCC; see the file COPYING3. If not see
cgraph_edge *
cgraph_edge::clone (cgraph_node *n, gcall *call_stmt, unsigned stmt_uid,
gcov_type count_scale, int freq_scale, bool update_original)
profile_count num, profile_count den,
int freq_scale, bool update_original)
{
cgraph_edge *new_edge;
profile_count gcov_count = count.apply_scale (count_scale, REG_BR_PROB_BASE);
profile_count gcov_count
= (num == profile_count::zero () || den > 0)
? count.apply_scale (num, den) : count;
gcov_type freq;
/* We do not want to ignore loop nest after frequency drops to 0. */
@ -116,7 +119,7 @@ cgraph_edge::clone (cgraph_node *n, gcall *call_stmt, unsigned stmt_uid,
{
new_edge = n->create_indirect_edge (call_stmt,
indirect_info->ecf_flags,
count, freq, false);
gcov_count, freq, false);
*new_edge->indirect_info = *indirect_info;
}
}
@ -428,7 +431,6 @@ cgraph_node::create_clone (tree new_decl, profile_count prof_count, int freq,
{
cgraph_node *new_node = symtab->create_empty ();
cgraph_edge *e;
gcov_type count_scale;
unsigned i;
if (new_inlined_to)
@ -453,7 +455,6 @@ cgraph_node::create_clone (tree new_decl, profile_count prof_count, int freq,
new_node->global = global;
new_node->global.inlined_to = new_inlined_to;
new_node->rtl = rtl;
new_node->count = count;
new_node->frequency = frequency;
new_node->tp_first_run = tp_first_run;
new_node->tm_clone = tm_clone;
@ -475,18 +476,6 @@ cgraph_node::create_clone (tree new_decl, profile_count prof_count, int freq,
else
new_node->clone.combined_args_to_skip = args_to_skip;
if (count.initialized_p ())
{
if (new_node->count > count)
count_scale = REG_BR_PROB_BASE;
else
count_scale = new_node->count.probability_in (count);
}
else
count_scale = 0;
if (update_original)
count -= prof_count;
FOR_EACH_VEC_ELT (redirect_callers, i, e)
{
/* Redirect calls to the old version node to point to its new
@ -500,12 +489,12 @@ cgraph_node::create_clone (tree new_decl, profile_count prof_count, int freq,
new_node->expand_all_artificial_thunks ();
for (e = callees;e; e=e->next_callee)
e->clone (new_node, e->call_stmt, e->lto_stmt_uid, count_scale,
e->clone (new_node, e->call_stmt, e->lto_stmt_uid, new_node->count, count,
freq, update_original);
for (e = indirect_calls; e; e = e->next_callee)
e->clone (new_node, e->call_stmt, e->lto_stmt_uid,
count_scale, freq, update_original);
new_node->count, count, freq, update_original);
new_node->clone_references (this);
new_node->next_sibling_clone = clones;
@ -514,6 +503,9 @@ cgraph_node::create_clone (tree new_decl, profile_count prof_count, int freq,
clones = new_node;
new_node->clone_of = this;
if (update_original)
count -= prof_count;
if (call_duplication_hook)
symtab->call_cgraph_duplication_hooks (this, new_node);
@ -911,14 +903,14 @@ cgraph_node::create_version_clone (tree new_decl,
if (!bbs_to_copy
|| bitmap_bit_p (bbs_to_copy, gimple_bb (e->call_stmt)->index))
e->clone (new_version, e->call_stmt,
e->lto_stmt_uid, REG_BR_PROB_BASE,
e->lto_stmt_uid, count, count,
CGRAPH_FREQ_BASE,
true);
for (e = indirect_calls; e; e=e->next_callee)
if (!bbs_to_copy
|| bitmap_bit_p (bbs_to_copy, gimple_bb (e->call_stmt)->index))
e->clone (new_version, e->call_stmt,
e->lto_stmt_uid, REG_BR_PROB_BASE,
e->lto_stmt_uid, count, count,
CGRAPH_FREQ_BASE,
true);
FOR_EACH_VEC_ELT (redirect_callers, i, e)

12
gcc/tree-inline.c
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@ -2009,7 +2009,9 @@ copy_bb (copy_body_data *id, basic_block bb, int frequency_scale,
struct cgraph_edge *old_edge = edge;
edge = edge->clone (id->dst_node, call_stmt,
gimple_uid (stmt),
REG_BR_PROB_BASE, CGRAPH_FREQ_BASE,
profile_count::one (),
profile_count::one (),
CGRAPH_FREQ_BASE,
true);
/* We could also just rescale the frequency, but
doing so would introduce roundoff errors and make
@ -2028,7 +2030,9 @@ copy_bb (copy_body_data *id, basic_block bb, int frequency_scale,
old_edge->speculative_call_info (direct, indirect, ref);
indirect = indirect->clone (id->dst_node, call_stmt,
gimple_uid (stmt),
REG_BR_PROB_BASE, CGRAPH_FREQ_BASE,
profile_count::one (),
profile_count::one (),
CGRAPH_FREQ_BASE,
true);
if (old_edge->frequency + indirect->frequency)
{
@ -4509,7 +4513,9 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
cg_edge->remove ();
edge = id->src_node->callees->clone (id->dst_node, call_stmt,
gimple_uid (stmt),
REG_BR_PROB_BASE, CGRAPH_FREQ_BASE,
profile_count::one (),
profile_count::one (),
CGRAPH_FREQ_BASE,
true);
edge->frequency = freq;
edge->count = count;