/* Special condition code we use to represent test that operand is compile time
constant. */
#define IS_NOT_CONSTANT ERROR_MARK
+/* Special condition code we use to represent test that operand is not changed
+ across invocation of the function. When operand IS_NOT_CONSTANT it is always
+ CHANGED, however i.e. loop invariants can be NOT_CHANGED given percentage
+ of executions even when they are not compile time constants. */
+#define CHANGED IDENTIFIER_NODE
/* Holders of ipa cgraph hooks: */
static struct cgraph_node_hook_list *function_insertion_hook_holder;
/* Look for clauses that are obviously true. I.e.
op0 == 5 || op0 != 5. */
for (c1 = predicate_first_dynamic_condition; c1 < NUM_CONDITIONS; c1++)
- for (c2 = c1 + 1; c2 <= NUM_CONDITIONS; c2++)
- if ((clause & (1 << c1))
- && (clause & (1 << c2)))
- {
- condition *cc1 = VEC_index (condition,
- conditions,
- c1 - predicate_first_dynamic_condition);
- condition *cc2 = VEC_index (condition,
- conditions,
- c2 - predicate_first_dynamic_condition);
- if (cc1->operand_num == cc2->operand_num
- && cc1->val == cc2->val
- && cc1->code == invert_tree_comparison (cc2->code,
- HONOR_NANS (TYPE_MODE (TREE_TYPE (cc1->val)))))
- return;
- }
+ {
+ condition *cc1;
+ if (!(clause & (1 << c1)))
+ continue;
+ cc1 = VEC_index (condition,
+ conditions,
+ c1 - predicate_first_dynamic_condition);
+ /* We have no way to represent !CHANGED and !IS_NOT_CONSTANT
+ and thus there is no point for looking for them. */
+ if (cc1->code == CHANGED
+ || cc1->code == IS_NOT_CONSTANT)
+ continue;
+ for (c2 = c1 + 1; c2 <= NUM_CONDITIONS; c2++)
+ if (clause & (1 << c2))
+ {
+ condition *cc1 = VEC_index (condition,
+ conditions,
+ c1 - predicate_first_dynamic_condition);
+ condition *cc2 = VEC_index (condition,
+ conditions,
+ c2 - predicate_first_dynamic_condition);
+ if (cc1->operand_num == cc2->operand_num
+ && cc1->val == cc2->val
+ && cc2->code != IS_NOT_CONSTANT
+ && cc2->code != CHANGED
+ && cc1->code == invert_tree_comparison
+ (cc2->code,
+ HONOR_NANS (TYPE_MODE (TREE_TYPE (cc1->val)))))
+ return;
+ }
+ }
/* We run out of variants. Be conservative in positive direction. */
return true;
}
+/* Return the probability in range 0...REG_BR_PROB_BASE that the predicated
+ instruction will be recomputed per invocation of the inlined call. */
+
+static int
+predicate_probability (conditions conds,
+ struct predicate *p, clause_t possible_truths,
+ VEC (inline_param_summary_t, heap) *inline_param_summary)
+{
+ int i;
+ int combined_prob = REG_BR_PROB_BASE;
+
+ /* True remains true. */
+ if (true_predicate_p (p))
+ return REG_BR_PROB_BASE;
+
+ if (false_predicate_p (p))
+ return 0;
+
+ gcc_assert (!(possible_truths & (1 << predicate_false_condition)));
+
+ /* See if we can find clause we can disprove. */
+ for (i = 0; p->clause[i]; i++)
+ {
+ gcc_checking_assert (i < MAX_CLAUSES);
+ if (!(p->clause[i] & possible_truths))
+ return 0;
+ else
+ {
+ int this_prob = 0;
+ int i2;
+ if (!inline_param_summary)
+ return REG_BR_PROB_BASE;
+ for (i2 = 0; i2 < NUM_CONDITIONS; i2++)
+ if ((p->clause[i] & possible_truths) & (1 << i2))
+ {
+ if (i2 >= predicate_first_dynamic_condition)
+ {
+ condition *c = VEC_index
+ (condition, conds,
+ i2 - predicate_first_dynamic_condition);
+ if (c->code == CHANGED
+ && (c->operand_num
+ < VEC_length (inline_param_summary_t,
+ inline_param_summary)))
+ {
+ int iprob = VEC_index (inline_param_summary_t,
+ inline_param_summary,
+ c->operand_num)->change_prob;
+ this_prob = MAX (this_prob, iprob);
+ }
+ else
+ this_prob = REG_BR_PROB_BASE;
+ }
+ else
+ this_prob = REG_BR_PROB_BASE;
+ }
+ combined_prob = MIN (this_prob, combined_prob);
+ if (!combined_prob)
+ return 0;
+ }
+ }
+ return combined_prob;
+}
+
/* Dump conditional COND. */
fprintf (f, "not inlined");
else
{
- c = VEC_index (condition, conditions, cond - predicate_first_dynamic_condition);
+ c = VEC_index (condition, conditions,
+ cond - predicate_first_dynamic_condition);
fprintf (f, "op%i", c->operand_num);
if (c->code == IS_NOT_CONSTANT)
{
fprintf (f, " not constant");
return;
}
+ if (c->code == CHANGED)
+ {
+ fprintf (f, " changed");
+ return;
+ }
fprintf (f, " %s ", op_symbol_code (c->code));
print_generic_expr (f, c->val, 1);
}
/* KNOWN_VALS is partial mapping of parameters of NODE to constant values.
Return clause of possible truths. When INLINE_P is true, assume that
- we are inlining. */
+ we are inlining.
+
+ ERROR_MARK means compile time invariant. */
static clause_t
evaluate_conditions_for_known_args (struct cgraph_node *node,
else
val = NULL;
+ if (val == error_mark_node && c->code != CHANGED)
+ val = NULL;
+
if (!val)
{
clause |= 1 << (i + predicate_first_dynamic_condition);
continue;
}
- if (c->code == IS_NOT_CONSTANT)
+ if (c->code == IS_NOT_CONSTANT || c->code == CHANGED)
continue;
res = fold_binary_to_constant (c->code, boolean_type_node, val, c->val);
if (res
{
struct ipa_node_params *parms_info;
struct ipa_edge_args *args = IPA_EDGE_REF (e);
+ struct inline_edge_summary *es = inline_edge_summary (e);
int i, count = ipa_get_cs_argument_count (args);
VEC (tree, heap) *known_vals = NULL;
ipa_get_ith_jump_func (args, i));
if (cst)
VEC_replace (tree, known_vals, i, cst);
+ else if (inline_p
+ && !VEC_index (inline_param_summary_t,
+ es->param,
+ i)->change_prob)
+ VEC_replace (tree, known_vals, i, error_mark_node);
}
clause = evaluate_conditions_for_known_args (callee,
inline_p, known_vals);
sizeof (struct inline_edge_summary));
info->predicate = NULL;
edge_set_predicate (dst, srcinfo->predicate);
+ info->param = VEC_copy (inline_param_summary_t, heap, srcinfo->param);
}
{
if (edge_growth_cache)
reset_edge_growth_cache (edge);
- if (edge->uid < (int)VEC_length (inline_edge_summary_t, inline_edge_summary_vec))
+ if (edge->uid
+ < (int)VEC_length (inline_edge_summary_t, inline_edge_summary_vec))
{
edge_set_predicate (edge, NULL);
- memset (inline_edge_summary (edge), 0, sizeof (struct inline_edge_summary));
+ VEC_free (inline_param_summary_t, heap,
+ inline_edge_summary (edge)->param);
+ memset (inline_edge_summary (edge), 0,
+ sizeof (struct inline_edge_summary));
}
}
{
struct inline_edge_summary *es = inline_edge_summary (edge);
struct cgraph_node *callee = cgraph_function_or_thunk_node (edge->callee, NULL);
+ int i;
+
fprintf (f, "%*s%s/%i %s\n%*s loop depth:%2i freq:%4i size:%2i time: %2i callee size:%2i stack:%2i",
indent, "", cgraph_node_name (callee),
callee->uid,
edge->frequency,
es->call_stmt_size,
es->call_stmt_time,
- (int)inline_summary (callee)->size,
+ (int)inline_summary (callee)->size / INLINE_SIZE_SCALE,
(int)inline_summary (callee)->estimated_stack_size);
+
if (es->predicate)
{
fprintf (f, " predicate: ");
}
else
fprintf (f, "\n");
+ if (es->param)
+ for (i = 0; i < (int)VEC_length (inline_param_summary_t, es->param);
+ i++)
+ {
+ int prob = VEC_index (inline_param_summary_t,
+ es->param, i)->change_prob;
+
+ if (!prob)
+ fprintf (f, "%*s op%i is compile time invariant\n",
+ indent + 2, "", i);
+ else if (prob != REG_BR_PROB_BASE)
+ fprintf (f, "%*s op%i change %f%% of time\n", indent + 2, "", i,
+ prob * 100.0 / REG_BR_PROB_BASE);
+ }
if (!edge->inline_failed)
{
- fprintf (f, "%*sStack frame offset %i, callee self size %i, callee size %i\n",
+ fprintf (f, "%*sStack frame offset %i, callee self size %i,"
+ " callee size %i\n",
indent+2, "",
(int)inline_summary (callee)->stack_frame_offset,
(int)inline_summary (callee)->estimated_self_stack_size,
{
struct inline_edge_summary *es = inline_edge_summary (edge);
fprintf (f, "%*sindirect call loop depth:%2i freq:%4i size:%2i"
- " time: %2i\n",
+ " time: %2i",
indent, "",
es->loop_depth,
edge->frequency,
(stmt, get_base_address (gimple_assign_rhs1 (stmt)));
p = add_condition (summary,
ipa_get_param_decl_index (info, parm),
- IS_NOT_CONSTANT, NULL);
+ CHANGED, NULL);
op_non_const = or_predicates (summary->conds, &p, &op_non_const);
}
FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_USE)
if (parm && ipa_get_param_decl_index (info, parm) >= 0)
p = add_condition (summary,
ipa_get_param_decl_index (info, parm),
- IS_NOT_CONSTANT, NULL);
+ CHANGED, NULL);
else
p = *VEC_index (predicate_t, nonconstant_names,
SSA_NAME_VERSION (use));
return op_non_const;
}
+struct record_modified_bb_info
+{
+ bitmap bb_set;
+ gimple stmt;
+};
+
+/* Callback of walk_aliased_vdefs. Records basic blocks where the value may be
+ set except for info->stmt. */
+
+static bool
+record_modified (ao_ref *ao ATTRIBUTE_UNUSED, tree vdef,
+ void *data)
+{
+ struct record_modified_bb_info *info = (struct record_modified_bb_info *) data;
+ if (SSA_NAME_DEF_STMT (vdef) == info->stmt)
+ return false;
+ bitmap_set_bit (info->bb_set,
+ SSA_NAME_IS_DEFAULT_DEF (vdef)
+ ? ENTRY_BLOCK_PTR->index : gimple_bb (SSA_NAME_DEF_STMT (vdef))->index);
+ return false;
+}
+
+/* Return probability (based on REG_BR_PROB_BASE) that I-th parameter of STMT
+ will change since last invocation of STMT.
+
+ Value 0 is reserved for compile time invariants.
+ For common parameters it is REG_BR_PROB_BASE. For loop invariants it
+ ought to be REG_BR_PROB_BASE / estimated_iters. */
+
+static int
+param_change_prob (gimple stmt, int i)
+{
+ tree op = gimple_call_arg (stmt, i);
+ basic_block bb = gimple_bb (stmt);
+ tree base;
+
+ if (is_gimple_min_invariant (op))
+ return 0;
+ /* We would have to do non-trivial analysis to really work out what
+ is the probability of value to change (i.e. when init statement
+ is in a sibling loop of the call).
+
+ We do an conservative estimate: when call is executed N times more often
+ than the statement defining value, we take the frequency 1/N. */
+ if (TREE_CODE (op) == SSA_NAME)
+ {
+ int init_freq;
+
+ if (!bb->frequency)
+ return REG_BR_PROB_BASE;
+
+ if (SSA_NAME_IS_DEFAULT_DEF (op))
+ init_freq = ENTRY_BLOCK_PTR->frequency;
+ else
+ init_freq = gimple_bb (SSA_NAME_DEF_STMT (op))->frequency;
+
+ if (!init_freq)
+ init_freq = 1;
+ if (init_freq < bb->frequency)
+ return MAX ((init_freq * REG_BR_PROB_BASE +
+ bb->frequency / 2) / bb->frequency, 1);
+ else
+ return REG_BR_PROB_BASE;
+ }
+
+ base = get_base_address (op);
+ if (base)
+ {
+ ao_ref refd;
+ int max;
+ struct record_modified_bb_info info;
+ bitmap_iterator bi;
+ unsigned index;
+
+ if (const_value_known_p (base))
+ return 0;
+ if (!bb->frequency)
+ return REG_BR_PROB_BASE;
+ ao_ref_init (&refd, op);
+ info.stmt = stmt;
+ info.bb_set = BITMAP_ALLOC (NULL);
+ walk_aliased_vdefs (&refd, gimple_vuse (stmt), record_modified, &info,
+ NULL);
+ if (bitmap_bit_p (info.bb_set, bb->index))
+ {
+ BITMAP_FREE (info.bb_set);
+ return REG_BR_PROB_BASE;
+ }
+
+ /* Assume that every memory is initialized at entry.
+ TODO: Can we easilly determine if value is always defined
+ and thus we may skip entry block? */
+ if (ENTRY_BLOCK_PTR->frequency)
+ max = ENTRY_BLOCK_PTR->frequency;
+ else
+ max = 1;
+
+ EXECUTE_IF_SET_IN_BITMAP (info.bb_set, 0, index, bi)
+ max = MIN (max, BASIC_BLOCK (index)->frequency);
+
+ BITMAP_FREE (info.bb_set);
+ if (max < bb->frequency)
+ return MAX ((max * REG_BR_PROB_BASE +
+ bb->frequency / 2) / bb->frequency, 1);
+ else
+ return REG_BR_PROB_BASE;
+ }
+ return REG_BR_PROB_BASE;
+}
+
/* Compute function body size parameters for NODE.
When EARLY is true, we compute only simple summaries without
{
struct predicate false_p = false_predicate ();
VEC_replace (predicate_t, nonconstant_names,
- SSA_NAME_VERSION (gimple_call_lhs (stmt)), &false_p);
+ SSA_NAME_VERSION (gimple_call_lhs (stmt)),
+ &false_p);
+ }
+ if (ipa_node_params_vector)
+ {
+ int count = gimple_call_num_args (stmt);
+ int i;
+
+ if (count)
+ VEC_safe_grow_cleared (inline_param_summary_t, heap,
+ es->param, count);
+ for (i = 0; i < count; i++)
+ {
+ int prob = param_change_prob (stmt, i);
+ gcc_assert (prob >= 0 && prob <= REG_BR_PROB_BASE);
+ VEC_index (inline_param_summary_t,
+ es->param, i)->change_prob = prob;
+ }
}
es->call_stmt_size = this_size;
/* Increase SIZE and TIME for size and time needed to handle edge E. */
static void
-estimate_edge_size_and_time (struct cgraph_edge *e, int *size, int *time)
+estimate_edge_size_and_time (struct cgraph_edge *e, int *size, int *time,
+ int prob)
{
struct inline_edge_summary *es = inline_edge_summary (e);
*size += es->call_stmt_size * INLINE_SIZE_SCALE;
- *time += (es->call_stmt_time
+ *time += (es->call_stmt_time * prob / REG_BR_PROB_BASE
* e->frequency * (INLINE_TIME_SCALE / CGRAPH_FREQ_BASE));
if (*time > MAX_TIME * INLINE_TIME_SCALE)
*time = MAX_TIME * INLINE_TIME_SCALE;
if (!es->predicate || evaluate_predicate (es->predicate, possible_truths))
{
if (e->inline_failed)
- estimate_edge_size_and_time (e, size, time);
+ {
+ /* Predicates of calls shall not use NOT_CHANGED codes,
+ sowe do not need to compute probabilities. */
+ estimate_edge_size_and_time (e, size, time, REG_BR_PROB_BASE);
+ }
else
estimate_calls_size_and_time (e->callee, size, time,
possible_truths);
{
struct inline_edge_summary *es = inline_edge_summary (e);
if (!es->predicate || evaluate_predicate (es->predicate, possible_truths))
- estimate_edge_size_and_time (e, size, time);
+ estimate_edge_size_and_time (e, size, time, REG_BR_PROB_BASE);
}
}
static void
estimate_node_size_and_time (struct cgraph_node *node,
clause_t possible_truths,
- int *ret_size, int *ret_time)
+ int *ret_size, int *ret_time,
+ VEC (inline_param_summary_t, heap)
+ *inline_param_summary)
{
struct inline_summary *info = inline_summary (node);
size_time_entry *e;
for (i = 0; VEC_iterate (size_time_entry, info->entry, i, e); i++)
if (evaluate_predicate (&e->predicate, possible_truths))
- time += e->time, size += e->size;
+ {
+ size += e->size;
+ if (!inline_param_summary)
+ time += e->time;
+ else
+ {
+ int prob = predicate_probability (info->conds,
+ &e->predicate,
+ possible_truths,
+ inline_param_summary);
+ time += e->time * prob / REG_BR_PROB_BASE;
+ }
+
+ }
if (time > MAX_TIME * INLINE_TIME_SCALE)
time = MAX_TIME * INLINE_TIME_SCALE;
clause_t clause;
clause = evaluate_conditions_for_known_args (node, false, known_vals);
- estimate_node_size_and_time (node, clause, ret_size, ret_time);
+ estimate_node_size_and_time (node, clause, ret_size, ret_time,
+ NULL);
}
-/* Translate all conditions from callee representation into caller representation and
- symbolically evaluate predicate P into new predicate.
+/* Translate all conditions from callee representation into caller
+ representation and symbolically evaluate predicate P into new predicate.
- INFO is inline_summary of function we are adding predicate into, CALLEE_INFO is summary
- of function predicate P is from. OPERAND_MAP is array giving callee formal IDs the
- caller formal IDs. POSSSIBLE_TRUTHS is clausule of all callee conditions that
- may be true in caller context. TOPLEV_PREDICATE is predicate under which callee
- is executed. */
+ INFO is inline_summary of function we are adding predicate into,
+ CALLEE_INFO is summary of function predicate P is from. OPERAND_MAP is
+ array giving callee formal IDs the caller formal IDs. POSSSIBLE_TRUTHS is
+ clausule of all callee conditions that may be true in caller context.
+ TOPLEV_PREDICATE is predicate under which callee is executed. */
static struct predicate
-remap_predicate (struct inline_summary *info, struct inline_summary *callee_info,
+remap_predicate (struct inline_summary *info,
+ struct inline_summary *callee_info,
struct predicate *p,
VEC (int, heap) *operand_map,
clause_t possible_truths,
inline_edge_summary (e)->loop_depth += depth;
}
+/* Update change_prob of EDGE after INLINED_EDGE has been inlined.
+ When functoin A is inlined in B and A calls C with parameter that
+ changes with probability PROB1 and C is known to be passthroug
+ of argument if B that change with probability PROB2, the probability
+ of change is now PROB1*PROB2. */
+
+static void
+remap_edge_change_prob (struct cgraph_edge *inlined_edge,
+ struct cgraph_edge *edge)
+{
+ if (ipa_node_params_vector)
+ {
+ int i;
+ struct ipa_edge_args *args = IPA_EDGE_REF (edge);
+ struct inline_edge_summary *es = inline_edge_summary (edge);
+ struct inline_edge_summary *inlined_es
+ = inline_edge_summary (inlined_edge);
+
+ for (i = 0; i < ipa_get_cs_argument_count (args); i++)
+ {
+ struct ipa_jump_func *jfunc = ipa_get_ith_jump_func (args, i);
+ if (jfunc->type == IPA_JF_PASS_THROUGH
+ && (jfunc->value.pass_through.formal_id
+ < VEC_length (inline_param_summary_t,
+ inlined_es->param)))
+ {
+ int prob1 = VEC_index (inline_param_summary_t,
+ es->param, i)->change_prob;
+ int prob2 = VEC_index
+ (inline_param_summary_t,
+ inlined_es->param,
+ jfunc->value.pass_through.formal_id)->change_prob;
+ int prob = ((prob1 * prob2 + REG_BR_PROB_BASE / 2)
+ / REG_BR_PROB_BASE);
+
+ if (prob1 && prob2 && !prob)
+ prob = 1;
+
+ VEC_index (inline_param_summary_t,
+ es->param, i)->change_prob = prob;
+ }
+ }
+ }
+}
+
+/* Update edge summaries of NODE after INLINED_EDGE has been inlined.
+
+ Remap predicates of callees of NODE. Rest of arguments match
+ remap_predicate.
-/* Remap predicates of callees of NODE. Rest of arguments match
- remap_predicate. */
+ Also update change probabilities. */
static void
-remap_edge_predicates (struct cgraph_node *node,
+remap_edge_summaries (struct cgraph_edge *inlined_edge,
+ struct cgraph_node *node,
struct inline_summary *info,
struct inline_summary *callee_info,
VEC (int, heap) *operand_map,
{
struct inline_edge_summary *es = inline_edge_summary (e);
struct predicate p;
+
if (e->inline_failed)
{
+ remap_edge_change_prob (inlined_edge, e);
+
if (es->predicate)
{
p = remap_predicate (info, callee_info,
es->predicate, operand_map, possible_truths,
toplev_predicate);
edge_set_predicate (e, &p);
- /* TODO: We should remove the edge for code that will be optimized out,
- but we need to keep verifiers and tree-inline happy.
- Make it cold for now. */
+ /* TODO: We should remove the edge for code that will be
+ optimized out, but we need to keep verifiers and tree-inline
+ happy. Make it cold for now. */
if (false_predicate_p (&p))
{
e->count = 0;
edge_set_predicate (e, toplev_predicate);
}
else
- remap_edge_predicates (e->callee, info, callee_info, operand_map,
- possible_truths, toplev_predicate);
+ remap_edge_summaries (inlined_edge, e->callee, info, callee_info,
+ operand_map, possible_truths, toplev_predicate);
}
for (e = node->indirect_calls; e; e = e->next_callee)
{
struct inline_edge_summary *es = inline_edge_summary (e);
struct predicate p;
+
+ remap_edge_change_prob (inlined_edge, e);
if (es->predicate)
{
p = remap_predicate (info, callee_info,
es->predicate, operand_map, possible_truths,
toplev_predicate);
edge_set_predicate (e, &p);
- /* TODO: We should remove the edge for code that will be optimized out,
- but we need to keep verifiers and tree-inline happy.
+ /* TODO: We should remove the edge for code that will be optimized
+ out, but we need to keep verifiers and tree-inline happy.
Make it cold for now. */
if (false_predicate_p (&p))
{
struct predicate p = remap_predicate (info, callee_info,
&e->predicate, operand_map, clause,
&toplev_predicate);
- gcov_type add_time = ((gcov_type)e->time * edge->frequency
- + CGRAPH_FREQ_BASE / 2) / CGRAPH_FREQ_BASE;
- if (add_time > MAX_TIME)
- add_time = MAX_TIME;
- account_size_time (info, e->size, add_time, &p);
- }
- remap_edge_predicates (edge->callee, info, callee_info, operand_map,
- clause, &toplev_predicate);
+ if (!false_predicate_p (&p))
+ {
+ gcov_type add_time = ((gcov_type)e->time * edge->frequency
+ + CGRAPH_FREQ_BASE / 2) / CGRAPH_FREQ_BASE;
+ int prob = predicate_probability (callee_info->conds,
+ &e->predicate,
+ clause, es->param);
+ add_time = add_time * prob / REG_BR_PROB_BASE;
+ if (add_time > MAX_TIME * INLINE_TIME_SCALE)
+ add_time = MAX_TIME * INLINE_TIME_SCALE;
+ if (prob != REG_BR_PROB_BASE
+ && dump_file && (dump_flags & TDF_DETAILS))
+ {
+ fprintf (dump_file, "\t\tScaling time by probability:%f\n",
+ (double)prob / REG_BR_PROB_BASE);
+ }
+ account_size_time (info, e->size, add_time, &p);
+ }
+ }
+ remap_edge_summaries (edge, edge->callee, info, callee_info, operand_map,
+ clause, &toplev_predicate);
info->size = 0;
info->time = 0;
for (i = 0; VEC_iterate (size_time_entry, info->entry, i, e); i++)
/* We do not maintain predicates of inlined edges, free it. */
edge_set_predicate (edge, &true_p);
+ /* Similarly remove param summaries. */
+ VEC_free (inline_param_summary_t, heap, es->param);
info->time = (info->time + INLINE_TIME_SCALE / 2) / INLINE_TIME_SCALE;
info->size = (info->size + INLINE_SIZE_SCALE / 2) / INLINE_SIZE_SCALE;
struct inline_edge_summary *es = inline_edge_summary (edge);
gcc_checking_assert (edge->inline_failed);
- estimate_node_size_and_time (cgraph_function_or_thunk_node (edge->callee, NULL),
+ estimate_node_size_and_time (cgraph_function_or_thunk_node (edge->callee,
+ NULL),
evaluate_conditions_for_edge (edge, true),
- &size, &time);
+ &size, &time, es->param);
ret = (((gcov_type)time
- es->call_stmt_time) * edge->frequency
gcc_checking_assert (edge->inline_failed);
estimate_node_size_and_time (callee,
evaluate_conditions_for_edge (edge, true),
- &size, NULL);
+ &size, NULL, NULL);
gcc_checking_assert (inline_edge_summary (edge)->call_stmt_size);
return size - inline_edge_summary (edge)->call_stmt_size;
}
{
struct inline_edge_summary *es = inline_edge_summary (e);
struct predicate p;
+ int length, i;
es->call_stmt_size = streamer_read_uhwi (ib);
es->call_stmt_time = streamer_read_uhwi (ib);
es->loop_depth = streamer_read_uhwi (ib);
p = read_predicate (ib);
edge_set_predicate (e, &p);
+ length = streamer_read_uhwi (ib);
+ if (length)
+ {
+ VEC_safe_grow_cleared (inline_param_summary_t, heap, es->param, length);
+ for (i = 0; i < length; i++)
+ VEC_index (inline_param_summary_t, es->param, i)->change_prob
+ = streamer_read_uhwi (ib);
+ }
}
while ((file_data = file_data_vec[j++]))
{
size_t len;
- const char *data = lto_get_section_data (file_data, LTO_section_inline_summary, NULL, &len);
+ const char *data = lto_get_section_data (file_data,
+ LTO_section_inline_summary,
+ NULL, &len);
if (data)
inline_read_section (file_data, data, len);
else
- /* Fatal error here. We do not want to support compiling ltrans units with
- different version of compiler or different flags than the WPA unit, so
- this should never happen. */
+ /* Fatal error here. We do not want to support compiling ltrans units
+ with different version of compiler or different flags than the WPA
+ unit, so this should never happen. */
fatal_error ("ipa inline summary is missing in input file");
}
if (optimize)
write_inline_edge_summary (struct output_block *ob, struct cgraph_edge *e)
{
struct inline_edge_summary *es = inline_edge_summary (e);
+ int i;
+
streamer_write_uhwi (ob, es->call_stmt_size);
streamer_write_uhwi (ob, es->call_stmt_time);
streamer_write_uhwi (ob, es->loop_depth);
write_predicate (ob, es->predicate);
+ streamer_write_uhwi (ob, VEC_length (inline_param_summary_t, es->param));
+ for (i = 0; i < (int)VEC_length (inline_param_summary_t, es->param); i++)
+ streamer_write_uhwi (ob, VEC_index (inline_param_summary_t,
+ es->param, i)->change_prob);
}
projects / thirdparty / gcc.git / commitdiff
