3 * File name: ir/ir/firmstat.c
4 * Purpose: Statistics for Firm.
8 * Copyright: (c) 2004 Universität Karlsruhe
9 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
16 #ifdef FIRM_STATISTICS
30 #include "firmstat_t.h"
38 * need this to be static:
39 * Special pseudo Opcodes that we need to count some interesting cases
43 * The Phi0, a node that is created during SSA construction
45 static ir_op _op_Phi0;
47 /** The PhiM, just to count memory Phi's. */
48 static ir_op _op_PhiM;
50 /** The Mul by Const node. */
51 static ir_op _op_MulC;
53 /** The Div by Const node. */
54 static ir_op _op_DivC;
56 /** The Div by Const node. */
57 static ir_op _op_ModC;
59 /** The Div by Const node. */
60 static ir_op _op_DivModC;
62 /** The memory Proj node. */
63 static ir_op _op_ProjM;
66 static ir_op _op_SelSel;
68 /** A Sel of a Sel of a Sel */
69 static ir_op _op_SelSelSel;
71 /* ---------------------------------------------------------------------------------- */
73 /** Marks the begin of a statistic (hook) function. */
74 #define STAT_ENTER ++status->recursive
76 /** Marks the end of a statistic (hook) functions. */
77 #define STAT_LEAVE --status->recursive
79 /** Allows to enter a statistic function only when we are not already in a hook. */
80 #define STAT_ENTER_SINGLE do { if (status->recursive > 0) return; ++status->recursive; } while (0)
85 static const int status_disable = 0;
86 static stat_info_t *status = (stat_info_t *)&status_disable;
89 * compare two elements of the opcode hash
91 static int opcode_cmp(const void *elt, const void *key)
93 const node_entry_t *e1 = elt;
94 const node_entry_t *e2 = key;
96 return e1->op->code - e2->op->code;
100 * compare two elements of the graph hash
102 static int graph_cmp(const void *elt, const void *key)
104 const graph_entry_t *e1 = elt;
105 const graph_entry_t *e2 = key;
107 return e1->irg != e2->irg;
111 * compare two elements of the optimization hash
113 static int opt_cmp(const void *elt, const void *key)
115 const opt_entry_t *e1 = elt;
116 const opt_entry_t *e2 = key;
118 return e1->op->code != e2->op->code;
122 * compare two elements of the block/extbb hash
124 static int block_cmp(const void *elt, const void *key)
126 const block_entry_t *e1 = elt;
127 const block_entry_t *e2 = key;
129 return e1->block_nr != e2->block_nr;
133 * compare two elements of the be_block hash
135 static int be_block_cmp(const void *elt, const void *key)
137 const be_block_entry_t *e1 = elt;
138 const be_block_entry_t *e2 = key;
140 return e1->block_nr != e2->block_nr;
144 * compare two elements of reg pressure hash
146 static int reg_pressure_cmp(const void *elt, const void *key)
148 const reg_pressure_entry_t *e1 = elt;
149 const reg_pressure_entry_t *e2 = key;
151 return e1->id_name != e2->id_name;
155 * compare two elements of the perm_stat hash
157 static int perm_stat_cmp(const void *elt, const void *key)
159 const perm_stat_entry_t *e1 = elt;
160 const perm_stat_entry_t *e2 = key;
162 return e1->perm != e2->perm;
166 * compare two elements of the perm_class hash
168 static int perm_class_cmp(const void *elt, const void *key)
170 const perm_class_entry_t *e1 = elt;
171 const perm_class_entry_t *e2 = key;
173 return e1->id_name != e2->id_name;
177 * compare two elements of the ir_op hash
179 static int opcode_cmp_2(const void *elt, const void *key)
181 const ir_op *e1 = elt;
182 const ir_op *e2 = key;
184 return e1->code != e2->code;
188 * compare two elements of the address_mark set
190 static int address_mark_cmp(const void *elt, const void *key, size_t size)
192 const address_mark_entry_t *e1 = elt;
193 const address_mark_entry_t *e2 = key;
195 /* compare only the nodes, the rest is used as data container */
196 return e1->node != e2->node;
200 * clears all counter in a node_entry_t
202 static void opcode_clear_entry(node_entry_t *elem)
204 cnt_clr(&elem->cnt_alive);
205 cnt_clr(&elem->new_node);
206 cnt_clr(&elem->into_Id);
210 * Returns the associates node_entry_t for an ir_op
212 * @param op the IR operation
213 * @param hmap a hash map containing ir_op* -> node_entry_t*
215 static node_entry_t *opcode_get_entry(const ir_op *op, hmap_node_entry_t *hmap)
222 elem = pset_find(hmap, &key, op->code);
226 elem = obstack_alloc(&status->cnts, sizeof(*elem));
227 memset(elem, 0, sizeof(*elem));
230 opcode_clear_entry(elem);
234 return pset_insert(hmap, elem, op->code);
238 * Returns the associates ir_op for an opcode
240 * @param code the IR opcode
241 * @param hmap the hash map containing opcode -> ir_op*
243 static ir_op *opcode_find_entry(opcode code, hmap_ir_op *hmap)
248 return pset_find(hmap, &key, code);
252 * clears all counter in a graph_entry_t
254 static void graph_clear_entry(graph_entry_t *elem, int all)
257 cnt_clr(&elem->cnt_walked);
258 cnt_clr(&elem->cnt_walked_blocks);
259 cnt_clr(&elem->cnt_was_inlined);
260 cnt_clr(&elem->cnt_got_inlined);
261 cnt_clr(&elem->cnt_strength_red);
262 cnt_clr(&elem->cnt_real_func_call);
264 cnt_clr(&elem->cnt_edges);
265 cnt_clr(&elem->cnt_all_calls);
266 cnt_clr(&elem->cnt_call_with_cnst_arg);
267 cnt_clr(&elem->cnt_indirect_calls);
269 if (elem->block_hash) {
270 del_pset(elem->block_hash);
271 elem->block_hash = NULL;
274 if (elem->extbb_hash) {
275 del_pset(elem->extbb_hash);
276 elem->extbb_hash = NULL;
279 obstack_free(&elem->recalc_cnts, NULL);
280 obstack_init(&elem->recalc_cnts);
284 * Returns the associated graph_entry_t for an IR graph.
286 * @param irg the IR graph
287 * @param hmap the hash map containing ir_graph* -> graph_entry_t*
289 static graph_entry_t *graph_get_entry(ir_graph *irg, hmap_graph_entry_t *hmap)
297 elem = pset_find(hmap, &key, HASH_PTR(irg));
300 /* create hash map backend block information */
301 if (! elem->be_block_hash)
302 elem->be_block_hash = new_pset(be_block_cmp, 5);
307 /* allocate a new one */
308 elem = obstack_alloc(&status->cnts, sizeof(*elem));
309 memset(elem, 0, sizeof(*elem));
310 obstack_init(&elem->recalc_cnts);
313 graph_clear_entry(elem, 1);
315 /* new hash table for opcodes here */
316 elem->opcode_hash = new_pset(opcode_cmp, 5);
317 elem->address_mark = new_set(address_mark_cmp, 5);
320 /* these hash tables are created on demand */
321 elem->block_hash = NULL;
322 elem->extbb_hash = NULL;
324 for (i = 0; i < sizeof(elem->opt_hash)/sizeof(elem->opt_hash[0]); ++i)
325 elem->opt_hash[i] = new_pset(opt_cmp, 4);
327 return pset_insert(hmap, elem, HASH_PTR(irg));
331 * clears all counter in an opt_entry_t
333 static void opt_clear_entry(opt_entry_t *elem)
335 cnt_clr(&elem->count);
339 * Returns the associated opt_entry_t for an IR operation.
341 * @param op the IR operation
342 * @param hmap the hash map containing ir_op* -> opt_entry_t*
344 static opt_entry_t *opt_get_entry(const ir_op *op, hmap_opt_entry_t *hmap)
351 elem = pset_find(hmap, &key, op->code);
355 elem = obstack_alloc(&status->cnts, sizeof(*elem));
356 memset(elem, 0, sizeof(*elem));
358 /* clear new counter */
359 opt_clear_entry(elem);
363 return pset_insert(hmap, elem, op->code);
367 * clears all counter in a block_entry_t
369 static void block_clear_entry(block_entry_t *elem)
371 cnt_clr(&elem->cnt_nodes);
372 cnt_clr(&elem->cnt_edges);
373 cnt_clr(&elem->cnt_in_edges);
374 cnt_clr(&elem->cnt_out_edges);
375 cnt_clr(&elem->cnt_phi_data);
379 * Returns the associated block_entry_t for an block.
381 * @param block_nr an IR block number
382 * @param hmap a hash map containing long -> block_entry_t
384 static block_entry_t *block_get_entry(struct obstack *obst, long block_nr, hmap_block_entry_t *hmap)
389 key.block_nr = block_nr;
391 elem = pset_find(hmap, &key, block_nr);
395 elem = obstack_alloc(obst, sizeof(*elem));
396 memset(elem, 0, sizeof(*elem));
398 /* clear new counter */
399 block_clear_entry(elem);
401 elem->block_nr = block_nr;
403 return pset_insert(hmap, elem, block_nr);
407 * clears all sets in be_block_entry_t
409 static void be_block_clear_entry(be_block_entry_t *elem)
411 if (elem->reg_pressure)
412 del_pset(elem->reg_pressure);
414 if (elem->sched_ready)
415 stat_delete_distrib_tbl(elem->sched_ready);
417 if (elem->perm_class_stat)
418 del_pset(elem->perm_class_stat);
420 elem->reg_pressure = new_pset(reg_pressure_cmp, 5);
421 elem->sched_ready = stat_new_int_distrib_tbl();
422 elem->perm_class_stat = new_pset(perm_class_cmp, 5);
426 * Returns the associated be_block_entry_t for an block.
428 * @param block_nr an IR block number
429 * @param hmap a hash map containing long -> be_block_entry_t
431 static be_block_entry_t *be_block_get_entry(struct obstack *obst, long block_nr, hmap_be_block_entry_t *hmap)
433 be_block_entry_t key;
434 be_block_entry_t *elem;
436 key.block_nr = block_nr;
438 elem = pset_find(hmap, &key, block_nr);
442 elem = obstack_alloc(obst, sizeof(*elem));
443 memset(elem, 0, sizeof(*elem));
445 /* clear new counter */
446 be_block_clear_entry(elem);
448 elem->block_nr = block_nr;
450 return pset_insert(hmap, elem, block_nr);
454 * clears all sets in perm_class_entry_t
456 static void perm_class_clear_entry(perm_class_entry_t *elem) {
458 del_pset(elem->perm_stat);
460 elem->perm_stat = new_pset(perm_stat_cmp, 5);
464 * Returns the associated perm_class entry for a register class.
466 * @param cls_id the register class ident
467 * @param hmap a hash map containing class_name -> perm_class_entry_t
469 static perm_class_entry_t *perm_class_get_entry(struct obstack *obst, ident *cls_id, hmap_perm_class_entry_t *hmap)
471 perm_class_entry_t key;
472 perm_class_entry_t *elem;
474 key.id_name = cls_id;
476 elem = pset_find(hmap, &key, HASH_PTR(cls_id));
480 elem = obstack_alloc(obst, sizeof(*elem));
481 memset(elem, 0, sizeof(*elem));
483 /* clear new counter */
484 perm_class_clear_entry(elem);
486 elem->id_name = cls_id;
488 return pset_insert(hmap, elem, HASH_PTR(cls_id));
492 * clears all sets in perm_stat_entry_t
494 static void perm_stat_clear_entry(perm_stat_entry_t *elem) {
496 stat_delete_distrib_tbl(elem->chains);
499 stat_delete_distrib_tbl(elem->cycles);
501 elem->chains = stat_new_int_distrib_tbl();
502 elem->cycles = stat_new_int_distrib_tbl();
506 * Returns the associated perm_stat entry for a perm.
508 * @param perm the perm node
509 * @param hmap a hash map containing perm -> perm_stat_entry_t
511 static perm_stat_entry_t *perm_stat_get_entry(struct obstack *obst, ir_node *perm, hmap_perm_stat_entry_t *hmap)
513 perm_stat_entry_t key;
514 perm_stat_entry_t *elem;
518 elem = pset_find(hmap, &key, HASH_PTR(perm));
522 elem = obstack_alloc(obst, sizeof(*elem));
523 memset(elem, 0, sizeof(*elem));
525 /* clear new counter */
526 perm_stat_clear_entry(elem);
530 return pset_insert(hmap, elem, HASH_PTR(perm));
534 * Returns the ir_op for an IR-node,
535 * handles special cases and return pseudo op codes.
537 * @param none an IR node
539 static ir_op *stat_get_irn_op(ir_node *node)
541 ir_op *op = get_irn_op(node);
543 if (op == op_Phi && get_irn_arity(node) == 0) {
544 /* special case, a Phi0 node, count on extra counter */
545 op = status->op_Phi0 ? status->op_Phi0 : op;
547 else if (op == op_Phi && get_irn_mode(node) == mode_M) {
548 /* special case, a Memory Phi node, count on extra counter */
549 op = status->op_PhiM ? status->op_PhiM : op;
551 else if (op == op_Proj && get_irn_mode(node) == mode_M) {
552 /* special case, a Memory Proj node, count on extra counter */
553 op = status->op_ProjM ? status->op_ProjM : op;
555 else if (op == op_Mul &&
556 (get_irn_op(get_Mul_left(node)) == op_Const || get_irn_op(get_Mul_right(node)) == op_Const)) {
557 /* special case, a Multiply by a const, count on extra counter */
558 op = status->op_MulC ? status->op_MulC : op;
560 else if (op == op_Div && get_irn_op(get_Div_right(node)) == op_Const) {
561 /* special case, a division by a const, count on extra counter */
562 op = status->op_DivC ? status->op_DivC : op;
564 else if (op == op_Mod && get_irn_op(get_Mod_right(node)) == op_Const) {
565 /* special case, a module by a const, count on extra counter */
566 op = status->op_ModC ? status->op_ModC : op;
568 else if (op == op_DivMod && get_irn_op(get_DivMod_right(node)) == op_Const) {
569 /* special case, a division/modulo by a const, count on extra counter */
570 op = status->op_DivModC ? status->op_DivModC : op;
572 else if (op == op_Sel && get_irn_op(get_Sel_ptr(node)) == op_Sel) {
573 /* special case, a Sel of a Sel, count on extra counter */
574 op = status->op_SelSel ? status->op_SelSel : op;
576 if (get_irn_op(get_Sel_ptr(get_Sel_ptr(node))) == op_Sel) {
577 /* special case, a Sel of a Sel of a Sel, count on extra counter */
578 op = status->op_SelSelSel ? status->op_SelSelSel : op;
586 * update the block counter
588 static void undate_block_info(ir_node *node, graph_entry_t *graph)
590 ir_op *op = get_irn_op(node);
592 block_entry_t *b_entry;
595 /* check for block */
596 if (op == op_Block) {
597 arity = get_irn_arity(node);
598 b_entry = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(node), graph->block_hash);
600 /* count all incoming edges */
601 for (i = 0; i < arity; ++i) {
602 ir_node *pred = get_irn_n(node, i);
603 ir_node *other_block = get_nodes_block(pred);
604 block_entry_t *b_entry_other = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(other_block), graph->block_hash);
606 cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
607 cnt_inc(&b_entry_other->cnt_out_edges);
612 block = get_nodes_block(node);
613 b_entry = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(block), graph->block_hash);
615 if (op == op_Phi && mode_is_datab(get_irn_mode(node))) {
616 /* count data Phi per block */
617 cnt_inc(&b_entry->cnt_phi_data);
620 /* we have a new node in our block */
621 cnt_inc(&b_entry->cnt_nodes);
623 /* don't count keep-alive edges */
624 if (get_irn_op(node) == op_End)
627 arity = get_irn_arity(node);
629 for (i = 0; i < arity; ++i) {
630 ir_node *pred = get_irn_n(node, i);
631 ir_node *other_block;
633 other_block = get_nodes_block(pred);
635 if (other_block == block)
636 cnt_inc(&b_entry->cnt_edges); /* a in block edge */
638 block_entry_t *b_entry_other = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(other_block), graph->block_hash);
640 cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
641 cnt_inc(&b_entry_other->cnt_out_edges);
647 * update the extended block counter
649 static void undate_extbb_info(ir_node *node, graph_entry_t *graph)
651 ir_op *op = get_irn_op(node);
653 extbb_entry_t *eb_entry;
656 /* check for block */
657 if (op == op_Block) {
658 extbb = get_nodes_extbb(node);
659 arity = get_irn_arity(node);
660 eb_entry = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(extbb), graph->extbb_hash);
662 /* count all incoming edges */
663 for (i = 0; i < arity; ++i) {
664 ir_node *pred = get_irn_n(node, i);
665 ir_extblk *other_extbb = get_nodes_extbb(pred);
667 if (extbb != other_extbb) {
668 extbb_entry_t *eb_entry_other = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(other_extbb), graph->extbb_hash);
670 cnt_inc(&eb_entry->cnt_in_edges); /* an edge coming from another extbb */
671 cnt_inc(&eb_entry_other->cnt_out_edges);
677 extbb = get_nodes_extbb(node);
678 eb_entry = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(extbb), graph->extbb_hash);
680 if (op == op_Phi && mode_is_datab(get_irn_mode(node))) {
681 /* count data Phi per extbb */
682 cnt_inc(&eb_entry->cnt_phi_data);
685 /* we have a new node in our block */
686 cnt_inc(&eb_entry->cnt_nodes);
688 /* don't count keep-alive edges */
689 if (get_irn_op(node) == op_End)
692 arity = get_irn_arity(node);
694 for (i = 0; i < arity; ++i) {
695 ir_node *pred = get_irn_n(node, i);
696 ir_extblk *other_extbb = get_nodes_extbb(pred);
698 if (other_extbb == extbb)
699 cnt_inc(&eb_entry->cnt_edges); /* a in extbb edge */
701 extbb_entry_t *eb_entry_other = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(other_extbb), graph->extbb_hash);
703 cnt_inc(&eb_entry->cnt_in_edges); /* an edge coming from another extbb */
704 cnt_inc(&eb_entry_other->cnt_out_edges);
709 /** calculates how many arguments of the call are const */
710 static int cnt_const_args(ir_node *call)
713 int n = get_Call_n_params(call);
715 for (i = 0; i < n; ++i) {
716 ir_node *param = get_Call_param(call, i);
717 ir_op *op = get_irn_op(param);
719 if (op == op_Const || op == op_SymConst)
726 * update info on calls
728 * @param call The call
729 * @param graph The graph entry containing the call
731 static void stat_update_call(ir_node *call, graph_entry_t *graph)
733 ir_node *block = get_nodes_block(call);
734 ir_node *ptr = get_Call_ptr(call);
736 ir_graph *callee = NULL;
740 * If the block is bad, the whole subgraph will collapse later
741 * so do not count this call.
742 * This happens in dead code.
747 cnt_inc(&graph->cnt_all_calls);
749 /* found a call, this function is not a leaf */
752 if (get_irn_op(ptr) == op_SymConst) {
753 if (get_SymConst_kind(ptr) == symconst_addr_ent) {
754 /* ok, we seems to know the entity */
755 ent = get_SymConst_entity(ptr);
756 callee = get_entity_irg(ent);
758 /* it is recursive, if it calls at least once */
759 if (callee == graph->irg)
760 graph->is_recursive = 1;
764 /* indirect call, be could not predict */
765 cnt_inc(&graph->cnt_indirect_calls);
767 /* NOT a leaf call */
768 graph->is_leaf_call = LCS_NON_LEAF_CALL;
771 /* check, if it's a chain-call: Then, the call-block
772 * must dominate the end block. */
774 ir_node *curr = get_irg_end_block(graph->irg);
775 int depth = get_Block_dom_depth(block);
777 for (; curr != block && get_Block_dom_depth(curr) > depth;) {
778 curr = get_Block_idom(curr);
780 if (! curr || is_no_Block(curr))
785 graph->is_chain_call = 0;
788 /* check, if the callee is a leaf */
790 graph_entry_t *called = graph_get_entry(callee, status->irg_hash);
792 if (called->is_analyzed) {
793 if (! called->is_leaf)
794 graph->is_leaf_call = LCS_NON_LEAF_CALL;
798 /* check, if arguments of the call are const */
799 num_const_args = cnt_const_args(call);
801 if (num_const_args > 0)
802 cnt_inc(&graph->cnt_call_with_cnst_arg);
806 * update info on calls for graphs on the wait queue
808 static void stat_update_call_2(ir_node *call, graph_entry_t *graph)
810 ir_node *block = get_nodes_block(call);
811 ir_node *ptr = get_Call_ptr(call);
813 ir_graph *callee = NULL;
816 * If the block is bad, the whole subgraph will collapse later
817 * so do not count this call.
818 * This happens in dead code.
823 if (get_irn_op(ptr) == op_SymConst) {
824 if (get_SymConst_kind(ptr) == symconst_addr_ent) {
825 /* ok, we seems to know the entity */
826 ent = get_SymConst_entity(ptr);
827 callee = get_entity_irg(ent);
831 /* check, if the callee is a leaf */
833 graph_entry_t *called = graph_get_entry(callee, status->irg_hash);
835 assert(called->is_analyzed);
837 if (! called->is_leaf)
838 graph->is_leaf_call = LCS_NON_LEAF_CALL;
841 graph->is_leaf_call = LCS_NON_LEAF_CALL;
845 * walker for reachable nodes count
847 static void update_node_stat(ir_node *node, void *env)
849 graph_entry_t *graph = env;
852 ir_op *op = stat_get_irn_op(node);
853 int arity = get_irn_arity(node);
855 entry = opcode_get_entry(op, graph->opcode_hash);
857 cnt_inc(&entry->cnt_alive);
858 cnt_add_i(&graph->cnt_edges, arity);
860 /* count block edges */
861 undate_block_info(node, graph);
863 /* count extended block edges */
864 if (status->stat_options & FIRMSTAT_COUNT_EXTBB) {
865 undate_extbb_info(node, graph);
868 /* handle statistics for special node types */
870 if (op == op_Const) {
871 if (status->stat_options & FIRMSTAT_COUNT_CONSTS) {
872 /* check properties of constants */
873 stat_update_const(status, node, graph);
876 else if (op == op_Call) {
877 /* check for properties that depends on calls like recursion/leaf/indirect call */
878 stat_update_call(node, graph);
883 * walker for reachable nodes count for graphs on the wait_q
885 static void update_node_stat_2(ir_node *node, void *env)
887 graph_entry_t *graph = env;
889 /* check for properties that depends on calls like recursion/leaf/indirect call */
891 stat_update_call_2(node, graph);
895 * get the current address mark
897 static unsigned get_adr_mark(graph_entry_t *graph, ir_node *node)
899 address_mark_entry_t *value = set_find(graph->address_mark, &node, sizeof(*value), HASH_PTR(node));
901 return value ? value->mark : 0;
905 * set the current address mark
907 static void set_adr_mark(graph_entry_t *graph, ir_node *node, unsigned val)
909 address_mark_entry_t *value = set_insert(graph->address_mark, &node, sizeof(*value), HASH_PTR(node));
915 * a vcg attribute hook: Color a node with a different color if
916 * it's identified as a part of an address expression or at least referenced
917 * by an address expression.
919 static int stat_adr_mark_hook(FILE *F, ir_node *node, ir_node *local)
921 ir_node *n = local ? local : node;
922 ir_graph *irg = get_irn_irg(n);
923 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
924 unsigned mark = get_adr_mark(graph, n);
926 if (mark & MARK_ADDRESS_CALC)
927 fprintf(F, "color: purple");
928 else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR)
929 fprintf(F, "color: pink");
930 else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == (MARK_REF_ADR|MARK_REF_NON_ADR))
931 fprintf(F, "color: lightblue");
935 /* I know the color! */
940 * walker that marks every node that is an address calculation
942 * predecessor nodes must be visited first. We ensure this by
943 * calling in in the post of an outs walk. This should work even in cycles,
944 * while the pre in a normal walk will not.
946 static void mark_address_calc(ir_node *node, void *env)
948 graph_entry_t *graph = env;
949 ir_mode *mode = get_irn_mode(node);
951 unsigned mark_preds = MARK_REF_NON_ADR;
953 if (! mode_is_numP(mode))
956 if (mode_is_reference(mode)) {
957 /* a reference is calculated here, we are sure */
958 set_adr_mark(graph, node, MARK_ADDRESS_CALC);
960 mark_preds = MARK_REF_ADR;
963 unsigned mark = get_adr_mark(graph, node);
965 if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR) {
967 * this node has not an reference mode, but is only
968 * referenced by address calculations
970 mark_preds = MARK_REF_ADR;
974 /* mark all predecessors */
975 for (i = 0, n = get_irn_arity(node); i < n; ++i) {
976 ir_node *pred = get_irn_n(node, i);
978 set_adr_mark(graph, pred, get_adr_mark(graph, pred) | mark_preds);
983 * Called for every graph when the graph is either deleted or stat_dump_snapshot()
984 * is called, must recalculate all statistic info.
986 * @param global The global entry
987 * @param graph The current entry
989 static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
993 /* clear first the alive counter in the graph */
994 for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
995 cnt_clr(&entry->cnt_alive);
998 /* set pessimistic values */
1000 graph->is_leaf_call = LCS_UNKNOWN;
1001 graph->is_recursive = 0;
1002 graph->is_chain_call = 1;
1004 /* create new block counter */
1005 graph->block_hash = new_pset(block_cmp, 5);
1007 /* we need dominator info */
1008 if (graph->irg != get_const_code_irg())
1009 if (get_irg_dom_state(graph->irg) != dom_consistent)
1010 compute_doms(graph->irg);
1012 if (status->stat_options & FIRMSTAT_COUNT_EXTBB) {
1013 /* we need extended basic blocks */
1014 compute_extbb(graph->irg);
1016 /* create new extbb counter */
1017 graph->extbb_hash = new_pset(block_cmp, 5);
1020 /* count the nodes in the graph */
1021 irg_walk_graph(graph->irg, update_node_stat, NULL, graph);
1024 /* Uncomment this code if chain-call means call exact one */
1025 entry = opcode_get_entry(op_Call, graph->opcode_hash);
1027 /* check if we have more than 1 call */
1028 if (cnt_gt(entry->cnt_alive, 1))
1029 graph->is_chain_call = 0;
1032 /* recursive functions are never chain calls, leafs don't have calls */
1033 if (graph->is_recursive || graph->is_leaf)
1034 graph->is_chain_call = 0;
1036 /* assume we walk every graph only ONCE, we could sum here the global count */
1037 for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
1038 node_entry_t *g_entry = opcode_get_entry(entry->op, global->opcode_hash);
1040 /* update the node counter */
1041 cnt_add(&g_entry->cnt_alive, &entry->cnt_alive);
1044 /* update the edge counter */
1045 cnt_add(&global->cnt_edges, &graph->cnt_edges);
1047 /* count the number of address calculation */
1048 if (graph->irg != get_const_code_irg()) {
1049 ir_graph *rem = current_ir_graph;
1051 if (get_irg_outs_state(graph->irg) != outs_consistent)
1052 compute_irg_outs(graph->irg);
1054 /* Must be done an the outs graph */
1055 current_ir_graph = graph->irg;
1056 irg_out_walk(get_irg_start(graph->irg), NULL, mark_address_calc, graph);
1057 current_ir_graph = rem;
1060 set_dump_node_vcgattr_hook(stat_adr_mark_hook);
1061 dump_ir_block_graph(graph->irg, "-adr");
1062 set_dump_node_vcgattr_hook(NULL);
1066 /* count the DAG's */
1067 if (status->stat_options & FIRMSTAT_COUNT_DAG)
1068 count_dags_in_graph(global, graph);
1070 /* calculate the patterns of this graph */
1071 stat_calc_pattern_history(graph->irg);
1073 /* leaf function did not call others */
1075 graph->is_leaf_call = LCS_NON_LEAF_CALL;
1076 else if (graph->is_leaf_call == LCS_UNKNOWN) {
1077 /* we still don't know if this graph calls leaf-functions, so enqueue */
1078 pdeq_putl(status->wait_q, graph);
1081 /* we have analyzed this graph */
1082 graph->is_analyzed = 1;
1086 * Called for every graph that was on the wait_q in stat_dump_snapshot()
1087 * must finish all statistic info calculations.
1089 * @param global The global entry
1090 * @param graph The current entry
1092 static void update_graph_stat_2(graph_entry_t *global, graph_entry_t *graph)
1094 if (graph->is_deleted) {
1095 /* deleted, ignore */
1100 /* count the nodes in the graph */
1101 irg_walk_graph(graph->irg, update_node_stat_2, NULL, graph);
1103 if (graph->is_leaf_call == LCS_UNKNOWN)
1104 graph->is_leaf_call = LCS_LEAF_CALL;
1111 static void stat_register_dumper(const dumper_t *dumper)
1113 dumper_t *p = xmalloc(sizeof(*p));
1118 p->next = status->dumper;
1123 /* FIXME: memory leak */
1127 * dumps an IR graph.
1129 static void stat_dump_graph(graph_entry_t *entry)
1133 for (dumper = status->dumper; dumper; dumper = dumper->next) {
1134 if (dumper->dump_graph)
1135 dumper->dump_graph(dumper, entry);
1140 * dumps a constant table
1142 static void stat_dump_consts(const constant_info_t *tbl)
1146 for (dumper = status->dumper; dumper; dumper = dumper->next) {
1147 if (dumper->dump_const_tbl)
1148 dumper->dump_const_tbl(dumper, tbl);
1153 * initialize the dumper
1155 static void stat_dump_init(const char *name)
1159 for (dumper = status->dumper; dumper; dumper = dumper->next) {
1161 dumper->init(dumper, name);
1168 static void stat_dump_finish(void)
1172 for (dumper = status->dumper; dumper; dumper = dumper->next) {
1174 dumper->finish(dumper);
1178 /* ---------------------------------------------------------------------- */
1181 * helper: get an ir_op from an opcode
1183 ir_op *stat_get_op_from_opcode(opcode code)
1185 return opcode_find_entry(code, status->ir_op_hash);
1189 * A new IR op is registered.
1191 * @param ctx the hook context
1192 * @param op the new IR opcode that was created.
1194 static void stat_new_ir_op(void *ctx, ir_op *op)
1196 if (! status->stat_options)
1201 graph_entry_t *graph = graph_get_entry(NULL, status->irg_hash);
1203 /* execute for side effect :-) */
1204 opcode_get_entry(op, graph->opcode_hash);
1206 pset_insert(status->ir_op_hash, op, op->code);
1212 * An IR op is freed.
1214 * @param ctx the hook context
1215 * @param op the IR opcode that is freed
1217 static void stat_free_ir_op(void *ctx, ir_op *op)
1219 if (! status->stat_options)
1229 * A new node is created.
1231 * @param ctx the hook context
1232 * @param irg the IR graph on which the node is created
1233 * @param node the new IR node that was created
1235 static void stat_new_node(void *ctx, ir_graph *irg, ir_node *node)
1237 if (! status->stat_options)
1240 /* do NOT count during dead node elimination */
1241 if (status->in_dead_node_elim > 0)
1246 node_entry_t *entry;
1247 graph_entry_t *graph;
1248 ir_op *op = stat_get_irn_op(node);
1250 /* increase global value */
1251 graph = graph_get_entry(NULL, status->irg_hash);
1252 entry = opcode_get_entry(op, graph->opcode_hash);
1253 cnt_inc(&entry->new_node);
1255 /* increase local value */
1256 graph = graph_get_entry(current_ir_graph, status->irg_hash);
1257 entry = opcode_get_entry(op, graph->opcode_hash);
1258 cnt_inc(&entry->new_node);
1264 * A node is changed into a Id node
1266 * @param ctx the hook context
1267 * @param node the IR node that will be turned into an ID
1269 static void stat_turn_into_id(void *ctx, ir_node *node)
1271 if (! status->stat_options)
1276 node_entry_t *entry;
1277 graph_entry_t *graph;
1278 ir_op *op = stat_get_irn_op(node);
1280 /* increase global value */
1281 graph = graph_get_entry(NULL, status->irg_hash);
1282 entry = opcode_get_entry(op, graph->opcode_hash);
1283 cnt_inc(&entry->into_Id);
1285 /* increase local value */
1286 graph = graph_get_entry(current_ir_graph, status->irg_hash);
1287 entry = opcode_get_entry(op, graph->opcode_hash);
1288 cnt_inc(&entry->into_Id);
1294 * A new graph was created
1296 * @param ctx the hook context
1297 * @param irg the new IR graph that was created
1298 * @param ent the entity of this graph
1300 static void stat_new_graph(void *ctx, ir_graph *irg, entity *ent)
1302 if (! status->stat_options)
1307 /* execute for side effect :-) */
1308 graph_entry_t * graph = graph_get_entry(irg, status->irg_hash);
1311 graph->is_deleted = 0;
1313 graph->is_leaf_call = 0;
1314 graph->is_recursive = 0;
1315 graph->is_chain_call = 0;
1316 graph->is_analyzed = 0;
1322 * A graph will be deleted
1324 * @param ctx the hook context
1325 * @param irg the IR graph that will be deleted
1327 * Note that we still hold the information for this graph
1328 * in our hash maps, only a flag is set which prevents this
1329 * information from being changed, it's "frozen" from now.
1331 static void stat_free_graph(void *ctx, ir_graph *irg)
1333 if (! status->stat_options)
1338 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1339 graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
1341 graph->is_deleted = 1;
1343 if (status->stat_options & FIRMSTAT_COUNT_DELETED) {
1344 /* count the nodes of the graph yet, it will be destroyed later */
1345 update_graph_stat(global, graph);
1352 * A walk over a graph is initiated. Do not count walks from statistic code.
1354 * @param ctx the hook context
1355 * @param irg the IR graph that will be walked
1356 * @param pre the pre walker
1357 * @param post the post walker
1359 static void stat_irg_walk(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
1361 if (! status->stat_options)
1366 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1368 cnt_inc(&graph->cnt_walked);
1374 * A walk over a graph in block-wise order is initiated. Do not count walks from statistic code.
1376 * @param ctx the hook context
1377 * @param irg the IR graph that will be walked
1378 * @param pre the pre walker
1379 * @param post the post walker
1381 static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
1383 /* for now, do NOT differentiate between blockwise and normal */
1384 stat_irg_walk(ctx, irg, pre, post);
1388 * A walk over the graph's blocks is initiated. Do not count walks from statistic code.
1390 * @param ctx the hook context
1391 * @param irg the IR graph that will be walked
1392 * @param node the IR node
1393 * @param pre the pre walker
1394 * @param post the post walker
1396 static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, generic_func *pre, generic_func *post)
1398 if (! status->stat_options)
1403 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1405 cnt_inc(&graph->cnt_walked_blocks);
1411 * called for every node that is removed due to an optimization.
1413 * @param n the IR node that will be removed
1414 * @param hmap the hash map containing ir_op* -> opt_entry_t*
1416 static void removed_due_opt(ir_node *n, hmap_opt_entry_t *hmap)
1418 ir_op *op = stat_get_irn_op(n);
1419 opt_entry_t *entry = opt_get_entry(op, hmap);
1421 /* increase global value */
1422 cnt_inc(&entry->count);
1426 * Some nodes were optimized into some others due to an optimization.
1428 * @param ctx the hook context
1430 static void stat_merge_nodes(
1432 ir_node **new_node_array, int new_num_entries,
1433 ir_node **old_node_array, int old_num_entries,
1436 if (! status->stat_options)
1442 graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
1444 if (status->reassoc_run)
1445 opt = HOOK_OPT_REASSOC;
1447 for (i = 0; i < old_num_entries; ++i) {
1448 for (j = 0; j < new_num_entries; ++j)
1449 if (old_node_array[i] == new_node_array[j])
1452 /* nodes might be in new and old, these are NOT removed */
1453 if (j >= new_num_entries) {
1456 /* sometimes we did not detect, that it is replaced by a Const */
1457 if (opt == HOOK_OPT_CONFIRM && new_num_entries == 1) {
1458 ir_op *op = get_irn_op(new_node_array[0]);
1460 if (op == op_Const || op == op_SymConst)
1461 xopt = HOOK_OPT_CONFIRM_C;
1464 removed_due_opt(old_node_array[i], graph->opt_hash[xopt]);
1472 * Reassociation is started/stopped.
1474 * @param ctx the hook context
1475 * @param flag if non-zero, reassociation is started else stopped
1477 static void stat_reassociate(void *ctx, int flag)
1479 if (! status->stat_options)
1484 status->reassoc_run = flag;
1490 * A node was lowered into other nodes
1492 * @param ctx the hook context
1493 * @param node the IR node that will be lowered
1495 static void stat_lower(void *ctx, ir_node *node)
1497 if (! status->stat_options)
1502 graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
1504 removed_due_opt(node, graph->opt_hash[HOOK_LOWERED]);
1510 * A graph was inlined.
1512 * @param ctx the hook context
1513 * @param call the IR call that will re changed into the body of
1514 * the called IR graph
1515 * @param called_irg the IR graph representing the called routine
1517 static void stat_inline(void *ctx, ir_node *call, ir_graph *called_irg)
1519 if (! status->stat_options)
1524 ir_graph *irg = get_irn_irg(call);
1525 graph_entry_t *i_graph = graph_get_entry(called_irg, status->irg_hash);
1526 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1528 cnt_inc(&graph->cnt_got_inlined);
1529 cnt_inc(&i_graph->cnt_was_inlined);
1535 * A graph with tail-recursions was optimized.
1537 * @param ctx the hook context
1539 static void stat_tail_rec(void *ctx, ir_graph *irg, int n_calls)
1541 if (! status->stat_options)
1546 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1548 graph->num_tail_recursion += n_calls;
1554 * Strength reduction was performed on an iteration variable.
1556 * @param ctx the hook context
1558 static void stat_strength_red(void *ctx, ir_graph *irg, ir_node *strong, ir_node *cmp)
1560 if (! status->stat_options)
1565 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1566 cnt_inc(&graph->cnt_strength_red);
1568 removed_due_opt(strong, graph->opt_hash[HOOK_OPT_STRENGTH_RED]);
1574 * Start/Stop the dead node elimination.
1576 * @param ctx the hook context
1578 static void stat_dead_node_elim(void *ctx, ir_graph *irg, int start)
1580 if (! status->stat_options)
1584 ++status->in_dead_node_elim;
1586 --status->in_dead_node_elim;
1590 * if-conversion was tried
1592 static void stat_if_conversion(void *context, ir_graph *irg, ir_node *phi,
1593 int pos, ir_node *mux, if_result_t reason)
1595 if (! status->stat_options)
1600 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1602 cnt_inc(&graph->cnt_if_conv[reason]);
1608 * real function call was optimized
1610 static void stat_func_call(void *context, ir_graph *irg, ir_node *call)
1612 if (! status->stat_options)
1617 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1619 cnt_inc(&graph->cnt_real_func_call);
1625 * A multiply was replaced by a series of Shifts/Adds/Subs
1627 * @param ctx the hook context
1629 static void stat_arch_dep_replace_mul_with_shifts(void *ctx, ir_node *mul)
1631 if (! status->stat_options)
1636 graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
1637 removed_due_opt(mul, graph->opt_hash[HOOK_OPT_ARCH_DEP]);
1643 * A division by const was replaced
1645 * @param ctx the hook context
1646 * @param node the division node that will be optimized
1648 static void stat_arch_dep_replace_division_by_const(void *ctx, ir_node *node)
1650 if (! status->stat_options)
1655 graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
1656 removed_due_opt(node, graph->opt_hash[HOOK_OPT_ARCH_DEP]);
1662 * Update the register pressure of a block
1664 * @param ctx the hook context
1665 * @param block the block for which the reg pressure should be set
1666 * @param irg the irg containing the block
1667 * @param pressure the pressure
1668 * @param class_name the ident name of the register class
1670 static void stat_be_block_regpressure(void *ctx, ir_node *block, ir_graph *irg, int pressure, ident *class_name)
1672 if (! status->stat_options)
1677 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1678 be_block_entry_t *block_ent;
1679 reg_pressure_entry_t *rp_ent;
1681 block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
1682 rp_ent = obstack_alloc(&status->be_data, sizeof(*rp_ent));
1683 memset(rp_ent, 0, sizeof(*rp_ent));
1685 rp_ent->id_name = class_name;
1686 rp_ent->pressure = pressure;
1688 pset_insert(block_ent->reg_pressure, rp_ent, HASH_PTR(class_name));
1694 * Update the distribution of ready nodes of a block
1696 * @param ctx the hook context
1697 * @param block the block for which the reg pressure should be set
1698 * @param irg the irg containing the block
1699 * @param num_ready the number of ready nodes
1701 static void stat_be_block_sched_ready(void *ctx, ir_node *block, ir_graph *irg, int num_ready)
1703 if (! status->stat_options)
1708 graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
1709 be_block_entry_t *block_ent;
1710 const counter_t *cnt_1 = cnt_get_1();
1712 block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
1714 /* add 1 to the counter of corresponding number of ready nodes */
1715 stat_add_int_distrib_tbl(block_ent->sched_ready, num_ready, cnt_1);
1721 * Update the permutation statistic of a block
1723 * @param ctx the hook context
1724 * @param class_name the ident name of the register class
1725 * @param perm the perm node
1726 * @param block the block containing the perm
1727 * @param size the size of the perm
1728 * @param real_size number of pairs with different registers
1730 void stat_be_block_stat_perm(void *ctx, ident *class_name, int n_regs, ir_node *perm, ir_node *block,
1731 int size, int real_size)
1733 if (! status->stat_options)
1738 graph_entry_t *graph = graph_get_entry(get_irn_irg(block), status->irg_hash);
1739 be_block_entry_t *block_ent;
1740 perm_class_entry_t *pc_ent;
1741 perm_stat_entry_t *ps_ent;
1743 block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
1744 pc_ent = perm_class_get_entry(&status->be_data, class_name, block_ent->perm_class_stat);
1745 ps_ent = perm_stat_get_entry(&status->be_data, perm, pc_ent->perm_stat);
1747 pc_ent->n_regs = n_regs;
1749 /* update information */
1750 ps_ent->size = size;
1751 ps_ent->real_size = real_size;
1757 * Update the permutation statistic of a single perm
1759 * @param ctx the hook context
1760 * @param class_name the ident name of the register class
1761 * @param perm the perm node
1762 * @param block the block containing the perm
1763 * @param is_chain 1 if chain, 0 if cycle
1764 * @param n_ops the number of ops representing this cycle/chain after lowering
1766 void stat_be_block_stat_permcycle(void *ctx, ident *class_name, ir_node *perm, ir_node *block,
1767 int is_chain, int size, int n_ops)
1769 if (! status->stat_options)
1774 graph_entry_t *graph = graph_get_entry(get_irn_irg(block), status->irg_hash);
1775 const counter_t *cnt_1 = cnt_get_1();
1776 be_block_entry_t *block_ent;
1777 perm_class_entry_t *pc_ent;
1778 perm_stat_entry_t *ps_ent;
1780 block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
1781 pc_ent = perm_class_get_entry(&status->be_data, class_name, block_ent->perm_class_stat);
1782 ps_ent = perm_stat_get_entry(&status->be_data, perm, pc_ent->perm_stat);
1785 ps_ent->n_copies += n_ops;
1786 stat_add_int_distrib_tbl(ps_ent->chains, size, cnt_1);
1789 ps_ent->n_exchg += n_ops;
1790 stat_add_int_distrib_tbl(ps_ent->cycles, size, cnt_1);
1796 /* Dumps a statistics snapshot */
1797 void stat_dump_snapshot(const char *name, const char *phase)
1803 if (! status->stat_options)
1808 graph_entry_t *entry;
1809 graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
1812 * The constant counter is only global, so we clear it here.
1813 * Note that it does NOT contain the constants in DELETED
1814 * graphs due to this.
1816 if (status->stat_options & FIRMSTAT_COUNT_CONSTS)
1817 stat_const_clear(status);
1819 /* build the name */
1820 p = strrchr(name, '/');
1825 q = strrchr(name, '\\');
1827 /* NULL might be not the smallest pointer */
1828 if (q && (!p || q > p))
1836 if (l > sizeof(fname) - 1)
1837 l = sizeof(fname) - 1;
1839 memcpy(fname, name, l);
1846 strncat(fname, "firmstat-", sizeof(fname));
1847 strncat(fname, phase, sizeof(fname));
1848 strncat(fname, "-", sizeof(fname));
1849 strncat(fname, p, sizeof(fname));
1851 stat_dump_init(fname);
1853 /* calculate the graph statistics */
1854 for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) {
1856 if (entry->irg == NULL) {
1857 /* special entry for the global count */
1861 if (! entry->is_deleted) {
1862 /* the graph is still alive, count the nodes on it */
1863 update_graph_stat(global, entry);
1867 /* some calculations are dependent, we pushed them on the wait_q */
1868 while (! pdeq_empty(status->wait_q)) {
1869 entry = pdeq_getr(status->wait_q);
1871 update_graph_stat_2(global, entry);
1875 /* dump per graph */
1876 for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) {
1878 if (entry->irg == NULL) {
1879 /* special entry for the global count */
1883 if (! entry->is_deleted || status->stat_options & FIRMSTAT_COUNT_DELETED) {
1884 stat_dump_graph(entry);
1887 if (! entry->is_deleted) {
1888 /* clear the counter that are not accumulated */
1889 graph_clear_entry(entry, 0);
1894 stat_dump_graph(global);
1896 /* dump the const info */
1897 if (status->stat_options & FIRMSTAT_COUNT_CONSTS)
1898 stat_dump_consts(&status->const_info);
1902 stat_finish_pattern_history();
1904 /* clear the global counter here */
1906 node_entry_t *entry;
1908 for (entry = pset_first(global->opcode_hash); entry; entry = pset_next(global->opcode_hash)) {
1909 opcode_clear_entry(entry);
1911 /* clear all global counter */
1912 graph_clear_entry(global, 1);
1918 /** the hook entries for the Firm statistics module */
1919 static hook_entry_t stat_hooks[hook_last];
1921 /* initialize the statistics module. */
1922 void firm_init_stat(unsigned enable_options)
1924 #define X(a) a, sizeof(a)-1
1925 #define HOOK(h, fkt) \
1926 stat_hooks[h].hook._##h = fkt; register_hook(h, &stat_hooks[h])
1929 if (! (enable_options & FIRMSTAT_ENABLED))
1932 status = xmalloc(sizeof(*status));
1933 memset(status, 0, sizeof(*status));
1935 /* enable statistics */
1936 status->stat_options = enable_options & FIRMSTAT_ENABLED ? enable_options : 0;
1938 /* register all hooks */
1939 HOOK(hook_new_ir_op, stat_new_ir_op);
1940 HOOK(hook_free_ir_op, stat_free_ir_op);
1941 HOOK(hook_new_node, stat_new_node);
1942 HOOK(hook_turn_into_id, stat_turn_into_id);
1943 HOOK(hook_new_graph, stat_new_graph);
1944 HOOK(hook_free_graph, stat_free_graph);
1945 HOOK(hook_irg_walk, stat_irg_walk);
1946 HOOK(hook_irg_walk_blkwise, stat_irg_walk_blkwise);
1947 HOOK(hook_irg_block_walk, stat_irg_block_walk);
1948 HOOK(hook_merge_nodes, stat_merge_nodes);
1949 HOOK(hook_reassociate, stat_reassociate);
1950 HOOK(hook_lower, stat_lower);
1951 HOOK(hook_inline, stat_inline);
1952 HOOK(hook_tail_rec, stat_tail_rec);
1953 HOOK(hook_strength_red, stat_strength_red);
1954 HOOK(hook_dead_node_elim, stat_dead_node_elim);
1955 HOOK(hook_if_conversion, stat_if_conversion);
1956 HOOK(hook_func_call, stat_func_call);
1957 HOOK(hook_arch_dep_replace_mul_with_shifts, stat_arch_dep_replace_mul_with_shifts);
1958 HOOK(hook_arch_dep_replace_division_by_const, stat_arch_dep_replace_division_by_const);
1959 HOOK(hook_be_block_regpressure, stat_be_block_regpressure);
1960 HOOK(hook_be_block_sched_ready, stat_be_block_sched_ready);
1961 HOOK(hook_be_block_stat_perm, stat_be_block_stat_perm);
1962 HOOK(hook_be_block_stat_permcycle, stat_be_block_stat_permcycle);
1964 obstack_init(&status->cnts);
1965 obstack_init(&status->be_data);
1967 /* create the hash-tables */
1968 status->irg_hash = new_pset(graph_cmp, 8);
1969 status->ir_op_hash = new_pset(opcode_cmp_2, 1);
1971 /* create the wait queue */
1972 status->wait_q = new_pdeq();
1974 if (enable_options & FIRMSTAT_COUNT_STRONG_OP) {
1975 /* build the pseudo-ops */
1977 _op_Phi0.code = --num;
1978 _op_Phi0.name = new_id_from_chars(X("Phi0"));
1980 _op_PhiM.code = --num;
1981 _op_PhiM.name = new_id_from_chars(X("PhiM"));
1983 _op_ProjM.code = --num;
1984 _op_ProjM.name = new_id_from_chars(X("ProjM"));
1986 _op_MulC.code = --num;
1987 _op_MulC.name = new_id_from_chars(X("MulC"));
1989 _op_DivC.code = --num;
1990 _op_DivC.name = new_id_from_chars(X("DivC"));
1992 _op_ModC.code = --num;
1993 _op_ModC.name = new_id_from_chars(X("ModC"));
1995 _op_DivModC.code = --num;
1996 _op_DivModC.name = new_id_from_chars(X("DivModC"));
1998 status->op_Phi0 = &_op_Phi0;
1999 status->op_PhiM = &_op_PhiM;
2000 status->op_ProjM = &_op_ProjM;
2001 status->op_MulC = &_op_MulC;
2002 status->op_DivC = &_op_DivC;
2003 status->op_ModC = &_op_ModC;
2004 status->op_DivModC = &_op_DivModC;
2007 status->op_Phi0 = NULL;
2008 status->op_PhiM = NULL;
2009 status->op_ProjM = NULL;
2010 status->op_MulC = NULL;
2011 status->op_DivC = NULL;
2012 status->op_ModC = NULL;
2013 status->op_DivModC = NULL;
2016 if (enable_options & FIRMSTAT_COUNT_SELS) {
2017 _op_SelSel.code = --num;
2018 _op_SelSel.name = new_id_from_chars(X("Sel(Sel)"));
2020 _op_SelSelSel.code = --num;
2021 _op_SelSelSel.name = new_id_from_chars(X("Sel(Sel(Sel))"));
2023 status->op_SelSel = &_op_SelSel;
2024 status->op_SelSelSel = &_op_SelSelSel;
2027 status->op_SelSel = NULL;
2028 status->op_SelSelSel = NULL;
2031 /* register the dumper */
2032 stat_register_dumper(&simple_dumper);
2034 if (enable_options & FIRMSTAT_CSV_OUTPUT)
2035 stat_register_dumper(&csv_dumper);
2037 /* initialize the pattern hash */
2038 stat_init_pattern_history(enable_options & FIRMSTAT_PATTERN_ENABLED);
2040 /* initialize the Const options */
2041 if (enable_options & FIRMSTAT_COUNT_CONSTS)
2042 stat_init_const_cnt(status);
2048 /* terminates the statistics module, frees all memory */
2049 void stat_term(void) {
2050 if (status != (stat_info_t *)&status_disable) {
2051 obstack_free(&status->be_data, NULL);
2052 obstack_free(&status->cnts, NULL);
2054 status = (stat_info_t *)&status_disable;
2060 /* initialize the statistics module. */
2061 void firm_init_stat(unsigned enable_options) {}
2063 /* Dumps a statistics snapshot */
2064 void stat_dump_snapshot(const char *name, const char *phase) {}
2066 /* terminates the statistics module, frees all memory */
2067 void stat_term(void);
2069 #endif /* FIRM_STATISTICS */