*/
#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
#endif
-# include <string.h>
+#ifdef FIRM_STATISTICS
-# include "irop_t.h"
-# include "irnode_t.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
-# include "xmalloc.h"
+#include "firmstat_t.h"
+#include "pattern.h"
+#include "dags.h"
+#include "stat_dmp.h"
/*
- * 64 bit should be enough for now
+ * need this to be static:
+ * Special pseudo Opcodes that we need to count some interesting cases
*/
-#define STAT_CNT_NUM 2
-typedef struct _counter_t {
- unsigned cnt[STAT_CNT_NUM];
-} counter_t;
+/**
+ * The Phi0, a node that is created during SSA construction
+ */
+static ir_op _op_Phi0;
+
+/** The PhiM, just to count memorty Phi's. */
+static ir_op _op_PhiM;
+
+/** The Mul by Const node. */
+static ir_op _op_MulC;
+
+/** The Div by Const node. */
+static ir_op _op_DivC;
+
+/** The Div by Const node. */
+static ir_op _op_ModC;
+
+/** The Div by Const node. */
+static ir_op _op_DivModC;
+/* ---------------------------------------------------------------------------------- */
-static INLINE cnt_inc(counter_t *cnt)
+#define STAT_ENTER ++status->recursive
+#define STAT_LEAVE --status->recursive
+#define STAT_ENTER_SINGLE do { if (status->recursive > 0) return; ++status->recursive; } while (0)
+
+/**
+ * global status
+ */
+static stat_info_t _status, *status = &_status;
+
+/**
+ * compare two elements of the opcode hash
+ */
+static int opcode_cmp(const void *elt, const void *key)
{
- int i;
+ const node_entry_t *e1 = elt;
+ const node_entry_t *e2 = key;
+
+ return e1->op->code - e2->op->code;
+}
+
+/**
+ * compare two elements of the graph hash
+ */
+static int graph_cmp(const void *elt, const void *key)
+{
+ const graph_entry_t *e1 = elt;
+ const graph_entry_t *e2 = key;
+
+ return e1->irg != e2->irg;
+}
- for (i = 0; i < STAT_CNT_NUM; ++i) {
- if (++cnt->cnt[i])
- break;
+/**
+ * compare two elements of the optimization hash
+ */
+static int opt_cmp(const void *elt, const void *key)
+{
+ const opt_entry_t *e1 = elt;
+ const opt_entry_t *e2 = key;
+
+ return e1->op->code != e2->op->code;
}
-static INLINE cnt_dec(counter_t *cnt)
+/**
+ * compare two elements of the block hash
+ */
+static int block_cmp(const void *elt, const void *key)
{
+ const block_entry_t *e1 = elt;
+ const block_entry_t *e2 = key;
+
+ return e1->block_nr != e2->block_nr;
+}
+
+/**
+ * compare two elements of the ir_op hash
+ */
+static int opcode_cmp_2(const void *elt, const void *key)
+{
+ const ir_op *e1 = elt;
+ const ir_op *e2 = key;
+
+ return e1->code != e2->code;
+}
+
+/**
+ * clears all counter in a node_entry_t
+ */
+static void opcode_clear_entry(node_entry_t *elem)
+{
+ cnt_clr(&elem->cnt_alive);
+ cnt_clr(&elem->new_node);
+ cnt_clr(&elem->into_Id);
+}
+
+/**
+ * Returns the associates node_entry_t for an ir_op
+ */
+static node_entry_t *opcode_get_entry(const ir_op *op, pset *set)
+{
+ node_entry_t key;
+ node_entry_t *elem;
+
+ key.op = op;
+
+ elem = pset_find(set, &key, op->code);
+ if (elem)
+ return elem;
+
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+
+ /* clear counter */
+ opcode_clear_entry(elem);
+
+ elem->op = op;
+
+ return pset_insert(set, elem, op->code);
+}
+
+/**
+ * Returns the associates ir_op for an opcode
+ */
+static ir_op *opcode_find_entry(opcode code, pset *set)
+{
+ ir_op key;
+
+ key.code = code;
+ return pset_find(set, &key, code);
+}
+
+/**
+ * calculates a hash value for an irg
+ * Addresses are typically aligned at 32bit, so we ignore the lowest bits
+ */
+static INLINE unsigned irg_hash(const ir_graph *irg)
+{
+ return (unsigned)irg >> 3;
+}
+
+/**
+ * clears all counter in a graph_entry_t
+ */
+static void graph_clear_entry(graph_entry_t *elem, int all)
+{
+ if (all) {
+ cnt_clr(&elem->cnt_walked);
+ cnt_clr(&elem->cnt_walked_blocks);
+ cnt_clr(&elem->cnt_was_inlined);
+ cnt_clr(&elem->cnt_got_inlined);
+ cnt_clr(&elem->cnt_strength_red);
+ }
+ cnt_clr(&elem->cnt_edges);
+ cnt_clr(&elem->cnt_all_calls);
+ cnt_clr(&elem->cnt_indirect_calls);
+}
+
+/**
+ * Returns the acssociates graph_entry_t for an irg
+ */
+static graph_entry_t *graph_get_entry(ir_graph *irg, pset *set)
+{
+ graph_entry_t key;
+ graph_entry_t *elem;
int i;
- for (i = 0; i < STAT_CNT_NUM; ++i) {
- if (--cnt->cnt[i] != -1)
- break;
+ key.irg = irg;
+
+ elem = pset_find(set, &key, irg_hash(irg));
+ if (elem)
+ return elem;
+
+ /* allocate a new one */
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+
+ /* clear counter */
+ graph_clear_entry(elem, 1);
+
+ /* new hash table for opcodes here */
+ elem->opcode_hash = new_pset(opcode_cmp, 5);
+ elem->block_hash = new_pset(block_cmp, 5);
+ elem->irg = irg;
+
+ for (i = 0; i < sizeof(elem->opt_hash)/sizeof(elem->opt_hash[0]); ++i)
+ elem->opt_hash[i] = new_pset(opt_cmp, 4);
+
+ return pset_insert(set, elem, irg_hash(irg));
+}
+
+/**
+ * clears all counter in an opt_entry_t
+ */
+static void opt_clear_entry(opt_entry_t *elem)
+{
+ cnt_clr(&elem->count);
+}
+
+/**
+ * Returns the associates opt_entry_t for an ir_op
+ */
+static opt_entry_t *opt_get_entry(const ir_op *op, pset *set)
+{
+ opt_entry_t key;
+ opt_entry_t *elem;
+
+ key.op = op;
+
+ elem = pset_find(set, &key, op->code);
+ if (elem)
+ return elem;
+
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+
+ /* clear new counter */
+ opt_clear_entry(elem);
+
+ elem->op = op;
+
+ return pset_insert(set, elem, op->code);
+}
+
+/**
+ * clears all counter in a block_entry_t
+ */
+static void block_clear_entry(block_entry_t *elem)
+{
+ cnt_clr(&elem->cnt_nodes);
+ cnt_clr(&elem->cnt_edges);
+ cnt_clr(&elem->cnt_in_edges);
+ cnt_clr(&elem->cnt_out_edges);
+}
+
+/**
+ * Returns the associates block_entry_t for an block
+ */
+static block_entry_t *block_get_entry(long block_nr, pset *set)
+{
+ block_entry_t key;
+ block_entry_t *elem;
+
+ key.block_nr = block_nr;
+
+ elem = pset_find(set, &key, block_nr);
+ if (elem)
+ return elem;
+
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+
+ /* clear new counter */
+ block_clear_entry(elem);
+
+ elem->block_nr = block_nr;
+
+ return pset_insert(set, elem, block_nr);
+}
+
+
+/**
+ * Returns the ir_op for an IR-node,
+ * handles special cases and return pseudo op codes
+ */
+static ir_op *stat_get_irn_op(ir_node *node)
+{
+ ir_op *op = get_irn_op(node);
+
+ if (op->code == iro_Phi && get_irn_arity(node) == 0) {
+ /* special case, a Phi0 node, count on extra counter */
+ op = status->op_Phi0;
+ }
+ else if (op->code == iro_Phi && get_irn_mode(node) == mode_M) {
+ /* special case, a Memory Phi node, count on extra counter */
+ op = status->op_PhiM;
+ }
+ else if (op->code == iro_Mul &&
+ (get_irn_op(get_Mul_left(node)) == op_Const || get_irn_op(get_Mul_right(node)) == op_Const)) {
+ /* special case, a Multiply by a const, count on extra counter */
+ op = status->op_MulC ? status->op_MulC : op_Mul;
+ }
+ else if (op->code == iro_Div && get_irn_op(get_Div_right(node)) == op_Const) {
+ /* special case, a division by a const, count on extra counter */
+ op = status->op_DivC ? status->op_DivC : op_Div;
+ }
+ else if (op->code == iro_Mod && get_irn_op(get_Mod_right(node)) == op_Const) {
+ /* special case, a module by a const, count on extra counter */
+ op = status->op_ModC ? status->op_ModC : op_Mod;
+ }
+ else if (op->code == iro_DivMod && get_irn_op(get_DivMod_right(node)) == op_Const) {
+ /* special case, a division/modulo by a const, count on extra counter */
+ op = status->op_DivModC ? status->op_DivModC : op_DivMod;
+ }
+
+ return op;
+}
+
+/**
+ * update the block counter
+ */
+static void count_block_info(ir_node *node, graph_entry_t *graph)
+{
+ ir_op *op = get_irn_op(node);
+ ir_node *block;
+ block_entry_t *b_entry;
+ int i, arity;
+
+ /* check for block */
+ if (op == op_Block) {
+ arity = get_irn_arity(node);
+ b_entry = block_get_entry(get_irn_node_nr(node), graph->block_hash);
+
+ /* count all incoming edges */
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+ ir_node *other_block = get_nodes_block(pred);
+ block_entry_t *b_entry_other = block_get_entry(get_irn_node_nr(other_block), graph->block_hash);
+
+ cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
+ cnt_inc(&b_entry_other->cnt_out_edges);
+ }
+ return;
+ }
+ else if (op == op_Call) {
+ // return;
+ }
+
+ block = get_nodes_block(node);
+ b_entry = block_get_entry(get_irn_node_nr(block), graph->block_hash);
+
+ /* we have a new nodes */
+ cnt_inc(&b_entry->cnt_nodes);
+
+ arity = get_irn_arity(node);
+
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+ ir_node *other_block;
+
+ if (get_irn_op(pred) == op_Block)
+ continue;
+
+ other_block = get_nodes_block(pred);
+
+ if (other_block == block)
+ cnt_inc(&b_entry->cnt_edges); /* a in block edge */
+ else {
+ block_entry_t *b_entry_other = block_get_entry(get_irn_node_nr(other_block), graph->block_hash);
+
+ cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
+ cnt_inc(&b_entry_other->cnt_out_edges);
+ }
+ }
+}
+
+/**
+ * update info on calls
+ */
+static void update_call_stat(ir_node *call, graph_entry_t *graph)
+{
+ ir_node *ptr = get_Call_ptr(call);
+ entity *ent = NULL;
+
+ cnt_inc(&graph->cnt_all_calls);
+
+ /* found a call, is not a leaf function */
+ graph->is_leaf = 0;
+
+ if (get_irn_op(ptr) == op_SymConst) {
+ if (get_SymConst_kind(ptr) == symconst_addr_ent) {
+ /* ok, we seems to know the entity */
+ ent = get_SymConst_entity(ptr);
+
+ if (get_entity_irg(ent) == graph->irg)
+ graph->is_recursive = 1;
+ }
+ }
+ else {
+ /* indirect call */
+ cnt_inc(&graph->cnt_indirect_calls);
+ }
+
+ /* check, if it's a chain-call: Then, the call-block
+ * must dominate the end block. */
+ {
+ ir_node *curr = get_irg_end_block(graph->irg);
+ ir_node *block = get_nodes_block(call);
+ int depth = get_Block_dom_depth(block);
+
+ for (; curr != block && get_Block_dom_depth(curr) > depth;) {
+ curr = get_Block_idom(curr);
+
+ if (! curr || is_no_Block(curr))
+ break;
+ }
+
+ if (curr != block)
+ graph->is_chain_call = 0;
+ }
+}
+
+/**
+ * walker for reachable nodes count
+ */
+static void update_node_stat(ir_node *node, void *env)
+{
+ graph_entry_t *graph = env;
+ node_entry_t *entry;
+
+ ir_op *op = stat_get_irn_op(node);
+ int arity = get_irn_arity(node);
+
+ entry = opcode_get_entry(op, graph->opcode_hash);
+
+ cnt_inc(&entry->cnt_alive);
+ cnt_add_i(&graph->cnt_edges, arity);
+
+ /* count block edges */
+ count_block_info(node, graph);
+
+ /* check for properties that depends on calls like recursion/leaf/indirect call */
+ if (get_irn_op(node) == op_Call)
+ update_call_stat(node, graph);
+}
+
+/**
+ * called for every graph when the graph is either deleted or stat_finish
+ * is called, must recalculate all statistic info
+ */
+static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
+{
+ node_entry_t *entry;
+
+ /* clear first the alive counter in the graph */
+ for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
+ cnt_clr(&entry->cnt_alive);
+ }
+
+ /* set pessimistic values */
+ graph->is_leaf = 1;
+ graph->is_recursive = 0;
+ graph->is_chain_call = 1;
+
+ /* we need dominator info */
+ if (graph->irg != get_const_code_irg())
+ if (get_irg_dom_state(graph->irg) != dom_consistent)
+ compute_doms(graph->irg);
+
+ /* count the nodes in the graph */
+ irg_walk_graph(graph->irg, update_node_stat, NULL, graph);
+
+#if 0
+ entry = opcode_get_entry(op_Call, graph->opcode_hash);
+
+ /* check if we have more than 1 call */
+ if (cnt_gt(entry->cnt_alive, 1))
+ graph->is_chain_call = 0;
+#endif
+
+ /* recursive functions are never chain calls, leafs don't have calls */
+ if (graph->is_recursive || graph->is_leaf)
+ graph->is_chain_call = 0;
+
+ /* assume we walk every graph only ONCE, we could sum here the global count */
+ for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
+ node_entry_t *g_entry = opcode_get_entry(entry->op, global->opcode_hash);
+
+ /* update the node counter */
+ cnt_add(&g_entry->cnt_alive, &entry->cnt_alive);
+ }
+
+ /* update the edge counter */
+ cnt_add(&global->cnt_edges, &graph->cnt_edges);
+}
+
+/**
+ * register a dumper
+ */
+static void stat_register_dumper(const dumper_t *dumper)
+{
+ dumper_t *p = malloc(sizeof(*p));
+
+ if (p) {
+ *p = *dumper;
+
+ p->next = status->dumper;
+ p->status = status;
+ status->dumper = p;
+ }
+
+ /* FIXME: memory leak */
+}
+
+/**
+ * dumps an irg
+ */
+static void dump_graph(graph_entry_t *entry)
+{
+ dumper_t *dumper;
+
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->dump_graph)
+ dumper->dump_graph(dumper, entry);
+ }
+}
+
+/**
+ * initialise the dumper
+ */
+static void dump_init(const char *name)
+{
+ dumper_t *dumper;
+
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->init)
+ dumper->init(dumper, name);
+ }
+}
+
+/**
+ * finish the dumper
+ */
+static void dump_finish(void)
+{
+ dumper_t *dumper;
+
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->finish)
+ dumper->finish(dumper);
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+/*
+ * helper: get an ir_op from an opcode
+ */
+ir_op *stat_get_op_from_opcode(opcode code)
+{
+ return opcode_find_entry(code, status->ir_op_hash);
+}
+
+/* initialize the statistics module. */
+void init_stat(unsigned enable_options)
+{
+#define X(a) a, sizeof(a)-1
+
+ int pseudo_id = 0;
+
+ /* enable statistics */
+ status->enable = enable_options & FIRMSTAT_ENABLED;
+
+ if (! status->enable)
+ return;
+
+ obstack_init(&status->cnts);
+
+ /* build the pseudo-ops */
+ _op_Phi0.code = --pseudo_id;
+ _op_Phi0.name = new_id_from_chars(X("Phi0"));
+
+ _op_PhiM.code = --pseudo_id;
+ _op_PhiM.name = new_id_from_chars(X("PhiM"));
+
+ _op_MulC.code = --pseudo_id;
+ _op_MulC.name = new_id_from_chars(X("MulC"));
+
+ _op_DivC.code = --pseudo_id;
+ _op_DivC.name = new_id_from_chars(X("DivC"));
+
+ _op_ModC.code = --pseudo_id;
+ _op_ModC.name = new_id_from_chars(X("ModC"));
+
+ _op_DivModC.code = --pseudo_id;
+ _op_DivModC.name = new_id_from_chars(X("DivModC"));
+
+ /* create the hash-tables */
+ status->irg_hash = new_pset(graph_cmp, 8);
+ status->ir_op_hash = new_pset(opcode_cmp_2, 1);
+
+ status->op_Phi0 = &_op_Phi0;
+ status->op_PhiM = &_op_PhiM;
+
+ if (enable_options & FIRMSTAT_COUNT_STRONG_OP) {
+ status->op_MulC = &_op_MulC;
+ status->op_DivC = &_op_DivC;
+ status->op_ModC = &_op_ModC;
+ status->op_DivModC = &_op_DivModC;
+ }
+ else {
+ status->op_MulC = NULL;
+ status->op_DivC = NULL;
+ status->op_ModC = NULL;
+ status->op_DivModC = NULL;
+ }
+
+ /* register the dumper */
+ stat_register_dumper(&simple_dumper);
+
+ if (enable_options & FIRMSTAT_CSV_OUTPUT)
+ stat_register_dumper(&csv_dumper);
+
+ /* initialize the pattern hash */
+ stat_init_pattern_history(enable_options & FIRMSTAT_PATTERN_ENABLED);
+#undef X
}
/* A new IR op is registered. */
void stat_new_ir_op(const ir_op *op)
{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(NULL, status->irg_hash);
+
+ /* execute for side effect :-) */
+ opcode_get_entry(op, graph->opcode_hash);
+
+ pset_insert(status->ir_op_hash, op, op->code);
+ }
+ STAT_LEAVE;
}
/* An IR op is freed. */
void stat_free_ir_op(const ir_op *op)
{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ }
+ STAT_LEAVE;
}
-/* initialize the statistics module. */
-void stat_init(void)
+/* A new node is created. */
+void stat_new_node(ir_node *node)
{
+ if (! status->enable)
+ return;
+
+ /* do NOT count during dead node elimination */
+ if (status->in_dead_node_elim > 0)
+ return;
+
+ STAT_ENTER;
+ {
+ node_entry_t *entry;
+ graph_entry_t *graph;
+ ir_op *op = stat_get_irn_op(node);
+
+ /* increase global value */
+ graph = graph_get_entry(NULL, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->new_node);
+
+ /* increase local value */
+ graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->new_node);
+ }
+ STAT_LEAVE;
}
-/* A new node is created. */
-void stat_new_node(const ir_node *node)
+/* A node is changed into a Id node */
+void stat_turn_into_id(ir_node *node)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ node_entry_t *entry;
+ graph_entry_t *graph;
+ ir_op *op = stat_get_irn_op(node);
+
+ /* increase global value */
+ graph = graph_get_entry(NULL, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->into_Id);
+
+ /* increase local value */
+ graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->into_Id);
+ }
+ STAT_LEAVE;
+}
+
+/* A new graph was created */
+void stat_new_graph(ir_graph *irg, entity *ent)
{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ /* execute for side effect :-) */
+ graph_entry_t * graph = graph_get_entry(irg, status->irg_hash);
+
+ graph->ent = ent;
+ graph->is_deleted = 0;
+ graph->is_leaf = 0;
+ graph->is_recursive = 0;
+ graph->is_chain_call = 0;
+ }
+ STAT_LEAVE;
}
+
+/*
+ * A graph will be deleted
+ */
+void stat_free_graph(ir_graph *irg)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
+
+ graph->is_deleted = 1;
+
+ /* count the nodes of the graph yet, it will be destroyed later */
+ update_graph_stat(global, graph);
+
+ /* count the DAG's */
+// count_dags_in_graph(global, graph);
+
+ /* calculate the pattern */
+ stat_calc_pattern_history(irg);
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * A walk over a graph is initiated. Do not count walks from statistic code.
+ */
+void stat_irg_walk(ir_graph *irg, void *pre, void *post)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER_SINGLE;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+
+ cnt_inc(&graph->cnt_walked);
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * A walk over a graph in block-wise order is initiated. Do not count walks from statistic code.
+ */
+void stat_irg_walk_blkwise(ir_graph *irg, void *pre, void *post)
+{
+ /* for now, do NOT differentiate between blockwise and normal */
+ stat_irg_walk(irg, pre, post);
+}
+
+/*
+ * A walk over the graph's blocks is initiated. Do not count walks from statistic code.
+ */
+void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER_SINGLE;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+
+ cnt_inc(&graph->cnt_walked_blocks);
+ }
+ STAT_LEAVE;
+}
+
+/**
+ * called for every node that is removed due to an optimization
+ */
+static void removed_due_opt(ir_node *n, pset *set)
+{
+ ir_op *op = stat_get_irn_op(n);
+ opt_entry_t *entry = opt_get_entry(op, set);
+
+ /* increase global value */
+ cnt_inc(&entry->count);
+}
+
+/*
+ * Some nodes were optimized into some others due to an optimization
+ */
+void stat_merge_nodes(
+ ir_node **new_node_array, int new_num_entries,
+ ir_node **old_node_array, int old_num_entries,
+ stat_opt_kind opt)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ int i, j;
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+
+ if (status->reassoc_run)
+ opt = STAT_OPT_REASSOC;
+
+ for (i = 0; i < old_num_entries; ++i) {
+ for (j = 0; j < new_num_entries; ++j)
+ if (old_node_array[i] == new_node_array[j])
+ break;
+
+ /* nodes might be in new and old, these are NOT removed */
+ if (j >= new_num_entries) {
+ removed_due_opt(old_node_array[i], graph->opt_hash[opt]);
+ }
+ }
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * reassociation started/stopped.
+ */
+void stat_reassociate(int flag)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ status->reassoc_run = flag;
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * A node was lowered into other nodes
+ */
+void stat_lower(ir_node *node)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+
+ removed_due_opt(node, graph->opt_hash[STAT_LOWERED]);
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * A graph was inlined
+ */
+void stat_inline(ir_node *call, ir_graph *called_irg)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ ir_graph *irg = get_irn_irg(call);
+ graph_entry_t *i_graph = graph_get_entry(called_irg, status->irg_hash);
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+
+ cnt_inc(&graph->cnt_got_inlined);
+ cnt_inc(&i_graph->cnt_was_inlined);
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * A graph with tail-recursions was optimized.
+ */
+void stat_tail_rec(ir_graph *irg)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * Strength reduction was performed on an iteration variable.
+ */
+void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ cnt_inc(&graph->cnt_strength_red);
+
+ removed_due_opt(strong, graph->opt_hash[STAT_OPT_STRENGTH_RED]);
+ }
+ STAT_LEAVE;
+}
+
+/*
+ * Start the dead node elimination.
+ */
+void stat_dead_node_elim_start(ir_graph *irg)
+{
+ if (! status->enable)
+ return;
+
+ ++status->in_dead_node_elim;
+}
+
+/*
+ * Stops the dead node elimination.
+ */
+void stat_dead_node_elim_stop(ir_graph *irg)
+{
+ if (! status->enable)
+ return;
+
+ --status->in_dead_node_elim;
+}
+
+/*
+ * A multiply was replaced by a series of Shifts/Adds/Subs
+ */
+void stat_arch_dep_replace_mul_with_shifts(ir_node *mul)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ removed_due_opt(mul, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+ }
+ STAT_LEAVE;
+}
+
+/**
+ * A division was replaced by a series of Shifts/Muls
+ */
+void stat_arch_dep_replace_div_by_const(ir_node *div)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ removed_due_opt(div, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+ }
+ STAT_LEAVE;
+}
+
+/**
+ * A modulo was replaced by a series of Shifts/Muls
+ */
+void stat_arch_dep_replace_mod_by_const(ir_node *mod)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ removed_due_opt(mod, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+ }
+ STAT_LEAVE;
+}
+
+/**
+ * A DivMod was replaced by a series of Shifts/Muls
+ */
+void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ removed_due_opt(divmod, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+ }
+ STAT_LEAVE;
+}
+
+/* Finish the statistics */
+void stat_finish(const char *name)
+{
+ if (! status->enable)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *entry;
+ graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
+
+ dump_init(name);
+
+ /* dump per graph */
+ for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) {
+
+ if (entry->irg == NULL) {
+ /* special entry for the global count */
+ continue;
+ }
+
+ if (! entry->is_deleted) {
+ /* the graph is still alive, count the nodes on it */
+ update_graph_stat(global, entry);
+
+ /* count the DAG's */
+// count_dags_in_graph(global, entry);
+
+ /* calculate the pattern */
+ stat_calc_pattern_history(entry->irg);
+ }
+
+ dump_graph(entry);
+
+ /* clear the counter that are not accumulated */
+ graph_clear_entry(entry, 0);
+ }
+
+ /* dump global */
+ dump_graph(global);
+ dump_finish();
+
+ stat_finish_pattern_history();
+
+ /* clear the global counter here */
+ {
+ node_entry_t *entry;
+
+ for (entry = pset_first(global->opcode_hash); entry; entry = pset_next(global->opcode_hash)) {
+ opcode_clear_entry(entry);
+ }
+ /* clear all global counter */
+ graph_clear_entry(global, 1);
+ }
+
+ /* finished */
+// status->enable = 0;
+ }
+ STAT_LEAVE;
+}
+
+#else
+
+/* need this for prototypes */
+#define FIRM_STATISTICS
+#include "firmstat.h"
+
+void init_stat(unsigned enable_options) {}
+
+void stat_finish(const char *name) {}
+
+void stat_new_ir_op(const ir_op *op) {}
+
+void stat_free_ir_op(const ir_op *op) {}
+
+void stat_new_node(ir_node *node) {}
+
+void stat_turn_into_id(ir_node *node) {}
+
+void stat_new_graph(ir_graph *irg, entity *ent) {}
+
+void stat_free_graph(ir_graph *irg) {}
+
+void stat_irg_walk(ir_graph *irg, void *pre, void *post) {}
+
+void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post) {}
+
+void stat_merge_nodes(
+ ir_node **new_node_array, int new_num_entries,
+ ir_node **old_node_array, int old_num_entries,
+ stat_opt_kind opt) {}
+
+void stat_reassociate(int start) {}
+
+void stat_lower(ir_node *node) {}
+
+void stat_inline(ir_node *call, ir_graph *irg) {}
+
+void stat_tail_rec(ir_graph *irg) {}
+
+void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp) {}
+
+void stat_dead_node_elim_start(ir_graph *irg) {}
+
+void stat_dead_node_elim_stop(ir_graph *irg) {}
+
+void stat_arch_dep_replace_mul_with_shifts(ir_node *mul) {}
+
+void stat_arch_dep_replace_div_by_const(ir_node *div) {}
+
+void stat_arch_dep_replace_mod_by_const(ir_node *mod) {}
+
+void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod) {}
+
+#endif
projects / libfirm / blobdiff