X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fstat%2Ffirmstat.c;h=1bac51828a949465d5d7fc3a91032a21032174ba;hb=184602875611495e608c27263d0a5a8f24078a70;hp=6d033855ba57aa894c6758150cd52af996f9657d;hpb=69323fd50a31e8c74dd50cdc595c966118d22fa6;p=libfirm diff --git a/ir/stat/firmstat.c b/ir/stat/firmstat.c index 6d033855b..1bac51828 100644 --- a/ir/stat/firmstat.c +++ b/ir/stat/firmstat.c @@ -10,60 +10,1510 @@ */ #ifdef HAVE_CONFIG_H -# include +# include "config.h" #endif -# include +#ifdef FIRM_STATISTICS -# include "irop_t.h" -# include "irnode_t.h" +#include -# include "xmalloc.h" +#ifdef HAVE_STDLIB_H +# include +#endif +#ifdef HAVE_STRING_H +# include +#endif + +#include "irouts.h" +#include "irdump.h" +#include "hashptr.h" +#include "firmstat_t.h" +#include "pattern.h" +#include "dags.h" +#include "stat_dmp.h" +#include "xmalloc.h" +#include "irhooks.h" /* - * 64 bit should be enough for now + * need this to be static: + * Special pseudo Opcodes that we need to count some interesting cases + */ + +/** + * The Phi0, a node that is created during SSA construction + */ +static ir_op _op_Phi0; + +/** The PhiM, just to count memory 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; + +/** The memory Proj node. */ +static ir_op _op_ProjM; + +/* ---------------------------------------------------------------------------------- */ + +/** Marks the begin of a statistic (hook) function. */ +#define STAT_ENTER ++status->recursive + +/** Marks the end of a statistic (hook) functions. */ +#define STAT_LEAVE --status->recursive + +/** Allows to enter a statistic function only when we are not already in a hook. */ +#define STAT_ENTER_SINGLE do { if (status->recursive > 0) return; ++status->recursive; } while (0) + +/** + * global status */ -#define STAT_CNT_NUM 2 +static stat_info_t _status, *status = &_status; -typedef struct _counter_t { - unsigned cnt[STAT_CNT_NUM]; -} counter_t; +/** + * compare two elements of the opcode hash + */ +static int opcode_cmp(const void *elt, const void *key) +{ + const node_entry_t *e1 = elt; + const node_entry_t *e2 = key; + return e1->op->code - e2->op->code; +} -static INLINE cnt_inc(counter_t *cnt) +/** + * compare two elements of the graph hash + */ +static int graph_cmp(const void *elt, const void *key) { - int i; + const graph_entry_t *e1 = elt; + const graph_entry_t *e2 = key; + + return e1->irg != e2->irg; +} + +/** + * 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; +} + +/** + * 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; +} + +/** + * compare two elements of the address_mark set + */ +static int address_mark_cmp(const void *elt, const void *key, size_t size) +{ + const address_mark_entry_t *e1 = elt; + const address_mark_entry_t *e2 = key; + + /* compare only the nodes, the rest is used as data container */ + return e1->node != e2->node; +} + +/** + * 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 + * + * @param op the IR operation + * @param hmap a hash map containing ir_op* -> node_entry_t* + */ +static node_entry_t *opcode_get_entry(const ir_op *op, hmap_node_entry_t *hmap) +{ + node_entry_t key; + node_entry_t *elem; + + key.op = op; + + elem = pset_find(hmap, &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(hmap, elem, op->code); +} + +/** + * Returns the associates ir_op for an opcode + * + * @param code the IR opcode + * @param hmap the hash map containing opcode -> ir_op* + */ +static ir_op *opcode_find_entry(opcode code, hmap_ir_op *hmap) +{ + ir_op key; + + key.code = code; + return pset_find(hmap, &key, code); +} - for (i = 0; i < STAT_CNT_NUM; ++i) { - if (++cnt->cnt[i]) - break; +/** + * 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_call_with_cnst_arg); + cnt_clr(&elem->cnt_indirect_calls); } -static INLINE cnt_dec(counter_t *cnt) +/** + * Returns the associated graph_entry_t for an IR graph. + * + * @param irg the IR graph + * @param hmap the hash map containing ir_graph* -> graph_entry_t* + */ +static graph_entry_t *graph_get_entry(ir_graph *irg, hmap_graph_entry_t *hmap) { + 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(hmap, &key, HASH_PTR(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->address_mark = new_set(address_mark_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(hmap, elem, HASH_PTR(irg)); +} + +/** + * clears all counter in an opt_entry_t + */ +static void opt_clear_entry(opt_entry_t *elem) +{ + cnt_clr(&elem->count); +} + +/** + * Returns the associated opt_entry_t for an IR operation. + * + * @param op the IR operation + * @param hmap the hash map containing ir_op* -> opt_entry_t* + */ +static opt_entry_t *opt_get_entry(const ir_op *op, hmap_opt_entry_t *hmap) +{ + opt_entry_t key; + opt_entry_t *elem; + + key.op = op; + + elem = pset_find(hmap, &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(hmap, 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); } -/* A new IR op is registered. */ -void stat_new_ir_op(const ir_op *op) +/** + * Returns the associated block_entry_t for an block. + * + * @param block_nr an IR block number + * @param hmap a hash map containing long -> block_entry_t + */ +static block_entry_t *block_get_entry(long block_nr, hmap_block_entry_t *hmap) { + block_entry_t key; + block_entry_t *elem; + + key.block_nr = block_nr; + + elem = pset_find(hmap, &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(hmap, elem, block_nr); } -/* An IR op is freed. */ -void stat_free_ir_op(const ir_op *op) + +/** + * Returns the ir_op for an IR-node, + * handles special cases and return pseudo op codes. + * + * @param none an IR node + */ +static ir_op *stat_get_irn_op(ir_node *node) { + ir_op *op = get_irn_op(node); + + if (op == op_Phi && get_irn_arity(node) == 0) { + /* special case, a Phi0 node, count on extra counter */ + op = status->op_Phi0 ? status->op_Phi0 : op; + } + else if (op == op_Phi && get_irn_mode(node) == mode_M) { + /* special case, a Memory Phi node, count on extra counter */ + op = status->op_PhiM ? status->op_PhiM : op; + } + else if (op == op_Proj && get_irn_mode(node) == mode_M) { + /* special case, a Memory Proj node, count on extra counter */ + op = status->op_ProjM ? status->op_ProjM : op; + } + else if (op == op_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; + } + else if (op == op_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; + } + else if (op == op_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; + } + else if (op == op_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; + } + + return op; } -/* initialize the statistics module. */ -void stat_init(void) +/** + * update the block counter + */ +static void undate_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; + } + + 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); + } + } +} + +/** calculates how many arguments of the call are const */ +static int cnt_const_args(ir_node *call) +{ + int i, res = 0; + int n = get_Call_n_params(call); + + for (i = 0; i < n; ++i) { + ir_node *param = get_Call_param(call, i); + ir_op *op = get_irn_op(param); + + if (op == op_Const || op == op_SymConst) + ++res; + } + return res; +} + +/** + * update info on calls + * + * @param call The call + * @param graph The graph entry containing the call + */ +static void update_call_stat(ir_node *call, graph_entry_t *graph) +{ + ir_node *block = get_nodes_block(call); + ir_node *ptr = get_Call_ptr(call); + entity *ent = NULL; + ir_graph *callee = NULL; + int num_const_args; + + /* + * If the block is bad, the whole subgraph will collapse later + * so do not count this call. + * This happens in dead code. + */ + if (is_Bad(block)) + return; + + cnt_inc(&graph->cnt_all_calls); + + /* found a call, this function is not a leaf */ + 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); + callee = get_entity_irg(ent); + + /* it is recursive, if it calls at least once */ + if (callee == graph->irg) + graph->is_recursive = 1; + } + } + else { + /* indirect call, be could not predict */ + cnt_inc(&graph->cnt_indirect_calls); + + /* NOT a leaf call */ + graph->is_leaf_call = LCS_NON_LEAF_CALL; + } + + /* 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); + 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; + } + + /* check, if the callee is a leaf */ + if (callee) { + graph_entry_t *called = graph_get_entry(callee, status->irg_hash); + + if (called->is_analyzed) { + if (! called->is_leaf) + graph->is_leaf_call = LCS_NON_LEAF_CALL; + } + } + + /* check, if arguments of the call are const */ + num_const_args = cnt_const_args(call); + + if (num_const_args > 0) + cnt_inc(&graph->cnt_call_with_cnst_arg); +} + +/** + * update info on calls for graphs on the wait queue + */ +static void update_call_stat_2(ir_node *call, graph_entry_t *graph) +{ + ir_node *block = get_nodes_block(call); + ir_node *ptr = get_Call_ptr(call); + entity *ent = NULL; + ir_graph *callee = NULL; + + /* + * If the block is bad, the whole subgraph will collapse later + * so do not count this call. + * This happens in dead code. + */ + if (is_Bad(block)) + return; + + 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); + callee = get_entity_irg(ent); + } + } + + /* check, if the callee is a leaf */ + if (callee) { + graph_entry_t *called = graph_get_entry(callee, status->irg_hash); + + assert(called->is_analyzed); + + if (! called->is_leaf) + graph->is_leaf_call = LCS_NON_LEAF_CALL; + } + else + graph->is_leaf_call = LCS_NON_LEAF_CALL; +} + +/** + * 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 */ + undate_block_info(node, graph); + + /* check for properties that depends on calls like recursion/leaf/indirect call */ + if (op == op_Call) + update_call_stat(node, graph); +} + +/** + * walker for reachable nodes count for graphs on the wait_q + */ +static void update_node_stat_2(ir_node *node, void *env) +{ + graph_entry_t *graph = env; + + /* check for properties that depends on calls like recursion/leaf/indirect call */ + if (get_irn_op(node) == op_Call) + update_call_stat_2(node, graph); +} + +/** + * get the current address mark + */ +static unsigned get_adr_mark(graph_entry_t *graph, ir_node *node) +{ + address_mark_entry_t *value = set_find(graph->address_mark, &node, sizeof(*value), HASH_PTR(node)); + + return value ? value->mark : 0; +} + +/** + * set the current address mark + */ +static void set_adr_mark(graph_entry_t *graph, ir_node *node, unsigned val) { + address_mark_entry_t *value = set_insert(graph->address_mark, &node, sizeof(*value), HASH_PTR(node)); + + value->mark = val; } -/* A new node is created. */ -void stat_new_node(const ir_node *node) +/** + * a vcg attribute hook: Color a node with a different color if + * it's identified as a part of an address expression or at least referenced + * by an address expression. + */ +static int stat_adr_mark_hook(FILE *F, ir_node *node, ir_node *local) { + ir_node *n = local ? local : node; + ir_graph *irg = get_irn_irg(n); + graph_entry_t *graph = graph_get_entry(irg, status->irg_hash); + unsigned mark = get_adr_mark(graph, n); + + if (mark & MARK_ADDRESS_CALC) + fprintf(F, "color: purple"); + else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR) + fprintf(F, "color: pink"); + else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == (MARK_REF_ADR|MARK_REF_NON_ADR)) + fprintf(F, "color: lightblue"); + else + return 0; + + /* I know the color! */ + return 1; +} + +/** + * walker that marks every node that is an address calculation + * + * predecessor nodes must be visited first. We ensure this by + * calling in in the post of an outs walk. This should work even in cycles, + * while the pre in a normal walk will not. + */ +static void mark_address_calc(ir_node *node, void *env) +{ + graph_entry_t *graph = env; + ir_mode *mode = get_irn_mode(node); + int i, n; + unsigned mark_preds = MARK_REF_NON_ADR; + + if (! mode_is_numP(mode)) + return; + + if (mode_is_reference(mode)) { + /* a reference is calculated here, we are sure */ + set_adr_mark(graph, node, MARK_ADDRESS_CALC); + + mark_preds = MARK_REF_ADR; + } + else { + unsigned mark = get_adr_mark(graph, node); + + if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR) { + /* + * this node has not an reference mode, but is only + * referenced by address calculations + */ + mark_preds = MARK_REF_ADR; + } + } + + /* mark all predecessors */ + for (i = 0, n = get_irn_arity(node); i < n; ++i) { + ir_node *pred = get_irn_n(node, i); + + set_adr_mark(graph, pred, get_adr_mark(graph, pred) | mark_preds); + } } + +/** + * Called for every graph when the graph is either deleted or stat_finish() + * is called, must recalculate all statistic info. + * + * @param global The global entry + * @param graph The current entry + */ +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_leaf_call = LCS_UNKNOWN; + 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); + + /* count the number of address calculation */ + if (graph->irg != get_const_code_irg()) { + ir_graph *rem = current_ir_graph; + + if (get_irg_outs_state(graph->irg) != outs_consistent) + compute_outs(graph->irg); + + /* Must be done an the outs graph */ + current_ir_graph = graph->irg; + irg_out_walk(get_irg_start(graph->irg), NULL, mark_address_calc, graph); + current_ir_graph = rem; + +#if 0 + set_dump_node_vcgattr_hook(stat_adr_mark_hook); + dump_ir_block_graph(graph->irg, "-adr"); + set_dump_node_vcgattr_hook(NULL); +#endif + } + + /* count the DAG's */ + if (status->stat_options & FIRMSTAT_COUNT_DAG) + count_dags_in_graph(global, graph); + + /* calculate the patterns of this graph */ + stat_calc_pattern_history(graph->irg); + + /* leaf function did not call others */ + if (graph->is_leaf) + graph->is_leaf_call = LCS_NON_LEAF_CALL; + else if (graph->is_leaf_call == LCS_UNKNOWN) { + /* we still don't know if this graph calls leaf-functions, so enqueue */ + pdeq_putl(status->wait_q, graph); + } + + /* we have analyzed this graph */ + graph->is_analyzed = 1; +} + +/** + * Called for every graph that was on the wait_q in stat_finish() + * must finish all statistic info calculations. + * + * @param global The global entry + * @param graph The current entry + */ +static void update_graph_stat_2(graph_entry_t *global, graph_entry_t *graph) +{ + if (graph->is_deleted) { + /* deleted, ignore */ + return; + } + + if (graph->irg) { + /* count the nodes in the graph */ + irg_walk_graph(graph->irg, update_node_stat_2, NULL, graph); + + if (graph->is_leaf_call == LCS_UNKNOWN) + graph->is_leaf_call = LCS_LEAF_CALL; + } +} + +/** + * register a dumper + */ +static void stat_register_dumper(const dumper_t *dumper) +{ + dumper_t *p = xmalloc(sizeof(*p)); + + if (p) { + *p = *dumper; + + p->next = status->dumper; + p->status = status; + status->dumper = p; + } + + /* FIXME: memory leak */ +} + +/** + * dumps an IR graph. + */ +static void stat_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); + } +} + +/** + * initialize the dumper + */ +static void stat_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 stat_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); +} + +/** + * A new IR op is registered. + * + * @param ctx the hook context + * @param op the new IR opcode that was created. + */ +static void stat_new_ir_op(void *ctx, ir_op *op) +{ + if (! status->stat_options) + 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. + * + * @param ctx the hook context + * @param op the IR opcode that is freed + */ +static void stat_free_ir_op(void *ctx, ir_op *op) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + } + STAT_LEAVE; +} + +/** + * A new node is created. + * + * @param ctx the hook context + * @param irg the IR graph on which the node is created + * @param node the new IR node that was created + */ +static void stat_new_node(void *ctx, ir_graph *irg, ir_node *node) +{ + if (! status->stat_options) + 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 node is changed into a Id node + * + * @param ctx the hook context + * @param node the IR node that will be turned into an ID + */ +static void stat_turn_into_id(void *ctx, ir_node *node) +{ + if (! status->stat_options) + 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 + * + * @param ctx the hook context + * @param irg the new IR graph that was created + * @param ent the entity of this graph + */ +static void stat_new_graph(void *ctx, ir_graph *irg, entity *ent) +{ + if (! status->stat_options) + 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_leaf_call = 0; + graph->is_recursive = 0; + graph->is_chain_call = 0; + graph->is_analyzed = 0; + } + STAT_LEAVE; +} + +/** + * A graph will be deleted + * + * @param ctx the hook context + * @param irg the IR graph that will be deleted + * + * Note that we still hold the information for this graph + * in our hash maps, only a flag is set which prevents this + * information from being changed, it's "frozen" from now. + */ +static void stat_free_graph(void *ctx, ir_graph *irg) +{ + if (! status->stat_options) + 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; + + if (status->stat_options & FIRMSTAT_COUNT_DELETED) { + /* count the nodes of the graph yet, it will be destroyed later */ + update_graph_stat(global, graph); + } + } + STAT_LEAVE; +} + +/** + * A walk over a graph is initiated. Do not count walks from statistic code. + * + * @param ctx the hook context + * @param irg the IR graph that will be walked + * @param pre the pre walker + * @param post the post walker + */ +static void stat_irg_walk(void *ctx, ir_graph *irg, void *pre, void *post) +{ + if (! status->stat_options) + 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. + * + * @param ctx the hook context + * @param irg the IR graph that will be walked + * @param pre the pre walker + * @param post the post walker + */ +static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, void *pre, void *post) +{ + /* for now, do NOT differentiate between blockwise and normal */ + stat_irg_walk(ctx, irg, pre, post); +} + +/** + * A walk over the graph's blocks is initiated. Do not count walks from statistic code. + * + * @param ctx the hook context + * @param irg the IR graph that will be walked + * @param node the IR node + * @param pre the pre walker + * @param post the post walker + */ +static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, void *pre, void *post) +{ + if (! status->stat_options) + 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. + * + * @param n the IR node that will be removed + * @param hmap the hash map containing ir_op* -> opt_entry_t* + */ +static void removed_due_opt(ir_node *n, hmap_opt_entry_t *hmap) +{ + ir_op *op = stat_get_irn_op(n); + opt_entry_t *entry = opt_get_entry(op, hmap); + + /* increase global value */ + cnt_inc(&entry->count); +} + +/** + * Some nodes were optimized into some others due to an optimization. + * + * @param ctx the hook context + */ +static void stat_merge_nodes( + void *ctx, + ir_node **new_node_array, int new_num_entries, + ir_node **old_node_array, int old_num_entries, + hook_opt_kind opt) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + int i, j; + graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); + + if (status->reassoc_run) + opt = HOOK_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 is started/stopped. + * + * @param ctx the hook context + * @param flag if non-zero, reassociation is started else stopped + */ +static void stat_reassociate(void *ctx, int flag) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + status->reassoc_run = flag; + } + STAT_LEAVE; +} + +/** + * A node was lowered into other nodes + * + * @param ctx the hook context + * @param node the IR node that will be lowered + */ +static void stat_lower(void *ctx, ir_node *node) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); + + removed_due_opt(node, graph->opt_hash[HOOK_LOWERED]); + } + STAT_LEAVE; +} + +/** + * A graph was inlined. + * + * @param ctx the hook context + * @param call the IR call that will re changed into the body of + * the called IR graph + * @param called_irg the IR graph representing the called routine + */ +static void stat_inline(void *ctx, ir_node *call, ir_graph *called_irg) +{ + if (! status->stat_options) + 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. + * + * @param ctx the hook context + */ +static void stat_tail_rec(void *ctx, ir_graph *irg) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + } + STAT_LEAVE; +} + +/** + * Strength reduction was performed on an iteration variable. + * + * @param ctx the hook context + */ +static void stat_strength_red(void *ctx, ir_graph *irg, ir_node *strong, ir_node *cmp) +{ + if (! status->stat_options) + 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[HOOK_OPT_STRENGTH_RED]); + } + STAT_LEAVE; +} + +/** + * Start the dead node elimination. + * + * @param ctx the hook context + */ +static void stat_dead_node_elim_start(void *ctx, ir_graph *irg) +{ + if (! status->stat_options) + return; + + ++status->in_dead_node_elim; +} + +/** + * Stops the dead node elimination. + * + * @param ctx the hook context + */ +static void stat_dead_node_elim_stop(void *ctx, ir_graph *irg) +{ + if (! status->stat_options) + return; + + --status->in_dead_node_elim; +} + +/** + * A multiply was replaced by a series of Shifts/Adds/Subs + * + * @param ctx the hook context + */ +static void stat_arch_dep_replace_mul_with_shifts(void *ctx, ir_node *mul) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); + removed_due_opt(mul, graph->opt_hash[HOOK_OPT_ARCH_DEP]); + } + STAT_LEAVE; +} + +/** + * A division was replaced by a series of Shifts/Muls + * + * @param ctx the hook context + * @param div the div node that will be optimized + */ +static void stat_arch_dep_replace_div_by_const(void *ctx, ir_node *div) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); + removed_due_opt(div, graph->opt_hash[HOOK_OPT_ARCH_DEP]); + } + STAT_LEAVE; +} + +/** + * A modulo was replaced by a series of Shifts/Muls + * + * @param ctx the hook context + * @param mod the mod node that will be optimized + */ +static void stat_arch_dep_replace_mod_by_const(void *ctx, ir_node *mod) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); + removed_due_opt(mod, graph->opt_hash[HOOK_OPT_ARCH_DEP]); + } + STAT_LEAVE; +} + +/** + * A DivMod was replaced by a series of Shifts/Muls + * + * @param ctx the hook context + * @param divmod the divmod node that will be optimized + */ +static void stat_arch_dep_replace_DivMod_by_const(void *ctx, ir_node *divmod) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); + removed_due_opt(divmod, graph->opt_hash[HOOK_OPT_ARCH_DEP]); + } + STAT_LEAVE; +} + +/* Finish the statistics */ +void stat_finish(const char *name) +{ + if (! status->stat_options) + return; + + STAT_ENTER; + { + graph_entry_t *entry; + graph_entry_t *global = graph_get_entry(NULL, status->irg_hash); + + stat_dump_init(name); + + /* calculate the graph statistics */ + 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); + } + } + + /* some calculations are dependent, we pushed them on the wait_q */ + while (! pdeq_empty(status->wait_q)) { + entry = pdeq_getr(status->wait_q); + + update_graph_stat_2(global, entry); + } + + + /* 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 || status->stat_options & FIRMSTAT_COUNT_DELETED) + stat_dump_graph(entry); + + if (! entry->is_deleted) { + /* clear the counter that are not accumulated */ + graph_clear_entry(entry, 0); + } + } + + /* dump global */ + stat_dump_graph(global); + stat_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->stat_options = 0; + } + STAT_LEAVE; +} + +/** the hook entries for the Firm statistics module */ +static hook_entry_t stat_hooks[hook_last]; + +/* initialize the statistics module. */ +void init_stat(unsigned enable_options) +{ +#define X(a) a, sizeof(a)-1 +#define HOOK(h, fkt) \ + stat_hooks[h].hook._##h = fkt; register_hook(h, &stat_hooks[h]) + + /* enable statistics */ + status->stat_options = enable_options & FIRMSTAT_ENABLED ? enable_options : 0; + + if (! status->stat_options) + return; + + /* register all hooks */ + HOOK(hook_new_ir_op, stat_new_ir_op); + HOOK(hook_free_ir_op, stat_free_ir_op); + HOOK(hook_new_node, stat_new_node); + HOOK(hook_turn_into_id, stat_turn_into_id); + HOOK(hook_new_graph, stat_new_graph); + HOOK(hook_free_graph, stat_free_graph); + HOOK(hook_irg_walk, stat_irg_walk); + HOOK(hook_irg_walk_blkwise, stat_irg_walk_blkwise); + HOOK(hook_irg_block_walk, stat_irg_block_walk); + HOOK(hook_merge_nodes, stat_merge_nodes); + HOOK(hook_reassociate, stat_reassociate); + HOOK(hook_lower, stat_lower); + HOOK(hook_inline, stat_inline); + HOOK(hook_tail_rec, stat_tail_rec); + HOOK(hook_strength_red, stat_strength_red); + HOOK(hook_dead_node_elim_start, stat_dead_node_elim_start); + HOOK(hook_dead_node_elim_stop, stat_dead_node_elim_stop); + HOOK(hook_arch_dep_replace_mul_with_shifts, stat_arch_dep_replace_mul_with_shifts); + HOOK(hook_arch_dep_replace_div_by_const, stat_arch_dep_replace_div_by_const); + HOOK(hook_arch_dep_replace_mod_by_const, stat_arch_dep_replace_mod_by_const); + HOOK(hook_arch_dep_replace_DivMod_by_const, stat_arch_dep_replace_DivMod_by_const); + + obstack_init(&status->cnts); + + /* create the hash-tables */ + status->irg_hash = new_pset(graph_cmp, 8); + status->ir_op_hash = new_pset(opcode_cmp_2, 1); + + /* create the wait queue */ + status->wait_q = new_pdeq(); + + if (enable_options & FIRMSTAT_COUNT_STRONG_OP) { + /* build the pseudo-ops */ + _op_Phi0.code = get_next_ir_opcode(); + _op_Phi0.name = new_id_from_chars(X("Phi0")); + + _op_PhiM.code = get_next_ir_opcode(); + _op_PhiM.name = new_id_from_chars(X("PhiM")); + + _op_ProjM.code = get_next_ir_opcode(); + _op_ProjM.name = new_id_from_chars(X("ProjM")); + + _op_MulC.code = get_next_ir_opcode(); + _op_MulC.name = new_id_from_chars(X("MulC")); + + _op_DivC.code = get_next_ir_opcode(); + _op_DivC.name = new_id_from_chars(X("DivC")); + + _op_ModC.code = get_next_ir_opcode(); + _op_ModC.name = new_id_from_chars(X("ModC")); + + _op_DivModC.code = get_next_ir_opcode(); + _op_DivModC.name = new_id_from_chars(X("DivModC")); + + status->op_Phi0 = &_op_Phi0; + status->op_PhiM = &_op_PhiM; + status->op_ProjM = &_op_ProjM; + status->op_MulC = &_op_MulC; + status->op_DivC = &_op_DivC; + status->op_ModC = &_op_ModC; + status->op_DivModC = &_op_DivModC; + } + else { + status->op_Phi0 = NULL; + status->op_PhiM = NULL; + status->op_ProjM = NULL; + 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 HOOK +#undef X +} + +#else + +/* Finish the statistics */ +void stat_finish(const char *name) {} + +#endif /* FIRM_STATISTICS */