X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fstat%2Ffirmstat.c;h=530bec4ebc58d16cb4053b81ab63a55c6f67c7cf;hb=6a768b09064c37b361871ba888213cdd5ed5a700;hp=49d7d9725499e2ca7c1d99dfa6fd650773f3d390;hpb=c049948270a50d293d5eaa9ad39ab05015d24833;p=libfirm diff --git a/ir/stat/firmstat.c b/ir/stat/firmstat.c index 49d7d9725..530bec4eb 100644 --- a/ir/stat/firmstat.c +++ b/ir/stat/firmstat.c @@ -16,8 +16,13 @@ #ifdef FIRM_STATISTICS #include -#include -#include + +#ifdef HAVE_STDLIB_H +# include +#endif +#ifdef HAVE_STRING_H +# include +#endif #include "irouts.h" #include "irdump.h" @@ -26,6 +31,8 @@ #include "pattern.h" #include "dags.h" #include "stat_dmp.h" +#include "xmalloc.h" +#include "irhooks.h" /* * need this to be static: @@ -37,7 +44,7 @@ */ static ir_op _op_Phi0; -/** The PhiM, just to count memorty Phi's. */ +/** The PhiM, just to count memory Phi's. */ static ir_op _op_PhiM; /** The Mul by Const node. */ @@ -52,16 +59,31 @@ static ir_op _op_ModC; /** The Div by Const node. */ static ir_op _op_DivModC; +/** The memory Proj node. */ +static ir_op _op_ProjM; + +/** A Sel of a Sel */ +static ir_op _op_SelSel; + +/** A Sel of a Sel of a Sel */ +static ir_op _op_SelSelSel; + /* ---------------------------------------------------------------------------------- */ +/** 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 */ -static stat_info_t _status, *status = &_status; +static const int status_disable = 0; +static stat_info_t *status = (stat_info_t *)&status_disable; /** * compare two elements of the opcode hash @@ -97,7 +119,7 @@ static int opt_cmp(const void *elt, const void *key) } /** - * compare two elements of the block hash + * compare two elements of the block/extbb hash */ static int block_cmp(const void *elt, const void *key) { @@ -142,37 +164,44 @@ static void opcode_clear_entry(node_entry_t *elem) /** * 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, pset *set) +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(set, &key, op->code); + elem = pset_find(hmap, &key, op->code); if (elem) return elem; elem = obstack_alloc(&status->cnts, sizeof(*elem)); + memset(elem, 0, sizeof(*elem)); /* clear counter */ opcode_clear_entry(elem); elem->op = op; - return pset_insert(set, elem, op->code); + 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, pset *set) +static ir_op *opcode_find_entry(opcode code, hmap_ir_op *hmap) { ir_op key; key.code = code; - return pset_find(set, &key, code); + return pset_find(hmap, &key, code); } /** @@ -186,16 +215,34 @@ static void graph_clear_entry(graph_entry_t *elem, int all) cnt_clr(&elem->cnt_was_inlined); cnt_clr(&elem->cnt_got_inlined); cnt_clr(&elem->cnt_strength_red); + cnt_clr(&elem->cnt_real_func_call); } 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); + + if (elem->block_hash) { + del_pset(elem->block_hash); + elem->block_hash = NULL; + } + + if (elem->extbb_hash) { + del_pset(elem->extbb_hash); + elem->extbb_hash = NULL; + } + + obstack_free(&elem->recalc_cnts, NULL); + obstack_init(&elem->recalc_cnts); } /** - * Returns the acssociates graph_entry_t for an irg + * 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, pset *set) +static graph_entry_t *graph_get_entry(ir_graph *irg, hmap_graph_entry_t *hmap) { graph_entry_t key; graph_entry_t *elem; @@ -203,26 +250,31 @@ static graph_entry_t *graph_get_entry(ir_graph *irg, pset *set) key.irg = irg; - elem = pset_find(set, &key, HASH_PTR(irg)); + elem = pset_find(hmap, &key, HASH_PTR(irg)); if (elem) return elem; /* allocate a new one */ elem = obstack_alloc(&status->cnts, sizeof(*elem)); + memset(elem, 0, sizeof(*elem)); + obstack_init(&elem->recalc_cnts); /* 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; + /* these hash tables are created on demand */ + elem->block_hash = NULL; + elem->extbb_hash = NULL; + 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, HASH_PTR(irg)); + return pset_insert(hmap, elem, HASH_PTR(irg)); } /** @@ -234,27 +286,31 @@ static void opt_clear_entry(opt_entry_t *elem) } /** - * Returns the associates opt_entry_t for an ir_op + * 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, pset *set) +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(set, &key, op->code); + elem = pset_find(hmap, &key, op->code); if (elem) return elem; elem = obstack_alloc(&status->cnts, sizeof(*elem)); + memset(elem, 0, sizeof(*elem)); /* clear new counter */ opt_clear_entry(elem); elem->op = op; - return pset_insert(set, elem, op->code); + return pset_insert(hmap, elem, op->code); } /** @@ -266,65 +322,85 @@ static void block_clear_entry(block_entry_t *elem) cnt_clr(&elem->cnt_edges); cnt_clr(&elem->cnt_in_edges); cnt_clr(&elem->cnt_out_edges); + cnt_clr(&elem->cnt_phi_data); } /** - * Returns the associates block_entry_t for an block + * 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, pset *set) +static block_entry_t *block_get_entry(struct obstack *obst, long block_nr, hmap_block_entry_t *hmap) { block_entry_t key; block_entry_t *elem; key.block_nr = block_nr; - elem = pset_find(set, &key, block_nr); + elem = pset_find(hmap, &key, block_nr); if (elem) return elem; - elem = obstack_alloc(&status->cnts, sizeof(*elem)); + elem = obstack_alloc(obst, sizeof(*elem)); + memset(elem, 0, sizeof(*elem)); /* clear new counter */ block_clear_entry(elem); elem->block_nr = block_nr; - return pset_insert(set, elem, block_nr); + return pset_insert(hmap, elem, block_nr); } /** * Returns the ir_op for an IR-node, - * handles special cases and return pseudo op codes + * 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->code == iro_Phi && get_irn_arity(node) == 0) { + if (op == op_Phi && get_irn_arity(node) == 0) { /* special case, a Phi0 node, count on extra counter */ - op = status->op_Phi0; + op = status->op_Phi0 ? status->op_Phi0 : op; } - else if (op->code == iro_Phi && get_irn_mode(node) == mode_M) { + 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; + op = status->op_PhiM ? status->op_PhiM : op; } - else if (op->code == iro_Mul && + 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_Mul; + op = status->op_MulC ? status->op_MulC : op; } - else if (op->code == iro_Div && get_irn_op(get_Div_right(node)) == op_Const) { + 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_Div; + op = status->op_DivC ? status->op_DivC : op; } - else if (op->code == iro_Mod && get_irn_op(get_Mod_right(node)) == op_Const) { + 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_Mod; + op = status->op_ModC ? status->op_ModC : op; } - else if (op->code == iro_DivMod && get_irn_op(get_DivMod_right(node)) == op_Const) { + 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_DivMod; + op = status->op_DivModC ? status->op_DivModC : op; + } + else if (op == op_Sel && get_irn_op(get_Sel_ptr(node)) == op_Sel) { + /* special case, a Sel of a Sel, count on extra counter */ + op = status->op_SelSel ? status->op_SelSel : op; + + if (get_irn_op(get_Sel_ptr(get_Sel_ptr(node))) == op_Sel) { + /* special case, a Sel of a Sel of a Sel, count on extra counter */ + op = status->op_SelSelSel ? status->op_SelSelSel : op; + } } return op; @@ -333,7 +409,7 @@ static ir_op *stat_get_irn_op(ir_node *node) /** * update the block counter */ -static void count_block_info(ir_node *node, graph_entry_t *graph) +static void undate_block_info(ir_node *node, graph_entry_t *graph) { ir_op *op = get_irn_op(node); ir_node *block; @@ -343,13 +419,13 @@ static void count_block_info(ir_node *node, graph_entry_t *graph) /* 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); + b_entry = block_get_entry(&graph->recalc_cnts, 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); + block_entry_t *b_entry_other = block_get_entry(&graph->recalc_cnts, 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); @@ -358,26 +434,32 @@ static void count_block_info(ir_node *node, graph_entry_t *graph) } block = get_nodes_block(node); - b_entry = block_get_entry(get_irn_node_nr(block), graph->block_hash); + b_entry = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(block), graph->block_hash); + + if (op == op_Phi && mode_is_datab(get_irn_mode(node))) { + /* count data Phi per block */ + cnt_inc(&b_entry->cnt_phi_data); + } - /* we have a new nodes */ + /* we have a new node in our block */ cnt_inc(&b_entry->cnt_nodes); + /* don't count keep-alive edges */ + if (get_irn_op(node) == op_End) + return; + 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); + block_entry_t *b_entry_other = block_get_entry(&graph->recalc_cnts, 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); @@ -385,40 +467,129 @@ static void count_block_info(ir_node *node, graph_entry_t *graph) } } +/** + * update the extended block counter + */ +static void undate_extbb_info(ir_node *node, graph_entry_t *graph) +{ + ir_op *op = get_irn_op(node); + ir_extblk *extbb; + extbb_entry_t *eb_entry; + int i, arity; + + /* check for block */ + if (op == op_Block) { + extbb = get_nodes_extbb(node); + arity = get_irn_arity(node); + eb_entry = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(extbb), graph->extbb_hash); + + /* count all incoming edges */ + for (i = 0; i < arity; ++i) { + ir_node *pred = get_irn_n(node, i); + ir_extblk *other_extbb = get_nodes_extbb(pred); + + if (extbb != other_extbb) { + extbb_entry_t *eb_entry_other = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(other_extbb), graph->extbb_hash); + + cnt_inc(&eb_entry->cnt_in_edges); /* an edge coming from another extbb */ + cnt_inc(&eb_entry_other->cnt_out_edges); + } + } + return; + } + + extbb = get_nodes_extbb(node); + eb_entry = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(extbb), graph->extbb_hash); + + if (op == op_Phi && mode_is_datab(get_irn_mode(node))) { + /* count data Phi per extbb */ + cnt_inc(&eb_entry->cnt_phi_data); + } + + /* we have a new node in our block */ + cnt_inc(&eb_entry->cnt_nodes); + + /* don't count keep-alive edges */ + if (get_irn_op(node) == op_End) + return; + + arity = get_irn_arity(node); + + for (i = 0; i < arity; ++i) { + ir_node *pred = get_irn_n(node, i); + ir_extblk *other_extbb = get_nodes_extbb(pred); + + if (other_extbb == extbb) + cnt_inc(&eb_entry->cnt_edges); /* a in extbb edge */ + else { + extbb_entry_t *eb_entry_other = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(other_extbb), graph->extbb_hash); + + cnt_inc(&eb_entry->cnt_in_edges); /* an edge coming from another extbb */ + cnt_inc(&eb_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) +static void stat_update_call(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_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 colabse later + * If the block is bad, the whole subgraph will collapse later * so do not count this call. - * This happens in dead code + * This happens in dead code. */ if (is_Bad(block)) return; cnt_inc(&graph->cnt_all_calls); - /* found a call, is not a leaf function */ + /* 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); - if (get_entity_irg(ent) == graph->irg) - graph->is_recursive = 1; + /* it is recursive, if it calls at least once */ + if (callee == graph->irg) + graph->is_recursive = 1; } } else { - /* indirect call */ + /* 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 @@ -431,12 +602,67 @@ static void update_call_stat(ir_node *call, graph_entry_t *graph) curr = get_Block_idom(curr); if (! curr || is_no_Block(curr)) - break; + 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 stat_update_call_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; } /** @@ -456,11 +682,37 @@ static void update_node_stat(ir_node *node, void *env) cnt_add_i(&graph->cnt_edges, arity); /* count block edges */ - count_block_info(node, graph); + undate_block_info(node, graph); + + /* count extended block edges */ + if (status->stat_options & FIRMSTAT_COUNT_EXTBB) { + undate_extbb_info(node, graph); + } + + /* handle statistics for special node types */ + + if (op == op_Const) { + if (status->stat_options & FIRMSTAT_COUNT_CONSTS) { + /* check properties of constants */ + stat_update_const(status, node, graph); + } + } + else if (op == op_Call) { + /* check for properties that depends on calls like recursion/leaf/indirect call */ + stat_update_call(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(node, graph); + stat_update_call_2(node, graph); } /** @@ -484,10 +736,13 @@ static void set_adr_mark(graph_entry_t *graph, ir_node *node, unsigned val) } /** - * a vcg attribute hook + * 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 *n) +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); @@ -495,6 +750,8 @@ static int stat_adr_mark_hook(FILE *F, ir_node *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; @@ -538,7 +795,7 @@ static void mark_address_calc(ir_node *node, void *env) } } - /* makr all predecessors */ + /* mark all predecessors */ for (i = 0, n = get_irn_arity(node); i < n; ++i) { ir_node *pred = get_irn_n(node, i); @@ -547,8 +804,11 @@ static void mark_address_calc(ir_node *node, void *env) } /** - * called for every graph when the graph is either deleted or stat_finish() - * is called, must recalculate all statistic info + * Called for every graph when the graph is either deleted or stat_dump_snapshot() + * 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) { @@ -561,18 +821,31 @@ static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph) /* set pessimistic values */ graph->is_leaf = 1; + graph->is_leaf_call = LCS_UNKNOWN; graph->is_recursive = 0; graph->is_chain_call = 1; + /* create new block counter */ + graph->block_hash = new_pset(block_cmp, 5); + /* we need dominator info */ if (graph->irg != get_const_code_irg()) if (get_irg_dom_state(graph->irg) != dom_consistent) compute_doms(graph->irg); + if (status->stat_options & FIRMSTAT_COUNT_EXTBB) { + /* we need extended basic blocks */ + compute_extbb(graph->irg); + + /* create new extbb counter */ + graph->extbb_hash = new_pset(block_cmp, 5); + } + /* count the nodes in the graph */ irg_walk_graph(graph->irg, update_node_stat, NULL, graph); #if 0 + /* Uncomment this code if chain-call means call exact one */ entry = opcode_get_entry(op_Call, graph->opcode_hash); /* check if we have more than 1 call */ @@ -600,16 +873,59 @@ static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph) ir_graph *rem = current_ir_graph; if (get_irg_outs_state(graph->irg) != outs_consistent) - compute_outs(graph->irg); + compute_irg_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_dump_snapshot() + * 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; } } @@ -618,7 +934,7 @@ static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph) */ static void stat_register_dumper(const dumper_t *dumper) { - dumper_t *p = malloc(sizeof(*p)); + dumper_t *p = xmalloc(sizeof(*p)); if (p) { *p = *dumper; @@ -632,9 +948,9 @@ static void stat_register_dumper(const dumper_t *dumper) } /** - * dumps an irg + * dumps an IR graph. */ -static void dump_graph(graph_entry_t *entry) +static void stat_dump_graph(graph_entry_t *entry) { dumper_t *dumper; @@ -645,9 +961,22 @@ static void dump_graph(graph_entry_t *entry) } /** - * initialise the dumper + * dumps a constant table + */ +static void stat_dump_consts(const constant_info_t *tbl) +{ + dumper_t *dumper; + + for (dumper = status->dumper; dumper; dumper = dumper->next) { + if (dumper->dump_const_tbl) + dumper->dump_const_tbl(dumper, tbl); + } +} + +/** + * initialize the dumper */ -static void dump_init(const char *name) +static void stat_dump_init(const char *name) { dumper_t *dumper; @@ -660,7 +989,7 @@ static void dump_init(const char *name) /** * finish the dumper */ -static void dump_finish(void) +static void stat_dump_finish(void) { dumper_t *dumper; @@ -680,73 +1009,15 @@ 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 - - /* enable statistics */ - status->enable = enable_options & FIRMSTAT_ENABLED; - - if (! status->enable) - return; - - 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); - - status->op_Phi0 = &_op_Phi0; - status->op_PhiM = &_op_PhiM; - - 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_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_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) +/** + * 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->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -761,10 +1032,15 @@ void stat_new_ir_op(const ir_op *op) STAT_LEAVE; } -/* An IR op is freed. */ -void stat_free_ir_op(const ir_op *op) +/** + * 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->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -773,10 +1049,16 @@ void stat_free_ir_op(const ir_op *op) STAT_LEAVE; } -/* A new node is created. */ -void stat_new_node(ir_node *node) +/** + * 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->enable) + if (! status->stat_options) return; /* do NOT count during dead node elimination */ @@ -802,10 +1084,15 @@ void stat_new_node(ir_node *node) STAT_LEAVE; } -/* A node is changed into a Id node */ -void stat_turn_into_id(ir_node *node) +/** + * 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->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -827,10 +1114,16 @@ void stat_turn_into_id(ir_node *node) STAT_LEAVE; } -/* A new graph was created */ -void stat_new_graph(ir_graph *irg, entity *ent) +/** + * 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->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -841,18 +1134,27 @@ void stat_new_graph(ir_graph *irg, entity *ent) 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. */ -void stat_free_graph(ir_graph *irg) +static void stat_free_graph(void *ctx, ir_graph *irg) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -862,24 +1164,25 @@ void stat_free_graph(ir_graph *irg) 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); + 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 */ -void stat_irg_walk(ir_graph *irg, void *pre, void *post) +static void stat_irg_walk(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER_SINGLE; @@ -891,21 +1194,32 @@ void stat_irg_walk(ir_graph *irg, void *pre, void *post) 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 */ -void stat_irg_walk_blkwise(ir_graph *irg, void *pre, void *post) +static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post) { /* for now, do NOT differentiate between blockwise and normal */ - stat_irg_walk(irg, pre, post); + 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 */ -void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post) +static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, generic_func *pre, generic_func *post) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER_SINGLE; @@ -918,26 +1232,32 @@ void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *po } /** - * called for every node that is removed due to an optimization + * 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, pset *set) +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, set); + 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 +/** + * Some nodes were optimized into some others due to an optimization. + * + * @param ctx the hook context */ -void stat_merge_nodes( +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, - stat_opt_kind opt) + hook_opt_kind opt) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -946,7 +1266,7 @@ void stat_merge_nodes( graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash); if (status->reassoc_run) - opt = STAT_OPT_REASSOC; + opt = HOOK_OPT_REASSOC; for (i = 0; i < old_num_entries; ++i) { for (j = 0; j < new_num_entries; ++j) @@ -955,19 +1275,32 @@ void stat_merge_nodes( /* 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]); + int xopt = opt; + + /* sometimes we did not detect, that it is replaced by a Const */ + if (opt == HOOK_OPT_CONFIRM && new_num_entries == 1) { + ir_op *op = get_irn_op(new_node_array[0]); + + if (op == op_Const || op == op_SymConst) + xopt = HOOK_OPT_CONFIRM_C; + } + + removed_due_opt(old_node_array[i], graph->opt_hash[xopt]); } } } STAT_LEAVE; } -/* - * reassociation started/stopped. +/** + * Reassociation is started/stopped. + * + * @param ctx the hook context + * @param flag if non-zero, reassociation is started else stopped */ -void stat_reassociate(int flag) +static void stat_reassociate(void *ctx, int flag) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -977,29 +1310,37 @@ void stat_reassociate(int flag) STAT_LEAVE; } -/* +/** * A node was lowered into other nodes + * + * @param ctx the hook context + * @param node the IR node that will be lowered */ -void stat_lower(ir_node *node) +static void stat_lower(void *ctx, ir_node *node) { - if (! status->enable) + 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[STAT_LOWERED]); + removed_due_opt(node, graph->opt_hash[HOOK_LOWERED]); } STAT_LEAVE; } -/* - * A graph was inlined +/** + * 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 */ -void stat_inline(ir_node *call, ir_graph *called_irg) +static void stat_inline(void *ctx, ir_node *call, ir_graph *called_irg) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -1014,26 +1355,33 @@ void stat_inline(ir_node *call, ir_graph *called_irg) STAT_LEAVE; } -/* +/** * A graph with tail-recursions was optimized. + * + * @param ctx the hook context */ -void stat_tail_rec(ir_graph *irg) +static void stat_tail_rec(void *ctx, ir_graph *irg, int n_calls) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER; { + graph_entry_t *graph = graph_get_entry(irg, status->irg_hash); + + graph->num_tail_recursion += n_calls; } STAT_LEAVE; } -/* +/** * Strength reduction was performed on an iteration variable. + * + * @param ctx the hook context */ -void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp) +static void stat_strength_red(void *ctx, ir_graph *irg, ir_node *strong, ir_node *cmp) { - if (! status->enable) + if (! status->stat_options) return; STAT_ENTER; @@ -1041,101 +1389,107 @@ void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp) 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]); + removed_due_opt(strong, graph->opt_hash[HOOK_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. +/** + * Start/Stop the dead node elimination. + * + * @param ctx the hook context */ -void stat_dead_node_elim_stop(ir_graph *irg) +static void stat_dead_node_elim(void *ctx, ir_graph *irg, int start) { - if (! status->enable) + if (! status->stat_options) return; - --status->in_dead_node_elim; + if (start) + ++status->in_dead_node_elim; + else + --status->in_dead_node_elim; } -/* - * A multiply was replaced by a series of Shifts/Adds/Subs +/** + * if-conversion was tried */ -void stat_arch_dep_replace_mul_with_shifts(ir_node *mul) +static void stat_if_conversion(void *context, ir_graph *irg, ir_node *phi, + int pos, ir_node *mux, if_result_t reason) { - if (! status->enable) + 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[STAT_OPT_ARCH_DEP]); + graph_entry_t *graph = graph_get_entry(irg, status->irg_hash); + + cnt_inc(&graph->cnt_if_conv[reason]); } STAT_LEAVE; } /** - * A division was replaced by a series of Shifts/Muls + * real function call was optimized */ -void stat_arch_dep_replace_div_by_const(ir_node *div) +static void stat_func_call(void *context, ir_graph *irg, ir_node *call) { - if (! status->enable) + 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[STAT_OPT_ARCH_DEP]); + graph_entry_t *graph = graph_get_entry(irg, status->irg_hash); + + cnt_inc(&graph->cnt_real_func_call); } STAT_LEAVE; } /** - * A modulo was replaced by a series of Shifts/Muls + * A multiply was replaced by a series of Shifts/Adds/Subs + * + * @param ctx the hook context */ -void stat_arch_dep_replace_mod_by_const(ir_node *mod) +static void stat_arch_dep_replace_mul_with_shifts(void *ctx, ir_node *mul) { - if (! status->enable) + 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[STAT_OPT_ARCH_DEP]); + removed_due_opt(mul, graph->opt_hash[HOOK_OPT_ARCH_DEP]); } STAT_LEAVE; } /** - * A DivMod was replaced by a series of Shifts/Muls + * A division by const was replaced + * + * @param ctx the hook context + * @param node the division node that will be optimized */ -void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod) +static void stat_arch_dep_replace_division_by_const(void *ctx, ir_node *node) { - if (! status->enable) + 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[STAT_OPT_ARCH_DEP]); + removed_due_opt(node, graph->opt_hash[HOOK_OPT_ARCH_DEP]); } STAT_LEAVE; } -/* Finish the statistics */ -void stat_finish(const char *name) +/* Dumps a statistics snapshot */ +void stat_dump_snapshot(const char *name, const char *phase) { - if (! status->enable) + char fname[2048]; + const char *p; + int l; + + if (! status->stat_options) return; STAT_ENTER; @@ -1143,9 +1497,49 @@ void stat_finish(const char *name) graph_entry_t *entry; graph_entry_t *global = graph_get_entry(NULL, status->irg_hash); - dump_init(name); + /* + * The constant counter is only global, so we clear it here. + * Note that it does NOT contain the constants in DELETED + * graphs due to this. + */ + if (status->stat_options & FIRMSTAT_COUNT_CONSTS) + stat_const_clear(status); + + /* build the name */ + p = strrchr(name, '/'); +#ifdef _WIN32 + { + const char *q; - /* dump per graph */ + q = strrchr(name, '\\'); + + /* NULL might be not the smallest pointer */ + if (q && (!p || q > p)) + p = q; + } +#endif + if (p) { + ++p; + l = p - name; + + if (l > sizeof(fname) - 1) + l = sizeof(fname) - 1; + + memcpy(fname, name, l); + fname[l] = '\0'; + } + else { + fname[0] = '\0'; + p = name; + } + strncat(fname, "firmstat-", sizeof(fname)); + strncat(fname, phase, sizeof(fname)); + strncat(fname, "-", sizeof(fname)); + strncat(fname, p, sizeof(fname)); + + stat_dump_init(fname); + + /* calculate the graph statistics */ for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) { if (entry->irg == NULL) { @@ -1156,23 +1550,43 @@ void stat_finish(const char *name) 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); + /* 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)) { - /* calculate the pattern */ - stat_calc_pattern_history(entry->irg); + if (entry->irg == NULL) { + /* special entry for the global count */ + continue; } - dump_graph(entry); + if (! entry->is_deleted || status->stat_options & FIRMSTAT_COUNT_DELETED) { + stat_dump_graph(entry); + } - /* clear the counter that are not accumulated */ - graph_clear_entry(entry, 0); + if (! entry->is_deleted) { + /* clear the counter that are not accumulated */ + graph_clear_entry(entry, 0); + } } /* dump global */ - dump_graph(global); - dump_finish(); + stat_dump_graph(global); + + /* dump the const info */ + if (status->stat_options & FIRMSTAT_COUNT_CONSTS) + stat_dump_consts(&status->const_info); + + stat_dump_finish(); stat_finish_pattern_history(); @@ -1186,64 +1600,150 @@ void stat_finish(const char *name) /* clear all global counter */ graph_clear_entry(global, 1); } - - /* finished */ -// status->enable = 0; } STAT_LEAVE; } -#else +/** the hook entries for the Firm statistics module */ +static hook_entry_t stat_hooks[hook_last]; -/* need this for prototypes */ -#define FIRM_STATISTICS -#include "firmstat.h" +/* 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]) -void init_stat(unsigned enable_options) {} + if (! (enable_options & FIRMSTAT_ENABLED)) + return; + + status = xmalloc(sizeof(*status)); + memset(status, 0, sizeof(*status)); + + /* enable statistics */ + status->stat_options = enable_options & FIRMSTAT_ENABLED ? enable_options : 0; + + /* 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, stat_dead_node_elim); + HOOK(hook_if_conversion, stat_if_conversion); + HOOK(hook_func_call, stat_func_call); + HOOK(hook_arch_dep_replace_mul_with_shifts, stat_arch_dep_replace_mul_with_shifts); + HOOK(hook_arch_dep_replace_division_by_const, stat_arch_dep_replace_division_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); -void stat_finish(const char *name) {} + /* create the wait queue */ + status->wait_q = new_pdeq(); -void stat_new_ir_op(const ir_op *op) {} + 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")); -void stat_free_ir_op(const ir_op *op) {} + _op_PhiM.code = get_next_ir_opcode(); + _op_PhiM.name = new_id_from_chars(X("PhiM")); -void stat_new_node(ir_node *node) {} + _op_ProjM.code = get_next_ir_opcode(); + _op_ProjM.name = new_id_from_chars(X("ProjM")); -void stat_turn_into_id(ir_node *node) {} + _op_MulC.code = get_next_ir_opcode(); + _op_MulC.name = new_id_from_chars(X("MulC")); -void stat_new_graph(ir_graph *irg, entity *ent) {} + _op_DivC.code = get_next_ir_opcode(); + _op_DivC.name = new_id_from_chars(X("DivC")); -void stat_free_graph(ir_graph *irg) {} + _op_ModC.code = get_next_ir_opcode(); + _op_ModC.name = new_id_from_chars(X("ModC")); -void stat_irg_walk(ir_graph *irg, void *pre, void *post) {} + _op_DivModC.code = get_next_ir_opcode(); + _op_DivModC.name = new_id_from_chars(X("DivModC")); -void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post) {} + 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; + } -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 (enable_options & FIRMSTAT_COUNT_SELS) { + _op_SelSel.code = get_next_ir_opcode(); + _op_SelSel.name = new_id_from_chars(X("Sel(Sel)")); -void stat_reassociate(int start) {} + _op_SelSelSel.code = get_next_ir_opcode(); + _op_SelSelSel.name = new_id_from_chars(X("Sel(Sel(Sel))")); -void stat_lower(ir_node *node) {} + status->op_SelSel = &_op_SelSel; + status->op_SelSelSel = &_op_SelSelSel; + } + else { + status->op_SelSel = NULL; + status->op_SelSelSel = NULL; + } -void stat_inline(ir_node *call, ir_graph *irg) {} + /* register the dumper */ + stat_register_dumper(&simple_dumper); -void stat_tail_rec(ir_graph *irg) {} + if (enable_options & FIRMSTAT_CSV_OUTPUT) + stat_register_dumper(&csv_dumper); -void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp) {} + /* initialize the pattern hash */ + stat_init_pattern_history(enable_options & FIRMSTAT_PATTERN_ENABLED); -void stat_dead_node_elim_start(ir_graph *irg) {} + /* initialize the Const options */ + if (enable_options & FIRMSTAT_COUNT_CONSTS) + stat_init_const_cnt(status); -void stat_dead_node_elim_stop(ir_graph *irg) {} +#undef HOOK +#undef X +} -void stat_arch_dep_replace_mul_with_shifts(ir_node *mul) {} +/* terminates the statistics module, frees all memory */ +void stat_term(void) { + if (status != (stat_info_t *)&status_disable) { + xfree(status); + status = (stat_info_t *)&status_disable; + } +} -void stat_arch_dep_replace_div_by_const(ir_node *div) {} +#else -void stat_arch_dep_replace_mod_by_const(ir_node *mod) {} +/* initialize the statistics module. */ +void init_stat(unsigned enable_options) {} -void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod) {} +/* Dumps a statistics snapshot */ +void stat_dump_snapshot(const char *name, const char *phase) {} -#endif +/* terminates the statistics module, frees all memory */ +void stat_term(void); + +#endif /* FIRM_STATISTICS */