X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.c;h=56b4d935cef4b35efbf39cade4305468d43e6af7;hb=0318dc1a48ce72b311592c28affc31fabc95f026;hp=afec85b1c15520f4daecdb924e4551af86ba41ce;hpb=d293b8b097aeae699c77b20367b1d0014571ba48;p=libfirm diff --git a/ir/be/beutil.c b/ir/be/beutil.c index afec85b1c..56b4d935c 100644 --- a/ir/be/beutil.c +++ b/ir/be/beutil.c @@ -38,124 +38,22 @@ #include "irgopt.h" #include "irtools.h" #include "irprintf.h" -#include "iredges.h" +#include "iredges_t.h" #include "beutil.h" -#include "besched_t.h" -#include "bearch_t.h" - -/* Get an always empty set. */ -pset *be_empty_set(void) -{ - static pset *empty_set = NULL; - - if(!empty_set) - empty_set = pset_new_ptr(1); - - assert(pset_count(empty_set) == 0); - return empty_set; -} - -/** - * Edge hook to dump the schedule edges. - */ -static int sched_edge_hook(FILE *F, ir_node *irn) -{ - if (is_Proj(irn)) - return 1; - if (sched_is_scheduled(irn) && sched_has_prev(irn)) { - ir_node *prev = sched_prev(irn); - fprintf(F, "edge:{sourcename:\""); - PRINT_NODEID(irn); - fprintf(F, "\" targetname:\""); - PRINT_NODEID(prev); - fprintf(F, "\" color:magenta}\n"); - } - return 1; -} - -void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix) { - DUMP_NODE_EDGE_FUNC old = get_dump_node_edge_hook(); - - dump_consts_local(0); - if (have_sched_info(irg)) - set_dump_node_edge_hook(sched_edge_hook); - dump_ir_block_graph(irg, suffix); - set_dump_node_edge_hook(old); -} - -void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix) { - DUMP_NODE_EDGE_FUNC old = get_dump_node_edge_hook(); - - dump_consts_local(0); - if (have_sched_info(irg)) - set_dump_node_edge_hook(sched_edge_hook); - dump_ir_extblock_graph(irg, suffix); - set_dump_node_edge_hook(old); -} - -/** - * Dumps a graph and numbers all dumps. - * @param irg The graph - * @param suffix A suffix to its file name. - * @param dumper The dump function - */ -void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *)) { - static ir_graph *last_irg = NULL; - static int nr = 0; - char buf[128]; - - if (irg != last_irg) { - last_irg = irg; - nr = strcmp(suffix, "-abi") ? 0 : 1; - } - - snprintf(buf, sizeof(buf), "-%02d%s", nr++, suffix); - buf[sizeof(buf) - 1] = '\0'; - dumper(irg, buf); -} - - - -static void collect_phis(ir_node *irn, void *data) -{ - (void) data; - if(is_Phi(irn)) { - ir_node *bl = get_nodes_block(irn); - set_irn_link(irn, get_irn_link(bl)); - set_irn_link(bl, irn); - } -} +#include "besched.h" +#include "bearch.h" void be_clear_links(ir_graph *irg) { - ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK); irg_walk_graph(irg, firm_clear_link, NULL, NULL); - ir_free_resources(irg, IR_RESOURCE_IRN_LINK); -} - -void be_collect_phis(ir_graph *irg) -{ - irg_walk_graph(irg, collect_phis, NULL, NULL); -} - -static void count_num_reachable_nodes(ir_node *irn, void *env) -{ - int *num = env; - (*num)++; - (void) irn; -} - -unsigned get_num_reachable_nodes(ir_graph *irg) { - int num = 0; - irg_walk_graph(irg, count_num_reachable_nodes, NULL, &num); - return num; } /** * Gets the Proj with number pn from irn. */ -ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn) { +ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn) +{ const ir_edge_t *edge; ir_node *proj; assert(get_irn_mode(irn) == mode_T && "need mode_T"); @@ -170,15 +68,31 @@ ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn) { return NULL; } -FILE *be_ffopen(const char *base, const char *ext, const char *mode) { - FILE *out; - char buf[1024]; +static void add_to_postorder(ir_node *block, void *data) +{ + ir_node ***list = (ir_node***) data; + ARR_APP1(ir_node*, *list, block); +} - snprintf(buf, sizeof(buf), "%s.%s", base, ext); - buf[sizeof(buf) - 1] = '\0'; - if (! (out = fopen(buf, mode))) { - fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode); - return NULL; - } - return out; +ir_node **be_get_cfgpostorder(ir_graph *irg) +{ + ir_node **list = NEW_ARR_F(ir_node*, 0); + ir_node *end_block = get_irg_end_block(irg); + + /* end block may be unreachable in case of endless loops */ + if (get_Block_n_cfgpreds(end_block) == 0) + ARR_APP1(ir_node*, list, end_block); + + /* walk blocks */ + irg_block_edges_walk(get_irg_start_block(irg), NULL, add_to_postorder, + &list); + + return list; +} + +ir_node *get_first_block_succ(const ir_node *block) +{ + const ir_edge_t *edge = get_irn_out_edge_first_kind(block, EDGE_KIND_BLOCK); + assert(edge != NULL); + return get_edge_src_irn(edge); }