X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.c;h=18effda0f3ed7aafd89e5e03c74344df88fa7420;hb=712cea35fe399ae20e3a33eb9bf81360b5000cf3;hp=09c88cb5c54a977ed29a75339dab7723a9eac2fb;hpb=83c9157ff224552a9b16a73fe4a16451f4963831;p=libfirm diff --git a/ir/be/beutil.c b/ir/be/beutil.c index 09c88cb5c..18effda0f 100644 --- a/ir/be/beutil.c +++ b/ir/be/beutil.c @@ -4,18 +4,34 @@ #include +#include "pset.h" + #include "irgraph.h" #include "irgwalk.h" +#include "irdump_t.h" +#include "irdom_t.h" #include "ircons.h" #include "iropt.h" #include "irgopt.h" +#include "irtools.h" #include "irprintf.h" #include "beutil.h" #include "besched_t.h" -#include "bera_t.h" #include "bearch.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; +} + struct dump_env { FILE *f; arch_env_t *env; @@ -25,26 +41,28 @@ static void dump_allocated_block(ir_node *block, void *data) { int i, n; const ir_node *irn; - struct dump_env *dump_env = data; + struct dump_env *dump_env = data; FILE *f = dump_env->f; - arch_env_t *env = dump_env->env; + arch_env_t *env = dump_env->env; - ir_fprintf(f, "node:{title:\"b%N\"\nlabel:\"%n\n", block, block); + ir_fprintf(f, "node:{title:\"b%N\"\nlabel:\"", block); sched_foreach(block, irn) { const char *prefix = ""; - const arch_register_t *reg = arch_get_irn_register(env, irn, 0); + + const arch_register_t *reg = arch_get_irn_register(env, irn); ir_fprintf(f, "\n"); - if(reg) - ir_fprintf(f, "%s = ", arch_register_get_name(reg)); + if(reg) + ir_fprintf(f, "%s = ", arch_register_get_name(reg)); + ir_fprintf(f, "%n(", irn); if(block != get_irg_start_block(get_irn_irg(block))) { for(i = 0, n = get_irn_arity(irn); i < n; ++i) { ir_node *op = get_irn_n(irn, i); - if(is_allocatable_irn(op)) { + if(arch_is_register_operand(dump_env->env, op, -1)) { ir_fprintf(f, "%s%s", prefix, - arch_register_get_name(arch_get_irn_register(env, op, 0))); + arch_register_get_name(arch_get_irn_register(env, op))); prefix = ", "; } } @@ -57,7 +75,7 @@ static void dump_allocated_block(ir_node *block, void *data) if(get_irg_start_block(get_irn_irg(block)) != block) { for(i = 0, n = get_irn_arity(block); i < n; ++i) { ir_node *pred_bl = get_nodes_block(get_irn_n(block, i)); - ir_fprintf(f, "edge:{sourcename:\"b%N\" targetname:\"b%N\"}\n", pred_bl, block); + ir_fprintf(f, "edge:{sourcename:\"b%N\" targetname:\"b%N\"}\n", block, pred_bl); } } } @@ -112,3 +130,98 @@ void localize_consts(ir_graph *irg) irg_walk_graph(irg, localize_const_walker, NULL, NULL); dead_node_elimination(irg); } + +/** + * Edge hook to dump the schedule edges. + */ +static int sched_edge_hook(FILE *F, ir_node *irn) +{ + 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); + 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); + 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 = 0; + } + + snprintf(buf, sizeof(buf), "-%02d%s", nr++, suffix); + dumper(irg, buf); +} + + + +static void collect_phis(ir_node *irn, 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); + } +} + +void be_clear_links(ir_graph *irg) +{ + irg_walk_graph(irg, firm_clear_link, NULL, NULL); +} + +void be_collect_phis(ir_graph *irg) +{ + irg_walk_graph(irg, collect_phis, NULL, NULL); +} + +/* FIXME: not used. can be deleted? */ +ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive) { + ir_node *irn, *idom; + + /* search the current block */ + for (irn=sched_prev(start_point_exclusive); irn; irn=sched_prev(irn)) + if (pset_find_ptr(accept, irn)) + return irn; + + /* FIXME: This is obviously buggy: after the first recursive call idom is a block + and get_nodes_block will fail. + Moreover, why not a simple iteration instead of recursion */ + idom = get_Block_idom(get_nodes_block(start_point_exclusive)); + + if (idom) + return dom_up_search(accept, idom); /* continue search in idom-block */ + else + return NULL; /* this was the start block and we did not find an acceptable irn */ +}