X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.c;h=42557a9f00726e46d1f9eccd22f0e332dcf0a530;hb=6e3e499d6c68aee0c6a9ada6a99f16c4f6f8445b;hp=10745a2a4a8e7fd9bcd4edbb3edd3a9c86eceff5;hpb=9b060a71a2667ced8d103023eda0ff710e799867;p=libfirm diff --git a/ir/be/beutil.c b/ir/be/beutil.c index 10745a2a4..42557a9f0 100644 --- a/ir/be/beutil.c +++ b/ir/be/beutil.c @@ -1,34 +1,65 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif #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 "irprintf.h" #include "beutil.h" #include "besched_t.h" -#include "bera_t.h" +#include "bearch.h" + +pset *be_empty_set(void) +{ + static pset *empty_set = NULL; + + if(!empty_set) + empty_set = pset_new_ptr_default(); -static void dump_allocated_block(ir_node *block, void *env) + return empty_set; +} + +struct dump_env { + FILE *f; + arch_env_t *env; +}; + +static void dump_allocated_block(ir_node *block, void *data) { int i, n; const ir_node *irn; - FILE *f = env; + struct dump_env *dump_env = data; + FILE *f = dump_env->f; + 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); + ir_fprintf(f, "\n"); - if(is_color(get_irn_color(irn))) - ir_fprintf(f, "r%d = ", get_irn_color(irn)); + 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)) { - ir_fprintf(f, "%sr%d", prefix, get_irn_color(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))); prefix = ", "; } } @@ -41,22 +72,155 @@ static void dump_allocated_block(ir_node *block, void *env) 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); } } } -void dump_allocated_irg(ir_graph *irg) +void dump_allocated_irg(arch_env_t *arch_env, ir_graph *irg, char *suffix) { char buf[1024]; - FILE *f; + struct dump_env env; + + env.env = arch_env; - snprintf(buf, sizeof(buf), "%s-alloc.vcg", get_entity_name(get_irg_entity(irg))); + ir_snprintf(buf, sizeof(buf), "%F-alloc%s.vcg", irg, suffix); - if((f = fopen(buf, "wt")) != NULL) { - fprintf(f, "graph:{title:\"prg\"\n"); - irg_block_walk_graph(irg, dump_allocated_block, NULL, f); - fprintf(f, "}\n"); - fclose(f); + if((env.f = fopen(buf, "wt")) != NULL) { + fprintf(env.f, "graph:{title:\"prg\"\n"); + irg_block_walk_graph(irg, dump_allocated_block, NULL, &env); + fprintf(env.f, "}\n"); + fclose(env.f); } } + +static void localize_const_walker(ir_node *irn, void *data) +{ + if(!is_Block(irn)) { + int i, n; + + for(i = 0, n = get_irn_arity(irn); i < n; ++i) { + ir_node *op = get_irn_n(irn, i); + if(get_irn_opcode(op) == iro_Const) { + ir_node *tgt_block, *cnst; + + /* Special treatment for phi nodes, because phi-usage is different */ + tgt_block = get_nodes_block(irn); + if(is_Phi(irn)) + tgt_block = get_nodes_block(get_irn_n(tgt_block, i)); + + /* + * We have to create the const node by ourselves, since the + * firmcons implementation always places it in the start block. + */ + cnst = new_ir_node(NULL, get_irn_irg(irn), + tgt_block, op_Const, get_irn_mode(op), 0, NULL); + cnst->attr.con.tv = get_Const_tarval(op); + set_irn_n(irn, i, cnst); + } + } + } +} + +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 clear_link(ir_node *irn, void *data) +{ + set_irn_link(irn, NULL); +} + +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, clear_link, NULL, NULL); +} + +void be_collect_phis(ir_graph *irg) +{ + irg_walk_graph(irg, collect_phis, NULL, NULL); +} + + +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; + + 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 */ +}