19 #include "besched_t.h"
22 pset *be_empty_set(void)
24 static pset *empty_set = NULL;
27 empty_set = pset_new_ptr_default();
37 static void dump_allocated_block(ir_node *block, void *data)
41 struct dump_env *dump_env = data;
42 FILE *f = dump_env->f;
43 arch_env_t *env = dump_env->env;
45 ir_fprintf(f, "node:{title:\"b%N\"\nlabel:\"", block);
46 sched_foreach(block, irn) {
47 const char *prefix = "";
49 const arch_register_t *reg = arch_get_irn_register(env, irn);
53 ir_fprintf(f, "%s = ", arch_register_get_name(reg));
55 ir_fprintf(f, "%n(", irn);
57 if(block != get_irg_start_block(get_irn_irg(block))) {
58 for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
59 ir_node *op = get_irn_n(irn, i);
60 if(arch_is_register_operand(dump_env->env, op, -1)) {
61 ir_fprintf(f, "%s%s", prefix,
62 arch_register_get_name(arch_get_irn_register(env, op)));
70 ir_fprintf(f, "\"}\n");
72 if(get_irg_start_block(get_irn_irg(block)) != block) {
73 for(i = 0, n = get_irn_arity(block); i < n; ++i) {
74 ir_node *pred_bl = get_nodes_block(get_irn_n(block, i));
75 ir_fprintf(f, "edge:{sourcename:\"b%N\" targetname:\"b%N\"}\n", block, pred_bl);
80 void dump_allocated_irg(arch_env_t *arch_env, ir_graph *irg, char *suffix)
87 ir_snprintf(buf, sizeof(buf), "%F-alloc%s.vcg", irg, suffix);
89 if((env.f = fopen(buf, "wt")) != NULL) {
90 fprintf(env.f, "graph:{title:\"prg\"\n");
91 irg_block_walk_graph(irg, dump_allocated_block, NULL, &env);
92 fprintf(env.f, "}\n");
97 static void localize_const_walker(ir_node *irn, void *data)
102 for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
103 ir_node *op = get_irn_n(irn, i);
104 if(get_irn_opcode(op) == iro_Const) {
105 ir_node *tgt_block, *cnst;
107 /* Special treatment for phi nodes, because phi-usage is different */
108 tgt_block = get_nodes_block(irn);
110 tgt_block = get_nodes_block(get_irn_n(tgt_block, i));
113 * We have to create the const node by ourselves, since the
114 * firmcons implementation always places it in the start block.
116 cnst = new_ir_node(NULL, get_irn_irg(irn),
117 tgt_block, op_Const, get_irn_mode(op), 0, NULL);
118 cnst->attr.con.tv = get_Const_tarval(op);
119 set_irn_n(irn, i, cnst);
125 void localize_consts(ir_graph *irg)
127 irg_walk_graph(irg, localize_const_walker, NULL, NULL);
128 dead_node_elimination(irg);
132 * Edge hook to dump the schedule edges.
134 static int sched_edge_hook(FILE *F, ir_node *irn)
136 if(sched_is_scheduled(irn) && sched_has_prev(irn)) {
137 ir_node *prev = sched_prev(irn);
138 fprintf(F, "edge:{sourcename:\"");
140 fprintf(F, "\" targetname:\"");
142 fprintf(F, "\" color:magenta}\n");
147 void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix) {
148 DUMP_NODE_EDGE_FUNC old = get_dump_node_edge_hook();
150 dump_consts_local(0);
151 set_dump_node_edge_hook(sched_edge_hook);
152 dump_ir_block_graph(irg, suffix);
153 set_dump_node_edge_hook(old);
156 void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix) {
157 DUMP_NODE_EDGE_FUNC old = get_dump_node_edge_hook();
159 dump_consts_local(0);
160 set_dump_node_edge_hook(sched_edge_hook);
161 dump_ir_extblock_graph(irg, suffix);
162 set_dump_node_edge_hook(old);
166 * Dumps a graph and numbers all dumps.
167 * @param irg The graph
168 * @param suffix A suffix to its file name.
169 * @param dumper The dump function
171 void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *)) {
172 static ir_graph *last_irg = NULL;
176 if (irg != last_irg) {
181 snprintf(buf, sizeof(buf), "-%02d%s", nr++, suffix);
187 static void clear_link(ir_node *irn, void *data)
189 set_irn_link(irn, NULL);
192 static void collect_phis(ir_node *irn, void *data)
195 ir_node *bl = get_nodes_block(irn);
196 set_irn_link(irn, get_irn_link(bl));
197 set_irn_link(bl, irn);
201 void be_clear_links(ir_graph *irg)
203 irg_walk_graph(irg, clear_link, NULL, NULL);
206 void be_collect_phis(ir_graph *irg)
208 irg_walk_graph(irg, collect_phis, NULL, NULL);
212 ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive) {
215 /* search the current block */
216 for (irn=sched_prev(start_point_exclusive); irn; irn=sched_prev(irn))
217 if (pset_find_ptr(accept, irn))
220 idom = get_Block_idom(get_nodes_block(start_point_exclusive));
223 return dom_up_search(accept, idom); /* continue search in idom-block */
225 return NULL; /* this was the start block and we did not find an acceptable irn */