Added clique walker

[libfirm] / ir / be / belive.c

diff --git a/ir/be/belive.c b/ir/be/belive.c
index ae17a63..ce7d6b8 100644 (file)
--- a/ir/be/belive.c
+++ b/ir/be/belive.c
@@ -151,15 +151,54 @@ static int cmp_irn_live(const void *a, const void *b, size_t size)
   return !(p->block == q->block && p->irn == q->irn);
 }
 
+static int (*old_dump_block_func)(ir_node *self, FILE *F, dump_reason_t reason) = NULL;
+
+static int dump_block_func(ir_node *self, FILE *F, dump_reason_t reason)
+{
+       switch(reason) {
+       case dump_node_opcode_txt:
+               fprintf(F, get_irn_opname(self));
+               break;
+       case dump_node_mode_txt:
+               fprintf(F, get_irn_modename(self));
+               break;
+       case dump_node_nodeattr_txt:
+               break;
+       case dump_node_info_txt:
+               if(!get_irg_live_info(get_irn_irg(self))->live)
+                       return 0;
+
+               fprintf(F, "liveness information:\n");
+               {
+                       irn_live_t *li;
+                       live_foreach(self, li) {
+                               ir_fprintf(F, "%+F", li->irn);
+                               if(live_is_in(li))
+                                       fprintf(F, " in");
+                               if(live_is_end(li))
+                                       fprintf(F, " end");
+                               if(live_is_out(li))
+                                       fprintf(F, " out");
+
+                               fprintf(F, "\n");
+                       }
+               }
+       }
+
+       return 0;
+}
+
 void be_liveness(ir_graph *irg)
 {
   irg_live_info_t *live_info = get_irg_live_info(irg);
   if(live_info->live)
     del_set(live_info->live);
 
-
   live_info->live = new_set(cmp_irn_live, 8192);
   irg_walk_graph(irg, liveness_for_node, NULL, NULL);
+
+  old_dump_block_func     = op_Block->ops.dump_node;
+  op_Block->ops.dump_node = dump_block_func;
 }
 
 static void dump_liveness_walker(ir_node *bl, void *data)
@@ -190,6 +229,17 @@ void be_liveness_dump(ir_graph *irg, FILE *f)
        irg_block_walk_graph(irg, dump_liveness_walker, NULL, f);
 }
 
+void be_liveness_dumpto(ir_graph *irg, const char *cls_name)
+{
+       FILE *f;
+       char buf[128];
+       ir_snprintf(buf, sizeof(buf), "%F_%s-live.txt", irg, cls_name);
+       if((f = fopen(buf, "wt")) != NULL) {
+               be_liveness_dump(irg, f);
+               fclose(f);
+       }
+}
+
 static void dom_check(ir_node *irn, void *data)
 {
        if(!is_Block(irn) && irn != get_irg_end(get_irn_irg(irn))) {