Add dumper code for VRP information

This commit adds the code and prototypes for dumping vrp information

[r27095]

ir/ir/irdump.c

@@ -1201,6 +1201,29 @@ int dump_node_label(FILE *F, ir_node *n) {
 	return bad;
 }
 
+/* Dumps the vrp information of a node to a file */
+int dump_vrp_info(FILE *F, ir_node *n) {
+	if (!n->vrp.valid) {
+		return 1;
+	}
+
+	fprintf(F, "range_type: %d\n", n->vrp.range_type);
+	if (n->vrp.range_type == VRP_RANGE || n->vrp.range_type ==
+			VRP_ANTIRANGE) {
+		ir_fprintf(F, "range_bottom: %F\n",n->vrp.range_bottom);
+		ir_fprintf(F, "range_top: %F\n", n->vrp.range_top);
+	}
+	ir_fprintf(F, "bits_set: %T\n", n->vrp.bits_set);
+	ir_fprintf(F, "bits_not_set: %T\n", n->vrp.bits_not_set);
+	if (n->vrp.bits_node == NULL) {
+		fprintf(F, "bits_node: None");
+	} else {
+		fprintf(F, "bits_node: #%ld\n", get_irn_node_nr(n->vrp.bits_node));
+	}
+
+	return 0;
+}
+
 /**
  * Dumps the attributes of a node n into the file F.
  * Currently this is only the color of a node.

ir/ir/irdump_t.h

@@ -108,6 +108,7 @@ dump_node_opcode(FILE *F, ir_node *n);
 
 int dump_node_label(FILE *F, ir_node *n);
 
+int dump_vrp_info(FILE *F, ir_node *n);
 
 /** Writes vcg representation with title "PRINT_TYPEID(tp)" to file F. */
 int dump_type_node(FILE *F, ir_type *tp);

ir/ir/irdumptxt.c

@@ -397,6 +397,10 @@ int dump_irnode_to_file(FILE *F, ir_node *n) {
 	default: ;
 	}
 
+	if (n->vrp.valid) {
+		dump_vrp_info(F, n);
+	}
+
 	if (get_irg_typeinfo_state(get_irn_irg(n)) == ir_typeinfo_consistent  ||
 		get_irg_typeinfo_state(get_irn_irg(n)) == ir_typeinfo_inconsistent  )
 		if (get_irn_typeinfo_type(n) != firm_none_type)