dump keep-alive edges in purple

[r15055]

ir/ir/irdump.c

@@ -1433,8 +1433,8 @@ print_mem_edge_vcgattr(FILE *F, ir_node *from, int to) {
 		fprintf(F, INTER_MEM_EDGE_ATTR);
 }
 
-static void
-print_edge_vcgattr(FILE *F, ir_node *from, int to) {
+/** Print the vcg attributes for the edge from node from to it's to's input */
+static void print_edge_vcgattr(FILE *F, ir_node *from, int to) {
 	assert(from);
 
 	if (dump_edge_vcgattr_hook)
@@ -1452,9 +1452,9 @@ print_edge_vcgattr(FILE *F, ir_node *from, int to) {
 	case iro_End:
 		if (to >= 0) {
 			if (get_irn_mode(get_End_keepalive(from, to)) == mode_BB)
-				fprintf(F, CF_EDGE_ATTR);
-			if (get_irn_mode(get_End_keepalive(from, to)) == mode_X)
-				fprintf(F, INTER_MEM_EDGE_ATTR);
+				fprintf(F, KEEP_ALIVE_CF_EDGE_ATTR);
+			else
+				fprintf(F, KEEP_ALIVE_DF_EDGE_ATTR);
 		}
 		break;
 	default:
@@ -1475,9 +1475,8 @@ print_edge_vcgattr(FILE *F, ir_node *from, int to) {
 	}
 }
 
-/* dump edges to our inputs */
-static void
-dump_ir_data_edges(FILE *F, ir_node *n)  {
+/** dump edges to our inputs */
+static void dump_ir_data_edges(FILE *F, ir_node *n)  {
 	int i;
 	unsigned long visited = get_irn_visited(n);
 
@@ -2205,6 +2204,7 @@ void dump_vcg_header(FILE *F, const char *name, const char *orientation) {
 		"classname 17: \"interblock Memory\"\n"
 		"classname 18: \"Exception Control Flow for Interval Analysis\"\n"
 		"classname 19: \"Postdominators\"\n"
+		"classname 20: \"Keep Alive\"\n"
 		"infoname 1: \"Attribute\"\n"
 		"infoname 2: \"Verification errors\"\n"
 		"infoname 3: \"Debug info\"\n",

ir/ir/irdump_t.h

@@ -43,6 +43,9 @@
 #define INTER_MEM_EDGE_ATTR      "class:17 priority:10 color:blue"
 #define DOMINATOR_EDGE_ATTR      "class:15 color:red"
 #define POSTDOMINATOR_EDGE_ATTR  "class:19 color:red linestyle:dotted"
+#define KEEP_ALIVE_EDGE_ATTR     "class:20 priority:10 color:purple"
+#define KEEP_ALIVE_CF_EDGE_ATTR  "class:20 priority:60 color:purple"
+#define KEEP_ALIVE_DF_EDGE_ATTR  "class:20 priority:10 color:purple"
 
 #define BACK_EDGE_ATTR "linestyle:dashed "
 
@@ -54,6 +57,7 @@
 #define TYPE_CLASS_NODE_ATTR     "color: green"
 #define TYPE_DESCRIPTION_NODE_ATTR "color: lightgreen"
 #define ENTITY_NODE_ATTR         "color: yellow"
+#define ENUM_ITEM_NODE_ATTR      "color: green"
 #define ENT_TYPE_EDGE_ATTR       "class: 3 label: \"type\" color: red"
 #define ENT_OWN_EDGE_ATTR        "class: 4 label: \"owner\" color: black"
 #define METH_PAR_EDGE_ATTR       "class: 5 label: \"param %d\" color: green"
@@ -67,7 +71,6 @@
 #define ENT_VALUE_EDGE_ATTR      "label: \"value %d\""
 #define ENT_CORR_EDGE_ATTR       "label: \"value %d corresponds to \" "
 #define TYPE_MEMBER_EDGE_ATTR    "class: 12 label: \"member\" color:blue"
-#define ENUM_ITEM_NODE_ATTR      "color: green"
 /* #define CALLGRAPH_EDGE_ATTR      "calls" */
 
 #define PRINT_NODEID(X)       fprintf(F, "n%ld", get_irn_node_nr(X))