broken! added return nodes

test.l

@@ -1,12 +1,12 @@
-u32 a = 2;
-
-if (a == 3) {
-	a = 5;
-	if (a == 4) {
-		a = 3;
+u32 main(u32 b)
+{
+	u32 a = 4;
+	//return a;
+	if (b == 3) {
+		return 3;
+	} else {
+		return 4;
 	}
-} else {
-	a = 1;
+	
+	return a;
 }
-
-u32 d = a;