public String toString() {
if (param != null) {
return "cfg: " + param.toString();
} else if (bb != null) {
return "cfg: " + Util.prettyBasicBlock(bb);
} else if (call != null) {
return "cfg: " + call;
} else if (artificial != null) {
return "cfg: " + artificial;
} else {
return "cfg: empty";
}
}
