public IRBasicBlock(int address) { this(address, -1, false);
public IRBasicBlock( int startPC, int endPC, boolean startOfExceptionHandler) {  this.startPC = startPC; this.endPC = endPC; this.startOfExceptionHandler = startOfExceptionHandler;  this.stackOffset = -1;  this.name = "B" + startPC; predecessors = new BootableArrayList(); successors = new BootableArrayList(); dominatedBlocks = new BootableArrayList(); postOrderNumber = -1; dominanceFrontier = new BootableArrayList(); quads = new BootableArrayList(); defList = new BootableArrayList();
	public IRBasicBlock(int address) {		this(address, -1, false);	}