public final Varnode getInput(int i) {
		if (i >= input.length || i < 0) {
			return null;
		}
		return input[i];
	}
@param i the i'th input varnode
@return the i'th input varnode
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/PcodeOp.java