private boolean hasCallsTo(Program program, CodeBlock bl) {
		Address startAddr = bl.getFirstStartAddress();
		ReferenceIterator referencesTo = program.getReferenceManager().getReferencesTo(startAddr);
		while (referencesTo.hasNext()) {
			Reference reference = referencesTo.next();
			if (reference.getReferenceType().isCall()) {
				return true;
			}
		}
		return false;
	}
Check if there are any data references to this location.
@param program
@param addr
@return true if there are any data references to addr
Ghidra/Processors/ARM/src/main/java/ghidra/app/plugin/core/analysis/ArmAnalyzer.java