for (Instr i: bb.getInstrs()) {
for (Variable v : i.getUsedVariables()) {
if (v instanceof LocalVariable)
_usedLocalVars.add(v);
}
Variable v = i.getResult();
if ((v != null) && (v instanceof LocalVariable)) _definedLocalVars.add(v);
}
}
for (IRClosure cl: getScope().getClosures()) {