public function leaveOp(Op $op, Block $block)
{
if (!$op instanceof Op\Expr\Assign) {
return null;
}
if (!$op->expr instanceof Operand\Literal) {
// Non-constant op
return null;
}
Helper::replaceVar($op->var, $op->expr);
Helper::replaceVar($op->result, $op->expr);
Helper::removeUsage($op->expr, $op);
return Visitor::REMOVE_OP;
}
public function leaveOp(Op $op, Block $block)
{
if (!$op instanceof Op\Expr\BooleanNot) {
return null;
}
if (!$op->expr instanceof Operand\Literal) {
// Non-constant op
return null;
}
$value = new Operand\Literal(-$op->expr->value);
$value->type = Type::fromValue($newValue->value);
Helper::replaceVar($op->result, $value);
Helper::removeUsage($op->expr, $op);
return Visitor::REMOVE_OP;
}
