Corner Radius property of UILabel is not working in iOS 7.1
Add the next line to your code:
// Swift:originaltagLbl.layer.masksToBounds = true// Objective C:originaltagLbl.layer.masksToBounds = YES;
For information see this SO answer, or read documentation.
Swift 3/4/5
yourlabel.layer.cornerRadius = 8 //your desire radius yourlabel.layer.masksToBounds = true