/// 1. If it does not exist, add a declaration of the global and return it.
/// 2. Else, the global exists but has the wrong type: return the function
/// with a constantexpr cast to the right type.
- /// 3. Finally, if the existing global is the correct delclaration, return
+ /// 3. Finally, if the existing global is the correct declaration, return
/// the existing global.
Constant *getOrInsertGlobal(StringRef Name, const Type *Ty);