diff options
| -rw-r--r-- | include/llvm/Value.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/llvm/Value.h b/include/llvm/Value.h index ea17c3ef2e..aece4ce243 100644 --- a/include/llvm/Value.h +++ b/include/llvm/Value.h @@ -188,7 +188,10 @@ template <class X> class real_type <class UseTy<X> > { typedef X *Type; }; // if (isa<Type>(myVal)) { ... } // template <class X, class Y> -inline bool isa(Y Val) { return X::classof(Val); } +inline bool isa(Y Val) { + assert(Val && "isa<Ty>(NULL) invoked!"); + return X::classof(Val); +} // cast<X> - Return the argument parameter cast to the specified type. This @@ -201,7 +204,8 @@ inline bool isa(Y Val) { return X::classof(Val); } // template <class X, class Y> inline X *cast(Y Val) { - assert((Val == 0 || isa<X>(Val)) && "Invalid cast argument type!"); + assert((Val == 0 || isa<X>(Val)) && + "cast<Ty>() argument of uncompatible type!"); return (X*)(real_type<Y>::Type)Val; } |