/// \brief Always allow upcasts, and perform no dynamic check for them.
template <typename To, typename From>
-struct isa_impl<To, From,
- typename enable_if<
- llvm::is_base_of<To, From>
- >::type
- > {
+struct isa_impl<
+ To, From, typename std::enable_if<std::is_base_of<To, From>::value>::type> {
static inline bool doit(const From &) { return true; }
};
template <class X> struct is_simple_type {
static const bool value =
- is_same<X, typename simplify_type<X>::SimpleType>::value;
+ std::is_same<X, typename simplify_type<X>::SimpleType>::value;
};
// cast<X> - Return the argument parameter cast to the specified type. This
// cast<Instruction>(myVal)->getParent()
//
template <class X, class Y>
-inline typename enable_if_c<!is_simple_type<Y>::value,
- typename cast_retty<X, const Y>::ret_type>::type
+inline typename std::enable_if<!is_simple_type<Y>::value,
+ typename cast_retty<X, const Y>::ret_type>::type
cast(const Y &Val) {
assert(isa<X>(Val) && "cast<Ty>() argument of incompatible type!");
return cast_convert_val<
template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename cast_retty<X, Y *>::ret_type
cast_or_null(Y *Val) {
- if (Val == 0) return 0;
+ if (!Val) return nullptr;
assert(isa<X>(Val) && "cast_or_null<Ty>() argument of incompatible type!");
return cast<X>(Val);
}
//
template <class X, class Y>
-LLVM_ATTRIBUTE_UNUSED_RESULT inline typename enable_if_c<
+LLVM_ATTRIBUTE_UNUSED_RESULT inline typename std::enable_if<
!is_simple_type<Y>::value, typename cast_retty<X, const Y>::ret_type>::type
dyn_cast(const Y &Val) {
- return isa<X>(Val) ? cast<X>(Val) : 0;
+ return isa<X>(Val) ? cast<X>(Val) : nullptr;
}
template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename cast_retty<X, Y>::ret_type
dyn_cast(Y &Val) {
- return isa<X>(Val) ? cast<X>(Val) : 0;
+ return isa<X>(Val) ? cast<X>(Val) : nullptr;
}
template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename cast_retty<X, Y *>::ret_type
dyn_cast(Y *Val) {
- return isa<X>(Val) ? cast<X>(Val) : 0;
+ return isa<X>(Val) ? cast<X>(Val) : nullptr;
}
// dyn_cast_or_null<X> - Functionally identical to dyn_cast, except that a null
template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename cast_retty<X, Y *>::ret_type
dyn_cast_or_null(Y *Val) {
- return (Val && isa<X>(Val)) ? cast<X>(Val) : 0;
+ return (Val && isa<X>(Val)) ? cast<X>(Val) : nullptr;
}
} // End llvm namespace