}
};
-
+template <class X> struct is_simple_type {
+ static const bool value =
+ is_same<X, typename simplify_type<X>::SimpleType>::value;
+};
// cast<X> - Return the argument parameter cast to the specified type. This
// casting operator asserts that the type is correct, so it does not return null
// cast<Instruction>(myVal)->getParent()
//
template <class X, class Y>
-inline typename cast_retty<X, const Y>::ret_type cast(const Y &Val) {
+inline typename enable_if_c<!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<X, const Y,
- typename simplify_type<const Y>::SimpleType>::doit(Val);
+ return cast_convert_val<
+ X, const Y, typename simplify_type<const Y>::SimpleType>::doit(Val);
}
template <class X, class Y>
}
template <class X, class Y>
-inline typename enable_if<
- is_same<Y, typename simplify_type<Y>::SimpleType>,
- typename cast_retty<X, Y*>::ret_type
->::type cast(Y *Val) {
+inline typename cast_retty<X, Y *>::ret_type cast(Y *Val) {
assert(isa<X>(Val) && "cast<Ty>() argument of incompatible type!");
return cast_convert_val<X, Y*,
typename simplify_type<Y*>::SimpleType>::doit(Val);
//
template <class X, class Y>
-inline typename cast_retty<X, const Y>::ret_type dyn_cast(const Y &Val) {
+inline typename enable_if_c<!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;
}
}
template <class X, class Y>
-inline typename enable_if<
- is_same<Y, typename simplify_type<Y>::SimpleType>,
- typename cast_retty<X, Y*>::ret_type
->::type dyn_cast(Y *Val) {
+inline typename cast_retty<X, Y *>::ret_type dyn_cast(Y *Val) {
return isa<X>(Val) ? cast<X>(Val) : 0;
}