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| #ifndef ADT
#define ADT
#ifdef WITH_NAMESPACE
namespace llvm {
#endif
template <unsigned Alignment, unsigned Size>
struct AlignedCharArray {
alignas(Alignment) char buffer[Size];
};
template <typename T1>
class AlignerImpl {
T1 t1;
};
template <typename T1>
union SizerImpl {
char arr1[sizeof(T1)];
};
template <typename T1>
struct AlignedCharArrayUnion
: AlignedCharArray<alignof(AlignerImpl<T1>), sizeof(SizerImpl<T1>)> {};
template <typename T, unsigned N>
struct SmallVectorStorage {
AlignedCharArrayUnion<T> InlineElts[N];
};
template <typename T, unsigned N>
class SmallVector : SmallVectorStorage<T, N> {};
template <typename T>
struct OptionalStorage {
AlignedCharArrayUnion<T> storage;
};
template <typename T>
class Optional {
OptionalStorage<T> Storage;
};
#ifdef WITH_NAMESPACE
} // namespace llvm
#endif
#endif
|