clang/test/Modules/Inputs/lsv-debuginfo/A/ADT.h

   1 #ifndef ADT
   2 #define ADT
   3
   4 #ifdef WITH_NAMESPACE
   5 namespace llvm {
   6 #endif
   7 template <unsigned Alignment, unsigned Size>
   8 struct AlignedCharArray {
   9   alignas(Alignment) char buffer[Size];
  10 };
  11
  12 template <typename T1>
  13 class AlignerImpl {
  14   T1 t1;
  15 };
  16
  17 template <typename T1>
  18 union SizerImpl {
  19   char arr1[sizeof(T1)];
  20 };
  21
  22 template <typename T1>
  23 struct AlignedCharArrayUnion
  24     : AlignedCharArray<alignof(AlignerImpl<T1>), sizeof(SizerImpl<T1>)> {};
  25
  26 template <typename T, unsigned N>
  27 struct SmallVectorStorage {
  28   AlignedCharArrayUnion<T> InlineElts[N];
  29 };
  30 template <typename T, unsigned N>
  31 class SmallVector : SmallVectorStorage<T, N> {};
  32
  33 template <typename T>
  34 struct OptionalStorage {
  35   AlignedCharArrayUnion<T> storage;
  36 };
  37 template <typename T>
  38 class Optional {
  39   OptionalStorage<T> Storage;
  40 };
  41
  42 #ifdef WITH_NAMESPACE
  43 } // namespace llvm
  44 #endif
  45 #endif