17 using Field = OptimizedStructLayoutField;  typedef
20 static void checkValidLayout(ArrayRef<Field> Fields, uint64_t Size,  in checkValidLayout()
24   for (auto &Field : Fields) {  in checkValidLayout()  local
25     assert(Field.hasFixedOffset() &&  in checkValidLayout()
27     assert(isAligned(Field.Alignment, Field.Offset) &&  in checkValidLayout()
29     assert(Field.Offset >= LastEnd &&  in checkValidLayout()
31     LastEnd = Field.getEndOffset();  in checkValidLayout()
32     assert(Field.Alignment <= MaxAlign &&  in checkValidLayout()
34     ComputedMaxAlign = std::max(Field.Alignment, MaxAlign);  in checkValidLayout()
42 llvm::performOptimizedStructLayout(MutableArrayRef<Field> Fields) {  in performOptimizedStructLayout()
48     for (auto &Field : Fields) {  in performOptimizedStructLayout()  local
49       assert(Field.Size > 0 && "field of zero size");  in performOptimizedStructLayout()
50       if (Field.hasFixedOffset()) {  in performOptimizedStructLayout()
53         assert(LastEnd <= Field.Offset &&  in performOptimizedStructLayout()
55         LastEnd = Field.getEndOffset();  in performOptimizedStructLayout()
56         assert(LastEnd > Field.Offset &&  in performOptimizedStructLayout()
106                  [](const Field *lhs, const Field *rhs) -> int {  in performOptimizedStructLayout()
249     static Field *getNext(Field *Cur) {  in performOptimizedStructLayout()
250       return static_cast<Field *>(Cur->Scratch);  in performOptimizedStructLayout()
294   auto spliceFromQueue = [&](AlignmentQueue *Queue, Field *Last, Field *Cur) {  in performOptimizedStructLayout()
321   SmallVector<Field, 16> Layout;  in performOptimizedStructLayout()
329   auto addToLayout = [&](AlignmentQueue *Queue, Field *Last, Field *Cur,  in performOptimizedStructLayout()
363     for (Field *Cur = Queue->Head, *Last = nullptr; true;  in performOptimizedStructLayout()