18 using Field = OptimizedStructLayoutField;  typedef
21 static void checkValidLayout(ArrayRef<Field> Fields, uint64_t Size,  in checkValidLayout()
25   for (auto &Field : Fields) {  in checkValidLayout()  local
26     assert(Field.hasFixedOffset() &&  in checkValidLayout()
28     assert(isAligned(Field.Alignment, Field.Offset) &&  in checkValidLayout()
30     assert(Field.Offset >= LastEnd &&  in checkValidLayout()
32     LastEnd = Field.getEndOffset();  in checkValidLayout()
33     assert(Field.Alignment <= MaxAlign &&  in checkValidLayout()
35     ComputedMaxAlign = std::max(Field.Alignment, MaxAlign);  in checkValidLayout()
43 llvm::performOptimizedStructLayout(MutableArrayRef<Field> Fields) {  in performOptimizedStructLayout()
49     for (auto &Field : Fields) {  in performOptimizedStructLayout()  local
50       assert(Field.Size > 0 && "field of zero size");  in performOptimizedStructLayout()
51       if (Field.hasFixedOffset()) {  in performOptimizedStructLayout()
54         assert(LastEnd <= Field.Offset &&  in performOptimizedStructLayout()
56         LastEnd = Field.getEndOffset();  in performOptimizedStructLayout()
57         assert(LastEnd > Field.Offset &&  in performOptimizedStructLayout()
107                  [](const Field *lhs, const Field *rhs) -> int {  in performOptimizedStructLayout()
250     static Field *getNext(Field *Cur) {  in performOptimizedStructLayout()
251       return static_cast<Field *>(Cur->Scratch);  in performOptimizedStructLayout()
295   auto spliceFromQueue = [&](AlignmentQueue *Queue, Field *Last, Field *Cur) {  in performOptimizedStructLayout()
322   SmallVector<Field, 16> Layout;  in performOptimizedStructLayout()
330   auto addToLayout = [&](AlignmentQueue *Queue, Field *Last, Field *Cur,  in performOptimizedStructLayout()
364     for (Field *Cur = Queue->Head, *Last = nullptr; true;  in performOptimizedStructLayout()