40 /// * LLVM does not have bitfields - Bitfields are collected into contiguous
44 /// * It is desired that, when possible, bitfields use the appropriate iN type
48 ///   3] instead of i24. This is computed when accumulating bitfields in
56 /// * Clang ignores 0 sized bitfields and 0 sized bases but *not* zero sized
62 ///   code to access fields.  Bitfields in tail position with tail padding may
146   /// for itanium bitfields that are smaller than their declared type.
220   llvm::DenseMap<const FieldDecl *, CGBitFieldInfo> BitFields;  member
242   CGBitFieldInfo &Info = BitFields[FD->getCanonicalDecl()];  in setBitFieldInfo()
365   // case of packed bitfields on Itanium) then just use an I8 array.  in lowerUnion()
387              "Failed to accumulate all the bitfields");  in accumulateFields()
405 // Create members for bitfields. Field is a bitfield, and FieldEnd is the end
414     // Run stores the first element of the current run of bitfields. FieldEnd is  in accumulateBitFields()
416     // bitfield run is a contiguous collection of bitfields that can be stored  in accumulateBitFields()
417     // in the same storage block. Zero-sized bitfields and bitfields that would  in accumulateBitFields()
421     // used to determine if the ASTRecordLayout is treating these two bitfields  in accumulateBitFields()
425       // Zero-width bitfields end runs.  in accumulateBitFields()
440         // the bitfields it contains get laid out.  in accumulateBitFields()
443       // Bitfields get the offset of their storage but come afterward and remain  in accumulateBitFields()
453   // of bitfields mustn't interfere with adjacent non-bitfields -- they're  in accumulateBitFields()
486   // Bitfields that share parts of a single byte are, of necessity, placed in  in accumulateBitFields()
488   // adjacent bitfields share parts of a byte. (The first bitfield of such an  in accumulateBitFields()
523   // since Begin. If this is Begin, we're gathering the initial set of bitfields  in accumulateBitFields()
533     // span (or the end of the bitfields). When true, LimitOffset is the  in accumulateBitFields()
551         // part of the same span. This can include zero-length bitfields, should  in accumulateBitFields()
554         // bitfields be a barrier between access units. But of course we can't  in accumulateBitFields()
557                "Concatenating non-contiguous bitfields");  in accumulateBitFields()
560         // bitfields on non-aligning targets that lie at character boundaries  in accumulateBitFields()
581       // Field is the start of a new span or the end of the bitfields. The  in accumulateBitFields()
685         // bitfields get the offset of their storage but come afterward and  in accumulateBitFields()
709              "Accumulating past end of bitfields");  in accumulateBitFields()
759   for (auto &I : BitFields) {  in computeVolatileBitfields()
1125   RL->BitFields.swap(Builder.BitFields);  in ComputeRecordLayout()
1223   OS << "  BitFields:[\n";  in print()
1228          it = BitFields.begin(), ie = BitFields.end();  in print()