2090   void postMerge(unsigned AggregateSize, Class &Lo, Class &Hi) const;
2116   void classify(QualType T, uint64_t OffsetBase, Class &Lo, Class &Hi,
2474                               Class &Hi) const {  in postMerge()
2496   if (Hi == Memory)  in postMerge()
2498   if (Hi == X87Up && Lo != X87 && honorsRevision0_98())  in postMerge()
2500   if (AggregateSize > 128 && (Lo != SSE || Hi != SSEUp))  in postMerge()
2502   if (Hi == SSEUp && Lo != SSE)  in postMerge()
2503     Hi = SSE;  in postMerge()
2547                              Class &Lo, Class &Hi, bool isNamedArg) const {  in classify()  argument
2556   Lo = Hi = NoClass;  in classify()
2558   Class &Current = OffsetBase < 64 ? Lo : Hi;  in classify()
2568       Hi = Integer;  in classify()
2577         Hi = SSEUp;  in classify()
2580         Hi = X87Up;  in classify()
2593     classify(ET->getDecl()->getIntegerType(), OffsetBase, Lo, Hi, isNamedArg);  in classify()
2607         Lo = Hi = Integer;  in classify()
2614           Lo = Hi = Integer;  in classify()
2639         Hi = Lo;  in classify()
2662         Hi = Lo;  in classify()
2680       Hi = SSEUp;  in classify()
2693         Lo = Hi = Integer;  in classify()
2697       Lo = Hi = SSE;  in classify()
2705         Lo = Hi = SSE;  in classify()
2714     if (Hi == NoClass && EB_Real != EB_Imag)  in classify()
2715       Hi = Lo;  in classify()
2755       Hi = merge(Hi, FieldHi);  in classify()
2756       if (Lo == Memory || Hi == Memory)  in classify()
2760     postMerge(Size, Lo, Hi);  in classify()
2761     assert((Hi != SSEUp || Lo == SSE) && "Invalid SSEUp array classification.");  in classify()
2808         Hi = merge(Hi, FieldHi);  in classify()
2809         if (Lo == Memory || Hi == Memory) {  in classify()
2810           postMerge(Size, Lo, Hi);  in classify()
2837         postMerge(Size, Lo, Hi);  in classify()
2843         postMerge(Size, Lo, Hi);  in classify()
2877       Hi = merge(Hi, FieldHi);  in classify()
2878       if (Lo == Memory || Hi == Memory)  in classify()
2882     postMerge(Size, Lo, Hi);  in classify()
3214 GetX86_64ByValArgumentPair(llvm::Type *Lo, llvm::Type *Hi,  in GetX86_64ByValArgumentPair()  argument
3221   unsigned HiAlign = TD.getABITypeAlignment(Hi);  in GetX86_64ByValArgumentPair()
3244   llvm::StructType *Result = llvm::StructType::get(Lo, Hi);  in GetX86_64ByValArgumentPair()
3256   X86_64ABIInfo::Class Lo, Hi;  in classifyReturnType()  local
3257   classify(RetTy, 0, Lo, Hi, /*isNamedArg*/ true);  in classifyReturnType()
3260   assert((Hi != Memory || Lo == Memory) && "Invalid memory classification.");  in classifyReturnType()
3261   assert((Hi != SSEUp || Lo == SSE) && "Invalid SSEUp classification.");  in classifyReturnType()
3266     if (Hi == NoClass)  in classifyReturnType()
3270     assert((Hi == SSE || Hi == Integer || Hi == X87Up) &&  in classifyReturnType()
3290     if (Hi == NoClass && isa<llvm::IntegerType>(ResType)) {  in classifyReturnType()
3317     assert(Hi == ComplexX87 && "Unexpected ComplexX87 classification.");  in classifyReturnType()
3324   switch (Hi) {  in classifyReturnType()
3387   X86_64ABIInfo::Class Lo, Hi;  in classifyArgumentType()  local
3388   classify(Ty, 0, Lo, Hi, isNamedArg);  in classifyArgumentType()
3392   assert((Hi != Memory || Lo == Memory) && "Invalid memory classification.");  in classifyArgumentType()
3393   assert((Hi != SSEUp || Lo == SSE) && "Invalid SSEUp classification.");  in classifyArgumentType()
3400     if (Hi == NoClass)  in classifyArgumentType()
3404     assert((Hi == SSE || Hi == Integer || Hi == X87Up) &&  in classifyArgumentType()
3435     if (Hi == NoClass && isa<llvm::IntegerType>(ResType)) {  in classifyArgumentType()
3459   switch (Hi) {  in classifyArgumentType()