2093   void postMerge(unsigned AggregateSize, Class &Lo, Class &Hi) const;
2119   void classify(QualType T, uint64_t OffsetBase, Class &Lo, Class &Hi,
2480                               Class &Hi) const {  in postMerge()
2502   if (Hi == Memory)  in postMerge()
2504   if (Hi == X87Up && Lo != X87 && honorsRevision0_98())  in postMerge()
2506   if (AggregateSize > 128 && (Lo != SSE || Hi != SSEUp))  in postMerge()
2508   if (Hi == SSEUp && Lo != SSE)  in postMerge()
2509     Hi = SSE;  in postMerge()
2553                              Class &Lo, Class &Hi, bool isNamedArg) const {  in classify()  argument
2562   Lo = Hi = NoClass;  in classify()
2564   Class &Current = OffsetBase < 64 ? Lo : Hi;  in classify()
2574       Hi = Integer;  in classify()
2583         Hi = SSEUp;  in classify()
2586         Hi = X87Up;  in classify()
2599     classify(ET->getDecl()->getIntegerType(), OffsetBase, Lo, Hi, isNamedArg);  in classify()
2613         Lo = Hi = Integer;  in classify()
2620           Lo = Hi = Integer;  in classify()
2645         Hi = Lo;  in classify()
2668         Hi = Lo;  in classify()
2694       Hi = SSEUp;  in classify()
2707         Lo = Hi = Integer;  in classify()
2711       Lo = Hi = SSE;  in classify()
2719         Lo = Hi = SSE;  in classify()
2728     if (Hi == NoClass && EB_Real != EB_Imag)  in classify()
2729       Hi = Lo;  in classify()
2769       Hi = merge(Hi, FieldHi);  in classify()
2770       if (Lo == Memory || Hi == Memory)  in classify()
2774     postMerge(Size, Lo, Hi);  in classify()
2775     assert((Hi != SSEUp || Lo == SSE) && "Invalid SSEUp array classification.");  in classify()
2822         Hi = merge(Hi, FieldHi);  in classify()
2823         if (Lo == Memory || Hi == Memory) {  in classify()
2824           postMerge(Size, Lo, Hi);  in classify()
2851         postMerge(Size, Lo, Hi);  in classify()
2857         postMerge(Size, Lo, Hi);  in classify()
2891       Hi = merge(Hi, FieldHi);  in classify()
2892       if (Lo == Memory || Hi == Memory)  in classify()
2896     postMerge(Size, Lo, Hi);  in classify()
3247 GetX86_64ByValArgumentPair(llvm::Type *Lo, llvm::Type *Hi,  in GetX86_64ByValArgumentPair()  argument
3254   unsigned HiAlign = TD.getABITypeAlignment(Hi);  in GetX86_64ByValArgumentPair()
3277   llvm::StructType *Result = llvm::StructType::get(Lo, Hi);  in GetX86_64ByValArgumentPair()
3289   X86_64ABIInfo::Class Lo, Hi;  in classifyReturnType()  local
3290   classify(RetTy, 0, Lo, Hi, /*isNamedArg*/ true);  in classifyReturnType()
3293   assert((Hi != Memory || Lo == Memory) && "Invalid memory classification.");  in classifyReturnType()
3294   assert((Hi != SSEUp || Lo == SSE) && "Invalid SSEUp classification.");  in classifyReturnType()
3299     if (Hi == NoClass)  in classifyReturnType()
3303     assert((Hi == SSE || Hi == Integer || Hi == X87Up) &&  in classifyReturnType()
3323     if (Hi == NoClass && isa<llvm::IntegerType>(ResType)) {  in classifyReturnType()
3350     assert(Hi == ComplexX87 && "Unexpected ComplexX87 classification.");  in classifyReturnType()
3357   switch (Hi) {  in classifyReturnType()
3420   X86_64ABIInfo::Class Lo, Hi;  in classifyArgumentType()  local
3421   classify(Ty, 0, Lo, Hi, isNamedArg);  in classifyArgumentType()
3425   assert((Hi != Memory || Lo == Memory) && "Invalid memory classification.");  in classifyArgumentType()
3426   assert((Hi != SSEUp || Lo == SSE) && "Invalid SSEUp classification.");  in classifyArgumentType()
3433     if (Hi == NoClass)  in classifyArgumentType()
3437     assert((Hi == SSE || Hi == Integer || Hi == X87Up) &&  in classifyArgumentType()
3468     if (Hi == NoClass && isa<llvm::IntegerType>(ResType)) {  in classifyArgumentType()
3492   switch (Hi) {  in classifyArgumentType()