1 //===- CSKY.cpp -----------------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
17 //===----------------------------------------------------------------------===//
23   static const unsigned XLen = 32;  member in __anond0a0cca10111::CSKYABIInfo
52   int ArgGPRsLeft = IsRetIndirect ? NumArgGPRs - 1 : NumArgGPRs;  in computeInfo()
62   CharUnits SlotSize = CharUnits::fromQuantity(XLen / 8);  in EmitVAArg()
80   // Structures with either a non-trivial destructor or a non-trivial  in classifyArgumentType()
84       ArgGPRsLeft -= 1;  in classifyArgumentType()
93   if (!Ty->getAsUnionType())  in classifyArgumentType()
99   if (Ty->isFloatingType() && !Ty->isComplexType() && FLen >= Size &&  in classifyArgumentType()
101     ArgFPRsLeft--;  in classifyArgumentType()
107   if (Ty->isComplexType() && FLen && !isReturnType) {  in classifyArgumentType()
108     QualType EltTy = Ty->castAs<ComplexType>()->getElementType();  in classifyArgumentType()
110       ArgFPRsLeft -= 2;  in classifyArgumentType()
117     if (const EnumType *EnumTy = Ty->getAs<EnumType>())  in classifyArgumentType()
118       Ty = EnumTy->getDecl()->getIntegerType();  in classifyArgumentType()
120     // All integral types are promoted to XLen width, unless passed on the  in classifyArgumentType()
122     if (Size < XLen && Ty->isIntegralOrEnumerationType())  in classifyArgumentType()
125     if (const auto *EIT = Ty->getAs<BitIntType>()) {  in classifyArgumentType()
126       if (EIT->getNumBits() < XLen)  in classifyArgumentType()
133   // For argument type, the first 4*XLen parts of aggregate will be passed  in classifyArgumentType()
136   // For return type, aggregate which <= 2*XLen will be returned in registers.  in classifyArgumentType()
138   if (!isReturnType || (isReturnType && Size <= 2 * XLen)) {  in classifyArgumentType()
139     if (Size <= XLen) {  in classifyArgumentType()
141           llvm::IntegerType::get(getVMContext(), XLen));  in classifyArgumentType()
144           llvm::IntegerType::get(getVMContext(), XLen), (Size + 31) / XLen));  in classifyArgumentType()
151   if (RetTy->isVoidType())  in classifyReturnType()
155   int ArgFPRsLeft = FLen ? 1 : 0;  in classifyReturnType()