SemaRISCV.cpp

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//===------ SemaRISCV.cpp ------- RISC-V target-specific routines ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//  This file implements semantic analysis functions specific to RISC-V.
//
//===----------------------------------------------------------------------===//
 
#include "clang/Sema/SemaRISCV.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Decl.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Sema/Attr.h"
#include "clang/Sema/Initialization.h"
#include "clang/Sema/Lookup.h"
#include "clang/Sema/ParsedAttr.h"
#include "clang/Sema/RISCVIntrinsicManager.h"
#include "clang/Sema/Sema.h"
#include "clang/Support/RISCVVIntrinsicUtils.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/TargetParser/RISCVISAInfo.h"
#include "llvm/TargetParser/RISCVTargetParser.h"
#include <optional>
#include <string>
#include <vector>
 
using namespace llvm;
using namespace clang;
using namespace clang::RISCV;
 
using IntrinsicKind = sema::RISCVIntrinsicManager::IntrinsicKind;
 
namespace {
 
// Function definition of a RVV intrinsic.
struct RVVIntrinsicDef {
  /// Mapping to which clang built-in function, e.g. __builtin_rvv_vadd.
  std::string BuiltinName;
 
  /// Mapping to RequiredFeatures in riscv_vector.td
  StringRef RequiredExtensions;
 
  /// Function signature, first element is return type.
  RVVTypes Signature;
};
 
struct RVVOverloadIntrinsicDef {
  // Indexes of RISCVIntrinsicManagerImpl::IntrinsicList.
  SmallVector<uint32_t, 8> Indexes;
};
 
} // namespace
 
static const PrototypeDescriptor RVVSignatureTable[] = {
#define DECL_SIGNATURE_TABLE
#include "clang/Basic/riscv_vector_builtin_sema.inc"
#undef DECL_SIGNATURE_TABLE
};
 
static const PrototypeDescriptor RVSiFiveVectorSignatureTable[] = {
#define DECL_SIGNATURE_TABLE
#include "clang/Basic/riscv_sifive_vector_builtin_sema.inc"
#undef DECL_SIGNATURE_TABLE
};
 
static const PrototypeDescriptor RVAndesVectorSignatureTable[] = {
#define DECL_SIGNATURE_TABLE
#include "clang/Basic/riscv_andes_vector_builtin_sema.inc"
#undef DECL_SIGNATURE_TABLE
};
 
static const RVVIntrinsicRecord RVVIntrinsicRecords[] = {
#define DECL_INTRINSIC_RECORDS
#include "clang/Basic/riscv_vector_builtin_sema.inc"
#undef DECL_INTRINSIC_RECORDS
};
 
static const RVVIntrinsicRecord RVSiFiveVectorIntrinsicRecords[] = {
#define DECL_INTRINSIC_RECORDS
#include "clang/Basic/riscv_sifive_vector_builtin_sema.inc"
#undef DECL_INTRINSIC_RECORDS
};
 
static const RVVIntrinsicRecord RVAndesVectorIntrinsicRecords[] = {
#define DECL_INTRINSIC_RECORDS
#include "clang/Basic/riscv_andes_vector_builtin_sema.inc"
#undef DECL_INTRINSIC_RECORDS
};
 
// Get subsequence of signature table.
static ArrayRef<PrototypeDescriptor>
ProtoSeq2ArrayRef(IntrinsicKind K, uint16_t Index, uint8_t Length) {
  switch (K) {
  case IntrinsicKind::RVV:
    return ArrayRef(&RVVSignatureTable[Index], Length);
  case IntrinsicKind::SIFIVE_VECTOR:
    return ArrayRef(&RVSiFiveVectorSignatureTable[Index], Length);
  case IntrinsicKind::ANDES_VECTOR:
    return ArrayRef(&RVAndesVectorSignatureTable[Index], Length);
  }
  llvm_unreachable("Unhandled IntrinsicKind");
}
 
static QualType RVVType2Qual(ASTContext &Context, const RVVType *Type) {
  QualType QT;
  switch (Type->getScalarType()) {
  case ScalarTypeKind::Void:
    QT = Context.VoidTy;
    break;
  case ScalarTypeKind::Size_t:
    QT = Context.getSizeType();
    break;
  case ScalarTypeKind::Ptrdiff_t:
    QT = Context.getPointerDiffType();
    break;
  case ScalarTypeKind::UnsignedLong:
    QT = Context.UnsignedLongTy;
    break;
  case ScalarTypeKind::SignedLong:
    QT = Context.LongTy;
    break;
  case ScalarTypeKind::Boolean:
    QT = Context.BoolTy;
    break;
  case ScalarTypeKind::SignedInteger:
    // getIntTypeForBitwidth() picks a type purely by matching bit width, so
    // on LP64 targets a 64-bit element would resolve to "long" even if the
    // target's actual int64_t is "long long" (e.g. OpenBSD). Go through the
    // target's Int64Type so this matches int64_t/uint64_t.
    if (Type->getElementBitwidth() == 64)
      QT = Context.getTargetInfo().getInt64Type() == TargetInfo::SignedLong
               ? Context.LongTy
               : Context.LongLongTy;
    else
      QT = Context.getIntTypeForBitwidth(Type->getElementBitwidth(), true);
    break;
  case ScalarTypeKind::UnsignedInteger:
    if (Type->getElementBitwidth() == 64)
      QT = Context.getTargetInfo().getInt64Type() == TargetInfo::SignedLong
               ? Context.UnsignedLongTy
               : Context.UnsignedLongLongTy;
    else
      QT = Context.getIntTypeForBitwidth(Type->getElementBitwidth(), false);
    break;
  case ScalarTypeKind::FloatE4M3:
  case ScalarTypeKind::FloatE5M2: {
    // TODO: This is a workaround code to only support OP8 RVV types without
    // supporting scalar OFP8 types. We need to refactor after scalar types are
    // supported.
    assert(Type->isVector() && "Only support vector of OFP8 types.");
    bool IsE5M2 = Type->getScalarType() == ScalarTypeKind::FloatE5M2;
    unsigned Scale = *Type->getScale();
#define RVV_VECTOR_TYPE_OFP8(Name, Id, SingletonId, NumEls, E5m2)              \
  if (IsE5M2 == E5m2 && Scale == NumEls)                                       \
    QT = Context.SingletonId;
#include "clang/Basic/RISCVVTypes.def"
    assert(!QT.isNull() && "Unsupported OFP8 vector type");
    if (Type->isConstant())
      QT = Context.getConstType(QT);
    if (Type->isPointer())
      QT = Context.getPointerType(QT);
    return QT;
  }
  case ScalarTypeKind::BFloat:
    QT = Context.BFloat16Ty;
    break;
  case ScalarTypeKind::Float:
    switch (Type->getElementBitwidth()) {
    case 64:
      QT = Context.DoubleTy;
      break;
    case 32:
      QT = Context.FloatTy;
      break;
    case 16:
      QT = Context.Float16Ty;
      break;
    default:
      llvm_unreachable("Unsupported floating point width.");
    }
    break;
  case Invalid:
  case Undefined:
    llvm_unreachable("Unhandled type.");
  }
  if (Type->isVector()) {
    if (Type->isTuple())
      QT = Context.getScalableVectorType(QT, *Type->getScale(), Type->getNF());
    else
      QT = Context.getScalableVectorType(QT, *Type->getScale());
  }
 
  if (Type->isConstant())
    QT = Context.getConstType(QT);
 
  // Transform the type to a pointer as the last step, if necessary.
  if (Type->isPointer())
    QT = Context.getPointerType(QT);
 
  return QT;
}
 
namespace {
class RISCVIntrinsicManagerImpl : public sema::RISCVIntrinsicManager {
private:
  Sema &S;
  RVVTypeCache TypeCache;
  bool ConstructedRISCVVBuiltins;
  bool ConstructedRISCVSiFiveVectorBuiltins;
  bool ConstructedRISCVAndesVectorBuiltins;
 
  // List of all RVV intrinsic.
  std::vector<RVVIntrinsicDef> IntrinsicList;
  // Mapping function name to index of IntrinsicList.
  StringMap<uint32_t> Intrinsics;
  // Mapping function name to RVVOverloadIntrinsicDef.
  StringMap<RVVOverloadIntrinsicDef> OverloadIntrinsics;
 
  // Create RVVIntrinsicDef.
  void InitRVVIntrinsic(const RVVIntrinsicRecord &Record, StringRef SuffixStr,
                        StringRef OverloadedSuffixStr, bool IsMask,
                        RVVTypes &Types, bool HasPolicy, Policy PolicyAttrs);
 
  // Create FunctionDecl for a vector intrinsic.
  void CreateRVVIntrinsicDecl(LookupResult &LR, IdentifierInfo *II,
                              Preprocessor &PP, uint32_t Index,
                              bool IsOverload);
 
  void ConstructRVVIntrinsics(ArrayRef<RVVIntrinsicRecord> Recs,
                              IntrinsicKind K);
 
public:
  RISCVIntrinsicManagerImpl(clang::Sema &S) : S(S) {
    ConstructedRISCVVBuiltins = false;
    ConstructedRISCVSiFiveVectorBuiltins = false;
    ConstructedRISCVAndesVectorBuiltins = false;
  }
 
  // Initialize IntrinsicList
  void InitIntrinsicList() override;
 
  // Create RISC-V vector intrinsic and insert into symbol table if found, and
  // return true, otherwise return false.
  bool CreateIntrinsicIfFound(LookupResult &LR, IdentifierInfo *II,
                              Preprocessor &PP) override;
};
} // namespace
 
void RISCVIntrinsicManagerImpl::ConstructRVVIntrinsics(
    ArrayRef<RVVIntrinsicRecord> Recs, IntrinsicKind K) {
  // Construction of RVVIntrinsicRecords need to sync with createRVVIntrinsics
  // in RISCVVEmitter.cpp.
  for (auto &Record : Recs) {
    // Create Intrinsics for each type and LMUL.
    BasicType BaseType = BasicType::Unknown;
    ArrayRef<PrototypeDescriptor> BasicProtoSeq =
        ProtoSeq2ArrayRef(K, Record.PrototypeIndex, Record.PrototypeLength);
    ArrayRef<PrototypeDescriptor> SuffixProto =
        ProtoSeq2ArrayRef(K, Record.SuffixIndex, Record.SuffixLength);
    ArrayRef<PrototypeDescriptor> OverloadedSuffixProto = ProtoSeq2ArrayRef(
        K, Record.OverloadedSuffixIndex, Record.OverloadedSuffixSize);
 
    PolicyScheme UnMaskedPolicyScheme =
        static_cast<PolicyScheme>(Record.UnMaskedPolicyScheme);
    PolicyScheme MaskedPolicyScheme =
        static_cast<PolicyScheme>(Record.MaskedPolicyScheme);
 
    const Policy DefaultPolicy;
 
    llvm::SmallVector<PrototypeDescriptor> ProtoSeq =
        RVVIntrinsic::computeBuiltinTypes(
            BasicProtoSeq, /*IsMasked=*/false,
            /*HasMaskedOffOperand=*/false,
            /*MaskedPrototypeHasResultMask=*/false, Record.HasVL, Record.NF,
            UnMaskedPolicyScheme, DefaultPolicy, Record.IsTuple);
 
    llvm::SmallVector<PrototypeDescriptor> ProtoMaskSeq;
    if (Record.HasMasked)
      ProtoMaskSeq = RVVIntrinsic::computeBuiltinTypes(
          BasicProtoSeq, /*IsMasked=*/true, Record.HasMaskedOffOperand,
          Record.MaskedPrototypeHasResultMask, Record.HasVL, Record.NF,
          MaskedPolicyScheme, DefaultPolicy, Record.IsTuple);
 
    bool UnMaskedHasPolicy = UnMaskedPolicyScheme != PolicyScheme::SchemeNone;
    bool MaskedHasPolicy = MaskedPolicyScheme != PolicyScheme::SchemeNone;
    SmallVector<Policy> SupportedUnMaskedPolicies =
        RVVIntrinsic::getSupportedUnMaskedPolicies();
    SmallVector<Policy> SupportedMaskedPolicies =
        RVVIntrinsic::getSupportedMaskedPolicies(Record.HasTailPolicy,
                                                 Record.HasMaskPolicy);
 
    for (unsigned int TypeRangeMaskShift = 0;
         TypeRangeMaskShift <= static_cast<unsigned int>(BasicType::MaxOffset);
         ++TypeRangeMaskShift) {
      unsigned int BaseTypeI = 1 << TypeRangeMaskShift;
      BaseType = static_cast<BasicType>(BaseTypeI);
 
      if ((BaseTypeI & Record.TypeRangeMask) != BaseTypeI)
        continue;
 
      // Expanded with different LMUL.
      for (int Log2LMUL = -3; Log2LMUL <= 3; Log2LMUL++) {
        if (!(Record.Log2LMULMask & (1 << (Log2LMUL + 3))))
          continue;
 
        std::optional<RVVTypes> Types =
            TypeCache.computeTypes(BaseType, Log2LMUL, Record.NF, ProtoSeq);
 
        // Ignored to create new intrinsic if there are any illegal types.
        if (!Types.has_value())
          continue;
 
        std::string SuffixStr = RVVIntrinsic::getSuffixStr(
            TypeCache, BaseType, Log2LMUL, SuffixProto);
        std::string OverloadedSuffixStr = RVVIntrinsic::getSuffixStr(
            TypeCache, BaseType, Log2LMUL, OverloadedSuffixProto);
 
        // Create non-masked intrinsic.
        InitRVVIntrinsic(Record, SuffixStr, OverloadedSuffixStr, false, *Types,
                         UnMaskedHasPolicy, DefaultPolicy);
 
        // Create non-masked policy intrinsic.
        if (Record.UnMaskedPolicyScheme != PolicyScheme::SchemeNone) {
          for (auto P : SupportedUnMaskedPolicies) {
            llvm::SmallVector<PrototypeDescriptor> PolicyPrototype =
                RVVIntrinsic::computeBuiltinTypes(
                    BasicProtoSeq, /*IsMasked=*/false,
                    /*HasMaskedOffOperand=*/false,
                    /*MaskedPrototypeHasResultMask=*/false, Record.HasVL,
                    Record.NF, UnMaskedPolicyScheme, P, Record.IsTuple);
            std::optional<RVVTypes> PolicyTypes = TypeCache.computeTypes(
                BaseType, Log2LMUL, Record.NF, PolicyPrototype);
            InitRVVIntrinsic(Record, SuffixStr, OverloadedSuffixStr,
                             /*IsMask=*/false, *PolicyTypes, UnMaskedHasPolicy,
                             P);
          }
        }
        if (!Record.HasMasked)
          continue;
        // Create masked intrinsic.
        std::optional<RVVTypes> MaskTypes =
            TypeCache.computeTypes(BaseType, Log2LMUL, Record.NF, ProtoMaskSeq);
        InitRVVIntrinsic(Record, SuffixStr, OverloadedSuffixStr, true,
                         *MaskTypes, MaskedHasPolicy, DefaultPolicy);
        if (Record.MaskedPolicyScheme == PolicyScheme::SchemeNone)
          continue;
        // Create masked policy intrinsic.
        for (auto P : SupportedMaskedPolicies) {
          llvm::SmallVector<PrototypeDescriptor> PolicyPrototype =
              RVVIntrinsic::computeBuiltinTypes(
                  BasicProtoSeq, /*IsMasked=*/true, Record.HasMaskedOffOperand,
                  Record.MaskedPrototypeHasResultMask, Record.HasVL, Record.NF,
                  MaskedPolicyScheme, P, Record.IsTuple);
          std::optional<RVVTypes> PolicyTypes = TypeCache.computeTypes(
              BaseType, Log2LMUL, Record.NF, PolicyPrototype);
          InitRVVIntrinsic(Record, SuffixStr, OverloadedSuffixStr,
                           /*IsMask=*/true, *PolicyTypes, MaskedHasPolicy, P);
        }
      } // End for different LMUL
    } // End for different TypeRange
  }
}
 
void RISCVIntrinsicManagerImpl::InitIntrinsicList() {
 
  if (S.RISCV().DeclareRVVBuiltins && !ConstructedRISCVVBuiltins) {
    ConstructedRISCVVBuiltins = true;
    ConstructRVVIntrinsics(RVVIntrinsicRecords, IntrinsicKind::RVV);
  }
  if (S.RISCV().DeclareSiFiveVectorBuiltins &&
      !ConstructedRISCVSiFiveVectorBuiltins) {
    ConstructedRISCVSiFiveVectorBuiltins = true;
    ConstructRVVIntrinsics(RVSiFiveVectorIntrinsicRecords,
                           IntrinsicKind::SIFIVE_VECTOR);
  }
  if (S.RISCV().DeclareAndesVectorBuiltins &&
      !ConstructedRISCVAndesVectorBuiltins) {
    ConstructedRISCVAndesVectorBuiltins = true;
    ConstructRVVIntrinsics(RVAndesVectorIntrinsicRecords,
                           IntrinsicKind::ANDES_VECTOR);
  }
}
 
// Compute name and signatures for intrinsic with practical types.
void RISCVIntrinsicManagerImpl::InitRVVIntrinsic(
    const RVVIntrinsicRecord &Record, StringRef SuffixStr,
    StringRef OverloadedSuffixStr, bool IsMasked, RVVTypes &Signature,
    bool HasPolicy, Policy PolicyAttrs) {
  // Function name, e.g. vadd_vv_i32m1.
  std::string Name = Record.Name;
  if (!SuffixStr.empty())
    Name += "_" + SuffixStr.str();
 
  // Overloaded function name, e.g. vadd.
  std::string OverloadedName;
  if (!Record.OverloadedName)
    OverloadedName = StringRef(Record.Name).split("_").first.str();
  else
    OverloadedName = Record.OverloadedName;
  if (!OverloadedSuffixStr.empty())
    OverloadedName += "_" + OverloadedSuffixStr.str();
 
  // clang built-in function name, e.g. __builtin_rvv_vadd.
  std::string BuiltinName = std::string(Record.Name);
 
  RVVIntrinsic::updateNamesAndPolicy(IsMasked, HasPolicy, Name, BuiltinName,
                                     OverloadedName, PolicyAttrs,
                                     Record.HasFRMRoundModeOp, Record.AltFmt);
 
  // Put into IntrinsicList.
  uint32_t Index = IntrinsicList.size();
  assert(IntrinsicList.size() == (size_t)Index &&
         "Intrinsics indices overflow.");
  IntrinsicList.push_back({BuiltinName, Record.RequiredExtensions, Signature});
 
  // Creating mapping to Intrinsics.
  Intrinsics.insert({Name, Index});
 
  // Get the RVVOverloadIntrinsicDef.
  RVVOverloadIntrinsicDef &OverloadIntrinsicDef =
      OverloadIntrinsics[OverloadedName];
 
  // And added the index.
  OverloadIntrinsicDef.Indexes.push_back(Index);
}
 
void RISCVIntrinsicManagerImpl::CreateRVVIntrinsicDecl(LookupResult &LR,
                                                       IdentifierInfo *II,
                                                       Preprocessor &PP,
                                                       uint32_t Index,
                                                       bool IsOverload) {
  ASTContext &Context = S.Context;
  RVVIntrinsicDef &IDef = IntrinsicList[Index];
  RVVTypes Sigs = IDef.Signature;
  size_t SigLength = Sigs.size();
  RVVType *ReturnType = Sigs[0];
  QualType RetType = RVVType2Qual(Context, ReturnType);
  SmallVector<QualType, 8> ArgTypes;
  QualType BuiltinFuncType;
 
  // Skip return type, and convert RVVType to QualType for arguments.
  for (size_t i = 1; i < SigLength; ++i)
    ArgTypes.push_back(RVVType2Qual(Context, Sigs[i]));
 
  FunctionProtoType::ExtProtoInfo PI(
      Context.getTargetInfo().getDefaultCallingConv());
 
  PI.Variadic = false;
 
  SourceLocation Loc = LR.getNameLoc();
  BuiltinFuncType = Context.getFunctionType(RetType, ArgTypes, PI);
  DeclContext *Parent = Context.getTranslationUnitDecl();
 
  FunctionDecl *RVVIntrinsicDecl = FunctionDecl::Create(
      Context, Parent, Loc, Loc, II, BuiltinFuncType, /*TInfo=*/nullptr,
      SC_Extern, S.getCurFPFeatures().isFPConstrained(),
      /*isInlineSpecified*/ false,
      /*hasWrittenPrototype*/ true);
 
  // Create Decl objects for each parameter, adding them to the
  // FunctionDecl.
  const auto *FP = cast<FunctionProtoType>(BuiltinFuncType);
  SmallVector<ParmVarDecl *, 8> ParmList;
  for (unsigned IParm = 0, E = FP->getNumParams(); IParm != E; ++IParm) {
    ParmVarDecl *Parm =
        ParmVarDecl::Create(Context, RVVIntrinsicDecl, Loc, Loc, nullptr,
                            FP->getParamType(IParm), nullptr, SC_None, nullptr);
    Parm->setScopeInfo(0, IParm);
    ParmList.push_back(Parm);
  }
  RVVIntrinsicDecl->setParams(ParmList);
 
  // Add function attributes.
  if (IsOverload)
    RVVIntrinsicDecl->addAttr(OverloadableAttr::CreateImplicit(Context));
 
  if (IDef.RequiredExtensions != "")
    RVVIntrinsicDecl->addAttr(
        TargetAttr::CreateImplicit(Context, IDef.RequiredExtensions));
  // Setup alias to __builtin_rvv_*
  IdentifierInfo &IntrinsicII =
      PP.getIdentifierTable().get("__builtin_rvv_" + IDef.BuiltinName);
  RVVIntrinsicDecl->addAttr(
      BuiltinAliasAttr::CreateImplicit(S.Context, &IntrinsicII));
 
  // Add to symbol table.
  LR.addDecl(RVVIntrinsicDecl);
}
 
bool RISCVIntrinsicManagerImpl::CreateIntrinsicIfFound(LookupResult &LR,
                                                       IdentifierInfo *II,
                                                       Preprocessor &PP) {
  StringRef Name = II->getName();
  if (!Name.consume_front("__riscv_"))
    return false;
 
  // Lookup the function name from the overload intrinsics first.
  auto OvIItr = OverloadIntrinsics.find(Name);
  if (OvIItr != OverloadIntrinsics.end()) {
    const RVVOverloadIntrinsicDef &OvIntrinsicDef = OvIItr->second;
    for (auto Index : OvIntrinsicDef.Indexes)
      CreateRVVIntrinsicDecl(LR, II, PP, Index,
                             /*IsOverload*/ true);
 
    // If we added overloads, need to resolve the lookup result.
    LR.resolveKind();
    return true;
  }
 
  // Lookup the function name from the intrinsics.
  auto Itr = Intrinsics.find(Name);
  if (Itr != Intrinsics.end()) {
    CreateRVVIntrinsicDecl(LR, II, PP, Itr->second,
                           /*IsOverload*/ false);
    return true;
  }
 
  // It's not an RVV intrinsics.
  return false;
}
 
namespace clang {
std::unique_ptr<clang::sema::RISCVIntrinsicManager>
CreateRISCVIntrinsicManager(Sema &S) {
  return std::make_unique<RISCVIntrinsicManagerImpl>(S);
}
 
bool SemaRISCV::CheckLMUL(CallExpr *TheCall, unsigned ArgNum) {
  llvm::APSInt Result;
 
  // We can't check the value of a dependent argument.
  Expr *Arg = TheCall->getArg(ArgNum);
  if (Arg->isTypeDependent() || Arg->isValueDependent())
    return false;
 
  // Check constant-ness first.
  if (SemaRef.BuiltinConstantArg(TheCall, ArgNum, Result))
    return true;
 
  int64_t Val = Result.getSExtValue();
  if ((Val >= 0 && Val <= 3) || (Val >= 5 && Val <= 7))
    return false;
 
  return Diag(TheCall->getBeginLoc(), diag::err_riscv_builtin_invalid_lmul)
         << Arg->getSourceRange();
}
 
static bool CheckInvalidVLENandLMUL(const TargetInfo &TI,
                                    llvm::StringMap<bool> &FunctionFeatureMap,
                                    CallExpr *TheCall, Sema &S, QualType Type,
                                    int EGW) {
  assert((EGW == 128 || EGW == 256) && "EGW can only be 128 or 256 bits");
 
  // LMUL * VLEN >= EGW
  ASTContext::BuiltinVectorTypeInfo Info =
      S.Context.getBuiltinVectorTypeInfo(Type->castAs<BuiltinType>());
  unsigned ElemSize = S.Context.getTypeSize(Info.ElementType);
  unsigned MinElemCount = Info.EC.getKnownMinValue();
 
  unsigned EGS = EGW / ElemSize;
  // If EGS is less than or equal to the minimum number of elements, then the
  // type is valid.
  if (EGS <= MinElemCount)
    return false;
 
  // Otherwise, we need vscale to be at least EGS / MinElemCont.
  assert(EGS % MinElemCount == 0);
  unsigned VScaleFactor = EGS / MinElemCount;
  // Vscale is VLEN/RVVBitsPerBlock.
  unsigned MinRequiredVLEN = VScaleFactor * llvm::RISCV::RVVBitsPerBlock;
  std::string RequiredExt = "zvl" + std::to_string(MinRequiredVLEN) + "b";
  if (!TI.hasFeature(RequiredExt) && !FunctionFeatureMap.lookup(RequiredExt))
    return S.Diag(TheCall->getBeginLoc(),
                  diag::err_riscv_type_requires_extension)
           << Type << RequiredExt;
 
  return false;
}
 
bool SemaRISCV::CheckBuiltinFunctionCall(const TargetInfo &TI,
                                         unsigned BuiltinID,
                                         CallExpr *TheCall) {
  ASTContext &Context = getASTContext();
  const FunctionDecl *FD = SemaRef.getCurFunctionDecl();
  llvm::StringMap<bool> FunctionFeatureMap;
  Context.getFunctionFeatureMap(FunctionFeatureMap, FD);
 
  if (const auto *A = TheCall->getCalleeDecl()->getAttr<TargetAttr>()) {
    StringRef FeaturesStr = A->getFeaturesStr();
    llvm::SmallVector<StringRef> RequiredFeatures;
    FeaturesStr.split(RequiredFeatures, ',');
    for (auto RF : RequiredFeatures)
      if (!TI.hasFeature(RF) && !FunctionFeatureMap.lookup(RF))
        return Diag(TheCall->getBeginLoc(),
                    diag::err_riscv_builtin_requires_extension)
               << /* IsExtension */ true << TheCall->getSourceRange() << RF;
  }
 
  // vmulh.vv, vmulh.vx, vmulhu.vv, vmulhu.vx, vmulhsu.vv, vmulhsu.vx,
  // vsmul.vv, vsmul.vx are not included for EEW=64 in Zve64*.
  switch (BuiltinID) {
  default:
    break;
  case RISCVVector::BI__builtin_rvv_vmulhsu_vv:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vx:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vv_tu:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vx_tu:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vv_m:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vx_m:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vv_mu:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vx_mu:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vv_tum:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vx_tum:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vmulhsu_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vmulhu_vv:
  case RISCVVector::BI__builtin_rvv_vmulhu_vx:
  case RISCVVector::BI__builtin_rvv_vmulhu_vv_tu:
  case RISCVVector::BI__builtin_rvv_vmulhu_vx_tu:
  case RISCVVector::BI__builtin_rvv_vmulhu_vv_m:
  case RISCVVector::BI__builtin_rvv_vmulhu_vx_m:
  case RISCVVector::BI__builtin_rvv_vmulhu_vv_mu:
  case RISCVVector::BI__builtin_rvv_vmulhu_vx_mu:
  case RISCVVector::BI__builtin_rvv_vmulhu_vv_tum:
  case RISCVVector::BI__builtin_rvv_vmulhu_vx_tum:
  case RISCVVector::BI__builtin_rvv_vmulhu_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vmulhu_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vmulh_vv:
  case RISCVVector::BI__builtin_rvv_vmulh_vx:
  case RISCVVector::BI__builtin_rvv_vmulh_vv_tu:
  case RISCVVector::BI__builtin_rvv_vmulh_vx_tu:
  case RISCVVector::BI__builtin_rvv_vmulh_vv_m:
  case RISCVVector::BI__builtin_rvv_vmulh_vx_m:
  case RISCVVector::BI__builtin_rvv_vmulh_vv_mu:
  case RISCVVector::BI__builtin_rvv_vmulh_vx_mu:
  case RISCVVector::BI__builtin_rvv_vmulh_vv_tum:
  case RISCVVector::BI__builtin_rvv_vmulh_vx_tum:
  case RISCVVector::BI__builtin_rvv_vmulh_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vmulh_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vsmul_vv:
  case RISCVVector::BI__builtin_rvv_vsmul_vx:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_tu:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_tu:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_m:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_m:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_mu:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_mu:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_tum:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_tum:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_tumu: {
    ASTContext::BuiltinVectorTypeInfo Info = Context.getBuiltinVectorTypeInfo(
        TheCall->getType()->castAs<BuiltinType>());
 
    if (Context.getTypeSize(Info.ElementType) == 64 && !TI.hasFeature("v") &&
        !FunctionFeatureMap.lookup("v"))
      return Diag(TheCall->getBeginLoc(),
                  diag::err_riscv_builtin_requires_extension)
             << /* IsExtension */ true << TheCall->getSourceRange() << "v";
 
    break;
  }
  }
 
  auto CheckVSetVL = [&](unsigned SEWOffset, unsigned LMULOffset) -> bool {
    const FunctionDecl *FD = SemaRef.getCurFunctionDecl();
    llvm::StringMap<bool> FunctionFeatureMap;
    Context.getFunctionFeatureMap(FunctionFeatureMap, FD);
    llvm::APSInt SEWResult;
    llvm::APSInt LMULResult;
    if (SemaRef.BuiltinConstantArg(TheCall, SEWOffset, SEWResult) ||
        SemaRef.BuiltinConstantArg(TheCall, LMULOffset, LMULResult))
      return true;
    int SEWValue = SEWResult.getSExtValue();
    int LMULValue = LMULResult.getSExtValue();
    if (((SEWValue == 0 && LMULValue == 5) || // e8mf8
         (SEWValue == 1 && LMULValue == 6) || // e16mf4
         (SEWValue == 2 && LMULValue == 7) || // e32mf2
         SEWValue == 3) &&                    // e64
        !TI.hasFeature("zve64x") &&
        !FunctionFeatureMap.lookup("zve64x"))
      return Diag(TheCall->getBeginLoc(),
                  diag::err_riscv_builtin_requires_extension)
             << /* IsExtension */ true << TheCall->getSourceRange() << "zve64x";
    return SemaRef.BuiltinConstantArgRange(TheCall, SEWOffset, 0, 3) ||
           CheckLMUL(TheCall, LMULOffset);
  };
  switch (BuiltinID) {
  case RISCVVector::BI__builtin_rvv_vsetvli:
    return CheckVSetVL(1, 2);
  case RISCVVector::BI__builtin_rvv_vsetvlimax:
    return CheckVSetVL(0, 1);
  case RISCVVector::BI__builtin_rvv_sf_vsettnt:
  case RISCVVector::BI__builtin_rvv_sf_vsettm:
  case RISCVVector::BI__builtin_rvv_sf_vsettn:
  case RISCVVector::BI__builtin_rvv_sf_vsettk:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, 1, 3);
  case RISCVVector::BI__builtin_rvv_sf_mm_f_f_w1:
  case RISCVVector::BI__builtin_rvv_sf_mm_f_f_w2:
  case RISCVVector::BI__builtin_rvv_sf_mm_e5m2_e4m3_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_e5m2_e5m2_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_e4m3_e4m3_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_e4m3_e5m2_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_u_u_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_u_s_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_s_u_w4:
  case RISCVVector::BI__builtin_rvv_sf_mm_s_s_w4: {
    QualType Arg1Type = TheCall->getArg(1)->getType();
    ASTContext::BuiltinVectorTypeInfo Info =
        SemaRef.Context.getBuiltinVectorTypeInfo(
            Arg1Type->castAs<BuiltinType>());
    unsigned EltSize = SemaRef.Context.getTypeSize(Info.ElementType);
    llvm::APSInt Result;
 
    // We can't check the value of a dependent argument.
    Expr *Arg = TheCall->getArg(0);
    if (Arg->isTypeDependent() || Arg->isValueDependent())
      return false;
 
    // Check constant-ness first.
    if (SemaRef.BuiltinConstantArg(TheCall, 0, Result))
      return true;
 
    // For TEW = 32, mtd can only be 0, 4, 8, 12.
    // For TEW = 64, mtd can only be 0, 2, 4, 6, 8, 10, 12, 14.
    // Only `sf_mm_f_f_w1` and `sf_mm_f_f_w2` might have TEW = 64.
    if ((BuiltinID == RISCVVector::BI__builtin_rvv_sf_mm_f_f_w1 &&
         EltSize == 64) ||
        (BuiltinID == RISCVVector::BI__builtin_rvv_sf_mm_f_f_w2 &&
         EltSize == 32))
      return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 15) ||
             SemaRef.BuiltinConstantArgMultiple(TheCall, 0, 2);
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 15) ||
           SemaRef.BuiltinConstantArgMultiple(TheCall, 0, 4);
  }
  case RISCVVector::BI__builtin_rvv_sf_vtzero_t: {
    llvm::APSInt Log2SEWResult;
    llvm::APSInt TWidenResult;
    if (SemaRef.BuiltinConstantArg(TheCall, 3, Log2SEWResult) ||
        SemaRef.BuiltinConstantArg(TheCall, 4, TWidenResult))
      return true;
 
    int Log2SEW = Log2SEWResult.getSExtValue();
    int TWiden = TWidenResult.getSExtValue();
 
    // 3 <= LogSEW <= 6
    if (SemaRef.BuiltinConstantArgRange(TheCall, 3, 3, 6))
      return true;
 
    // TWiden
    if (TWiden != 1 && TWiden != 2 && TWiden != 4)
      return Diag(TheCall->getBeginLoc(),
                  diag::err_riscv_builtin_invalid_twiden);
 
    int TEW = (1 << Log2SEW) * TWiden;
 
    // For TEW = 8, mtd can be 0~15.
    // For TEW = 16 or 64, mtd can only be 0, 2, 4, 6, 8, 10, 12, 14.
    // For TEW = 32, mtd can only be 0, 4, 8, 12.
    if (SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 15))
      return true;
    if (TEW == 16 || TEW == 64)
      return SemaRef.BuiltinConstantArgMultiple(TheCall, 0, 2);
    return SemaRef.BuiltinConstantArgMultiple(TheCall, 0, 4);
  }
  case RISCVVector::BI__builtin_rvv_vget_v: {
    ASTContext::BuiltinVectorTypeInfo ResVecInfo =
        Context.getBuiltinVectorTypeInfo(cast<BuiltinType>(
            TheCall->getType().getCanonicalType().getTypePtr()));
    ASTContext::BuiltinVectorTypeInfo VecInfo =
        Context.getBuiltinVectorTypeInfo(cast<BuiltinType>(
            TheCall->getArg(0)->getType().getCanonicalType().getTypePtr()));
    unsigned MaxIndex;
    if (VecInfo.NumVectors != 1) // vget for tuple type
      MaxIndex = VecInfo.NumVectors;
    else // vget for non-tuple type
      MaxIndex = (VecInfo.EC.getKnownMinValue() * VecInfo.NumVectors) /
                 (ResVecInfo.EC.getKnownMinValue() * ResVecInfo.NumVectors);
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, MaxIndex - 1);
  }
  case RISCVVector::BI__builtin_rvv_vset_v: {
    ASTContext::BuiltinVectorTypeInfo ResVecInfo =
        Context.getBuiltinVectorTypeInfo(cast<BuiltinType>(
            TheCall->getType().getCanonicalType().getTypePtr()));
    ASTContext::BuiltinVectorTypeInfo VecInfo =
        Context.getBuiltinVectorTypeInfo(cast<BuiltinType>(
            TheCall->getArg(2)->getType().getCanonicalType().getTypePtr()));
    unsigned MaxIndex;
    if (ResVecInfo.NumVectors != 1) // vset for tuple type
      MaxIndex = ResVecInfo.NumVectors;
    else // vset fo non-tuple type
      MaxIndex = (ResVecInfo.EC.getKnownMinValue() * ResVecInfo.NumVectors) /
                 (VecInfo.EC.getKnownMinValue() * VecInfo.NumVectors);
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, MaxIndex - 1);
  }
  // Vector Crypto
  case RISCVVector::BI__builtin_rvv_vaeskf1_vi_tu:
  case RISCVVector::BI__builtin_rvv_vaeskf2_vi_tu:
  case RISCVVector::BI__builtin_rvv_vaeskf2_vi:
  case RISCVVector::BI__builtin_rvv_vsm4k_vi_tu: {
    QualType Arg0Type = TheCall->getArg(0)->getType();
    QualType Arg1Type = TheCall->getArg(1)->getType();
    return CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg0Type, 128) ||
           CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg1Type, 128) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 31);
  }
  case RISCVVector::BI__builtin_rvv_vsm3c_vi_tu:
  case RISCVVector::BI__builtin_rvv_vsm3c_vi: {
    QualType Arg0Type = TheCall->getArg(0)->getType();
    return CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg0Type, 256) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 31);
  }
  case RISCVVector::BI__builtin_rvv_vaeskf1_vi:
  case RISCVVector::BI__builtin_rvv_vsm4k_vi: {
    QualType Arg0Type = TheCall->getArg(0)->getType();
    return CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg0Type, 128) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31);
  }
  case RISCVVector::BI__builtin_rvv_vaesdf_vv:
  case RISCVVector::BI__builtin_rvv_vaesdf_vs:
  case RISCVVector::BI__builtin_rvv_vaesdm_vv:
  case RISCVVector::BI__builtin_rvv_vaesdm_vs:
  case RISCVVector::BI__builtin_rvv_vaesef_vv:
  case RISCVVector::BI__builtin_rvv_vaesef_vs:
  case RISCVVector::BI__builtin_rvv_vaesem_vv:
  case RISCVVector::BI__builtin_rvv_vaesem_vs:
  case RISCVVector::BI__builtin_rvv_vaesz_vs:
  case RISCVVector::BI__builtin_rvv_vsm4r_vv:
  case RISCVVector::BI__builtin_rvv_vsm4r_vs:
  case RISCVVector::BI__builtin_rvv_vaesdf_vv_tu:
  case RISCVVector::BI__builtin_rvv_vaesdf_vs_tu:
  case RISCVVector::BI__builtin_rvv_vaesdm_vv_tu:
  case RISCVVector::BI__builtin_rvv_vaesdm_vs_tu:
  case RISCVVector::BI__builtin_rvv_vaesef_vv_tu:
  case RISCVVector::BI__builtin_rvv_vaesef_vs_tu:
  case RISCVVector::BI__builtin_rvv_vaesem_vv_tu:
  case RISCVVector::BI__builtin_rvv_vaesem_vs_tu:
  case RISCVVector::BI__builtin_rvv_vaesz_vs_tu:
  case RISCVVector::BI__builtin_rvv_vsm4r_vv_tu:
  case RISCVVector::BI__builtin_rvv_vsm4r_vs_tu: {
    QualType Arg0Type = TheCall->getArg(0)->getType();
    QualType Arg1Type = TheCall->getArg(1)->getType();
    return CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg0Type, 128) ||
           CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg1Type, 128);
  }
  case RISCVVector::BI__builtin_rvv_vsha2ch_vv:
  case RISCVVector::BI__builtin_rvv_vsha2cl_vv:
  case RISCVVector::BI__builtin_rvv_vsha2ms_vv:
  case RISCVVector::BI__builtin_rvv_vsha2ch_vv_tu:
  case RISCVVector::BI__builtin_rvv_vsha2cl_vv_tu:
  case RISCVVector::BI__builtin_rvv_vsha2ms_vv_tu: {
    QualType Arg0Type = TheCall->getArg(0)->getType();
    QualType Arg1Type = TheCall->getArg(1)->getType();
    QualType Arg2Type = TheCall->getArg(2)->getType();
    ASTContext::BuiltinVectorTypeInfo Info =
        Context.getBuiltinVectorTypeInfo(Arg0Type->castAs<BuiltinType>());
    uint64_t ElemSize = Context.getTypeSize(Info.ElementType);
 
    return CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg0Type, ElemSize * 4) ||
           CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg1Type, ElemSize * 4) ||
           CheckInvalidVLENandLMUL(TI, FunctionFeatureMap, TheCall, SemaRef,
                                   Arg2Type, ElemSize * 4);
  }
 
  case RISCVVector::BI__builtin_rvv_sf_vc_i_se:
    // bit_27_26, bit_24_20, bit_11_7, simm5, sew, log2lmul
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 31) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 3, -16, 15) ||
           CheckLMUL(TheCall, 5);
  case RISCVVector::BI__builtin_rvv_sf_vc_iv_se:
    // bit_27_26, bit_11_7, vs2, simm5
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 3, -16, 15);
  case RISCVVector::BI__builtin_rvv_sf_vc_v_i:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_i_se:
    // bit_27_26, bit_24_20, simm5
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, -16, 15);
  case RISCVVector::BI__builtin_rvv_sf_vc_v_iv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_iv_se:
    // bit_27_26, vs2, simm5
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, -16, 15);
  case RISCVVector::BI__builtin_rvv_sf_vc_ivv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_ivw_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_ivv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_ivw:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_ivv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_ivw_se:
    // bit_27_26, vd, vs2, simm5
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 3, -16, 15);
  case RISCVVector::BI__builtin_rvv_sf_vc_x_se:
    // bit_27_26, bit_24_20, bit_11_7, xs1, sew, log2lmul
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 31) ||
           CheckLMUL(TheCall, 5);
  case RISCVVector::BI__builtin_rvv_sf_vc_xv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_vv_se:
    // bit_27_26, bit_11_7, vs2, xs1/vs1
  case RISCVVector::BI__builtin_rvv_sf_vc_v_x:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_x_se:
    // bit_27_26, bit_24-20, xs1
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31);
  case RISCVVector::BI__builtin_rvv_sf_vc_vvv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_xvv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_vvw_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_xvw_se:
    // bit_27_26, vd, vs2, xs1
  case RISCVVector::BI__builtin_rvv_sf_vc_v_xv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_vv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_xv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_vv_se:
    // bit_27_26, vs2, xs1/vs1
  case RISCVVector::BI__builtin_rvv_sf_vc_v_xvv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_vvv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_xvw:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_vvw:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_xvv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_vvv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_xvw_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_vvw_se:
    // bit_27_26, vd, vs2, xs1/vs1
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 3);
  case RISCVVector::BI__builtin_rvv_sf_vc_fv_se:
    // bit_26, bit_11_7, vs2, fs1
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 1) ||
           SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31);
  case RISCVVector::BI__builtin_rvv_sf_vc_fvv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_fvw_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_fvv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_fvw:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_fvv_se:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_fvw_se:
    // bit_26, vd, vs2, fs1
  case RISCVVector::BI__builtin_rvv_sf_vc_v_fv:
  case RISCVVector::BI__builtin_rvv_sf_vc_v_fv_se:
    // bit_26, vs2, fs1
    return SemaRef.BuiltinConstantArgRange(TheCall, 0, 0, 1);
  // Check if byteselect is in [0, 3]
  case RISCV::BI__builtin_riscv_aes32dsi:
  case RISCV::BI__builtin_riscv_aes32dsmi:
  case RISCV::BI__builtin_riscv_aes32esi:
  case RISCV::BI__builtin_riscv_aes32esmi:
  case RISCV::BI__builtin_riscv_sm4ks:
  case RISCV::BI__builtin_riscv_sm4ed:
    return SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 3);
  // Check the psati/pusati saturation width.
  case RISCV::BI__builtin_riscv_psati_i16x2:
  case RISCV::BI__builtin_riscv_psati_i16x4:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 1, 16);
  case RISCV::BI__builtin_riscv_psati_i32x2:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 1, 32);
  case RISCV::BI__builtin_riscv_pusati_u16x2:
  case RISCV::BI__builtin_riscv_pusati_u16x4:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 15);
  case RISCV::BI__builtin_riscv_pusati_u32x2:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 31);
  // Check if rnum is in [0, 10]
  case RISCV::BI__builtin_riscv_aes64ks1i:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 10);
  // Check if value range for vxrm is in [0, 3]
  case RISCVVector::BI__builtin_rvv_vaaddu_vv:
  case RISCVVector::BI__builtin_rvv_vaaddu_vx:
  case RISCVVector::BI__builtin_rvv_vaadd_vv:
  case RISCVVector::BI__builtin_rvv_vaadd_vx:
  case RISCVVector::BI__builtin_rvv_vasubu_vv:
  case RISCVVector::BI__builtin_rvv_vasubu_vx:
  case RISCVVector::BI__builtin_rvv_vasub_vv:
  case RISCVVector::BI__builtin_rvv_vasub_vx:
  case RISCVVector::BI__builtin_rvv_vsmul_vv:
  case RISCVVector::BI__builtin_rvv_vsmul_vx:
  case RISCVVector::BI__builtin_rvv_vssra_vv:
  case RISCVVector::BI__builtin_rvv_vssra_vx:
  case RISCVVector::BI__builtin_rvv_vssrl_vv:
  case RISCVVector::BI__builtin_rvv_vssrl_vx:
  case RISCVVector::BI__builtin_rvv_vnclip_wv:
  case RISCVVector::BI__builtin_rvv_vnclip_wx:
  case RISCVVector::BI__builtin_rvv_vnclipu_wv:
  case RISCVVector::BI__builtin_rvv_vnclipu_wx:
    return SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 3);
  case RISCVVector::BI__builtin_rvv_vaaddu_vv_tu:
  case RISCVVector::BI__builtin_rvv_vaaddu_vx_tu:
  case RISCVVector::BI__builtin_rvv_vaadd_vv_tu:
  case RISCVVector::BI__builtin_rvv_vaadd_vx_tu:
  case RISCVVector::BI__builtin_rvv_vasubu_vv_tu:
  case RISCVVector::BI__builtin_rvv_vasubu_vx_tu:
  case RISCVVector::BI__builtin_rvv_vasub_vv_tu:
  case RISCVVector::BI__builtin_rvv_vasub_vx_tu:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_tu:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_tu:
  case RISCVVector::BI__builtin_rvv_vssra_vv_tu:
  case RISCVVector::BI__builtin_rvv_vssra_vx_tu:
  case RISCVVector::BI__builtin_rvv_vssrl_vv_tu:
  case RISCVVector::BI__builtin_rvv_vssrl_vx_tu:
  case RISCVVector::BI__builtin_rvv_vnclip_wv_tu:
  case RISCVVector::BI__builtin_rvv_vnclip_wx_tu:
  case RISCVVector::BI__builtin_rvv_vnclipu_wv_tu:
  case RISCVVector::BI__builtin_rvv_vnclipu_wx_tu:
  case RISCVVector::BI__builtin_rvv_vaaddu_vv_m:
  case RISCVVector::BI__builtin_rvv_vaaddu_vx_m:
  case RISCVVector::BI__builtin_rvv_vaadd_vv_m:
  case RISCVVector::BI__builtin_rvv_vaadd_vx_m:
  case RISCVVector::BI__builtin_rvv_vasubu_vv_m:
  case RISCVVector::BI__builtin_rvv_vasubu_vx_m:
  case RISCVVector::BI__builtin_rvv_vasub_vv_m:
  case RISCVVector::BI__builtin_rvv_vasub_vx_m:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_m:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_m:
  case RISCVVector::BI__builtin_rvv_vssra_vv_m:
  case RISCVVector::BI__builtin_rvv_vssra_vx_m:
  case RISCVVector::BI__builtin_rvv_vssrl_vv_m:
  case RISCVVector::BI__builtin_rvv_vssrl_vx_m:
  case RISCVVector::BI__builtin_rvv_vnclip_wv_m:
  case RISCVVector::BI__builtin_rvv_vnclip_wx_m:
  case RISCVVector::BI__builtin_rvv_vnclipu_wv_m:
  case RISCVVector::BI__builtin_rvv_vnclipu_wx_m:
    return SemaRef.BuiltinConstantArgRange(TheCall, 3, 0, 3);
  case RISCVVector::BI__builtin_rvv_vaaddu_vv_tum:
  case RISCVVector::BI__builtin_rvv_vaaddu_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vaaddu_vv_mu:
  case RISCVVector::BI__builtin_rvv_vaaddu_vx_tum:
  case RISCVVector::BI__builtin_rvv_vaaddu_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vaaddu_vx_mu:
  case RISCVVector::BI__builtin_rvv_vaadd_vv_tum:
  case RISCVVector::BI__builtin_rvv_vaadd_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vaadd_vv_mu:
  case RISCVVector::BI__builtin_rvv_vaadd_vx_tum:
  case RISCVVector::BI__builtin_rvv_vaadd_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vaadd_vx_mu:
  case RISCVVector::BI__builtin_rvv_vasubu_vv_tum:
  case RISCVVector::BI__builtin_rvv_vasubu_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vasubu_vv_mu:
  case RISCVVector::BI__builtin_rvv_vasubu_vx_tum:
  case RISCVVector::BI__builtin_rvv_vasubu_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vasubu_vx_mu:
  case RISCVVector::BI__builtin_rvv_vasub_vv_tum:
  case RISCVVector::BI__builtin_rvv_vasub_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vasub_vv_mu:
  case RISCVVector::BI__builtin_rvv_vasub_vx_tum:
  case RISCVVector::BI__builtin_rvv_vasub_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vasub_vx_mu:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_mu:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_mu:
  case RISCVVector::BI__builtin_rvv_vssra_vv_mu:
  case RISCVVector::BI__builtin_rvv_vssra_vx_mu:
  case RISCVVector::BI__builtin_rvv_vssrl_vv_mu:
  case RISCVVector::BI__builtin_rvv_vssrl_vx_mu:
  case RISCVVector::BI__builtin_rvv_vnclip_wv_mu:
  case RISCVVector::BI__builtin_rvv_vnclip_wx_mu:
  case RISCVVector::BI__builtin_rvv_vnclipu_wv_mu:
  case RISCVVector::BI__builtin_rvv_vnclipu_wx_mu:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_tum:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_tum:
  case RISCVVector::BI__builtin_rvv_vssra_vv_tum:
  case RISCVVector::BI__builtin_rvv_vssra_vx_tum:
  case RISCVVector::BI__builtin_rvv_vssrl_vv_tum:
  case RISCVVector::BI__builtin_rvv_vssrl_vx_tum:
  case RISCVVector::BI__builtin_rvv_vnclip_wv_tum:
  case RISCVVector::BI__builtin_rvv_vnclip_wx_tum:
  case RISCVVector::BI__builtin_rvv_vnclipu_wv_tum:
  case RISCVVector::BI__builtin_rvv_vnclipu_wx_tum:
  case RISCVVector::BI__builtin_rvv_vsmul_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vsmul_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vssra_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vssra_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vssrl_vv_tumu:
  case RISCVVector::BI__builtin_rvv_vssrl_vx_tumu:
  case RISCVVector::BI__builtin_rvv_vnclip_wv_tumu:
  case RISCVVector::BI__builtin_rvv_vnclip_wx_tumu:
  case RISCVVector::BI__builtin_rvv_vnclipu_wv_tumu:
  case RISCVVector::BI__builtin_rvv_vnclipu_wx_tumu:
    return SemaRef.BuiltinConstantArgRange(TheCall, 4, 0, 3);
  case RISCVVector::BI__builtin_rvv_vfsqrt_v_rm:
  case RISCVVector::BI__builtin_rvv_vfrec7_v_rm:
  case RISCVVector::BI__builtin_rvv_vfcvt_x_f_v_rm:
  case RISCVVector::BI__builtin_rvv_vfcvt_xu_f_v_rm:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_x_v_rm:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_xu_v_rm:
  case RISCVVector::BI__builtin_rvv_vfwcvt_x_f_v_rm:
  case RISCVVector::BI__builtin_rvv_vfwcvt_xu_f_v_rm:
  case RISCVVector::BI__builtin_rvv_vfncvt_x_f_w_rm:
  case RISCVVector::BI__builtin_rvv_vfncvt_xu_f_w_rm:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_x_w_rm:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_xu_w_rm:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_f_w_rm:
  case RISCVVector::BI__builtin_rvv_vfncvtbf16_f_f_w_rm:
    return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 4);
  case RISCVVector::BI__builtin_rvv_vfadd_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfadd_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfsub_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfsub_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfrsub_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwadd_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwadd_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwsub_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwsub_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwadd_wv_rm:
  case RISCVVector::BI__builtin_rvv_vfwadd_wf_rm:
  case RISCVVector::BI__builtin_rvv_vfwsub_wv_rm:
  case RISCVVector::BI__builtin_rvv_vfwsub_wf_rm:
  case RISCVVector::BI__builtin_rvv_vfmul_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfmul_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfdiv_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfdiv_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfrdiv_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwmul_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwmul_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfredosum_vs_rm:
  case RISCVVector::BI__builtin_rvv_vfredusum_vs_rm:
  case RISCVVector::BI__builtin_rvv_vfwredosum_vs_rm:
  case RISCVVector::BI__builtin_rvv_vfwredusum_vs_rm:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_x_f_qf_rm:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_xu_f_qf_rm:
  case RISCVVector::BI__builtin_rvv_vfsqrt_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfrec7_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfcvt_x_f_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfcvt_xu_f_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_x_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_xu_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwcvt_x_f_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwcvt_xu_f_v_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfncvt_x_f_w_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfncvt_xu_f_w_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_x_w_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_xu_w_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_f_w_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfncvtbf16_f_f_w_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfsqrt_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfrec7_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfcvt_x_f_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfcvt_xu_f_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_x_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_xu_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwcvt_x_f_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwcvt_xu_f_v_rm_m:
  case RISCVVector::BI__builtin_rvv_vfncvt_x_f_w_rm_m:
  case RISCVVector::BI__builtin_rvv_vfncvt_xu_f_w_rm_m:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_x_w_rm_m:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_xu_w_rm_m:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_f_w_rm_m:
  case RISCVVector::BI__builtin_rvv_vfncvtbf16_f_f_w_rm_m:
    return SemaRef.BuiltinConstantArgRange(TheCall, 2, 0, 4);
  case RISCVVector::BI__builtin_rvv_vfadd_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfadd_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfsub_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfsub_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfrsub_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwadd_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwadd_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwsub_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwsub_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwadd_wv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwadd_wf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwsub_wv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwsub_wf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmul_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmul_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfdiv_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfdiv_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfrdiv_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmul_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmul_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfredosum_vs_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfredusum_vs_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwredosum_vs_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwredusum_vs_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmacc_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfmacc_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfmsac_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfmsac_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfmadd_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfmadd_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfmsub_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfmsub_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vv_rm:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vf_rm:
  case RISCVVector::BI__builtin_rvv_vfmacc_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmacc_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmsac_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmsac_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmadd_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmadd_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmsub_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfmsub_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vv_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vf_rm_tu:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_x_f_qf_rm_tu:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_xu_f_qf_rm_tu:
  case RISCVVector::BI__builtin_rvv_vfadd_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfadd_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfsub_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfsub_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfrsub_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwadd_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwadd_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwsub_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwsub_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwadd_wv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwadd_wf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwsub_wv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwsub_wf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmul_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmul_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfdiv_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfdiv_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfrdiv_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmul_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmul_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfredosum_vs_rm_m:
  case RISCVVector::BI__builtin_rvv_vfredusum_vs_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwredosum_vs_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwredusum_vs_rm_m:
  case RISCVVector::BI__builtin_rvv_vfsqrt_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfrec7_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfcvt_x_f_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfcvt_xu_f_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_x_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_xu_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwcvt_x_f_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwcvt_xu_f_v_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfncvt_x_f_w_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfncvt_xu_f_w_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_x_w_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_xu_w_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_f_w_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfncvtbf16_f_f_w_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfsqrt_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfrec7_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfcvt_x_f_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfcvt_xu_f_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_x_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_xu_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwcvt_x_f_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwcvt_xu_f_v_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfncvt_x_f_w_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfncvt_xu_f_w_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_x_w_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_xu_w_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_f_w_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfncvtbf16_f_f_w_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfsqrt_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfrec7_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfcvt_x_f_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfcvt_xu_f_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_x_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfcvt_f_xu_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwcvt_x_f_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwcvt_xu_f_v_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfncvt_x_f_w_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfncvt_xu_f_w_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_x_w_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_xu_w_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfncvt_f_f_w_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfncvtbf16_f_f_w_rm_mu:
    return SemaRef.BuiltinConstantArgRange(TheCall, 3, 0, 4);
  case RISCVVector::BI__builtin_rvv_vfmacc_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmacc_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmsac_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmsac_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmadd_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmadd_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmsub_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfmsub_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vv_rm_m:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vf_rm_m:
  case RISCVVector::BI__builtin_rvv_vfadd_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfadd_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfsub_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfsub_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfrsub_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwadd_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwadd_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwsub_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwsub_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwadd_wv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwadd_wf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwsub_wv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwsub_wf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmul_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmul_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfdiv_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfdiv_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfrdiv_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmul_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmul_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmacc_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmacc_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmsac_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmsac_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmadd_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmadd_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmsub_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfmsub_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vv_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfredosum_vs_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfredusum_vs_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwredosum_vs_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfwredusum_vs_rm_tum:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_x_f_qf_rm_tum:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_xu_f_qf_rm_tum:
  case RISCVVector::BI__builtin_rvv_vfadd_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfadd_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfsub_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfsub_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfrsub_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwadd_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwadd_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwsub_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwsub_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwadd_wv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwadd_wf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwsub_wv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwsub_wf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmul_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmul_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfdiv_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfdiv_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfrdiv_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmul_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmul_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmacc_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmacc_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmsac_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmsac_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmadd_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmadd_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmsub_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfmsub_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vv_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_x_f_qf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_xu_f_qf_rm_tumu:
  case RISCVVector::BI__builtin_rvv_vfadd_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfadd_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfsub_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfsub_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfrsub_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwadd_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwadd_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwsub_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwsub_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwadd_wv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwadd_wf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwsub_wv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwsub_wf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmul_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmul_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfdiv_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfdiv_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfrdiv_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmul_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmul_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmacc_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmacc_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmacc_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmsac_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmsac_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmsac_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmadd_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmadd_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmadd_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmsub_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfmsub_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfnmsub_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmacc_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwnmacc_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmsac_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwnmsac_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vv_rm_mu:
  case RISCVVector::BI__builtin_rvv_vfwmaccbf16_vf_rm_mu:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_x_f_qf_rm_mu:
  case RISCVVector::BI__builtin_rvv_sf_vfnrclip_xu_f_qf_rm_mu:
    return SemaRef.BuiltinConstantArgRange(TheCall, 4, 0, 4);
  case RISCV::BI__builtin_riscv_ntl_load:
  case RISCV::BI__builtin_riscv_ntl_store:
    DeclRefExpr *DRE =
        cast<DeclRefExpr>(TheCall->getCallee()->IgnoreParenCasts());
    assert((BuiltinID == RISCV::BI__builtin_riscv_ntl_store ||
            BuiltinID == RISCV::BI__builtin_riscv_ntl_load) &&
           "Unexpected RISC-V nontemporal load/store builtin!");
    bool IsStore = BuiltinID == RISCV::BI__builtin_riscv_ntl_store;
    unsigned NumArgs = IsStore ? 3 : 2;
 
    if (SemaRef.checkArgCountAtLeast(TheCall, NumArgs - 1))
      return true;
 
    if (SemaRef.checkArgCountAtMost(TheCall, NumArgs))
      return true;
 
    // Domain value should be compile-time constant.
    // 2 <= domain <= 5
    if (TheCall->getNumArgs() == NumArgs &&
        SemaRef.BuiltinConstantArgRange(TheCall, NumArgs - 1, 2, 5))
      return true;
 
    Expr *PointerArg = TheCall->getArg(0);
    ExprResult PointerArgResult =
        SemaRef.DefaultFunctionArrayLvalueConversion(PointerArg);
 
    if (PointerArgResult.isInvalid())
      return true;
    PointerArg = PointerArgResult.get();
 
    const PointerType *PtrType = PointerArg->getType()->getAs<PointerType>();
    if (!PtrType) {
      Diag(DRE->getBeginLoc(), diag::err_nontemporal_builtin_must_be_pointer)
          << PointerArg->getType() << PointerArg->getSourceRange();
      return true;
    }
 
    QualType ValType = PtrType->getPointeeType();
    ValType = ValType.getUnqualifiedType();
    if (!ValType->isIntegerType() && !ValType->isAnyPointerType() &&
        !ValType->isBlockPointerType() && !ValType->isFloatingType() &&
        !ValType->isVectorType() && !ValType->isRVVSizelessBuiltinType()) {
      Diag(DRE->getBeginLoc(),
           diag::err_nontemporal_builtin_must_be_pointer_intfltptr_or_vector)
          << PointerArg->getType() << PointerArg->getSourceRange();
      return true;
    }
 
    if (!IsStore) {
      TheCall->setType(ValType);
      return false;
    }
 
    ExprResult ValArg = TheCall->getArg(1);
    InitializedEntity Entity = InitializedEntity::InitializeParameter(
        Context, ValType, /*consume*/ false);
    ValArg =
        SemaRef.PerformCopyInitialization(Entity, SourceLocation(), ValArg);
    if (ValArg.isInvalid())
      return true;
 
    TheCall->setArg(1, ValArg.get());
    TheCall->setType(Context.VoidTy);
    return false;
  }
 
  return false;
}
 
void SemaRISCV::checkRVVTypeSupport(QualType Ty, SourceLocation Loc, Decl *D,
                                    const llvm::StringMap<bool> &FeatureMap) {
  const BuiltinType *BT = Ty->castAs<BuiltinType>();
  ASTContext::BuiltinVectorTypeInfo Info =
      SemaRef.Context.getBuiltinVectorTypeInfo(BT);
  unsigned EltSize = SemaRef.Context.getTypeSize(Info.ElementType);
  unsigned MinElts = Info.EC.getKnownMinValue();
 
  auto IsOFP8Type = [](const BuiltinType *BT) {
    switch (BT->getKind()) {
#define RVV_VECTOR_TYPE_OFP8(Name, Id, SingletonId, NumEls, E5m2)              \
  case BuiltinType::Id:
#include "clang/Basic/RISCVVTypes.def"
      return true;
    default:
      return false;
    }
  };
 
  if (Info.ElementType->isSpecificBuiltinType(BuiltinType::Double) &&
      !FeatureMap.lookup("zve64d"))
    Diag(Loc, diag::err_riscv_type_requires_extension) << Ty << "zve64d";
  // (ELEN, LMUL) pairs of (8, mf8), (16, mf4), (32, mf2), (64, m1) requires at
  // least zve64x
  else if (((EltSize == 64 && Info.ElementType->isIntegerType()) ||
            MinElts == 1) &&
           !FeatureMap.lookup("zve64x"))
    Diag(Loc, diag::err_riscv_type_requires_extension) << Ty << "zve64x";
  else if (Info.ElementType->isFloat16Type() && !FeatureMap.lookup("zvfhmin") &&
           !FeatureMap.lookup("xandesvpackfph"))
    if (DeclareAndesVectorBuiltins) {
      Diag(Loc, diag::err_riscv_type_requires_extension)
          << Ty << "zvfh, zvfhmin or xandesvpackfph";
    } else {
      Diag(Loc, diag::err_riscv_type_requires_extension)
          << Ty << "zvfh or zvfhmin";
    }
  else if (Info.ElementType->isBFloat16Type() &&
           !FeatureMap.lookup("zvfbfmin") &&
           !FeatureMap.lookup("xandesvbfhcvt") &&
           !FeatureMap.lookup("experimental-zvfbfa"))
    if (DeclareAndesVectorBuiltins) {
      Diag(Loc, diag::err_riscv_type_requires_extension)
          << Ty << "zvfbfmin or xandesvbfhcvt";
    } else {
      Diag(Loc, diag::err_riscv_type_requires_extension) << Ty << "zvfbfmin";
    }
  else if (Info.ElementType->isSpecificBuiltinType(BuiltinType::Float) &&
           !FeatureMap.lookup("zve32f"))
    Diag(Loc, diag::err_riscv_type_requires_extension) << Ty << "zve32f";
  // Given that caller already checked isRVVType() before calling this function,
  // if we don't have at least zve32x supported, then we need to emit error.
  else if (!FeatureMap.lookup("zve32x"))
    Diag(Loc, diag::err_riscv_type_requires_extension) << Ty << "zve32x";
  else if (IsOFP8Type(BT) && !FeatureMap.lookup("experimental-zvfofp8min"))
    Diag(Loc, diag::err_riscv_type_requires_extension) << Ty << "zvfofp8min";
}
 
/// Are the two types RVV-bitcast-compatible types? I.e. is bitcasting from the
/// first RVV type (e.g. an RVV scalable type) to the second type (e.g. an RVV
/// VLS type) allowed?
///
/// This will also return false if the two given types do not make sense from
/// the perspective of RVV bitcasts.
bool SemaRISCV::isValidRVVBitcast(QualType srcTy, QualType destTy) {
  assert(srcTy->isVectorType() || destTy->isVectorType());
 
  auto ValidScalableConversion = [](QualType FirstType, QualType SecondType) {
    if (!FirstType->isRVVSizelessBuiltinType())
      return false;
 
    const auto *VecTy = SecondType->getAs<VectorType>();
    return VecTy && VecTy->getVectorKind() == VectorKind::RVVFixedLengthData;
  };
 
  return ValidScalableConversion(srcTy, destTy) ||
         ValidScalableConversion(destTy, srcTy);
}
 
void SemaRISCV::handleInterruptAttr(Decl *D, const ParsedAttr &AL) {
  // Warn about repeated attributes.
  if (const auto *A = D->getAttr<RISCVInterruptAttr>()) {
    Diag(AL.getRange().getBegin(),
         diag::warn_riscv_repeated_interrupt_attribute);
    Diag(A->getLocation(), diag::note_riscv_repeated_interrupt_attribute);
    return;
  }
 
  // Semantic checks for a function with the 'interrupt' attribute:
  // - Must be a function.
  // - Must have no parameters.
  // - Must have the 'void' return type.
  // - The attribute itself must have at most 3 arguments
  // - The attribute arguments must be string literals, and valid choices.
  // - The attribute arguments must be a valid combination
  // - The current target must support the right extensions for the combination.
 
  if (D->getFunctionType() == nullptr) {
    Diag(D->getLocation(), diag::warn_attribute_wrong_decl_type)
        << AL << AL.isRegularKeywordAttribute() << ExpectedFunction;
    return;
  }
 
  if (hasFunctionProto(D) && getFunctionOrMethodNumParams(D) != 0) {
    Diag(D->getLocation(), diag::warn_interrupt_signal_attribute_invalid)
        << /*RISC-V*/ 2 << /*interrupt*/ 0 << 0;
    return;
  }
 
  if (!getFunctionOrMethodResultType(D)->isVoidType()) {
    Diag(D->getLocation(), diag::warn_interrupt_signal_attribute_invalid)
        << /*RISC-V*/ 2 << /*interrupt*/ 0 << 1;
    return;
  }
 
  if (!AL.checkAtMostNumArgs(SemaRef, 3))
    return;
 
  bool HasSiFiveCLICType = false;
  bool HasUnaryType = false;
  bool ReportedDuplicateType = false;
 
  SmallSet<RISCVInterruptAttr::InterruptType, 3> Types;
  for (unsigned ArgIndex = 0; ArgIndex < AL.getNumArgs(); ++ArgIndex) {
    RISCVInterruptAttr::InterruptType Type;
    StringRef TypeString;
    SourceLocation Loc;
 
    if (!SemaRef.checkStringLiteralArgumentAttr(AL, ArgIndex, TypeString, &Loc))
      return;
 
    if (!RISCVInterruptAttr::ConvertStrToInterruptType(TypeString, Type)) {
      std::string TypeLiteral = ("\"" + TypeString + "\"").str();
      Diag(AL.getLoc(), diag::warn_attribute_type_not_supported)
          << AL << TypeLiteral << Loc;
      return;
    }
 
    switch (Type) {
    case RISCVInterruptAttr::machine:
      // "machine" could be combined with the SiFive CLIC types, or could be
      // just "machine".
      break;
    case RISCVInterruptAttr::SiFiveCLICPreemptible:
    case RISCVInterruptAttr::SiFiveCLICStackSwap:
      // SiFive-CLIC types can be combined with each other and "machine"
      HasSiFiveCLICType = true;
      break;
    case RISCVInterruptAttr::supervisor:
    case RISCVInterruptAttr::rnmi:
    case RISCVInterruptAttr::qcinest:
    case RISCVInterruptAttr::qcinonest:
      // "supervisor", "rnmi" and "qci-(no)nest" cannot be combined with any
      // other types
      HasUnaryType = true;
      break;
    }
 
    if (!Types.insert(Type).second && !ReportedDuplicateType) {
      Diag(Loc, diag::warn_riscv_attribute_interrupt_duplicate_type)
          << TypeString;
      ReportedDuplicateType = true;
    }
  }
 
  if (HasUnaryType && Types.size() > 1) {
    Diag(AL.getLoc(), diag::err_riscv_attribute_interrupt_invalid_combination);
    return;
  }
 
  if (HasUnaryType && HasSiFiveCLICType) {
    Diag(AL.getLoc(), diag::err_riscv_attribute_interrupt_invalid_combination);
    return;
  }
 
  // "machine" is the default, if nothing is specified.
  if (AL.getNumArgs() == 0)
    Types.insert(RISCVInterruptAttr::machine);
 
  const TargetInfo &TI = getASTContext().getTargetInfo();
  llvm::StringMap<bool> FunctionFeatureMap;
  getASTContext().getFunctionFeatureMap(FunctionFeatureMap,
                                        dyn_cast<FunctionDecl>(D));
 
  auto HasFeature = [&](StringRef FeatureName) -> bool {
    return TI.hasFeature(FeatureName) || FunctionFeatureMap.lookup(FeatureName);
  };
 
  for (RISCVInterruptAttr::InterruptType Type : Types) {
    switch (Type) {
    // The QCI interrupt types require Xqciint
    case RISCVInterruptAttr::qcinest:
    case RISCVInterruptAttr::qcinonest: {
      if (!HasFeature("xqciint")) {
        Diag(AL.getLoc(),
             diag::err_riscv_attribute_interrupt_requires_extension)
            << RISCVInterruptAttr::ConvertInterruptTypeToStr(Type) << "Xqciint";
        return;
      }
    } break;
    // The SiFive CLIC interrupt types require Xsfmclic
    case RISCVInterruptAttr::SiFiveCLICPreemptible:
    case RISCVInterruptAttr::SiFiveCLICStackSwap: {
      if (!HasFeature("experimental-xsfmclic")) {
        Diag(AL.getLoc(),
             diag::err_riscv_attribute_interrupt_requires_extension)
            << RISCVInterruptAttr::ConvertInterruptTypeToStr(Type)
            << "XSfmclic";
        return;
      }
    } break;
    case RISCVInterruptAttr::rnmi: {
      if (!HasFeature("smrnmi")) {
        Diag(AL.getLoc(),
             diag::err_riscv_attribute_interrupt_requires_extension)
            << RISCVInterruptAttr::ConvertInterruptTypeToStr(Type) << "Smrnmi";
        return;
      }
    } break;
    default:
      break;
    }
  }
 
  SmallVector<RISCVInterruptAttr::InterruptType, 3> TypesVec(Types.begin(),
                                                             Types.end());
 
  D->addAttr(::new (getASTContext()) RISCVInterruptAttr(
      getASTContext(), AL, TypesVec.data(), TypesVec.size()));
}
 
bool SemaRISCV::isAliasValid(unsigned BuiltinID, StringRef AliasName) {
  return BuiltinID >= RISCV::FirstRVVBuiltin &&
         BuiltinID <= RISCV::LastRVVBuiltin;
}
 
bool SemaRISCV::isValidFMVExtension(StringRef Ext) {
  if (Ext.empty())
    return false;
 
  if (!Ext.consume_front("+"))
    return false;
 
  return -1 != RISCVISAInfo::getRISCVFeaturesBitsInfo(Ext).second;
}
 
bool SemaRISCV::checkTargetVersionAttr(const StringRef Param,
                                       const SourceLocation Loc,
                                       SmallString<64> &NewParam) {
  using namespace DiagAttrParams;
 
  llvm::SmallVector<StringRef, 8> AttrStrs;
  Param.split(AttrStrs, ';');
 
  bool HasArch = false;
  bool HasPriority = false;
  bool HasDefault = false;
  bool DuplicateAttr = false;
  for (StringRef AttrStr : AttrStrs) {
    AttrStr = AttrStr.trim();
    // Only support arch=+ext,... syntax.
    if (AttrStr.starts_with("arch=+")) {
      DuplicateAttr = HasArch;
      HasArch = true;
      ParsedTargetAttr TargetAttr =
          getASTContext().getTargetInfo().parseTargetAttr(AttrStr);
 
      if (TargetAttr.Features.empty() ||
          llvm::any_of(TargetAttr.Features, [&](const StringRef Ext) {
            return !isValidFMVExtension(Ext);
          }))
        return Diag(Loc, diag::warn_unsupported_target_attribute)
               << Unsupported << None << AttrStr << TargetVersion;
    } else if (AttrStr == "default") {
      DuplicateAttr = HasDefault;
      HasDefault = true;
    } else if (AttrStr.consume_front("priority=")) {
      DuplicateAttr = HasPriority;
      HasPriority = true;
      unsigned Digit;
      if (AttrStr.getAsInteger(0, Digit))
        return Diag(Loc, diag::warn_unsupported_target_attribute)
               << Unsupported << None << AttrStr << TargetVersion;
    } else {
      return Diag(Loc, diag::warn_unsupported_target_attribute)
             << Unsupported << None << AttrStr << TargetVersion;
    }
  }
 
  if (((HasPriority || HasArch) && HasDefault) || DuplicateAttr ||
      (HasPriority && !HasArch))
    return Diag(Loc, diag::warn_unsupported_target_attribute)
           << Unsupported << None << Param << TargetVersion;
 
  NewParam = Param;
  return false;
}
 
bool SemaRISCV::checkTargetClonesAttr(
    const SmallVectorImpl<StringRef> &Params,
    const SmallVectorImpl<SourceLocation> &Locs,
    SmallVectorImpl<SmallString<64>> &NewParams, SourceLocation AttrLoc) {
  using namespace DiagAttrParams;
 
  assert(Params.size() == Locs.size() &&
         "Mismatch between number of string parameters and locations");
 
  bool HasDefault = false;
  for (unsigned I = 0, E = Params.size(); I < E; ++I) {
    const StringRef Param = Params[I].trim();
    const SourceLocation &Loc = Locs[I];
 
    llvm::SmallVector<StringRef, 8> AttrStrs;
    Param.split(AttrStrs, ';');
 
    bool IsPriority = false;
    bool IsDefault = false;
    for (StringRef AttrStr : AttrStrs) {
      AttrStr = AttrStr.trim();
      // Only support arch=+ext,... syntax.
      if (AttrStr.starts_with("arch=+")) {
        ParsedTargetAttr TargetAttr =
            getASTContext().getTargetInfo().parseTargetAttr(AttrStr);
 
        if (TargetAttr.Features.empty() ||
            llvm::any_of(TargetAttr.Features, [&](const StringRef Ext) {
              return !isValidFMVExtension(Ext);
            }))
          return Diag(Loc, diag::warn_unsupported_target_attribute)
                 << Unsupported << None << Param << TargetClones;
      } else if (AttrStr == "default") {
        IsDefault = true;
        HasDefault = true;
      } else if (AttrStr.consume_front("priority=")) {
        IsPriority = true;
        unsigned Digit;
        if (AttrStr.getAsInteger(0, Digit))
          return Diag(Loc, diag::warn_unsupported_target_attribute)
                 << Unsupported << None << Param << TargetClones;
      } else {
        return Diag(Loc, diag::warn_unsupported_target_attribute)
               << Unsupported << None << Param << TargetClones;
      }
    }
 
    if (IsPriority && IsDefault)
      return Diag(Loc, diag::warn_unsupported_target_attribute)
             << Unsupported << None << Param << TargetClones;
 
    if (llvm::is_contained(NewParams, Param))
      Diag(Loc, diag::warn_target_clone_duplicate_options);
    NewParams.push_back(Param);
  }
  if (!HasDefault)
    return Diag(AttrLoc, diag::err_target_clone_must_have_default);
 
  return false;
}
 
SemaRISCV::SemaRISCV(Sema &S) : SemaBase(S) {}
 
} // namespace clang