[RISCV] Move instruction information into the namespace RISCVII (NFC)

[evandro]

Summary

Move instruction attributes into the RISCVII namespace and add associated helper functions.

[craig.topper]

llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h

144

Why is static on a different line? Did clang-format do that?

[evandro]

llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h

144

No, not clang-format, but I did. I've seen it before though.

[craig.topper]

LGTM

llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp

if (Name == "ma")
       MaskAgnostic = true;
     else if (Name == "mu")
       MaskAgnostic = false;
     else
       goto MatchFail;
 
     unsigned SewLog2 = Log2_32(Sew / 8);
     unsigned LmulLog2 = Log2_32(Lmul);
-    RISCVVSEW VSEW = static_cast<RISCVVSEW>(SewLog2);
-    RISCVVLMUL VLMUL =
-        static_cast<RISCVVLMUL>(Fractional ? 8 - LmulLog2 : LmulLog2);
+    RISCVII::VSEW VSEW = static_cast<RISCVII::VSEW>(SewLog2);
+    RISCVII::VLMUL VLMUL =
+        static_cast<RISCVII::VLMUL>(Fractional ? 8 - LmulLog2 : LmulLog2);
 
     unsigned VTypeI =
         RISCVVType::encodeVTYPE(VLMUL, VSEW, TailAgnostic, MaskAgnostic);
     Operands.push_back(RISCVOperand::createVType(VTypeI, S, isRV64()));
     return MatchOperand_Success;
   }
 
 // If NoMatch, unlex all the tokens that comprise a vtypei operand
if (Inst.getOpcode() == RISCV::PseudoVMSGEU_VX_M_T ||
     if (DestReg == TempReg) {
       SMLoc Loc = Operands.back()->getStartLoc();
       return Error(Loc, "The temporary vector register cannot be the same as "
                         "the destination register.");
     }
   }
 
   const MCInstrDesc &MCID = MII.get(Inst.getOpcode());
-  unsigned Constraints =
-      (MCID.TSFlags & RISCVII::ConstraintMask) >> RISCVII::ConstraintShift;
+  RISCVII::VConstraintType Constraints =
+      RISCVII::getConstraint(MCID.TSFlags);
   if (Constraints == RISCVII::NoConstraint)
     return false;
 
   unsigned DestReg = Inst.getOperand(0).getReg();
   // Operands[1] will be the first operand, DestReg.
   SMLoc Loc = Operands[1]->getStartLoc();
   if (Constraints & RISCVII::VS2Constraint) {
     unsigned CheckReg = Inst.getOperand(1).getReg();

llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h

enum {
   InstFormatCL = 12,
   InstFormatCS = 13,
   InstFormatCA = 14,
   InstFormatCB = 15,
   InstFormatCJ = 16,
   InstFormatOther = 17,
 
   InstFormatMask = 31,
+  InstFormatShift = 0,
 
-  ConstraintShift = 5,
+  ConstraintShift = InstFormatShift + 5,
   ConstraintMask = 0b111 << ConstraintShift,
 
   VLMulShift = ConstraintShift + 3,
   VLMulMask = 0b111 << VLMulShift,
 
   // Do we need to add a dummy mask op when converting RVV Pseudo to MCInst.
   HasDummyMaskOpShift = VLMulShift + 3,
   HasDummyMaskOpMask = 1 << HasDummyMaskOpShift,
enum {
 
   // Does this instruction have a VL operand. It will be the second to last
   // explicit operand. Used by RVV Pseudos.
   HasVLOpShift = HasSEWOpShift + 1,
   HasVLOpMask = 1 << HasVLOpShift,
 };
 
 // Match with the definitions in RISCVInstrFormatsV.td
-enum RVVConstraintType {
+enum VConstraintType {
   NoConstraint = 0,
   VS2Constraint = 0b001,
   VS1Constraint = 0b010,
   VMConstraint = 0b100,
 };
 
+enum VSEW {
+  SEW_8 = 0,
+  SEW_16,
+  SEW_32,
+  SEW_64,
+  SEW_128,
+  SEW_256,
+  SEW_512,
+  SEW_1024,
+};
+
+enum VLMUL {
+  LMUL_1 = 0,
+  LMUL_2,
+  LMUL_4,
+  LMUL_8,
+  LMUL_RESERVED,
+  LMUL_F8,
+  LMUL_F4,
+  LMUL_F2
+};
+
+// Helper functions to read TSFlags.
+/// \returns the format of the instruction.
+static
+inline unsigned getFormat(uint64_t TSFlags) {
+  return (TSFlags & InstFormatMask) >> InstFormatShift;
+}
+/// \returns the constraint for the instruction.
+static
+inline VConstraintType getConstraint(uint64_t TSFlags) {
+  return static_cast<VConstraintType>
+             ((TSFlags & ConstraintMask) >> ConstraintShift);
+}
+/// \returns the LMUL for the instruction.
+static
+inline VLMUL getLMul(uint64_t TSFlags) {
+  return static_cast<VLMUL>((TSFlags & VLMulMask) >> VLMulShift);
+}
+/// \returns true if there is a dummy mask operand for the instruction.
+static
+inline bool hasDummyMaskOp(uint64_t TSFlags) {
+  return TSFlags & HasDummyMaskOpMask;
+}
+/// \returns true if tail agnostic is enforced for the instruction.
+static
+inline bool doesForceTailAgnostic(uint64_t TSFlags) {
+  return TSFlags & ForceTailAgnosticMask;
+}
+/// \returns true if there is a merge operand for the instruction.
+static
+inline bool hasMergeOp(uint64_t TSFlags) {
+  return TSFlags & HasMergeOpMask;
+}
+/// \returns true if there is a SEW operand for the instruction.
+static
+inline bool hasSEWOp(uint64_t TSFlags) {
+  return TSFlags & HasSEWOpMask;
+}
+/// \returns true if there is a VL operand for the instruction.
+static
+inline bool hasVLOp(uint64_t TSFlags) {
+  return TSFlags & HasVLOpMask;
+}
+
 // RISC-V Specific Machine Operand Flags
 enum {
   MO_None = 0,
   MO_CALL = 1,
   MO_PLT = 2,
   MO_LO = 3,
   MO_HI = 4,
   MO_PCREL_LO = 5,

 namespace RISCVFeatures {
 
 // Validates if the given combination of features are valid for the target
 // triple. Exits with report_fatal_error if not.
 void validate(const Triple &TT, const FeatureBitset &FeatureBits);
 
 } // namespace RISCVFeatures
 
-enum class RISCVVSEW {
-  SEW_8 = 0,
-  SEW_16,
-  SEW_32,
-  SEW_64,
-  SEW_128,
-  SEW_256,
-  SEW_512,
-  SEW_1024,
-};
-
-enum class RISCVVLMUL {
-  LMUL_1 = 0,
-  LMUL_2,
-  LMUL_4,
-  LMUL_8,
-  LMUL_RESERVED,
-  LMUL_F8,
-  LMUL_F4,
-  LMUL_F2
-};
-
 namespace RISCVVType {
 // Is this a SEW value that can be encoded into the VTYPE format.
 inline static bool isValidSEW(unsigned SEW) {
   return isPowerOf2_32(SEW) && SEW >= 8 && SEW <= 1024;
 }
 
 // Is this a LMUL value that can be encoded into the VTYPE format.
 inline static bool isValidLMUL(unsigned LMUL, bool Fractional) {
   return isPowerOf2_32(LMUL) && LMUL <= 8 && (!Fractional || LMUL != 1);
 }
 
 // Encode VTYPE into the binary format used by the the VSETVLI instruction which
 // is used by our MC layer representation.
 //
 // Bits | Name       | Description
 // -----+------------+------------------------------------------------
 // 7    | vma        | Vector mask agnostic
 // 6    | vta        | Vector tail agnostic
 // 5:3  | vsew[2:0]  | Standard element width (SEW) setting
 // 2:0  | vlmul[2:0] | Vector register group multiplier (LMUL) setting
-inline static unsigned encodeVTYPE(RISCVVLMUL VLMUL, RISCVVSEW VSEW,
+inline static unsigned encodeVTYPE(RISCVII::VLMUL VLMUL, RISCVII::VSEW VSEW,
                                    bool TailAgnostic, bool MaskAgnostic) {
   unsigned VLMULBits = static_cast<unsigned>(VLMUL);
   unsigned VSEWBits = static_cast<unsigned>(VSEW);
   unsigned VTypeI = (VSEWBits << 3) | (VLMULBits & 0x7);
   if (TailAgnostic)
     VTypeI |= 0x40;
   if (MaskAgnostic)
     VTypeI |= 0x80;
 
   return VTypeI;
 }
 
-inline static RISCVVLMUL getVLMUL(unsigned VType) {
+inline static RISCVII::VLMUL getVLMUL(unsigned VType) {
   unsigned VLMUL = VType & 0x7;
-  return static_cast<RISCVVLMUL>(VLMUL);
+  return static_cast<RISCVII::VLMUL>(VLMUL);
 }
 
-inline static RISCVVSEW getVSEW(unsigned VType) {
+inline static RISCVII::VSEW getVSEW(unsigned VType) {
   unsigned VSEW = (VType >> 3) & 0x7;
-  return static_cast<RISCVVSEW>(VSEW);
+  return static_cast<RISCVII::VSEW>(VSEW);
 }
 
 inline static bool isTailAgnostic(unsigned VType) { return VType & 0x40; }
 
 inline static bool isMaskAgnostic(unsigned VType) { return VType & 0x80; }
 
 void printVType(unsigned VType, raw_ostream &OS);
 
 } // namespace RISCVVType
 
 } // namespace llvm
 
 #endif

llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.cpp

if (!TT.isArch64Bit() && FeatureBits[RISCV::Feature64Bit])
     report_fatal_error("RV32 target requires an RV32 CPU");
   if (TT.isArch64Bit() && FeatureBits[RISCV::FeatureRV32E])
     report_fatal_error("RV32E can't be enabled for an RV64 target");
 }
 
 } // namespace RISCVFeatures
 
 void RISCVVType::printVType(unsigned VType, raw_ostream &OS) {
-  RISCVVSEW VSEW = getVSEW(VType);
-  RISCVVLMUL VLMUL = getVLMUL(VType);
+  RISCVII::VSEW VSEW = getVSEW(VType);
+  RISCVII::VLMUL VLMUL = getVLMUL(VType);
 
   unsigned Sew = 1 << (static_cast<unsigned>(VSEW) + 3);
   OS << "e" << Sew;
 
   switch (VLMUL) {
-  case RISCVVLMUL::LMUL_RESERVED:
+  case RISCVII::VLMUL::LMUL_RESERVED:
     llvm_unreachable("Unexpected LMUL value!");
-  case RISCVVLMUL::LMUL_1:
-  case RISCVVLMUL::LMUL_2:
-  case RISCVVLMUL::LMUL_4:
-  case RISCVVLMUL::LMUL_8: {
+  case RISCVII::VLMUL::LMUL_1:
+  case RISCVII::VLMUL::LMUL_2:
+  case RISCVII::VLMUL::LMUL_4:
+  case RISCVII::VLMUL::LMUL_8: {
     unsigned LMul = 1 << static_cast<unsigned>(VLMUL);
     OS << ",m" << LMul;
     break;
   }
-  case RISCVVLMUL::LMUL_F2:
-  case RISCVVLMUL::LMUL_F4:
-  case RISCVVLMUL::LMUL_F8: {
+  case RISCVII::VLMUL::LMUL_F2:
+  case RISCVII::VLMUL::LMUL_F4:
+  case RISCVII::VLMUL::LMUL_F8: {
     unsigned LMul = 1 << (8 - static_cast<unsigned>(VLMUL));
     OS << ",mf" << LMul;
     break;
   }
   }
 
   if (isTailAgnostic(VType))
     OS << ",ta";

llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp

 
 unsigned RISCVMCCodeEmitter::getImmOpValue(const MCInst &MI, unsigned OpNo,
                                            SmallVectorImpl<MCFixup> &Fixups,
                                            const MCSubtargetInfo &STI) const {
   bool EnableRelax = STI.getFeatureBits()[RISCV::FeatureRelax];
   const MCOperand &MO = MI.getOperand(OpNo);
 
   MCInstrDesc const &Desc = MCII.get(MI.getOpcode());
-  unsigned MIFrm = Desc.TSFlags & RISCVII::InstFormatMask;
+  unsigned MIFrm = RISCVII::getFormat(Desc.TSFlags);
 
   // If the destination is an immediate, there is nothing to do.
   if (MO.isImm())
     return MO.getImm();
 
   assert(MO.isExpr() &&
          "getImmOpValue expects only expressions or immediates");
   const MCExpr *Expr = MO.getExpr();

llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp

 
 static SDValue createM4Tuple(SelectionDAG &CurDAG, ArrayRef<SDValue> Regs,
                              unsigned NF) {
   return createTupleImpl(CurDAG, Regs, RISCV::VRN2M4RegClassID,
                          RISCV::sub_vrm4_0);
 }
 
 static SDValue createTuple(SelectionDAG &CurDAG, ArrayRef<SDValue> Regs,
-                           unsigned NF, RISCVVLMUL LMUL) {
+                           unsigned NF, RISCVII::VLMUL LMUL) {
   switch (LMUL) {
   default:
     llvm_unreachable("Invalid LMUL.");
-  case RISCVVLMUL::LMUL_F8:
-  case RISCVVLMUL::LMUL_F4:
-  case RISCVVLMUL::LMUL_F2:
-  case RISCVVLMUL::LMUL_1:
+  case RISCVII::VLMUL::LMUL_F8:
+  case RISCVII::VLMUL::LMUL_F4:
+  case RISCVII::VLMUL::LMUL_F2:
+  case RISCVII::VLMUL::LMUL_1:
     return createM1Tuple(CurDAG, Regs, NF);
-  case RISCVVLMUL::LMUL_2:
+  case RISCVII::VLMUL::LMUL_2:
     return createM2Tuple(CurDAG, Regs, NF);
-  case RISCVVLMUL::LMUL_4:
+  case RISCVII::VLMUL::LMUL_4:
     return createM4Tuple(CurDAG, Regs, NF);
   }
 }
 
 void RISCVDAGToDAGISel::addVectorLoadStoreOperands(
     SDNode *Node, unsigned SEW, const SDLoc &DL, unsigned CurOp, bool IsMasked,
     bool IsStridedOrIndexed, SmallVectorImpl<SDValue> &Operands, MVT *IndexVT) {
   SDValue Chain = Node->getOperand(0);

 }
 
 void RISCVDAGToDAGISel::selectVLSEG(SDNode *Node, bool IsMasked,
                                     bool IsStrided) {
   SDLoc DL(Node);
   unsigned NF = Node->getNumValues() - 1;
   MVT VT = Node->getSimpleValueType(0);
   unsigned ScalarSize = VT.getScalarSizeInBits();
-  RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+  RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
 
   unsigned CurOp = 2;
   SmallVector<SDValue, 8> Operands;
   if (IsMasked) {
     SmallVector<SDValue, 8> Regs(Node->op_begin() + CurOp,
                                  Node->op_begin() + CurOp + NF);
     SDValue MaskedOff = createTuple(*CurDAG, Regs, NF, LMUL);
     Operands.push_back(MaskedOff);

 }
 
 void RISCVDAGToDAGISel::selectVLSEGFF(SDNode *Node, bool IsMasked) {
   SDLoc DL(Node);
   unsigned NF = Node->getNumValues() - 2; // Do not count VL and Chain.
   MVT VT = Node->getSimpleValueType(0);
   MVT XLenVT = Subtarget->getXLenVT();
   unsigned ScalarSize = VT.getScalarSizeInBits();
-  RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+  RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
 
   unsigned CurOp = 2;
   SmallVector<SDValue, 7> Operands;
   if (IsMasked) {
     SmallVector<SDValue, 8> Regs(Node->op_begin() + CurOp,
                                  Node->op_begin() + CurOp + NF);
     SDValue MaskedOff = createTuple(*CurDAG, Regs, NF, LMUL);
     Operands.push_back(MaskedOff);

 }
 
 void RISCVDAGToDAGISel::selectVLXSEG(SDNode *Node, bool IsMasked,
                                      bool IsOrdered) {
   SDLoc DL(Node);
   unsigned NF = Node->getNumValues() - 1;
   MVT VT = Node->getSimpleValueType(0);
   unsigned ScalarSize = VT.getScalarSizeInBits();
-  RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+  RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
 
   unsigned CurOp = 2;
   SmallVector<SDValue, 8> Operands;
   if (IsMasked) {
     SmallVector<SDValue, 8> Regs(Node->op_begin() + CurOp,
                                  Node->op_begin() + CurOp + NF);
     SDValue MaskedOff = createTuple(*CurDAG, Regs, NF, LMUL);
     Operands.push_back(MaskedOff);
     CurOp += NF;
   }
 
   MVT IndexVT;
   addVectorLoadStoreOperands(Node, ScalarSize, DL, CurOp, IsMasked,
                              /*IsStridedOrIndexed*/ true, Operands, &IndexVT);
 
   assert(VT.getVectorElementCount() == IndexVT.getVectorElementCount() &&
          "Element count mismatch");
 
-  RISCVVLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
+  RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
   unsigned IndexScalarSize = IndexVT.getScalarSizeInBits();
   const RISCV::VLXSEGPseudo *P = RISCV::getVLXSEGPseudo(
       NF, IsMasked, IsOrdered, IndexScalarSize, static_cast<unsigned>(LMUL),
       static_cast<unsigned>(IndexLMUL));
   MachineSDNode *Load =
       CurDAG->getMachineNode(P->Pseudo, DL, MVT::Untyped, MVT::Other, Operands);
 
   if (auto *MemOp = dyn_cast<MemSDNode>(Node))
void RISCVDAGToDAGISel::selectVSSEG(SDNode *Node, bool IsMasked,
   SDLoc DL(Node);
   unsigned NF = Node->getNumOperands() - 4;
   if (IsStrided)
     NF--;
   if (IsMasked)
     NF--;
   MVT VT = Node->getOperand(2)->getSimpleValueType(0);
   unsigned ScalarSize = VT.getScalarSizeInBits();
-  RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+  RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
   SmallVector<SDValue, 8> Regs(Node->op_begin() + 2, Node->op_begin() + 2 + NF);
   SDValue StoreVal = createTuple(*CurDAG, Regs, NF, LMUL);
 
   SmallVector<SDValue, 8> Operands;
   Operands.push_back(StoreVal);
   unsigned CurOp = 2 + NF;
 
   addVectorLoadStoreOperands(Node, ScalarSize, DL, CurOp, IsMasked, IsStrided,

 void RISCVDAGToDAGISel::selectVSXSEG(SDNode *Node, bool IsMasked,
                                      bool IsOrdered) {
   SDLoc DL(Node);
   unsigned NF = Node->getNumOperands() - 5;
   if (IsMasked)
     --NF;
   MVT VT = Node->getOperand(2)->getSimpleValueType(0);
   unsigned ScalarSize = VT.getScalarSizeInBits();
-  RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+  RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
   SmallVector<SDValue, 8> Regs(Node->op_begin() + 2, Node->op_begin() + 2 + NF);
   SDValue StoreVal = createTuple(*CurDAG, Regs, NF, LMUL);
 
   SmallVector<SDValue, 8> Operands;
   Operands.push_back(StoreVal);
   unsigned CurOp = 2 + NF;
 
   MVT IndexVT;
   addVectorLoadStoreOperands(Node, ScalarSize, DL, CurOp, IsMasked,
                              /*IsStridedOrIndexed*/ true, Operands, &IndexVT);
 
   assert(VT.getVectorElementCount() == IndexVT.getVectorElementCount() &&
          "Element count mismatch");
 
-  RISCVVLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
+  RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
   unsigned IndexScalarSize = IndexVT.getScalarSizeInBits();
   const RISCV::VSXSEGPseudo *P = RISCV::getVSXSEGPseudo(
       NF, IsMasked, IsOrdered, IndexScalarSize, static_cast<unsigned>(LMUL),
       static_cast<unsigned>(IndexLMUL));
   MachineSDNode *Store =
       CurDAG->getMachineNode(P->Pseudo, DL, Node->getValueType(0), Operands);
 
   if (auto *MemOp = dyn_cast<MemSDNode>(Node))
case Intrinsic::riscv_vmsge: {
           break;
       }
       bool IsUnsigned = IntNo == Intrinsic::riscv_vmsgeu;
       MVT Src1VT = Src1.getSimpleValueType();
       unsigned VMSLTOpcode, VMNANDOpcode;
       switch (RISCVTargetLowering::getLMUL(Src1VT)) {
       default:
         llvm_unreachable("Unexpected LMUL!");
-      case RISCVVLMUL::LMUL_F8:
+      case RISCVII::VLMUL::LMUL_F8:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF8 : RISCV::PseudoVMSLT_VX_MF8;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_MF8;
         break;
-      case RISCVVLMUL::LMUL_F4:
+      case RISCVII::VLMUL::LMUL_F4:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF4 : RISCV::PseudoVMSLT_VX_MF4;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_MF4;
         break;
-      case RISCVVLMUL::LMUL_F2:
+      case RISCVII::VLMUL::LMUL_F2:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF2 : RISCV::PseudoVMSLT_VX_MF2;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_MF2;
         break;
-      case RISCVVLMUL::LMUL_1:
+      case RISCVII::VLMUL::LMUL_1:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M1 : RISCV::PseudoVMSLT_VX_M1;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_M1;
         break;
-      case RISCVVLMUL::LMUL_2:
+      case RISCVII::VLMUL::LMUL_2:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M2 : RISCV::PseudoVMSLT_VX_M2;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_M2;
         break;
-      case RISCVVLMUL::LMUL_4:
+      case RISCVII::VLMUL::LMUL_4:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M4 : RISCV::PseudoVMSLT_VX_M4;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_M4;
         break;
-      case RISCVVLMUL::LMUL_8:
+      case RISCVII::VLMUL::LMUL_8:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M8 : RISCV::PseudoVMSLT_VX_M8;
         VMNANDOpcode = RISCV::PseudoVMNAND_MM_M8;
         break;
       }
       SDValue SEW = CurDAG->getTargetConstant(
           Log2_32(Src1VT.getScalarSizeInBits()), DL, XLenVT);
       SDValue VL;
case Intrinsic::riscv_vmsge_mask: {
           break;
       }
       bool IsUnsigned = IntNo == Intrinsic::riscv_vmsgeu_mask;
       MVT Src1VT = Src1.getSimpleValueType();
       unsigned VMSLTOpcode, VMSLTMaskOpcode, VMXOROpcode, VMANDNOTOpcode;
       switch (RISCVTargetLowering::getLMUL(Src1VT)) {
       default:
         llvm_unreachable("Unexpected LMUL!");
-      case RISCVVLMUL::LMUL_F8:
+      case RISCVII::VLMUL::LMUL_F8:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF8 : RISCV::PseudoVMSLT_VX_MF8;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF8_MASK
                                      : RISCV::PseudoVMSLT_VX_MF8_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_MF8;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_MF8;
         break;
-      case RISCVVLMUL::LMUL_F4:
+      case RISCVII::VLMUL::LMUL_F4:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF4 : RISCV::PseudoVMSLT_VX_MF4;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF4_MASK
                                      : RISCV::PseudoVMSLT_VX_MF4_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_MF4;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_MF4;
         break;
-      case RISCVVLMUL::LMUL_F2:
+      case RISCVII::VLMUL::LMUL_F2:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF2 : RISCV::PseudoVMSLT_VX_MF2;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_MF2_MASK
                                      : RISCV::PseudoVMSLT_VX_MF2_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_MF2;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_MF2;
         break;
-      case RISCVVLMUL::LMUL_1:
+      case RISCVII::VLMUL::LMUL_1:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M1 : RISCV::PseudoVMSLT_VX_M1;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_M1_MASK
                                      : RISCV::PseudoVMSLT_VX_M1_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_M1;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_M1;
         break;
-      case RISCVVLMUL::LMUL_2:
+      case RISCVII::VLMUL::LMUL_2:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M2 : RISCV::PseudoVMSLT_VX_M2;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_M2_MASK
                                      : RISCV::PseudoVMSLT_VX_M2_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_M2;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_M2;
         break;
-      case RISCVVLMUL::LMUL_4:
+      case RISCVII::VLMUL::LMUL_4:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M4 : RISCV::PseudoVMSLT_VX_M4;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_M4_MASK
                                      : RISCV::PseudoVMSLT_VX_M4_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_M4;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_M4;
         break;
-      case RISCVVLMUL::LMUL_8:
+      case RISCVII::VLMUL::LMUL_8:
         VMSLTOpcode =
             IsUnsigned ? RISCV::PseudoVMSLTU_VX_M8 : RISCV::PseudoVMSLT_VX_M8;
         VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_M8_MASK
                                      : RISCV::PseudoVMSLT_VX_M8_MASK;
         VMXOROpcode = RISCV::PseudoVMXOR_MM_M8;
         VMANDNOTOpcode = RISCV::PseudoVMANDNOT_MM_M8;
         break;
       }
case Intrinsic::riscv_vsetvlimax: {
         break;
 
       bool VLMax = IntNo == Intrinsic::riscv_vsetvlimax;
       unsigned Offset = VLMax ? 2 : 3;
 
       assert(Node->getNumOperands() == Offset + 2 &&
              "Unexpected number of operands");
 
-      RISCVVSEW VSEW =
-          static_cast<RISCVVSEW>(Node->getConstantOperandVal(Offset) & 0x7);
-      RISCVVLMUL VLMul = static_cast<RISCVVLMUL>(
+      RISCVII::VSEW VSEW =
+          static_cast<RISCVII::VSEW>(Node->getConstantOperandVal(Offset) & 0x7);
+      RISCVII::VLMUL VLMul = static_cast<RISCVII::VLMUL>(
           Node->getConstantOperandVal(Offset + 1) & 0x7);
 
       unsigned VTypeI = RISCVVType::encodeVTYPE(
           VLMul, VSEW, /*TailAgnostic*/ true, /*MaskAgnostic*/ false);
       SDValue VTypeIOp = CurDAG->getTargetConstant(VTypeI, DL, XLenVT);
 
       SDValue VLOperand;
       if (VLMax) {
case Intrinsic::riscv_vluxei_mask: {
       MVT IndexVT;
       addVectorLoadStoreOperands(Node, ScalarSize, DL, CurOp, IsMasked,
                                  /*IsStridedOrIndexed*/ true, Operands,
                                  &IndexVT);
 
       assert(VT.getVectorElementCount() == IndexVT.getVectorElementCount() &&
              "Element count mismatch");
 
-      RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
-      RISCVVLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
+      RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+      RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
       unsigned IndexScalarSize = IndexVT.getScalarSizeInBits();
       const RISCV::VLX_VSXPseudo *P = RISCV::getVLXPseudo(
           IsMasked, IsOrdered, IndexScalarSize, static_cast<unsigned>(LMUL),
           static_cast<unsigned>(IndexLMUL));
       MachineSDNode *Load =
           CurDAG->getMachineNode(P->Pseudo, DL, Node->getVTList(), Operands);
 
       if (auto *MemOp = dyn_cast<MemSDNode>(Node))
case Intrinsic::riscv_vlse_mask: {
       unsigned CurOp = 2;
       SmallVector<SDValue, 8> Operands;
       if (IsMasked)
         Operands.push_back(Node->getOperand(CurOp++));
 
       addVectorLoadStoreOperands(Node, SEW, DL, CurOp, IsMasked, IsStrided,
                                  Operands);
 
-      RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+      RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
       const RISCV::VLEPseudo *P =
           RISCV::getVLEPseudo(IsMasked, IsStrided, /*FF*/ false, ScalarSize,
                               static_cast<unsigned>(LMUL));
       MachineSDNode *Load =
           CurDAG->getMachineNode(P->Pseudo, DL, Node->getVTList(), Operands);
 
       if (auto *MemOp = dyn_cast<MemSDNode>(Node))
         CurDAG->setNodeMemRefs(Load, {MemOp->getMemOperand()});
case Intrinsic::riscv_vleff_mask: {
       unsigned CurOp = 2;
       SmallVector<SDValue, 7> Operands;
       if (IsMasked)
         Operands.push_back(Node->getOperand(CurOp++));
 
       addVectorLoadStoreOperands(Node, ScalarSize, DL, CurOp, IsMasked,
                                  /*IsStridedOrIndexed*/ false, Operands);
 
-      RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+      RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
       const RISCV::VLEPseudo *P =
           RISCV::getVLEPseudo(IsMasked, /*Strided*/ false, /*FF*/ true,
                               ScalarSize, static_cast<unsigned>(LMUL));
       MachineSDNode *Load =
           CurDAG->getMachineNode(P->Pseudo, DL, Node->getValueType(0),
                                  MVT::Other, MVT::Glue, Operands);
       SDNode *ReadVL = CurDAG->getMachineNode(RISCV::PseudoReadVL, DL, XLenVT,
                                               /*Glue*/ SDValue(Load, 2));
case Intrinsic::riscv_vsuxei_mask: {
       MVT IndexVT;
       addVectorLoadStoreOperands(Node, ScalarSize, DL, CurOp, IsMasked,
                                  /*IsStridedOrIndexed*/ true, Operands,
                                  &IndexVT);
 
       assert(VT.getVectorElementCount() == IndexVT.getVectorElementCount() &&
              "Element count mismatch");
 
-      RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
-      RISCVVLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
+      RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+      RISCVII::VLMUL IndexLMUL = RISCVTargetLowering::getLMUL(IndexVT);
       unsigned IndexScalarSize = IndexVT.getScalarSizeInBits();
       const RISCV::VLX_VSXPseudo *P = RISCV::getVSXPseudo(
           IsMasked, IsOrdered, IndexScalarSize, static_cast<unsigned>(LMUL),
           static_cast<unsigned>(IndexLMUL));
       MachineSDNode *Store =
           CurDAG->getMachineNode(P->Pseudo, DL, Node->getVTList(), Operands);
 
       if (auto *MemOp = dyn_cast<MemSDNode>(Node))
case Intrinsic::riscv_vsse_mask: {
 
       unsigned CurOp = 2;
       SmallVector<SDValue, 8> Operands;
       Operands.push_back(Node->getOperand(CurOp++)); // Store value.
 
       addVectorLoadStoreOperands(Node, SEW, DL, CurOp, IsMasked, IsStrided,
                                  Operands);
 
-      RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+      RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
       const RISCV::VSEPseudo *P = RISCV::getVSEPseudo(
           IsMasked, IsStrided, ScalarSize, static_cast<unsigned>(LMUL));
       MachineSDNode *Store =
           CurDAG->getMachineNode(P->Pseudo, DL, Node->getVTList(), Operands);
       if (auto *MemOp = dyn_cast<MemSDNode>(Node))
         CurDAG->setNodeMemRefs(Store, {MemOp->getMemOperand()});
 
       ReplaceNode(Node, Store);
std::tie(SubRegIdx, Idx) =
             VT, SubVecContainerVT, Idx, TRI);
 
     // If the Idx hasn't been completely eliminated then this is a subvector
     // insert which doesn't naturally align to a vector register. These must
     // be handled using instructions to manipulate the vector registers.
     if (Idx != 0)
       break;
 
-    RISCVVLMUL SubVecLMUL = RISCVTargetLowering::getLMUL(SubVecContainerVT);
-    bool IsSubVecPartReg = SubVecLMUL == RISCVVLMUL::LMUL_F2 ||
-                           SubVecLMUL == RISCVVLMUL::LMUL_F4 ||
-                           SubVecLMUL == RISCVVLMUL::LMUL_F8;
+    RISCVII::VLMUL SubVecLMUL = RISCVTargetLowering::getLMUL(SubVecContainerVT);
+    bool IsSubVecPartReg = SubVecLMUL == RISCVII::VLMUL::LMUL_F2 ||
+                           SubVecLMUL == RISCVII::VLMUL::LMUL_F4 ||
+                           SubVecLMUL == RISCVII::VLMUL::LMUL_F8;
     (void)IsSubVecPartReg; // Silence unused variable warning without asserts.
     assert((!IsSubVecPartReg || V.isUndef()) &&
            "Expecting lowering to have created legal INSERT_SUBVECTORs when "
            "the subvector is smaller than a full-sized register");
 
     // If we haven't set a SubRegIdx, then we must be going between
     // equally-sized LMUL groups (e.g. VR -> VR). This can be done as a copy.
     if (SubRegIdx == RISCV::NoSubRegister) {
case RISCVISD::VFMV_V_F_VL: {
 
     unsigned ScalarSize = VT.getScalarSizeInBits();
     SDValue SEW = CurDAG->getTargetConstant(Log2_32(ScalarSize), DL, XLenVT);
 
     SDValue Operands[] = {Ld->getBasePtr(),
                           CurDAG->getRegister(RISCV::X0, XLenVT), VL, SEW,
                           Ld->getChain()};
 
-    RISCVVLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
+    RISCVII::VLMUL LMUL = RISCVTargetLowering::getLMUL(VT);
     const RISCV::VLEPseudo *P = RISCV::getVLEPseudo(
         /*IsMasked*/ false, /*IsStrided*/ true, /*FF*/ false, ScalarSize,
         static_cast<unsigned>(LMUL));
     MachineSDNode *Load =
         CurDAG->getMachineNode(P->Pseudo, DL, Node->getVTList(), Operands);
 
     if (auto *MemOp = dyn_cast<MemSDNode>(Node))
       CurDAG->setNodeMemRefs(Load, {MemOp->getMemOperand()});

llvm/lib/Target/RISCV/RISCVISelLowering.h

bool splitValueIntoRegisterParts(SelectionDAG &DAG, const SDLoc &DL,
                                    Optional<CallingConv::ID> CC) const override;
 
   SDValue
   joinRegisterPartsIntoValue(SelectionDAG &DAG, const SDLoc &DL,
                              const SDValue *Parts, unsigned NumParts,
                              MVT PartVT, EVT ValueVT,
                              Optional<CallingConv::ID> CC) const override;
 
-  static RISCVVLMUL getLMUL(MVT VT);
-  static unsigned getRegClassIDForLMUL(RISCVVLMUL LMul);
+  static RISCVII::VLMUL getLMUL(MVT VT);
+  static unsigned getRegClassIDForLMUL(RISCVII::VLMUL LMul);
   static unsigned getSubregIndexByMVT(MVT VT, unsigned Index);
   static unsigned getRegClassIDForVecVT(MVT VT);
   static std::pair<unsigned, unsigned>
   decomposeSubvectorInsertExtractToSubRegs(MVT VecVT, MVT SubVecVT,
                                            unsigned InsertExtractIdx,
                                            const RISCVRegisterInfo *TRI);
   MVT getContainerForFixedLengthVector(MVT VT) const;
 

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

case ISD::SETGE:
     return RISCV::BGE;
   case ISD::SETULT:
     return RISCV::BLTU;
   case ISD::SETUGE:
     return RISCV::BGEU;
   }
 }
 
-RISCVVLMUL RISCVTargetLowering::getLMUL(MVT VT) {
+RISCVII::VLMUL RISCVTargetLowering::getLMUL(MVT VT) {
   assert(VT.isScalableVector() && "Expecting a scalable vector type");
   unsigned KnownSize = VT.getSizeInBits().getKnownMinValue();
   if (VT.getVectorElementType() == MVT::i1)
     KnownSize *= 8;
 
   switch (KnownSize) {
   default:
     llvm_unreachable("Invalid LMUL.");
   case 8:
-    return RISCVVLMUL::LMUL_F8;
+    return RISCVII::VLMUL::LMUL_F8;
   case 16:
-    return RISCVVLMUL::LMUL_F4;
+    return RISCVII::VLMUL::LMUL_F4;
   case 32:
-    return RISCVVLMUL::LMUL_F2;
+    return RISCVII::VLMUL::LMUL_F2;
   case 64:
-    return RISCVVLMUL::LMUL_1;
+    return RISCVII::VLMUL::LMUL_1;
   case 128:
-    return RISCVVLMUL::LMUL_2;
+    return RISCVII::VLMUL::LMUL_2;
   case 256:
-    return RISCVVLMUL::LMUL_4;
+    return RISCVII::VLMUL::LMUL_4;
   case 512:
-    return RISCVVLMUL::LMUL_8;
+    return RISCVII::VLMUL::LMUL_8;
   }
 }
 
-unsigned RISCVTargetLowering::getRegClassIDForLMUL(RISCVVLMUL LMul) {
+unsigned RISCVTargetLowering::getRegClassIDForLMUL(RISCVII::VLMUL LMul) {
   switch (LMul) {
   default:
     llvm_unreachable("Invalid LMUL.");
-  case RISCVVLMUL::LMUL_F8:
-  case RISCVVLMUL::LMUL_F4:
-  case RISCVVLMUL::LMUL_F2:
-  case RISCVVLMUL::LMUL_1:
+  case RISCVII::VLMUL::LMUL_F8:
+  case RISCVII::VLMUL::LMUL_F4:
+  case RISCVII::VLMUL::LMUL_F2:
+  case RISCVII::VLMUL::LMUL_1:
     return RISCV::VRRegClassID;
-  case RISCVVLMUL::LMUL_2:
+  case RISCVII::VLMUL::LMUL_2:
     return RISCV::VRM2RegClassID;
-  case RISCVVLMUL::LMUL_4:
+  case RISCVII::VLMUL::LMUL_4:
     return RISCV::VRM4RegClassID;
-  case RISCVVLMUL::LMUL_8:
+  case RISCVII::VLMUL::LMUL_8:
     return RISCV::VRM8RegClassID;
   }
 }
 
 unsigned RISCVTargetLowering::getSubregIndexByMVT(MVT VT, unsigned Index) {
-  RISCVVLMUL LMUL = getLMUL(VT);
-  if (LMUL == RISCVVLMUL::LMUL_F8 || LMUL == RISCVVLMUL::LMUL_F4 ||
-      LMUL == RISCVVLMUL::LMUL_F2 || LMUL == RISCVVLMUL::LMUL_1) {
+  RISCVII::VLMUL LMUL = getLMUL(VT);
+  if (LMUL == RISCVII::VLMUL::LMUL_F8 ||
+      LMUL == RISCVII::VLMUL::LMUL_F4 ||
+      LMUL == RISCVII::VLMUL::LMUL_F2 ||
+      LMUL == RISCVII::VLMUL::LMUL_1) {
     static_assert(RISCV::sub_vrm1_7 == RISCV::sub_vrm1_0 + 7,
                   "Unexpected subreg numbering");
     return RISCV::sub_vrm1_0 + Index;
   }
-  if (LMUL == RISCVVLMUL::LMUL_2) {
+  if (LMUL == RISCVII::VLMUL::LMUL_2) {
     static_assert(RISCV::sub_vrm2_3 == RISCV::sub_vrm2_0 + 3,
                   "Unexpected subreg numbering");
     return RISCV::sub_vrm2_0 + Index;
   }
-  if (LMUL == RISCVVLMUL::LMUL_4) {
+  if (LMUL == RISCVII::VLMUL::LMUL_4) {
     static_assert(RISCV::sub_vrm4_1 == RISCV::sub_vrm4_0 + 1,
                   "Unexpected subreg numbering");
     return RISCV::sub_vrm4_0 + Index;
   }
   llvm_unreachable("Invalid vector type.");
 }
 
 unsigned RISCVTargetLowering::getRegClassIDForVecVT(MVT VT) {
if (SubVecVT.isFixedLengthVector()) {
     return DAG.getBitcast(Op.getValueType(), Slideup);
   }
 
   unsigned SubRegIdx, RemIdx;
   std::tie(SubRegIdx, RemIdx) =
       RISCVTargetLowering::decomposeSubvectorInsertExtractToSubRegs(
           VecVT, SubVecVT, OrigIdx, TRI);
 
-  RISCVVLMUL SubVecLMUL = RISCVTargetLowering::getLMUL(SubVecVT);
-  bool IsSubVecPartReg = SubVecLMUL == RISCVVLMUL::LMUL_F2 ||
-                         SubVecLMUL == RISCVVLMUL::LMUL_F4 ||
-                         SubVecLMUL == RISCVVLMUL::LMUL_F8;
+  RISCVII::VLMUL SubVecLMUL = RISCVTargetLowering::getLMUL(SubVecVT);
+  bool IsSubVecPartReg = SubVecLMUL == RISCVII::VLMUL::LMUL_F2 ||
+                         SubVecLMUL == RISCVII::VLMUL::LMUL_F4 ||
+                         SubVecLMUL == RISCVII::VLMUL::LMUL_F8;
 
   // 1. If the Idx has been completely eliminated and this subvector's size is
   // a vector register or a multiple thereof, or the surrounding elements are
   // undef, then this is a subvector insert which naturally aligns to a vector
   // register. These can easily be handled using subregister manipulation.
   // 2. If the subvector is smaller than a vector register, then the insertion
   // must preserve the undisturbed elements of the register. We do this by
   // lowering to an EXTRACT_SUBVECTOR grabbing the nearest LMUL=1 vector type
while (true) {
     MI = MRI.getVRegDef(MI->getOperand(1).getReg());
     if (!MI)
       return nullptr;
   }
 }
 
 static MachineBasicBlock *addVSetVL(MachineInstr &MI, MachineBasicBlock *BB,
                                     int VLIndex, unsigned SEWIndex,
-                                    RISCVVLMUL VLMul, bool ForceTailAgnostic) {
+                                    RISCVII::VLMUL VLMul,
+                                    bool ForceTailAgnostic) {
   MachineFunction &MF = *BB->getParent();
   DebugLoc DL = MI.getDebugLoc();
   const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
 
   unsigned Log2SEW = MI.getOperand(SEWIndex).getImm();
   assert(RISCVVType::isValidSEW(1 << Log2SEW) && "Unexpected SEW");
-  RISCVVSEW ElementWidth = static_cast<RISCVVSEW>(Log2SEW - 3);
+  RISCVII::VSEW ElementWidth = static_cast<RISCVII::VSEW>(Log2SEW - 3);
 
   MachineRegisterInfo &MRI = MF.getRegInfo();
 
   auto BuildVSETVLI = [&]() {
     if (VLIndex >= 0) {
       Register DestReg = MRI.createVirtualRegister(&RISCV::GPRRegClass);
       const MachineOperand &VLOp = MI.getOperand(VLIndex);
 
static MachineBasicBlock *addVSetVL(MachineInstr &MI, MachineBasicBlock *BB,
   return BB;
 }
 
 MachineBasicBlock *
 RISCVTargetLowering::EmitInstrWithCustomInserter(MachineInstr &MI,
                                                  MachineBasicBlock *BB) const {
   uint64_t TSFlags = MI.getDesc().TSFlags;
 
-  if (TSFlags & RISCVII::HasSEWOpMask) {
+  if (RISCVII::hasSEWOp(TSFlags)) {
     unsigned NumOperands = MI.getNumExplicitOperands();
-    int VLIndex = (TSFlags & RISCVII::HasVLOpMask) ? NumOperands - 2 : -1;
+    int VLIndex = RISCVII::hasVLOp(TSFlags) ? NumOperands - 2 : -1;
     unsigned SEWIndex = NumOperands - 1;
-    bool ForceTailAgnostic = TSFlags & RISCVII::ForceTailAgnosticMask;
+    bool ForceTailAgnostic = RISCVII::doesForceTailAgnostic(TSFlags);
 
-    RISCVVLMUL VLMul = static_cast<RISCVVLMUL>((TSFlags & RISCVII::VLMulMask) >>
-                                               RISCVII::VLMulShift);
+    RISCVII::VLMUL VLMul = RISCVII::getLMul(TSFlags);
     return addVSetVL(MI, BB, VLIndex, SEWIndex, VLMul, ForceTailAgnostic);
   }
 
   switch (MI.getOpcode()) {
   default:
     llvm_unreachable("Unexpected instr type to insert");
   case RISCV::ReadCycleWide:
     assert(!Subtarget.is64Bit() &&

llvm/lib/Target/RISCV/RISCVMCInstLower.cpp

static bool lowerRISCVVMachineInstrToMCInst(const MachineInstr *MI,
   uint64_t TSFlags = MI->getDesc().TSFlags;
   int NumOps = MI->getNumExplicitOperands();
 
   for (const MachineOperand &MO : MI->explicit_operands()) {
     int OpNo = (int)MI->getOperandNo(&MO);
     assert(OpNo >= 0 && "Operand number doesn't fit in an 'int' type");
 
     // Skip VL and SEW operands which are the last two operands if present.
-    if ((TSFlags & RISCVII::HasVLOpMask) && OpNo == (NumOps - 2))
+    if (RISCVII::hasVLOp(TSFlags) && OpNo == (NumOps - 2))
       continue;
-    if ((TSFlags & RISCVII::HasSEWOpMask) && OpNo == (NumOps - 1))
+    if (RISCVII::hasSEWOp(TSFlags) && OpNo == (NumOps - 1))
       continue;
 
     // Skip merge op. It should be the first operand after the result.
-    if ((TSFlags & RISCVII::HasMergeOpMask) && OpNo == 1) {
+    if (RISCVII::hasMergeOp(TSFlags) && OpNo == 1) {
       assert(MI->getNumExplicitDefs() == 1);
       continue;
     }
 
     MCOperand MCOp;
     switch (MO.getType()) {
     default:
       llvm_unreachable("Unknown operand type");
case MachineOperand::MO_Immediate:
       MCOp = MCOperand::createImm(MO.getImm());
       break;
     }
     OutMI.addOperand(MCOp);
   }
 
   // Unmasked pseudo instructions need to append dummy mask operand to
   // V instructions. All V instructions are modeled as the masked version.
-  if (TSFlags & RISCVII::HasDummyMaskOpMask)
+  if (RISCVII::hasDummyMaskOp(TSFlags))
     OutMI.addOperand(MCOperand::createReg(RISCV::NoRegister));
 
   return true;
 }
 
 bool llvm::lowerRISCVMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
                                           AsmPrinter &AP) {
   if (lowerRISCVVMachineInstrToMCInst(MI, OutMI))