[NFC] clang-format IntrinsicInst.h|cpp

llvm/include/llvm/IR/IntrinsicInst.h

 #include "llvm/IR/Metadata.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Support/Casting.h"
 #include <cassert>
 #include <cstdint>
 
 namespace llvm {
 
-  /// A wrapper class for inspecting calls to intrinsic functions.
-  /// This allows the standard isa/dyncast/cast functionality to work with calls
-  /// to intrinsic functions.
-  class IntrinsicInst : public CallInst {
-  public:
-    IntrinsicInst() = delete;
-    IntrinsicInst(const IntrinsicInst &) = delete;
-    IntrinsicInst &operator=(const IntrinsicInst &) = delete;
 
-    /// Return the intrinsic ID of this intrinsic.
-    Intrinsic::ID getIntrinsicID() const {
-      return getCalledFunction()->getIntrinsicID();
-    }
 
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const CallInst *I) {
-      if (const Function *CF = I->getCalledFunction())
-        return CF->isIntrinsic();
-      return false;
-    }
-    static bool classof(const Value *V) {
-      return isa<CallInst>(V) && classof(cast<CallInst>(V));
-    }
-  };
 
-  /// Check if \p ID corresponds to a debug info intrinsic.
-  static inline bool isDbgInfoIntrinsic(Intrinsic::ID ID) {
-    switch (ID) {
-    case Intrinsic::dbg_declare:
-    case Intrinsic::dbg_value:
-    case Intrinsic::dbg_addr:
-    case Intrinsic::dbg_label:
-      return true;
-    default:
-      return false;
-    }
-  }
 
-  /// This is the common base class for debug info intrinsics.
-  class DbgInfoIntrinsic : public IntrinsicInst {
-  public:
-    /// \name Casting methods
-    /// @{
-    static bool classof(const IntrinsicInst *I) {
-      return isDbgInfoIntrinsic(I->getIntrinsicID());
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-    /// @}
-  };
 
-  /// This is the common base class for debug info intrinsics for variables.
-  class DbgVariableIntrinsic : public DbgInfoIntrinsic {
-  public:
-    /// Get the location corresponding to the variable referenced by the debug
-    /// info intrinsic.  Depending on the intrinsic, this could be the
-    /// variable's value or its address.
-    Value *getVariableLocation(bool AllowNullOp = true) const;
 
-    /// Does this describe the address of a local variable. True for dbg.addr
-    /// and dbg.declare, but not dbg.value, which describes its value.
-    bool isAddressOfVariable() const {
-      return getIntrinsicID() != Intrinsic::dbg_value;
-    }
 
-    DILocalVariable *getVariable() const {
-      return cast<DILocalVariable>(getRawVariable());
-    }
 
-    DIExpression *getExpression() const {
-      return cast<DIExpression>(getRawExpression());
-    }
 
-    Metadata *getRawVariable() const {
-      return cast<MetadataAsValue>(getArgOperand(1))->getMetadata();
-    }
 
-    Metadata *getRawExpression() const {
-      return cast<MetadataAsValue>(getArgOperand(2))->getMetadata();
-    }
 
-    /// Get the size (in bits) of the variable, or fragment of the variable that
-    /// is described.
-    Optional<uint64_t> getFragmentSizeInBits() const;
 
-    /// \name Casting methods
-    /// @{
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::dbg_declare:
-      case Intrinsic::dbg_value:
-      case Intrinsic::dbg_addr:
-        return true;
-      default: return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-    /// @}
-  };
+    default:
+      return false;
 
-  /// This represents the llvm.dbg.declare instruction.
-  class DbgDeclareInst : public DbgVariableIntrinsic {
-  public:
-    Value *getAddress() const { return getVariableLocation(); }
 
-    /// \name Casting methods
-    /// @{
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::dbg_declare;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-    /// @}
-  };
 
-  /// This represents the llvm.dbg.addr instruction.
-  class DbgAddrIntrinsic : public DbgVariableIntrinsic {
-  public:
-    Value *getAddress() const { return getVariableLocation(); }
 
-    /// \name Casting methods
-    /// @{
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::dbg_addr;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This represents the llvm.dbg.value instruction.
-  class DbgValueInst : public DbgVariableIntrinsic {
-  public:
-    Value *getValue() const {
-      return getVariableLocation(/* AllowNullOp = */ false);
-    }
 
-    /// \name Casting methods
-    /// @{
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::dbg_value;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-    /// @}
-  };
 
-  /// This represents the llvm.dbg.label instruction.
-  class DbgLabelInst : public DbgInfoIntrinsic {
-  public:
-    DILabel *getLabel() const {
-      return cast<DILabel>(getRawLabel());
-    }
+  DILabel *getLabel() const { return cast<DILabel>(getRawLabel()); }
 
-    Metadata *getRawLabel() const {
-      return cast<MetadataAsValue>(getArgOperand(0))->getMetadata();
-    }
 
-    /// Methods for support type inquiry through isa, cast, and dyn_cast:
-    /// @{
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::dbg_label;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-    /// @}
-  };
 
-  /// This is the common base class for vector predication intrinsics.
-  class VPIntrinsic : public IntrinsicInst {
-  public:
-    static Optional<int> GetMaskParamPos(Intrinsic::ID IntrinsicID);
-    static Optional<int> GetVectorLengthParamPos(Intrinsic::ID IntrinsicID);
 
-    /// The llvm.vp.* intrinsics for this instruction Opcode
-    static Intrinsic::ID GetForOpcode(unsigned OC);
 
-    // Whether \p ID is a VP intrinsic ID.
-    static bool IsVPIntrinsic(Intrinsic::ID);
 
-    /// \return the mask parameter or nullptr.
-    Value *getMaskParam() const;
 
-    /// \return the vector length parameter or nullptr.
-    Value *getVectorLengthParam() const;
 
-    /// \return whether the vector length param can be ignored.
-    bool canIgnoreVectorLengthParam() const;
 
-    /// \return the static element count (vector number of elements) the vector
-    /// length parameter applies to.
-    ElementCount getStaticVectorLength() const;
 
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      return IsVPIntrinsic(I->getIntrinsicID());
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    // Equivalent non-predicated opcode
-    unsigned getFunctionalOpcode() const {
-      return GetFunctionalOpcodeForVP(getIntrinsicID());
-    }
 
-    // Equivalent non-predicated opcode
-    static unsigned GetFunctionalOpcodeForVP(Intrinsic::ID ID);
-  };
 
-  /// This is the common base class for constrained floating point intrinsics.
-  class ConstrainedFPIntrinsic : public IntrinsicInst {
-  public:
-    bool isUnaryOp() const;
-    bool isTernaryOp() const;
-    Optional<RoundingMode> getRoundingMode() const;
-    Optional<fp::ExceptionBehavior> getExceptionBehavior() const;
 
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I);
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// Constrained floating point compare intrinsics.
-  class ConstrainedFPCmpIntrinsic : public ConstrainedFPIntrinsic {
-  public:
-    FCmpInst::Predicate getPredicate() const;
 
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::experimental_constrained_fcmp:
-      case Intrinsic::experimental_constrained_fcmps:
-        return true;
-      default: return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
+    default:
+      return false;
 
-  /// This class represents an intrinsic that is based on a binary operation.
-  /// This includes op.with.overflow and saturating add/sub intrinsics.
-  class BinaryOpIntrinsic : public IntrinsicInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::uadd_with_overflow:
-      case Intrinsic::sadd_with_overflow:
-      case Intrinsic::usub_with_overflow:
-      case Intrinsic::ssub_with_overflow:
-      case Intrinsic::umul_with_overflow:
-      case Intrinsic::smul_with_overflow:
-      case Intrinsic::uadd_sat:
-      case Intrinsic::sadd_sat:
-      case Intrinsic::usub_sat:
-      case Intrinsic::ssub_sat:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    Value *getLHS() const { return const_cast<Value*>(getArgOperand(0)); }
-    Value *getRHS() const { return const_cast<Value*>(getArgOperand(1)); }
+  Value *getLHS() const { return const_cast<Value *>(getArgOperand(0)); }
+  Value *getRHS() const { return const_cast<Value *>(getArgOperand(1)); }
 
-    /// Returns the binary operation underlying the intrinsic.
-    Instruction::BinaryOps getBinaryOp() const;
 
-    /// Whether the intrinsic is signed or unsigned.
-    bool isSigned() const;
 
-    /// Returns one of OBO::NoSignedWrap or OBO::NoUnsignedWrap.
-    unsigned getNoWrapKind() const;
-  };
 
-  /// Represents an op.with.overflow intrinsic.
-  class WithOverflowInst : public BinaryOpIntrinsic {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::uadd_with_overflow:
-      case Intrinsic::sadd_with_overflow:
-      case Intrinsic::usub_with_overflow:
-      case Intrinsic::ssub_with_overflow:
-      case Intrinsic::umul_with_overflow:
-      case Intrinsic::smul_with_overflow:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// Represents a saturating add/sub intrinsic.
-  class SaturatingInst : public BinaryOpIntrinsic {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::uadd_sat:
-      case Intrinsic::sadd_sat:
-      case Intrinsic::usub_sat:
-      case Intrinsic::ssub_sat:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// Common base class for all memory intrinsics. Simply provides
-  /// common methods.
-  /// Written as CRTP to avoid a common base class amongst the
-  /// three atomicity hierarchies.
-  template <typename Derived> class MemIntrinsicBase : public IntrinsicInst {
-  private:
-    enum { ARG_DEST = 0, ARG_LENGTH = 2 };
 
-  public:
-    Value *getRawDest() const {
-      return const_cast<Value *>(getArgOperand(ARG_DEST));
-    }
-    const Use &getRawDestUse() const { return getArgOperandUse(ARG_DEST); }
-    Use &getRawDestUse() { return getArgOperandUse(ARG_DEST); }
 
-    Value *getLength() const {
-      return const_cast<Value *>(getArgOperand(ARG_LENGTH));
-    }
-    const Use &getLengthUse() const { return getArgOperandUse(ARG_LENGTH); }
-    Use &getLengthUse() { return getArgOperandUse(ARG_LENGTH); }
 
-    /// This is just like getRawDest, but it strips off any cast
-    /// instructions (including addrspacecast) that feed it, giving the
-    /// original input.  The returned value is guaranteed to be a pointer.
-    Value *getDest() const { return getRawDest()->stripPointerCasts(); }
 
-    unsigned getDestAddressSpace() const {
-      return cast<PointerType>(getRawDest()->getType())->getAddressSpace();
-    }
 
-    /// FIXME: Remove this function once transition to Align is over.
-    /// Use getDestAlign() instead.
-    unsigned getDestAlignment() const {
-      if (auto MA = getParamAlign(ARG_DEST))
-        return MA->value();
-      return 0;
-    }
-    MaybeAlign getDestAlign() const { return getParamAlign(ARG_DEST); }
 
-    /// Set the specified arguments of the instruction.
-    void setDest(Value *Ptr) {
-      assert(getRawDest()->getType() == Ptr->getType() &&
-             "setDest called with pointer of wrong type!");
-      setArgOperand(ARG_DEST, Ptr);
-    }
 
-    /// FIXME: Remove this function once transition to Align is over.
-    /// Use the version that takes MaybeAlign instead of this one.
-    void setDestAlignment(unsigned Alignment) {
-      setDestAlignment(MaybeAlign(Alignment));
-    }
-    void setDestAlignment(MaybeAlign Alignment) {
-      removeParamAttr(ARG_DEST, Attribute::Alignment);
-      if (Alignment)
-        addParamAttr(ARG_DEST,
-                     Attribute::getWithAlignment(getContext(), *Alignment));
-    }
-    void setDestAlignment(Align Alignment) {
-      removeParamAttr(ARG_DEST, Attribute::Alignment);
-      addParamAttr(ARG_DEST,
-                   Attribute::getWithAlignment(getContext(), Alignment));
-    }
 
-    void setLength(Value *L) {
-      assert(getLength()->getType() == L->getType() &&
-             "setLength called with value of wrong type!");
-      setArgOperand(ARG_LENGTH, L);
-    }
-  };
 
-  /// Common base class for all memory transfer intrinsics. Simply provides
-  /// common methods.
-  template <class BaseCL> class MemTransferBase : public BaseCL {
-  private:
-    enum { ARG_SOURCE = 1 };
 
-  public:
-    /// Return the arguments to the instruction.
-    Value *getRawSource() const {
-      return const_cast<Value *>(BaseCL::getArgOperand(ARG_SOURCE));
-    }
-    const Use &getRawSourceUse() const {
-      return BaseCL::getArgOperandUse(ARG_SOURCE);
-    }
-    Use &getRawSourceUse() { return BaseCL::getArgOperandUse(ARG_SOURCE); }
 
-    /// This is just like getRawSource, but it strips off any cast
-    /// instructions that feed it, giving the original input.  The returned
-    /// value is guaranteed to be a pointer.
-    Value *getSource() const { return getRawSource()->stripPointerCasts(); }
 
-    unsigned getSourceAddressSpace() const {
-      return cast<PointerType>(getRawSource()->getType())->getAddressSpace();
-    }
 
-    /// FIXME: Remove this function once transition to Align is over.
-    /// Use getSourceAlign() instead.
-    unsigned getSourceAlignment() const {
-      if (auto MA = BaseCL::getParamAlign(ARG_SOURCE))
-        return MA->value();
-      return 0;
-    }
 
-    MaybeAlign getSourceAlign() const {
-      return BaseCL::getParamAlign(ARG_SOURCE);
-    }
 
-    void setSource(Value *Ptr) {
-      assert(getRawSource()->getType() == Ptr->getType() &&
-             "setSource called with pointer of wrong type!");
-      BaseCL::setArgOperand(ARG_SOURCE, Ptr);
-    }
 
-    /// FIXME: Remove this function once transition to Align is over.
-    /// Use the version that takes MaybeAlign instead of this one.
-    void setSourceAlignment(unsigned Alignment) {
-      setSourceAlignment(MaybeAlign(Alignment));
-    }
-    void setSourceAlignment(MaybeAlign Alignment) {
-      BaseCL::removeParamAttr(ARG_SOURCE, Attribute::Alignment);
-      if (Alignment)
-        BaseCL::addParamAttr(ARG_SOURCE, Attribute::getWithAlignment(
-                                             BaseCL::getContext(), *Alignment));
-    }
-    void setSourceAlignment(Align Alignment) {
-      BaseCL::removeParamAttr(ARG_SOURCE, Attribute::Alignment);
-      BaseCL::addParamAttr(ARG_SOURCE, Attribute::getWithAlignment(
-                                           BaseCL::getContext(), Alignment));
-    }
-  };
 
-  /// Common base class for all memset intrinsics. Simply provides
-  /// common methods.
-  template <class BaseCL> class MemSetBase : public BaseCL {
-  private:
-    enum { ARG_VALUE = 1 };
 
-  public:
-    Value *getValue() const {
-      return const_cast<Value *>(BaseCL::getArgOperand(ARG_VALUE));
-    }
-    const Use &getValueUse() const {
-      return BaseCL::getArgOperandUse(ARG_VALUE);
-    }
-    Use &getValueUse() { return BaseCL::getArgOperandUse(ARG_VALUE); }
+  const Use &getValueUse() const { return BaseCL::getArgOperandUse(ARG_VALUE); }
 
-    void setValue(Value *Val) {
-      assert(getValue()->getType() == Val->getType() &&
-             "setValue called with value of wrong type!");
-      BaseCL::setArgOperand(ARG_VALUE, Val);
-    }
-  };
 
-  // The common base class for the atomic memset/memmove/memcpy intrinsics
-  // i.e. llvm.element.unordered.atomic.memset/memcpy/memmove
-  class AtomicMemIntrinsic : public MemIntrinsicBase<AtomicMemIntrinsic> {
-  private:
-    enum { ARG_ELEMENTSIZE = 3 };
 
-  public:
-    Value *getRawElementSizeInBytes() const {
-      return const_cast<Value *>(getArgOperand(ARG_ELEMENTSIZE));
-    }
 
-    ConstantInt *getElementSizeInBytesCst() const {
-      return cast<ConstantInt>(getRawElementSizeInBytes());
-    }
 
-    uint32_t getElementSizeInBytes() const {
-      return getElementSizeInBytesCst()->getZExtValue();
-    }
 
-    void setElementSizeInBytes(Constant *V) {
-      assert(V->getType() == Type::getInt8Ty(getContext()) &&
-             "setElementSizeInBytes called with value of wrong type!");
-      setArgOperand(ARG_ELEMENTSIZE, V);
-    }
 
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy_element_unordered_atomic:
-      case Intrinsic::memmove_element_unordered_atomic:
-      case Intrinsic::memset_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class represents atomic memset intrinsic
-  // i.e. llvm.element.unordered.atomic.memset
-  class AtomicMemSetInst : public MemSetBase<AtomicMemIntrinsic> {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memset_element_unordered_atomic;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  // This class wraps the atomic memcpy/memmove intrinsics
-  // i.e. llvm.element.unordered.atomic.memcpy/memmove
-  class AtomicMemTransferInst : public MemTransferBase<AtomicMemIntrinsic> {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy_element_unordered_atomic:
-      case Intrinsic::memmove_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class represents the atomic memcpy intrinsic
-  /// i.e. llvm.element.unordered.atomic.memcpy
-  class AtomicMemCpyInst : public AtomicMemTransferInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memcpy_element_unordered_atomic;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class represents the atomic memmove intrinsic
-  /// i.e. llvm.element.unordered.atomic.memmove
-  class AtomicMemMoveInst : public AtomicMemTransferInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memmove_element_unordered_atomic;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This is the common base class for memset/memcpy/memmove.
-  class MemIntrinsic : public MemIntrinsicBase<MemIntrinsic> {
-  private:
-    enum { ARG_VOLATILE = 3 };
 
-  public:
-    ConstantInt *getVolatileCst() const {
-      return cast<ConstantInt>(
-          const_cast<Value *>(getArgOperand(ARG_VOLATILE)));
-    }
+    return cast<ConstantInt>(const_cast<Value *>(getArgOperand(ARG_VOLATILE)));
 
-    bool isVolatile() const {
-      return !getVolatileCst()->isZero();
-    }
+  bool isVolatile() const { return !getVolatileCst()->isZero(); }
 
-    void setVolatile(Constant *V) { setArgOperand(ARG_VOLATILE, V); }
 
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy:
-      case Intrinsic::memmove:
-      case Intrinsic::memset:
-      case Intrinsic::memcpy_inline:
-        return true;
-      default: return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
+    default:
+      return false;
 
-  /// This class wraps the llvm.memset intrinsic.
-  class MemSetInst : public MemSetBase<MemIntrinsic> {
-  public:
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memset;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class wraps the llvm.memcpy/memmove intrinsics.
-  class MemTransferInst : public MemTransferBase<MemIntrinsic> {
-  public:
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy:
-      case Intrinsic::memmove:
-      case Intrinsic::memcpy_inline:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class wraps the llvm.memcpy intrinsic.
-  class MemCpyInst : public MemTransferInst {
-  public:
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memcpy;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class wraps the llvm.memmove intrinsic.
-  class MemMoveInst : public MemTransferInst {
-  public:
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memmove;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class wraps the llvm.memcpy.inline intrinsic.
-  class MemCpyInlineInst : public MemTransferInst {
-  public:
-    ConstantInt *getLength() const {
-      return cast<ConstantInt>(MemTransferInst::getLength());
-    }
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::memcpy_inline;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  // The common base class for any memset/memmove/memcpy intrinsics;
-  // whether they be atomic or non-atomic.
-  // i.e. llvm.element.unordered.atomic.memset/memcpy/memmove
-  //  and llvm.memset/memcpy/memmove
-  class AnyMemIntrinsic : public MemIntrinsicBase<AnyMemIntrinsic> {
-  public:
-    bool isVolatile() const {
-      // Only the non-atomic intrinsics can be volatile
-      if (auto *MI = dyn_cast<MemIntrinsic>(this))
-        return MI->isVolatile();
-      return false;
-    }
 
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy:
-      case Intrinsic::memcpy_inline:
-      case Intrinsic::memmove:
-      case Intrinsic::memset:
-      case Intrinsic::memcpy_element_unordered_atomic:
-      case Intrinsic::memmove_element_unordered_atomic:
-      case Intrinsic::memset_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class represents any memset intrinsic
-  // i.e. llvm.element.unordered.atomic.memset
-  // and  llvm.memset
-  class AnyMemSetInst : public MemSetBase<AnyMemIntrinsic> {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memset:
-      case Intrinsic::memset_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  // This class wraps any memcpy/memmove intrinsics
-  // i.e. llvm.element.unordered.atomic.memcpy/memmove
-  // and  llvm.memcpy/memmove
-  class AnyMemTransferInst : public MemTransferBase<AnyMemIntrinsic> {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy:
-      case Intrinsic::memcpy_inline:
-      case Intrinsic::memmove:
-      case Intrinsic::memcpy_element_unordered_atomic:
-      case Intrinsic::memmove_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class represents any memcpy intrinsic
-  /// i.e. llvm.element.unordered.atomic.memcpy
-  ///  and llvm.memcpy
-  class AnyMemCpyInst : public AnyMemTransferInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memcpy:
-      case Intrinsic::memcpy_inline:
-      case Intrinsic::memcpy_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This class represents any memmove intrinsic
-  /// i.e. llvm.element.unordered.atomic.memmove
-  ///  and llvm.memmove
-  class AnyMemMoveInst : public AnyMemTransferInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::memmove:
-      case Intrinsic::memmove_element_unordered_atomic:
-        return true;
-      default:
-        return false;
-      }
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This represents the llvm.va_start intrinsic.
-  class VAStartInst : public IntrinsicInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::vastart;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
-  };
+  Value *getArgList() const { return const_cast<Value *>(getArgOperand(0)); }
 
-  /// This represents the llvm.va_end intrinsic.
-  class VAEndInst : public IntrinsicInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::vaend;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
-  };
+  Value *getArgList() const { return const_cast<Value *>(getArgOperand(0)); }
 
-  /// This represents the llvm.va_copy intrinsic.
-  class VACopyInst : public IntrinsicInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::vacopy;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    Value *getDest() const { return const_cast<Value*>(getArgOperand(0)); }
-    Value *getSrc() const { return const_cast<Value*>(getArgOperand(1)); }
-  };
+  Value *getDest() const { return const_cast<Value *>(getArgOperand(0)); }
+  Value *getSrc() const { return const_cast<Value *>(getArgOperand(1)); }
 
-  /// This represents the llvm.instrprof_increment intrinsic.
-  class InstrProfIncrementInst : public IntrinsicInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::instrprof_increment;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    GlobalVariable *getName() const {
-      return cast<GlobalVariable>(
-          const_cast<Value *>(getArgOperand(0))->stripPointerCasts());
-    }
 
-    ConstantInt *getHash() const {
-      return cast<ConstantInt>(const_cast<Value *>(getArgOperand(1)));
-    }
 
-    ConstantInt *getNumCounters() const {
-      return cast<ConstantInt>(const_cast<Value *>(getArgOperand(2)));
-    }
 
-    ConstantInt *getIndex() const {
-      return cast<ConstantInt>(const_cast<Value *>(getArgOperand(3)));
-    }
 
-    Value *getStep() const;
-  };
 
-  class InstrProfIncrementInstStep : public InstrProfIncrementInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::instrprof_increment_step;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
 
-  /// This represents the llvm.instrprof_value_profile intrinsic.
-  class InstrProfValueProfileInst : public IntrinsicInst {
-  public:
-    static bool classof(const IntrinsicInst *I) {
-      return I->getIntrinsicID() == Intrinsic::instrprof_value_profile;
-    }
-    static bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
 
-    GlobalVariable *getName() const {
-      return cast<GlobalVariable>(
-          const_cast<Value *>(getArgOperand(0))->stripPointerCasts());
-    }
 
-    ConstantInt *getHash() const {
-      return cast<ConstantInt>(const_cast<Value *>(getArgOperand(1)));
-    }
 
-    Value *getTargetValue() const {
-      return cast<Value>(const_cast<Value *>(getArgOperand(2)));
-    }
 
-    ConstantInt *getValueKind() const {
-      return cast<ConstantInt>(const_cast<Value *>(getArgOperand(3)));
-    }
 
-    // Returns the value site index.
-    ConstantInt *getIndex() const {
-      return cast<ConstantInt>(const_cast<Value *>(getArgOperand(4)));
-    }
-  };
 
 } // end namespace llvm
 
 #endif // LLVM_IR_INTRINSICINST_H

llvm/lib/IR/IntrinsicInst.cpp

 //
 // In some cases, arguments to intrinsics need to be generic and are defined as
 // type pointer to empty struct { }*.  To access the real item of interest the
 // cast instruction needs to be stripped away.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/IR/IntrinsicInst.h"
-#include "llvm/IR/Operator.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
 #include "llvm/IR/PatternMatch.h"
 
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
 /// DbgVariableIntrinsic - This is the common base class for debug info
 /// intrinsics for variables.
ConstrainedFPIntrinsic::getExceptionBehavior() const {
   unsigned NumOperands = getNumArgOperands();
   Metadata *MD =
       cast<MetadataAsValue>(getArgOperand(NumOperands - 1))->getMetadata();
   if (!MD || !isa<MDString>(MD))
     return None;
   return StrToExceptionBehavior(cast<MDString>(MD)->getString());
 }
 
-FCmpInst::Predicate
-ConstrainedFPCmpIntrinsic::getPredicate() const {
-  Metadata *MD =
-      cast<MetadataAsValue>(getArgOperand(2))->getMetadata();
+FCmpInst::Predicate ConstrainedFPCmpIntrinsic::getPredicate() const {
+  Metadata *MD = cast<MetadataAsValue>(getArgOperand(2))->getMetadata();
   if (!MD || !isa<MDString>(MD))
     return FCmpInst::BAD_FCMP_PREDICATE;
   return StringSwitch<FCmpInst::Predicate>(cast<MDString>(MD)->getString())
-           .Case("oeq", FCmpInst::FCMP_OEQ)
-           .Case("ogt", FCmpInst::FCMP_OGT)
-           .Case("oge", FCmpInst::FCMP_OGE)
-           .Case("olt", FCmpInst::FCMP_OLT)
-           .Case("ole", FCmpInst::FCMP_OLE)
-           .Case("one", FCmpInst::FCMP_ONE)
-           .Case("ord", FCmpInst::FCMP_ORD)
-           .Case("uno", FCmpInst::FCMP_UNO)
-           .Case("ueq", FCmpInst::FCMP_UEQ)
-           .Case("ugt", FCmpInst::FCMP_UGT)
-           .Case("uge", FCmpInst::FCMP_UGE)
-           .Case("ult", FCmpInst::FCMP_ULT)
-           .Case("ule", FCmpInst::FCMP_ULE)
-           .Case("une", FCmpInst::FCMP_UNE)
-           .Default(FCmpInst::BAD_FCMP_PREDICATE);
 }
 
 bool ConstrainedFPIntrinsic::isUnaryOp() const {
   switch (getIntrinsicID()) {
-    default:
-      return false;
 #define INSTRUCTION(NAME, NARG, ROUND_MODE, INTRINSIC)                         \
-    case Intrinsic::INTRINSIC:                                                 \
-      return NARG == 1;
+  case Intrinsic::INTRINSIC:                                                   \
 #include "llvm/IR/ConstrainedOps.def"
   }
 }
 
 bool ConstrainedFPIntrinsic::isTernaryOp() const {
   switch (getIntrinsicID()) {
-    default:
-      return false;
 #define INSTRUCTION(NAME, NARG, ROUND_MODE, INTRINSIC)                         \
-    case Intrinsic::INTRINSIC:                                                 \
-      return NARG == 3;
+  case Intrinsic::INTRINSIC:                                                   \
 #include "llvm/IR/ConstrainedOps.def"
   }
 }
 
 bool ConstrainedFPIntrinsic::classof(const IntrinsicInst *I) {
   switch (I->getIntrinsicID()) {
 #define INSTRUCTION(NAME, NARGS, ROUND_MODE, INTRINSIC)                        \
   case Intrinsic::INTRINSIC:
bool VPIntrinsic::canIgnoreVectorLengthParam() const {
   if (VLNum >= EC.Min)
     return true;
 
   return false;
 }
 
 Instruction::BinaryOps BinaryOpIntrinsic::getBinaryOp() const {
   switch (getIntrinsicID()) {
-    case Intrinsic::uadd_with_overflow:
-    case Intrinsic::sadd_with_overflow:
-    case Intrinsic::uadd_sat:
-    case Intrinsic::sadd_sat:
-      return Instruction::Add;
-    case Intrinsic::usub_with_overflow:
-    case Intrinsic::ssub_with_overflow:
-    case Intrinsic::usub_sat:
-    case Intrinsic::ssub_sat:
-      return Instruction::Sub;
-    case Intrinsic::umul_with_overflow:
-    case Intrinsic::smul_with_overflow:
-      return Instruction::Mul;
-    default:
-      llvm_unreachable("Invalid intrinsic");
   }
 }
 
 bool BinaryOpIntrinsic::isSigned() const {
   switch (getIntrinsicID()) {
-    case Intrinsic::sadd_with_overflow:
-    case Intrinsic::ssub_with_overflow:
-    case Intrinsic::smul_with_overflow:
-    case Intrinsic::sadd_sat:
-    case Intrinsic::ssub_sat:
-      return true;
-    default:
-      return false;
   }
 }
 
 unsigned BinaryOpIntrinsic::getNoWrapKind() const {
   if (isSigned())
     return OverflowingBinaryOperator::NoSignedWrap;
   else
     return OverflowingBinaryOperator::NoUnsignedWrap;
 }