template <typename T> struct simplify_type;
template <typename T> struct ilist_traits;
-/// isBinOpWithFlags - Returns true if the opcode is a binary operation
-/// with flags.
+/// Returns true if the opcode is a binary operation with flags.
static bool isBinOpWithFlags(unsigned Opcode) {
switch (Opcode) {
case ISD::SDIV:
void checkForCycles(const SDNode *N, const SelectionDAG *DAG = nullptr,
bool force = false);
-/// SDVTList - This represents a list of ValueType's that has been intern'd by
+/// This represents a list of ValueType's that has been intern'd by
/// a SelectionDAG. Instances of this simple value class are returned by
/// SelectionDAG::getVTList(...).
///
namespace ISD {
/// Node predicates
- /// isBuildVectorAllOnes - Return true if the specified node is a
+ /// Return true if the specified node is a
/// BUILD_VECTOR where all of the elements are ~0 or undef.
bool isBuildVectorAllOnes(const SDNode *N);
- /// isBuildVectorAllZeros - Return true if the specified node is a
+ /// Return true if the specified node is a
/// BUILD_VECTOR where all of the elements are 0 or undef.
bool isBuildVectorAllZeros(const SDNode *N);
/// all ConstantSDNode or undef.
bool isBuildVectorOfConstantSDNodes(const SDNode *N);
- /// isScalarToVector - Return true if the specified node is a
+ /// Return true if the specified node is a
/// ISD::SCALAR_TO_VECTOR node or a BUILD_VECTOR node where only the low
/// element is not an undef.
bool isScalarToVector(const SDNode *N);
- /// allOperandsUndef - Return true if the node has at least one operand
+ /// Return true if the node has at least one operand
/// and all operands of the specified node are ISD::UNDEF.
bool allOperandsUndef(const SDNode *N);
} // end llvm:ISD namespace
//===----------------------------------------------------------------------===//
-/// SDValue - Unlike LLVM values, Selection DAG nodes may return multiple
+/// Unlike LLVM values, Selection DAG nodes may return multiple
/// values as the result of a computation. Many nodes return multiple values,
/// from loads (which define a token and a return value) to ADDC (which returns
/// a result and a carry value), to calls (which may return an arbitrary number
return SDValue(Node, R);
}
- // isOperandOf - Return true if this node is an operand of N.
+ // Return true if this node is an operand of N.
bool isOperandOf(SDNode *N) const;
- /// getValueType - Return the ValueType of the referenced return value.
- ///
+ /// Return the ValueType of the referenced return value.
inline EVT getValueType() const;
/// Return the simple ValueType of the referenced return value.
return getValueType().getSimpleVT();
}
- /// getValueSizeInBits - Returns the size of the value in bits.
- ///
+ /// Returns the size of the value in bits.
unsigned getValueSizeInBits() const {
return getValueType().getSizeInBits();
}
inline void dump() const;
inline void dumpr() const;
- /// reachesChainWithoutSideEffects - Return true if this operand (which must
- /// be a chain) reaches the specified operand without crossing any
- /// side-effecting instructions. In practice, this looks through token
- /// factors and non-volatile loads. In order to remain efficient, this only
+ /// Return true if this operand (which must be a chain) reaches the
+ /// specified operand without crossing any side-effecting instructions.
+ /// In practice, this looks through token factors and non-volatile loads.
+ /// In order to remain efficient, this only
/// looks a couple of nodes in, it does not do an exhaustive search.
bool reachesChainWithoutSideEffects(SDValue Dest,
unsigned Depth = 2) const;
- /// use_empty - Return true if there are no nodes using value ResNo
- /// of Node.
- ///
+ /// Return true if there are no nodes using value ResNo of Node.
inline bool use_empty() const;
- /// hasOneUse - Return true if there is exactly one node using value
- /// ResNo of Node.
- ///
+ /// Return true if there is exactly one node using value ResNo of Node.
inline bool hasOneUse() const;
};
template <> struct isPodLike<SDValue> { static const bool value = true; };
-/// simplify_type specializations - Allow casting operators to work directly on
+/// Allow casting operators to work directly on
/// SDValues as if they were SDNode*'s.
template<> struct simplify_type<SDValue> {
typedef SDNode* SimpleType;
}
};
-/// SDUse - Represents a use of a SDNode. This class holds an SDValue,
+/// Represents a use of a SDNode. This class holds an SDValue,
/// which records the SDNode being used and the result number, a
/// pointer to the SDNode using the value, and Next and Prev pointers,
/// which link together all the uses of an SDNode.
/// the SDValue.
const SDValue &get() const { return Val; }
- /// getUser - This returns the SDNode that contains this Use.
+ /// This returns the SDNode that contains this Use.
SDNode *getUser() { return User; }
- /// getNext - Get the next SDUse in the use list.
+ /// Get the next SDUse in the use list.
SDUse *getNext() const { return Next; }
- /// getNode - Convenience function for get().getNode().
+ /// Convenience function for get().getNode().
SDNode *getNode() const { return Val.getNode(); }
- /// getResNo - Convenience function for get().getResNo().
+ /// Convenience function for get().getResNo().
unsigned getResNo() const { return Val.getResNo(); }
- /// getValueType - Convenience function for get().getValueType().
+ /// Convenience function for get().getValueType().
EVT getValueType() const { return Val.getValueType(); }
- /// operator== - Convenience function for get().operator==
+ /// Convenience function for get().operator==
bool operator==(const SDValue &V) const {
return Val == V;
}
- /// operator!= - Convenience function for get().operator!=
+ /// Convenience function for get().operator!=
bool operator!=(const SDValue &V) const {
return Val != V;
}
- /// operator< - Convenience function for get().operator<
+ /// Convenience function for get().operator<
bool operator<(const SDValue &V) const {
return Val < V;
}
void setUser(SDNode *p) { User = p; }
- /// set - Remove this use from its existing use list, assign it the
+ /// Remove this use from its existing use list, assign it the
/// given value, and add it to the new value's node's use list.
inline void set(const SDValue &V);
- /// setInitial - like set, but only supports initializing a newly-allocated
+ /// Like set, but only supports initializing a newly-allocated
/// SDUse with a non-null value.
inline void setInitial(const SDValue &V);
- /// setNode - like set, but only sets the Node portion of the value,
+ /// Like set, but only sets the Node portion of the value,
/// leaving the ResNo portion unmodified.
inline void setNode(SDNode *N);
};
-/// SDNode - Represents one node in the SelectionDAG.
+/// Represents one node in the SelectionDAG.
///
class SDNode : public FoldingSetNode, public ilist_node<SDNode> {
private:
- /// NodeType - The operation that this node performs.
- ///
+ /// The operation that this node performs.
int16_t NodeType;
- /// OperandsNeedDelete - This is true if OperandList was new[]'d. If true,
+ /// This is true if OperandList was new[]'d. If true,
/// then they will be delete[]'d when the node is destroyed.
uint16_t OperandsNeedDelete : 1;
- /// HasDebugValue - This tracks whether this node has one or more dbg_value
+ /// This tracks whether this node has one or more dbg_value
/// nodes corresponding to it.
uint16_t HasDebugValue : 1;
protected:
- /// SubclassData - This member is defined by this class, but is not used for
+ /// This member is defined by this class, but is not used for
/// anything. Subclasses can use it to hold whatever state they find useful.
/// This field is initialized to zero by the ctor.
uint16_t SubclassData : 14;
private:
- /// NodeId - Unique id per SDNode in the DAG.
+ /// Unique id per SDNode in the DAG.
int NodeId;
- /// OperandList - The values that are used by this operation.
- ///
+ /// The values that are used by this operation.
SDUse *OperandList;
- /// ValueList - The types of the values this node defines. SDNode's may
+ /// The types of the values this node defines. SDNode's may
/// define multiple values simultaneously.
const EVT *ValueList;
- /// UseList - List of uses for this SDNode.
+ /// List of uses for this SDNode.
SDUse *UseList;
- /// NumOperands/NumValues - The number of entries in the Operand/Value list.
+ /// The number of entries in the Operand/Value list.
unsigned short NumOperands, NumValues;
- /// debugLoc - source line information.
+ /// Source line information.
DebugLoc debugLoc;
// The ordering of the SDNodes. It roughly corresponds to the ordering of the
// this ordering.
unsigned IROrder;
- /// getValueTypeList - Return a pointer to the specified value type.
+ /// Return a pointer to the specified value type.
static const EVT *getValueTypeList(EVT VT);
friend class SelectionDAG;
// Accessors
//
- /// getOpcode - Return the SelectionDAG opcode value for this node. For
+ /// Return the SelectionDAG opcode value for this node. For
/// pre-isel nodes (those for which isMachineOpcode returns false), these
/// are the opcode values in the ISD and <target>ISD namespaces. For
/// post-isel opcodes, see getMachineOpcode.
unsigned getOpcode() const { return (unsigned short)NodeType; }
- /// isTargetOpcode - Test if this node has a target-specific opcode (in the
+ /// Test if this node has a target-specific opcode (in the
/// \<target\>ISD namespace).
bool isTargetOpcode() const { return NodeType >= ISD::BUILTIN_OP_END; }
- /// isTargetMemoryOpcode - Test if this node has a target-specific
+ /// Test if this node has a target-specific
/// memory-referencing opcode (in the \<target\>ISD namespace and
/// greater than FIRST_TARGET_MEMORY_OPCODE).
bool isTargetMemoryOpcode() const {
NodeType == ISD::INTRINSIC_VOID) && ((SubclassData >> 13) & 1);
}
- /// isMachineOpcode - Test if this node has a post-isel opcode, directly
+ /// Test if this node has a post-isel opcode, directly
/// corresponding to a MachineInstr opcode.
bool isMachineOpcode() const { return NodeType < 0; }
- /// getMachineOpcode - This may only be called if isMachineOpcode returns
+ /// This may only be called if isMachineOpcode returns
/// true. It returns the MachineInstr opcode value that the node's opcode
/// corresponds to.
unsigned getMachineOpcode() const {
return ~NodeType;
}
- /// getHasDebugValue - get this bit.
+ /// Get this bit.
bool getHasDebugValue() const { return HasDebugValue; }
- /// setHasDebugValue - set this bit.
+ /// Set this bit.
void setHasDebugValue(bool b) { HasDebugValue = b; }
- /// use_empty - Return true if there are no uses of this node.
- ///
+ /// Return true if there are no uses of this node.
bool use_empty() const { return UseList == nullptr; }
- /// hasOneUse - Return true if there is exactly one use of this node.
- ///
+ /// Return true if there is exactly one use of this node.
bool hasOneUse() const {
return !use_empty() && std::next(use_begin()) == use_end();
}
- /// use_size - Return the number of uses of this node. This method takes
+ /// Return the number of uses of this node. This method takes
/// time proportional to the number of uses.
- ///
size_t use_size() const { return std::distance(use_begin(), use_end()); }
- /// getNodeId - Return the unique node id.
- ///
+ /// Return the unique node id.
int getNodeId() const { return NodeId; }
- /// setNodeId - Set unique node id.
+ /// Set unique node id.
void setNodeId(int Id) { NodeId = Id; }
- /// getIROrder - Return the node ordering.
- ///
+ /// Return the node ordering.
unsigned getIROrder() const { return IROrder; }
- /// setIROrder - Set the node ordering.
- ///
+ /// Set the node ordering.
void setIROrder(unsigned Order) { IROrder = Order; }
- /// getDebugLoc - Return the source location info.
+ /// Return the source location info.
const DebugLoc &getDebugLoc() const { return debugLoc; }
- /// setDebugLoc - Set source location info. Try to avoid this, putting
+ /// Set source location info. Try to avoid this, putting
/// it in the constructor is preferable.
void setDebugLoc(DebugLoc dl) { debugLoc = std::move(dl); }
- /// use_iterator - This class provides iterator support for SDUse
+ /// This class provides iterator support for SDUse
/// operands that use a specific SDNode.
class use_iterator
: public std::iterator<std::forward_iterator_tag, SDUse, ptrdiff_t> {
return !operator==(x);
}
- /// atEnd - return true if this iterator is at the end of uses list.
+ /// Return true if this iterator is at the end of uses list.
bool atEnd() const { return Op == nullptr; }
// Iterator traversal: forward iteration only.
SDUse &getUse() const { return *Op; }
- /// getOperandNo - Retrieve the operand # of this use in its user.
- ///
+ /// Retrieve the operand # of this use in its user.
unsigned getOperandNo() const {
assert(Op && "Cannot dereference end iterator!");
return (unsigned)(Op - Op->getUser()->OperandList);
}
};
- /// use_begin/use_end - Provide iteration support to walk over all uses
- /// of an SDNode.
-
+ /// Provide iteration support to walk over all uses of an SDNode.
use_iterator use_begin() const {
return use_iterator(UseList);
}
return iterator_range<use_iterator>(use_begin(), use_end());
}
- /// hasNUsesOfValue - Return true if there are exactly NUSES uses of the
- /// indicated value. This method ignores uses of other values defined by this
- /// operation.
+ /// Return true if there are exactly NUSES uses of the indicated value.
+ /// This method ignores uses of other values defined by this operation.
bool hasNUsesOfValue(unsigned NUses, unsigned Value) const;
- /// hasAnyUseOfValue - Return true if there are any use of the indicated
- /// value. This method ignores uses of other values defined by this operation.
+ /// Return true if there are any use of the indicated value.
+ /// This method ignores uses of other values defined by this operation.
bool hasAnyUseOfValue(unsigned Value) const;
- /// isOnlyUserOf - Return true if this node is the only use of N.
- ///
+ /// Return true if this node is the only use of N.
bool isOnlyUserOf(SDNode *N) const;
- /// isOperandOf - Return true if this node is an operand of N.
- ///
+ /// Return true if this node is an operand of N.
bool isOperandOf(SDNode *N) const;
- /// isPredecessorOf - Return true if this node is a predecessor of N.
+ /// Return true if this node is a predecessor of N.
/// NOTE: Implemented on top of hasPredecessor and every bit as
/// expensive. Use carefully.
bool isPredecessorOf(const SDNode *N) const {
return N->hasPredecessor(this);
}
- /// hasPredecessor - Return true if N is a predecessor of this node.
+ /// Return true if N is a predecessor of this node.
/// N is either an operand of this node, or can be reached by recursively
/// traversing up the operands.
/// NOTE: This is an expensive method. Use it carefully.
bool hasPredecessor(const SDNode *N) const;
- /// hasPredecesorHelper - Return true if N is a predecessor of this node.
+ /// Return true if N is a predecessor of this node.
/// N is either an operand of this node, or can be reached by recursively
/// traversing up the operands.
/// In this helper the Visited and worklist sets are held externally to
SmallPtrSetImpl<const SDNode *> &Visited,
SmallVectorImpl<const SDNode *> &Worklist) const;
- /// getNumOperands - Return the number of values used by this operation.
- ///
+ /// Return the number of values used by this operation.
unsigned getNumOperands() const { return NumOperands; }
- /// getConstantOperandVal - Helper method returns the integer value of a
- /// ConstantSDNode operand.
+ /// Helper method returns the integer value of a ConstantSDNode operand.
uint64_t getConstantOperandVal(unsigned Num) const;
const SDValue &getOperand(unsigned Num) const {
return X;
}
- /// getGluedNode - If this node has a glue operand, return the node
+ /// If this node has a glue operand, return the node
/// to which the glue operand points. Otherwise return NULL.
SDNode *getGluedNode() const {
if (getNumOperands() != 0 &&
return FoundNode;
}
- /// getGluedUser - If this node has a glue value with a user, return
+ /// If this node has a glue value with a user, return
/// the user (there is at most one). Otherwise return NULL.
SDNode *getGluedUser() const {
for (use_iterator UI = use_begin(), UE = use_end(); UI != UE; ++UI)
return nullptr;
}
- /// getNumValues - Return the number of values defined/returned by this
- /// operator.
- ///
+ /// Return the number of values defined/returned by this operator.
unsigned getNumValues() const { return NumValues; }
- /// getValueType - Return the type of a specified result.
- ///
+ /// Return the type of a specified result.
EVT getValueType(unsigned ResNo) const {
assert(ResNo < NumValues && "Illegal result number!");
return ValueList[ResNo];
}
/// Return the type of a specified result as a simple type.
- ///
MVT getSimpleValueType(unsigned ResNo) const {
return getValueType(ResNo).getSimpleVT();
}
- /// getValueSizeInBits - Returns MVT::getSizeInBits(getValueType(ResNo)).
- ///
+ /// Returns MVT::getSizeInBits(getValueType(ResNo)).
unsigned getValueSizeInBits(unsigned ResNo) const {
return getValueType(ResNo).getSizeInBits();
}
value_iterator value_begin() const { return ValueList; }
value_iterator value_end() const { return ValueList+NumValues; }
- /// getOperationName - Return the opcode of this operation for printing.
- ///
+ /// Return the opcode of this operation for printing.
std::string getOperationName(const SelectionDAG *G = nullptr) const;
static const char* getIndexedModeName(ISD::MemIndexedMode AM);
void print_types(raw_ostream &OS, const SelectionDAG *G) const;
void print(raw_ostream &OS, const SelectionDAG *G = nullptr) const;
void printr(raw_ostream &OS, const SelectionDAG *G = nullptr) const;
- /// printrFull - Print a SelectionDAG node and all children down to
+ /// Print a SelectionDAG node and all children down to
/// the leaves. The given SelectionDAG allows target-specific nodes
/// to be printed in human-readable form. Unlike printr, this will
/// print the whole DAG, including children that appear multiple
///
void printrFull(raw_ostream &O, const SelectionDAG *G = nullptr) const;
- /// printrWithDepth - Print a SelectionDAG node and children up to
+ /// Print a SelectionDAG node and children up to
/// depth "depth." The given SelectionDAG allows target-specific
/// nodes to be printed in human-readable form. Unlike printr, this
/// will print children that appear multiple times wherever they are
unsigned depth = 100) const;
- /// dump - Dump this node, for debugging.
+ /// Dump this node, for debugging.
void dump() const;
- /// dumpr - Dump (recursively) this node and its use-def subgraph.
+ /// Dump (recursively) this node and its use-def subgraph.
void dumpr() const;
- /// dump - Dump this node, for debugging.
+ /// Dump this node, for debugging.
/// The given SelectionDAG allows target-specific nodes to be printed
/// in human-readable form.
void dump(const SelectionDAG *G) const;
- /// dumpr - Dump (recursively) this node and its use-def subgraph.
+ /// Dump (recursively) this node and its use-def subgraph.
/// The given SelectionDAG allows target-specific nodes to be printed
/// in human-readable form.
void dumpr(const SelectionDAG *G) const;
- /// dumprFull - printrFull to dbgs(). The given SelectionDAG allows
+ /// printrFull to dbgs(). The given SelectionDAG allows
/// target-specific nodes to be printed in human-readable form.
/// Unlike dumpr, this will print the whole DAG, including children
/// that appear multiple times.
- ///
void dumprFull(const SelectionDAG *G = nullptr) const;
- /// dumprWithDepth - printrWithDepth to dbgs(). The given
+ /// printrWithDepth to dbgs(). The given
/// SelectionDAG allows target-specific nodes to be printed in
/// human-readable form. Unlike dumpr, this will print children
/// that appear multiple times wherever they are used.
void dumprWithDepth(const SelectionDAG *G = nullptr,
unsigned depth = 100) const;
- /// Profile - Gather unique data for the node.
- ///
+ /// Gather unique data for the node.
void Profile(FoldingSetNodeID &ID) const;
- /// addUse - This method should only be used by the SDUse class.
- ///
+ /// This method should only be used by the SDUse class.
void addUse(SDUse &U) { U.addToList(&UseList); }
protected:
"NumValues wasn't wide enough for its operands!");
}
- /// InitOperands - Initialize the operands list of this with 1 operand.
+ /// Initialize the operands list of this with 1 operand.
void InitOperands(SDUse *Ops, const SDValue &Op0) {
Ops[0].setUser(this);
Ops[0].setInitial(Op0);
checkForCycles(this);
}
- /// InitOperands - Initialize the operands list of this with 2 operands.
+ /// Initialize the operands list of this with 2 operands.
void InitOperands(SDUse *Ops, const SDValue &Op0, const SDValue &Op1) {
Ops[0].setUser(this);
Ops[0].setInitial(Op0);
checkForCycles(this);
}
- /// InitOperands - Initialize the operands list of this with 3 operands.
+ /// Initialize the operands list of this with 3 operands.
void InitOperands(SDUse *Ops, const SDValue &Op0, const SDValue &Op1,
const SDValue &Op2) {
Ops[0].setUser(this);
checkForCycles(this);
}
- /// InitOperands - Initialize the operands list of this with 4 operands.
+ /// Initialize the operands list of this with 4 operands.
void InitOperands(SDUse *Ops, const SDValue &Op0, const SDValue &Op1,
const SDValue &Op2, const SDValue &Op3) {
Ops[0].setUser(this);
checkForCycles(this);
}
- /// InitOperands - Initialize the operands list of this with N operands.
+ /// Initialize the operands list of this with N operands.
void InitOperands(SDUse *Ops, const SDValue *Vals, unsigned N) {
for (unsigned i = 0; i != N; ++i) {
Ops[i].setUser(this);
checkForCycles(this);
}
- /// DropOperands - Release the operands and set this node to have
- /// zero operands.
+ /// Release the operands and set this node to have zero operands.
void DropOperands();
};
if (N) N->addUse(*this);
}
-/// UnarySDNode - This class is used for single-operand SDNodes. This is solely
+/// This class is used for single-operand SDNodes. This is solely
/// to allow co-allocation of node operands with the node itself.
class UnarySDNode : public SDNode {
SDUse Op;
}
};
-/// BinarySDNode - This class is used for two-operand SDNodes. This is solely
+/// This class is used for two-operand SDNodes. This is solely
/// to allow co-allocation of node operands with the node itself.
class BinarySDNode : public SDNode {
SDUse Ops[2];
}
};
-/// BinaryWithFlagsSDNode - This class is an extension of BinarySDNode
+/// This class is an extension of BinarySDNode
/// used from those opcodes that have associated extra flags.
class BinaryWithFlagsSDNode : public BinarySDNode {
enum { NUW = (1 << 0), NSW = (1 << 1), EXACT = (1 << 2) };
BinaryWithFlagsSDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs,
SDValue X, SDValue Y)
: BinarySDNode(Opc, Order, dl, VTs, X, Y) {}
- /// getRawSubclassData - Return the SubclassData value, which contains an
- /// encoding of the flags.
+ /// Return the SubclassData value, which contains an encoding of the flags.
/// This function should be used to add subclass data to the NodeID value.
unsigned getRawSubclassData() const { return SubclassData; }
void setHasNoUnsignedWrap(bool b) {
}
};
-/// TernarySDNode - This class is used for three-operand SDNodes. This is solely
+/// This class is used for three-operand SDNodes. This is solely
/// to allow co-allocation of node operands with the node itself.
class TernarySDNode : public SDNode {
SDUse Ops[3];
};
-/// HandleSDNode - This class is used to form a handle around another node that
+/// This class is used to form a handle around another node that
/// is persistent and is updated across invocations of replaceAllUsesWith on its
/// operand. This node should be directly created by end-users and not added to
/// the AllNodes list.
/// Abstact virtual class for operations for memory operations
class MemSDNode : public SDNode {
private:
- // MemoryVT - VT of in-memory value.
+ // VT of in-memory value.
EVT MemoryVT;
protected:
- /// MMO - Memory reference information.
+ /// Memory reference information.
MachineMemOperand *MMO;
public:
return MMO->getAlignment();
}
- /// getRawSubclassData - Return the SubclassData value, which contains an
+ /// Return the SubclassData value, which contains an
/// encoding of the volatile flag, as well as bits used by subclasses. This
/// function should only be used to compute a FoldingSetNodeID value.
unsigned getRawSubclassData() const {
/// Returns the Ranges that describes the dereference.
const MDNode *getRanges() const { return MMO->getRanges(); }
- /// getMemoryVT - Return the type of the in-memory value.
+ /// Return the type of the in-memory value.
EVT getMemoryVT() const { return MemoryVT; }
- /// getMemOperand - Return a MachineMemOperand object describing the memory
+ /// Return a MachineMemOperand object describing the memory
/// reference performed by operation.
MachineMemOperand *getMemOperand() const { return MMO; }
return MMO->getPointerInfo();
}
- /// getAddressSpace - Return the address space for the associated pointer
+ /// Return the address space for the associated pointer
unsigned getAddressSpace() const {
return getPointerInfo().getAddrSpace();
}
- /// refineAlignment - Update this MemSDNode's MachineMemOperand information
+ /// Update this MemSDNode's MachineMemOperand information
/// to reflect the alignment of NewMMO, if it has a greater alignment.
/// This must only be used when the new alignment applies to all users of
/// this MachineMemOperand.
}
};
-/// AtomicSDNode - A SDNode reprenting atomic operations.
-///
+/// A SDNode reprenting atomic operations.
class AtomicSDNode : public MemSDNode {
SDUse Ops[4];
}
};
-/// MemIntrinsicSDNode - This SDNode is used for target intrinsics that touch
+/// This SDNode is used for target intrinsics that touch
/// memory and need an associated MachineMemOperand. Its opcode may be
/// INTRINSIC_VOID, INTRINSIC_W_CHAIN, PREFETCH, or a target-specific opcode
/// with a value not less than FIRST_TARGET_MEMORY_OPCODE.
}
};
-/// ShuffleVectorSDNode - This SDNode is used to implement the code generator
+/// This SDNode is used to implement the code generator
/// support for the llvm IR shufflevector instruction. It combines elements
/// from two input vectors into a new input vector, with the selection and
/// ordering of elements determined by an array of integers, referred to as
const APFloat& getValueAPF() const { return Value->getValueAPF(); }
const ConstantFP *getConstantFPValue() const { return Value; }
- /// isZero - Return true if the value is positive or negative zero.
+ /// Return true if the value is positive or negative zero.
bool isZero() const { return Value->isZero(); }
- /// isNaN - Return true if the value is a NaN.
+ /// Return true if the value is a NaN.
bool isNaN() const { return Value->isNaN(); }
- /// isInfinity - Return true if the value is an infinity
+ /// Return true if the value is an infinity
bool isInfinity() const { return Value->isInfinity(); }
- /// isNegative - Return true if the value is negative.
+ /// Return true if the value is negative.
bool isNegative() const { return Value->isNegative(); }
- /// isExactlyValue - We don't rely on operator== working on double values, as
+ /// We don't rely on operator== working on double values, as
/// it returns true for things that are clearly not equal, like -0.0 and 0.0.
/// As such, this method can be used to do an exact bit-for-bit comparison of
/// two floating point values.
}
};
-/// BuildVectorSDNode - A "pseudo-class" with methods for operating on
-/// BUILD_VECTORs.
+/// A "pseudo-class" with methods for operating on BUILD_VECTORs.
class BuildVectorSDNode : public SDNode {
// These are constructed as SDNodes and then cast to BuildVectorSDNodes.
explicit BuildVectorSDNode() = delete;
public:
- /// isConstantSplat - Check if this is a constant splat, and if so, find the
+ /// Check if this is a constant splat, and if so, find the
/// smallest element size that splats the vector. If MinSplatBits is
/// nonzero, the element size must be at least that large. Note that the
/// splat element may be the entire vector (i.e., a one element vector).
}
};
-/// SrcValueSDNode - An SDNode that holds an arbitrary LLVM IR Value. This is
+/// An SDNode that holds an arbitrary LLVM IR Value. This is
/// used when the SelectionDAG needs to make a simple reference to something
/// in the LLVM IR representation.
///
: SDNode(ISD::SRCVALUE, 0, DebugLoc(), getSDVTList(MVT::Other)), V(v) {}
public:
- /// getValue - return the contained Value.
+ /// Return the contained Value.
const Value *getValue() const { return V; }
static bool classof(const SDNode *N) {
}
};
-/// CvtRndSatSDNode - NOTE: avoid using this node as this may disappear in the
+/// NOTE: avoid using this node as this may disappear in the
/// future and most targets don't support it.
class CvtRndSatSDNode : public SDNode {
ISD::CvtCode CvtCode;
}
};
-/// VTSDNode - This class is used to represent EVT's, which are used
+/// This class is used to represent EVT's, which are used
/// to parameterize some operations.
class VTSDNode : public SDNode {
EVT ValueType;
}
};
-/// LSBaseSDNode - Base class for LoadSDNode and StoreSDNode
-///
+/// Base class for LoadSDNode and StoreSDNode
class LSBaseSDNode : public MemSDNode {
//! Operand array for load and store
/*!
return getOperand(getOpcode() == ISD::LOAD ? 2 : 3);
}
- /// getAddressingMode - Return the addressing mode for this load or store:
+ /// Return the addressing mode for this load or store:
/// unindexed, pre-inc, pre-dec, post-inc, or post-dec.
ISD::MemIndexedMode getAddressingMode() const {
return ISD::MemIndexedMode((SubclassData >> 2) & 7);
}
- /// isIndexed - Return true if this is a pre/post inc/dec load/store.
+ /// Return true if this is a pre/post inc/dec load/store.
bool isIndexed() const { return getAddressingMode() != ISD::UNINDEXED; }
- /// isUnindexed - Return true if this is NOT a pre/post inc/dec load/store.
+ /// Return true if this is NOT a pre/post inc/dec load/store.
bool isUnindexed() const { return getAddressingMode() == ISD::UNINDEXED; }
static bool classof(const SDNode *N) {
}
};
-/// LoadSDNode - This class is used to represent ISD::LOAD nodes.
-///
+/// This class is used to represent ISD::LOAD nodes.
class LoadSDNode : public LSBaseSDNode {
friend class SelectionDAG;
LoadSDNode(SDValue *ChainPtrOff, unsigned Order, DebugLoc dl, SDVTList VTs,
}
public:
- /// getExtensionType - Return whether this is a plain node,
+ /// Return whether this is a plain node,
/// or one of the varieties of value-extending loads.
ISD::LoadExtType getExtensionType() const {
return ISD::LoadExtType(SubclassData & 3);
}
};
-/// StoreSDNode - This class is used to represent ISD::STORE nodes.
-///
+/// This class is used to represent ISD::STORE nodes.
class StoreSDNode : public LSBaseSDNode {
friend class SelectionDAG;
StoreSDNode(SDValue *ChainValuePtrOff, unsigned Order, DebugLoc dl,
}
public:
- /// isTruncatingStore - Return true if the op does a truncation before store.
+ /// Return true if the op does a truncation before store.
/// For integers this is the same as doing a TRUNCATE and storing the result.
/// For floats, it is the same as doing an FP_ROUND and storing the result.
bool isTruncatingStore() const { return SubclassData & 1; }
}
};
-/// MaskedLoadStoreSDNode - This is a base class is used to represent MLOAD and
-/// MSTORE nodes
-///
+/// This base class is used to represent MLOAD and MSTORE nodes
class MaskedLoadStoreSDNode : public MemSDNode {
// Operands
SDUse Ops[4];
}
};
-/// MaskedLoadSDNode - This class is used to represent an MLOAD node
-///
+/// This class is used to represent an MLOAD node
class MaskedLoadSDNode : public MaskedLoadStoreSDNode {
public:
friend class SelectionDAG;
}
};
-/// MaskedStoreSDNode - This class is used to represent an MSTORE node
-///
+/// This class is used to represent an MSTORE node
class MaskedStoreSDNode : public MaskedLoadStoreSDNode {
public:
VTs, MemVT, MMO) {
SubclassData |= (unsigned short)isTrunc;
}
- /// isTruncatingStore - Return true if the op does a truncation before store.
+ /// Return true if the op does a truncation before store.
/// For integers this is the same as doing a TRUNCATE and storing the result.
/// For floats, it is the same as doing an FP_ROUND and storing the result.
bool isTruncatingStore() const { return SubclassData & 1; }
}
};
-/// MachineSDNode - An SDNode that represents everything that will be needed
+/// An SDNode that represents everything that will be needed
/// to construct a MachineInstr. These nodes are created during the
/// instruction selection proper phase.
-///
class MachineSDNode : public SDNode {
public:
typedef MachineMemOperand **mmo_iterator;
MachineSDNode(unsigned Opc, unsigned Order, const DebugLoc DL, SDVTList VTs)
: SDNode(Opc, Order, DL, VTs), MemRefs(nullptr), MemRefsEnd(nullptr) {}
- /// LocalOperands - Operands for this instruction, if they fit here. If
+ /// Operands for this instruction, if they fit here. If
/// they don't, this field is unused.
SDUse LocalOperands[4];
- /// MemRefs - Memory reference descriptions for this instruction.
+ /// Memory reference descriptions for this instruction.
mmo_iterator MemRefs;
mmo_iterator MemRefsEnd;
mmo_iterator memoperands_end() const { return MemRefsEnd; }
bool memoperands_empty() const { return MemRefsEnd == MemRefs; }
- /// setMemRefs - Assign this MachineSDNodes's memory reference descriptor
+ /// Assign this MachineSDNodes's memory reference descriptor
/// list. This does not transfer ownership.
void setMemRefs(mmo_iterator NewMemRefs, mmo_iterator NewMemRefsEnd) {
for (mmo_iterator MMI = NewMemRefs, MME = NewMemRefsEnd; MMI != MME; ++MMI)
}
};
-/// LargestSDNode - The largest SDNode class.
-///
+/// The largest SDNode class.
typedef AtomicSDNode LargestSDNode;
-/// MostAlignedSDNode - The SDNode class with the greatest alignment
-/// requirement.
-///
+/// The SDNode class with the greatest alignment requirement.
typedef GlobalAddressSDNode MostAlignedSDNode;
namespace ISD {
- /// isNormalLoad - Returns true if the specified node is a non-extending
- /// and unindexed load.
+ /// Returns true if the specified node is a non-extending and unindexed load.
inline bool isNormalLoad(const SDNode *N) {
const LoadSDNode *Ld = dyn_cast<LoadSDNode>(N);
return Ld && Ld->getExtensionType() == ISD::NON_EXTLOAD &&
Ld->getAddressingMode() == ISD::UNINDEXED;
}
- /// isNON_EXTLoad - Returns true if the specified node is a non-extending
- /// load.
+ /// Returns true if the specified node is a non-extending load.
inline bool isNON_EXTLoad(const SDNode *N) {
return isa<LoadSDNode>(N) &&
cast<LoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD;
}
- /// isEXTLoad - Returns true if the specified node is a EXTLOAD.
- ///
+ /// Returns true if the specified node is a EXTLOAD.
inline bool isEXTLoad(const SDNode *N) {
return isa<LoadSDNode>(N) &&
cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD;
}
- /// isSEXTLoad - Returns true if the specified node is a SEXTLOAD.
- ///
+ /// Returns true if the specified node is a SEXTLOAD.
inline bool isSEXTLoad(const SDNode *N) {
return isa<LoadSDNode>(N) &&
cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD;
}
- /// isZEXTLoad - Returns true if the specified node is a ZEXTLOAD.
- ///
+ /// Returns true if the specified node is a ZEXTLOAD.
inline bool isZEXTLoad(const SDNode *N) {
return isa<LoadSDNode>(N) &&
cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD;
}
- /// isUNINDEXEDLoad - Returns true if the specified node is an unindexed load.
- ///
+ /// Returns true if the specified node is an unindexed load.
inline bool isUNINDEXEDLoad(const SDNode *N) {
return isa<LoadSDNode>(N) &&
cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
}
- /// isNormalStore - Returns true if the specified node is a non-truncating
+ /// Returns true if the specified node is a non-truncating
/// and unindexed store.
inline bool isNormalStore(const SDNode *N) {
const StoreSDNode *St = dyn_cast<StoreSDNode>(N);
St->getAddressingMode() == ISD::UNINDEXED;
}
- /// isNON_TRUNCStore - Returns true if the specified node is a non-truncating
- /// store.
+ /// Returns true if the specified node is a non-truncating store.
inline bool isNON_TRUNCStore(const SDNode *N) {
return isa<StoreSDNode>(N) && !cast<StoreSDNode>(N)->isTruncatingStore();
}
- /// isTRUNCStore - Returns true if the specified node is a truncating
- /// store.
+ /// Returns true if the specified node is a truncating store.
inline bool isTRUNCStore(const SDNode *N) {
return isa<StoreSDNode>(N) && cast<StoreSDNode>(N)->isTruncatingStore();
}
- /// isUNINDEXEDStore - Returns true if the specified node is an
- /// unindexed store.
+ /// Returns true if the specified node is an unindexed store.
inline bool isUNINDEXEDStore(const SDNode *N) {
return isa<StoreSDNode>(N) &&
cast<StoreSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
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