diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGNodes.h')
-rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 127 |
1 files changed, 106 insertions, 21 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 4715827..0b6240f 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -19,7 +19,6 @@ #ifndef LLVM_CODEGEN_SELECTIONDAGNODES_H #define LLVM_CODEGEN_SELECTIONDAGNODES_H -#include "llvm/ADT/iterator_range.h" #include "llvm/ADT/BitVector.h" #include "llvm/ADT/FoldingSet.h" #include "llvm/ADT/GraphTraits.h" @@ -27,6 +26,7 @@ #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/ilist_node.h" +#include "llvm/ADT/iterator_range.h" #include "llvm/CodeGen/ISDOpcodes.h" #include "llvm/CodeGen/MachineMemOperand.h" #include "llvm/CodeGen/ValueTypes.h" @@ -145,7 +145,7 @@ public: bool operator<(const SDValue &O) const { return std::tie(Node, ResNo) < std::tie(O.Node, O.ResNo); } - LLVM_EXPLICIT operator bool() const { + explicit operator bool() const { return Node != nullptr; } @@ -184,7 +184,7 @@ public: inline bool isTargetOpcode() const; inline bool isMachineOpcode() const; inline unsigned getMachineOpcode() const; - inline const DebugLoc getDebugLoc() const; + inline const DebugLoc &getDebugLoc() const; inline void dump() const; inline void dumpr() const; @@ -259,8 +259,8 @@ class SDUse { /// this operand. SDUse **Prev, *Next; - SDUse(const SDUse &U) LLVM_DELETED_FUNCTION; - void operator=(const SDUse &U) LLVM_DELETED_FUNCTION; + SDUse(const SDUse &U) = delete; + void operator=(const SDUse &U) = delete; public: SDUse() : Val(), User(nullptr), Prev(nullptr), Next(nullptr) {} @@ -476,11 +476,11 @@ public: void setIROrder(unsigned Order) { IROrder = Order; } /// getDebugLoc - Return the source location info. - const DebugLoc getDebugLoc() const { return debugLoc; } + const DebugLoc &getDebugLoc() const { return debugLoc; } /// setDebugLoc - Set source location info. Try to avoid this, putting /// it in the constructor is preferable. - void setDebugLoc(const DebugLoc dl) { debugLoc = dl; } + void setDebugLoc(DebugLoc dl) { debugLoc = std::move(dl); } /// use_iterator - This class provides iterator support for SDUse /// operands that use a specific SDNode. @@ -754,19 +754,20 @@ protected: return Ret; } - SDNode(unsigned Opc, unsigned Order, const DebugLoc dl, SDVTList VTs, + SDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs, ArrayRef<SDValue> Ops) - : NodeType(Opc), OperandsNeedDelete(true), HasDebugValue(false), - SubclassData(0), NodeId(-1), - OperandList(Ops.size() ? new SDUse[Ops.size()] : nullptr), - ValueList(VTs.VTs), UseList(nullptr), - NumOperands(Ops.size()), NumValues(VTs.NumVTs), - debugLoc(dl), IROrder(Order) { + : NodeType(Opc), OperandsNeedDelete(true), HasDebugValue(false), + SubclassData(0), NodeId(-1), + OperandList(Ops.size() ? new SDUse[Ops.size()] : nullptr), + ValueList(VTs.VTs), UseList(nullptr), NumOperands(Ops.size()), + NumValues(VTs.NumVTs), debugLoc(std::move(dl)), IROrder(Order) { + assert(debugLoc.hasTrivialDestructor() && "Expected trivial destructor"); assert(NumOperands == Ops.size() && "NumOperands wasn't wide enough for its operands!"); assert(NumValues == VTs.NumVTs && "NumValues wasn't wide enough for its operands!"); for (unsigned i = 0; i != Ops.size(); ++i) { + assert(OperandList && "no operands available"); OperandList[i].setUser(this); OperandList[i].setInitial(Ops[i]); } @@ -775,11 +776,12 @@ protected: /// This constructor adds no operands itself; operands can be /// set later with InitOperands. - SDNode(unsigned Opc, unsigned Order, const DebugLoc dl, SDVTList VTs) - : NodeType(Opc), OperandsNeedDelete(false), HasDebugValue(false), - SubclassData(0), NodeId(-1), OperandList(nullptr), ValueList(VTs.VTs), - UseList(nullptr), NumOperands(0), NumValues(VTs.NumVTs), debugLoc(dl), - IROrder(Order) { + SDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs) + : NodeType(Opc), OperandsNeedDelete(false), HasDebugValue(false), + SubclassData(0), NodeId(-1), OperandList(nullptr), ValueList(VTs.VTs), + UseList(nullptr), NumOperands(0), NumValues(VTs.NumVTs), + debugLoc(std::move(dl)), IROrder(Order) { + assert(debugLoc.hasTrivialDestructor() && "Expected trivial destructor"); assert(NumValues == VTs.NumVTs && "NumValues wasn't wide enough for its operands!"); } @@ -942,7 +944,7 @@ inline bool SDValue::use_empty() const { inline bool SDValue::hasOneUse() const { return Node->hasNUsesOfValue(1, ResNo); } -inline const DebugLoc SDValue::getDebugLoc() const { +inline const DebugLoc &SDValue::getDebugLoc() const { return Node->getDebugLoc(); } inline void SDValue::dump() const { @@ -1177,6 +1179,8 @@ public: N->getOpcode() == ISD::ATOMIC_LOAD_UMAX || N->getOpcode() == ISD::ATOMIC_LOAD || N->getOpcode() == ISD::ATOMIC_STORE || + N->getOpcode() == ISD::MLOAD || + N->getOpcode() == ISD::MSTORE || N->isMemIntrinsic() || N->isTargetMemoryOpcode(); } @@ -1413,6 +1417,12 @@ public: /// isNaN - Return true if the value is a NaN. bool isNaN() const { return Value->isNaN(); } + /// isInfinity - Return true if the value is an infinity + bool isInfinity() const { return Value->isInfinity(); } + + /// isNegative - 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 /// 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 @@ -1601,7 +1611,7 @@ public: /// BUILD_VECTORs. class BuildVectorSDNode : public SDNode { // These are constructed as SDNodes and then cast to BuildVectorSDNodes. - explicit BuildVectorSDNode() LLVM_DELETED_FUNCTION; + explicit BuildVectorSDNode() = delete; public: /// isConstantSplat - Check if this is a constant splat, and if so, find the /// smallest element size that splats the vector. If MinSplatBits is @@ -1926,6 +1936,81 @@ public: } }; +/// MaskedLoadStoreSDNode - This is a base class is used to represent MLOAD and +/// MSTORE nodes +/// +class MaskedLoadStoreSDNode : public MemSDNode { + // Operands + SDUse Ops[4]; +public: + friend class SelectionDAG; + MaskedLoadStoreSDNode(ISD::NodeType NodeTy, unsigned Order, DebugLoc dl, + SDValue *Operands, unsigned numOperands, + SDVTList VTs, EVT MemVT, MachineMemOperand *MMO) + : MemSDNode(NodeTy, Order, dl, VTs, MemVT, MMO) { + InitOperands(Ops, Operands, numOperands); + } + + // In the both nodes address is Op1, mask is Op2: + // MaskedLoadSDNode (Chain, ptr, mask, src0), src0 is a passthru value + // MaskedStoreSDNode (Chain, ptr, mask, data) + // Mask is a vector of i1 elements + const SDValue &getBasePtr() const { return getOperand(1); } + const SDValue &getMask() const { return getOperand(2); } + + static bool classof(const SDNode *N) { + return N->getOpcode() == ISD::MLOAD || + N->getOpcode() == ISD::MSTORE; + } +}; + +/// MaskedLoadSDNode - This class is used to represent an MLOAD node +/// +class MaskedLoadSDNode : public MaskedLoadStoreSDNode { +public: + friend class SelectionDAG; + MaskedLoadSDNode(unsigned Order, DebugLoc dl, SDValue *Operands, + unsigned numOperands, SDVTList VTs, ISD::LoadExtType ETy, + EVT MemVT, MachineMemOperand *MMO) + : MaskedLoadStoreSDNode(ISD::MLOAD, Order, dl, Operands, numOperands, + VTs, MemVT, MMO) { + SubclassData |= (unsigned short)ETy; + } + + ISD::LoadExtType getExtensionType() const { + return ISD::LoadExtType(SubclassData & 3); + } + const SDValue &getSrc0() const { return getOperand(3); } + static bool classof(const SDNode *N) { + return N->getOpcode() == ISD::MLOAD; + } +}; + +/// MaskedStoreSDNode - This class is used to represent an MSTORE node +/// +class MaskedStoreSDNode : public MaskedLoadStoreSDNode { + +public: + friend class SelectionDAG; + MaskedStoreSDNode(unsigned Order, DebugLoc dl, SDValue *Operands, + unsigned numOperands, SDVTList VTs, bool isTrunc, EVT MemVT, + MachineMemOperand *MMO) + : MaskedLoadStoreSDNode(ISD::MSTORE, Order, dl, Operands, numOperands, + VTs, MemVT, MMO) { + SubclassData |= (unsigned short)isTrunc; + } + /// isTruncatingStore - 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; } + + const SDValue &getValue() const { return getOperand(3); } + + static bool classof(const SDNode *N) { + return N->getOpcode() == ISD::MSTORE; + } +}; + /// MachineSDNode - An SDNode that represents everything that will be needed /// to construct a MachineInstr. These nodes are created during the /// instruction selection proper phase. |