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-rw-r--r--include/llvm/CodeGen/SelectionDAGNodes.h130
1 files changed, 120 insertions, 10 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 223151105b0de..8e7fd547626c7 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"
@@ -117,11 +117,13 @@ namespace ISD {
/// of information is represented with the SDValue value type.
///
class SDValue {
+ friend struct DenseMapInfo<SDValue>;
+
SDNode *Node; // The node defining the value we are using.
unsigned ResNo; // Which return value of the node we are using.
public:
SDValue() : Node(nullptr), ResNo(0) {}
- SDValue(SDNode *node, unsigned resno) : Node(node), ResNo(resno) {}
+ SDValue(SDNode *node, unsigned resno);
/// get the index which selects a specific result in the SDNode
unsigned getResNo() const { return ResNo; }
@@ -208,10 +210,14 @@ public:
template<> struct DenseMapInfo<SDValue> {
static inline SDValue getEmptyKey() {
- return SDValue((SDNode*)-1, -1U);
+ SDValue V;
+ V.ResNo = -1U;
+ return V;
}
static inline SDValue getTombstoneKey() {
- return SDValue((SDNode*)-1, 0);
+ SDValue V;
+ V.ResNo = -2U;
+ return V;
}
static unsigned getHashValue(const SDValue &Val) {
return ((unsigned)((uintptr_t)Val.getNode() >> 4) ^
@@ -411,6 +417,16 @@ public:
return NodeType >= ISD::FIRST_TARGET_MEMORY_OPCODE;
}
+ /// Test if this node is a memory intrinsic (with valid pointer information).
+ /// INTRINSIC_W_CHAIN and INTRINSIC_VOID nodes are sometimes created for
+ /// non-memory intrinsics (with chains) that are not really instances of
+ /// MemSDNode. For such nodes, we need some extra state to determine the
+ /// proper classof relationship.
+ bool isMemIntrinsic() const {
+ return (NodeType == ISD::INTRINSIC_W_CHAIN ||
+ NodeType == ISD::INTRINSIC_VOID) && ((SubclassData >> 13) & 1);
+ }
+
/// isMachineOpcode - Test if this node has a post-isel opcode, directly
/// corresponding to a MachineInstr opcode.
bool isMachineOpcode() const { return NodeType < 0; }
@@ -578,7 +594,7 @@ public:
/// changes.
/// NOTE: This is still very expensive. Use carefully.
bool hasPredecessorHelper(const SDNode *N,
- SmallPtrSet<const SDNode *, 32> &Visited,
+ SmallPtrSetImpl<const SDNode *> &Visited,
SmallVectorImpl<const SDNode *> &Worklist) const;
/// getNumOperands - Return the number of values used by this operation.
@@ -746,7 +762,13 @@ protected:
ValueList(VTs.VTs), UseList(nullptr),
NumOperands(Ops.size()), NumValues(VTs.NumVTs),
debugLoc(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]);
}
@@ -759,7 +781,11 @@ protected:
: 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) {}
+ IROrder(Order) {
+ assert(debugLoc.hasTrivialDestructor() && "Expected trivial destructor");
+ assert(NumValues == VTs.NumVTs &&
+ "NumValues wasn't wide enough for its operands!");
+ }
/// InitOperands - Initialize the operands list of this with 1 operand.
void InitOperands(SDUse *Ops, const SDValue &Op0) {
@@ -818,6 +844,8 @@ protected:
Ops[i].setInitial(Vals[i]);
}
NumOperands = N;
+ assert(NumOperands == N &&
+ "NumOperands wasn't wide enough for its operands!");
OperandList = Ops;
checkForCycles(this);
}
@@ -877,6 +905,13 @@ public:
// Define inline functions from the SDValue class.
+inline SDValue::SDValue(SDNode *node, unsigned resno)
+ : Node(node), ResNo(resno) {
+ assert((!Node || ResNo < Node->getNumValues()) &&
+ "Invalid result number for the given node!");
+ assert(ResNo < -2U && "Cannot use result numbers reserved for DenseMaps.");
+}
+
inline unsigned SDValue::getOpcode() const {
return Node->getOpcode();
}
@@ -1088,8 +1123,8 @@ public:
// Returns the offset from the location of the access.
int64_t getSrcValueOffset() const { return MMO->getOffset(); }
- /// Returns the TBAAInfo that describes the dereference.
- const MDNode *getTBAAInfo() const { return MMO->getTBAAInfo(); }
+ /// Returns the AA info that describes the dereference.
+ AAMDNodes getAAInfo() const { return MMO->getAAInfo(); }
/// Returns the Ranges that describes the dereference.
const MDNode *getRanges() const { return MMO->getRanges(); }
@@ -1145,6 +1180,9 @@ 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();
}
};
@@ -1273,14 +1311,14 @@ public:
ArrayRef<SDValue> Ops, EVT MemoryVT,
MachineMemOperand *MMO)
: MemSDNode(Opc, Order, dl, VTs, Ops, MemoryVT, MMO) {
+ SubclassData |= 1u << 13;
}
// Methods to support isa and dyn_cast
static bool classof(const SDNode *N) {
// We lower some target intrinsics to their target opcode
// early a node with a target opcode can be of this class
- return N->getOpcode() == ISD::INTRINSIC_W_CHAIN ||
- N->getOpcode() == ISD::INTRINSIC_VOID ||
+ return N->isMemIntrinsic() ||
N->getOpcode() == ISD::PREFETCH ||
N->isTargetMemoryOpcode();
}
@@ -1380,6 +1418,12 @@ 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
@@ -1893,6 +1937,72 @@ 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, EVT MemVT, MachineMemOperand *MMO)
+ : MaskedLoadStoreSDNode(ISD::MLOAD, Order, dl, Operands, numOperands,
+ VTs, MemVT, MMO)
+ {}
+
+ 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, EVT MemVT, MachineMemOperand *MMO)
+ : MaskedLoadStoreSDNode(ISD::MSTORE, Order, dl, Operands, numOperands,
+ VTs, MemVT, MMO)
+ {}
+
+ const SDValue &getData() 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.
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-15 15:42:16 +0000