#include "llvm/Intrinsics.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include <iostream>
#include <set>
#include <algorithm>
using namespace llvm;
-static bool isCommutativeBinOp(unsigned Opcode) {
- switch (Opcode) {
- case ISD::ADD:
- case ISD::MUL:
- case ISD::MULHU:
- case ISD::MULHS:
- case ISD::FADD:
- case ISD::FMUL:
- case ISD::AND:
- case ISD::OR:
- case ISD::XOR: return true;
- default: return false; // FIXME: Need commutative info for user ops!
- }
+/// makeVTList - Return an instance of the SDVTList struct initialized with the
+/// specified members.
+static SDVTList makeVTList(const MVT::ValueType *VTs, unsigned NumVTs) {
+ SDVTList Res = {VTs, NumVTs};
+ return Res;
}
// isInvertibleForFree - Return true if there is no cost to emitting the logical
return TLI.getTargetMachine();
}
+//===----------------------------------------------------------------------===//
+// SDNode Profile Support
+//===----------------------------------------------------------------------===//
+
+/// getNodeIDOpcode - Return the opcode that has been set for this NodeID.
+///
+static unsigned getNodeIDOpcode(FoldingSetNodeID &ID) {
+ return ID.getRawData(0);
+}
+
+/// AddNodeIDOpcode - Add the node opcode to the NodeID data.
+///
+static void AddNodeIDOpcode(FoldingSetNodeID &ID, unsigned OpC) {
+ ID.AddInteger(OpC);
+}
+
+/// AddNodeIDValueTypes - Value type lists are intern'd so we can represent them
+/// solely with their pointer.
+void AddNodeIDValueTypes(FoldingSetNodeID &ID, SDVTList VTList) {
+ ID.AddPointer(VTList.VTs);
+}
+
+/// AddNodeIDOperand - Add an operands data to the NodeID data.
+///
+static void AddNodeIDOperand(FoldingSetNodeID &ID, SDOperand Op) {
+ ID.AddPointer(Op.Val);
+ ID.AddInteger(Op.ResNo);
+}
+
+/// AddNodeIDOperands - Various routines for adding operands to the NodeID data.
+///
+static void AddNodeIDOperands(FoldingSetNodeID &ID) {
+}
+static void AddNodeIDOperands(FoldingSetNodeID &ID, SDOperand Op) {
+ AddNodeIDOperand(ID, Op);
+}
+static void AddNodeIDOperands(FoldingSetNodeID &ID,
+ SDOperand Op1, SDOperand Op2) {
+ AddNodeIDOperand(ID, Op1);
+ AddNodeIDOperand(ID, Op2);
+}
+static void AddNodeIDOperands(FoldingSetNodeID &ID,
+ SDOperand Op1, SDOperand Op2, SDOperand Op3) {
+ AddNodeIDOperand(ID, Op1);
+ AddNodeIDOperand(ID, Op2);
+ AddNodeIDOperand(ID, Op3);
+}
+static void AddNodeIDOperands(FoldingSetNodeID &ID,
+ const SDOperand *Ops, unsigned NumOps) {
+ for (; NumOps; --NumOps, ++Ops)
+ AddNodeIDOperand(ID, *Ops);
+}
+
+/// AddNodeIDOperands - Various routines for adding node info to the NodeID
+/// data.
+static void AddNodeIDNode(FoldingSetNodeID &ID,
+ unsigned short OpC, SDVTList VTList) {
+ AddNodeIDOpcode(ID, OpC);
+ AddNodeIDValueTypes(ID, VTList);
+ AddNodeIDOperands(ID);
+}
+static void AddNodeIDNode(FoldingSetNodeID &ID,
+ unsigned short OpC, SDVTList VTList,
+ SDOperand Op) {
+ AddNodeIDOpcode(ID, OpC);
+ AddNodeIDValueTypes(ID, VTList);
+ AddNodeIDOperands(ID, Op);
+}
+static void AddNodeIDNode(FoldingSetNodeID &ID,
+ unsigned short OpC, SDVTList VTList,
+ SDOperand Op1, SDOperand Op2) {
+ AddNodeIDOpcode(ID, OpC);
+ AddNodeIDValueTypes(ID, VTList);
+ AddNodeIDOperands(ID, Op1, Op2);
+}
+static void AddNodeIDNode(FoldingSetNodeID &ID,
+ unsigned short OpC, SDVTList VTList,
+ SDOperand Op1, SDOperand Op2, SDOperand Op3) {
+ AddNodeIDOpcode(ID, OpC);
+ AddNodeIDValueTypes(ID, VTList);
+ AddNodeIDOperands(ID, Op1, Op2, Op3);
+}
+static void AddNodeIDNode(FoldingSetNodeID &ID,
+ unsigned short OpC, SDVTList VTList,
+ const SDOperand *OpList, unsigned N) {
+ AddNodeIDOpcode(ID, OpC);
+ AddNodeIDValueTypes(ID, VTList);
+ AddNodeIDOperands(ID, OpList, N);
+}
+
+/// AddNodeIDNode - Generic routine for adding a nodes info to the NodeID
+/// data.
+static void AddNodeIDNode(FoldingSetNodeID &ID, SDNode *N) {
+ AddNodeIDOpcode(ID, N->getOpcode());
+ // Add the return value info.
+ AddNodeIDValueTypes(ID, N->getVTList());
+ // Add the operand info.
+ AddNodeIDOperands(ID, N->op_begin(), N->getNumOperands());
+
+ // Handle SDNode leafs with special info.
+ if (N->getNumOperands() == 0) {
+ switch (N->getOpcode()) {
+ default: break; // Normal nodes don't need extra info.
+ case ISD::TargetConstant:
+ case ISD::Constant:
+ ID.AddInteger(cast<ConstantSDNode>(N)->getValue());
+ break;
+ case ISD::TargetConstantFP:
+ case ISD::ConstantFP:
+ ID.AddDouble(cast<ConstantFPSDNode>(N)->getValue());
+ break;
+ case ISD::TargetGlobalAddress:
+ case ISD::GlobalAddress: {
+ GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(N);
+ ID.AddPointer(GA->getGlobal());
+ ID.AddInteger(GA->getOffset());
+ break;
+ }
+ case ISD::BasicBlock:
+ ID.AddPointer(cast<BasicBlockSDNode>(N)->getBasicBlock());
+ break;
+ case ISD::Register:
+ ID.AddInteger(cast<RegisterSDNode>(N)->getReg());
+ break;
+ case ISD::SRCVALUE: {
+ SrcValueSDNode *SV = cast<SrcValueSDNode>(N);
+ ID.AddPointer(SV->getValue());
+ ID.AddInteger(SV->getOffset());
+ break;
+ }
+ case ISD::FrameIndex:
+ case ISD::TargetFrameIndex:
+ ID.AddInteger(cast<FrameIndexSDNode>(N)->getIndex());
+ break;
+ case ISD::JumpTable:
+ case ISD::TargetJumpTable:
+ ID.AddInteger(cast<JumpTableSDNode>(N)->getIndex());
+ break;
+ case ISD::ConstantPool:
+ case ISD::TargetConstantPool: {
+ ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(N);
+ ID.AddInteger(CP->getAlignment());
+ ID.AddInteger(CP->getOffset());
+ if (CP->isMachineConstantPoolEntry())
+ CP->getMachineCPVal()->AddSelectionDAGCSEId(ID);
+ else
+ ID.AddPointer(CP->getConstVal());
+ break;
+ }
+ case ISD::VLOAD:
+ case ISD::EXTLOAD:
+ case ISD::LOAD: {
+ LoadSDNode *LD = cast<LoadSDNode>(N);
+ ID.AddInteger(LD->getAddressingMode());
+ ID.AddInteger(LD->getExtensionType());
+ ID.AddInteger(LD->getLoadedVT());
+ ID.AddPointer(LD->getSrcValue());
+ ID.AddInteger(LD->getSrcValueOffset());
+ ID.AddInteger(LD->getAlignment());
+ ID.AddInteger(LD->isVolatile());
+ break;
+ }
+ case ISD::STORE: {
+ StoreSDNode *ST = cast<StoreSDNode>(N);
+ ID.AddInteger(ST->getAddressingMode());
+ ID.AddInteger(ST->isTruncatingStore());
+ ID.AddInteger(ST->getStoredVT());
+ ID.AddPointer(ST->getSrcValue());
+ ID.AddInteger(ST->getSrcValueOffset());
+ ID.AddInteger(ST->getAlignment());
+ ID.AddInteger(ST->isVolatile());
+ break;
+ }
+ }
+ }
+}
+
//===----------------------------------------------------------------------===//
// SelectionDAG Class
//===----------------------------------------------------------------------===//
/// RemoveDeadNodes - This method deletes all unreachable nodes in the
-/// SelectionDAG, including nodes (like loads) that have uses of their token
-/// chain but no other uses and no side effect. If a node is passed in as an
-/// argument, it is used as the seed for node deletion.
-void SelectionDAG::RemoveDeadNodes(SDNode *N) {
+/// SelectionDAG.
+void SelectionDAG::RemoveDeadNodes() {
// Create a dummy node (which is not added to allnodes), that adds a reference
// to the root node, preventing it from being deleted.
HandleSDNode Dummy(getRoot());
- bool MadeChange = false;
+ SmallVector<SDNode*, 128> DeadNodes;
- // If we have a hint to start from, use it.
- if (N && N->use_empty()) {
- DestroyDeadNode(N);
- MadeChange = true;
- }
-
+ // Add all obviously-dead nodes to the DeadNodes worklist.
for (allnodes_iterator I = allnodes_begin(), E = allnodes_end(); I != E; ++I)
- if (I->use_empty() && I->getOpcode() != 65535) {
- // Node is dead, recursively delete newly dead uses.
- DestroyDeadNode(I);
- MadeChange = true;
- }
-
- // Walk the nodes list, removing the nodes we've marked as dead.
- if (MadeChange) {
- for (allnodes_iterator I = allnodes_begin(), E = allnodes_end(); I != E; ) {
- SDNode *N = I++;
- if (N->use_empty())
- AllNodes.erase(N);
+ if (I->use_empty())
+ DeadNodes.push_back(I);
+
+ // Process the worklist, deleting the nodes and adding their uses to the
+ // worklist.
+ while (!DeadNodes.empty()) {
+ SDNode *N = DeadNodes.back();
+ DeadNodes.pop_back();
+
+ // Take the node out of the appropriate CSE map.
+ RemoveNodeFromCSEMaps(N);
+
+ // Next, brutally remove the operand list. This is safe to do, as there are
+ // no cycles in the graph.
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
+ SDNode *Operand = I->Val;
+ Operand->removeUser(N);
+
+ // Now that we removed this operand, see if there are no uses of it left.
+ if (Operand->use_empty())
+ DeadNodes.push_back(Operand);
}
+ delete[] N->OperandList;
+ N->OperandList = 0;
+ N->NumOperands = 0;
+
+ // Finally, remove N itself.
+ AllNodes.erase(N);
}
// If the root changed (e.g. it was a dead load, update the root).
setRoot(Dummy.getValue());
}
-/// DestroyDeadNode - We know that N is dead. Nuke it from the CSE maps for the
-/// graph. If it is the last user of any of its operands, recursively process
-/// them the same way.
-///
-void SelectionDAG::DestroyDeadNode(SDNode *N) {
- // Okay, we really are going to delete this node. First take this out of the
- // appropriate CSE map.
- RemoveNodeFromCSEMaps(N);
-
- // Next, brutally remove the operand list. This is safe to do, as there are
- // no cycles in the graph.
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
- SDNode *O = I->Val;
- O->removeUser(N);
+void SelectionDAG::RemoveDeadNode(SDNode *N, std::vector<SDNode*> &Deleted) {
+ SmallVector<SDNode*, 16> DeadNodes;
+ DeadNodes.push_back(N);
+
+ // Process the worklist, deleting the nodes and adding their uses to the
+ // worklist.
+ while (!DeadNodes.empty()) {
+ SDNode *N = DeadNodes.back();
+ DeadNodes.pop_back();
- // Now that we removed this operand, see if there are no uses of it left.
- if (O->use_empty())
- DestroyDeadNode(O);
- }
- delete[] N->OperandList;
- N->OperandList = 0;
- N->NumOperands = 0;
+ // Take the node out of the appropriate CSE map.
+ RemoveNodeFromCSEMaps(N);
- // Mark the node as dead.
- N->MorphNodeTo(65535);
+ // Next, brutally remove the operand list. This is safe to do, as there are
+ // no cycles in the graph.
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
+ SDNode *Operand = I->Val;
+ Operand->removeUser(N);
+
+ // Now that we removed this operand, see if there are no uses of it left.
+ if (Operand->use_empty())
+ DeadNodes.push_back(Operand);
+ }
+ delete[] N->OperandList;
+ N->OperandList = 0;
+ N->NumOperands = 0;
+
+ // Finally, remove N itself.
+ Deleted.push_back(N);
+ AllNodes.erase(N);
+ }
}
void SelectionDAG::DeleteNode(SDNode *N) {
bool Erased = false;
switch (N->getOpcode()) {
case ISD::HANDLENODE: return; // noop.
- case ISD::Constant:
- Erased = Constants.erase(std::make_pair(cast<ConstantSDNode>(N)->getValue(),
- N->getValueType(0)));
- break;
- case ISD::TargetConstant:
- Erased = TargetConstants.erase(std::make_pair(
- cast<ConstantSDNode>(N)->getValue(),
- N->getValueType(0)));
- break;
- case ISD::ConstantFP: {
- uint64_t V = DoubleToBits(cast<ConstantFPSDNode>(N)->getValue());
- Erased = ConstantFPs.erase(std::make_pair(V, N->getValueType(0)));
- break;
- }
- case ISD::TargetConstantFP: {
- uint64_t V = DoubleToBits(cast<ConstantFPSDNode>(N)->getValue());
- Erased = TargetConstantFPs.erase(std::make_pair(V, N->getValueType(0)));
- break;
- }
case ISD::STRING:
Erased = StringNodes.erase(cast<StringSDNode>(N)->getValue());
break;
Erased = CondCodeNodes[cast<CondCodeSDNode>(N)->get()] != 0;
CondCodeNodes[cast<CondCodeSDNode>(N)->get()] = 0;
break;
- case ISD::GlobalAddress: {
- GlobalAddressSDNode *GN = cast<GlobalAddressSDNode>(N);
- Erased = GlobalValues.erase(std::make_pair(GN->getGlobal(),
- GN->getOffset()));
- break;
- }
- case ISD::TargetGlobalAddress: {
- GlobalAddressSDNode *GN = cast<GlobalAddressSDNode>(N);
- Erased =TargetGlobalValues.erase(std::make_pair(GN->getGlobal(),
- GN->getOffset()));
- break;
- }
- case ISD::FrameIndex:
- Erased = FrameIndices.erase(cast<FrameIndexSDNode>(N)->getIndex());
- break;
- case ISD::TargetFrameIndex:
- Erased = TargetFrameIndices.erase(cast<FrameIndexSDNode>(N)->getIndex());
- break;
- case ISD::JumpTable:
- Erased = JumpTableIndices.erase(cast<JumpTableSDNode>(N)->getIndex());
- break;
- case ISD::TargetJumpTable:
- Erased =
- TargetJumpTableIndices.erase(cast<JumpTableSDNode>(N)->getIndex());
- break;
- case ISD::ConstantPool:
- Erased = ConstantPoolIndices.
- erase(std::make_pair(cast<ConstantPoolSDNode>(N)->get(),
- std::make_pair(cast<ConstantPoolSDNode>(N)->getOffset(),
- cast<ConstantPoolSDNode>(N)->getAlignment())));
- break;
- case ISD::TargetConstantPool:
- Erased = TargetConstantPoolIndices.
- erase(std::make_pair(cast<ConstantPoolSDNode>(N)->get(),
- std::make_pair(cast<ConstantPoolSDNode>(N)->getOffset(),
- cast<ConstantPoolSDNode>(N)->getAlignment())));
- break;
- case ISD::BasicBlock:
- Erased = BBNodes.erase(cast<BasicBlockSDNode>(N)->getBasicBlock());
- break;
case ISD::ExternalSymbol:
Erased = ExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
break;
Erased = ValueTypeNodes[cast<VTSDNode>(N)->getVT()] != 0;
ValueTypeNodes[cast<VTSDNode>(N)->getVT()] = 0;
break;
- case ISD::Register:
- Erased = RegNodes.erase(std::make_pair(cast<RegisterSDNode>(N)->getReg(),
- N->getValueType(0)));
- break;
- case ISD::SRCVALUE: {
- SrcValueSDNode *SVN = cast<SrcValueSDNode>(N);
- Erased =ValueNodes.erase(std::make_pair(SVN->getValue(), SVN->getOffset()));
- break;
- }
- case ISD::LOAD:
- Erased = Loads.erase(std::make_pair(N->getOperand(1),
- std::make_pair(N->getOperand(0),
- N->getValueType(0))));
- break;
default:
- if (N->getNumValues() == 1) {
- if (N->getNumOperands() == 0) {
- Erased = NullaryOps.erase(std::make_pair(N->getOpcode(),
- N->getValueType(0)));
- } else if (N->getNumOperands() == 1) {
- Erased =
- UnaryOps.erase(std::make_pair(N->getOpcode(),
- std::make_pair(N->getOperand(0),
- N->getValueType(0))));
- } else if (N->getNumOperands() == 2) {
- Erased =
- BinaryOps.erase(std::make_pair(N->getOpcode(),
- std::make_pair(N->getOperand(0),
- N->getOperand(1))));
- } else {
- std::vector<SDOperand> Ops(N->op_begin(), N->op_end());
- Erased =
- OneResultNodes.erase(std::make_pair(N->getOpcode(),
- std::make_pair(N->getValueType(0),
- Ops)));
- }
- } else {
- // Remove the node from the ArbitraryNodes map.
- std::vector<MVT::ValueType> RV(N->value_begin(), N->value_end());
- std::vector<SDOperand> Ops(N->op_begin(), N->op_end());
- Erased =
- ArbitraryNodes.erase(std::make_pair(N->getOpcode(),
- std::make_pair(RV, Ops)));
- }
+ // Remove it from the CSE Map.
+ Erased = CSEMap.RemoveNode(N);
break;
}
#ifndef NDEBUG
if (!Erased && N->getValueType(N->getNumValues()-1) != MVT::Flag &&
!N->isTargetOpcode()) {
N->dump();
+ std::cerr << "\n";
assert(0 && "Node is not in map!");
}
#endif
if (N->getValueType(i) == MVT::Flag)
return 0; // Never CSE anything that produces a flag.
- if (N->getNumValues() == 1) {
- if (N->getNumOperands() == 1) {
- SDNode *&U = UnaryOps[std::make_pair(N->getOpcode(),
- std::make_pair(N->getOperand(0),
- N->getValueType(0)))];
- if (U) return U;
- U = N;
- } else if (N->getNumOperands() == 2) {
- SDNode *&B = BinaryOps[std::make_pair(N->getOpcode(),
- std::make_pair(N->getOperand(0),
- N->getOperand(1)))];
- if (B) return B;
- B = N;
- } else {
- std::vector<SDOperand> Ops(N->op_begin(), N->op_end());
- SDNode *&ORN = OneResultNodes[std::make_pair(N->getOpcode(),
- std::make_pair(N->getValueType(0), Ops))];
- if (ORN) return ORN;
- ORN = N;
- }
- } else {
- if (N->getOpcode() == ISD::LOAD) {
- SDNode *&L = Loads[std::make_pair(N->getOperand(1),
- std::make_pair(N->getOperand(0),
- N->getValueType(0)))];
- if (L) return L;
- L = N;
- } else {
- // Remove the node from the ArbitraryNodes map.
- std::vector<MVT::ValueType> RV(N->value_begin(), N->value_end());
- std::vector<SDOperand> Ops(N->op_begin(), N->op_end());
- SDNode *&AN = ArbitraryNodes[std::make_pair(N->getOpcode(),
- std::make_pair(RV, Ops))];
- if (AN) return AN;
- AN = N;
- }
- }
+ SDNode *New = CSEMap.GetOrInsertNode(N);
+ if (New != N) return New; // Node already existed.
return 0;
}
/// were replaced with those specified. If this node is never memoized,
/// return null, otherwise return a pointer to the slot it would take. If a
/// node already exists with these operands, the slot will be non-null.
-SDNode **SelectionDAG::FindModifiedNodeSlot(SDNode *N, SDOperand Op) {
+SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N, SDOperand Op,
+ void *&InsertPos) {
if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
return 0; // Never add these nodes.
if (N->getValueType(i) == MVT::Flag)
return 0; // Never CSE anything that produces a flag.
- if (N->getNumValues() == 1) {
- return &UnaryOps[std::make_pair(N->getOpcode(),
- std::make_pair(Op, N->getValueType(0)))];
- } else {
- // Remove the node from the ArbitraryNodes map.
- std::vector<MVT::ValueType> RV(N->value_begin(), N->value_end());
- std::vector<SDOperand> Ops;
- Ops.push_back(Op);
- return &ArbitraryNodes[std::make_pair(N->getOpcode(),
- std::make_pair(RV, Ops))];
- }
- return 0;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Op);
+ return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
/// FindModifiedNodeSlot - Find a slot for the specified node if its operands
/// were replaced with those specified. If this node is never memoized,
/// return null, otherwise return a pointer to the slot it would take. If a
/// node already exists with these operands, the slot will be non-null.
-SDNode **SelectionDAG::FindModifiedNodeSlot(SDNode *N,
- SDOperand Op1, SDOperand Op2) {
+SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N,
+ SDOperand Op1, SDOperand Op2,
+ void *&InsertPos) {
if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
return 0; // Never add these nodes.
for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
if (N->getValueType(i) == MVT::Flag)
return 0; // Never CSE anything that produces a flag.
-
- if (N->getNumValues() == 1) {
- return &BinaryOps[std::make_pair(N->getOpcode(),
- std::make_pair(Op1, Op2))];
- } else {
- std::vector<MVT::ValueType> RV(N->value_begin(), N->value_end());
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- return &ArbitraryNodes[std::make_pair(N->getOpcode(),
- std::make_pair(RV, Ops))];
- }
- return 0;
+
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Op1, Op2);
+ return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
/// were replaced with those specified. If this node is never memoized,
/// return null, otherwise return a pointer to the slot it would take. If a
/// node already exists with these operands, the slot will be non-null.
-SDNode **SelectionDAG::FindModifiedNodeSlot(SDNode *N,
- const std::vector<SDOperand> &Ops) {
+SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N,
+ const SDOperand *Ops,unsigned NumOps,
+ void *&InsertPos) {
if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
return 0; // Never add these nodes.
if (N->getValueType(i) == MVT::Flag)
return 0; // Never CSE anything that produces a flag.
- if (N->getNumValues() == 1) {
- if (N->getNumOperands() == 1) {
- return &UnaryOps[std::make_pair(N->getOpcode(),
- std::make_pair(Ops[0],
- N->getValueType(0)))];
- } else if (N->getNumOperands() == 2) {
- return &BinaryOps[std::make_pair(N->getOpcode(),
- std::make_pair(Ops[0], Ops[1]))];
- } else {
- return &OneResultNodes[std::make_pair(N->getOpcode(),
- std::make_pair(N->getValueType(0),
- Ops))];
- }
- } else {
- if (N->getOpcode() == ISD::LOAD) {
- return &Loads[std::make_pair(Ops[1],
- std::make_pair(Ops[0], N->getValueType(0)))];
- } else {
- std::vector<MVT::ValueType> RV(N->value_begin(), N->value_end());
- return &ArbitraryNodes[std::make_pair(N->getOpcode(),
- std::make_pair(RV, Ops))];
- }
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, N->getOpcode(), N->getVTList());
+
+ if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) {
+ ID.AddInteger(LD->getAddressingMode());
+ ID.AddInteger(LD->getExtensionType());
+ ID.AddInteger(LD->getLoadedVT());
+ ID.AddPointer(LD->getSrcValue());
+ ID.AddInteger(LD->getSrcValueOffset());
+ ID.AddInteger(LD->getAlignment());
+ ID.AddInteger(LD->isVolatile());
+ } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) {
+ ID.AddInteger(ST->getAddressingMode());
+ ID.AddInteger(ST->isTruncatingStore());
+ ID.AddInteger(ST->getStoredVT());
+ ID.AddPointer(ST->getSrcValue());
+ ID.AddInteger(ST->getSrcValueOffset());
+ ID.AddInteger(ST->getAlignment());
+ ID.AddInteger(ST->isVolatile());
}
- return 0;
+
+ AddNodeIDOperands(ID, Ops, NumOps);
+ return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
SelectionDAG::~SelectionDAG() {
while (!AllNodes.empty()) {
SDNode *N = AllNodes.begin();
+ N->SetNextInBucket(0);
delete [] N->OperandList;
N->OperandList = 0;
N->NumOperands = 0;
getConstant(Imm, Op.getValueType()));
}
-SDOperand SelectionDAG::getConstant(uint64_t Val, MVT::ValueType VT) {
- assert(MVT::isInteger(VT) && "Cannot create FP integer constant!");
- assert(!MVT::isVector(VT) && "Cannot create Vector ConstantSDNodes!");
-
- // Mask out any bits that are not valid for this constant.
- if (VT != MVT::i64)
- Val &= ((uint64_t)1 << MVT::getSizeInBits(VT)) - 1;
-
- SDNode *&N = Constants[std::make_pair(Val, VT)];
- if (N) return SDOperand(N, 0);
- N = new ConstantSDNode(false, Val, VT);
- AllNodes.push_back(N);
- return SDOperand(N, 0);
-}
-
SDOperand SelectionDAG::getString(const std::string &Val) {
StringSDNode *&N = StringNodes[Val];
if (!N) {
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getTargetConstant(uint64_t Val, MVT::ValueType VT) {
+SDOperand SelectionDAG::getConstant(uint64_t Val, MVT::ValueType VT, bool isT) {
assert(MVT::isInteger(VT) && "Cannot create FP integer constant!");
- // Mask out any bits that are not valid for this constant.
- if (VT != MVT::i64)
- Val &= ((uint64_t)1 << MVT::getSizeInBits(VT)) - 1;
+ assert(!MVT::isVector(VT) && "Cannot create Vector ConstantSDNodes!");
- SDNode *&N = TargetConstants[std::make_pair(Val, VT)];
- if (N) return SDOperand(N, 0);
- N = new ConstantSDNode(true, Val, VT);
+ // Mask out any bits that are not valid for this constant.
+ Val &= MVT::getIntVTBitMask(VT);
+
+ unsigned Opc = isT ? ISD::TargetConstant : ISD::Constant;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddInteger(Val);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new ConstantSDNode(isT, Val, VT);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getConstantFP(double Val, MVT::ValueType VT) {
- assert(MVT::isFloatingPoint(VT) && "Cannot create integer FP constant!");
- if (VT == MVT::f32)
- Val = (float)Val; // Mask out extra precision.
-
- // Do the map lookup using the actual bit pattern for the floating point
- // value, so that we don't have problems with 0.0 comparing equal to -0.0, and
- // we don't have issues with SNANs.
- SDNode *&N = ConstantFPs[std::make_pair(DoubleToBits(Val), VT)];
- if (N) return SDOperand(N, 0);
- N = new ConstantFPSDNode(false, Val, VT);
- AllNodes.push_back(N);
- return SDOperand(N, 0);
-}
-SDOperand SelectionDAG::getTargetConstantFP(double Val, MVT::ValueType VT) {
+SDOperand SelectionDAG::getConstantFP(double Val, MVT::ValueType VT,
+ bool isTarget) {
assert(MVT::isFloatingPoint(VT) && "Cannot create integer FP constant!");
if (VT == MVT::f32)
Val = (float)Val; // Mask out extra precision.
-
+
// Do the map lookup using the actual bit pattern for the floating point
// value, so that we don't have problems with 0.0 comparing equal to -0.0, and
// we don't have issues with SNANs.
- SDNode *&N = TargetConstantFPs[std::make_pair(DoubleToBits(Val), VT)];
- if (N) return SDOperand(N, 0);
- N = new ConstantFPSDNode(true, Val, VT);
+ unsigned Opc = isTarget ? ISD::TargetConstantFP : ISD::ConstantFP;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddDouble(Val);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new ConstantFPSDNode(isTarget, Val, VT);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getGlobalAddress(const GlobalValue *GV,
- MVT::ValueType VT, int offset) {
- SDNode *&N = GlobalValues[std::make_pair(GV, offset)];
- if (N) return SDOperand(N, 0);
- N = new GlobalAddressSDNode(false, GV, VT, offset);
+ MVT::ValueType VT, int Offset,
+ bool isTargetGA) {
+ unsigned Opc = isTargetGA ? ISD::TargetGlobalAddress : ISD::GlobalAddress;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddPointer(GV);
+ ID.AddInteger(Offset);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new GlobalAddressSDNode(isTargetGA, GV, VT, Offset);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getTargetGlobalAddress(const GlobalValue *GV,
- MVT::ValueType VT, int offset) {
- SDNode *&N = TargetGlobalValues[std::make_pair(GV, offset)];
- if (N) return SDOperand(N, 0);
- N = new GlobalAddressSDNode(true, GV, VT, offset);
+SDOperand SelectionDAG::getFrameIndex(int FI, MVT::ValueType VT,
+ bool isTarget) {
+ unsigned Opc = isTarget ? ISD::TargetFrameIndex : ISD::FrameIndex;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddInteger(FI);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new FrameIndexSDNode(FI, VT, isTarget);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getFrameIndex(int FI, MVT::ValueType VT) {
- SDNode *&N = FrameIndices[FI];
- if (N) return SDOperand(N, 0);
- N = new FrameIndexSDNode(FI, VT, false);
+SDOperand SelectionDAG::getJumpTable(int JTI, MVT::ValueType VT, bool isTarget){
+ unsigned Opc = isTarget ? ISD::TargetJumpTable : ISD::JumpTable;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddInteger(JTI);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new JumpTableSDNode(JTI, VT, isTarget);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getTargetFrameIndex(int FI, MVT::ValueType VT) {
- SDNode *&N = TargetFrameIndices[FI];
- if (N) return SDOperand(N, 0);
- N = new FrameIndexSDNode(FI, VT, true);
+SDOperand SelectionDAG::getConstantPool(Constant *C, MVT::ValueType VT,
+ unsigned Alignment, int Offset,
+ bool isTarget) {
+ unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddInteger(Alignment);
+ ID.AddInteger(Offset);
+ ID.AddPointer(C);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getJumpTable(int JTI, MVT::ValueType VT) {
- SDNode *&N = JumpTableIndices[JTI];
- if (N) return SDOperand(N, 0);
- N = new JumpTableSDNode(JTI, VT, false);
- AllNodes.push_back(N);
- return SDOperand(N, 0);
-}
-SDOperand SelectionDAG::getTargetJumpTable(int JTI, MVT::ValueType VT) {
- SDNode *&N = TargetJumpTableIndices[JTI];
- if (N) return SDOperand(N, 0);
- N = new JumpTableSDNode(JTI, VT, true);
+SDOperand SelectionDAG::getConstantPool(MachineConstantPoolValue *C,
+ MVT::ValueType VT,
+ unsigned Alignment, int Offset,
+ bool isTarget) {
+ unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, getVTList(VT));
+ ID.AddInteger(Alignment);
+ ID.AddInteger(Offset);
+ C->AddSelectionDAGCSEId(ID);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getConstantPool(Constant *C, MVT::ValueType VT,
- unsigned Alignment, int Offset) {
- SDNode *&N = ConstantPoolIndices[std::make_pair(C,
- std::make_pair(Offset, Alignment))];
- if (N) return SDOperand(N, 0);
- N = new ConstantPoolSDNode(false, C, VT, Offset, Alignment);
- AllNodes.push_back(N);
- return SDOperand(N, 0);
-}
-
-SDOperand SelectionDAG::getTargetConstantPool(Constant *C, MVT::ValueType VT,
- unsigned Alignment, int Offset) {
- SDNode *&N = TargetConstantPoolIndices[std::make_pair(C,
- std::make_pair(Offset, Alignment))];
- if (N) return SDOperand(N, 0);
- N = new ConstantPoolSDNode(true, C, VT, Offset, Alignment);
- AllNodes.push_back(N);
- return SDOperand(N, 0);
-}
SDOperand SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
- SDNode *&N = BBNodes[MBB];
- if (N) return SDOperand(N, 0);
- N = new BasicBlockSDNode(MBB);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other));
+ ID.AddPointer(MBB);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new BasicBlockSDNode(MBB);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
}
SDOperand SelectionDAG::getRegister(unsigned RegNo, MVT::ValueType VT) {
- RegisterSDNode *&Reg = RegNodes[std::make_pair(RegNo, VT)];
- if (!Reg) {
- Reg = new RegisterSDNode(RegNo, VT);
- AllNodes.push_back(Reg);
- }
- return SDOperand(Reg, 0);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::Register, getVTList(VT));
+ ID.AddInteger(RegNo);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new RegisterSDNode(RegNo, VT);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDOperand(N, 0);
}
-SDOperand SelectionDAG::SimplifySetCC(MVT::ValueType VT, SDOperand N1,
- SDOperand N2, ISD::CondCode Cond) {
+SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) {
+ assert((!V || isa<PointerType>(V->getType())) &&
+ "SrcValue is not a pointer?");
+
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::SRCVALUE, getVTList(MVT::Other));
+ ID.AddPointer(V);
+ ID.AddInteger(Offset);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new SrcValueSDNode(V, Offset);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDOperand(N, 0);
+}
+
+SDOperand SelectionDAG::FoldSetCC(MVT::ValueType VT, SDOperand N1,
+ SDOperand N2, ISD::CondCode Cond) {
// These setcc operations always fold.
switch (Cond) {
default: break;
assert(!MVT::isInteger(N1.getValueType()) && "Illegal setcc for integer!");
break;
}
-
+
if (ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val)) {
uint64_t C2 = N2C->getValue();
if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val)) {
uint64_t C1 = N1C->getValue();
-
+
// Sign extend the operands if required
if (ISD::isSignedIntSetCC(Cond)) {
C1 = N1C->getSignExtended();
C2 = N2C->getSignExtended();
}
-
+
switch (Cond) {
default: assert(0 && "Unknown integer setcc!");
case ISD::SETEQ: return getConstant(C1 == C2, VT);
case ISD::SETLE: return getConstant((int64_t)C1 <= (int64_t)C2, VT);
case ISD::SETGE: return getConstant((int64_t)C1 >= (int64_t)C2, VT);
}
- } else {
- // If the LHS is a ZERO_EXTEND, perform the comparison on the input.
- if (N1.getOpcode() == ISD::ZERO_EXTEND) {
- unsigned InSize = MVT::getSizeInBits(N1.getOperand(0).getValueType());
-
- // If the comparison constant has bits in the upper part, the
- // zero-extended value could never match.
- if (C2 & (~0ULL << InSize)) {
- unsigned VSize = MVT::getSizeInBits(N1.getValueType());
- switch (Cond) {
- case ISD::SETUGT:
- case ISD::SETUGE:
- case ISD::SETEQ: return getConstant(0, VT);
- case ISD::SETULT:
- case ISD::SETULE:
- case ISD::SETNE: return getConstant(1, VT);
- case ISD::SETGT:
- case ISD::SETGE:
- // True if the sign bit of C2 is set.
- return getConstant((C2 & (1ULL << VSize)) != 0, VT);
- case ISD::SETLT:
- case ISD::SETLE:
- // True if the sign bit of C2 isn't set.
- return getConstant((C2 & (1ULL << VSize)) == 0, VT);
- default:
- break;
- }
- }
-
- // Otherwise, we can perform the comparison with the low bits.
- switch (Cond) {
- case ISD::SETEQ:
- case ISD::SETNE:
- case ISD::SETUGT:
- case ISD::SETUGE:
- case ISD::SETULT:
- case ISD::SETULE:
- return getSetCC(VT, N1.getOperand(0),
- getConstant(C2, N1.getOperand(0).getValueType()),
- Cond);
- default:
- break; // todo, be more careful with signed comparisons
- }
- } else if (N1.getOpcode() == ISD::SIGN_EXTEND_INREG &&
- (Cond == ISD::SETEQ || Cond == ISD::SETNE)) {
- MVT::ValueType ExtSrcTy = cast<VTSDNode>(N1.getOperand(1))->getVT();
- unsigned ExtSrcTyBits = MVT::getSizeInBits(ExtSrcTy);
- MVT::ValueType ExtDstTy = N1.getValueType();
- unsigned ExtDstTyBits = MVT::getSizeInBits(ExtDstTy);
-
- // If the extended part has any inconsistent bits, it cannot ever
- // compare equal. In other words, they have to be all ones or all
- // zeros.
- uint64_t ExtBits =
- (~0ULL >> (64-ExtSrcTyBits)) & (~0ULL << (ExtDstTyBits-1));
- if ((C2 & ExtBits) != 0 && (C2 & ExtBits) != ExtBits)
- return getConstant(Cond == ISD::SETNE, VT);
-
- // Otherwise, make this a use of a zext.
- return getSetCC(VT, getZeroExtendInReg(N1.getOperand(0), ExtSrcTy),
- getConstant(C2 & (~0ULL>>(64-ExtSrcTyBits)), ExtDstTy),
- Cond);
- }
-
- uint64_t MinVal, MaxVal;
- unsigned OperandBitSize = MVT::getSizeInBits(N2C->getValueType(0));
- if (ISD::isSignedIntSetCC(Cond)) {
- MinVal = 1ULL << (OperandBitSize-1);
- if (OperandBitSize != 1) // Avoid X >> 64, which is undefined.
- MaxVal = ~0ULL >> (65-OperandBitSize);
- else
- MaxVal = 0;
- } else {
- MinVal = 0;
- MaxVal = ~0ULL >> (64-OperandBitSize);
- }
-
- // Canonicalize GE/LE comparisons to use GT/LT comparisons.
- if (Cond == ISD::SETGE || Cond == ISD::SETUGE) {
- if (C2 == MinVal) return getConstant(1, VT); // X >= MIN --> true
- --C2; // X >= C1 --> X > (C1-1)
- return getSetCC(VT, N1, getConstant(C2, N2.getValueType()),
- (Cond == ISD::SETGE) ? ISD::SETGT : ISD::SETUGT);
- }
-
- if (Cond == ISD::SETLE || Cond == ISD::SETULE) {
- if (C2 == MaxVal) return getConstant(1, VT); // X <= MAX --> true
- ++C2; // X <= C1 --> X < (C1+1)
- return getSetCC(VT, N1, getConstant(C2, N2.getValueType()),
- (Cond == ISD::SETLE) ? ISD::SETLT : ISD::SETULT);
- }
-
- if ((Cond == ISD::SETLT || Cond == ISD::SETULT) && C2 == MinVal)
- return getConstant(0, VT); // X < MIN --> false
-
- // Canonicalize setgt X, Min --> setne X, Min
- if ((Cond == ISD::SETGT || Cond == ISD::SETUGT) && C2 == MinVal)
- return getSetCC(VT, N1, N2, ISD::SETNE);
-
- // If we have setult X, 1, turn it into seteq X, 0
- if ((Cond == ISD::SETLT || Cond == ISD::SETULT) && C2 == MinVal+1)
- return getSetCC(VT, N1, getConstant(MinVal, N1.getValueType()),
- ISD::SETEQ);
- // If we have setugt X, Max-1, turn it into seteq X, Max
- else if ((Cond == ISD::SETGT || Cond == ISD::SETUGT) && C2 == MaxVal-1)
- return getSetCC(VT, N1, getConstant(MaxVal, N1.getValueType()),
- ISD::SETEQ);
-
- // If we have "setcc X, C1", check to see if we can shrink the immediate
- // by changing cc.
-
- // SETUGT X, SINTMAX -> SETLT X, 0
- if (Cond == ISD::SETUGT && OperandBitSize != 1 &&
- C2 == (~0ULL >> (65-OperandBitSize)))
- return getSetCC(VT, N1, getConstant(0, N2.getValueType()), ISD::SETLT);
-
- // FIXME: Implement the rest of these.
-
-
- // Fold bit comparisons when we can.
- if ((Cond == ISD::SETEQ || Cond == ISD::SETNE) &&
- VT == N1.getValueType() && N1.getOpcode() == ISD::AND)
- if (ConstantSDNode *AndRHS =
- dyn_cast<ConstantSDNode>(N1.getOperand(1))) {
- if (Cond == ISD::SETNE && C2 == 0) {// (X & 8) != 0 --> (X & 8) >> 3
- // Perform the xform if the AND RHS is a single bit.
- if ((AndRHS->getValue() & (AndRHS->getValue()-1)) == 0) {
- return getNode(ISD::SRL, VT, N1,
- getConstant(Log2_64(AndRHS->getValue()),
- TLI.getShiftAmountTy()));
- }
- } else if (Cond == ISD::SETEQ && C2 == AndRHS->getValue()) {
- // (X & 8) == 8 --> (X & 8) >> 3
- // Perform the xform if C2 is a single bit.
- if ((C2 & (C2-1)) == 0) {
- return getNode(ISD::SRL, VT, N1,
- getConstant(Log2_64(C2),TLI.getShiftAmountTy()));
- }
- }
- }
}
- } else if (isa<ConstantSDNode>(N1.Val)) {
- // Ensure that the constant occurs on the RHS.
- return getSetCC(VT, N2, N1, ISD::getSetCCSwappedOperands(Cond));
}
-
if (ConstantFPSDNode *N1C = dyn_cast<ConstantFPSDNode>(N1.Val))
if (ConstantFPSDNode *N2C = dyn_cast<ConstantFPSDNode>(N2.Val)) {
double C1 = N1C->getValue(), C2 = N2C->getValue();
-
+
switch (Cond) {
default: break; // FIXME: Implement the rest of these!
case ISD::SETEQ: return getConstant(C1 == C2, VT);
// Ensure that the constant occurs on the RHS.
return getSetCC(VT, N2, N1, ISD::getSetCCSwappedOperands(Cond));
}
-
+
// Could not fold it.
return SDOperand();
}
+
/// getNode - Gets or creates the specified node.
///
SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT) {
- SDNode *&N = NullaryOps[std::make_pair(Opcode, VT)];
- if (!N) {
- N = new SDNode(Opcode, VT);
- AllNodes.push_back(N);
- }
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, getVTList(VT));
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new SDNode(Opcode, VT);
+ CSEMap.InsertNode(N, IP);
+
+ AllNodes.push_back(N);
return SDOperand(N, 0);
}
}
SDNode *N;
+ SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) { // Don't CSE flag producing nodes
- SDNode *&E = UnaryOps[std::make_pair(Opcode, std::make_pair(Operand, VT))];
- if (E) return SDOperand(E, 0);
- E = N = new SDNode(Opcode, Operand);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTs, Operand);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ N = new SDNode(Opcode, Operand);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
} else {
N = new SDNode(Opcode, Operand);
+ N->setValueTypes(VTs);
}
- N->setValueTypes(VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
}
}
- // Finally, fold operations that do not require constants.
+ // Fold operations.
switch (Opcode) {
+ case ISD::AND:
+ // (X & 0) -> 0. This commonly occurs when legalizing i64 values, so it's
+ // worth handling here.
+ if (N2C && N2C->getValue() == 0)
+ return N2;
+ break;
+ case ISD::OR:
+ case ISD::XOR:
+ // (X ^| 0) -> X. This commonly occurs when legalizing i64 values, so it's
+ // worth handling here.
+ if (N2C && N2C->getValue() == 0)
+ return N1;
+ break;
case ISD::FP_ROUND_INREG:
if (cast<VTSDNode>(N2)->getVT() == VT) return N1; // Not actually rounding.
break;
if (EVT == VT) return N1; // Not actually extending
break;
}
+ case ISD::EXTRACT_ELEMENT:
+ assert(N2C && (unsigned)N2C->getValue() < 2 && "Bad EXTRACT_ELEMENT!");
+
+ // EXTRACT_ELEMENT of BUILD_PAIR is often formed while legalize is expanding
+ // 64-bit integers into 32-bit parts. Instead of building the extract of
+ // the BUILD_PAIR, only to have legalize rip it apart, just do it now.
+ if (N1.getOpcode() == ISD::BUILD_PAIR)
+ return N1.getOperand(N2C->getValue());
+
+ // EXTRACT_ELEMENT of a constant int is also very common.
+ if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N1)) {
+ unsigned Shift = MVT::getSizeInBits(VT) * N2C->getValue();
+ return getConstant(C->getValue() >> Shift, VT);
+ }
+ break;
// FIXME: figure out how to safely handle things like
// int foo(int x) { return 1 << (x & 255); }
// Memoize this node if possible.
SDNode *N;
+ SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDNode *&BON = BinaryOps[std::make_pair(Opcode, std::make_pair(N1, N2))];
- if (BON) return SDOperand(BON, 0);
-
- BON = N = new SDNode(Opcode, N1, N2);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTs, N1, N2);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ N = new SDNode(Opcode, N1, N2);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
} else {
N = new SDNode(Opcode, N1, N2);
+ N->setValueTypes(VTs);
}
- N->setValueTypes(VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
//ConstantSDNode *N3C = dyn_cast<ConstantSDNode>(N3.Val);
switch (Opcode) {
case ISD::SETCC: {
- // Use SimplifySetCC to simplify SETCC's.
- SDOperand Simp = SimplifySetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
+ // Use FoldSetCC to simplify SETCC's.
+ SDOperand Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
if (Simp.Val) return Simp;
break;
}
break;
}
- std::vector<SDOperand> Ops;
- Ops.reserve(3);
- Ops.push_back(N1);
- Ops.push_back(N2);
- Ops.push_back(N3);
-
// Memoize node if it doesn't produce a flag.
SDNode *N;
+ SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDNode *&E = OneResultNodes[std::make_pair(Opcode,std::make_pair(VT, Ops))];
- if (E) return SDOperand(E, 0);
- E = N = new SDNode(Opcode, N1, N2, N3);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTs, N1, N2, N3);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ N = new SDNode(Opcode, N1, N2, N3);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
} else {
N = new SDNode(Opcode, N1, N2, N3);
+ N->setValueTypes(VTs);
}
- N->setValueTypes(VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
SDOperand N1, SDOperand N2, SDOperand N3,
SDOperand N4) {
- std::vector<SDOperand> Ops;
- Ops.reserve(4);
- Ops.push_back(N1);
- Ops.push_back(N2);
- Ops.push_back(N3);
- Ops.push_back(N4);
- return getNode(Opcode, VT, Ops);
+ SDOperand Ops[] = { N1, N2, N3, N4 };
+ return getNode(Opcode, VT, Ops, 4);
}
SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
SDOperand N1, SDOperand N2, SDOperand N3,
SDOperand N4, SDOperand N5) {
- std::vector<SDOperand> Ops;
- Ops.reserve(5);
- Ops.push_back(N1);
- Ops.push_back(N2);
- Ops.push_back(N3);
- Ops.push_back(N4);
- Ops.push_back(N5);
- return getNode(Opcode, VT, Ops);
+ SDOperand Ops[] = { N1, N2, N3, N4, N5 };
+ return getNode(Opcode, VT, Ops, 5);
}
SDOperand SelectionDAG::getLoad(MVT::ValueType VT,
SDOperand Chain, SDOperand Ptr,
- SDOperand SV) {
- SDNode *&N = Loads[std::make_pair(Ptr, std::make_pair(Chain, VT))];
- if (N) return SDOperand(N, 0);
- N = new SDNode(ISD::LOAD, Chain, Ptr, SV);
+ const Value *SV, int SVOffset,
+ bool isVolatile) {
+ // FIXME: Alignment == 1 for now.
+ unsigned Alignment = 1;
+ SDVTList VTs = getVTList(VT, MVT::Other);
+ SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::LOAD, VTs, Chain, Ptr, Undef);
+ ID.AddInteger(ISD::UNINDEXED);
+ ID.AddInteger(ISD::NON_EXTLOAD);
+ ID.AddInteger(VT);
+ ID.AddPointer(SV);
+ ID.AddInteger(SVOffset);
+ ID.AddInteger(Alignment);
+ ID.AddInteger(isVolatile);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new LoadSDNode(Chain, Ptr, Undef, ISD::UNINDEXED,
+ ISD::NON_EXTLOAD, VT, SV, SVOffset, Alignment,
+ isVolatile);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDOperand(N, 0);
+}
+
+SDOperand SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, MVT::ValueType VT,
+ SDOperand Chain, SDOperand Ptr, const Value *SV,
+ int SVOffset, MVT::ValueType EVT,
+ bool isVolatile) {
+ // If they are asking for an extending load from/to the same thing, return a
+ // normal load.
+ if (VT == EVT)
+ ExtType = ISD::NON_EXTLOAD;
+
+ if (MVT::isVector(VT))
+ assert(EVT == MVT::getVectorBaseType(VT) && "Invalid vector extload!");
+ else
+ assert(EVT < VT && "Should only be an extending load, not truncating!");
+ assert((ExtType == ISD::EXTLOAD || MVT::isInteger(VT)) &&
+ "Cannot sign/zero extend a FP/Vector load!");
+ assert(MVT::isInteger(VT) == MVT::isInteger(EVT) &&
+ "Cannot convert from FP to Int or Int -> FP!");
+
+ // FIXME: Alignment == 1 for now.
+ unsigned Alignment = 1;
+ SDVTList VTs = getVTList(VT, MVT::Other);
+ SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::LOAD, VTs, Chain, Ptr, Undef);
+ ID.AddInteger(ISD::UNINDEXED);
+ ID.AddInteger(ExtType);
+ ID.AddInteger(EVT);
+ ID.AddPointer(SV);
+ ID.AddInteger(SVOffset);
+ ID.AddInteger(Alignment);
+ ID.AddInteger(isVolatile);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new LoadSDNode(Chain, Ptr, Undef, ISD::UNINDEXED, ExtType, EVT,
+ SV, SVOffset, Alignment, isVolatile);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDOperand(N, 0);
+}
- // Loads have a token chain.
- setNodeValueTypes(N, VT, MVT::Other);
+SDOperand SelectionDAG::getIndexedLoad(SDOperand OrigLoad, SDOperand Base,
+ SDOperand Offset, ISD::MemOpAddrMode AM){
+ LoadSDNode *LD = cast<LoadSDNode>(OrigLoad);
+ assert(LD->getOffset().getOpcode() == ISD::UNDEF &&
+ "Load is already a indexed load!");
+ MVT::ValueType VT = OrigLoad.getValueType();
+ SDVTList VTs = getVTList(VT, Base.getValueType(), MVT::Other);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::LOAD, VTs, LD->getChain(), Base, Offset);
+ ID.AddInteger(AM);
+ ID.AddInteger(LD->getExtensionType());
+ ID.AddInteger(LD->getLoadedVT());
+ ID.AddPointer(LD->getSrcValue());
+ ID.AddInteger(LD->getSrcValueOffset());
+ ID.AddInteger(LD->getAlignment());
+ ID.AddInteger(LD->isVolatile());
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new LoadSDNode(LD->getChain(), Base, Offset, AM,
+ LD->getExtensionType(), LD->getLoadedVT(),
+ LD->getSrcValue(), LD->getSrcValueOffset(),
+ LD->getAlignment(), LD->isVolatile());
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getVecLoad(unsigned Count, MVT::ValueType EVT,
SDOperand Chain, SDOperand Ptr,
SDOperand SV) {
- std::vector<SDOperand> Ops;
- Ops.reserve(5);
- Ops.push_back(Chain);
- Ops.push_back(Ptr);
- Ops.push_back(SV);
- Ops.push_back(getConstant(Count, MVT::i32));
- Ops.push_back(getValueType(EVT));
- std::vector<MVT::ValueType> VTs;
- VTs.reserve(2);
- VTs.push_back(MVT::Vector); VTs.push_back(MVT::Other); // Add token chain.
- return getNode(ISD::VLOAD, VTs, Ops);
-}
-
-SDOperand SelectionDAG::getExtLoad(unsigned Opcode, MVT::ValueType VT,
- SDOperand Chain, SDOperand Ptr, SDOperand SV,
- MVT::ValueType EVT) {
- std::vector<SDOperand> Ops;
- Ops.reserve(4);
- Ops.push_back(Chain);
- Ops.push_back(Ptr);
- Ops.push_back(SV);
- Ops.push_back(getValueType(EVT));
- std::vector<MVT::ValueType> VTs;
- VTs.reserve(2);
- VTs.push_back(VT); VTs.push_back(MVT::Other); // Add token chain.
- return getNode(Opcode, VTs, Ops);
+ SDOperand Ops[] = { Chain, Ptr, SV, getConstant(Count, MVT::i32),
+ getValueType(EVT) };
+ return getNode(ISD::VLOAD, getVTList(MVT::Vector, MVT::Other), Ops, 5);
+}
+
+SDOperand SelectionDAG::getStore(SDOperand Chain, SDOperand Value,
+ SDOperand Ptr, const Value *SV, int SVOffset,
+ bool isVolatile) {
+ MVT::ValueType VT = Value.getValueType();
+
+ // FIXME: Alignment == 1 for now.
+ unsigned Alignment = 1;
+ SDVTList VTs = getVTList(MVT::Other);
+ SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDOperand Ops[] = { Chain, Value, Ptr, Undef };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
+ ID.AddInteger(ISD::UNINDEXED);
+ ID.AddInteger(false);
+ ID.AddInteger(VT);
+ ID.AddPointer(SV);
+ ID.AddInteger(SVOffset);
+ ID.AddInteger(Alignment);
+ ID.AddInteger(isVolatile);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new StoreSDNode(Chain, Value, Ptr, Undef, ISD::UNINDEXED, false,
+ VT, SV, SVOffset, Alignment, isVolatile);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) {
- assert((!V || isa<PointerType>(V->getType())) &&
- "SrcValue is not a pointer?");
- SDNode *&N = ValueNodes[std::make_pair(V, Offset)];
- if (N) return SDOperand(N, 0);
-
- N = new SrcValueSDNode(V, Offset);
+SDOperand SelectionDAG::getTruncStore(SDOperand Chain, SDOperand Value,
+ SDOperand Ptr, const Value *SV,
+ int SVOffset, MVT::ValueType SVT,
+ bool isVolatile) {
+ MVT::ValueType VT = Value.getValueType();
+ bool isTrunc = VT != SVT;
+
+ assert(VT > SVT && "Not a truncation?");
+ assert(MVT::isInteger(VT) == MVT::isInteger(SVT) &&
+ "Can't do FP-INT conversion!");
+
+ // FIXME: Alignment == 1 for now.
+ unsigned Alignment = 1;
+ SDVTList VTs = getVTList(MVT::Other);
+ SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDOperand Ops[] = { Chain, Value, Ptr, Undef };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
+ ID.AddInteger(ISD::UNINDEXED);
+ ID.AddInteger(isTrunc);
+ ID.AddInteger(SVT);
+ ID.AddPointer(SV);
+ ID.AddInteger(SVOffset);
+ ID.AddInteger(Alignment);
+ ID.AddInteger(isVolatile);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ SDNode *N = new StoreSDNode(Chain, Value, Ptr, Undef, ISD::UNINDEXED, isTrunc,
+ SVT, SV, SVOffset, Alignment, isVolatile);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getVAArg(MVT::ValueType VT,
SDOperand Chain, SDOperand Ptr,
SDOperand SV) {
- std::vector<SDOperand> Ops;
- Ops.reserve(3);
- Ops.push_back(Chain);
- Ops.push_back(Ptr);
- Ops.push_back(SV);
- std::vector<MVT::ValueType> VTs;
- VTs.reserve(2);
- VTs.push_back(VT); VTs.push_back(MVT::Other); // Add token chain.
- return getNode(ISD::VAARG, VTs, Ops);
+ SDOperand Ops[] = { Chain, Ptr, SV };
+ return getNode(ISD::VAARG, getVTList(VT, MVT::Other), Ops, 3);
}
SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
- std::vector<SDOperand> &Ops) {
- switch (Ops.size()) {
+ const SDOperand *Ops, unsigned NumOps) {
+ switch (NumOps) {
case 0: return getNode(Opcode, VT);
case 1: return getNode(Opcode, VT, Ops[0]);
case 2: return getNode(Opcode, VT, Ops[0], Ops[1]);
switch (Opcode) {
default: break;
- case ISD::TRUNCSTORE: {
- assert(Ops.size() == 5 && "TRUNCSTORE takes 5 operands!");
- MVT::ValueType EVT = cast<VTSDNode>(Ops[4])->getVT();
-#if 0 // FIXME: If the target supports EVT natively, convert to a truncate/store
- // If this is a truncating store of a constant, convert to the desired type
- // and store it instead.
- if (isa<Constant>(Ops[0])) {
- SDOperand Op = getNode(ISD::TRUNCATE, EVT, N1);
- if (isa<Constant>(Op))
- N1 = Op;
- }
- // Also for ConstantFP?
-#endif
- if (Ops[0].getValueType() == EVT) // Normal store?
- return getNode(ISD::STORE, VT, Ops[0], Ops[1], Ops[2], Ops[3]);
- assert(Ops[1].getValueType() > EVT && "Not a truncation?");
- assert(MVT::isInteger(Ops[1].getValueType()) == MVT::isInteger(EVT) &&
- "Can't do FP-INT conversion!");
- break;
- }
case ISD::SELECT_CC: {
- assert(Ops.size() == 5 && "SELECT_CC takes 5 operands!");
+ assert(NumOps == 5 && "SELECT_CC takes 5 operands!");
assert(Ops[0].getValueType() == Ops[1].getValueType() &&
"LHS and RHS of condition must have same type!");
assert(Ops[2].getValueType() == Ops[3].getValueType() &&
break;
}
case ISD::BR_CC: {
- assert(Ops.size() == 5 && "BR_CC takes 5 operands!");
+ assert(NumOps == 5 && "BR_CC takes 5 operands!");
assert(Ops[2].getValueType() == Ops[3].getValueType() &&
"LHS/RHS of comparison should match types!");
break;
// Memoize nodes.
SDNode *N;
+ SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDNode *&E =
- OneResultNodes[std::make_pair(Opcode, std::make_pair(VT, Ops))];
- if (E) return SDOperand(E, 0);
- E = N = new SDNode(Opcode, Ops);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTs, Ops, NumOps);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ N = new SDNode(Opcode, Ops, NumOps);
+ N->setValueTypes(VTs);
+ CSEMap.InsertNode(N, IP);
} else {
- N = new SDNode(Opcode, Ops);
+ N = new SDNode(Opcode, Ops, NumOps);
+ N->setValueTypes(VTs);
}
- N->setValueTypes(VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getNode(unsigned Opcode,
std::vector<MVT::ValueType> &ResultTys,
- std::vector<SDOperand> &Ops) {
- if (ResultTys.size() == 1)
- return getNode(Opcode, ResultTys[0], Ops);
+ const SDOperand *Ops, unsigned NumOps) {
+ return getNode(Opcode, getNodeValueTypes(ResultTys), ResultTys.size(),
+ Ops, NumOps);
+}
- switch (Opcode) {
- case ISD::EXTLOAD:
- case ISD::SEXTLOAD:
- case ISD::ZEXTLOAD: {
- MVT::ValueType EVT = cast<VTSDNode>(Ops[3])->getVT();
- assert(Ops.size() == 4 && ResultTys.size() == 2 && "Bad *EXTLOAD!");
- // If they are asking for an extending load from/to the same thing, return a
- // normal load.
- if (ResultTys[0] == EVT)
- return getLoad(ResultTys[0], Ops[0], Ops[1], Ops[2]);
- if (MVT::isVector(ResultTys[0])) {
- assert(EVT == MVT::getVectorBaseType(ResultTys[0]) &&
- "Invalid vector extload!");
- } else {
- assert(EVT < ResultTys[0] &&
- "Should only be an extending load, not truncating!");
- }
- assert((Opcode == ISD::EXTLOAD || MVT::isInteger(ResultTys[0])) &&
- "Cannot sign/zero extend a FP/Vector load!");
- assert(MVT::isInteger(ResultTys[0]) == MVT::isInteger(EVT) &&
- "Cannot convert from FP to Int or Int -> FP!");
- break;
- }
+SDOperand SelectionDAG::getNode(unsigned Opcode,
+ const MVT::ValueType *VTs, unsigned NumVTs,
+ const SDOperand *Ops, unsigned NumOps) {
+ if (NumVTs == 1)
+ return getNode(Opcode, VTs[0], Ops, NumOps);
+ return getNode(Opcode, makeVTList(VTs, NumVTs), Ops, NumOps);
+}
+
+SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ const SDOperand *Ops, unsigned NumOps) {
+ if (VTList.NumVTs == 1)
+ return getNode(Opcode, VTList.VTs[0], Ops, NumOps);
+ switch (Opcode) {
// FIXME: figure out how to safely handle things like
// int foo(int x) { return 1 << (x & 255); }
// int bar() { return foo(256); }
// Memoize the node unless it returns a flag.
SDNode *N;
- if (ResultTys.back() != MVT::Flag) {
- SDNode *&E =
- ArbitraryNodes[std::make_pair(Opcode, std::make_pair(ResultTys, Ops))];
- if (E) return SDOperand(E, 0);
- E = N = new SDNode(Opcode, Ops);
+ if (VTList.VTs[VTList.NumVTs-1] != MVT::Flag) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+ N = new SDNode(Opcode, Ops, NumOps);
+ N->setValueTypes(VTList);
+ CSEMap.InsertNode(N, IP);
} else {
- N = new SDNode(Opcode, Ops);
+ N = new SDNode(Opcode, Ops, NumOps);
+ N->setValueTypes(VTList);
}
- setNodeValueTypes(N, ResultTys);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
-void SelectionDAG::setNodeValueTypes(SDNode *N,
- std::vector<MVT::ValueType> &RetVals) {
- switch (RetVals.size()) {
- case 0: return;
- case 1: N->setValueTypes(RetVals[0]); return;
- case 2: setNodeValueTypes(N, RetVals[0], RetVals[1]); return;
- default: break;
- }
-
- std::list<std::vector<MVT::ValueType> >::iterator I =
- std::find(VTList.begin(), VTList.end(), RetVals);
- if (I == VTList.end()) {
- VTList.push_front(RetVals);
- I = VTList.begin();
- }
-
- N->setValueTypes(&(*I)[0], I->size());
+SDVTList SelectionDAG::getVTList(MVT::ValueType VT) {
+ return makeVTList(SDNode::getValueTypeList(VT), 1);
}
-void SelectionDAG::setNodeValueTypes(SDNode *N, MVT::ValueType VT1,
- MVT::ValueType VT2) {
+SDVTList SelectionDAG::getVTList(MVT::ValueType VT1, MVT::ValueType VT2) {
for (std::list<std::vector<MVT::ValueType> >::iterator I = VTList.begin(),
E = VTList.end(); I != E; ++I) {
- if (I->size() == 2 && (*I)[0] == VT1 && (*I)[1] == VT2) {
- N->setValueTypes(&(*I)[0], 2);
- return;
- }
+ if (I->size() == 2 && (*I)[0] == VT1 && (*I)[1] == VT2)
+ return makeVTList(&(*I)[0], 2);
}
std::vector<MVT::ValueType> V;
V.push_back(VT1);
V.push_back(VT2);
VTList.push_front(V);
- N->setValueTypes(&(*VTList.begin())[0], 2);
+ return makeVTList(&(*VTList.begin())[0], 2);
}
+SDVTList SelectionDAG::getVTList(MVT::ValueType VT1, MVT::ValueType VT2,
+ MVT::ValueType VT3) {
+ for (std::list<std::vector<MVT::ValueType> >::iterator I = VTList.begin(),
+ E = VTList.end(); I != E; ++I) {
+ if (I->size() == 3 && (*I)[0] == VT1 && (*I)[1] == VT2 &&
+ (*I)[2] == VT3)
+ return makeVTList(&(*I)[0], 3);
+ }
+ std::vector<MVT::ValueType> V;
+ V.push_back(VT1);
+ V.push_back(VT2);
+ V.push_back(VT3);
+ VTList.push_front(V);
+ return makeVTList(&(*VTList.begin())[0], 3);
+}
+
+SDVTList SelectionDAG::getVTList(const MVT::ValueType *VTs, unsigned NumVTs) {
+ switch (NumVTs) {
+ case 0: assert(0 && "Cannot have nodes without results!");
+ case 1: return makeVTList(SDNode::getValueTypeList(VTs[0]), 1);
+ case 2: return getVTList(VTs[0], VTs[1]);
+ case 3: return getVTList(VTs[0], VTs[1], VTs[2]);
+ default: break;
+ }
+
+ for (std::list<std::vector<MVT::ValueType> >::iterator I = VTList.begin(),
+ E = VTList.end(); I != E; ++I) {
+ if (I->size() != NumVTs || VTs[0] != (*I)[0] || VTs[1] != (*I)[1]) continue;
+
+ bool NoMatch = false;
+ for (unsigned i = 2; i != NumVTs; ++i)
+ if (VTs[i] != (*I)[i]) {
+ NoMatch = true;
+ break;
+ }
+ if (!NoMatch)
+ return makeVTList(&*I->begin(), NumVTs);
+ }
+
+ VTList.push_front(std::vector<MVT::ValueType>(VTs, VTs+NumVTs));
+ return makeVTList(&*VTList.begin()->begin(), NumVTs);
+}
+
/// UpdateNodeOperands - *Mutate* the specified node in-place to have the
/// specified operands. If the resultant node already exists in the DAG,
if (Op == N->getOperand(0)) return InN;
// See if the modified node already exists.
- SDNode **NewSlot = FindModifiedNodeSlot(N, Op);
- if (NewSlot && *NewSlot)
- return SDOperand(*NewSlot, InN.ResNo);
+ void *InsertPos = 0;
+ if (SDNode *Existing = FindModifiedNodeSlot(N, Op, InsertPos))
+ return SDOperand(Existing, InN.ResNo);
// Nope it doesn't. Remove the node from it's current place in the maps.
- if (NewSlot)
+ if (InsertPos)
RemoveNodeFromCSEMaps(N);
// Now we update the operands.
N->OperandList[0] = Op;
// If this gets put into a CSE map, add it.
- if (NewSlot) *NewSlot = N;
+ if (InsertPos) CSEMap.InsertNode(N, InsertPos);
return InN;
}
return InN; // No operands changed, just return the input node.
// See if the modified node already exists.
- SDNode **NewSlot = FindModifiedNodeSlot(N, Op1, Op2);
- if (NewSlot && *NewSlot)
- return SDOperand(*NewSlot, InN.ResNo);
+ void *InsertPos = 0;
+ if (SDNode *Existing = FindModifiedNodeSlot(N, Op1, Op2, InsertPos))
+ return SDOperand(Existing, InN.ResNo);
// Nope it doesn't. Remove the node from it's current place in the maps.
- if (NewSlot)
+ if (InsertPos)
RemoveNodeFromCSEMaps(N);
// Now we update the operands.
}
// If this gets put into a CSE map, add it.
- if (NewSlot) *NewSlot = N;
+ if (InsertPos) CSEMap.InsertNode(N, InsertPos);
return InN;
}
SDOperand SelectionDAG::
UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2, SDOperand Op3) {
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- return UpdateNodeOperands(N, Ops);
+ SDOperand Ops[] = { Op1, Op2, Op3 };
+ return UpdateNodeOperands(N, Ops, 3);
}
SDOperand SelectionDAG::
UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
SDOperand Op3, SDOperand Op4) {
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- return UpdateNodeOperands(N, Ops);
+ SDOperand Ops[] = { Op1, Op2, Op3, Op4 };
+ return UpdateNodeOperands(N, Ops, 4);
}
SDOperand SelectionDAG::
UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
SDOperand Op3, SDOperand Op4, SDOperand Op5) {
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- return UpdateNodeOperands(N, Ops);
+ SDOperand Ops[] = { Op1, Op2, Op3, Op4, Op5 };
+ return UpdateNodeOperands(N, Ops, 5);
}
SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, const std::vector<SDOperand> &Ops) {
+UpdateNodeOperands(SDOperand InN, SDOperand *Ops, unsigned NumOps) {
SDNode *N = InN.Val;
- assert(N->getNumOperands() == Ops.size() &&
+ assert(N->getNumOperands() == NumOps &&
"Update with wrong number of operands");
// Check to see if there is no change.
- unsigned NumOps = Ops.size();
bool AnyChange = false;
for (unsigned i = 0; i != NumOps; ++i) {
if (Ops[i] != N->getOperand(i)) {
if (!AnyChange) return InN;
// See if the modified node already exists.
- SDNode **NewSlot = FindModifiedNodeSlot(N, Ops);
- if (NewSlot && *NewSlot)
- return SDOperand(*NewSlot, InN.ResNo);
+ void *InsertPos = 0;
+ if (SDNode *Existing = FindModifiedNodeSlot(N, Ops, NumOps, InsertPos))
+ return SDOperand(Existing, InN.ResNo);
// Nope it doesn't. Remove the node from it's current place in the maps.
- if (NewSlot)
+ if (InsertPos)
RemoveNodeFromCSEMaps(N);
// Now we update the operands.
}
// If this gets put into a CSE map, add it.
- if (NewSlot) *NewSlot = N;
+ if (InsertPos) CSEMap.InsertNode(N, InsertPos);
return InN;
}
/// Note that SelectNodeTo returns the resultant node. If there is already a
/// node of the specified opcode and operands, it returns that node instead of
/// the current one.
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT) {
- // If an identical node already exists, use it.
- SDNode *&ON = NullaryOps[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc, VT)];
- if (ON) return SDOperand(ON, 0);
-
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT) {
+ SDVTList VTs = getVTList(VT);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
+
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
+ N->setValueTypes(VTs);
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP);
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT, SDOperand Op1) {
// If an identical node already exists, use it.
- SDNode *&ON = UnaryOps[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(Op1, VT))];
- if (ON) return SDOperand(ON, 0);
-
+ SDVTList VTs = getVTList(VT);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Op1);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
+
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
+ N->setValueTypes(VTs);
N->setOperands(Op1);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP);
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT, SDOperand Op1,
+ SDOperand Op2) {
// If an identical node already exists, use it.
- SDNode *&ON = BinaryOps[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(Op1, Op2))];
- if (ON) return SDOperand(ON, 0);
-
+ SDVTList VTs = getVTList(VT);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Op1, Op2);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
+
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
+ N->setValueTypes(VTs);
N->setOperands(Op1, Op2);
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP); // Memoize the new node.
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT, SDOperand Op1,
+ SDOperand Op2, SDOperand Op3) {
// If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VT, OpList))];
- if (ON) return SDOperand(ON, 0);
-
+ SDVTList VTs = getVTList(VT);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Op1, Op2, Op3);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
+
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
+ N->setValueTypes(VTs);
N->setOperands(Op1, Op2, Op3);
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
-}
-
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3,
- SDOperand Op4) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4);
- SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VT, OpList))];
- if (ON) return SDOperand(ON, 0);
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
- N->setOperands(Op1, Op2, Op3, Op4);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP); // Memoize the new node.
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3,SDOperand Op4,
- SDOperand Op5) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT, const SDOperand *Ops,
+ unsigned NumOps) {
// If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4); OpList.push_back(Op5);
- SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VT, OpList))];
- if (ON) return SDOperand(ON, 0);
-
+ SDVTList VTs = getVTList(VT);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, NumOps);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
+
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
- N->setOperands(Op1, Op2, Op3, Op4, Op5);
+ N->setValueTypes(VTs);
+ N->setOperands(Ops, NumOps);
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP); // Memoize the new node.
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3,SDOperand Op4,
- SDOperand Op5, SDOperand Op6) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4); OpList.push_back(Op5); OpList.push_back(Op6);
- SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VT, OpList))];
- if (ON) return SDOperand(ON, 0);
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT1, MVT::ValueType VT2,
+ SDOperand Op1, SDOperand Op2) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Op1, Op2);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
- N->setOperands(Op1, Op2, Op3, Op4, Op5, Op6);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
-}
-
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3,SDOperand Op4,
- SDOperand Op5, SDOperand Op6,
- SDOperand Op7) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4); OpList.push_back(Op5); OpList.push_back(Op6);
- OpList.push_back(Op7);
- SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VT, OpList))];
- if (ON) return SDOperand(ON, 0);
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
- N->setOperands(Op1, Op2, Op3, Op4, Op5, Op6, Op7);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
-}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3,SDOperand Op4,
- SDOperand Op5, SDOperand Op6,
- SDOperand Op7, SDOperand Op8) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4); OpList.push_back(Op5); OpList.push_back(Op6);
- OpList.push_back(Op7); OpList.push_back(Op8);
- SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VT, OpList))];
- if (ON) return SDOperand(ON, 0);
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- N->setValueTypes(VT);
- N->setOperands(Op1, Op2, Op3, Op4, Op5, Op6, Op7, Op8);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
-}
-
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT1, MVT::ValueType VT2,
- SDOperand Op1, SDOperand Op2) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2);
- std::vector<MVT::ValueType> VTList;
- VTList.push_back(VT1); VTList.push_back(VT2);
- SDNode *&ON = ArbitraryNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VTList, OpList))];
- if (ON) return SDOperand(ON, 0);
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- setNodeValueTypes(N, VT1, VT2);
+ N->setValueTypes(VTs);
N->setOperands(Op1, Op2);
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP); // Memoize the new node.
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT1, MVT::ValueType VT2,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT1, MVT::ValueType VT2,
+ SDOperand Op1, SDOperand Op2,
+ SDOperand Op3) {
// If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- std::vector<MVT::ValueType> VTList;
- VTList.push_back(VT1); VTList.push_back(VT2);
- SDNode *&ON = ArbitraryNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VTList, OpList))];
- if (ON) return SDOperand(ON, 0);
+ SDVTList VTs = getVTList(VT1, VT2);
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Op1, Op2, Op3);
+ void *IP = 0;
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
RemoveNodeFromCSEMaps(N);
N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- setNodeValueTypes(N, VT1, VT2);
+ N->setValueTypes(VTs);
N->setOperands(Op1, Op2, Op3);
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
+ CSEMap.InsertNode(N, IP); // Memoize the new node.
+ return N;
}
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT1, MVT::ValueType VT2,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4);
- std::vector<MVT::ValueType> VTList;
- VTList.push_back(VT1); VTList.push_back(VT2);
- SDNode *&ON = ArbitraryNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VTList, OpList))];
- if (ON) return SDOperand(ON, 0);
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- setNodeValueTypes(N, VT1, VT2);
- N->setOperands(Op1, Op2, Op3, Op4);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
-}
-
-SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT::ValueType VT1, MVT::ValueType VT2,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4,
- SDOperand Op5) {
- // If an identical node already exists, use it.
- std::vector<SDOperand> OpList;
- OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
- OpList.push_back(Op4); OpList.push_back(Op5);
- std::vector<MVT::ValueType> VTList;
- VTList.push_back(VT1); VTList.push_back(VT2);
- SDNode *&ON = ArbitraryNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
- std::make_pair(VTList, OpList))];
- if (ON) return SDOperand(ON, 0);
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
- setNodeValueTypes(N, VT1, VT2);
- N->setOperands(Op1, Op2, Op3, Op4, Op5);
-
- ON = N; // Memoize the new node.
- return SDOperand(N, 0);
-}
/// getTargetNode - These are used for target selectors to create a new node
/// with specified return type(s), target opcode, and operands.
return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3, Op4).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4, SDOperand Op5) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3, Op4, Op5).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4, SDOperand Op5, SDOperand Op6) {
- std::vector<SDOperand> Ops;
- Ops.reserve(6);
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4, SDOperand Op5, SDOperand Op6,
- SDOperand Op7) {
- std::vector<SDOperand> Ops;
- Ops.reserve(7);
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- Ops.push_back(Op7);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT,
- SDOperand Op1, SDOperand Op2, SDOperand Op3,
- SDOperand Op4, SDOperand Op5, SDOperand Op6,
- SDOperand Op7, SDOperand Op8) {
- std::vector<SDOperand> Ops;
- Ops.reserve(8);
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- Ops.push_back(Op7);
- Ops.push_back(Op8);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT,
- std::vector<SDOperand> &Ops) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops).Val;
+ const SDOperand *Ops, unsigned NumOps) {
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops, NumOps).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
MVT::ValueType VT2, SDOperand Op1) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
+ const MVT::ValueType *VTs = getNodeValueTypes(VT1, VT2);
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, &Op1, 1).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
+ MVT::ValueType VT2, SDOperand Op1,
+ SDOperand Op2) {
+ const MVT::ValueType *VTs = getNodeValueTypes(VT1, VT2);
+ SDOperand Ops[] = { Op1, Op2 };
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, Ops, 2).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5,
- SDOperand Op6) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
+ MVT::ValueType VT2, SDOperand Op1,
+ SDOperand Op2, SDOperand Op3) {
+ const MVT::ValueType *VTs = getNodeValueTypes(VT1, VT2);
+ SDOperand Ops[] = { Op1, Op2, Op3 };
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, Ops, 3).Val;
}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5,
- SDOperand Op6, SDOperand Op7) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- Ops.push_back(Op7);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
+ MVT::ValueType VT2,
+ const SDOperand *Ops, unsigned NumOps) {
+ const MVT::ValueType *VTs = getNodeValueTypes(VT1, VT2);
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, Ops, NumOps).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
MVT::ValueType VT2, MVT::ValueType VT3,
SDOperand Op1, SDOperand Op2) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- ResultTys.push_back(VT3);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, MVT::ValueType VT3,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- ResultTys.push_back(VT3);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, MVT::ValueType VT3,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5,
- SDOperand Op6) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- ResultTys.push_back(VT3);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
-}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, MVT::ValueType VT3,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5,
- SDOperand Op6, SDOperand Op7) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- ResultTys.push_back(VT3);
- std::vector<SDOperand> Ops;
- Ops.push_back(Op1);
- Ops.push_back(Op2);
- Ops.push_back(Op3);
- Ops.push_back(Op4);
- Ops.push_back(Op5);
- Ops.push_back(Op6);
- Ops.push_back(Op7);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
+ const MVT::ValueType *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ SDOperand Ops[] = { Op1, Op2 };
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 3, Ops, 2).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT::ValueType VT1,
- MVT::ValueType VT2, std::vector<SDOperand> &Ops) {
- std::vector<MVT::ValueType> ResultTys;
- ResultTys.push_back(VT1);
- ResultTys.push_back(VT2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops).Val;
+ MVT::ValueType VT2, MVT::ValueType VT3,
+ const SDOperand *Ops, unsigned NumOps) {
+ const MVT::ValueType *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 3, Ops, NumOps).Val;
}
-// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
+/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG.
///
/// This version assumes From/To have a single result value.
/// This version can replace From with any result values. To must match the
/// number and types of values returned by From.
void SelectionDAG::ReplaceAllUsesWith(SDNode *From,
- const std::vector<SDOperand> &To,
+ const SDOperand *To,
std::vector<SDNode*> *Deleted) {
- assert(From->getNumValues() == To.size() &&
- "Incorrect number of values to replace with!");
- if (To.size() == 1 && To[0].Val->getNumValues() == 1) {
+ if (From->getNumValues() == 1 && To[0].Val->getNumValues() == 1) {
// Degenerate case handled above.
ReplaceAllUsesWith(SDOperand(From, 0), To[0], Deleted);
return;
}
-/// AssignNodeIds - Assign a unique node id for each node in the DAG. It returns
-/// the maximum id.
+/// AssignNodeIds - Assign a unique node id for each node in the DAG based on
+/// their allnodes order. It returns the maximum id.
unsigned SelectionDAG::AssignNodeIds() {
unsigned Id = 0;
for (allnodes_iterator I = allnodes_begin(), E = allnodes_end(); I != E; ++I){
return Id;
}
+/// AssignTopologicalOrder - Assign a unique node id for each node in the DAG
+/// based on their topological order. It returns the maximum id and a vector
+/// of the SDNodes* in assigned order by reference.
+unsigned SelectionDAG::AssignTopologicalOrder(std::vector<SDNode*> &TopOrder) {
+ unsigned DAGSize = AllNodes.size();
+ std::vector<unsigned> InDegree(DAGSize);
+ std::vector<SDNode*> Sources;
+
+ // Use a two pass approach to avoid using a std::map which is slow.
+ unsigned Id = 0;
+ for (allnodes_iterator I = allnodes_begin(),E = allnodes_end(); I != E; ++I){
+ SDNode *N = I;
+ N->setNodeId(Id++);
+ unsigned Degree = N->use_size();
+ InDegree[N->getNodeId()] = Degree;
+ if (Degree == 0)
+ Sources.push_back(N);
+ }
+
+ TopOrder.clear();
+ while (!Sources.empty()) {
+ SDNode *N = Sources.back();
+ Sources.pop_back();
+ TopOrder.push_back(N);
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
+ SDNode *P = I->Val;
+ unsigned Degree = --InDegree[P->getNodeId()];
+ if (Degree == 0)
+ Sources.push_back(P);
+ }
+ }
+
+ // Second pass, assign the actual topological order as node ids.
+ Id = 0;
+ for (std::vector<SDNode*>::iterator TI = TopOrder.begin(),TE = TopOrder.end();
+ TI != TE; ++TI)
+ (*TI)->setNodeId(Id++);
+
+ return Id;
+}
+
+
//===----------------------------------------------------------------------===//
// SDNode Class
void SDNode::ANCHOR() {
}
+/// Profile - Gather unique data for the node.
+///
+void SDNode::Profile(FoldingSetNodeID &ID) {
+ AddNodeIDNode(ID, this);
+}
/// getValueTypeList - Return a pointer to the specified value type.
///
VTs[VT] = VT;
return &VTs[VT];
}
-
+
/// hasNUsesOfValue - Return true if there are exactly NUSES uses of the
/// indicated value. This method ignores uses of other values defined by this
/// operation.
std::set<SDNode*> UsersHandled;
- for (std::vector<SDNode*>::const_iterator UI = Uses.begin(), E = Uses.end();
- UI != E; ++UI) {
+ for (SDNode::use_iterator UI = Uses.begin(), E = Uses.end(); UI != E; ++UI) {
SDNode *User = *UI;
if (User->getNumOperands() == 1 ||
UsersHandled.insert(User).second) // First time we've seen this?
return false;
}
+uint64_t SDNode::getConstantOperandVal(unsigned Num) const {
+ assert(Num < NumOperands && "Invalid child # of SDNode!");
+ return cast<ConstantSDNode>(OperandList[Num])->getValue();
+}
+
const char *SDNode::getOperationName(const SelectionDAG *G) const {
switch (getOpcode()) {
default:
case ISD::GlobalAddress: return "GlobalAddress";
case ISD::FrameIndex: return "FrameIndex";
case ISD::JumpTable: return "JumpTable";
+ case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
case ISD::ConstantPool: return "ConstantPool";
case ISD::ExternalSymbol: return "ExternalSymbol";
case ISD::INTRINSIC_WO_CHAIN: {
case ISD::FSQRT: return "fsqrt";
case ISD::FSIN: return "fsin";
case ISD::FCOS: return "fcos";
+ case ISD::FPOWI: return "fpowi";
// Binary operators
case ISD::ADD: return "add";
case ISD::LOAD: return "load";
case ISD::STORE: return "store";
case ISD::VLOAD: return "vload";
- case ISD::EXTLOAD: return "extload";
- case ISD::SEXTLOAD: return "sextload";
- case ISD::ZEXTLOAD: return "zextload";
- case ISD::TRUNCSTORE: return "truncstore";
case ISD::VAARG: return "vaarg";
case ISD::VACOPY: return "vacopy";
case ISD::VAEND: return "vaend";
}
}
+const char *SDNode::getAddressingModeName(ISD::MemOpAddrMode AM) {
+ switch (AM) {
+ default:
+ return "";
+ case ISD::PRE_INC:
+ return "<pre-inc>";
+ case ISD::PRE_DEC:
+ return "<pre-dec>";
+ case ISD::POST_INC:
+ return "<post-inc>";
+ case ISD::POST_DEC:
+ return "<post-dec>";
+ }
+}
+
void SDNode::dump() const { dump(0); }
void SDNode::dump(const SelectionDAG *G) const {
std::cerr << (void*)this << ": ";
std::cerr << "<" << FIDN->getIndex() << ">";
} else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
int offset = CP->getOffset();
- std::cerr << "<" << *CP->get() << ">";
+ if (CP->isMachineConstantPoolEntry())
+ std::cerr << "<" << *CP->getMachineCPVal() << ">";
+ else
+ std::cerr << "<" << *CP->getConstVal() << ">";
if (offset > 0)
std::cerr << " + " << offset;
else
std::cerr << "<null:" << M->getOffset() << ">";
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
std::cerr << ":" << getValueTypeString(N->getVT());
+ } else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
+ bool doExt = true;
+ switch (LD->getExtensionType()) {
+ default: doExt = false; break;
+ case ISD::EXTLOAD:
+ std::cerr << " <anyext ";
+ break;
+ case ISD::SEXTLOAD:
+ std::cerr << " <sext ";
+ break;
+ case ISD::ZEXTLOAD:
+ std::cerr << " <zext ";
+ break;
+ }
+ if (doExt)
+ std::cerr << MVT::getValueTypeString(LD->getLoadedVT()) << ">";
+
+ const char *AM = getAddressingModeName(LD->getAddressingMode());
+ if (AM != "")
+ std::cerr << " " << AM;
+ } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
+ if (ST->isTruncatingStore())
+ std::cerr << " <trunc "
+ << MVT::getValueTypeString(ST->getStoredVT()) << ">";
+
+ const char *AM = getAddressingModeName(ST->getAddressingMode());
+ if (AM != "")
+ std::cerr << " " << AM;
}
}
DumpNodes(Nodes[i], 2, this);
}
- DumpNodes(getRoot().Val, 2, this);
+ if (getRoot().Val) DumpNodes(getRoot().Val, 2, this);
std::cerr << "\n\n";
}
-/// InsertISelMapEntry - A helper function to insert a key / element pair
-/// into a SDOperand to SDOperand map. This is added to avoid the map
-/// insertion operator from being inlined.
-void SelectionDAG::InsertISelMapEntry(std::map<SDOperand, SDOperand> &Map,
- SDNode *Key, unsigned KeyResNo,
- SDNode *Element, unsigned ElementResNo) {
- Map.insert(std::make_pair(SDOperand(Key, KeyResNo),
- SDOperand(Element, ElementResNo)));
-}
-
-/// InsertInFlightSetEntry - A helper function to insert a SDNode* to a
-/// SDNode* set. This is added to avoid the set insertion operator from being
-/// inlined.
-void SelectionDAG::InsertInFlightSetEntry(std::set<SDNode*> &Set, SDNode *N) {
- Set.insert(N);
-}
-
-/// RemoveInFlightSetEntry - A helper function to remove a SDNode* from a
-/// SDNode* set. This is added to avoid the set removal operator from being
-/// inlined.
-void SelectionDAG::RemoveInFlightSetEntry(std::set<SDNode*> &Set, SDNode *N) {
- Set.erase(N);
+const Type *ConstantPoolSDNode::getType() const {
+ if (isMachineConstantPoolEntry())
+ return Val.MachineCPVal->getType();
+ return Val.ConstVal->getType();
}
projects / oota-llvm.git / blobdiff