// Do not accept build_vectors that aren't all constants or which have non-~0
// elements.
- SDOperand NotZero = N->getOperand(i);
+ SDValue NotZero = N->getOperand(i);
if (isa<ConstantSDNode>(NotZero)) {
if (!cast<ConstantSDNode>(NotZero)->isAllOnesValue())
return false;
// Do not accept build_vectors that aren't all constants or which have non-~0
// elements.
- SDOperand Zero = N->getOperand(i);
+ SDValue Zero = N->getOperand(i);
if (isa<ConstantSDNode>(Zero)) {
if (!cast<ConstantSDNode>(Zero)->isNullValue())
return false;
return false;
unsigned NumElems = N->getNumOperands();
for (unsigned i = 1; i < NumElems; ++i) {
- SDOperand V = N->getOperand(i);
+ SDValue V = N->getOperand(i);
if (V.getOpcode() != ISD::UNDEF)
return false;
}
/// isDebugLabel - Return true if the specified node represents a debug
/// label (i.e. ISD::DBG_LABEL or TargetInstrInfo::DBG_LABEL node).
bool ISD::isDebugLabel(const SDNode *N) {
- SDOperand Zero;
+ SDValue Zero;
if (N->getOpcode() == ISD::DBG_LABEL)
return true;
- if (N->isTargetOpcode() &&
- N->getTargetOpcode() == TargetInstrInfo::DBG_LABEL)
+ if (N->isMachineOpcode() &&
+ N->getMachineOpcode() == TargetInstrInfo::DBG_LABEL)
return true;
return false;
}
/// AddNodeIDOperands - Various routines for adding operands to the NodeID data.
///
static void AddNodeIDOperands(FoldingSetNodeID &ID,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
for (; NumOps; --NumOps, ++Ops) {
ID.AddPointer(Ops->Val);
ID.AddInteger(Ops->ResNo);
static void AddNodeIDOperands(FoldingSetNodeID &ID,
const SDUse *Ops, unsigned NumOps) {
for (; NumOps; --NumOps, ++Ops) {
- ID.AddPointer(Ops->getSDOperand().Val);
- ID.AddInteger(Ops->getSDOperand().ResNo);
+ ID.AddPointer(Ops->getVal());
+ ID.AddInteger(Ops->getSDValue().ResNo);
}
}
static void AddNodeIDNode(FoldingSetNodeID &ID,
unsigned short OpC, SDVTList VTList,
- const SDOperand *OpList, unsigned N) {
+ const SDValue *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) {
+static void AddNodeIDNode(FoldingSetNodeID &ID, const SDNode *N) {
AddNodeIDOpcode(ID, N->getOpcode());
// Add the return value info.
AddNodeIDValueTypes(ID, N->getVTList());
case ISD::GlobalAddress:
case ISD::TargetGlobalTLSAddress:
case ISD::GlobalTLSAddress: {
- GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(N);
+ const GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(N);
ID.AddPointer(GA->getGlobal());
ID.AddInteger(GA->getOffset());
break;
ID.AddPointer(DSP->getCompileUnit());
break;
}
- case ISD::DBG_LABEL:
- case ISD::EH_LABEL:
- ID.AddInteger(cast<LabelSDNode>(N)->getLabelID());
- break;
case ISD::SRCVALUE:
ID.AddPointer(cast<SrcValueSDNode>(N)->getValue());
break;
case ISD::MEMOPERAND: {
const MachineMemOperand &MO = cast<MemOperandSDNode>(N)->MO;
- ID.AddPointer(MO.getValue());
- ID.AddInteger(MO.getFlags());
- ID.AddInteger(MO.getOffset());
- ID.AddInteger(MO.getSize());
- ID.AddInteger(MO.getAlignment());
+ MO.Profile(ID);
break;
}
case ISD::FrameIndex:
break;
case ISD::ConstantPool:
case ISD::TargetConstantPool: {
- ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(N);
+ const ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(N);
ID.AddInteger(CP->getAlignment());
ID.AddInteger(CP->getOffset());
if (CP->isMachineConstantPoolEntry())
break;
}
case ISD::LOAD: {
- LoadSDNode *LD = cast<LoadSDNode>(N);
+ const LoadSDNode *LD = cast<LoadSDNode>(N);
ID.AddInteger(LD->getAddressingMode());
ID.AddInteger(LD->getExtensionType());
ID.AddInteger(LD->getMemoryVT().getRawBits());
- ID.AddInteger(LD->getAlignment());
- ID.AddInteger(LD->isVolatile());
+ ID.AddInteger(LD->getRawFlags());
break;
}
case ISD::STORE: {
- StoreSDNode *ST = cast<StoreSDNode>(N);
+ const StoreSDNode *ST = cast<StoreSDNode>(N);
ID.AddInteger(ST->getAddressingMode());
ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getAlignment());
- ID.AddInteger(ST->isVolatile());
+ ID.AddInteger(ST->getRawFlags());
break;
}
case ISD::ATOMIC_CMP_SWAP:
case ISD::ATOMIC_LOAD_MAX:
case ISD::ATOMIC_LOAD_UMIN:
case ISD::ATOMIC_LOAD_UMAX: {
- AtomicSDNode *AT = cast<AtomicSDNode>(N);
- ID.AddInteger(AT->getAlignment());
- ID.AddInteger(AT->isVolatile());
+ const AtomicSDNode *AT = cast<AtomicSDNode>(N);
+ ID.AddInteger(AT->getRawFlags());
break;
}
} // end switch (N->getOpcode())
}
+/// encodeMemSDNodeFlags - Generic routine for computing a value for use in
+/// the CSE map that carries both alignment and volatility information.
+///
+static unsigned encodeMemSDNodeFlags(bool isVolatile, unsigned Alignment) {
+ return isVolatile | ((Log2_32(Alignment) + 1) << 1);
+}
+
//===----------------------------------------------------------------------===//
// SelectionDAG Class
//===----------------------------------------------------------------------===//
-inline alist_traits<SDNode, LargestSDNode>::AllocatorType &
-SelectionDAG::getAllocator() {
- return AllNodes.getTraits().Allocator;
-}
-
/// RemoveDeadNodes - This method deletes all unreachable nodes in the
/// SelectionDAG.
void SelectionDAG::RemoveDeadNodes() {
N->NumOperands = 0;
// Finally, remove N itself.
- AllNodes.erase(N);
+ AllNodes.remove(N);
}
}
void SelectionDAG::RemoveDeadNode(SDNode *N, DAGUpdateListener *UpdateListener){
- SmallVector<SDNode*, 16> DeadNodes;
- DeadNodes.push_back(N);
+ SmallVector<SDNode*, 16> DeadNodes(1, N);
RemoveDeadNodes(DeadNodes, UpdateListener);
}
N->OperandList = 0;
N->NumOperands = 0;
- AllNodes.erase(N);
+ AllNodes.remove(N);
}
/// RemoveNodeFromCSEMaps - Take the specified node out of the CSE map that
// flag result (which cannot be CSE'd) or is one of the special cases that are
// not subject to CSE.
if (!Erased && N->getValueType(N->getNumValues()-1) != MVT::Flag &&
- !N->isTargetOpcode()) {
+ !N->isTargetOpcode() &&
+ N->getOpcode() != ISD::DBG_LABEL &&
+ N->getOpcode() != ISD::DBG_STOPPOINT &&
+ N->getOpcode() != ISD::EH_LABEL &&
+ N->getOpcode() != ISD::DECLARE) {
N->dump(this);
cerr << "\n";
assert(0 && "Node is not in map!");
///
SDNode *SelectionDAG::AddNonLeafNodeToCSEMaps(SDNode *N) {
assert(N->getNumOperands() && "This is a leaf node!");
- if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
+
+ if (N->getValueType(0) == MVT::Flag)
+ return 0; // Never CSE anything that produces a flag.
+
+ switch (N->getOpcode()) {
+ default: break;
+ case ISD::HANDLENODE:
+ case ISD::DBG_LABEL:
+ case ISD::DBG_STOPPOINT:
+ case ISD::EH_LABEL:
+ case ISD::DECLARE:
return 0; // Never add these nodes.
+ }
// Check that remaining values produced are not flags.
for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
/// 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, SDValue Op,
void *&InsertPos) {
- if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
+ if (N->getValueType(0) == MVT::Flag)
+ return 0; // Never CSE anything that produces a flag.
+
+ switch (N->getOpcode()) {
+ default: break;
+ case ISD::HANDLENODE:
+ case ISD::DBG_LABEL:
+ case ISD::DBG_STOPPOINT:
+ case ISD::EH_LABEL:
return 0; // Never add these nodes.
+ }
// Check that remaining values produced are not flags.
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.
- SDOperand Ops[] = { Op };
+ SDValue Ops[] = { Op };
FoldingSetNodeID ID;
AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Ops, 1);
return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
/// 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,
+ SDValue Op1, SDValue Op2,
void *&InsertPos) {
if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
- return 0; // Never add these nodes.
// Check that remaining values produced are not flags.
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.
- SDOperand Ops[] = { Op1, Op2 };
+ SDValue Ops[] = { Op1, Op2 };
FoldingSetNodeID ID;
AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Ops, 2);
return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
/// 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 SDOperand *Ops,unsigned NumOps,
+ const SDValue *Ops,unsigned NumOps,
void *&InsertPos) {
- if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
+ if (N->getValueType(0) == MVT::Flag)
+ return 0; // Never CSE anything that produces a flag.
+
+ switch (N->getOpcode()) {
+ default: break;
+ case ISD::HANDLENODE:
+ case ISD::DBG_LABEL:
+ case ISD::DBG_STOPPOINT:
+ case ISD::EH_LABEL:
+ case ISD::DECLARE:
return 0; // Never add these nodes.
+ }
// Check that remaining values produced are not flags.
for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
ID.AddInteger(LD->getAddressingMode());
ID.AddInteger(LD->getExtensionType());
ID.AddInteger(LD->getMemoryVT().getRawBits());
- ID.AddInteger(LD->getAlignment());
- ID.AddInteger(LD->isVolatile());
+ ID.AddInteger(LD->getRawFlags());
} else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) {
ID.AddInteger(ST->getAddressingMode());
ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getAlignment());
- ID.AddInteger(ST->isVolatile());
+ ID.AddInteger(ST->getRawFlags());
}
return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
+/// VerifyNode - Sanity check the given node. Aborts if it is invalid.
+void SelectionDAG::VerifyNode(SDNode *N) {
+ switch (N->getOpcode()) {
+ default:
+ break;
+ case ISD::BUILD_VECTOR: {
+ assert(N->getNumValues() == 1 && "Too many results for BUILD_VECTOR!");
+ assert(N->getValueType(0).isVector() && "Wrong BUILD_VECTOR return type!");
+ assert(N->getNumOperands() == N->getValueType(0).getVectorNumElements() &&
+ "Wrong number of BUILD_VECTOR operands!");
+ MVT EltVT = N->getValueType(0).getVectorElementType();
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
+ assert(I->getSDValue().getValueType() == EltVT &&
+ "Wrong BUILD_VECTOR operand type!");
+ break;
+ }
+ }
+}
+
+/// getMVTAlignment - Compute the default alignment value for the
+/// given type.
+///
+unsigned SelectionDAG::getMVTAlignment(MVT VT) const {
+ const Type *Ty = VT == MVT::iPTR ?
+ PointerType::get(Type::Int8Ty, 0) :
+ VT.getTypeForMVT();
+
+ return TLI.getTargetData()->getABITypeAlignment(Ty);
+}
SelectionDAG::~SelectionDAG() {
while (!AllNodes.empty()) {
- SDNode *N = AllNodes.begin();
+ SDNode *N = AllNodes.remove(AllNodes.begin());
N->SetNextInBucket(0);
if (N->OperandsNeedDelete) {
delete [] N->OperandList;
}
N->OperandList = 0;
N->NumOperands = 0;
- AllNodes.pop_front();
}
}
-SDOperand SelectionDAG::getZeroExtendInReg(SDOperand Op, MVT VT) {
+SDValue SelectionDAG::getZeroExtendInReg(SDValue Op, MVT VT) {
if (Op.getValueType() == VT) return Op;
APInt Imm = APInt::getLowBitsSet(Op.getValueSizeInBits(),
VT.getSizeInBits());
getConstant(Imm, Op.getValueType()));
}
-SDOperand SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
+SDValue SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
return getConstant(APInt(EltVT.getSizeInBits(), Val), VT, isT);
}
-SDOperand SelectionDAG::getConstant(const APInt &Val, MVT VT, bool isT) {
+SDValue SelectionDAG::getConstant(const APInt &Val, MVT VT, bool isT) {
assert(VT.isInteger() && "Cannot create FP integer constant!");
MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
SDNode *N = NULL;
if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
if (!VT.isVector())
- return SDOperand(N, 0);
+ return SDValue(N, 0);
if (!N) {
- N = getAllocator().Allocate<ConstantSDNode>();
+ N = NodeAllocator.Allocate<ConstantSDNode>();
new (N) ConstantSDNode(isT, Val, EltVT);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
}
- SDOperand Result(N, 0);
+ SDValue Result(N, 0);
if (VT.isVector()) {
- SmallVector<SDOperand, 8> Ops;
+ SmallVector<SDValue, 8> Ops;
Ops.assign(VT.getVectorNumElements(), Result);
Result = getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size());
}
return Result;
}
-SDOperand SelectionDAG::getIntPtrConstant(uint64_t Val, bool isTarget) {
+SDValue SelectionDAG::getIntPtrConstant(uint64_t Val, bool isTarget) {
return getConstant(Val, TLI.getPointerTy(), isTarget);
}
-SDOperand SelectionDAG::getConstantFP(const APFloat& V, MVT VT, bool isTarget) {
+SDValue SelectionDAG::getConstantFP(const APFloat& V, MVT VT, bool isTarget) {
assert(VT.isFloatingPoint() && "Cannot create integer FP constant!");
MVT EltVT =
SDNode *N = NULL;
if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
if (!VT.isVector())
- return SDOperand(N, 0);
+ return SDValue(N, 0);
if (!N) {
- N = getAllocator().Allocate<ConstantFPSDNode>();
+ N = NodeAllocator.Allocate<ConstantFPSDNode>();
new (N) ConstantFPSDNode(isTarget, V, EltVT);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
}
- SDOperand Result(N, 0);
+ SDValue Result(N, 0);
if (VT.isVector()) {
- SmallVector<SDOperand, 8> Ops;
+ SmallVector<SDValue, 8> Ops;
Ops.assign(VT.getVectorNumElements(), Result);
Result = getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size());
}
return Result;
}
-SDOperand SelectionDAG::getConstantFP(double Val, MVT VT, bool isTarget) {
+SDValue SelectionDAG::getConstantFP(double Val, MVT VT, bool isTarget) {
MVT EltVT =
VT.isVector() ? VT.getVectorElementType() : VT;
if (EltVT==MVT::f32)
return getConstantFP(APFloat(Val), VT, isTarget);
}
-SDOperand SelectionDAG::getGlobalAddress(const GlobalValue *GV,
- MVT VT, int Offset,
- bool isTargetGA) {
+SDValue SelectionDAG::getGlobalAddress(const GlobalValue *GV,
+ MVT VT, int Offset,
+ bool isTargetGA) {
unsigned Opc;
const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
ID.AddInteger(Offset);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<GlobalAddressSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<GlobalAddressSDNode>();
new (N) GlobalAddressSDNode(isTargetGA, GV, VT, Offset);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getFrameIndex(int FI, MVT VT, bool isTarget) {
+SDValue SelectionDAG::getFrameIndex(int FI, MVT VT, bool isTarget) {
unsigned Opc = isTarget ? ISD::TargetFrameIndex : ISD::FrameIndex;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddInteger(FI);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<FrameIndexSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<FrameIndexSDNode>();
new (N) FrameIndexSDNode(FI, VT, isTarget);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getJumpTable(int JTI, MVT VT, bool isTarget){
+SDValue SelectionDAG::getJumpTable(int JTI, MVT VT, bool isTarget){
unsigned Opc = isTarget ? ISD::TargetJumpTable : ISD::JumpTable;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddInteger(JTI);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<JumpTableSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<JumpTableSDNode>();
new (N) JumpTableSDNode(JTI, VT, isTarget);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getConstantPool(Constant *C, MVT VT,
- unsigned Alignment, int Offset,
- bool isTarget) {
+SDValue SelectionDAG::getConstantPool(Constant *C, MVT VT,
+ unsigned Alignment, int Offset,
+ bool isTarget) {
unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddPointer(C);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<ConstantPoolSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<ConstantPoolSDNode>();
new (N) ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getConstantPool(MachineConstantPoolValue *C, MVT VT,
- unsigned Alignment, int Offset,
- bool isTarget) {
+SDValue SelectionDAG::getConstantPool(MachineConstantPoolValue *C, MVT VT,
+ unsigned Alignment, int Offset,
+ bool isTarget) {
unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
C->AddSelectionDAGCSEId(ID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<ConstantPoolSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<ConstantPoolSDNode>();
new (N) ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
+SDValue SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other), 0, 0);
ID.AddPointer(MBB);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<BasicBlockSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<BasicBlockSDNode>();
new (N) BasicBlockSDNode(MBB);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getArgFlags(ISD::ArgFlagsTy Flags) {
+SDValue SelectionDAG::getArgFlags(ISD::ArgFlagsTy Flags) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::ARG_FLAGS, getVTList(MVT::Other), 0, 0);
ID.AddInteger(Flags.getRawBits());
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N =
getAllocator().Allocate<ARG_FLAGSSDNode>();
+ return SDValue(E, 0);
+ SDNode *N =
NodeAllocator.Allocate<ARG_FLAGSSDNode>();
new (N) ARG_FLAGSSDNode(Flags);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getValueType(MVT VT) {
+SDValue SelectionDAG::getValueType(MVT VT) {
if (VT.isSimple() && (unsigned)VT.getSimpleVT() >= ValueTypeNodes.size())
ValueTypeNodes.resize(VT.getSimpleVT()+1);
SDNode *&N = VT.isExtended() ?
ExtendedValueTypeNodes[VT] : ValueTypeNodes[VT.getSimpleVT()];
- if (N) return SDOperand(N, 0);
- N = getAllocator().Allocate<VTSDNode>();
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<VTSDNode>();
new (N) VTSDNode(VT);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getExternalSymbol(const char *Sym, MVT VT) {
+SDValue SelectionDAG::getExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = ExternalSymbols[Sym];
- if (N) return SDOperand(N, 0);
- N = getAllocator().Allocate<ExternalSymbolSDNode>();
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
new (N) ExternalSymbolSDNode(false, Sym, VT);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
+SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = TargetExternalSymbols[Sym];
- if (N) return SDOperand(N, 0);
- N = getAllocator().Allocate<ExternalSymbolSDNode>();
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
new (N) ExternalSymbolSDNode(true, Sym, VT);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getCondCode(ISD::CondCode Cond) {
+SDValue SelectionDAG::getCondCode(ISD::CondCode Cond) {
if ((unsigned)Cond >= CondCodeNodes.size())
CondCodeNodes.resize(Cond+1);
if (CondCodeNodes[Cond] == 0) {
- CondCodeSDNode *N = getAllocator().Allocate<CondCodeSDNode>();
+ CondCodeSDNode *N = NodeAllocator.Allocate<CondCodeSDNode>();
new (N) CondCodeSDNode(Cond);
CondCodeNodes[Cond] = N;
AllNodes.push_back(N);
}
- return SDOperand(CondCodeNodes[Cond], 0);
+ return SDValue(CondCodeNodes[Cond], 0);
}
-SDOperand SelectionDAG::getRegister(unsigned RegNo, MVT VT) {
+SDValue SelectionDAG::getRegister(unsigned RegNo, MVT VT) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::Register, getVTList(VT), 0, 0);
ID.AddInteger(RegNo);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<RegisterSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<RegisterSDNode>();
new (N) RegisterSDNode(RegNo, VT);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getDbgStopPoint(SDOperand Root,
+SDValue SelectionDAG::getDbgStopPoint(SDValue Root,
unsigned Line, unsigned Col,
const CompileUnitDesc *CU) {
- FoldingSetNodeID ID;
- SDOperand Ops[] = { Root };
- AddNodeIDNode(ID, ISD::DBG_STOPPOINT, getVTList(MVT::Other), &Ops[0], 1);
- ID.AddInteger(Line);
- ID.AddInteger(Col);
- ID.AddPointer(CU);
- void *IP = 0;
- if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<DbgStopPointSDNode>();
+ SDNode *N = NodeAllocator.Allocate<DbgStopPointSDNode>();
new (N) DbgStopPointSDNode(Root, Line, Col, CU);
- CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getLabel(unsigned Opcode,
- SDOperand Root,
- unsigned LabelID) {
+SDValue SelectionDAG::getLabel(unsigned Opcode,
+ SDValue Root,
+ unsigned LabelID) {
FoldingSetNodeID ID;
- SDOperand Ops[] = { Root };
+ SDValue Ops[] = { Root };
AddNodeIDNode(ID, Opcode, getVTList(MVT::Other), &Ops[0], 1);
ID.AddInteger(LabelID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<LabelSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LabelSDNode>();
new (N) LabelSDNode(Opcode, Root, LabelID);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getSrcValue(const Value *V) {
+SDValue SelectionDAG::getSrcValue(const Value *V) {
assert((!V || isa<PointerType>(V->getType())) &&
"SrcValue is not a pointer?");
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
- SDNode *N = getAllocator().Allocate<SrcValueSDNode>();
+ SDNode *N = NodeAllocator.Allocate<SrcValueSDNode>();
new (N) SrcValueSDNode(V);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getMemOperand(const MachineMemOperand &MO) {
+SDValue SelectionDAG::getMemOperand(const MachineMemOperand &MO) {
const Value *v = MO.getValue();
assert((!v || isa<PointerType>(v->getType())) &&
"SrcValue is not a pointer?");
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::MEMOPERAND, getVTList(MVT::Other), 0, 0);
- ID.AddPointer(v);
- ID.AddInteger(MO.getFlags());
- ID.AddInteger(MO.getOffset());
- ID.AddInteger(MO.getSize());
- ID.AddInteger(MO.getAlignment());
+ MO.Profile(ID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
- SDNode *N = getAllocator().Allocate<MemOperandSDNode>();
+ SDNode *N = NodeAllocator.Allocate<MemOperandSDNode>();
new (N) MemOperandSDNode(MO);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
/// CreateStackTemporary - Create a stack temporary, suitable for holding the
/// specified value type.
-SDOperand SelectionDAG::CreateStackTemporary(MVT VT, unsigned minAlign) {
+SDValue SelectionDAG::CreateStackTemporary(MVT VT, unsigned minAlign) {
MachineFrameInfo *FrameInfo = getMachineFunction().getFrameInfo();
unsigned ByteSize = VT.getSizeInBits()/8;
const Type *Ty = VT.getTypeForMVT();
return getFrameIndex(FrameIdx, TLI.getPointerTy());
}
-SDOperand SelectionDAG::FoldSetCC(MVT VT, SDOperand N1,
- SDOperand N2, ISD::CondCode Cond) {
+SDValue SelectionDAG::FoldSetCC(MVT VT, SDValue N1,
+ SDValue N2, ISD::CondCode Cond) {
// These setcc operations always fold.
switch (Cond) {
default: break;
if (ConstantFPSDNode *N2C = dyn_cast<ConstantFPSDNode>(N2.Val)) {
// No compile time operations on this type yet.
if (N1C->getValueType(0) == MVT::ppcf128)
- return SDOperand();
+ return SDValue();
APFloat::cmpResult R = N1C->getValueAPF().compare(N2C->getValueAPF());
switch (Cond) {
}
// Could not fold it.
- return SDOperand();
+ return SDValue();
}
/// SignBitIsZero - Return true if the sign bit of Op is known to be zero. We
/// use this predicate to simplify operations downstream.
-bool SelectionDAG::SignBitIsZero(SDOperand Op, unsigned Depth) const {
+bool SelectionDAG::SignBitIsZero(SDValue Op, unsigned Depth) const {
unsigned BitWidth = Op.getValueSizeInBits();
return MaskedValueIsZero(Op, APInt::getSignBit(BitWidth), Depth);
}
/// MaskedValueIsZero - Return true if 'V & Mask' is known to be zero. We use
/// this predicate to simplify operations downstream. Mask is known to be zero
/// for bits that V cannot have.
-bool SelectionDAG::MaskedValueIsZero(SDOperand Op, const APInt &Mask,
+bool SelectionDAG::MaskedValueIsZero(SDValue Op, const APInt &Mask,
unsigned Depth) const {
APInt KnownZero, KnownOne;
ComputeMaskedBits(Op, Mask, KnownZero, KnownOne, Depth);
/// known to be either zero or one and return them in the KnownZero/KnownOne
/// bitsets. This code only analyzes bits in Mask, in order to short-circuit
/// processing.
-void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask,
+void SelectionDAG::ComputeMaskedBits(SDValue Op, const APInt &Mask,
APInt &KnownZero, APInt &KnownOne,
unsigned Depth) const {
unsigned BitWidth = Mask.getBitWidth();
APInt Mask2 = LowBits | APInt::getSignBit(BitWidth);
ComputeMaskedBits(Op.getOperand(0), Mask2,KnownZero2,KnownOne2,Depth+1);
- // The sign of a remainder is equal to the sign of the first
- // operand (zero being positive).
+ // If the sign bit of the first operand is zero, the sign bit of
+ // the result is zero. If the first operand has no one bits below
+ // the second operand's single 1 bit, its sign will be zero.
if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))
KnownZero2 |= ~LowBits;
- else if (KnownOne2[BitWidth-1])
- KnownOne2 |= ~LowBits;
KnownZero |= KnownZero2 & Mask;
- KnownOne |= KnownOne2 & Mask;
assert((KnownZero & KnownOne) == 0&&"Bits known to be one AND zero?");
}
/// is always equal to the sign bit (itself), but other cases can give us
/// information. For example, immediately after an "SRA X, 2", we know that
/// the top 3 bits are all equal to each other, so we return 3.
-unsigned SelectionDAG::ComputeNumSignBits(SDOperand Op, unsigned Depth) const{
+unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{
MVT VT = Op.getValueType();
assert(VT.isInteger() && "Invalid VT!");
unsigned VTBits = VT.getSizeInBits();
}
-bool SelectionDAG::isVerifiedDebugInfoDesc(SDOperand Op) const {
+bool SelectionDAG::isVerifiedDebugInfoDesc(SDValue Op) const {
GlobalAddressSDNode *GA = dyn_cast<GlobalAddressSDNode>(Op);
if (!GA) return false;
GlobalVariable *GV = dyn_cast<GlobalVariable>(GA->getGlobal());
/// getShuffleScalarElt - Returns the scalar element that will make up the ith
/// element of the result of the vector shuffle.
-SDOperand SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) {
+SDValue SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) {
MVT VT = N->getValueType(0);
- SDOperand PermMask = N->getOperand(2);
- SDOperand Idx = PermMask.getOperand(i);
+ SDValue PermMask = N->getOperand(2);
+ SDValue Idx = PermMask.getOperand(i);
if (Idx.getOpcode() == ISD::UNDEF)
return getNode(ISD::UNDEF, VT.getVectorElementType());
unsigned Index = cast<ConstantSDNode>(Idx)->getValue();
unsigned NumElems = PermMask.getNumOperands();
- SDOperand V = (Index < NumElems) ? N->getOperand(0) : N->getOperand(1);
+ SDValue V = (Index < NumElems) ? N->getOperand(0) : N->getOperand(1);
Index %= NumElems;
if (V.getOpcode() == ISD::BIT_CONVERT) {
V = V.getOperand(0);
if (V.getValueType().getVectorNumElements() != NumElems)
- return SDOperand();
+ return SDValue();
}
if (V.getOpcode() == ISD::SCALAR_TO_VECTOR)
return (Index == 0) ? V.getOperand(0)
return V.getOperand(Index);
if (V.getOpcode() == ISD::VECTOR_SHUFFLE)
return getShuffleScalarElt(V.Val, Index);
- return SDOperand();
+ return SDValue();
}
/// getNode - Gets or creates the specified node.
///
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, getVTList(VT), 0, 0);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<SDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<SDNode>();
new (N) SDNode(Opcode, SDNode::getSDVTList(VT));
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+#ifndef NDEBUG
+ VerifyNode(N);
+#endif
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT, SDOperand Operand) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT, SDValue Operand) {
// Constant fold unary operations with an integer constant operand.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Operand.Val)) {
const APInt &Val = C->getAPIntValue();
unsigned OpOpcode = Operand.Val->getOpcode();
switch (Opcode) {
case ISD::TokenFactor:
- return Operand; // Factor of one node? No need.
+ case ISD::CONCAT_VECTORS:
+ return Operand; // Factor or concat of one node? No need.
case ISD::FP_ROUND: assert(0 && "Invalid method to make FP_ROUND node");
case ISD::FP_EXTEND:
assert(VT.isFloatingPoint() &&
SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) { // Don't CSE flag producing nodes
FoldingSetNodeID ID;
- SDOperand Ops[1] = { Operand };
+ SDValue Ops[1] = { Operand };
AddNodeIDNode(ID, Opcode, VTs, Ops, 1);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<UnarySDNode>();
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<UnarySDNode>();
new (N) UnarySDNode(Opcode, VTs, Operand);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<UnarySDNode>();
+ N = NodeAllocator.Allocate<UnarySDNode>();
new (N) UnarySDNode(Opcode, VTs, Operand);
}
+
AllNodes.push_back(N);
- return SDOperand(N, 0);
+#ifndef NDEBUG
+ VerifyNode(N);
+#endif
+ return SDValue(N, 0);
}
-
-
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2) {
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
switch (Opcode) {
if (N1.getOpcode() == ISD::EntryToken) return N2;
if (N2.getOpcode() == ISD::EntryToken) return N1;
break;
+ case ISD::CONCAT_VECTORS:
+ // A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to
+ // one big BUILD_VECTOR.
+ if (N1.getOpcode() == ISD::BUILD_VECTOR &&
+ N2.getOpcode() == ISD::BUILD_VECTOR) {
+ SmallVector<SDValue, 16> Elts(N1.Val->op_begin(), N1.Val->op_end());
+ Elts.insert(Elts.end(), N2.Val->op_begin(), N2.Val->op_end());
+ return getNode(ISD::BUILD_VECTOR, VT, &Elts[0], Elts.size());
+ }
+ break;
case ISD::AND:
assert(VT.isInteger() && N1.getValueType() == N2.getValueType() &&
N1.getValueType() == VT && "Binary operator types must match!");
break;
}
case ISD::EXTRACT_VECTOR_ELT:
- assert(N2C && "Bad EXTRACT_VECTOR_ELT!");
-
// EXTRACT_VECTOR_ELT of an UNDEF is an UNDEF.
if (N1.getOpcode() == ISD::UNDEF)
return getNode(ISD::UNDEF, VT);
// EXTRACT_VECTOR_ELT of CONCAT_VECTORS is often formed while lowering is
// expanding copies of large vectors from registers.
- if (N1.getOpcode() == ISD::CONCAT_VECTORS &&
+ if (N2C &&
+ N1.getOpcode() == ISD::CONCAT_VECTORS &&
N1.getNumOperands() > 0) {
unsigned Factor =
N1.getOperand(0).getValueType().getVectorNumElements();
// EXTRACT_VECTOR_ELT of BUILD_VECTOR is often formed while lowering is
// expanding large vector constants.
- if (N1.getOpcode() == ISD::BUILD_VECTOR)
+ if (N2C && N1.getOpcode() == ISD::BUILD_VECTOR)
return N1.getOperand(N2C->getValue());
// EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT is often formed when vector
// operations are lowered to scalars.
- if (N1.getOpcode() == ISD::INSERT_VECTOR_ELT)
- if (ConstantSDNode *IEC = dyn_cast<ConstantSDNode>(N1.getOperand(2))) {
- if (IEC == N2C)
- return N1.getOperand(1);
- else
- return getNode(ISD::EXTRACT_VECTOR_ELT, VT, N1.getOperand(0), N2);
- }
+ if (N1.getOpcode() == ISD::INSERT_VECTOR_ELT) {
+ if (N1.getOperand(2) == N2)
+ return N1.getOperand(1);
+ else
+ return getNode(ISD::EXTRACT_VECTOR_ELT, VT, N1.getOperand(0), N2);
+ }
break;
case ISD::EXTRACT_ELEMENT:
assert(N2C && (unsigned)N2C->getValue() < 2 && "Bad EXTRACT_ELEMENT!");
SDNode *N;
SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDOperand Ops[] = { N1, N2 };
+ SDValue Ops[] = { N1, N2 };
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTs, Ops, 2);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<BinarySDNode>();
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<BinarySDNode>();
new (N) BinarySDNode(Opcode, VTs, N1, N2);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<BinarySDNode>();
+ N = NodeAllocator.Allocate<BinarySDNode>();
new (N) BinarySDNode(Opcode, VTs, N1, N2);
}
AllNodes.push_back(N);
- return SDOperand(N, 0);
+#ifndef NDEBUG
+ VerifyNode(N);
+#endif
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2, SDOperand N3) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3) {
// Perform various simplifications.
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
switch (Opcode) {
+ case ISD::CONCAT_VECTORS:
+ // A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to
+ // one big BUILD_VECTOR.
+ if (N1.getOpcode() == ISD::BUILD_VECTOR &&
+ N2.getOpcode() == ISD::BUILD_VECTOR &&
+ N3.getOpcode() == ISD::BUILD_VECTOR) {
+ SmallVector<SDValue, 16> Elts(N1.Val->op_begin(), N1.Val->op_end());
+ Elts.insert(Elts.end(), N2.Val->op_begin(), N2.Val->op_end());
+ Elts.insert(Elts.end(), N3.Val->op_begin(), N3.Val->op_end());
+ return getNode(ISD::BUILD_VECTOR, VT, &Elts[0], Elts.size());
+ }
+ break;
case ISD::SETCC: {
// Use FoldSetCC to simplify SETCC's.
- SDOperand Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
+ SDValue Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
if (Simp.Val) return Simp;
break;
}
SDNode *N;
SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDOperand Ops[] = { N1, N2, N3 };
+ SDValue Ops[] = { N1, N2, N3 };
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTs, Ops, 3);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<TernarySDNode>();
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<TernarySDNode>();
new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<TernarySDNode>();
+ N = NodeAllocator.Allocate<TernarySDNode>();
new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
}
AllNodes.push_back(N);
- return SDOperand(N, 0);
+#ifndef NDEBUG
+ VerifyNode(N);
+#endif
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4) {
- SDOperand Ops[] = { N1, N2, N3, N4 };
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
+ SDValue Ops[] = { N1, N2, N3, N4 };
return getNode(Opcode, VT, Ops, 4);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4, SDOperand N5) {
- SDOperand Ops[] = { N1, N2, N3, N4, N5 };
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
+ SDValue Ops[] = { N1, N2, N3, N4, N5 };
return getNode(Opcode, VT, Ops, 5);
}
/// getMemsetValue - Vectorized representation of the memset value
/// operand.
-static SDOperand getMemsetValue(SDOperand Value, MVT VT, SelectionDAG &DAG) {
+static SDValue getMemsetValue(SDValue Value, MVT VT, SelectionDAG &DAG) {
unsigned NumBits = VT.isVector() ?
VT.getVectorElementType().getSizeInBits() : VT.getSizeInBits();
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Value)) {
/// getMemsetStringVal - Similar to getMemsetValue. Except this is only
/// used when a memcpy is turned into a memset when the source is a constant
/// string ptr.
-static SDOperand getMemsetStringVal(MVT VT, SelectionDAG &DAG,
+static SDValue getMemsetStringVal(MVT VT, SelectionDAG &DAG,
const TargetLowering &TLI,
std::string &Str, unsigned Offset) {
// Handle vector with all elements zero.
/// getMemBasePlusOffset - Returns base and offset node for the
///
-static SDOperand getMemBasePlusOffset(SDOperand Base, unsigned Offset,
+static SDValue getMemBasePlusOffset(SDValue Base, unsigned Offset,
SelectionDAG &DAG) {
MVT VT = Base.getValueType();
return DAG.getNode(ISD::ADD, VT, Base, DAG.getConstant(Offset, VT));
/// isMemSrcFromString - Returns true if memcpy source is a string constant.
///
-static bool isMemSrcFromString(SDOperand Src, std::string &Str) {
+static bool isMemSrcFromString(SDValue Src, std::string &Str) {
unsigned SrcDelta = 0;
GlobalAddressSDNode *G = NULL;
if (Src.getOpcode() == ISD::GlobalAddress)
/// types of the sequence of memory ops to perform memset / memcpy.
static
bool MeetsMaxMemopRequirement(std::vector<MVT> &MemOps,
- SDOperand Dst, SDOperand Src,
+ SDValue Dst, SDValue Src,
unsigned Limit, uint64_t Size, unsigned &Align,
std::string &Str, bool &isSrcStr,
SelectionDAG &DAG,
return true;
}
-static SDOperand getMemcpyLoadsAndStores(SelectionDAG &DAG,
- SDOperand Chain, SDOperand Dst,
- SDOperand Src, uint64_t Size,
+static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG,
+ SDValue Chain, SDValue Dst,
+ SDValue Src, uint64_t Size,
unsigned Align, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
const Value *SrcSV, uint64_t SrcSVOff){
bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, Limit, Size, DstAlign,
Str, CopyFromStr, DAG, TLI))
- return SDOperand();
+ return SDValue();
bool isZeroStr = CopyFromStr && Str.empty();
- SmallVector<SDOperand, 8> OutChains;
+ SmallVector<SDValue, 8> OutChains;
unsigned NumMemOps = MemOps.size();
uint64_t SrcOff = 0, DstOff = 0;
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value, Store;
+ SDValue Value, Store;
if (CopyFromStr && (isZeroStr || !VT.isVector())) {
// It's unlikely a store of a vector immediate can be done in a single
Value = getMemsetStringVal(VT, DAG, TLI, Str, SrcOff);
Store = DAG.getStore(Chain, Value,
getMemBasePlusOffset(Dst, DstOff, DAG),
- DstSV, DstSVOff + DstOff);
+ DstSV, DstSVOff + DstOff, false, DstAlign);
} else {
Value = DAG.getLoad(VT, Chain,
getMemBasePlusOffset(Src, SrcOff, DAG),
&OutChains[0], OutChains.size());
}
-static SDOperand getMemmoveLoadsAndStores(SelectionDAG &DAG,
- SDOperand Chain, SDOperand Dst,
- SDOperand Src, uint64_t Size,
+static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG,
+ SDValue Chain, SDValue Dst,
+ SDValue Src, uint64_t Size,
unsigned Align, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
const Value *SrcSV, uint64_t SrcSVOff){
bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, Limit, Size, DstAlign,
Str, CopyFromStr, DAG, TLI))
- return SDOperand();
+ return SDValue();
uint64_t SrcOff = 0, DstOff = 0;
- SmallVector<SDOperand, 8> LoadValues;
- SmallVector<SDOperand, 8> LoadChains;
- SmallVector<SDOperand, 8> OutChains;
+ SmallVector<SDValue, 8> LoadValues;
+ SmallVector<SDValue, 8> LoadChains;
+ SmallVector<SDValue, 8> OutChains;
unsigned NumMemOps = MemOps.size();
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value, Store;
+ SDValue Value, Store;
Value = DAG.getLoad(VT, Chain,
getMemBasePlusOffset(Src, SrcOff, DAG),
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value, Store;
+ SDValue Value, Store;
Store = DAG.getStore(Chain, LoadValues[i],
getMemBasePlusOffset(Dst, DstOff, DAG),
&OutChains[0], OutChains.size());
}
-static SDOperand getMemsetStores(SelectionDAG &DAG,
- SDOperand Chain, SDOperand Dst,
- SDOperand Src, uint64_t Size,
+static SDValue getMemsetStores(SelectionDAG &DAG,
+ SDValue Chain, SDValue Dst,
+ SDValue Src, uint64_t Size,
unsigned Align,
const Value *DstSV, uint64_t DstSVOff) {
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, TLI.getMaxStoresPerMemset(),
Size, Align, Str, CopyFromStr, DAG, TLI))
- return SDOperand();
+ return SDValue();
- SmallVector<SDOperand, 8> OutChains;
+ SmallVector<SDValue, 8> OutChains;
uint64_t DstOff = 0;
unsigned NumMemOps = MemOps.size();
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value = getMemsetValue(Src, VT, DAG);
- SDOperand Store = DAG.getStore(Chain, Value,
+ SDValue Value = getMemsetValue(Src, VT, DAG);
+ SDValue Store = DAG.getStore(Chain, Value,
getMemBasePlusOffset(Dst, DstOff, DAG),
DstSV, DstSVOff + DstOff);
OutChains.push_back(Store);
&OutChains[0], OutChains.size());
}
-SDOperand SelectionDAG::getMemcpy(SDOperand Chain, SDOperand Dst,
- SDOperand Src, SDOperand Size,
- unsigned Align, bool AlwaysInline,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff) {
+SDValue SelectionDAG::getMemcpy(SDValue Chain, SDValue Dst,
+ SDValue Src, SDValue Size,
+ unsigned Align, bool AlwaysInline,
+ const Value *DstSV, uint64_t DstSVOff,
+ const Value *SrcSV, uint64_t SrcSVOff) {
// Check to see if we should lower the memcpy to loads and stores first.
// For cases within the target-specified limits, this is the best choice.
if (ConstantSize->isNullValue())
return Chain;
- SDOperand Result =
+ SDValue Result =
getMemcpyLoadsAndStores(*this, Chain, Dst, Src, ConstantSize->getValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.Val)
// Then check to see if we should lower the memcpy with target-specific
// code. If the target chooses to do this, this is the next best.
- SDOperand Result =
+ SDValue Result =
TLI.EmitTargetCodeForMemcpy(*this, Chain, Dst, Src, Size, Align,
AlwaysInline,
DstSV, DstSVOff, SrcSV, SrcSVOff);
Entry.Node = Dst; Args.push_back(Entry);
Entry.Node = Src; Args.push_back(Entry);
Entry.Node = Size; Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
+ std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
false, false, false, CallingConv::C, false,
getExternalSymbol("memcpy", TLI.getPointerTy()),
return CallResult.second;
}
-SDOperand SelectionDAG::getMemmove(SDOperand Chain, SDOperand Dst,
- SDOperand Src, SDOperand Size,
- unsigned Align,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff) {
+SDValue SelectionDAG::getMemmove(SDValue Chain, SDValue Dst,
+ SDValue Src, SDValue Size,
+ unsigned Align,
+ const Value *DstSV, uint64_t DstSVOff,
+ const Value *SrcSV, uint64_t SrcSVOff) {
// Check to see if we should lower the memmove to loads and stores first.
// For cases within the target-specified limits, this is the best choice.
if (ConstantSize->isNullValue())
return Chain;
- SDOperand Result =
+ SDValue Result =
getMemmoveLoadsAndStores(*this, Chain, Dst, Src, ConstantSize->getValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.Val)
// Then check to see if we should lower the memmove with target-specific
// code. If the target chooses to do this, this is the next best.
- SDOperand Result =
+ SDValue Result =
TLI.EmitTargetCodeForMemmove(*this, Chain, Dst, Src, Size, Align,
DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.Val)
Entry.Node = Dst; Args.push_back(Entry);
Entry.Node = Src; Args.push_back(Entry);
Entry.Node = Size; Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
+ std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
false, false, false, CallingConv::C, false,
getExternalSymbol("memmove", TLI.getPointerTy()),
return CallResult.second;
}
-SDOperand SelectionDAG::getMemset(SDOperand Chain, SDOperand Dst,
- SDOperand Src, SDOperand Size,
- unsigned Align,
- const Value *DstSV, uint64_t DstSVOff) {
+SDValue SelectionDAG::getMemset(SDValue Chain, SDValue Dst,
+ SDValue Src, SDValue Size,
+ unsigned Align,
+ const Value *DstSV, uint64_t DstSVOff) {
// Check to see if we should lower the memset to stores first.
// For cases within the target-specified limits, this is the best choice.
if (ConstantSize->isNullValue())
return Chain;
- SDOperand Result =
+ SDValue Result =
getMemsetStores(*this, Chain, Dst, Src, ConstantSize->getValue(), Align,
DstSV, DstSVOff);
if (Result.Val)
// Then check to see if we should lower the memset with target-specific
// code. If the target chooses to do this, this is the next best.
- SDOperand Result =
+ SDValue Result =
TLI.EmitTargetCodeForMemset(*this, Chain, Dst, Src, Size, Align,
DstSV, DstSVOff);
if (Result.Val)
Args.push_back(Entry);
Entry.Node = Size; Entry.Ty = IntPtrTy; Entry.isSExt = false;
Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
+ std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
false, false, false, CallingConv::C, false,
getExternalSymbol("memset", TLI.getPointerTy()),
return CallResult.second;
}
-SDOperand SelectionDAG::getAtomic(unsigned Opcode, SDOperand Chain,
- SDOperand Ptr, SDOperand Cmp,
- SDOperand Swp, const Value* PtrVal,
- unsigned Alignment) {
+SDValue SelectionDAG::getAtomic(unsigned Opcode, SDValue Chain,
+ SDValue Ptr, SDValue Cmp,
+ SDValue Swp, const Value* PtrVal,
+ unsigned Alignment) {
assert(Opcode == ISD::ATOMIC_CMP_SWAP && "Invalid Atomic Op");
assert(Cmp.getValueType() == Swp.getValueType() && "Invalid Atomic Op Types");
- SDVTList VTs = getVTList(Cmp.getValueType(), MVT::Other);
+
+ MVT VT = Cmp.getValueType();
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ SDVTList VTs = getVTList(VT, MVT::Other);
FoldingSetNodeID ID;
- SDOperand Ops[] = {Chain, Ptr, Cmp, Swp};
+ SDValue Ops[] = {Chain, Ptr, Cmp, Swp};
AddNodeIDNode(ID, Opcode, VTs, Ops, 4);
void* IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode* N =
getAllocator().Allocate<AtomicSDNode>();
+ return SDValue(E, 0);
+ SDNode* N =
NodeAllocator.Allocate<AtomicSDNode>();
new (N) AtomicSDNode(Opcode, VTs, Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getAtomic(unsigned Opcode, SDOperand Chain,
- SDOperand Ptr, SDOperand Val,
- const Value* PtrVal,
- unsigned Alignment) {
+SDValue SelectionDAG::getAtomic(unsigned Opcode, SDValue Chain,
+ SDValue Ptr, SDValue Val,
+ const Value* PtrVal,
+ unsigned Alignment) {
assert(( Opcode == ISD::ATOMIC_LOAD_ADD || Opcode == ISD::ATOMIC_LOAD_SUB
|| Opcode == ISD::ATOMIC_SWAP || Opcode == ISD::ATOMIC_LOAD_AND
|| Opcode == ISD::ATOMIC_LOAD_OR || Opcode == ISD::ATOMIC_LOAD_XOR
|| Opcode == ISD::ATOMIC_LOAD_MIN || Opcode == ISD::ATOMIC_LOAD_MAX
|| Opcode == ISD::ATOMIC_LOAD_UMIN || Opcode == ISD::ATOMIC_LOAD_UMAX)
&& "Invalid Atomic Op");
- SDVTList VTs = getVTList(Val.getValueType(), MVT::Other);
+
+ MVT VT = Val.getValueType();
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ SDVTList VTs = getVTList(VT, MVT::Other);
FoldingSetNodeID ID;
- SDOperand Ops[] = {Chain, Ptr, Val};
+ SDValue Ops[] = {Chain, Ptr, Val};
AddNodeIDNode(ID, Opcode, VTs, Ops, 3);
void* IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode* N =
getAllocator().Allocate<AtomicSDNode>();
+ return SDValue(E, 0);
+ SDNode* N =
NodeAllocator.Allocate<AtomicSDNode>();
new (N) AtomicSDNode(Opcode, VTs, Chain, Ptr, Val, PtrVal, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
/// getMergeValues - Create a MERGE_VALUES node from the given operands.
/// Allowed to return something different (and simpler) if Simplify is true.
-SDOperand SelectionDAG::getMergeValues(const SDOperand *Ops, unsigned NumOps,
- bool Simplify) {
+SDValue SelectionDAG::getMergeValues(const SDValue *Ops, unsigned NumOps,
+ bool Simplify) {
if (Simplify && NumOps == 1)
return Ops[0];
return getNode(ISD::MERGE_VALUES, getVTList(&VTs[0], NumOps), Ops, NumOps);
}
-SDOperand
+SDValue
SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
- MVT VT, SDOperand Chain,
- SDOperand Ptr, SDOperand Offset,
+ MVT VT, SDValue Chain,
+ SDValue Ptr, SDValue Offset,
const Value *SV, int SVOffset, MVT EVT,
bool isVolatile, unsigned Alignment) {
- if (Alignment == 0) { // Ensure that codegen never sees alignment 0
- const Type *Ty = 0;
- if (VT != MVT::iPTR) {
- Ty = VT.getTypeForMVT();
- } else if (SV) {
- const PointerType *PT = dyn_cast<PointerType>(SV->getType());
- assert(PT && "Value for load must be a pointer");
- Ty = PT->getElementType();
- }
- assert(Ty && "Could not get type information for load");
- Alignment = TLI.getTargetData()->getABITypeAlignment(Ty);
- }
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
if (VT == EVT) {
ExtType = ISD::NON_EXTLOAD;
} else {
// Extending load.
if (VT.isVector())
- assert(EVT == VT.getVectorElementType() && "Invalid vector extload!");
+ assert(EVT.getVectorNumElements() == VT.getVectorNumElements() &&
+ "Invalid vector extload!");
else
assert(EVT.bitsLT(VT) &&
"Should only be an extending load, not truncating!");
SDVTList VTs = Indexed ?
getVTList(VT, Ptr.getValueType(), MVT::Other) : getVTList(VT, MVT::Other);
- SDOperand Ops[] = { Chain, Ptr, Offset };
+ SDValue Ops[] = { Chain, Ptr, Offset };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::LOAD, VTs, Ops, 3);
ID.AddInteger(AM);
ID.AddInteger(ExtType);
ID.AddInteger(EVT.getRawBits());
- ID.AddInteger(Alignment);
- ID.AddInteger(isVolatile);
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<LoadSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LoadSDNode>();
new (N) LoadSDNode(Ops, VTs, AM, ExtType, EVT, SV, SVOffset,
Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getLoad(MVT VT,
- SDOperand Chain, SDOperand Ptr,
- const Value *SV, int SVOffset,
- bool isVolatile, unsigned Alignment) {
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+SDValue SelectionDAG::getLoad(MVT VT,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
return getLoad(ISD::UNINDEXED, ISD::NON_EXTLOAD, VT, Chain, Ptr, Undef,
SV, SVOffset, VT, isVolatile, Alignment);
}
-SDOperand SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, MVT VT,
- SDOperand Chain, SDOperand Ptr,
- const Value *SV,
- int SVOffset, MVT EVT,
- bool isVolatile, unsigned Alignment) {
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, MVT VT,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV,
+ int SVOffset, MVT EVT,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
return getLoad(ISD::UNINDEXED, ExtType, VT, Chain, Ptr, Undef,
SV, SVOffset, EVT, isVolatile, Alignment);
}
-SDOperand
-SelectionDAG::getIndexedLoad(SDOperand OrigLoad, SDOperand Base,
- SDOperand Offset, ISD::MemIndexedMode AM) {
+SDValue
+SelectionDAG::getIndexedLoad(SDValue OrigLoad, SDValue Base,
+ SDValue Offset, ISD::MemIndexedMode AM) {
LoadSDNode *LD = cast<LoadSDNode>(OrigLoad);
assert(LD->getOffset().getOpcode() == ISD::UNDEF &&
"Load is already a indexed load!");
LD->isVolatile(), LD->getAlignment());
}
-SDOperand SelectionDAG::getStore(SDOperand Chain, SDOperand Val,
- SDOperand Ptr, const Value *SV, int SVOffset,
- bool isVolatile, unsigned Alignment) {
+SDValue SelectionDAG::getStore(SDValue Chain, SDValue Val,
+ SDValue Ptr, const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
MVT VT = Val.getValueType();
- if (Alignment == 0) { // Ensure that codegen never sees alignment 0
- const Type *Ty = 0;
- if (VT != MVT::iPTR) {
- Ty = VT.getTypeForMVT();
- } else if (SV) {
- const PointerType *PT = dyn_cast<PointerType>(SV->getType());
- assert(PT && "Value for store must be a pointer");
- Ty = PT->getElementType();
- }
- assert(Ty && "Could not get type information for store");
- Alignment = TLI.getTargetData()->getABITypeAlignment(Ty);
- }
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
SDVTList VTs = getVTList(MVT::Other);
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
- SDOperand Ops[] = { Chain, Val, Ptr, Undef };
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
ID.AddInteger(ISD::UNINDEXED);
ID.AddInteger(false);
ID.AddInteger(VT.getRawBits());
- ID.AddInteger(Alignment);
- ID.AddInteger(isVolatile);
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<StoreSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
new (N) StoreSDNode(Ops, VTs, ISD::UNINDEXED, false,
VT, SV, SVOffset, Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getTruncStore(SDOperand Chain, SDOperand Val,
- SDOperand Ptr, const Value *SV,
- int SVOffset, MVT SVT,
- bool isVolatile, unsigned Alignment) {
+SDValue SelectionDAG::getTruncStore(SDValue Chain, SDValue Val,
+ SDValue Ptr, const Value *SV,
+ int SVOffset, MVT SVT,
+ bool isVolatile, unsigned Alignment) {
MVT VT = Val.getValueType();
if (VT == SVT)
assert(VT.isInteger() == SVT.isInteger() &&
"Can't do FP-INT conversion!");
- if (Alignment == 0) { // Ensure that codegen never sees alignment 0
- const Type *Ty = 0;
- if (VT != MVT::iPTR) {
- Ty = VT.getTypeForMVT();
- } else if (SV) {
- const PointerType *PT = dyn_cast<PointerType>(SV->getType());
- assert(PT && "Value for store must be a pointer");
- Ty = PT->getElementType();
- }
- assert(Ty && "Could not get type information for store");
- Alignment = TLI.getTargetData()->getABITypeAlignment(Ty);
- }
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
SDVTList VTs = getVTList(MVT::Other);
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
- SDOperand Ops[] = { Chain, Val, Ptr, Undef };
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
ID.AddInteger(ISD::UNINDEXED);
ID.AddInteger(1);
ID.AddInteger(SVT.getRawBits());
- ID.AddInteger(Alignment);
- ID.AddInteger(isVolatile);
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<StoreSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
new (N) StoreSDNode(Ops, VTs, ISD::UNINDEXED, true,
SVT, SV, SVOffset, Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand
-SelectionDAG::getIndexedStore(SDOperand OrigStore, SDOperand Base,
- SDOperand Offset, ISD::MemIndexedMode AM) {
+SDValue
+SelectionDAG::getIndexedStore(SDValue OrigStore, SDValue Base,
+ SDValue Offset, ISD::MemIndexedMode AM) {
StoreSDNode *ST = cast<StoreSDNode>(OrigStore);
assert(ST->getOffset().getOpcode() == ISD::UNDEF &&
"Store is already a indexed store!");
SDVTList VTs = getVTList(Base.getValueType(), MVT::Other);
- SDOperand Ops[] = { ST->getChain(), ST->getValue(), Base, Offset };
+ SDValue Ops[] = { ST->getChain(), ST->getValue(), Base, Offset };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
ID.AddInteger(AM);
ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getAlignment());
- ID.AddInteger(ST->isVolatile());
+ ID.AddInteger(ST->getRawFlags());
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<StoreSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
new (N) StoreSDNode(Ops, VTs, AM,
ST->isTruncatingStore(), ST->getMemoryVT(),
ST->getSrcValue(), ST->getSrcValueOffset(),
ST->getAlignment(), ST->isVolatile());
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getVAArg(MVT VT,
- SDOperand Chain, SDOperand Ptr,
- SDOperand SV) {
- SDOperand Ops[] = { Chain, Ptr, SV };
+SDValue SelectionDAG::getVAArg(MVT VT,
+ SDValue Chain, SDValue Ptr,
+ SDValue SV) {
+ SDValue Ops[] = { Chain, Ptr, SV };
return getNode(ISD::VAARG, getVTList(VT, MVT::Other), Ops, 3);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- const SDUse *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ const SDUse *Ops, unsigned NumOps) {
switch (NumOps) {
case 0: return getNode(Opcode, VT);
- case 1: return getNode(Opcode, VT, Ops[0].getSDOperand());
- case 2: return getNode(Opcode, VT, Ops[0].getSDOperand(),
- Ops[1].getSDOperand());
- case 3: return getNode(Opcode, VT, Ops[0].getSDOperand(),
- Ops[1].getSDOperand(), Ops[2].getSDOperand());
+ case 1: return getNode(Opcode, VT, Ops[0]);
+ case 2: return getNode(Opcode, VT, Ops[0], Ops[1]);
+ case 3: return getNode(Opcode, VT, Ops[0], Ops[1], Ops[2]);
default: break;
}
- // Copy from an SDUse array into an SDOperand array for use with
+ // Copy from an SDUse array into an SDValue array for use with
// the regular getNode logic.
- SmallVector<SDOperand, 8> NewOps;
- NewOps.reserve(NumOps);
- for (unsigned i = 0; i != NumOps; ++i)
- NewOps.push_back(Ops[i].getSDOperand());
- return getNode(Opcode, VT, Ops, NumOps);
+ SmallVector<SDValue, 8> NewOps(Ops, Ops + NumOps);
+ return getNode(Opcode, VT, &NewOps[0], NumOps);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ const SDValue *Ops, unsigned NumOps) {
switch (NumOps) {
case 0: return getNode(Opcode, VT);
case 1: return getNode(Opcode, VT, Ops[0]);
AddNodeIDNode(ID, Opcode, VTs, Ops, NumOps);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<SDNode>();
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<SDNode>();
new (N) SDNode(Opcode, VTs, Ops, NumOps);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<SDNode>();
+ N = NodeAllocator.Allocate<SDNode>();
new (N) SDNode(Opcode, VTs, Ops, NumOps);
}
AllNodes.push_back(N);
- return SDOperand(N, 0);
+#ifndef NDEBUG
+ VerifyNode(N);
+#endif
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode,
- std::vector<MVT> &ResultTys,
- const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode,
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
return getNode(Opcode, getNodeValueTypes(ResultTys), ResultTys.size(),
Ops, NumOps);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode,
- const MVT *VTs, unsigned NumVTs,
- const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode,
+ const MVT *VTs, unsigned NumVTs,
+ const SDValue *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) {
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps) {
if (VTList.NumVTs == 1)
return getNode(Opcode, VTList.VTs[0], Ops, NumOps);
AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
if (NumOps == 1) {
- N = getAllocator().Allocate<UnarySDNode>();
+ N = NodeAllocator.Allocate<UnarySDNode>();
new (N) UnarySDNode(Opcode, VTList, Ops[0]);
} else if (NumOps == 2) {
- N = getAllocator().Allocate<BinarySDNode>();
+ N = NodeAllocator.Allocate<BinarySDNode>();
new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
} else if (NumOps == 3) {
- N = getAllocator().Allocate<TernarySDNode>();
+ N = NodeAllocator.Allocate<TernarySDNode>();
new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
} else {
- N = getAllocator().Allocate<SDNode>();
+ N = NodeAllocator.Allocate<SDNode>();
new (N) SDNode(Opcode, VTList, Ops, NumOps);
}
CSEMap.InsertNode(N, IP);
} else {
if (NumOps == 1) {
- N = getAllocator().Allocate<UnarySDNode>();
+ N = NodeAllocator.Allocate<UnarySDNode>();
new (N) UnarySDNode(Opcode, VTList, Ops[0]);
} else if (NumOps == 2) {
- N = getAllocator().Allocate<BinarySDNode>();
+ N = NodeAllocator.Allocate<BinarySDNode>();
new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
} else if (NumOps == 3) {
- N = getAllocator().Allocate<TernarySDNode>();
+ N = NodeAllocator.Allocate<TernarySDNode>();
new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
} else {
- N = getAllocator().Allocate<SDNode>();
+ N = NodeAllocator.Allocate<SDNode>();
new (N) SDNode(Opcode, VTList, Ops, NumOps);
}
}
AllNodes.push_back(N);
- return SDOperand(N, 0);
+#ifndef NDEBUG
+ VerifyNode(N);
+#endif
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList) {
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList) {
return getNode(Opcode, VTList, 0, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1) {
- SDOperand Ops[] = { N1 };
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1) {
+ SDValue Ops[] = { N1 };
return getNode(Opcode, VTList, Ops, 1);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2) {
- SDOperand Ops[] = { N1, N2 };
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2) {
+ SDValue Ops[] = { N1, N2 };
return getNode(Opcode, VTList, Ops, 2);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2, SDOperand N3) {
- SDOperand Ops[] = { N1, N2, N3 };
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3) {
+ SDValue Ops[] = { N1, N2, N3 };
return getNode(Opcode, VTList, Ops, 3);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4) {
- SDOperand Ops[] = { N1, N2, N3, N4 };
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
+ SDValue Ops[] = { N1, N2, N3, N4 };
return getNode(Opcode, VTList, Ops, 4);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4, SDOperand N5) {
- SDOperand Ops[] = { N1, N2, N3, N4, N5 };
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
+ SDValue Ops[] = { N1, N2, N3, N4, N5 };
return getNode(Opcode, VTList, Ops, 5);
}
}
SDVTList SelectionDAG::getVTList(MVT VT1, MVT VT2) {
- for (std::list<std::vector<MVT> >::iterator I = VTList.begin(),
- E = VTList.end(); I != E; ++I) {
- if (I->size() == 2 && (*I)[0] == VT1 && (*I)[1] == VT2)
- return makeVTList(&(*I)[0], 2);
- }
- std::vector<MVT> V;
- V.push_back(VT1);
- V.push_back(VT2);
- VTList.push_front(V);
- return makeVTList(&(*VTList.begin())[0], 2);
-}
-SDVTList SelectionDAG::getVTList(MVT VT1, MVT VT2,
- MVT VT3) {
- for (std::list<std::vector<MVT> >::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> V;
- V.push_back(VT1);
- V.push_back(VT2);
- V.push_back(VT3);
- VTList.push_front(V);
- return makeVTList(&(*VTList.begin())[0], 3);
+ for (std::vector<SDVTList>::reverse_iterator I = VTList.rbegin(),
+ E = VTList.rend(); I != E; ++I)
+ if (I->NumVTs == 2 && I->VTs[0] == VT1 && I->VTs[1] == VT2)
+ return *I;
+
+ MVT *Array = Allocator.Allocate<MVT>(2);
+ Array[0] = VT1;
+ Array[1] = VT2;
+ SDVTList Result = makeVTList(Array, 2);
+ VTList.push_back(Result);
+ return Result;
+}
+
+SDVTList SelectionDAG::getVTList(MVT VT1, MVT VT2, MVT VT3) {
+ for (std::vector<SDVTList>::reverse_iterator I = VTList.rbegin(),
+ E = VTList.rend(); I != E; ++I)
+ if (I->NumVTs == 3 && I->VTs[0] == VT1 && I->VTs[1] == VT2 &&
+ I->VTs[2] == VT3)
+ return *I;
+
+ MVT *Array = Allocator.Allocate<MVT>(3);
+ Array[0] = VT1;
+ Array[1] = VT2;
+ Array[2] = VT3;
+ SDVTList Result = makeVTList(Array, 3);
+ VTList.push_back(Result);
+ return Result;
}
SDVTList SelectionDAG::getVTList(const MVT *VTs, unsigned NumVTs) {
default: break;
}
- for (std::list<std::vector<MVT> >::iterator I = VTList.begin(),
- E = VTList.end(); I != E; ++I) {
- if (I->size() != NumVTs || VTs[0] != (*I)[0] || VTs[1] != (*I)[1]) continue;
+ for (std::vector<SDVTList>::reverse_iterator I = VTList.rbegin(),
+ E = VTList.rend(); I != E; ++I) {
+ if (I->NumVTs != NumVTs || VTs[0] != I->VTs[0] || VTs[1] != I->VTs[1])
+ continue;
bool NoMatch = false;
for (unsigned i = 2; i != NumVTs; ++i)
- if (VTs[i] != (*I)[i]) {
+ if (VTs[i] != I->VTs[i]) {
NoMatch = true;
break;
}
if (!NoMatch)
- return makeVTList(&*I->begin(), NumVTs);
+ return *I;
}
- VTList.push_front(std::vector<MVT>(VTs, VTs+NumVTs));
- return makeVTList(&*VTList.begin()->begin(), NumVTs);
+ MVT *Array = Allocator.Allocate<MVT>(NumVTs);
+ std::copy(VTs, VTs+NumVTs, Array);
+ SDVTList Result = makeVTList(Array, NumVTs);
+ VTList.push_back(Result);
+ return Result;
}
/// already exists. If the resultant node does not exist in the DAG, the
/// input node is returned. As a degenerate case, if you specify the same
/// input operands as the node already has, the input node is returned.
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, SDOperand Op) {
+SDValue SelectionDAG::UpdateNodeOperands(SDValue InN, SDValue Op) {
SDNode *N = InN.Val;
assert(N->getNumOperands() == 1 && "Update with wrong number of operands");
// See if the modified node already exists.
void *InsertPos = 0;
if (SDNode *Existing = FindModifiedNodeSlot(N, Op, InsertPos))
- return SDOperand(Existing, InN.ResNo);
+ return SDValue(Existing, InN.ResNo);
- // Nope it doesn't. Remove the node from it's current place in the maps.
+ // Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
RemoveNodeFromCSEMaps(N);
return InN;
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, SDOperand Op1, SDOperand Op2) {
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue InN, SDValue Op1, SDValue Op2) {
SDNode *N = InN.Val;
assert(N->getNumOperands() == 2 && "Update with wrong number of operands");
// See if the modified node already exists.
void *InsertPos = 0;
if (SDNode *Existing = FindModifiedNodeSlot(N, Op1, Op2, InsertPos))
- return SDOperand(Existing, InN.ResNo);
+ return SDValue(Existing, InN.ResNo);
- // Nope it doesn't. Remove the node from it's current place in the maps.
+ // Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
RemoveNodeFromCSEMaps(N);
return InN;
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2, SDOperand Op3) {
- SDOperand Ops[] = { Op1, Op2, Op3 };
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2, SDValue Op3) {
+ SDValue Ops[] = { Op1, Op2, Op3 };
return UpdateNodeOperands(N, Ops, 3);
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4) {
- SDOperand Ops[] = { Op1, Op2, Op3, Op4 };
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDValue Op3, SDValue Op4) {
+ SDValue 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) {
- SDOperand Ops[] = { Op1, Op2, Op3, Op4, Op5 };
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDValue Op3, SDValue Op4, SDValue Op5) {
+ SDValue Ops[] = { Op1, Op2, Op3, Op4, Op5 };
return UpdateNodeOperands(N, Ops, 5);
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue InN, const SDValue *Ops, unsigned NumOps) {
SDNode *N = InN.Val;
assert(N->getNumOperands() == NumOps &&
"Update with wrong number of operands");
// See if the modified node already exists.
void *InsertPos = 0;
if (SDNode *Existing = FindModifiedNodeSlot(N, Ops, NumOps, InsertPos))
- return SDOperand(Existing, InN.ResNo);
+ return SDValue(Existing, InN.ResNo);
// Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
return InN;
}
-/// MorphNodeTo - This frees the operands of the current node, resets the
-/// opcode, types, and operands to the specified value. This should only be
-/// used by the SelectionDAG class.
-void SDNode::MorphNodeTo(unsigned Opc, SDVTList L,
- const SDOperand *Ops, unsigned NumOps,
- SmallVectorImpl<SDNode *> &DeadNodes) {
- NodeType = Opc;
- ValueList = L.VTs;
- NumValues = L.NumVTs;
-
- // Clear the operands list, updating used nodes to remove this from their
- // use list. Keep track of any operands that become dead as a result.
- SmallPtrSet<SDNode*, 16> DeadNodeSet;
- for (op_iterator I = op_begin(), E = op_end(); I != E; ++I) {
- SDNode *N = I->getVal();
- N->removeUser(std::distance(op_begin(), I), this);
- if (N->use_empty())
- DeadNodeSet.insert(N);
- }
-
- // If NumOps is larger than the # of operands we currently have, reallocate
- // the operand list.
- if (NumOps > NumOperands) {
- if (OperandsNeedDelete) {
- delete [] OperandList;
- }
- OperandList = new SDUse[NumOps];
- OperandsNeedDelete = true;
- }
-
- // Assign the new operands.
- NumOperands = NumOps;
-
- for (unsigned i = 0, e = NumOps; i != e; ++i) {
- OperandList[i] = Ops[i];
- OperandList[i].setUser(this);
- SDNode *N = OperandList[i].getVal();
- N->addUser(i, this);
- ++N->UsesSize;
- DeadNodeSet.erase(N);
- }
-
- // Clean up any nodes that are still dead after adding the uses for the
- // new operands.
- for (SmallPtrSet<SDNode *, 16>::iterator I = DeadNodeSet.begin(),
- E = DeadNodeSet.end(); I != E; ++I)
- DeadNodes.push_back(*I);
-}
-
/// DropOperands - Release the operands and set this node to have
-/// zero operands. This should only be used by HandleSDNode to clear
-/// its operand list.
+/// zero operands.
void SDNode::DropOperands() {
- assert(NodeType == ISD::HANDLENODE &&
- "DropOperands is for HANDLENODE only!");
-
// Unlike the code in MorphNodeTo that does this, we don't need to
// watch for dead nodes here.
for (op_iterator I = op_begin(), E = op_end(); I != E; ++I)
NumOperands = 0;
}
-/// SelectNodeTo - These are used for target selectors to *mutate* the
-/// specified node to have the specified return type, Target opcode, and
-/// operands. Note that target opcodes are stored as
-/// ISD::BUILTIN_OP_END+TargetOpcode in the node opcode field.
+/// SelectNodeTo - These are wrappers around MorphNodeTo that accept a
+/// machine opcode.
///
-/// 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.
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT) {
SDVTList VTs = getVTList(VT);
- return SelectNodeTo(N, TargetOpc, VTs, 0, 0);
+ return SelectNodeTo(N, MachineOpc, VTs, 0, 0);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, SDOperand Op1) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, SDValue Op1) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1 };
- return SelectNodeTo(N, TargetOpc, VTs, Ops, 1);
+ SDValue Ops[] = { Op1 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 1);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, SDOperand Op1,
- SDOperand Op2) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, SDValue Op1,
+ SDValue Op2) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2 };
- return SelectNodeTo(N, TargetOpc, VTs, Ops, 2);
+ SDValue Ops[] = { Op1, Op2 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 2);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3) {
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- return SelectNodeTo(N, TargetOpc, VTs, Ops, 3);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, const SDOperand *Ops,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, const SDValue *Ops,
unsigned NumOps) {
SDVTList VTs = getVTList(VT);
- return SelectNodeTo(N, TargetOpc, VTs, Ops, NumOps);
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT1, MVT VT2, const SDOperand *Ops,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT1, MVT VT2, const SDValue *Ops,
unsigned NumOps) {
SDVTList VTs = getVTList(VT1, VT2);
- return SelectNodeTo(N, TargetOpc, VTs, Ops, NumOps);
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2) {
SDVTList VTs = getVTList(VT1, VT2);
- return SelectNodeTo(N, TargetOpc, VTs, (SDOperand *)0, 0);
+ return SelectNodeTo(N, MachineOpc, VTs, (SDValue *)0, 0);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2, MVT VT3,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
SDVTList VTs = getVTList(VT1, VT2, VT3);
- return SelectNodeTo(N, TargetOpc, VTs, Ops, NumOps);
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1) {
+ SDValue Op1) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1 };
- return SelectNodeTo(N, TargetOpc, VTs, Ops, 1);
+ SDValue Ops[] = { Op1 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 1);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2) {
+ SDValue Op1, SDValue Op2) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2 };
- return SelectNodeTo(N, TargetOpc, VTs, Ops, 2);
+ SDValue Ops[] = { Op1, Op2 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 2);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- return SelectNodeTo(N, TargetOpc, VTs, Ops, 3);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- SDVTList VTs, const SDOperand *Ops,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ SDVTList VTs, const SDValue *Ops,
unsigned NumOps) {
+ return MorphNodeTo(N, ~MachineOpc, VTs, Ops, NumOps);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT) {
+ SDVTList VTs = getVTList(VT);
+ return MorphNodeTo(N, Opc, VTs, 0, 0);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT, SDValue Op1) {
+ SDVTList VTs = getVTList(VT);
+ SDValue Ops[] = { Op1 };
+ return MorphNodeTo(N, Opc, VTs, Ops, 1);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT, SDValue Op1,
+ SDValue Op2) {
+ SDVTList VTs = getVTList(VT);
+ SDValue Ops[] = { Op1, Op2 };
+ return MorphNodeTo(N, Opc, VTs, Ops, 2);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
+ SDVTList VTs = getVTList(VT);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return MorphNodeTo(N, Opc, VTs, Ops, 3);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT, const SDValue *Ops,
+ unsigned NumOps) {
+ SDVTList VTs = getVTList(VT);
+ return MorphNodeTo(N, Opc, VTs, Ops, NumOps);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT1, MVT VT2, const SDValue *Ops,
+ unsigned NumOps) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ return MorphNodeTo(N, Opc, VTs, Ops, NumOps);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT1, MVT VT2) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ return MorphNodeTo(N, Opc, VTs, (SDValue *)0, 0);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT1, MVT VT2, MVT VT3,
+ const SDValue *Ops, unsigned NumOps) {
+ SDVTList VTs = getVTList(VT1, VT2, VT3);
+ return MorphNodeTo(N, Opc, VTs, Ops, NumOps);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT1, MVT VT2,
+ SDValue Op1) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ SDValue Ops[] = { Op1 };
+ return MorphNodeTo(N, Opc, VTs, Ops, 1);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT1, MVT VT2,
+ SDValue Op1, SDValue Op2) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ SDValue Ops[] = { Op1, Op2 };
+ return MorphNodeTo(N, Opc, VTs, Ops, 2);
+}
+
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ MVT VT1, MVT VT2,
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return MorphNodeTo(N, Opc, VTs, Ops, 3);
+}
+
+/// MorphNodeTo - These *mutate* the specified node to have the specified
+/// return type, opcode, and operands.
+///
+/// Note that MorphNodeTo 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.
+///
+/// Using MorphNodeTo is faster than creating a new node and swapping it in
+/// with ReplaceAllUsesWith both because it often avoids allocating a new
+/// node, and because it doesn't require CSE recalulation for any of
+/// the node's users.
+///
+SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
+ SDVTList VTs, const SDValue *Ops,
+ unsigned NumOps) {
// If an identical node already exists, use it.
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, NumOps);
void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
+ if (VTs.VTs[VTs.NumVTs-1] != MVT::Flag) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opc, VTs, Ops, NumOps);
+ if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return ON;
+ }
RemoveNodeFromCSEMaps(N);
+ // Start the morphing.
+ N->NodeType = Opc;
+ N->ValueList = VTs.VTs;
+ N->NumValues = VTs.NumVTs;
+
+ // Clear the operands list, updating used nodes to remove this from their
+ // use list. Keep track of any operands that become dead as a result.
+ SmallPtrSet<SDNode*, 16> DeadNodeSet;
+ for (SDNode::op_iterator B = N->op_begin(), I = B, E = N->op_end();
+ I != E; ++I) {
+ SDNode *Used = I->getVal();
+ Used->removeUser(std::distance(B, I), N);
+ if (Used->use_empty())
+ DeadNodeSet.insert(Used);
+ }
+
+ // If NumOps is larger than the # of operands we currently have, reallocate
+ // the operand list.
+ if (NumOps > N->NumOperands) {
+ if (N->OperandsNeedDelete)
+ delete[] N->OperandList;
+ if (N->isMachineOpcode()) {
+ // We're creating a final node that will live unmorphed for the
+ // remainder of this SelectionDAG's duration, so we can allocate the
+ // operands directly out of the pool with no recycling metadata.
+ N->OperandList = Allocator.Allocate<SDUse>(NumOps);
+ N->OperandsNeedDelete = false;
+ } else {
+ N->OperandList = new SDUse[NumOps];
+ N->OperandsNeedDelete = true;
+ }
+ }
+
+ // Assign the new operands.
+ N->NumOperands = NumOps;
+ for (unsigned i = 0, e = NumOps; i != e; ++i) {
+ N->OperandList[i] = Ops[i];
+ N->OperandList[i].setUser(N);
+ SDNode *ToUse = N->OperandList[i].getVal();
+ ToUse->addUser(i, N);
+ DeadNodeSet.erase(ToUse);
+ }
+
+ // Delete any nodes that are still dead after adding the uses for the
+ // new operands.
SmallVector<SDNode *, 16> DeadNodes;
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, NumOps, DeadNodes);
+ for (SmallPtrSet<SDNode *, 16>::iterator I = DeadNodeSet.begin(),
+ E = DeadNodeSet.end(); I != E; ++I)
+ if ((*I)->use_empty())
+ DeadNodes.push_back(*I);
RemoveDeadNodes(DeadNodes);
- CSEMap.InsertNode(N, IP); // Memoize the new node.
+ if (IP)
+ CSEMap.InsertNode(N, IP); // Memoize the new node.
return N;
}
/// node of the specified opcode and operands, it returns that node instead of
/// the current one.
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT).Val;
+ return getNode(~Opcode, VT).Val;
}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT, SDOperand Op1) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1).Val;
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT, SDValue Op1) {
+ return getNode(~Opcode, VT, Op1).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- SDOperand Op1, SDOperand Op2) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2).Val;
+ SDValue Op1, SDValue Op2) {
+ return getNode(~Opcode, VT, Op1, Op2).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3).Val;
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ return getNode(~Opcode, VT, Op1, Op2, Op3).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- const SDOperand *Ops, unsigned NumOps) {
- return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops, NumOps).Val;
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(~Opcode, VT, Ops, NumOps).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- SDOperand Op;
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, &Op, 0).Val;
+ SDValue Op;
+ return getNode(~Opcode, VTs, 2, &Op, 0).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
- MVT VT2, SDOperand Op1) {
+ MVT VT2, SDValue Op1) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, &Op1, 1).Val;
+ return getNode(~Opcode, VTs, 2, &Op1, 1).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
- MVT VT2, SDOperand Op1,
- SDOperand Op2) {
+ MVT VT2, SDValue Op1,
+ SDValue Op2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2 };
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, Ops, 2).Val;
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, VTs, 2, Ops, 2).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
- MVT VT2, SDOperand Op1,
- SDOperand Op2, SDOperand Op3) {
+ MVT VT2, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, Ops, 3).Val;
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, VTs, 2, Ops, 3).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 2, Ops, NumOps).Val;
+ return getNode(~Opcode, VTs, 2, Ops, NumOps).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- SDOperand Op1, SDOperand Op2) {
+ SDValue Op1, SDValue Op2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
- SDOperand Ops[] = { Op1, Op2 };
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 3, Ops, 2).Val;
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, VTs, 3, Ops, 2).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 3, Ops, 3).Val;
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, VTs, 3, Ops, 3).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 3, Ops, NumOps).Val;
+ return getNode(~Opcode, VTs, 3, Ops, NumOps).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, MVT VT3, MVT VT4,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
std::vector<MVT> VTList;
VTList.push_back(VT1);
VTList.push_back(VT2);
VTList.push_back(VT3);
VTList.push_back(VT4);
const MVT *VTs = getNodeValueTypes(VTList);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, 4, Ops, NumOps).Val;
+ return getNode(~Opcode, VTs, 4, Ops, NumOps).Val;
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode,
- std::vector<MVT> &ResultTys,
- const SDOperand *Ops, unsigned NumOps) {
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(ResultTys);
- return getNode(ISD::BUILTIN_OP_END+Opcode, VTs, ResultTys.size(),
+ return getNode(~Opcode, VTs, ResultTys.size(),
Ops, NumOps).Val;
}
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
SDNode *SelectionDAG::getNodeIfExists(unsigned Opcode, SDVTList VTList,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
if (VTList.VTs[VTList.NumVTs-1] != MVT::Flag) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
///
/// This version assumes From has a single result value.
///
-void SelectionDAG::ReplaceAllUsesWith(SDOperand FromN, SDOperand To,
+void SelectionDAG::ReplaceAllUsesWith(SDValue FromN, SDValue To,
DAGUpdateListener *UpdateListener) {
SDNode *From = FromN.Val;
assert(From->getNumValues() == 1 && FromN.ResNo == 0 &&
while (!From->use_empty()) {
SDNode::use_iterator UI = From->use_begin();
- SDNode *U = UI->getUser();
+ SDNode *U = *UI;
// This node is about to morph, remove its old self from the CSE maps.
RemoveNodeFromCSEMaps(U);
///
void SelectionDAG::ReplaceAllUsesWith(SDNode *From, SDNode *To,
DAGUpdateListener *UpdateListener) {
- assert(From != To && "Cannot replace uses of with self");
- assert(From->getNumValues() == To->getNumValues() &&
+ assert(From->getVTList().VTs == To->getVTList().VTs &&
+ From->getNumValues() == To->getNumValues() &&
"Cannot use this version of ReplaceAllUsesWith!");
- if (From->getNumValues() == 1) // If possible, use the faster version.
- return ReplaceAllUsesWith(SDOperand(From, 0), SDOperand(To, 0),
- UpdateListener);
-
+
+ // Handle the trivial case.
+ if (From == To)
+ return;
+
while (!From->use_empty()) {
SDNode::use_iterator UI = From->use_begin();
- SDNode *U = UI->getUser();
+ SDNode *U = *UI;
// This node is about to morph, remove its old self from the CSE maps.
RemoveNodeFromCSEMaps(U);
/// 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 SDOperand *To,
+ const SDValue *To,
DAGUpdateListener *UpdateListener) {
if (From->getNumValues() == 1) // Handle the simple case efficiently.
- return ReplaceAllUsesWith(SDOperand(From, 0), To[0], UpdateListener);
+ return ReplaceAllUsesWith(SDValue(From, 0), To[0], UpdateListener);
while (!From->use_empty()) {
SDNode::use_iterator UI = From->use_begin();
- SDNode *U = UI->getUser();
+ SDNode *U = *UI;
// This node is about to morph, remove its old self from the CSE maps.
RemoveNodeFromCSEMaps(U);
for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
I != E; ++I, ++operandNum)
if (I->getVal() == From) {
- const SDOperand &ToOp = To[I->getSDOperand().ResNo];
+ const SDValue &ToOp = To[I->getSDValue().ResNo];
From->removeUser(operandNum, U);
*I = ToOp;
I->setUser(U);
}
}
-namespace {
- /// ChainedSetUpdaterListener - This class is a DAGUpdateListener that removes
- /// any deleted nodes from the set passed into its constructor and recursively
- /// notifies another update listener if specified.
- class ChainedSetUpdaterListener :
- public SelectionDAG::DAGUpdateListener {
- SmallSetVector<SDNode*, 16> &Set;
- SelectionDAG::DAGUpdateListener *Chain;
- public:
- ChainedSetUpdaterListener(SmallSetVector<SDNode*, 16> &set,
- SelectionDAG::DAGUpdateListener *chain)
- : Set(set), Chain(chain) {}
-
- virtual void NodeDeleted(SDNode *N, SDNode *E) {
- Set.remove(N);
- if (Chain) Chain->NodeDeleted(N, E);
- }
- virtual void NodeUpdated(SDNode *N) {
- if (Chain) Chain->NodeUpdated(N);
- }
- };
-}
-
/// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving
/// uses of other values produced by From.Val alone. The Deleted vector is
/// handled the same way as for ReplaceAllUsesWith.
-void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
+void SelectionDAG::ReplaceAllUsesOfValueWith(SDValue From, SDValue To,
DAGUpdateListener *UpdateListener){
- assert(From != To && "Cannot replace a value with itself");
-
+ // Handle the really simple, really trivial case efficiently.
+ if (From == To) return;
+
// Handle the simple, trivial, case efficiently.
if (From.Val->getNumValues() == 1) {
ReplaceAllUsesWith(From, To, UpdateListener);
return;
}
- if (From.use_empty()) return;
-
// Get all of the users of From.Val. We want these in a nice,
// deterministically ordered and uniqued set, so we use a SmallSetVector.
- SmallSetVector<SDNode*, 16> Users;
- for (SDNode::use_iterator UI = From.Val->use_begin(),
- E = From.Val->use_end(); UI != E; ++UI) {
- SDNode *User = UI->getUser();
- Users.insert(User);
- }
+ SmallSetVector<SDNode*, 16> Users(From.Val->use_begin(), From.Val->use_end());
- // When one of the recursive merges deletes nodes from the graph, we need to
- // make sure that UpdateListener is notified *and* that the node is removed
- // from Users if present. CSUL does this.
- ChainedSetUpdaterListener CSUL(Users, UpdateListener);
-
while (!Users.empty()) {
// We know that this user uses some value of From. If it is the right
// value, update it.
// If there was already an existing matching node, use ReplaceAllUsesWith
// to replace the dead one with the existing one. This can cause
- // recursive merging of other unrelated nodes down the line. The merging
- // can cause deletion of nodes that used the old value. To handle this, we
- // use CSUL to remove them from the Users set.
- ReplaceAllUsesWith(User, Existing, &CSUL);
+ // recursive merging of other unrelated nodes down the line.
+ ReplaceAllUsesWith(User, Existing, UpdateListener);
// User is now dead. Notify a listener if present.
if (UpdateListener) UpdateListener->NodeDeleted(User, Existing);
}
}
-/// 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){
- SDNode *N = I;
- N->setNodeId(Id++);
+/// ReplaceAllUsesOfValuesWith - Replace any uses of From with To, leaving
+/// uses of other values produced by From.Val alone. The same value may
+/// appear in both the From and To list. The Deleted vector is
+/// handled the same way as for ReplaceAllUsesWith.
+void SelectionDAG::ReplaceAllUsesOfValuesWith(const SDValue *From,
+ const SDValue *To,
+ unsigned Num,
+ DAGUpdateListener *UpdateListener){
+ // Handle the simple, trivial case efficiently.
+ if (Num == 1)
+ return ReplaceAllUsesOfValueWith(*From, *To, UpdateListener);
+
+ SmallVector<std::pair<SDNode *, unsigned>, 16> Users;
+ for (unsigned i = 0; i != Num; ++i)
+ for (SDNode::use_iterator UI = From[i].Val->use_begin(),
+ E = From[i].Val->use_end(); UI != E; ++UI)
+ Users.push_back(std::make_pair(*UI, i));
+
+ while (!Users.empty()) {
+ // We know that this user uses some value of From. If it is the right
+ // value, update it.
+ SDNode *User = Users.back().first;
+ unsigned i = Users.back().second;
+ Users.pop_back();
+
+ // Scan for an operand that matches From.
+ SDNode::op_iterator Op = User->op_begin(), E = User->op_end();
+ for (; Op != E; ++Op)
+ if (*Op == From[i]) break;
+
+ // If there are no matches, the user must use some other result of From.
+ if (Op == E) continue;
+
+ // Okay, we know this user needs to be updated. Remove its old self
+ // from the CSE maps.
+ RemoveNodeFromCSEMaps(User);
+
+ // Update all operands that match "From" in case there are multiple uses.
+ for (; Op != E; ++Op) {
+ if (*Op == From[i]) {
+ From[i].Val->removeUser(Op-User->op_begin(), User);
+ *Op = To[i];
+ Op->setUser(User);
+ To[i].Val->addUser(Op-User->op_begin(), User);
+ }
+ }
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ SDNode *Existing = AddNonLeafNodeToCSEMaps(User);
+ if (!Existing) {
+ if (UpdateListener) UpdateListener->NodeUpdated(User);
+ continue; // Continue on to next user.
+ }
+
+ // If there was already an existing matching node, use ReplaceAllUsesWith
+ // to replace the dead one with the existing one. This can cause
+ // recursive merging of other unrelated nodes down the line.
+ ReplaceAllUsesWith(User, Existing, UpdateListener);
+
+ // User is now dead. Notify a listener if present.
+ if (UpdateListener) UpdateListener->NodeDeleted(User, Existing);
+ DeleteNodeNotInCSEMaps(User);
}
- return Id;
}
/// AssignTopologicalOrder - Assign a unique node id for each node in the DAG
TheGlobal = const_cast<GlobalValue*>(GA);
}
+MemSDNode::MemSDNode(unsigned Opc, SDVTList VTs, MVT memvt,
+ const Value *srcValue, int SVO,
+ unsigned alignment, bool vol)
+ : SDNode(Opc, VTs), MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
+ Flags(encodeMemSDNodeFlags(vol, alignment)) {
+
+ assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
+ assert(getAlignment() == alignment && "Alignment representation error!");
+ assert(isVolatile() == vol && "Volatile representation error!");
+}
+
/// getMemOperand - Return a MachineMemOperand object describing the memory
-/// reference performed by this atomic.
-MachineMemOperand AtomicSDNode::getMemOperand() const {
- int Size = (getValueType(0).getSizeInBits() + 7) >> 3;
- int Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
+/// reference performed by this memory reference.
+MachineMemOperand MemSDNode::getMemOperand() const {
+ int Flags;
+ if (isa<LoadSDNode>(this))
+ Flags = MachineMemOperand::MOLoad;
+ else if (isa<StoreSDNode>(this))
+ Flags = MachineMemOperand::MOStore;
+ else {
+ assert(isa<AtomicSDNode>(this) && "Unknown MemSDNode opcode!");
+ Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
+ }
+
+ int Size = (getMemoryVT().getSizeInBits() + 7) >> 3;
if (isVolatile()) Flags |= MachineMemOperand::MOVolatile;
- // Check if the atomic references a frame index
+ // Check if the memory reference references a frame index
const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(getBasePtr().Val);
if (!getSrcValue() && FI)
- return MachineMemOperand(PseudoSourceValue::getFixedStack(), Flags,
- FI->getIndex(), Size, getAlignment());
+ return MachineMemOperand(PseudoSourceValue::getFixedStack(FI->getIndex()),
+ Flags, 0, Size, getAlignment());
else
return MachineMemOperand(getSrcValue(), Flags, getSrcValueOffset(),
Size, getAlignment());
}
-/// getMemOperand - Return a MachineMemOperand object describing the memory
-/// reference performed by this load or store.
-MachineMemOperand LSBaseSDNode::getMemOperand() const {
- int Size = (getMemoryVT().getSizeInBits() + 7) >> 3;
- int Flags =
- getOpcode() == ISD::LOAD ? MachineMemOperand::MOLoad :
- MachineMemOperand::MOStore;
- if (isVolatile()) Flags |= MachineMemOperand::MOVolatile;
-
- // Check if the load references a frame index, and does not have
- // an SV attached.
- const FrameIndexSDNode *FI =
- dyn_cast<const FrameIndexSDNode>(getBasePtr().Val);
- if (!getSrcValue() && FI)
- return MachineMemOperand(PseudoSourceValue::getFixedStack(), Flags,
- FI->getIndex(), Size, getAlignment());
- else
- return MachineMemOperand(getSrcValue(), Flags,
- getSrcValueOffset(), Size, getAlignment());
-}
-
/// Profile - Gather unique data for the node.
///
-void SDNode::Profile(FoldingSetNodeID &ID) {
+void SDNode::Profile(FoldingSetNodeID &ID) const {
AddNodeIDNode(ID, this);
}
bool SDNode::hasNUsesOfValue(unsigned NUses, unsigned Value) const {
assert(Value < getNumValues() && "Bad value!");
- // If there is only one value, this is easy.
- if (getNumValues() == 1)
- return use_size() == NUses;
- if (use_size() < NUses) return false;
-
- SDOperand TheValue(const_cast<SDNode *>(this), Value);
-
- SmallPtrSet<SDNode*, 32> UsersHandled;
-
// TODO: Only iterate over uses of a given value of the node
for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
- if (*UI == TheValue) {
+ if (UI.getUse().getSDValue().ResNo == Value) {
if (NUses == 0)
return false;
--NUses;
bool SDNode::hasAnyUseOfValue(unsigned Value) const {
assert(Value < getNumValues() && "Bad value!");
- if (use_empty()) return false;
-
- SDOperand TheValue(const_cast<SDNode *>(this), Value);
-
- SmallPtrSet<SDNode*, 32> UsersHandled;
-
- for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
- SDNode *User = UI->getUser();
- if (User->getNumOperands() == 1 ||
- UsersHandled.insert(User)) // First time we've seen this?
- for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i)
- if (User->getOperand(i) == TheValue) {
- return true;
- }
- }
+ for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI)
+ if (UI.getUse().getSDValue().ResNo == Value)
+ return true;
return false;
}
-/// isOnlyUseOf - Return true if this node is the only use of N.
+/// isOnlyUserOf - Return true if this node is the only use of N.
///
-bool SDNode::isOnlyUseOf(SDNode *N) const {
+bool SDNode::isOnlyUserOf(SDNode *N) const {
bool Seen = false;
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
- SDNode *User = I->getUser();
+ SDNode *User = *I;
if (User == this)
Seen = true;
else
/// isOperand - Return true if this node is an operand of N.
///
-bool SDOperand::isOperandOf(SDNode *N) const {
+bool SDValue::isOperandOf(SDNode *N) const {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (*this == N->getOperand(i))
return true;
/// side-effecting instructions. In practice, this looks through token
/// factors and non-volatile loads. In order to remain efficient, this only
/// looks a couple of nodes in, it does not do an exhaustive search.
-bool SDOperand::reachesChainWithoutSideEffects(SDOperand Dest,
+bool SDValue::reachesChainWithoutSideEffects(SDValue Dest,
unsigned Depth) const {
if (*this == Dest) return true;
default:
if (getOpcode() < ISD::BUILTIN_OP_END)
return "<<Unknown DAG Node>>";
- else {
- if (G) {
+ if (isMachineOpcode()) {
+ if (G)
if (const TargetInstrInfo *TII = G->getTarget().getInstrInfo())
- if (getOpcode()-ISD::BUILTIN_OP_END < TII->getNumOpcodes())
- return TII->get(getOpcode()-ISD::BUILTIN_OP_END).getName();
-
- TargetLowering &TLI = G->getTargetLoweringInfo();
- const char *Name =
- TLI.getTargetNodeName(getOpcode());
- if (Name) return Name;
- }
-
+ if (getMachineOpcode() < TII->getNumOpcodes())
+ return TII->get(getMachineOpcode()).getName();
+ return "<<Unknown Machine Node>>";
+ }
+ if (G) {
+ TargetLowering &TLI = G->getTargetLoweringInfo();
+ const char *Name = TLI.getTargetNodeName(getOpcode());
+ if (Name) return Name;
return "<<Unknown Target Node>>";
}
+ return "<<Unknown Node>>";
+#ifndef NDEBUG
+ case ISD::DELETED_NODE:
+ return "<<Deleted Node!>>";
+#endif
case ISD::PREFETCH: return "Prefetch";
case ISD::MEMBARRIER: return "MemBarrier";
case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
}
if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
- cerr << "<" << CSDN->getValue() << ">";
+ cerr << '<' << CSDN->getAPIntValue() << '>';
} else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
- cerr << "<" << CSDN->getValueAPF().convertToFloat() << ">";
+ cerr << '<' << CSDN->getValueAPF().convertToFloat() << '>';
else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
- cerr << "<" << CSDN->getValueAPF().convertToDouble() << ">";
+ cerr << '<' << CSDN->getValueAPF().convertToDouble() << '>';
else {
cerr << "<APFloat(";
CSDN->getValueAPF().convertToAPInt().dump();
} else if (const GlobalAddressSDNode *GADN =
dyn_cast<GlobalAddressSDNode>(this)) {
int offset = GADN->getOffset();
- cerr << "<";
- WriteAsOperand(*cerr.stream(), GADN->getGlobal()) << ">";
+ cerr << '<';
+ WriteAsOperand(*cerr.stream(), GADN->getGlobal());
+ cerr << '>';
if (offset > 0)
cerr << " + " << offset;
else
void SelectionDAG::dump() const {
cerr << "SelectionDAG has " << AllNodes.size() << " nodes:";
- std::vector<const SDNode*> Nodes;
- for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
- I != E; ++I)
- Nodes.push_back(I);
- std::sort(Nodes.begin(), Nodes.end());
-
- for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
- if (!Nodes[i]->hasOneUse() && Nodes[i] != getRoot().Val)
- DumpNodes(Nodes[i], 2, this);
+ for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
+ I != E; ++I) {
+ const SDNode *N = I;
+ if (!N->hasOneUse() && N != getRoot().Val)
+ DumpNodes(N, 2, this);
}
if (getRoot().Val) DumpNodes(getRoot().Val, 2, this);
projects / oota-llvm.git / blobdiff