#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
-#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
bool ISD::isBuildVectorAllOnes(const SDNode *N) {
// Look through a bit convert.
if (N->getOpcode() == ISD::BIT_CONVERT)
- N = N->getOperand(0).Val;
+ N = N->getOperand(0).getNode();
if (N->getOpcode() != ISD::BUILD_VECTOR) return false;
// 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;
bool ISD::isBuildVectorAllZeros(const SDNode *N) {
// Look through a bit convert.
if (N->getOpcode() == ISD::BIT_CONVERT)
- N = N->getOperand(0).Val;
+ N = N->getOperand(0).getNode();
if (N->getOpcode() != ISD::BUILD_VECTOR) 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::LABEL or TargetInstrInfo::LABEL node and third operand
-/// is 0).
+/// label (i.e. ISD::DBG_LABEL or TargetInstrInfo::DBG_LABEL node).
bool ISD::isDebugLabel(const SDNode *N) {
- SDOperand Zero;
- if (N->getOpcode() == ISD::LABEL)
- Zero = N->getOperand(2);
- else if (N->isTargetOpcode() &&
- N->getTargetOpcode() == TargetInstrInfo::LABEL)
- // Chain moved to last operand.
- Zero = N->getOperand(1);
- else
- return false;
- return isa<ConstantSDNode>(Zero) && cast<ConstantSDNode>(Zero)->isNullValue();
+ SDValue Zero;
+ if (N->getOpcode() == ISD::DBG_LABEL)
+ return true;
+ if (N->isMachineOpcode() &&
+ N->getMachineOpcode() == TargetInstrInfo::DBG_LABEL)
+ return true;
+ return false;
}
/// getSetCCSwappedOperands - Return the operation corresponding to (Y op X)
}
const TargetMachine &SelectionDAG::getTarget() const {
- return TLI.getTargetMachine();
+ return MF->getTarget();
}
//===----------------------------------------------------------------------===//
/// AddNodeIDOperands - Various routines for adding operands to the NodeID data.
///
static void AddNodeIDOperands(FoldingSetNodeID &ID,
- SDOperandPtr Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
+ for (; NumOps; --NumOps, ++Ops) {
+ ID.AddPointer(Ops->getNode());
+ ID.AddInteger(Ops->getResNo());
+ }
+}
+
+/// AddNodeIDOperands - Various routines for adding operands to the NodeID data.
+///
+static void AddNodeIDOperands(FoldingSetNodeID &ID,
+ const SDUse *Ops, unsigned NumOps) {
for (; NumOps; --NumOps, ++Ops) {
- ID.AddPointer(Ops->Val);
- ID.AddInteger(Ops->ResNo);
+ ID.AddPointer(Ops->getVal());
+ ID.AddInteger(Ops->getSDValue().getResNo());
}
}
static void AddNodeIDNode(FoldingSetNodeID &ID,
unsigned short OpC, SDVTList VTList,
- SDOperandPtr 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;
case ISD::Register:
ID.AddInteger(cast<RegisterSDNode>(N)->getReg());
break;
+ case ISD::DBG_STOPPOINT: {
+ const DbgStopPointSDNode *DSP = cast<DbgStopPointSDNode>(N);
+ ID.AddInteger(DSP->getLine());
+ ID.AddInteger(DSP->getColumn());
+ ID.AddPointer(DSP->getCompileUnit());
+ 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_ADD:
- case ISD::ATOMIC_SWAP:
- case ISD::ATOMIC_LOAD_SUB:
- case ISD::ATOMIC_LOAD_AND:
- case ISD::ATOMIC_LOAD_OR:
- case ISD::ATOMIC_LOAD_XOR:
- case ISD::ATOMIC_LOAD_NAND:
- case ISD::ATOMIC_LOAD_MIN:
- 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());
+ case ISD::ATOMIC_CMP_SWAP_8:
+ case ISD::ATOMIC_SWAP_8:
+ case ISD::ATOMIC_LOAD_ADD_8:
+ case ISD::ATOMIC_LOAD_SUB_8:
+ case ISD::ATOMIC_LOAD_AND_8:
+ case ISD::ATOMIC_LOAD_OR_8:
+ case ISD::ATOMIC_LOAD_XOR_8:
+ case ISD::ATOMIC_LOAD_NAND_8:
+ case ISD::ATOMIC_LOAD_MIN_8:
+ case ISD::ATOMIC_LOAD_MAX_8:
+ case ISD::ATOMIC_LOAD_UMIN_8:
+ case ISD::ATOMIC_LOAD_UMAX_8:
+ case ISD::ATOMIC_CMP_SWAP_16:
+ case ISD::ATOMIC_SWAP_16:
+ case ISD::ATOMIC_LOAD_ADD_16:
+ case ISD::ATOMIC_LOAD_SUB_16:
+ case ISD::ATOMIC_LOAD_AND_16:
+ case ISD::ATOMIC_LOAD_OR_16:
+ case ISD::ATOMIC_LOAD_XOR_16:
+ case ISD::ATOMIC_LOAD_NAND_16:
+ case ISD::ATOMIC_LOAD_MIN_16:
+ case ISD::ATOMIC_LOAD_MAX_16:
+ case ISD::ATOMIC_LOAD_UMIN_16:
+ case ISD::ATOMIC_LOAD_UMAX_16:
+ case ISD::ATOMIC_CMP_SWAP_32:
+ case ISD::ATOMIC_SWAP_32:
+ case ISD::ATOMIC_LOAD_ADD_32:
+ case ISD::ATOMIC_LOAD_SUB_32:
+ case ISD::ATOMIC_LOAD_AND_32:
+ case ISD::ATOMIC_LOAD_OR_32:
+ case ISD::ATOMIC_LOAD_XOR_32:
+ case ISD::ATOMIC_LOAD_NAND_32:
+ case ISD::ATOMIC_LOAD_MIN_32:
+ case ISD::ATOMIC_LOAD_MAX_32:
+ case ISD::ATOMIC_LOAD_UMIN_32:
+ case ISD::ATOMIC_LOAD_UMAX_32:
+ case ISD::ATOMIC_CMP_SWAP_64:
+ case ISD::ATOMIC_SWAP_64:
+ case ISD::ATOMIC_LOAD_ADD_64:
+ case ISD::ATOMIC_LOAD_SUB_64:
+ case ISD::ATOMIC_LOAD_AND_64:
+ case ISD::ATOMIC_LOAD_OR_64:
+ case ISD::ATOMIC_LOAD_XOR_64:
+ case ISD::ATOMIC_LOAD_NAND_64:
+ case ISD::ATOMIC_LOAD_MIN_64:
+ case ISD::ATOMIC_LOAD_MAX_64:
+ case ISD::ATOMIC_LOAD_UMIN_64:
+ case ISD::ATOMIC_LOAD_UMAX_64: {
+ 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
//===----------------------------------------------------------------------===//
if (I->use_empty())
DeadNodes.push_back(I);
- // Process the worklist, deleting the nodes and adding their uses to the
- // worklist.
- while (!DeadNodes.empty()) {
- SDNode *N = DeadNodes.back();
- DeadNodes.pop_back();
-
- // Take the node out of the appropriate CSE map.
- RemoveNodeFromCSEMaps(N);
-
- // Next, brutally remove the operand list. This is safe to do, as there are
- // no cycles in the graph.
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
- SDNode *Operand = I->getVal();
- Operand->removeUser(std::distance(N->op_begin(), I), N);
-
- // Now that we removed this operand, see if there are no uses of it left.
- if (Operand->use_empty())
- DeadNodes.push_back(Operand);
- }
- if (N->OperandsNeedDelete) {
- delete[] N->OperandList;
- }
- N->OperandList = 0;
- N->NumOperands = 0;
-
- // Finally, remove N itself.
- AllNodes.erase(N);
- }
+ RemoveDeadNodes(DeadNodes);
// If the root changed (e.g. it was a dead load, update the root).
setRoot(Dummy.getValue());
}
-void SelectionDAG::RemoveDeadNode(SDNode *N, DAGUpdateListener *UpdateListener){
- SmallVector<SDNode*, 16> DeadNodes;
- DeadNodes.push_back(N);
+/// RemoveDeadNodes - This method deletes the unreachable nodes in the
+/// given list, and any nodes that become unreachable as a result.
+void SelectionDAG::RemoveDeadNodes(SmallVectorImpl<SDNode *> &DeadNodes,
+ DAGUpdateListener *UpdateListener) {
// Process the worklist, deleting the nodes and adding their uses to the
// worklist.
N->NumOperands = 0;
// Finally, remove N itself.
- AllNodes.erase(N);
+ NodeAllocator.Deallocate(AllNodes.remove(N));
}
}
+void SelectionDAG::RemoveDeadNode(SDNode *N, DAGUpdateListener *UpdateListener){
+ SmallVector<SDNode*, 16> DeadNodes(1, N);
+ RemoveDeadNodes(DeadNodes, UpdateListener);
+}
+
void SelectionDAG::DeleteNode(SDNode *N) {
assert(N->use_empty() && "Cannot delete a node that is not dead!");
void SelectionDAG::DeleteNodeNotInCSEMaps(SDNode *N) {
- // Remove it from the AllNodes list.
- AllNodes.remove(N);
-
// Drop all of the operands and decrement used nodes use counts.
for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
I->getVal()->removeUser(std::distance(N->op_begin(), I), N);
- if (N->OperandsNeedDelete) {
+ if (N->OperandsNeedDelete)
delete[] N->OperandList;
- }
- N->OperandList = 0;
- N->NumOperands = 0;
- delete N;
+ assert(N != AllNodes.begin());
+ NodeAllocator.Deallocate(AllNodes.remove(N));
}
/// RemoveNodeFromCSEMaps - Take the specified node out of the CSE map that
void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
bool Erased = false;
switch (N->getOpcode()) {
+ case ISD::EntryToken:
+ assert(0 && "EntryToken should not be in CSEMaps!");
+ return;
case ISD::HANDLENODE: return; // noop.
- case ISD::STRING:
- Erased = StringNodes.erase(cast<StringSDNode>(N)->getValue());
- break;
case ISD::CONDCODE:
assert(CondCodeNodes[cast<CondCodeSDNode>(N)->get()] &&
"Cond code doesn't exist!");
// 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,
- SDOperandPtr 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(TargetLowering &tli, FunctionLoweringInfo &fli)
+ : TLI(tli), FLI(fli),
+ EntryNode(ISD::EntryToken, getVTList(MVT::Other)),
+ Root(getEntryNode()) {
+ AllNodes.push_back(&EntryNode);
+}
+
+void SelectionDAG::init(MachineFunction &mf, MachineModuleInfo *mmi) {
+ MF = &mf;
+ MMI = mmi;
+}
SelectionDAG::~SelectionDAG() {
+ allnodes_clear();
+}
+
+void SelectionDAG::allnodes_clear() {
+ assert(&*AllNodes.begin() == &EntryNode);
+ AllNodes.remove(AllNodes.begin());
while (!AllNodes.empty()) {
- SDNode *N = AllNodes.begin();
+ SDNode *N = AllNodes.remove(AllNodes.begin());
N->SetNextInBucket(0);
- if (N->OperandsNeedDelete) {
+ if (N->OperandsNeedDelete)
delete [] N->OperandList;
- }
- N->OperandList = 0;
- N->NumOperands = 0;
- AllNodes.pop_front();
+ NodeAllocator.Deallocate(N);
}
}
-SDOperand SelectionDAG::getZeroExtendInReg(SDOperand Op, MVT VT) {
+void SelectionDAG::clear() {
+ allnodes_clear();
+ OperandAllocator.Reset();
+ CSEMap.clear();
+
+ ExtendedValueTypeNodes.clear();
+ ExternalSymbols.clear();
+ TargetExternalSymbols.clear();
+ std::fill(CondCodeNodes.begin(), CondCodeNodes.end(),
+ static_cast<CondCodeSDNode*>(0));
+ std::fill(ValueTypeNodes.begin(), ValueTypeNodes.end(),
+ static_cast<SDNode*>(0));
+
+ EntryNode.Uses = 0;
+ AllNodes.push_back(&EntryNode);
+ Root = getEntryNode();
+}
+
+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::getString(const std::string &Val) {
- StringSDNode *&N = StringNodes[Val];
- if (!N) {
- N = new StringSDNode(Val);
- AllNodes.push_back(N);
- }
- return SDOperand(N, 0);
-}
-
-SDOperand SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
- MVT EltVT =
- VT.isVector() ? VT.getVectorElementType() : VT;
-
+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;
-
+ MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
assert(Val.getBitWidth() == EltVT.getSizeInBits() &&
"APInt size does not match type size!");
unsigned Opc = isT ? ISD::TargetConstant : ISD::Constant;
FoldingSetNodeID ID;
- AddNodeIDNode(ID, Opc, getVTList(EltVT), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);
ID.Add(Val);
void *IP = 0;
SDNode *N = NULL;
if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
if (!VT.isVector())
- return SDOperand(N, 0);
+ return SDValue(N, 0);
if (!N) {
- N = new ConstantSDNode(isT, Val, EltVT);
+ 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 =
// we don't have issues with SNANs.
unsigned Opc = isTarget ? ISD::TargetConstantFP : ISD::ConstantFP;
FoldingSetNodeID ID;
- AddNodeIDNode(ID, Opc, getVTList(EltVT), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);
ID.Add(V);
void *IP = 0;
SDNode *N = NULL;
if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
if (!VT.isVector())
- return SDOperand(N, 0);
+ return SDValue(N, 0);
if (!N) {
- N = new ConstantFPSDNode(isTarget, V, EltVT);
+ 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);
if (!GVar) {
// If GV is an alias then use the aliasee for determining thread-localness.
if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
- GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal());
+ GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal(false));
}
if (GVar && GVar->isThreadLocal())
Opc = isTargetGA ? ISD::TargetGlobalAddress : ISD::GlobalAddress;
FoldingSetNodeID ID;
- AddNodeIDNode(ID, Opc, getVTList(VT), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddPointer(GV);
ID.AddInteger(Offset);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = new GlobalAddressSDNode(isTargetGA, GV, VT, Offset);
+ 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), (SDOperand*)0, 0);
+ 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 = new FrameIndexSDNode(FI, VT, isTarget);
+ 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), (SDOperand*)0, 0);
+ 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 = new JumpTableSDNode(JTI, VT, isTarget);
+ 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), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddInteger(Alignment);
ID.AddInteger(Offset);
ID.AddPointer(C);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = new ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
+ 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), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddInteger(Alignment);
ID.AddInteger(Offset);
C->AddSelectionDAGCSEId(ID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = new ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
+ 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), (SDOperand*)0, 0);
+ 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 = new BasicBlockSDNode(MBB);
+ 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), (SDOperand*)0, 0);
+ 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 = new ARG_FLAGSSDNode(Flags);
+ 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 = new VTSDNode(VT);
+ 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 = new ExternalSymbolSDNode(false, Sym, VT);
+ 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 = new ExternalSymbolSDNode(true, Sym, VT);
+ 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) {
- CondCodeNodes[Cond] = new CondCodeSDNode(Cond);
- AllNodes.push_back(CondCodeNodes[Cond]);
+ 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), (SDOperand*)0, 0);
+ 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 = new RegisterSDNode(RegNo, VT);
+ 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::getSrcValue(const Value *V) {
+SDValue SelectionDAG::getDbgStopPoint(SDValue Root,
+ unsigned Line, unsigned Col,
+ const CompileUnitDesc *CU) {
+ SDNode *N = NodeAllocator.Allocate<DbgStopPointSDNode>();
+ new (N) DbgStopPointSDNode(Root, Line, Col, CU);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getLabel(unsigned Opcode,
+ SDValue Root,
+ unsigned LabelID) {
+ FoldingSetNodeID ID;
+ 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 SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LabelSDNode>();
+ new (N) LabelSDNode(Opcode, Root, LabelID);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getSrcValue(const Value *V) {
assert((!V || isa<PointerType>(V->getType())) &&
"SrcValue is not a pointer?");
FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::SRCVALUE, getVTList(MVT::Other), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, ISD::SRCVALUE, getVTList(MVT::Other), 0, 0);
ID.AddPointer(V);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
- SDNode *N = new SrcValueSDNode(V);
+ 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), (SDOperand*)0, 0);
- ID.AddPointer(v);
- ID.AddInteger(MO.getFlags());
- ID.AddInteger(MO.getOffset());
- ID.AddInteger(MO.getSize());
- ID.AddInteger(MO.getAlignment());
+ AddNodeIDNode(ID, ISD::MEMOPERAND, getVTList(MVT::Other), 0, 0);
+ MO.Profile(ID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
- SDNode *N = new MemOperandSDNode(MO);
+ 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) {
+SDValue SelectionDAG::CreateStackTemporary(MVT VT, unsigned minAlign) {
MachineFrameInfo *FrameInfo = getMachineFunction().getFrameInfo();
unsigned ByteSize = VT.getSizeInBits()/8;
const Type *Ty = VT.getTypeForMVT();
- unsigned StackAlign = (unsigned)TLI.getTargetData()->getPrefTypeAlignment(Ty);
+ unsigned StackAlign =
+ std::max((unsigned)TLI.getTargetData()->getPrefTypeAlignment(Ty), minAlign);
+
int FrameIdx = FrameInfo->CreateStackObject(ByteSize, StackAlign);
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;
break;
}
- if (ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val)) {
+ if (ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode())) {
const APInt &C2 = N2C->getAPIntValue();
- if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val)) {
+ if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode())) {
const APInt &C1 = N1C->getAPIntValue();
switch (Cond) {
}
}
}
- if (ConstantFPSDNode *N1C = dyn_cast<ConstantFPSDNode>(N1.Val)) {
- if (ConstantFPSDNode *N2C = dyn_cast<ConstantFPSDNode>(N2.Val)) {
+ if (ConstantFPSDNode *N1C = dyn_cast<ConstantFPSDNode>(N1.getNode())) {
+ if (ConstantFPSDNode *N2C = dyn_cast<ConstantFPSDNode>(N2.getNode())) {
// 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();
case ISD::SHL:
// (shl X, C1) & C2 == 0 iff (X & C2 >>u C1) == 0
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned ShAmt = SA->getValue();
+ unsigned ShAmt = SA->getZExtValue();
// If the shift count is an invalid immediate, don't do anything.
if (ShAmt >= BitWidth)
case ISD::SRL:
// (ushr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned ShAmt = SA->getValue();
+ unsigned ShAmt = SA->getZExtValue();
// If the shift count is an invalid immediate, don't do anything.
if (ShAmt >= BitWidth)
return;
case ISD::SRA:
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned ShAmt = SA->getValue();
+ unsigned ShAmt = SA->getZExtValue();
// If the shift count is an invalid immediate, don't do anything.
if (ShAmt >= BitWidth)
return;
}
case ISD::LOAD: {
- if (ISD::isZEXTLoad(Op.Val)) {
+ if (ISD::isZEXTLoad(Op.getNode())) {
LoadSDNode *LD = cast<LoadSDNode>(Op);
MVT VT = LD->getMemoryVT();
unsigned MemBits = VT.getSizeInBits();
}
case ISD::SREM:
if (ConstantSDNode *Rem = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- APInt RA = Rem->getAPIntValue();
+ const APInt &RA = Rem->getAPIntValue();
if (RA.isPowerOf2() || (-RA).isPowerOf2()) {
APInt LowBits = RA.isStrictlyPositive() ? (RA - 1) : ~RA;
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?");
}
return;
case ISD::UREM: {
if (ConstantSDNode *Rem = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- APInt RA = Rem->getAPIntValue();
+ const APInt &RA = Rem->getAPIntValue();
if (RA.isPowerOf2()) {
APInt LowBits = (RA - 1);
APInt Mask2 = LowBits & Mask;
/// 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();
Tmp = ComputeNumSignBits(Op.getOperand(0), Depth+1);
// SRA X, C -> adds C sign bits.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- Tmp += C->getValue();
+ Tmp += C->getZExtValue();
if (Tmp > VTBits) Tmp = VTBits;
}
return Tmp;
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
// shl destroys sign bits.
Tmp = ComputeNumSignBits(Op.getOperand(0), Depth+1);
- if (C->getValue() >= VTBits || // Bad shift.
- C->getValue() >= Tmp) break; // Shifted all sign bits out.
- return Tmp - C->getValue();
+ if (C->getZExtValue() >= VTBits || // Bad shift.
+ C->getZExtValue() >= Tmp) break; // Shifted all sign bits out.
+ return Tmp - C->getZExtValue();
}
break;
case ISD::AND:
case ISD::ROTL:
case ISD::ROTR:
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned RotAmt = C->getValue() & (VTBits-1);
+ unsigned RotAmt = C->getZExtValue() & (VTBits-1);
// Handle rotate right by N like a rotate left by 32-N.
if (Op.getOpcode() == ISD::ROTR)
}
-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 Index = cast<ConstantSDNode>(Idx)->getZExtValue();
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)
if (V.getOpcode() == ISD::BUILD_VECTOR)
return V.getOperand(Index);
if (V.getOpcode() == ISD::VECTOR_SHUFFLE)
- return getShuffleScalarElt(V.Val, Index);
- return SDOperand();
+ return getShuffleScalarElt(V.getNode(), Index);
+ 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), (SDOperand*)0, 0);
+ AddNodeIDNode(ID, Opcode, getVTList(VT), 0, 0);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = new SDNode(Opcode, SDNode::getSDVTList(VT));
+ 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)) {
+ if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Operand.getNode())) {
const APInt &Val = C->getAPIntValue();
unsigned BitWidth = VT.getSizeInBits();
switch (Opcode) {
}
// Constant fold unary operations with a floating point constant operand.
- if (ConstantFPSDNode *C = dyn_cast<ConstantFPSDNode>(Operand.Val)) {
+ if (ConstantFPSDNode *C = dyn_cast<ConstantFPSDNode>(Operand.getNode())) {
APFloat V = C->getValueAPF(); // make copy
if (VT != MVT::ppcf128 && Operand.getValueType() != MVT::ppcf128) {
switch (Opcode) {
}
}
- unsigned OpOpcode = Operand.Val->getOpcode();
+ unsigned OpOpcode = Operand.getNode()->getOpcode();
switch (Opcode) {
case ISD::TokenFactor:
- case ISD::MERGE_VALUES:
- return Operand; // Factor or merge 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() &&
assert(Operand.getValueType().bitsLT(VT)
&& "Invalid sext node, dst < src!");
if (OpOpcode == ISD::SIGN_EXTEND || OpOpcode == ISD::ZERO_EXTEND)
- return getNode(OpOpcode, VT, Operand.Val->getOperand(0));
+ return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
break;
case ISD::ZERO_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsLT(VT)
&& "Invalid zext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND) // (zext (zext x)) -> (zext x)
- return getNode(ISD::ZERO_EXTEND, VT, Operand.Val->getOperand(0));
+ return getNode(ISD::ZERO_EXTEND, VT, Operand.getNode()->getOperand(0));
break;
case ISD::ANY_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
&& "Invalid anyext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND)
// (ext (zext x)) -> (zext x) and (ext (sext x)) -> (sext x)
- return getNode(OpOpcode, VT, Operand.Val->getOperand(0));
+ return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
break;
case ISD::TRUNCATE:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsGT(VT)
&& "Invalid truncate node, src < dst!");
if (OpOpcode == ISD::TRUNCATE)
- return getNode(ISD::TRUNCATE, VT, Operand.Val->getOperand(0));
+ return getNode(ISD::TRUNCATE, VT, Operand.getNode()->getOperand(0));
else if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||
OpOpcode == ISD::ANY_EXTEND) {
// If the source is smaller than the dest, we still need an extend.
- if (Operand.Val->getOperand(0).getValueType().bitsLT(VT))
- return getNode(OpOpcode, VT, Operand.Val->getOperand(0));
- else if (Operand.Val->getOperand(0).getValueType().bitsGT(VT))
- return getNode(ISD::TRUNCATE, VT, Operand.Val->getOperand(0));
+ if (Operand.getNode()->getOperand(0).getValueType().bitsLT(VT))
+ return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
+ else if (Operand.getNode()->getOperand(0).getValueType().bitsGT(VT))
+ return getNode(ISD::TRUNCATE, VT, Operand.getNode()->getOperand(0));
else
- return Operand.Val->getOperand(0);
+ return Operand.getNode()->getOperand(0);
}
break;
case ISD::BIT_CONVERT:
break;
case ISD::FNEG:
if (OpOpcode == ISD::FSUB) // -(X-Y) -> (Y-X)
- return getNode(ISD::FSUB, VT, Operand.Val->getOperand(1),
- Operand.Val->getOperand(0));
+ return getNode(ISD::FSUB, VT, Operand.getNode()->getOperand(1),
+ Operand.getNode()->getOperand(0));
if (OpOpcode == ISD::FNEG) // --X -> X
- return Operand.Val->getOperand(0);
+ return Operand.getNode()->getOperand(0);
break;
case ISD::FABS:
if (OpOpcode == ISD::FNEG) // abs(-X) -> abs(X)
- return getNode(ISD::FABS, VT, Operand.Val->getOperand(0));
+ return getNode(ISD::FABS, VT, Operand.getNode()->getOperand(0));
break;
}
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 = new UnarySDNode(Opcode, VTs, Operand);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, VTs, Operand);
CSEMap.InsertNode(N, IP);
} else {
- N = new UnarySDNode(Opcode, VTs, Operand);
+ 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) {
- ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
- ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2) {
+ ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
+ ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
switch (Opcode) {
default: break;
case ISD::TokenFactor:
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.getNode()->op_begin(), N1.getNode()->op_end());
+ Elts.insert(Elts.end(), N2.getNode()->op_begin(), N2.getNode()->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!");
assert(VT == N1.getValueType() &&
"Shift operators return type must be the same as their first arg");
assert(VT.isInteger() && N2.getValueType().isInteger() &&
- VT != MVT::i1 && "Shifts only work on integers");
+ "Shifts only work on integers");
+
+ // Always fold shifts of i1 values so the code generator doesn't need to
+ // handle them. Since we know the size of the shift has to be less than the
+ // size of the value, the shift/rotate count is guaranteed to be zero.
+ if (VT == MVT::i1)
+ return N1;
break;
case ISD::FP_ROUND_INREG: {
MVT EVT = cast<VTSDNode>(N2)->getVT();
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();
return getNode(ISD::EXTRACT_VECTOR_ELT, VT,
- N1.getOperand(N2C->getValue() / Factor),
- getConstant(N2C->getValue() % Factor, N2.getValueType()));
+ N1.getOperand(N2C->getZExtValue() / Factor),
+ getConstant(N2C->getZExtValue() % Factor,
+ N2.getValueType()));
}
// EXTRACT_VECTOR_ELT of BUILD_VECTOR is often formed while lowering is
// expanding large vector constants.
- if (N1.getOpcode() == ISD::BUILD_VECTOR)
- return N1.getOperand(N2C->getValue());
+ if (N2C && N1.getOpcode() == ISD::BUILD_VECTOR)
+ return N1.getOperand(N2C->getZExtValue());
// 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!");
+ assert(N2C && (unsigned)N2C->getZExtValue() < 2 && "Bad EXTRACT_ELEMENT!");
assert(!N1.getValueType().isVector() && !VT.isVector() &&
(N1.getValueType().isInteger() == VT.isInteger()) &&
"Wrong types for EXTRACT_ELEMENT!");
// 64-bit integers into 32-bit parts. Instead of building the extract of
// the BUILD_PAIR, only to have legalize rip it apart, just do it now.
if (N1.getOpcode() == ISD::BUILD_PAIR)
- return N1.getOperand(N2C->getValue());
+ return N1.getOperand(N2C->getZExtValue());
// EXTRACT_ELEMENT of a constant int is also very common.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N1)) {
unsigned ElementSize = VT.getSizeInBits();
- unsigned Shift = ElementSize * N2C->getValue();
+ unsigned Shift = ElementSize * N2C->getZExtValue();
APInt ShiftedVal = C->getAPIntValue().lshr(Shift);
return getConstant(ShiftedVal.trunc(ElementSize), VT);
}
if (N1C) {
if (N2C) {
- APInt C1 = N1C->getAPIntValue(), C2 = N2C->getAPIntValue();
+ const APInt &C1 = N1C->getAPIntValue(), &C2 = N2C->getAPIntValue();
switch (Opcode) {
case ISD::ADD: return getConstant(C1 + C2, VT);
case ISD::SUB: return getConstant(C1 - C2, VT);
}
// Constant fold FP operations.
- ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1.Val);
- ConstantFPSDNode *N2CFP = dyn_cast<ConstantFPSDNode>(N2.Val);
+ ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1.getNode());
+ ConstantFPSDNode *N2CFP = dyn_cast<ConstantFPSDNode>(N2.getNode());
if (N1CFP) {
if (!N2CFP && isCommutativeBinOp(Opcode)) {
// Cannonicalize constant to RHS if commutative
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 = new BinarySDNode(Opcode, VTs, N1, N2);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, VTs, N1, N2);
CSEMap.InsertNode(N, IP);
} else {
- N = new BinarySDNode(Opcode, VTs, N1, N2);
+ 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);
+ ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
+ ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
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.getNode()->op_begin(), N1.getNode()->op_end());
+ Elts.insert(Elts.end(), N2.getNode()->op_begin(), N2.getNode()->op_end());
+ Elts.insert(Elts.end(), N3.getNode()->op_begin(), N3.getNode()->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());
- if (Simp.Val) return Simp;
+ SDValue Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
+ if (Simp.getNode()) return Simp;
break;
}
case ISD::SELECT:
if (N1C) {
- if (N1C->getValue())
+ if (N1C->getZExtValue())
return N2; // select true, X, Y -> X
else
return N3; // select false, X, Y -> Y
break;
case ISD::BRCOND:
if (N2C) {
- if (N2C->getValue()) // Unconditional branch
+ if (N2C->getZExtValue()) // Unconditional branch
return getNode(ISD::BR, MVT::Other, N1, N3);
else
return N1; // Never-taken branch
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 = new TernarySDNode(Opcode, VTs, N1, N2, N3);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
CSEMap.InsertNode(N, IP);
} else {
- N = new TernarySDNode(Opcode, VTs, N1, N2, N3);
+ 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)) {
- APInt Val = APInt(NumBits, C->getValue() & 255);
+ APInt Val = APInt(NumBits, C->getZExtValue() & 255);
unsigned Shift = 8;
for (unsigned i = NumBits; i > 8; i >>= 1) {
Val = (Val << Shift) | Val;
/// 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.
+ if (Str.empty()) {
+ if (VT.isInteger())
+ return DAG.getConstant(0, VT);
+ unsigned NumElts = VT.getVectorNumElements();
+ MVT EltVT = (VT.getVectorElementType() == MVT::f32) ? MVT::i32 : MVT::i64;
+ return DAG.getNode(ISD::BIT_CONVERT, VT,
+ DAG.getConstant(0, MVT::getVectorVT(EltVT, NumElts)));
+ }
+
assert(!VT.isVector() && "Can't handle vector type here!");
unsigned NumBits = VT.getSizeInBits();
unsigned MSB = NumBits / 8;
/// 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,
- uint64_t &SrcOff) {
+static bool isMemSrcFromString(SDValue Src, std::string &Str) {
unsigned SrcDelta = 0;
GlobalAddressSDNode *G = NULL;
if (Src.getOpcode() == ISD::GlobalAddress)
Src.getOperand(0).getOpcode() == ISD::GlobalAddress &&
Src.getOperand(1).getOpcode() == ISD::Constant) {
G = cast<GlobalAddressSDNode>(Src.getOperand(0));
- SrcDelta = cast<ConstantSDNode>(Src.getOperand(1))->getValue();
+ SrcDelta = cast<ConstantSDNode>(Src.getOperand(1))->getZExtValue();
}
if (!G)
return false;
GlobalVariable *GV = dyn_cast<GlobalVariable>(G->getGlobal());
- if (GV && GetConstantStringInfo(GV, Str)) {
- SrcOff += SrcDelta;
+ if (GV && GetConstantStringInfo(GV, Str, SrcDelta, false))
return true;
- }
return false;
}
/// 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,
const TargetLowering &TLI) {
- bool AllowUnalign = TLI.allowsUnalignedMemoryAccesses();
-
- std::string Str;
- uint64_t SrcOff = 0;
- bool isSrcStr = isMemSrcFromString(Src, Str, SrcOff);
+ isSrcStr = isMemSrcFromString(Src, Str);
bool isSrcConst = isa<ConstantSDNode>(Src);
+ bool AllowUnalign = TLI.allowsUnalignedMemoryAccesses();
MVT VT= TLI.getOptimalMemOpType(Size, Align, isSrcConst, isSrcStr);
if (VT != MVT::iAny) {
unsigned NewAlign = (unsigned)
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){
if (!AlwaysInline)
Limit = TLI.getMaxStoresPerMemcpy();
unsigned DstAlign = Align; // Destination alignment can change.
+ std::string Str;
+ bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, Limit, Size, DstAlign,
- DAG, TLI))
- return SDOperand();
+ Str, CopyFromStr, DAG, TLI))
+ return SDValue();
- std::string Str;
- uint64_t SrcOff = 0, DstOff = 0;
- bool CopyFromStr = isMemSrcFromString(Src, Str, SrcOff);
- SmallVector<SDOperand, 8> OutChains;
+ bool isZeroStr = CopyFromStr && Str.empty();
+ 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 && !VT.isVector()) {
+ if (CopyFromStr && (isZeroStr || !VT.isVector())) {
// It's unlikely a store of a vector immediate can be done in a single
// instruction. It would require a load from a constantpool first.
- // FIXME: Handle cases where store of vector immediate is done in a
- // single instruction.
+ // We also handle store a vector with all zero's.
+ // FIXME: Handle other cases where store of vector immediate is done in
+ // a single instruction.
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){
if (!AlwaysInline)
Limit = TLI.getMaxStoresPerMemmove();
unsigned DstAlign = Align; // Destination alignment can change.
+ std::string Str;
+ bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, Limit, Size, DstAlign,
- DAG, TLI))
- return SDOperand();
+ Str, CopyFromStr, DAG, TLI))
+ 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();
// Expand memset to a series of load/store ops if the size operand
// falls below a certain threshold.
std::vector<MVT> MemOps;
+ std::string Str;
+ bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, TLI.getMaxStoresPerMemset(),
- Size, Align, DAG, TLI))
- return SDOperand();
+ Size, Align, Str, CopyFromStr, DAG, TLI))
+ 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 =
- getMemcpyLoadsAndStores(*this, Chain, Dst, Src, ConstantSize->getValue(),
+ SDValue Result =
+ getMemcpyLoadsAndStores(*this, Chain, Dst, Src,
+ ConstantSize->getZExtValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
}
// 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);
- if (Result.Val)
+ if (Result.getNode())
return Result;
// If we really need inline code and the target declined to provide it,
if (AlwaysInline) {
assert(ConstantSize && "AlwaysInline requires a constant size!");
return getMemcpyLoadsAndStores(*this, Chain, Dst, Src,
- ConstantSize->getValue(), Align, true,
+ ConstantSize->getZExtValue(), Align, true,
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 =
- getMemmoveLoadsAndStores(*this, Chain, Dst, Src, ConstantSize->getValue(),
+ SDValue Result =
+ getMemmoveLoadsAndStores(*this, Chain, Dst, Src,
+ ConstantSize->getZExtValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
}
// 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)
+ if (Result.getNode())
return Result;
// Emit a library call.
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 =
- getMemsetStores(*this, Chain, Dst, Src, ConstantSize->getValue(), Align,
- DstSV, DstSVOff);
- if (Result.Val)
+ SDValue Result =
+ getMemsetStores(*this, Chain, Dst, Src, ConstantSize->getZExtValue(),
+ Align, DstSV, DstSVOff);
+ if (Result.getNode())
return Result;
}
// 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)
+ if (Result.getNode())
return Result;
// Emit a library call.
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) {
- assert(Opcode == ISD::ATOMIC_CMP_SWAP && "Invalid Atomic Op");
+SDValue SelectionDAG::getAtomic(unsigned Opcode, SDValue Chain,
+ SDValue Ptr, SDValue Cmp,
+ SDValue Swp, const Value* PtrVal,
+ unsigned Alignment) {
+ assert((Opcode == ISD::ATOMIC_CMP_SWAP_8 ||
+ Opcode == ISD::ATOMIC_CMP_SWAP_16 ||
+ Opcode == ISD::ATOMIC_CMP_SWAP_32 ||
+ Opcode == ISD::ATOMIC_CMP_SWAP_64) && "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 = new AtomicSDNode(Opcode, VTs, Chain, Ptr, Cmp, Swp,
- PtrVal, Alignment);
+ 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);
-}
-
-SDOperand SelectionDAG::getAtomic(unsigned Opcode, SDOperand Chain,
- SDOperand Ptr, SDOperand 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_NAND
- || 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);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getAtomic(unsigned Opcode, SDValue Chain,
+ SDValue Ptr, SDValue Val,
+ const Value* PtrVal,
+ unsigned Alignment) {
+ assert((Opcode == ISD::ATOMIC_LOAD_ADD_8 ||
+ Opcode == ISD::ATOMIC_LOAD_SUB_8 ||
+ Opcode == ISD::ATOMIC_LOAD_AND_8 ||
+ Opcode == ISD::ATOMIC_LOAD_OR_8 ||
+ Opcode == ISD::ATOMIC_LOAD_XOR_8 ||
+ Opcode == ISD::ATOMIC_LOAD_NAND_8 ||
+ Opcode == ISD::ATOMIC_LOAD_MIN_8 ||
+ Opcode == ISD::ATOMIC_LOAD_MAX_8 ||
+ Opcode == ISD::ATOMIC_LOAD_UMIN_8 ||
+ Opcode == ISD::ATOMIC_LOAD_UMAX_8 ||
+ Opcode == ISD::ATOMIC_SWAP_8 ||
+ Opcode == ISD::ATOMIC_LOAD_ADD_16 ||
+ Opcode == ISD::ATOMIC_LOAD_SUB_16 ||
+ Opcode == ISD::ATOMIC_LOAD_AND_16 ||
+ Opcode == ISD::ATOMIC_LOAD_OR_16 ||
+ Opcode == ISD::ATOMIC_LOAD_XOR_16 ||
+ Opcode == ISD::ATOMIC_LOAD_NAND_16 ||
+ Opcode == ISD::ATOMIC_LOAD_MIN_16 ||
+ Opcode == ISD::ATOMIC_LOAD_MAX_16 ||
+ Opcode == ISD::ATOMIC_LOAD_UMIN_16 ||
+ Opcode == ISD::ATOMIC_LOAD_UMAX_16 ||
+ Opcode == ISD::ATOMIC_SWAP_16 ||
+ Opcode == ISD::ATOMIC_LOAD_ADD_32 ||
+ Opcode == ISD::ATOMIC_LOAD_SUB_32 ||
+ Opcode == ISD::ATOMIC_LOAD_AND_32 ||
+ Opcode == ISD::ATOMIC_LOAD_OR_32 ||
+ Opcode == ISD::ATOMIC_LOAD_XOR_32 ||
+ Opcode == ISD::ATOMIC_LOAD_NAND_32 ||
+ Opcode == ISD::ATOMIC_LOAD_MIN_32 ||
+ Opcode == ISD::ATOMIC_LOAD_MAX_32 ||
+ Opcode == ISD::ATOMIC_LOAD_UMIN_32 ||
+ Opcode == ISD::ATOMIC_LOAD_UMAX_32 ||
+ Opcode == ISD::ATOMIC_SWAP_32 ||
+ Opcode == ISD::ATOMIC_LOAD_ADD_64 ||
+ Opcode == ISD::ATOMIC_LOAD_SUB_64 ||
+ Opcode == ISD::ATOMIC_LOAD_AND_64 ||
+ Opcode == ISD::ATOMIC_LOAD_OR_64 ||
+ Opcode == ISD::ATOMIC_LOAD_XOR_64 ||
+ Opcode == ISD::ATOMIC_LOAD_NAND_64 ||
+ Opcode == ISD::ATOMIC_LOAD_MIN_64 ||
+ Opcode == ISD::ATOMIC_LOAD_MAX_64 ||
+ Opcode == ISD::ATOMIC_LOAD_UMIN_64 ||
+ Opcode == ISD::ATOMIC_LOAD_UMAX_64 ||
+ Opcode == ISD::ATOMIC_SWAP_64) && "Invalid Atomic Op");
+
+ 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 = new AtomicSDNode(Opcode, VTs, Chain, Ptr, Val,
- PtrVal, Alignment);
+ 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);
}
-SDOperand
+/// getMergeValues - Create a MERGE_VALUES node from the given operands.
+/// Allowed to return something different (and simpler) if Simplify is true.
+SDValue SelectionDAG::getMergeValues(const SDValue *Ops, unsigned NumOps,
+ bool Simplify) {
+ if (Simplify && NumOps == 1)
+ return Ops[0];
+
+ SmallVector<MVT, 4> VTs;
+ VTs.reserve(NumOps);
+ for (unsigned i = 0; i < NumOps; ++i)
+ VTs.push_back(Ops[i].getValueType());
+ return getNode(ISD::MERGE_VALUES, getVTList(&VTs[0], NumOps), Ops, NumOps);
+}
+
+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 = new LoadSDNode(Ops, VTs, AM, ExtType, EVT, SV, SVOffset,
- Alignment, isVolatile);
+ 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 = new StoreSDNode(Ops, VTs, ISD::UNINDEXED, false,
- VT, SV, SVOffset, Alignment, isVolatile);
+ 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 = new StoreSDNode(Ops, VTs, ISD::UNINDEXED, true,
- SVT, SV, SVOffset, Alignment, isVolatile);
+ 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 = new StoreSDNode(Ops, VTs, AM,
- ST->isTruncatingStore(), ST->getMemoryVT(),
- ST->getSrcValue(), ST->getSrcValueOffset(),
- ST->getAlignment(), ST->isVolatile());
+ 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,
- SDOperandPtr 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]);
+ 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 SDValue array for use with
+ // the regular getNode logic.
+ SmallVector<SDValue, 8> NewOps(Ops, Ops + NumOps);
+ return getNode(Opcode, VT, &NewOps[0], 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 = new SDNode(Opcode, VTs, Ops, NumOps);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, VTs, Ops, NumOps);
CSEMap.InsertNode(N, IP);
} else {
- N = new SDNode(Opcode, VTs, Ops, NumOps);
+ 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,
- SDOperandPtr 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,
- SDOperandPtr 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,
- SDOperandPtr 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);
- if (NumOps == 1)
- N = new UnarySDNode(Opcode, VTList, Ops[0]);
- else if (NumOps == 2)
- N = new BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
- else if (NumOps == 3)
- N = new TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
- else
- N = new SDNode(Opcode, VTList, Ops, NumOps);
+ return SDValue(E, 0);
+ if (NumOps == 1) {
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, VTList, Ops[0]);
+ } else if (NumOps == 2) {
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
+ } else if (NumOps == 3) {
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
+ } else {
+ N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, VTList, Ops, NumOps);
+ }
CSEMap.InsertNode(N, IP);
} else {
- if (NumOps == 1)
- N = new UnarySDNode(Opcode, VTList, Ops[0]);
- else if (NumOps == 2)
- N = new BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
- else if (NumOps == 3)
- N = new TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
- else
- N = new SDNode(Opcode, VTList, Ops, NumOps);
+ if (NumOps == 1) {
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, VTList, Ops[0]);
+ } else if (NumOps == 2) {
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
+ } else if (NumOps == 3) {
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
+ } else {
+ 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) {
- return getNode(Opcode, VTList, (SDOperand*)0, 0);
+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) {
- SDNode *N = InN.Val;
+SDValue SelectionDAG::UpdateNodeOperands(SDValue InN, SDValue Op) {
+ SDNode *N = InN.getNode();
assert(N->getNumOperands() == 1 && "Update with wrong number of operands");
// Check to see if there is no change.
// 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.getResNo());
- // 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);
N->OperandList[0].getVal()->removeUser(0, N);
N->OperandList[0] = Op;
N->OperandList[0].setUser(N);
- Op.Val->addUser(0, N);
+ Op.getNode()->addUser(0, N);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
return InN;
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, SDOperand Op1, SDOperand Op2) {
- SDNode *N = InN.Val;
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue InN, SDValue Op1, SDValue Op2) {
+ SDNode *N = InN.getNode();
assert(N->getNumOperands() == 2 && "Update with wrong number of operands");
// Check to see if there is no change.
// 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.getResNo());
- // 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);
N->OperandList[0].getVal()->removeUser(0, N);
N->OperandList[0] = Op1;
N->OperandList[0].setUser(N);
- Op1.Val->addUser(0, N);
+ Op1.getNode()->addUser(0, N);
}
if (N->OperandList[1] != Op2) {
N->OperandList[1].getVal()->removeUser(1, N);
N->OperandList[1] = Op2;
N->OperandList[1].setUser(N);
- Op2.Val->addUser(1, N);
+ Op2.getNode()->addUser(1, N);
}
// If this gets put into a CSE map, add it.
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, SDOperandPtr Ops, unsigned NumOps) {
- SDNode *N = InN.Val;
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue InN, const SDValue *Ops, unsigned NumOps) {
+ SDNode *N = InN.getNode();
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.getResNo());
// Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
N->OperandList[i].getVal()->removeUser(i, N);
N->OperandList[i] = Ops[i];
N->OperandList[i].setUser(N);
- Ops[i].Val->addUser(i, N);
+ Ops[i].getNode()->addUser(i, N);
}
}
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,
- SDOperandPtr Ops, unsigned NumOps) {
- NodeType = Opc;
- ValueList = L.VTs;
- NumValues = L.NumVTs;
-
- // Clear the operands list, updating used nodes to remove this from their
- // use list.
+/// DropOperands - Release the operands and set this node to have
+/// zero operands.
+void SDNode::DropOperands() {
+ // 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)
I->getVal()->removeUser(std::distance(op_begin(), I), this);
-
- // 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;
- }
+
+ 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);
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, (SDOperand*)0, 0);
- void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
-
- RemoveNodeFromCSEMaps(N);
-
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, SDOperandPtr(), 0);
-
- CSEMap.InsertNode(N, IP);
- return N;
+ return SelectNodeTo(N, MachineOpc, VTs, 0, 0);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, SDOperand Op1) {
- // If an identical node already exists, use it.
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, SDValue Op1) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1 };
-
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 1);
- void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 1);
- CSEMap.InsertNode(N, IP);
- return N;
+ SDValue Ops[] = { Op1 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 1);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, SDOperand Op1,
- SDOperand Op2) {
- // If an identical node already exists, use it.
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, SDValue Op1,
+ SDValue Op2) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2 };
-
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 2);
- void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
-
- RemoveNodeFromCSEMaps(N);
-
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 2);
-
- CSEMap.InsertNode(N, IP); // Memoize the new node.
- return N;
+ 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) {
- // If an identical node already exists, use it.
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 3);
- void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
-
- RemoveNodeFromCSEMaps(N);
-
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 3);
-
- CSEMap.InsertNode(N, IP); // Memoize the new node.
- return N;
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
}
-SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
- MVT VT, SDOperandPtr Ops,
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT, const SDValue *Ops,
unsigned NumOps) {
- // If an identical node already exists, use it.
SDVTList VTs = getVTList(VT);
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, NumOps);
- void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
-
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, NumOps);
-
- CSEMap.InsertNode(N, IP); // Memoize the new node.
- return N;
+ 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, const SDValue *Ops,
+ unsigned NumOps) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
+}
+
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT1, MVT VT2) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ return SelectNodeTo(N, MachineOpc, VTs, (SDValue *)0, 0);
+}
+
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT1, MVT VT2, MVT VT3,
+ const SDValue *Ops, unsigned NumOps) {
+ SDVTList VTs = getVTList(VT1, VT2, VT3);
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
+}
+
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2) {
+ SDValue Op1) {
SDVTList VTs = getVTList(VT1, VT2);
- FoldingSetNodeID ID;
- SDOperand Ops[] = { Op1, Op2 };
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 2);
- void *IP = 0;
- if (SDNode *ON = CSEMap.FindNodeOrInsertPos(ID, IP))
- return ON;
+ SDValue Ops[] = { Op1 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 1);
+}
- RemoveNodeFromCSEMaps(N);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 2);
- CSEMap.InsertNode(N, IP); // Memoize the new node.
- return N;
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT1, MVT VT2,
+ SDValue Op1, SDValue Op2) {
+ SDVTList VTs = getVTList(VT1, VT2);
+ 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) {
- // If an identical node already exists, use it.
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- FoldingSetNodeID ID;
- AddNodeIDNode(ID, ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 3);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
+}
+
+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 recalculation 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.
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);
- N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc, VTs, Ops, 3);
- CSEMap.InsertNode(N, IP); // Memoize the new node.
+ // 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 the current SelectionDAG iteration, so we can allocate
+ // the operands directly out of a pool with no recycling metadata.
+ N->OperandList = OperandAllocator.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);
+ }
+
+ // Delete any nodes that are still dead after adding the uses for the
+ // new operands.
+ SmallVector<SDNode *, 16> 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);
+
+ 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).getNode();
}
-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).getNode();
}
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).getNode();
}
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).getNode();
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- SDOperandPtr 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).getNode();
}
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).getNode();
}
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).getNode();
}
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).getNode();
}
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).getNode();
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2,
- SDOperandPtr 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).getNode();
}
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).getNode();
}
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).getNode();
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- SDOperandPtr 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).getNode();
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, MVT VT3, MVT VT4,
- SDOperandPtr 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).getNode();
}
SDNode *SelectionDAG::getTargetNode(unsigned Opcode,
- std::vector<MVT> &ResultTys,
- SDOperandPtr 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(),
- Ops, NumOps).Val;
+ return getNode(~Opcode, VTs, ResultTys.size(),
+ Ops, NumOps).getNode();
}
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
SDNode *SelectionDAG::getNodeIfExists(unsigned Opcode, SDVTList VTList,
- SDOperandPtr 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 &&
+ SDNode *From = FromN.getNode();
+ assert(From->getNumValues() == 1 && FromN.getResNo() == 0 &&
"Cannot replace with this method!");
- assert(From != To.Val && "Cannot replace uses of with self");
+ assert(From != To.getNode() && "Cannot replace uses of with self");
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);
From->removeUser(operandNum, U);
*I = To;
I->setUser(U);
- To.Val->addUser(operandNum, U);
+ To.getNode()->addUser(operandNum, U);
}
// Now that we have modified U, add it back to the CSE maps. If it already
///
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);
I != E; ++I, ++operandNum)
if (I->getVal() == From) {
From->removeUser(operandNum, U);
- I->getVal() = To;
+ I->getSDValue().setNode(To);
To->addUser(operandNum, 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,
- SDOperandPtr 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().getResNo()];
From->removeUser(operandNum, U);
*I = ToOp;
I->setUser(U);
- ToOp.Val->addUser(operandNum, U);
+ ToOp.getNode()->addUser(operandNum, U);
}
// Now that we have modified U, add it back to the CSE maps. If it already
}
}
-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
+/// uses of other values produced by From.getVal() 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) {
+ if (From.getNode()->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,
+ // Get all of the users of From.getNode(). 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();
- if (!Users.count(User))
- Users.insert(User);
- }
-
- // 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);
-
+ SmallSetVector<SDNode*, 16> Users(From.getNode()->use_begin(), From.getNode()->use_end());
+
while (!Users.empty()) {
// We know that this user uses some value of From. If it is the right
// value, update it.
// Update all operands that match "From" in case there are multiple uses.
for (; Op != E; ++Op) {
if (*Op == From) {
- From.Val->removeUser(Op-User->op_begin(), User);
+ From.getNode()->removeUser(Op-User->op_begin(), User);
*Op = To;
Op->setUser(User);
- To.Val->addUser(Op-User->op_begin(), User);
+ To.getNode()->addUser(Op-User->op_begin(), 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. 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.getVal() 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].getNode()->use_begin(),
+ E = From[i].getNode()->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].getNode()->removeUser(Op-User->op_begin(), User);
+ *Op = To[i];
+ Op->setUser(User);
+ To[i].getNode()->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
/// of the SDNodes* in assigned order by reference.
unsigned SelectionDAG::AssignTopologicalOrder(std::vector<SDNode*> &TopOrder) {
unsigned DAGSize = AllNodes.size();
- std::vector<unsigned> InDegree(DAGSize);
std::vector<SDNode*> Sources;
- // Use a two pass approach to avoid using a std::map which is slow.
- unsigned Id = 0;
for (allnodes_iterator I = allnodes_begin(),E = allnodes_end(); I != E; ++I){
SDNode *N = I;
- N->setNodeId(Id++);
unsigned Degree = N->use_size();
- InDegree[N->getNodeId()] = Degree;
+ // Temporarily use the Node Id as scratch space for the degree count.
+ N->setNodeId(Degree);
if (Degree == 0)
Sources.push_back(N);
}
TopOrder.clear();
+ TopOrder.reserve(DAGSize);
+ int Id = 0;
while (!Sources.empty()) {
SDNode *N = Sources.back();
Sources.pop_back();
TopOrder.push_back(N);
+ N->setNodeId(Id++);
for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
SDNode *P = I->getVal();
- unsigned Degree = --InDegree[P->getNodeId()];
+ unsigned Degree = P->getNodeId();
+ --Degree;
+ P->setNodeId(Degree);
if (Degree == 0)
Sources.push_back(P);
}
}
- // Second pass, assign the actual topological order as node ids.
- Id = 0;
- for (std::vector<SDNode*>::iterator TI = TopOrder.begin(),TE = TopOrder.end();
- TI != TE; ++TI)
- (*TI)->setNodeId(Id++);
-
return Id;
}
void BinarySDNode::ANCHOR() {}
void TernarySDNode::ANCHOR() {}
void HandleSDNode::ANCHOR() {}
-void StringSDNode::ANCHOR() {}
void ConstantSDNode::ANCHOR() {}
void ConstantFPSDNode::ANCHOR() {}
void GlobalAddressSDNode::ANCHOR() {}
void SrcValueSDNode::ANCHOR() {}
void MemOperandSDNode::ANCHOR() {}
void RegisterSDNode::ANCHOR() {}
+void DbgStopPointSDNode::ANCHOR() {}
+void LabelSDNode::ANCHOR() {}
void ExternalSymbolSDNode::ANCHOR() {}
void CondCodeSDNode::ANCHOR() {}
void ARG_FLAGSSDNode::ANCHOR() {}
void AtomicSDNode::ANCHOR() {}
HandleSDNode::~HandleSDNode() {
- SDVTList VTs = { 0, 0 };
- MorphNodeTo(ISD::HANDLENODE, VTs, SDOperandPtr(), 0); // Drops operand uses.
+ DropOperands();
}
GlobalAddressSDNode::GlobalAddressSDNode(bool isTarget, const GlobalValue *GA,
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);
+ dyn_cast<const FrameIndexSDNode>(getBasePtr().getNode());
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().getResNo() == 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().getResNo() == 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;
return;
for (unsigned i = 0, e = N->getNumOperands(); !found && i != e; ++i) {
- SDNode *Op = N->getOperand(i).Val;
+ SDNode *Op = N->getOperand(i).getNode();
if (Op == P) {
found = true;
return;
uint64_t SDNode::getConstantOperandVal(unsigned Num) const {
assert(Num < NumOperands && "Invalid child # of SDNode!");
- return cast<ConstantSDNode>(OperandList[Num])->getValue();
+ return cast<ConstantSDNode>(OperandList[Num])->getZExtValue();
}
std::string SDNode::getOperationName(const SelectionDAG *G) const {
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";
- case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd";
- case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub";
- case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd";
- case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr";
- case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor";
- case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand";
- case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin";
- case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax";
- case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin";
- case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax";
- case ISD::ATOMIC_SWAP: return "AtomicSWAP";
+ case ISD::ATOMIC_CMP_SWAP_8: return "AtomicCmpSwap8";
+ case ISD::ATOMIC_SWAP_8: return "AtomicSwap8";
+ case ISD::ATOMIC_LOAD_ADD_8: return "AtomicLoadAdd8";
+ case ISD::ATOMIC_LOAD_SUB_8: return "AtomicLoadSub8";
+ case ISD::ATOMIC_LOAD_AND_8: return "AtomicLoadAnd8";
+ case ISD::ATOMIC_LOAD_OR_8: return "AtomicLoadOr8";
+ case ISD::ATOMIC_LOAD_XOR_8: return "AtomicLoadXor8";
+ case ISD::ATOMIC_LOAD_NAND_8: return "AtomicLoadNand8";
+ case ISD::ATOMIC_LOAD_MIN_8: return "AtomicLoadMin8";
+ case ISD::ATOMIC_LOAD_MAX_8: return "AtomicLoadMax8";
+ case ISD::ATOMIC_LOAD_UMIN_8: return "AtomicLoadUMin8";
+ case ISD::ATOMIC_LOAD_UMAX_8: return "AtomicLoadUMax8";
+ case ISD::ATOMIC_CMP_SWAP_16: return "AtomicCmpSwap16";
+ case ISD::ATOMIC_SWAP_16: return "AtomicSwap16";
+ case ISD::ATOMIC_LOAD_ADD_16: return "AtomicLoadAdd16";
+ case ISD::ATOMIC_LOAD_SUB_16: return "AtomicLoadSub16";
+ case ISD::ATOMIC_LOAD_AND_16: return "AtomicLoadAnd16";
+ case ISD::ATOMIC_LOAD_OR_16: return "AtomicLoadOr16";
+ case ISD::ATOMIC_LOAD_XOR_16: return "AtomicLoadXor16";
+ case ISD::ATOMIC_LOAD_NAND_16: return "AtomicLoadNand16";
+ case ISD::ATOMIC_LOAD_MIN_16: return "AtomicLoadMin16";
+ case ISD::ATOMIC_LOAD_MAX_16: return "AtomicLoadMax16";
+ case ISD::ATOMIC_LOAD_UMIN_16: return "AtomicLoadUMin16";
+ case ISD::ATOMIC_LOAD_UMAX_16: return "AtomicLoadUMax16";
+ case ISD::ATOMIC_CMP_SWAP_32: return "AtomicCmpSwap32";
+ case ISD::ATOMIC_SWAP_32: return "AtomicSwap32";
+ case ISD::ATOMIC_LOAD_ADD_32: return "AtomicLoadAdd32";
+ case ISD::ATOMIC_LOAD_SUB_32: return "AtomicLoadSub32";
+ case ISD::ATOMIC_LOAD_AND_32: return "AtomicLoadAnd32";
+ case ISD::ATOMIC_LOAD_OR_32: return "AtomicLoadOr32";
+ case ISD::ATOMIC_LOAD_XOR_32: return "AtomicLoadXor32";
+ case ISD::ATOMIC_LOAD_NAND_32: return "AtomicLoadNand32";
+ case ISD::ATOMIC_LOAD_MIN_32: return "AtomicLoadMin32";
+ case ISD::ATOMIC_LOAD_MAX_32: return "AtomicLoadMax32";
+ case ISD::ATOMIC_LOAD_UMIN_32: return "AtomicLoadUMin32";
+ case ISD::ATOMIC_LOAD_UMAX_32: return "AtomicLoadUMax32";
+ case ISD::ATOMIC_CMP_SWAP_64: return "AtomicCmpSwap64";
+ case ISD::ATOMIC_SWAP_64: return "AtomicSwap64";
+ case ISD::ATOMIC_LOAD_ADD_64: return "AtomicLoadAdd64";
+ case ISD::ATOMIC_LOAD_SUB_64: return "AtomicLoadSub64";
+ case ISD::ATOMIC_LOAD_AND_64: return "AtomicLoadAnd64";
+ case ISD::ATOMIC_LOAD_OR_64: return "AtomicLoadOr64";
+ case ISD::ATOMIC_LOAD_XOR_64: return "AtomicLoadXor64";
+ case ISD::ATOMIC_LOAD_NAND_64: return "AtomicLoadNand64";
+ case ISD::ATOMIC_LOAD_MIN_64: return "AtomicLoadMin64";
+ case ISD::ATOMIC_LOAD_MAX_64: return "AtomicLoadMax64";
+ case ISD::ATOMIC_LOAD_UMIN_64: return "AtomicLoadUMin64";
+ case ISD::ATOMIC_LOAD_UMAX_64: return "AtomicLoadUMax64";
case ISD::PCMARKER: return "PCMarker";
case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
case ISD::SRCVALUE: return "SrcValue";
case ISD::AssertSext: return "AssertSext";
case ISD::AssertZext: return "AssertZext";
- case ISD::STRING: return "String";
case ISD::BasicBlock: return "BasicBlock";
case ISD::ARG_FLAGS: return "ArgFlags";
case ISD::VALUETYPE: return "ValueType";
case ISD::ConstantPool: return "ConstantPool";
case ISD::ExternalSymbol: return "ExternalSymbol";
case ISD::INTRINSIC_WO_CHAIN: {
- unsigned IID = cast<ConstantSDNode>(getOperand(0))->getValue();
+ unsigned IID = cast<ConstantSDNode>(getOperand(0))->getZExtValue();
return Intrinsic::getName((Intrinsic::ID)IID);
}
case ISD::INTRINSIC_VOID:
case ISD::INTRINSIC_W_CHAIN: {
- unsigned IID = cast<ConstantSDNode>(getOperand(1))->getValue();
+ unsigned IID = cast<ConstantSDNode>(getOperand(1))->getZExtValue();
return Intrinsic::getName((Intrinsic::ID)IID);
}
case ISD::UNDEF: return "undef";
case ISD::MERGE_VALUES: return "merge_values";
case ISD::INLINEASM: return "inlineasm";
- case ISD::LABEL: return "label";
+ case ISD::DBG_LABEL: return "dbg_label";
+ case ISD::EH_LABEL: return "eh_label";
case ISD::DECLARE: return "declare";
case ISD::HANDLENODE: return "handlenode";
case ISD::FORMAL_ARGUMENTS: return "formal_arguments";
case ISD::FCOS: return "fcos";
case ISD::FPOWI: return "fpowi";
case ISD::FPOW: return "fpow";
+ case ISD::FTRUNC: return "ftrunc";
+ case ISD::FFLOOR: return "ffloor";
+ case ISD::FCEIL: return "fceil";
+ case ISD::FRINT: return "frint";
+ case ISD::FNEARBYINT: return "fnearbyint";
// Binary operators
case ISD::ADD: return "add";
case ISD::SMUL_LOHI: return "smul_lohi";
case ISD::UMUL_LOHI: return "umul_lohi";
case ISD::SDIVREM: return "sdivrem";
- case ISD::UDIVREM: return "divrem";
+ case ISD::UDIVREM: return "udivrem";
case ISD::AND: return "and";
case ISD::OR: return "or";
case ISD::XOR: return "xor";
case ISD::CTLZ: return "ctlz";
// Debug info
- case ISD::LOCATION: return "location";
+ case ISD::DBG_STOPPOINT: return "dbg_stoppoint";
case ISD::DEBUG_LOC: return "debug_loc";
// Trampolines
void SDNode::dump() const { dump(0); }
void SDNode::dump(const SelectionDAG *G) const {
- cerr << (void*)this << ": ";
+ print(errs(), G);
+ errs().flush();
+}
+
+void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
+ OS << (void*)this << ": ";
for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
- if (i) cerr << ",";
+ if (i) OS << ",";
if (getValueType(i) == MVT::Other)
- cerr << "ch";
+ OS << "ch";
else
- cerr << getValueType(i).getMVTString();
+ OS << getValueType(i).getMVTString();
}
- cerr << " = " << getOperationName(G);
+ OS << " = " << getOperationName(G);
- cerr << " ";
+ OS << " ";
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
- if (i) cerr << ", ";
- cerr << (void*)getOperand(i).Val;
- if (unsigned RN = getOperand(i).ResNo)
- cerr << ":" << RN;
+ if (i) OS << ", ";
+ OS << (void*)getOperand(i).getNode();
+ if (unsigned RN = getOperand(i).getResNo())
+ OS << ":" << RN;
}
if (!isTargetOpcode() && getOpcode() == ISD::VECTOR_SHUFFLE) {
- SDNode *Mask = getOperand(2).Val;
- cerr << "<";
+ SDNode *Mask = getOperand(2).getNode();
+ OS << "<";
for (unsigned i = 0, e = Mask->getNumOperands(); i != e; ++i) {
- if (i) cerr << ",";
+ if (i) OS << ",";
if (Mask->getOperand(i).getOpcode() == ISD::UNDEF)
- cerr << "u";
+ OS << "u";
else
- cerr << cast<ConstantSDNode>(Mask->getOperand(i))->getValue();
+ OS << cast<ConstantSDNode>(Mask->getOperand(i))->getZExtValue();
}
- cerr << ">";
+ OS << ">";
}
if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
- cerr << "<" << CSDN->getValue() << ">";
+ OS << '<' << CSDN->getAPIntValue() << '>';
} else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
- cerr << "<" << CSDN->getValueAPF().convertToFloat() << ">";
+ OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
- cerr << "<" << CSDN->getValueAPF().convertToDouble() << ">";
+ OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
else {
- cerr << "<APFloat(";
+ OS << "<APFloat(";
CSDN->getValueAPF().convertToAPInt().dump();
- cerr << ")>";
+ OS << ")>";
}
} else if (const GlobalAddressSDNode *GADN =
dyn_cast<GlobalAddressSDNode>(this)) {
int offset = GADN->getOffset();
- cerr << "<";
- WriteAsOperand(*cerr.stream(), GADN->getGlobal()) << ">";
+ OS << '<';
+ WriteAsOperand(OS, GADN->getGlobal());
+ OS << '>';
if (offset > 0)
- cerr << " + " << offset;
+ OS << " + " << offset;
else
- cerr << " " << offset;
+ OS << " " << offset;
} else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
- cerr << "<" << FIDN->getIndex() << ">";
+ OS << "<" << FIDN->getIndex() << ">";
} else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
- cerr << "<" << JTDN->getIndex() << ">";
+ OS << "<" << JTDN->getIndex() << ">";
} else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
int offset = CP->getOffset();
if (CP->isMachineConstantPoolEntry())
- cerr << "<" << *CP->getMachineCPVal() << ">";
+ OS << "<" << *CP->getMachineCPVal() << ">";
else
- cerr << "<" << *CP->getConstVal() << ">";
+ OS << "<" << *CP->getConstVal() << ">";
if (offset > 0)
- cerr << " + " << offset;
+ OS << " + " << offset;
else
- cerr << " " << offset;
+ OS << " " << offset;
} else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
- cerr << "<";
+ OS << "<";
const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
if (LBB)
- cerr << LBB->getName() << " ";
- cerr << (const void*)BBDN->getBasicBlock() << ">";
+ OS << LBB->getName() << " ";
+ OS << (const void*)BBDN->getBasicBlock() << ">";
} else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
if (G && R->getReg() &&
TargetRegisterInfo::isPhysicalRegister(R->getReg())) {
- cerr << " " << G->getTarget().getRegisterInfo()->getName(R->getReg());
+ OS << " " << G->getTarget().getRegisterInfo()->getName(R->getReg());
} else {
- cerr << " #" << R->getReg();
+ OS << " #" << R->getReg();
}
} else if (const ExternalSymbolSDNode *ES =
dyn_cast<ExternalSymbolSDNode>(this)) {
- cerr << "'" << ES->getSymbol() << "'";
+ OS << "'" << ES->getSymbol() << "'";
} else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
if (M->getValue())
- cerr << "<" << M->getValue() << ">";
+ OS << "<" << M->getValue() << ">";
else
- cerr << "<null>";
+ OS << "<null>";
} else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(this)) {
if (M->MO.getValue())
- cerr << "<" << M->MO.getValue() << ":" << M->MO.getOffset() << ">";
+ OS << "<" << M->MO.getValue() << ":" << M->MO.getOffset() << ">";
else
- cerr << "<null:" << M->MO.getOffset() << ">";
+ OS << "<null:" << M->MO.getOffset() << ">";
} else if (const ARG_FLAGSSDNode *N = dyn_cast<ARG_FLAGSSDNode>(this)) {
- cerr << N->getArgFlags().getArgFlagsString();
+ OS << N->getArgFlags().getArgFlagsString();
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
- cerr << ":" << N->getVT().getMVTString();
+ OS << ":" << N->getVT().getMVTString();
}
else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
const Value *SrcValue = LD->getSrcValue();
int SrcOffset = LD->getSrcValueOffset();
- cerr << " <";
+ OS << " <";
if (SrcValue)
- cerr << SrcValue;
+ OS << SrcValue;
else
- cerr << "null";
- cerr << ":" << SrcOffset << ">";
+ OS << "null";
+ OS << ":" << SrcOffset << ">";
bool doExt = true;
switch (LD->getExtensionType()) {
default: doExt = false; break;
- case ISD::EXTLOAD:
- cerr << " <anyext ";
- break;
- case ISD::SEXTLOAD:
- cerr << " <sext ";
- break;
- case ISD::ZEXTLOAD:
- cerr << " <zext ";
- break;
+ case ISD::EXTLOAD: OS << " <anyext "; break;
+ case ISD::SEXTLOAD: OS << " <sext "; break;
+ case ISD::ZEXTLOAD: OS << " <zext "; break;
}
if (doExt)
- cerr << LD->getMemoryVT().getMVTString() << ">";
+ OS << LD->getMemoryVT().getMVTString() << ">";
const char *AM = getIndexedModeName(LD->getAddressingMode());
if (*AM)
- cerr << " " << AM;
+ OS << " " << AM;
if (LD->isVolatile())
- cerr << " <volatile>";
- cerr << " alignment=" << LD->getAlignment();
+ OS << " <volatile>";
+ OS << " alignment=" << LD->getAlignment();
} else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
const Value *SrcValue = ST->getSrcValue();
int SrcOffset = ST->getSrcValueOffset();
- cerr << " <";
+ OS << " <";
if (SrcValue)
- cerr << SrcValue;
+ OS << SrcValue;
else
- cerr << "null";
- cerr << ":" << SrcOffset << ">";
+ OS << "null";
+ OS << ":" << SrcOffset << ">";
if (ST->isTruncatingStore())
- cerr << " <trunc "
- << ST->getMemoryVT().getMVTString() << ">";
+ OS << " <trunc " << ST->getMemoryVT().getMVTString() << ">";
const char *AM = getIndexedModeName(ST->getAddressingMode());
if (*AM)
- cerr << " " << AM;
+ OS << " " << AM;
if (ST->isVolatile())
- cerr << " <volatile>";
- cerr << " alignment=" << ST->getAlignment();
+ OS << " <volatile>";
+ OS << " alignment=" << ST->getAlignment();
} else if (const AtomicSDNode* AT = dyn_cast<AtomicSDNode>(this)) {
const Value *SrcValue = AT->getSrcValue();
int SrcOffset = AT->getSrcValueOffset();
- cerr << " <";
+ OS << " <";
if (SrcValue)
- cerr << SrcValue;
+ OS << SrcValue;
else
- cerr << "null";
- cerr << ":" << SrcOffset << ">";
+ OS << "null";
+ OS << ":" << SrcOffset << ">";
if (AT->isVolatile())
- cerr << " <volatile>";
- cerr << " alignment=" << AT->getAlignment();
+ OS << " <volatile>";
+ OS << " alignment=" << AT->getAlignment();
}
}
static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
- if (N->getOperand(i).Val->hasOneUse())
- DumpNodes(N->getOperand(i).Val, indent+2, G);
+ if (N->getOperand(i).getNode()->hasOneUse())
+ DumpNodes(N->getOperand(i).getNode(), indent+2, G);
else
cerr << "\n" << std::string(indent+2, ' ')
- << (void*)N->getOperand(i).Val << ": <multiple use>";
+ << (void*)N->getOperand(i).getNode() << ": <multiple use>";
cerr << "\n" << std::string(indent, ' ');
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().getNode())
+ DumpNodes(N, 2, this);
}
- if (getRoot().Val) DumpNodes(getRoot().Val, 2, this);
+ if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
cerr << "\n\n";
}