[llvm-commits] [llvm] r55504 - in /llvm/trunk: include/llvm/CodeGen/ include/llvm/Target/ lib/CodeGen/SelectionDAG/ lib/Target/ARM/ lib/Target/Alpha/ lib/Target/CellSPU/ lib/Target/IA64/ lib/Target/Mips/ lib/Target/PIC16/ lib/Target/PowerPC/ lib/Target/Sparc/ lib/Target/X86/ utils/TableGen/

Evan Cheng evan.cheng at apple.com
Fri Aug 29 15:07:24 PDT 2008


Hi Gabor,

I am forced to back out this patch. I think it's fine but I can't  
cleanly back out 55498 without backing this out as well. Sorry about  
it. Can you re-commit the patch after getting DAG combiner to build  
again?

Thanks,

Evan

On Aug 28, 2008, at 2:40 PM, Gabor Greif wrote:

> Author: ggreif
> Date: Thu Aug 28 16:40:38 2008
> New Revision: 55504
>
> URL: http://llvm.org/viewvc/llvm-project?rev=55504&view=rev
> Log:
> erect abstraction boundaries for accessing SDValue members, rename  
> Val -> Node to reflect semantics
>
> Modified:
>    llvm/trunk/include/llvm/CodeGen/DAGISelHeader.h
>    llvm/trunk/include/llvm/CodeGen/SelectionDAG.h
>    llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
>    llvm/trunk/include/llvm/Target/TargetLowering.h
>    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
>    llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
>    llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
>    llvm/trunk/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp
>    llvm/trunk/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp
>    llvm/trunk/lib/Target/CellSPU/SPUOperands.td
>    llvm/trunk/lib/Target/IA64/IA64ISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp
>    llvm/trunk/lib/Target/Mips/MipsISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
>    llvm/trunk/lib/Target/PIC16/PIC16ISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/PIC16/PIC16ISelLowering.cpp
>    llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
>    llvm/trunk/lib/Target/PowerPC/PPCInstrAltivec.td
>    llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp
>    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
>    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
>    llvm/trunk/utils/TableGen/DAGISelEmitter.cpp
>
> Modified: llvm/trunk/include/llvm/CodeGen/DAGISelHeader.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/DAGISelHeader.h?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/include/llvm/CodeGen/DAGISelHeader.h (original)
> +++ llvm/trunk/include/llvm/CodeGen/DAGISelHeader.h Thu Aug 28  
> 16:40:38 2008
> @@ -37,7 +37,7 @@
>   else if (Chain->getNumOperands() > 0) {
>     SDValue C0 = Chain->getOperand(0);
>     if (C0.getValueType() == MVT::Other)
> -      return C0.Val != Op && IsChainCompatible(C0.Val, Op);
> +      return C0.getNode() != Op && IsChainCompatible(C0.getNode(),  
> Op);
>   }
>   return true;
> }
> @@ -76,9 +76,9 @@
> /// AddToISelQueue - adds a node to the instruction
> /// selection queue.
> void AddToISelQueue(SDValue N) DISABLE_INLINE {
> -  int Id = N.Val->getNodeId();
> +  int Id = N.getNode()->getNodeId();
>   if (Id != -1 && !isQueued(Id)) {
> -    ISelQueue.push_back(N.Val);
> +    ISelQueue.push_back(N.getNode());
>     std::push_heap(ISelQueue.begin(), ISelQueue.end(), isel_sort());
>     setQueued(Id);
>   }
> @@ -120,7 +120,7 @@
> void ReplaceUses(SDValue F, SDValue T) DISABLE_INLINE {
>   ISelQueueUpdater ISQU(ISelQueue);
>   CurDAG->ReplaceAllUsesOfValueWith(F, T, &ISQU);
> -  setSelected(F.Val->getNodeId());
> +  setSelected(F.getNode()->getNodeId());
>   UpdateQueue(ISQU);
> }
>
> @@ -131,7 +131,7 @@
>   ISelQueueUpdater ISQU(ISelQueue);
>   CurDAG->ReplaceAllUsesOfValuesWith(F, T, Num, &ISQU);
>   for (unsigned i = 0; i != Num; ++i)
> -    setSelected(F[i].Val->getNodeId());
> +    setSelected(F[i].getNode()->getNodeId());
>   UpdateQueue(ISQU);
> }
>
> @@ -165,7 +165,7 @@
>   // a reference to the root node, preventing it from being deleted,
>   // and tracking any changes of the root.
>   HandleSDNode Dummy(CurDAG->getRoot());
> -  ISelQueue.push_back(CurDAG->getRoot().Val);
> +  ISelQueue.push_back(CurDAG->getRoot().getNode());
>
>   // Select pending nodes from the instruction selection queue
>   // until no more nodes are left for selection.
>
> Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAG.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAG.h?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/include/llvm/CodeGen/SelectionDAG.h (original)
> +++ llvm/trunk/include/llvm/CodeGen/SelectionDAG.h Thu Aug 28  
> 16:40:38 2008
> @@ -170,7 +170,7 @@
>   /// setRoot - Set the current root tag of the SelectionDAG.
>   ///
>   const SDValue &setRoot(SDValue N) {
> -    assert((!N.Val || N.getValueType() == MVT::Other) &&
> +    assert((!N.getNode() || N.getValueType() == MVT::Other) &&
>            "DAG root value is not a chain!");
>     return Root = N;
>   }
> @@ -295,7 +295,7 @@
>                          SDValue Flag) {
>     const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag);
>     SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N,  
> Flag };
> -    return getNode(ISD::CopyToReg, VTs, 2, Ops, Flag.Val ? 4 : 3);
> +    return getNode(ISD::CopyToReg, VTs, 2, Ops, Flag.getNode() ?  
> 4 : 3);
>   }
>
>   // Similar to last getCopyToReg() except parameter Reg is a SDValue
> @@ -303,7 +303,7 @@
>                          SDValue Flag) {
>     const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag);
>     SDValue Ops[] = { Chain, Reg, N, Flag };
> -    return getNode(ISD::CopyToReg, VTs, 2, Ops, Flag.Val ? 4 : 3);
> +    return getNode(ISD::CopyToReg, VTs, 2, Ops, Flag.getNode() ?  
> 4 : 3);
>   }
>
>   SDValue getCopyFromReg(SDValue Chain, unsigned Reg, MVT VT) {
> @@ -319,7 +319,7 @@
>                            SDValue Flag) {
>     const MVT *VTs = getNodeValueTypes(VT, MVT::Other, MVT::Flag);
>     SDValue Ops[] = { Chain, getRegister(Reg, VT), Flag };
> -    return getNode(ISD::CopyFromReg, VTs, 3, Ops, Flag.Val ? 3 : 2);
> +    return getNode(ISD::CopyFromReg, VTs, 3, Ops, Flag.getNode() ?  
> 3 : 2);
>   }
>
>   SDValue getCondCode(ISD::CondCode Cond);
> @@ -347,7 +347,7 @@
>     Ops.push_back(Op2);
>     Ops.push_back(InFlag);
>     return getNode(ISD::CALLSEQ_END, NodeTys, &Ops[0],
> -                   (unsigned)Ops.size() - (InFlag.Val == 0 ? 1 : 0));
> +                   (unsigned)Ops.size() - (InFlag.getNode() == 0 ?  
> 1 : 0));
>   }
>
>   /// getNode - Gets or creates the specified node.
>
> Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h (original)
> +++ llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h Thu Aug 28  
> 16:40:38 2008
> @@ -837,29 +837,33 @@
> /// of information is represented with the SDValue value type.
> ///
> class SDValue {
> -public:
> -  SDNode *Val;        // The node defining the value we are using.
> -private:
> +  SDNode *Node;       // The node defining the value we are using.
>   unsigned ResNo;     // Which return value of the node we are using.
> public:
> -  SDValue() : Val(0), ResNo(0) {}
> -  SDValue(SDNode *val, unsigned resno) : Val(val), ResNo(resno) {}
> +  SDValue() : Node(0), ResNo(0) {}
> +  SDValue(SDNode *node, unsigned resno) : Node(node), ResNo(resno) {}
>
>   /// get the index which selects a specific result in the SDNode
>   unsigned getResNo() const { return ResNo; }
>
> +  /// get the SDNode which holds the desired result
> +  SDNode *getNode() const { return Node; }
> +
> +  /// set the SDNode
> +  void setNode(SDNode *N) { Node = N; }
> +
>   bool operator==(const SDValue &O) const {
> -    return Val == O.Val && ResNo == O.ResNo;
> +    return Node == O.Node && ResNo == O.ResNo;
>   }
>   bool operator!=(const SDValue &O) const {
>     return !operator==(O);
>   }
>   bool operator<(const SDValue &O) const {
> -    return Val < O.Val || (Val == O.Val && ResNo < O.ResNo);
> +    return Node < O.Node || (Node == O.Node && ResNo < O.ResNo);
>   }
>
>   SDValue getValue(unsigned R) const {
> -    return SDValue(Val, R);
> +    return SDValue(Node, R);
>   }
>
>   // isOperandOf - Return true if this node is an operand of N.
> @@ -894,12 +898,12 @@
>                                       unsigned Depth = 2) const;
>
>   /// use_empty - Return true if there are no nodes using value ResNo
> -  /// of node Val.
> +  /// of Node.
>   ///
>   inline bool use_empty() const;
>
>   /// hasOneUse - Return true if there is exactly one node using value
> -  /// ResNo of node Val.
> +  /// ResNo of Node.
>   ///
>   inline bool hasOneUse() const;
> };
> @@ -913,8 +917,8 @@
>     return SDValue((SDNode*)-1, 0);
>   }
>   static unsigned getHashValue(const SDValue &Val) {
> -    return ((unsigned)((uintptr_t)Val.Val >> 4) ^
> -            (unsigned)((uintptr_t)Val.Val >> 9)) + Val.getResNo();
> +    return ((unsigned)((uintptr_t)Val.getNode() >> 4) ^
> +            (unsigned)((uintptr_t)Val.getNode() >> 9)) +  
> Val.getResNo();
>   }
>   static bool isEqual(const SDValue &LHS, const SDValue &RHS) {
>     return LHS == RHS;
> @@ -927,13 +931,13 @@
> template<> struct simplify_type<SDValue> {
>   typedef SDNode* SimpleType;
>   static SimpleType getSimplifiedValue(const SDValue &Val) {
> -    return static_cast<SimpleType>(Val.Val);
> +    return static_cast<SimpleType>(Val.getNode());
>   }
> };
> template<> struct simplify_type<const SDValue> {
>   typedef SDNode* SimpleType;
>   static SimpleType getSimplifiedValue(const SDValue &Val) {
> -    return static_cast<SimpleType>(Val.Val);
> +    return static_cast<SimpleType>(Val.getNode());
>   }
> };
>
> @@ -977,8 +981,9 @@
>
>   const SDValue& getSDValue() const { return Operand; }
>
> -  SDNode *&getVal() { return Operand.Val; }
> -  SDNode *const &getVal() const { return Operand.Val; }
> +  SDValue &getSDValue() { return Operand; }
> +  SDNode *getVal() { return Operand.getNode(); }
> +  SDNode *getVal() const { return Operand.getNode(); } // FIXME:  
> const correct?
>
>   bool operator==(const SDValue &O) const {
>     return Operand == O;
> @@ -1323,7 +1328,7 @@
>     for (unsigned i = 0; i != NumOps; ++i) {
>       OperandList[i] = Ops[i];
>       OperandList[i].setUser(this);
> -      Ops[i].Val->addUse(OperandList[i]);
> +      Ops[i].getNode()->addUse(OperandList[i]);
>     }
>
>     ValueList = VTs.VTs;
> @@ -1393,34 +1398,34 @@
> // Define inline functions from the SDValue class.
>
> inline unsigned SDValue::getOpcode() const {
> -  return Val->getOpcode();
> +  return Node->getOpcode();
> }
> inline MVT SDValue::getValueType() const {
> -  return Val->getValueType(ResNo);
> +  return Node->getValueType(ResNo);
> }
> inline unsigned SDValue::getNumOperands() const {
> -  return Val->getNumOperands();
> +  return Node->getNumOperands();
> }
> inline const SDValue &SDValue::getOperand(unsigned i) const {
> -  return Val->getOperand(i);
> +  return Node->getOperand(i);
> }
> inline uint64_t SDValue::getConstantOperandVal(unsigned i) const {
> -  return Val->getConstantOperandVal(i);
> +  return Node->getConstantOperandVal(i);
> }
> inline bool SDValue::isTargetOpcode() const {
> -  return Val->isTargetOpcode();
> +  return Node->isTargetOpcode();
> }
> inline bool SDValue::isMachineOpcode() const {
> -  return Val->isMachineOpcode();
> +  return Node->isMachineOpcode();
> }
> inline unsigned SDValue::getMachineOpcode() const {
> -  return Val->getMachineOpcode();
> +  return Node->getMachineOpcode();
> }
> inline bool SDValue::use_empty() const {
> -  return !Val->hasAnyUseOfValue(ResNo);
> +  return !Node->hasAnyUseOfValue(ResNo);
> }
> inline bool SDValue::hasOneUse() const {
> -  return Val->hasNUsesOfValue(1, ResNo);
> +  return Node->hasNUsesOfValue(1, ResNo);
> }
>
> /// UnarySDNode - This class is used for single-operand SDNodes.   
> This is solely
> @@ -2321,7 +2326,7 @@
>   }
>
>   pointer operator*() const {
> -    return Node->getOperand(Operand).Val;
> +    return Node->getOperand(Operand).getNode();
>   }
>   pointer operator->() const { return operator*(); }
>
>
> Modified: llvm/trunk/include/llvm/Target/TargetLowering.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetLowering.h?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/include/llvm/Target/TargetLowering.h (original)
> +++ llvm/trunk/include/llvm/Target/TargetLowering.h Thu Aug 28  
> 16:40:38 2008
> @@ -1086,11 +1086,11 @@
>   static bool CheckTailCallReturnConstraints(SDValue Call, SDValue  
> Ret) {
>     unsigned NumOps = Ret.getNumOperands();
>     if ((NumOps == 1 &&
> -       (Ret.getOperand(0) == SDValue(Call.Val,1) ||
> -        Ret.getOperand(0) == SDValue(Call.Val,0))) ||
> +       (Ret.getOperand(0) == SDValue(Call.getNode(),1) ||
> +        Ret.getOperand(0) == SDValue(Call.getNode(),0))) ||
>       (NumOps > 1 &&
> -       Ret.getOperand(0) == SDValue(Call.Val,Call.Val- 
> >getNumValues()-1) &&
> -       Ret.getOperand(1) == SDValue(Call.Val,0)))
> +       Ret.getOperand(0) == SDValue(Call.getNode(),Call.getNode()- 
> >getNumValues()-1) &&
> +       Ret.getOperand(1) == SDValue(Call.getNode(),0)))
>       return true;
>     return false;
>   }
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -148,8 +148,8 @@
>     // Visitation implementation - Implement dag node combining for  
> different
>     // node types.  The semantics are as follows:
>     // Return Value:
> -    //   SDValue.Val == 0   - No change was made
> -    //   SDValue.Val == N   - N was replaced, is dead, and is  
> already handled.
> +    //   SDValue.getNode() == 0   - No change was made
> +    //   SDValue.getNode() == N   - N was replaced, is dead, and is  
> already handled.
>     //   otherwise            - N should be replaced by the returned  
> Operand.
>     //
>     SDValue visitTokenFactor(SDNode *N);
> @@ -491,7 +491,7 @@
> // free when it is profitable to do so.
> static bool isOneUseSetCC(SDValue N) {
>   SDValue N0, N1, N2;
> -  if (isSetCCEquivalent(N, N0, N1, N2) && N.Val->hasOneUse())
> +  if (isSetCCEquivalent(N, N0, N1, N2) && N.getNode()->hasOneUse())
>     return true;
>   return false;
> }
> @@ -503,11 +503,11 @@
>   if (N0.getOpcode() == Opc &&  
> isa<ConstantSDNode>(N0.getOperand(1))) {
>     if (isa<ConstantSDNode>(N1)) {
>       SDValue OpNode = DAG.getNode(Opc, VT, N0.getOperand(1), N1);
> -      AddToWorkList(OpNode.Val);
> +      AddToWorkList(OpNode.getNode());
>       return DAG.getNode(Opc, VT, OpNode, N0.getOperand(0));
>     } else if (N0.hasOneUse()) {
>       SDValue OpNode = DAG.getNode(Opc, VT, N0.getOperand(0), N1);
> -      AddToWorkList(OpNode.Val);
> +      AddToWorkList(OpNode.getNode());
>       return DAG.getNode(Opc, VT, OpNode, N0.getOperand(1));
>     }
>   }
> @@ -516,11 +516,11 @@
>   if (N1.getOpcode() == Opc &&  
> isa<ConstantSDNode>(N1.getOperand(1))) {
>     if (isa<ConstantSDNode>(N0)) {
>       SDValue OpNode = DAG.getNode(Opc, VT, N1.getOperand(1), N0);
> -      AddToWorkList(OpNode.Val);
> +      AddToWorkList(OpNode.getNode());
>       return DAG.getNode(Opc, VT, OpNode, N1.getOperand(0));
>     } else if (N1.hasOneUse()) {
>       SDValue OpNode = DAG.getNode(Opc, VT, N1.getOperand(0), N0);
> -      AddToWorkList(OpNode.Val);
> +      AddToWorkList(OpNode.getNode());
>       return DAG.getNode(Opc, VT, OpNode, N1.getOperand(1));
>     }
>   }
> @@ -532,7 +532,7 @@
>   assert(N->getNumValues() == NumTo && "Broken CombineTo call!");
>   ++NodesCombined;
>   DOUT << "\nReplacing.1 "; DEBUG(N->dump(&DAG));
> -  DOUT << "\nWith: "; DEBUG(To[0].Val->dump(&DAG));
> +  DOUT << "\nWith: "; DEBUG(To[0].getNode()->dump(&DAG));
>   DOUT << " and " << NumTo-1 << " other values\n";
>   WorkListRemover DeadNodes(*this);
>   DAG.ReplaceAllUsesWith(N, To, &DeadNodes);
> @@ -540,8 +540,8 @@
>   if (AddTo) {
>     // Push the new nodes and any users onto the worklist
>     for (unsigned i = 0, e = NumTo; i != e; ++i) {
> -      AddToWorkList(To[i].Val);
> -      AddUsersToWorkList(To[i].Val);
> +      AddToWorkList(To[i].getNode());
> +      AddUsersToWorkList(To[i].getNode());
>     }
>   }
>
> @@ -564,12 +564,12 @@
>     return false;
>
>   // Revisit the node.
> -  AddToWorkList(Op.Val);
> +  AddToWorkList(Op.getNode());
>
>   // Replace the old value with the new one.
>   ++NodesCombined;
> -  DOUT << "\nReplacing.2 "; DEBUG(TLO.Old.Val->dump(&DAG));
> -  DOUT << "\nWith: "; DEBUG(TLO.New.Val->dump(&DAG));
> +  DOUT << "\nReplacing.2 "; DEBUG(TLO.Old.getNode()->dump(&DAG));
> +  DOUT << "\nWith: "; DEBUG(TLO.New.getNode()->dump(&DAG));
>   DOUT << '\n';
>
>   // Replace all uses.  If any nodes become isomorphic to other  
> nodes and
> @@ -578,22 +578,22 @@
>   DAG.ReplaceAllUsesOfValueWith(TLO.Old, TLO.New, &DeadNodes);
>
>   // Push the new node and any (possibly new) users onto the worklist.
> -  AddToWorkList(TLO.New.Val);
> -  AddUsersToWorkList(TLO.New.Val);
> +  AddToWorkList(TLO.New.getNode());
> +  AddUsersToWorkList(TLO.New.getNode());
>
>   // Finally, if the node is now dead, remove it from the graph.   
> The node
>   // may not be dead if the replacement process recursively  
> simplified to
>   // something else needing this node.
> -  if (TLO.Old.Val->use_empty()) {
> -    removeFromWorkList(TLO.Old.Val);
> +  if (TLO.Old.getNode()->use_empty()) {
> +    removeFromWorkList(TLO.Old.getNode());
>
>     // If the operands of this node are only used by the node, they  
> will now
>     // be dead.  Make sure to visit them first to delete dead nodes  
> early.
> -    for (unsigned i = 0, e = TLO.Old.Val->getNumOperands(); i != e;  
> ++i)
> -      if (TLO.Old.Val->getOperand(i).Val->hasOneUse())
> -        AddToWorkList(TLO.Old.Val->getOperand(i).Val);
> +    for (unsigned i = 0, e = TLO.Old.getNode()->getNumOperands();  
> i != e; ++i)
> +      if (TLO.Old.getNode()->getOperand(i).getNode()->hasOneUse())
> +        AddToWorkList(TLO.Old.getNode()->getOperand(i).getNode());
>
> -    DAG.DeleteNode(TLO.Old.Val);
> +    DAG.DeleteNode(TLO.Old.getNode());
>   }
>   return true;
> }
> @@ -608,7 +608,7 @@
>   // reduced number of uses, allowing other xforms.
>   if (N->use_empty() && N != &Dummy) {
>     for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
> -      AddToWorkList(N->getOperand(i).Val);
> +      AddToWorkList(N->getOperand(i).getNode());
>
>     DAG.DeleteNode(N);
>     return;
> @@ -616,7 +616,7 @@
>
>   SDValue RV = combine(N);
>
> -  if (RV.Val == 0)
> +  if (RV.getNode() == 0)
>     return;
>
>   ++NodesCombined;
> @@ -625,19 +625,19 @@
>   // zero, we know that the node must have defined multiple values and
>   // CombineTo was used.  Since CombineTo takes care of the worklist
>   // mechanics for us, we have no work to do in this case.
> -  if (RV.Val == N)
> +  if (RV.getNode() == N)
>     return;
>
>   assert(N->getOpcode() != ISD::DELETED_NODE &&
> -         RV.Val->getOpcode() != ISD::DELETED_NODE &&
> +         RV.getNode()->getOpcode() != ISD::DELETED_NODE &&
>          "Node was deleted but visit returned new node!");
>
>   DOUT << "\nReplacing.3 "; DEBUG(N->dump(&DAG));
> -  DOUT << "\nWith: "; DEBUG(RV.Val->dump(&DAG));
> +  DOUT << "\nWith: "; DEBUG(RV.getNode()->dump(&DAG));
>   DOUT << '\n';
>
> -  if (N->getNumValues() == RV.Val->getNumValues())
> -    DAG.ReplaceAllUsesWith(N, RV.Val);
> +  if (N->getNumValues() == RV.getNode()->getNumValues())
> +    DAG.ReplaceAllUsesWith(N, RV.getNode());
>   else {
>     assert(N->getValueType(0) == RV.getValueType() &&
>            N->getNumValues() == 1 && "Type mismatch");
> @@ -650,8 +650,8 @@
>   DAG.DeleteNode(N);
>
>   // Push the new node and any users onto the worklist
> -  AddToWorkList(RV.Val);
> -  AddUsersToWorkList(RV.Val);
> +  AddToWorkList(RV.getNode());
> +  AddUsersToWorkList(RV.getNode());
> }
>
> void DAGCombiner::Run(bool RunningAfterLegalize) {
> @@ -761,7 +761,7 @@
>   SDValue RV = visit(N);
>
>   // If nothing happened, try a target-specific DAG combine.
> -  if (RV.Val == 0) {
> +  if (RV.getNode() == 0) {
>     assert(N->getOpcode() != ISD::DELETED_NODE &&
>            "Node was deleted but visit returned NULL!");
>
> @@ -778,7 +778,7 @@
>
>   // If N is a commutative binary node, try commuting it to enable  
> more
>   // sdisel CSE.
> -  if (RV.Val == 0 &&
> +  if (RV.getNode() == 0 &&
>       SelectionDAG::isCommutativeBinOp(N->getOpcode()) &&
>       N->getNumValues() == 1) {
>     SDValue N0 = N->getOperand(0);
> @@ -815,9 +815,9 @@
>   // If N has two operands, where one has an input chain equal to  
> the other,
>   // the 'other' chain is redundant.
>   if (N->getNumOperands() == 2) {
> -    if (getInputChainForNode(N->getOperand(0).Val) == N- 
> >getOperand(1))
> +    if (getInputChainForNode(N->getOperand(0).getNode()) == N- 
> >getOperand(1))
>       return N->getOperand(0);
> -    if (getInputChainForNode(N->getOperand(1).Val) == N- 
> >getOperand(0))
> +    if (getInputChainForNode(N->getOperand(1).getNode()) == N- 
> >getOperand(0))
>       return N->getOperand(1);
>   }
>
> @@ -847,11 +847,11 @@
>
>       case ISD::TokenFactor:
>         if ((CombinerAA || Op.hasOneUse()) &&
> -            std::find(TFs.begin(), TFs.end(), Op.Val) == TFs.end()) {
> +            std::find(TFs.begin(), TFs.end(), Op.getNode()) ==  
> TFs.end()) {
>           // Queue up for processing.
> -          TFs.push_back(Op.Val);
> +          TFs.push_back(Op.getNode());
>           // Clean up in case the token factor is removed.
> -          AddToWorkList(Op.Val);
> +          AddToWorkList(Op.getNode());
>           Changed = true;
>           break;
>         }
> @@ -859,7 +859,7 @@
>
>       default:
>         // Only add if it isn't already in the list.
> -        if (SeenOps.insert(Op.Val))
> +        if (SeenOps.insert(Op.getNode()))
>           Ops.push_back(Op);
>         else
>           Changed = true;
> @@ -905,7 +905,7 @@
>   SDValue N00 = N0.getOperand(0);
>   SDValue N01 = N0.getOperand(1);
>   ConstantSDNode *N01C = dyn_cast<ConstantSDNode>(N01);
> -  if (N01C && N00.getOpcode() == ISD::ADD && N00.Val->hasOneUse() &&
> +  if (N01C && N00.getOpcode() == ISD::ADD && N00.getNode()- 
> >hasOneUse() &&
>       isa<ConstantSDNode>(N00.getOperand(1))) {
>     N0 = DAG.getNode(ISD::ADD, VT,
>                      DAG.getNode(ISD::SHL, VT, N00.getOperand(0),  
> N01),
> @@ -975,7 +975,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (add x, undef) -> undef
> @@ -1001,7 +1001,7 @@
>                          N0.getOperand(1));
>   // reassociate add
>   SDValue RADD = ReassociateOps(ISD::ADD, N0, N1);
> -  if (RADD.Val != 0)
> +  if (RADD.getNode() != 0)
>     return RADD;
>   // fold ((0-A) + B) -> B-A
>   if (N0.getOpcode() == ISD::SUB &&  
> isa<ConstantSDNode>(N0.getOperand(0)) &&
> @@ -1036,23 +1036,23 @@
>   }
>
>   // fold (add (shl (add x, c1), c2), ) -> (add (add (shl x, c2),  
> c1<<c2), )
> -  if (N0.getOpcode() == ISD::SHL && N0.Val->hasOneUse()) {
> +  if (N0.getOpcode() == ISD::SHL && N0.getNode()->hasOneUse()) {
>     SDValue Result = combineShlAddConstant(N0, N1, DAG);
> -    if (Result.Val) return Result;
> +    if (Result.getNode()) return Result;
>   }
> -  if (N1.getOpcode() == ISD::SHL && N1.Val->hasOneUse()) {
> +  if (N1.getOpcode() == ISD::SHL && N1.getNode()->hasOneUse()) {
>     SDValue Result = combineShlAddConstant(N1, N0, DAG);
> -    if (Result.Val) return Result;
> +    if (Result.getNode()) return Result;
>   }
>
>   // fold (add (select cc, 0, c), x) -> (select cc, x, (add, x, c))
> -  if (N0.getOpcode() == ISD::SELECT && N0.Val->hasOneUse()) {
> +  if (N0.getOpcode() == ISD::SELECT && N0.getNode()->hasOneUse()) {
>     SDValue Result = combineSelectAndUse(N, N0, N1, DAG);
> -    if (Result.Val) return Result;
> +    if (Result.getNode()) return Result;
>   }
> -  if (N1.getOpcode() == ISD::SELECT && N1.Val->hasOneUse()) {
> +  if (N1.getOpcode() == ISD::SELECT && N1.getNode()->hasOneUse()) {
>     SDValue Result = combineSelectAndUse(N, N1, N0, DAG);
> -    if (Result.Val) return Result;
> +    if (Result.getNode()) return Result;
>   }
>
>   return SDValue();
> @@ -1121,14 +1121,14 @@
> SDValue DAGCombiner::visitSUB(SDNode *N) {
>   SDValue N0 = N->getOperand(0);
>   SDValue N1 = N->getOperand(1);
> -  ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.Val);
> -  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
> +  ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getNode());
> +  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
>   MVT VT = N0.getValueType();
>
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (sub x, x) -> 0
> @@ -1148,9 +1148,9 @@
>   if (N0.getOpcode() == ISD::ADD && N0.getOperand(1) == N1)
>     return N0.getOperand(0);
>   // fold (sub x, (select cc, 0, c)) -> (select cc, x, (sub, x, c))
> -  if (N1.getOpcode() == ISD::SELECT && N1.Val->hasOneUse()) {
> +  if (N1.getOpcode() == ISD::SELECT && N1.getNode()->hasOneUse()) {
>     SDValue Result = combineSelectAndUse(N, N1, N0, DAG);
> -    if (Result.Val) return Result;
> +    if (Result.getNode()) return Result;
>   }
>   // If either operand of a sub is undef, the result is undef
>   if (N0.getOpcode() == ISD::UNDEF)
> @@ -1171,7 +1171,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (mul x, undef) -> 0
> @@ -1208,7 +1208,7 @@
>   if (N1C && N0.getOpcode() == ISD::SHL &&
>       isa<ConstantSDNode>(N0.getOperand(1))) {
>     SDValue C3 = DAG.getNode(ISD::SHL, VT, N1, N0.getOperand(1));
> -    AddToWorkList(C3.Val);
> +    AddToWorkList(C3.getNode());
>     return DAG.getNode(ISD::MUL, VT, N0.getOperand(0), C3);
>   }
>
> @@ -1218,19 +1218,19 @@
>     SDValue Sh(0,0), Y(0,0);
>     // Check for both (mul (shl X, C), Y)  and  (mul Y, (shl X, C)).
>     if (N0.getOpcode() == ISD::SHL &&  
> isa<ConstantSDNode>(N0.getOperand(1)) &&
> -        N0.Val->hasOneUse()) {
> +        N0.getNode()->hasOneUse()) {
>       Sh = N0; Y = N1;
>     } else if (N1.getOpcode() == ISD::SHL &&
> -               isa<ConstantSDNode>(N1.getOperand(1)) && N1.Val- 
> >hasOneUse()) {
> +               isa<ConstantSDNode>(N1.getOperand(1)) &&  
> N1.getNode()->hasOneUse()) {
>       Sh = N1; Y = N0;
>     }
> -    if (Sh.Val) {
> +    if (Sh.getNode()) {
>       SDValue Mul = DAG.getNode(ISD::MUL, VT, Sh.getOperand(0), Y);
>       return DAG.getNode(ISD::SHL, VT, Mul, Sh.getOperand(1));
>     }
>   }
>   // fold (mul (add x, c1), c2) -> (add (mul x, c2), c1*c2)
> -  if (N1C && N0.getOpcode() == ISD::ADD && N0.Val->hasOneUse() &&
> +  if (N1C && N0.getOpcode() == ISD::ADD && N0.getNode()- 
> >hasOneUse() &&
>       isa<ConstantSDNode>(N0.getOperand(1))) {
>     return DAG.getNode(ISD::ADD, VT,
>                        DAG.getNode(ISD::MUL, VT, N0.getOperand(0),  
> N1),
> @@ -1239,7 +1239,7 @@
>
>   // reassociate mul
>   SDValue RMUL = ReassociateOps(ISD::MUL, N0, N1);
> -  if (RMUL.Val != 0)
> +  if (RMUL.getNode() != 0)
>     return RMUL;
>
>   return SDValue();
> @@ -1248,14 +1248,14 @@
> SDValue DAGCombiner::visitSDIV(SDNode *N) {
>   SDValue N0 = N->getOperand(0);
>   SDValue N1 = N->getOperand(1);
> -  ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.Val);
> -  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
> +  ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getNode());
> +  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
>   MVT VT = N->getValueType(0);
>
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (sdiv c1, c2) -> c1/c2
> @@ -1288,21 +1288,21 @@
>     SDValue SGN = DAG.getNode(ISD::SRA, VT, N0,
>                                 DAG.getConstant(VT.getSizeInBits()-1,
>                                                  
> TLI.getShiftAmountTy()));
> -    AddToWorkList(SGN.Val);
> +    AddToWorkList(SGN.getNode());
>     // Add (N0 < 0) ? abs2 - 1 : 0;
>     SDValue SRL = DAG.getNode(ISD::SRL, VT, SGN,
>                                 DAG.getConstant(VT.getSizeInBits()- 
> lg2,
>                                                  
> TLI.getShiftAmountTy()));
>     SDValue ADD = DAG.getNode(ISD::ADD, VT, N0, SRL);
> -    AddToWorkList(SRL.Val);
> -    AddToWorkList(ADD.Val);    // Divide by pow2
> +    AddToWorkList(SRL.getNode());
> +    AddToWorkList(ADD.getNode());    // Divide by pow2
>     SDValue SRA = DAG.getNode(ISD::SRA, VT, ADD,
>                                 DAG.getConstant(lg2,  
> TLI.getShiftAmountTy()));
>     // If we're dividing by a positive value, we're done.   
> Otherwise, we must
>     // negate the result.
>     if (pow2 > 0)
>       return SRA;
> -    AddToWorkList(SRA.Val);
> +    AddToWorkList(SRA.getNode());
>     return DAG.getNode(ISD::SUB, VT, DAG.getConstant(0, VT), SRA);
>   }
>   // if integer divide is expensive and we satisfy the requirements,  
> emit an
> @@ -1310,7 +1310,7 @@
>   if (N1C && (N1C->getSignExtended() < -1 || N1C->getSignExtended()  
> > 1) &&
>       !TLI.isIntDivCheap()) {
>     SDValue Op = BuildSDIV(N);
> -    if (Op.Val) return Op;
> +    if (Op.getNode()) return Op;
>   }
>
>   // undef / X -> 0
> @@ -1326,14 +1326,14 @@
> SDValue DAGCombiner::visitUDIV(SDNode *N) {
>   SDValue N0 = N->getOperand(0);
>   SDValue N1 = N->getOperand(1);
> -  ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.Val);
> -  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
> +  ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getNode());
> +  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
>   MVT VT = N->getValueType(0);
>
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (udiv c1, c2) -> c1/c2
> @@ -1353,7 +1353,7 @@
>                                     DAG.getConstant(SHC- 
> >getAPIntValue()
>                                                                     .logBase2 
> (),
>                                                     ADDVT));
> -        AddToWorkList(Add.Val);
> +        AddToWorkList(Add.getNode());
>         return DAG.getNode(ISD::SRL, VT, N0, Add);
>       }
>     }
> @@ -1361,7 +1361,7 @@
>   // fold (udiv x, c) -> alternate
>   if (N1C && !N1C->isNullValue() && !TLI.isIntDivCheap()) {
>     SDValue Op = BuildUDIV(N);
> -    if (Op.Val) return Op;
> +    if (Op.getNode()) return Op;
>   }
>
>   // undef / X -> 0
> @@ -1395,12 +1395,12 @@
>   // X%C to the equivalent of X-X/C*C.
>   if (N1C && !N1C->isNullValue()) {
>     SDValue Div = DAG.getNode(ISD::SDIV, VT, N0, N1);
> -    AddToWorkList(Div.Val);
> -    SDValue OptimizedDiv = combine(Div.Val);
> -    if (OptimizedDiv.Val && OptimizedDiv.Val != Div.Val) {
> +    AddToWorkList(Div.getNode());
> +    SDValue OptimizedDiv = combine(Div.getNode());
> +    if (OptimizedDiv.getNode() && OptimizedDiv.getNode() !=  
> Div.getNode()) {
>       SDValue Mul = DAG.getNode(ISD::MUL, VT, OptimizedDiv, N1);
>       SDValue Sub = DAG.getNode(ISD::SUB, VT, N0, Mul);
> -      AddToWorkList(Mul.Val);
> +      AddToWorkList(Mul.getNode());
>       return Sub;
>     }
>   }
> @@ -1437,7 +1437,7 @@
>           DAG.getNode(ISD::ADD, VT, N1,
>                   
> DAG.getConstant(APInt::getAllOnesValue(VT.getSizeInBits()),
>                                  VT));
> -        AddToWorkList(Add.Val);
> +        AddToWorkList(Add.getNode());
>         return DAG.getNode(ISD::AND, VT, N0, Add);
>       }
>     }
> @@ -1447,11 +1447,11 @@
>   // X%C to the equivalent of X-X/C*C.
>   if (N1C && !N1C->isNullValue()) {
>     SDValue Div = DAG.getNode(ISD::UDIV, VT, N0, N1);
> -    SDValue OptimizedDiv = combine(Div.Val);
> -    if (OptimizedDiv.Val && OptimizedDiv.Val != Div.Val) {
> +    SDValue OptimizedDiv = combine(Div.getNode());
> +    if (OptimizedDiv.getNode() && OptimizedDiv.getNode() !=  
> Div.getNode()) {
>       SDValue Mul = DAG.getNode(ISD::MUL, VT, OptimizedDiv, N1);
>       SDValue Sub = DAG.getNode(ISD::SUB, VT, N0, Mul);
> -      AddToWorkList(Mul.Val);
> +      AddToWorkList(Mul.getNode());
>       return Sub;
>     }
>   }
> @@ -1540,9 +1540,9 @@
>   if (LoExists) {
>     SDValue Lo = DAG.getNode(LoOp, N->getValueType(0),
>                                N->op_begin(), N->getNumOperands());
> -    AddToWorkList(Lo.Val);
> -    SDValue LoOpt = combine(Lo.Val);
> -    if (LoOpt.Val && LoOpt.Val != Lo.Val &&
> +    AddToWorkList(Lo.getNode());
> +    SDValue LoOpt = combine(Lo.getNode());
> +    if (LoOpt.getNode() && LoOpt.getNode() != Lo.getNode() &&
>         (!AfterLegalize ||
>          TLI.isOperationLegal(LoOpt.getOpcode(),  
> LoOpt.getValueType())))
>       return CombineTo(N, LoOpt, LoOpt);
> @@ -1551,9 +1551,9 @@
>   if (HiExists) {
>     SDValue Hi = DAG.getNode(HiOp, N->getValueType(1),
>                                N->op_begin(), N->getNumOperands());
> -    AddToWorkList(Hi.Val);
> -    SDValue HiOpt = combine(Hi.Val);
> -    if (HiOpt.Val && HiOpt != Hi &&
> +    AddToWorkList(Hi.getNode());
> +    SDValue HiOpt = combine(Hi.getNode());
> +    if (HiOpt.getNode() && HiOpt != Hi &&
>         (!AfterLegalize ||
>          TLI.isOperationLegal(HiOpt.getOpcode(),  
> HiOpt.getValueType())))
>       return CombineTo(N, HiOpt, HiOpt);
> @@ -1563,28 +1563,28 @@
>
> SDValue DAGCombiner::visitSMUL_LOHI(SDNode *N) {
>   SDValue Res = SimplifyNodeWithTwoResults(N, ISD::MUL, ISD::MULHS);
> -  if (Res.Val) return Res;
> +  if (Res.getNode()) return Res;
>
>   return SDValue();
> }
>
> SDValue DAGCombiner::visitUMUL_LOHI(SDNode *N) {
>   SDValue Res = SimplifyNodeWithTwoResults(N, ISD::MUL, ISD::MULHU);
> -  if (Res.Val) return Res;
> +  if (Res.getNode()) return Res;
>
>   return SDValue();
> }
>
> SDValue DAGCombiner::visitSDIVREM(SDNode *N) {
>   SDValue Res = SimplifyNodeWithTwoResults(N, ISD::SDIV, ISD::SREM);
> -  if (Res.Val) return Res;
> +  if (Res.getNode()) return Res;
>
>   return SDValue();
> }
>
> SDValue DAGCombiner::visitUDIVREM(SDNode *N) {
>   SDValue Res = SimplifyNodeWithTwoResults(N, ISD::UDIV, ISD::UREM);
> -  if (Res.Val) return Res;
> +  if (Res.getNode()) return Res;
>
>   return SDValue();
> }
> @@ -1607,7 +1607,7 @@
>     SDValue ORNode = DAG.getNode(N->getOpcode(),
>                                    N0.getOperand(0).getValueType(),
>                                    N0.getOperand(0),  
> N1.getOperand(0));
> -    AddToWorkList(ORNode.Val);
> +    AddToWorkList(ORNode.getNode());
>     return DAG.getNode(N0.getOpcode(), VT, ORNode);
>   }
>
> @@ -1621,7 +1621,7 @@
>     SDValue ORNode = DAG.getNode(N->getOpcode(),
>                                    N0.getOperand(0).getValueType(),
>                                    N0.getOperand(0),  
> N1.getOperand(0));
> -    AddToWorkList(ORNode.Val);
> +    AddToWorkList(ORNode.getNode());
>     return DAG.getNode(N0.getOpcode(), VT, ORNode, N0.getOperand(1));
>   }
>
> @@ -1640,7 +1640,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (and x, undef) -> 0
> @@ -1661,7 +1661,7 @@
>     return DAG.getConstant(0, VT);
>   // reassociate and
>   SDValue RAND = ReassociateOps(ISD::AND, N0, N1);
> -  if (RAND.Val != 0)
> +  if (RAND.getNode() != 0)
>     return RAND;
>   // fold (and (or x, 0xFFFF), 0xFF) -> 0xFF
>   if (N1C && N0.getOpcode() == ISD::OR)
> @@ -1683,7 +1683,7 @@
>       // We actually want to replace all uses of the any_extend with  
> the
>       // zero_extend, to avoid duplicating things.  This will later  
> cause this
>       // AND to be folded.
> -      CombineTo(N0.Val, Zext);
> +      CombineTo(N0.getNode(), Zext);
>       return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>     }
>   }
> @@ -1697,19 +1697,19 @@
>       // fold (X == 0) & (Y == 0) -> (X|Y == 0)
>       if (cast<ConstantSDNode>(LR)->isNullValue() && Op1 ==  
> ISD::SETEQ) {
>         SDValue ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL,  
> RL);
> -        AddToWorkList(ORNode.Val);
> +        AddToWorkList(ORNode.getNode());
>         return DAG.getSetCC(VT, ORNode, LR, Op1);
>       }
>       // fold (X == -1) & (Y == -1) -> (X&Y == -1)
>       if (cast<ConstantSDNode>(LR)->isAllOnesValue() && Op1 ==  
> ISD::SETEQ) {
>         SDValue ANDNode = DAG.getNode(ISD::AND, LR.getValueType(),  
> LL, RL);
> -        AddToWorkList(ANDNode.Val);
> +        AddToWorkList(ANDNode.getNode());
>         return DAG.getSetCC(VT, ANDNode, LR, Op1);
>       }
>       // fold (X >  -1) & (Y >  -1) -> (X|Y > -1)
>       if (cast<ConstantSDNode>(LR)->isAllOnesValue() && Op1 ==  
> ISD::SETGT) {
>         SDValue ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL,  
> RL);
> -        AddToWorkList(ORNode.Val);
> +        AddToWorkList(ORNode.getNode());
>         return DAG.getSetCC(VT, ORNode, LR, Op1);
>       }
>     }
> @@ -1729,7 +1729,7 @@
>   // Simplify: and (op x...), (op y...)  -> (op (and x, y))
>   if (N0.getOpcode() == N1.getOpcode()) {
>     SDValue Tmp = SimplifyBinOpWithSameOpcodeHands(N);
> -    if (Tmp.Val) return Tmp;
> +    if (Tmp.getNode()) return Tmp;
>   }
>
>   // fold (and (sign_extend_inreg x, i16 to i32), 1) -> (and x, 1)
> @@ -1738,7 +1738,7 @@
>       SimplifyDemandedBits(SDValue(N, 0)))
>     return SDValue(N, 0);
>   // fold (zext_inreg (extload x)) -> (zextload x)
> -  if (ISD::isEXTLoad(N0.Val) && ISD::isUNINDEXEDLoad(N0.Val)) {
> +  if (ISD::isEXTLoad(N0.getNode()) &&  
> ISD::isUNINDEXEDLoad(N0.getNode())) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
>     MVT EVT = LN0->getMemoryVT();
>     // If we zero all the possible extended bits, then we can turn  
> this into
> @@ -1754,12 +1754,12 @@
>                                          LN0->isVolatile(),
>                                          LN0->getAlignment());
>       AddToWorkList(N);
> -      CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
> +      CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
>       return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>     }
>   }
>   // fold (zext_inreg (sextload x)) -> (zextload x) iff load has one  
> use
> -  if (ISD::isSEXTLoad(N0.Val) && ISD::isUNINDEXEDLoad(N0.Val) &&
> +  if (ISD::isSEXTLoad(N0.getNode()) &&  
> ISD::isUNINDEXEDLoad(N0.getNode()) &&
>       N0.hasOneUse()) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
>     MVT EVT = LN0->getMemoryVT();
> @@ -1776,7 +1776,7 @@
>                                          LN0->isVolatile(),
>                                          LN0->getAlignment());
>       AddToWorkList(N);
> -      CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
> +      CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
>       return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>     }
>   }
> @@ -1813,13 +1813,13 @@
>                                DAG.getConstant(PtrOff, PtrType));
>           Alignment = MinAlign(Alignment, PtrOff);
>         }
> -        AddToWorkList(NewPtr.Val);
> +        AddToWorkList(NewPtr.getNode());
>         SDValue Load =
>           DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), NewPtr,
>                          LN0->getSrcValue(), LN0- 
> >getSrcValueOffset(), EVT,
>                          LN0->isVolatile(), Alignment);
>         AddToWorkList(N);
> -        CombineTo(N0.Val, Load, Load.getValue(1));
> +        CombineTo(N0.getNode(), Load, Load.getValue(1));
>         return SDValue(N, 0);   // Return N so it doesn't get  
> rechecked!
>       }
>     }
> @@ -1839,7 +1839,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (or x, undef) -> -1
> @@ -1862,10 +1862,10 @@
>     return N1;
>   // reassociate or
>   SDValue ROR = ReassociateOps(ISD::OR, N0, N1);
> -  if (ROR.Val != 0)
> +  if (ROR.getNode() != 0)
>     return ROR;
>   // Canonicalize (or (and X, c1), c2) -> (and (or X, c2), c1|c2)
> -  if (N1C && N0.getOpcode() == ISD::AND && N0.Val->hasOneUse() &&
> +  if (N1C && N0.getOpcode() == ISD::AND && N0.getNode()- 
> >hasOneUse() &&
>              isa<ConstantSDNode>(N0.getOperand(1))) {
>     ConstantSDNode *C1 = cast<ConstantSDNode>(N0.getOperand(1));
>     return DAG.getNode(ISD::AND, VT, DAG.getNode(ISD::OR, VT,  
> N0.getOperand(0),
> @@ -1885,7 +1885,7 @@
>       if (cast<ConstantSDNode>(LR)->isNullValue() &&
>           (Op1 == ISD::SETNE || Op1 == ISD::SETLT)) {
>         SDValue ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL,  
> RL);
> -        AddToWorkList(ORNode.Val);
> +        AddToWorkList(ORNode.getNode());
>         return DAG.getSetCC(VT, ORNode, LR, Op1);
>       }
>       // fold (X != -1) | (Y != -1) -> (X&Y != -1)
> @@ -1893,7 +1893,7 @@
>       if (cast<ConstantSDNode>(LR)->isAllOnesValue() &&
>           (Op1 == ISD::SETNE || Op1 == ISD::SETGT)) {
>         SDValue ANDNode = DAG.getNode(ISD::AND, LR.getValueType(),  
> LL, RL);
> -        AddToWorkList(ANDNode.Val);
> +        AddToWorkList(ANDNode.getNode());
>         return DAG.getSetCC(VT, ANDNode, LR, Op1);
>       }
>     }
> @@ -1913,7 +1913,7 @@
>   // Simplify: or (op x...), (op y...)  -> (op (or x, y))
>   if (N0.getOpcode() == N1.getOpcode()) {
>     SDValue Tmp = SimplifyBinOpWithSameOpcodeHands(N);
> -    if (Tmp.Val) return Tmp;
> +    if (Tmp.getNode()) return Tmp;
>   }
>
>   // (X & C1) | (Y & C2)  -> (X|Y) & C3  if possible.
> @@ -1922,7 +1922,7 @@
>       N0.getOperand(1).getOpcode() == ISD::Constant &&
>       N1.getOperand(1).getOpcode() == ISD::Constant &&
>       // Don't increase # computations.
> -      (N0.Val->hasOneUse() || N1.Val->hasOneUse())) {
> +      (N0.getNode()->hasOneUse() || N1.getNode()->hasOneUse())) {
>     // We can only do this xform if we know that bits from X that  
> are set in C2
>     // but not in C1 are already zero.  Likewise for Y.
>     const APInt &LHSMask =
> @@ -2023,14 +2023,14 @@
>       Rot = DAG.getNode(ISD::ROTR, VT, LHSShiftArg, RHSShiftAmt);
>
>     // If there is an AND of either shifted operand, apply it to the  
> result.
> -    if (LHSMask.Val || RHSMask.Val) {
> +    if (LHSMask.getNode() || RHSMask.getNode()) {
>       APInt Mask = APInt::getAllOnesValue(OpSizeInBits);
>
> -      if (LHSMask.Val) {
> +      if (LHSMask.getNode()) {
>         APInt RHSBits = APInt::getLowBitsSet(OpSizeInBits, LShVal);
>         Mask &= cast<ConstantSDNode>(LHSMask)->getAPIntValue() |  
> RHSBits;
>       }
> -      if (RHSMask.Val) {
> +      if (RHSMask.getNode()) {
>         APInt LHSBits = APInt::getHighBitsSet(OpSizeInBits, RShVal);
>         Mask &= cast<ConstantSDNode>(RHSMask)->getAPIntValue() |  
> LHSBits;
>       }
> @@ -2038,12 +2038,12 @@
>       Rot = DAG.getNode(ISD::AND, VT, Rot, DAG.getConstant(Mask, VT));
>     }
>
> -    return Rot.Val;
> +    return Rot.getNode();
>   }
>
>   // If there is a mask here, and we have a variable shift, we can't  
> be sure
>   // that we're masking out the right stuff.
> -  if (LHSMask.Val || RHSMask.Val)
> +  if (LHSMask.getNode() || RHSMask.getNode())
>     return 0;
>
>   // fold (or (shl x, y), (srl x, (sub 32, y))) -> (rotl x, y)
> @@ -2054,9 +2054,9 @@
>           dyn_cast<ConstantSDNode>(RHSShiftAmt.getOperand(0))) {
>       if (SUBC->getAPIntValue() == OpSizeInBits) {
>         if (HasROTL)
> -          return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).Val;
> +          return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).getNode();
>         else
> -          return DAG.getNode(ISD::ROTR, VT, LHSShiftArg,  
> RHSShiftAmt).Val;
> +          return DAG.getNode(ISD::ROTR, VT, LHSShiftArg,  
> RHSShiftAmt).getNode();
>       }
>     }
>   }
> @@ -2069,9 +2069,9 @@
>           dyn_cast<ConstantSDNode>(LHSShiftAmt.getOperand(0))) {
>       if (SUBC->getAPIntValue() == OpSizeInBits) {
>         if (HasROTL)
> -          return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).Val;
> +          return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).getNode();
>         else
> -          return DAG.getNode(ISD::ROTR, VT, LHSShiftArg,  
> RHSShiftAmt).Val;
> +          return DAG.getNode(ISD::ROTR, VT, LHSShiftArg,  
> RHSShiftAmt).getNode();
>       }
>     }
>   }
> @@ -2094,9 +2094,9 @@
>       if (ConstantSDNode *SUBC =  
> cast<ConstantSDNode>(RExtOp0.getOperand(0))) {
>         if (SUBC->getAPIntValue() == OpSizeInBits) {
>           if (HasROTL)
> -            return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).Val;
> +            return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).getNode();
>           else
> -            return DAG.getNode(ISD::ROTR, VT, LHSShiftArg,  
> RHSShiftAmt).Val;
> +            return DAG.getNode(ISD::ROTR, VT, LHSShiftArg,  
> RHSShiftAmt).getNode();
>         }
>       }
>     } else if (LExtOp0.getOpcode() == ISD::SUB &&
> @@ -2108,9 +2108,9 @@
>       if (ConstantSDNode *SUBC =  
> cast<ConstantSDNode>(LExtOp0.getOperand(0))) {
>         if (SUBC->getAPIntValue() == OpSizeInBits) {
>           if (HasROTL)
> -            return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> RHSShiftAmt).Val;
> +            return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> RHSShiftAmt).getNode();
>           else
> -            return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).Val;
> +            return DAG.getNode(ISD::ROTL, VT, LHSShiftArg,  
> LHSShiftAmt).getNode();
>         }
>       }
>     }
> @@ -2131,7 +2131,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (xor undef, undef) -> 0. This is a common idiom (misuse).
> @@ -2153,7 +2153,7 @@
>     return N0;
>   // reassociate xor
>   SDValue RXOR = ReassociateOps(ISD::XOR, N0, N1);
> -  if (RXOR.Val != 0)
> +  if (RXOR.getNode() != 0)
>     return RXOR;
>   // fold !(x cc y) -> (x !cc y)
>   if (N1C && N1C->getAPIntValue() == 1 && isSetCCEquivalent(N0, LHS,  
> RHS, CC)) {
> @@ -2169,11 +2169,11 @@
>   }
>   // fold (not (zext (setcc x, y))) -> (zext (not (setcc x, y)))
>   if (N1C && N1C->getAPIntValue() == 1 && N0.getOpcode() ==  
> ISD::ZERO_EXTEND &&
> -      N0.Val->hasOneUse() && isSetCCEquivalent(N0.getOperand(0),  
> LHS, RHS, CC)){
> +      N0.getNode()->hasOneUse() &&  
> isSetCCEquivalent(N0.getOperand(0), LHS, RHS, CC)){
>     SDValue V = N0.getOperand(0);
>     V = DAG.getNode(ISD::XOR, V.getValueType(), V,
>                     DAG.getConstant(1, V.getValueType()));
> -    AddToWorkList(V.Val);
> +    AddToWorkList(V.getNode());
>     return DAG.getNode(ISD::ZERO_EXTEND, VT, V);
>   }
>
> @@ -2185,7 +2185,7 @@
>       unsigned NewOpcode = N0.getOpcode() == ISD::AND ? ISD::OR :  
> ISD::AND;
>       LHS = DAG.getNode(ISD::XOR, VT, LHS, N1);  // RHS = ~LHS
>       RHS = DAG.getNode(ISD::XOR, VT, RHS, N1);  // RHS = ~RHS
> -      AddToWorkList(LHS.Val); AddToWorkList(RHS.Val);
> +      AddToWorkList(LHS.getNode()); AddToWorkList(RHS.getNode());
>       return DAG.getNode(NewOpcode, VT, LHS, RHS);
>     }
>   }
> @@ -2197,7 +2197,7 @@
>       unsigned NewOpcode = N0.getOpcode() == ISD::AND ? ISD::OR :  
> ISD::AND;
>       LHS = DAG.getNode(ISD::XOR, VT, LHS, N1);  // RHS = ~LHS
>       RHS = DAG.getNode(ISD::XOR, VT, RHS, N1);  // RHS = ~RHS
> -      AddToWorkList(LHS.Val); AddToWorkList(RHS.Val);
> +      AddToWorkList(LHS.getNode()); AddToWorkList(RHS.getNode());
>       return DAG.getNode(NewOpcode, VT, LHS, RHS);
>     }
>   }
> @@ -2229,7 +2229,7 @@
>   // Simplify: xor (op x...), (op y...)  -> (op (xor x, y))
>   if (N0.getOpcode() == N1.getOpcode()) {
>     SDValue Tmp = SimplifyBinOpWithSameOpcodeHands(N);
> -    if (Tmp.Val) return Tmp;
> +    if (Tmp.getNode()) return Tmp;
>   }
>
>   // Simplify the expression using non-local knowledge.
> @@ -2243,7 +2243,7 @@
> /// visitShiftByConstant - Handle transforms common to the three  
> shifts, when
> /// the shift amount is a constant.
> SDValue DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) {
> -  SDNode *LHS = N->getOperand(0).Val;
> +  SDNode *LHS = N->getOperand(0).getNode();
>   if (!LHS->hasOneUse()) return SDValue();
>
>   // We want to pull some binops through shifts, so that we have  
> (and (shift))
> @@ -2278,7 +2278,7 @@
>   //
>   //void foo(int *X, int i) { X[i & 1235] = 1; }
>   //int bar(int *X, int i) { return X[i & 255]; }
> -  SDNode *BinOpLHSVal = LHS->getOperand(0).Val;
> +  SDNode *BinOpLHSVal = LHS->getOperand(0).getNode();
>   if ((BinOpLHSVal->getOpcode() != ISD::SHL &&
>        BinOpLHSVal->getOpcode() != ISD::SRA &&
>        BinOpLHSVal->getOpcode() != ISD::SRL) ||
> @@ -2502,7 +2502,7 @@
>       return DAG.getNode(ISD::UNDEF, VT);
>
>     SDValue SmallShift = DAG.getNode(ISD::SRL, SmallVT,  
> N0.getOperand(0), N1);
> -    AddToWorkList(SmallShift.Val);
> +    AddToWorkList(SmallShift.getNode());
>     return DAG.getNode(ISD::ANY_EXTEND, VT, SmallShift);
>   }
>
> @@ -2540,7 +2540,7 @@
>       if (ShAmt) {
>         Op = DAG.getNode(ISD::SRL, VT, Op,
>                          DAG.getConstant(ShAmt,  
> TLI.getShiftAmountTy()));
> -        AddToWorkList(Op.Val);
> +        AddToWorkList(Op.getNode());
>       }
>       return DAG.getNode(ISD::XOR, VT, Op, DAG.getConstant(1, VT));
>     }
> @@ -2612,7 +2612,7 @@
>     SDValue XORNode = DAG.getNode(ISD::XOR, VT0, N0,  
> DAG.getConstant(1, VT0));
>     if (VT == VT0)
>       return XORNode;
> -    AddToWorkList(XORNode.Val);
> +    AddToWorkList(XORNode.getNode());
>     if (VT.bitsGT(VT0))
>       return DAG.getNode(ISD::ZERO_EXTEND, VT, XORNode);
>     return DAG.getNode(ISD::TRUNCATE, VT, XORNode);
> @@ -2620,13 +2620,13 @@
>   // fold select C, 0, X -> ~C & X
>   if (VT == VT0 && VT == MVT::i1 && N1C && N1C->isNullValue()) {
>     SDValue XORNode = DAG.getNode(ISD::XOR, VT, N0,  
> DAG.getConstant(1, VT));
> -    AddToWorkList(XORNode.Val);
> +    AddToWorkList(XORNode.getNode());
>     return DAG.getNode(ISD::AND, VT, XORNode, N2);
>   }
>   // fold select C, X, 1 -> ~C | X
>   if (VT == VT0 && VT == MVT::i1 && N2C && N2C->getAPIntValue() ==  
> 1) {
>     SDValue XORNode = DAG.getNode(ISD::XOR, VT, N0,  
> DAG.getConstant(1, VT));
> -    AddToWorkList(XORNode.Val);
> +    AddToWorkList(XORNode.getNode());
>     return DAG.getNode(ISD::OR, VT, XORNode, N1);
>   }
>   // fold select C, X, 0 -> C & X
> @@ -2673,9 +2673,9 @@
>
>   // Determine if the condition we're dealing with is constant
>   SDValue SCC = SimplifySetCC(TLI.getSetCCResultType(N0), N0, N1,  
> CC, false);
> -  if (SCC.Val) AddToWorkList(SCC.Val);
> +  if (SCC.getNode()) AddToWorkList(SCC.getNode());
>
> -  if (ConstantSDNode *SCCC =  
> dyn_cast_or_null<ConstantSDNode>(SCC.Val)) {
> +  if (ConstantSDNode *SCCC =  
> dyn_cast_or_null<ConstantSDNode>(SCC.getNode())) {
>     if (!SCCC->isNullValue())
>       return N2;    // cond always true -> true val
>     else
> @@ -2683,7 +2683,7 @@
>   }
>
>   // Fold to a simpler select_cc
> -  if (SCC.Val && SCC.getOpcode() == ISD::SETCC)
> +  if (SCC.getNode() && SCC.getOpcode() == ISD::SETCC)
>     return DAG.getNode(ISD::SELECT_CC, N2.getValueType(),
>                        SCC.getOperand(0), SCC.getOperand(1), N2, N3,
>                        SCC.getOperand(2));
> @@ -2711,7 +2711,7 @@
>                                     TargetLowering &TLI) {
>   bool HasCopyToRegUses = false;
>   bool isTruncFree = TLI.isTruncateFree(N->getValueType(0),  
> N0.getValueType());
> -  for (SDNode::use_iterator UI = N0.Val->use_begin(), UE = N0.Val- 
> >use_end();
> +  for (SDNode::use_iterator UI = N0.getNode()->use_begin(), UE =  
> N0.getNode()->use_end();
>        UI != UE; ++UI) {
>     SDNode *User = *UI;
>     if (User == N)
> @@ -2755,7 +2755,7 @@
>       SDNode *User = *UI;
>       for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
>         SDValue UseOp = User->getOperand(i);
> -        if (UseOp.Val == N && UseOp.getResNo() == 0) {
> +        if (UseOp.getNode() == N && UseOp.getResNo() == 0) {
>           BothLiveOut = true;
>           break;
>         }
> @@ -2785,10 +2785,10 @@
>   if (N0.getOpcode() == ISD::TRUNCATE) {
>     // fold (sext (truncate (load x))) -> (sext (smaller load x))
>     // fold (sext (truncate (srl (load x), c))) -> (sext (smaller  
> load (x+c/n)))
> -    SDValue NarrowLoad = ReduceLoadWidth(N0.Val);
> -    if (NarrowLoad.Val) {
> -      if (NarrowLoad.Val != N0.Val)
> -        CombineTo(N0.Val, NarrowLoad);
> +    SDValue NarrowLoad = ReduceLoadWidth(N0.getNode());
> +    if (NarrowLoad.getNode()) {
> +      if (NarrowLoad.getNode() != N0.getNode())
> +        CombineTo(N0.getNode(), NarrowLoad);
>       return DAG.getNode(ISD::SIGN_EXTEND, VT, NarrowLoad);
>     }
>
> @@ -2830,7 +2830,7 @@
>   }
>
>   // fold (sext (load x)) -> (sext (truncate (sextload x)))
> -  if (ISD::isNON_EXTLoad(N0.Val) &&
> +  if (ISD::isNON_EXTLoad(N0.getNode()) &&
>       ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) ||
>        TLI.isLoadXLegal(ISD::SEXTLOAD, N0.getValueType()))) {
>     bool DoXform = true;
> @@ -2847,7 +2847,7 @@
>                                          LN0->getAlignment());
>       CombineTo(N, ExtLoad);
>       SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getValueType(),  
> ExtLoad);
> -      CombineTo(N0.Val, Trunc, ExtLoad.getValue(1));
> +      CombineTo(N0.getNode(), Trunc, ExtLoad.getValue(1));
>       // Extend SetCC uses if necessary.
>       for (unsigned i = 0, e = SetCCs.size(); i != e; ++i) {
>         SDNode *SetCC = SetCCs[i];
> @@ -2869,8 +2869,8 @@
>
>   // fold (sext (sextload x)) -> (sext (truncate (sextload x)))
>   // fold (sext ( extload x)) -> (sext (truncate (sextload x)))
> -  if ((ISD::isSEXTLoad(N0.Val) || ISD::isEXTLoad(N0.Val)) &&
> -      ISD::isUNINDEXEDLoad(N0.Val) && N0.hasOneUse()) {
> +  if ((ISD::isSEXTLoad(N0.getNode()) ||  
> ISD::isEXTLoad(N0.getNode())) &&
> +      ISD::isUNINDEXEDLoad(N0.getNode()) && N0.hasOneUse()) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
>     MVT EVT = LN0->getMemoryVT();
>     if ((!AfterLegalize && !LN0->isVolatile()) ||
> @@ -2881,7 +2881,7 @@
>                                          LN0->isVolatile(),
>                                          LN0->getAlignment());
>       CombineTo(N, ExtLoad);
> -      CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE,  
> N0.getValueType(), ExtLoad),
> +      CombineTo(N0.getNode(), DAG.getNode(ISD::TRUNCATE,  
> N0.getValueType(), ExtLoad),
>                 ExtLoad.getValue(1));
>       return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>     }
> @@ -2893,7 +2893,7 @@
>       SimplifySelectCC(N0.getOperand(0), N0.getOperand(1),
>                        DAG.getConstant(~0ULL, VT),  
> DAG.getConstant(0, VT),
>                        cast<CondCodeSDNode>(N0.getOperand(2))- 
> >get(), true);
> -    if (SCC.Val) return SCC;
> +    if (SCC.getNode()) return SCC;
>   }
>
>   // fold (sext x) -> (zext x) if the sign bit is known zero.
> @@ -2919,10 +2919,10 @@
>   // fold (zext (truncate (load x))) -> (zext (smaller load x))
>   // fold (zext (truncate (srl (load x), c))) -> (zext (small load (x 
> +c/n)))
>   if (N0.getOpcode() == ISD::TRUNCATE) {
> -    SDValue NarrowLoad = ReduceLoadWidth(N0.Val);
> -    if (NarrowLoad.Val) {
> -      if (NarrowLoad.Val != N0.Val)
> -        CombineTo(N0.Val, NarrowLoad);
> +    SDValue NarrowLoad = ReduceLoadWidth(N0.getNode());
> +    if (NarrowLoad.getNode()) {
> +      if (NarrowLoad.getNode() != N0.getNode())
> +        CombineTo(N0.getNode(), NarrowLoad);
>       return DAG.getNode(ISD::ZERO_EXTEND, VT, NarrowLoad);
>     }
>   }
> @@ -2955,7 +2955,7 @@
>   }
>
>   // fold (zext (load x)) -> (zext (truncate (zextload x)))
> -  if (ISD::isNON_EXTLoad(N0.Val) &&
> +  if (ISD::isNON_EXTLoad(N0.getNode()) &&
>       ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) ||
>        TLI.isLoadXLegal(ISD::ZEXTLOAD, N0.getValueType()))) {
>     bool DoXform = true;
> @@ -2972,7 +2972,7 @@
>                                          LN0->getAlignment());
>       CombineTo(N, ExtLoad);
>       SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getValueType(),  
> ExtLoad);
> -      CombineTo(N0.Val, Trunc, ExtLoad.getValue(1));
> +      CombineTo(N0.getNode(), Trunc, ExtLoad.getValue(1));
>       // Extend SetCC uses if necessary.
>       for (unsigned i = 0, e = SetCCs.size(); i != e; ++i) {
>         SDNode *SetCC = SetCCs[i];
> @@ -2994,8 +2994,8 @@
>
>   // fold (zext (zextload x)) -> (zext (truncate (zextload x)))
>   // fold (zext ( extload x)) -> (zext (truncate (zextload x)))
> -  if ((ISD::isZEXTLoad(N0.Val) || ISD::isEXTLoad(N0.Val)) &&
> -      ISD::isUNINDEXEDLoad(N0.Val) && N0.hasOneUse()) {
> +  if ((ISD::isZEXTLoad(N0.getNode()) ||  
> ISD::isEXTLoad(N0.getNode())) &&
> +      ISD::isUNINDEXEDLoad(N0.getNode()) && N0.hasOneUse()) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
>     MVT EVT = LN0->getMemoryVT();
>     if ((!AfterLegalize && !LN0->isVolatile()) ||
> @@ -3006,7 +3006,7 @@
>                                          LN0->isVolatile(),
>                                          LN0->getAlignment());
>       CombineTo(N, ExtLoad);
> -      CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE,  
> N0.getValueType(), ExtLoad),
> +      CombineTo(N0.getNode(), DAG.getNode(ISD::TRUNCATE,  
> N0.getValueType(), ExtLoad),
>                 ExtLoad.getValue(1));
>       return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>     }
> @@ -3018,7 +3018,7 @@
>       SimplifySelectCC(N0.getOperand(0), N0.getOperand(1),
>                        DAG.getConstant(1, VT), DAG.getConstant(0, VT),
>                        cast<CondCodeSDNode>(N0.getOperand(2))- 
> >get(), true);
> -    if (SCC.Val) return SCC;
> +    if (SCC.getNode()) return SCC;
>   }
>
>   return SDValue();
> @@ -3042,10 +3042,10 @@
>   // fold (aext (truncate (load x))) -> (aext (smaller load x))
>   // fold (aext (truncate (srl (load x), c))) -> (aext (small load (x 
> +c/n)))
>   if (N0.getOpcode() == ISD::TRUNCATE) {
> -    SDValue NarrowLoad = ReduceLoadWidth(N0.Val);
> -    if (NarrowLoad.Val) {
> -      if (NarrowLoad.Val != N0.Val)
> -        CombineTo(N0.Val, NarrowLoad);
> +    SDValue NarrowLoad = ReduceLoadWidth(N0.getNode());
> +    if (NarrowLoad.getNode()) {
> +      if (NarrowLoad.getNode() != N0.getNode())
> +        CombineTo(N0.getNode(), NarrowLoad);
>       return DAG.getNode(ISD::ANY_EXTEND, VT, NarrowLoad);
>     }
>   }
> @@ -3076,7 +3076,7 @@
>   }
>
>   // fold (aext (load x)) -> (aext (truncate (extload x)))
> -  if (ISD::isNON_EXTLoad(N0.Val) && N0.hasOneUse() &&
> +  if (ISD::isNON_EXTLoad(N0.getNode()) && N0.hasOneUse() &&
>       ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) ||
>        TLI.isLoadXLegal(ISD::EXTLOAD, N0.getValueType()))) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
> @@ -3088,7 +3088,7 @@
>                                        LN0->getAlignment());
>     CombineTo(N, ExtLoad);
>     // Redirect any chain users to the new load.
> -    DAG.ReplaceAllUsesOfValueWith(SDValue(LN0, 1),  
> SDValue(ExtLoad.Val, 1));
> +    DAG.ReplaceAllUsesOfValueWith(SDValue(LN0, 1),  
> SDValue(ExtLoad.getNode(), 1));
>     // If any node needs the original loaded value, recompute it.
>     if (!LN0->use_empty())
>       CombineTo(LN0, DAG.getNode(ISD::TRUNCATE, N0.getValueType(),  
> ExtLoad),
> @@ -3100,7 +3100,7 @@
>   // fold (aext (sextload x)) -> (aext (truncate (sextload x)))
>   // fold (aext ( extload x)) -> (aext (truncate (extload  x)))
>   if (N0.getOpcode() == ISD::LOAD &&
> -      !ISD::isNON_EXTLoad(N0.Val) && ISD::isUNINDEXEDLoad(N0.Val) &&
> +      !ISD::isNON_EXTLoad(N0.getNode()) &&  
> ISD::isUNINDEXEDLoad(N0.getNode()) &&
>       N0.hasOneUse()) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
>     MVT EVT = LN0->getMemoryVT();
> @@ -3111,7 +3111,7 @@
>                                        LN0->isVolatile(),
>                                        LN0->getAlignment());
>     CombineTo(N, ExtLoad);
> -    CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(),  
> ExtLoad),
> +    CombineTo(N0.getNode(), DAG.getNode(ISD::TRUNCATE,  
> N0.getValueType(), ExtLoad),
>               ExtLoad.getValue(1));
>     return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>   }
> @@ -3122,7 +3122,7 @@
>       SimplifySelectCC(N0.getOperand(0), N0.getOperand(1),
>                        DAG.getConstant(1, VT), DAG.getConstant(0, VT),
>                        cast<CondCodeSDNode>(N0.getOperand(2))- 
> >get(), true);
> -    if (SCC.Val)
> +    if (SCC.getNode())
>       return SCC;
>   }
>
> @@ -3145,14 +3145,14 @@
>     break;
>   case ISD::SRL:
>     // Only look at single-use SRLs.
> -    if (!V.Val->hasOneUse())
> +    if (!V.getNode()->hasOneUse())
>       break;
>     if (ConstantSDNode *RHSC =  
> dyn_cast<ConstantSDNode>(V.getOperand(1))) {
>       // See if we can recursively simplify the LHS.
>       unsigned Amt = RHSC->getValue();
>       APInt NewMask = Mask << Amt;
>       SDValue SimplifyLHS = GetDemandedBits(V.getOperand(0), NewMask);
> -      if (SimplifyLHS.Val) {
> +      if (SimplifyLHS.getNode()) {
>         return DAG.getNode(ISD::SRL, V.getValueType(),
>                            SimplifyLHS, V.getOperand(1));
>       }
> @@ -3221,7 +3221,7 @@
>     unsigned NewAlign = MinAlign(LN0->getAlignment(), PtrOff);
>     SDValue NewPtr = DAG.getNode(ISD::ADD, PtrType, LN0->getBasePtr(),
>                                    DAG.getConstant(PtrOff, PtrType));
> -    AddToWorkList(NewPtr.Val);
> +    AddToWorkList(NewPtr.getNode());
>     SDValue Load = (ExtType == ISD::NON_EXTLOAD)
>       ? DAG.getLoad(VT, LN0->getChain(), NewPtr,
>                     LN0->getSrcValue(), LN0->getSrcValueOffset() +  
> PtrOff,
> @@ -3234,9 +3234,9 @@
>       WorkListRemover DeadNodes(*this);
>       DAG.ReplaceAllUsesOfValueWith(N0.getValue(1), Load.getValue(1),
>                                     &DeadNodes);
> -      CombineTo(N->getOperand(0).Val, Load);
> +      CombineTo(N->getOperand(0).getNode(), Load);
>     } else
> -      CombineTo(N0.Val, Load, Load.getValue(1));
> +      CombineTo(N0.getNode(), Load, Load.getValue(1));
>     if (ShAmt) {
>       if (Opc == ISD::SIGN_EXTEND_INREG)
>         return DAG.getNode(Opc, VT, Load, N->getOperand(1));
> @@ -3293,7 +3293,7 @@
>   // fold (sext_in_reg (load x)) -> (smaller sextload x)
>   // fold (sext_in_reg (srl (load x), c)) -> (smaller sextload (x+c/ 
> evtbits))
>   SDValue NarrowLoad = ReduceLoadWidth(N);
> -  if (NarrowLoad.Val)
> +  if (NarrowLoad.getNode())
>     return NarrowLoad;
>
>   // fold (sext_in_reg (srl X, 24), i8) -> sra X, 24
> @@ -3311,8 +3311,8 @@
>   }
>
>   // fold (sext_inreg (extload x)) -> (sextload x)
> -  if (ISD::isEXTLoad(N0.Val) &&
> -      ISD::isUNINDEXEDLoad(N0.Val) &&
> +  if (ISD::isEXTLoad(N0.getNode()) &&
> +      ISD::isUNINDEXEDLoad(N0.getNode()) &&
>       EVT == cast<LoadSDNode>(N0)->getMemoryVT() &&
>       ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) ||
>        TLI.isLoadXLegal(ISD::SEXTLOAD, EVT))) {
> @@ -3323,11 +3323,11 @@
>                                        LN0->isVolatile(),
>                                        LN0->getAlignment());
>     CombineTo(N, ExtLoad);
> -    CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
> +    CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
>     return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>   }
>   // fold (sext_inreg (zextload x)) -> (sextload x) iff load has one  
> use
> -  if (ISD::isZEXTLoad(N0.Val) && ISD::isUNINDEXEDLoad(N0.Val) &&
> +  if (ISD::isZEXTLoad(N0.getNode()) &&  
> ISD::isUNINDEXEDLoad(N0.getNode()) &&
>       N0.hasOneUse() &&
>       EVT == cast<LoadSDNode>(N0)->getMemoryVT() &&
>       ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) ||
> @@ -3339,7 +3339,7 @@
>                                        LN0->isVolatile(),
>                                        LN0->getAlignment());
>     CombineTo(N, ExtLoad);
> -    CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
> +    CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
>     return SDValue(N, 0);   // Return N so it doesn't get rechecked!
>   }
>   return SDValue();
> @@ -3379,7 +3379,7 @@
>   SDValue Shorter =
>     GetDemandedBits(N0, APInt::getLowBitsSet(N0.getValueSizeInBits(),
>                                              VT.getSizeInBits()));
> -  if (Shorter.Val)
> +  if (Shorter.getNode())
>     return DAG.getNode(ISD::TRUNCATE, VT, Shorter);
>
>   // fold (truncate (load x)) -> (smaller load x)
> @@ -3390,8 +3390,8 @@
> static SDNode *getBuildPairElt(SDNode *N, unsigned i) {
>   SDValue Elt = N->getOperand(i);
>   if (Elt.getOpcode() != ISD::MERGE_VALUES)
> -    return Elt.Val;
> -  return Elt.getOperand(Elt.getResNo()).Val;
> +    return Elt.getNode();
> +  return Elt.getOperand(Elt.getResNo()).getNode();
> }
>
> /// CombineConsecutiveLoads - build_pair (load, load) -> load
> @@ -3434,7 +3434,7 @@
>   // on the bitconvert.
>   // First check to see if this is all constant.
>   if (!AfterLegalize &&
> -      N0.getOpcode() == ISD::BUILD_VECTOR && N0.Val->hasOneUse() &&
> +      N0.getOpcode() == ISD::BUILD_VECTOR && N0.getNode()- 
> >hasOneUse() &&
>       VT.isVector()) {
>     bool isSimple = true;
>     for (unsigned i = 0, e = N0.getNumOperands(); i != e; ++i)
> @@ -3449,14 +3449,14 @@
>     assert(!DestEltVT.isVector() &&
>            "Element type of vector ValueType must not be vector!");
>     if (isSimple) {
> -      return ConstantFoldBIT_CONVERTofBUILD_VECTOR(N0.Val,  
> DestEltVT);
> +      return ConstantFoldBIT_CONVERTofBUILD_VECTOR(N0.getNode(),  
> DestEltVT);
>     }
>   }
>
>   // If the input is a constant, let getNode() fold it.
>   if (isa<ConstantSDNode>(N0) || isa<ConstantFPSDNode>(N0)) {
>     SDValue Res = DAG.getNode(ISD::BIT_CONVERT, VT, N0);
> -    if (Res.Val != N) return Res;
> +    if (Res.getNode() != N) return Res;
>   }
>
>   if (N0.getOpcode() == ISD::BIT_CONVERT)  // conv(conv(x,t1),t2) ->  
> conv(x,t2)
> @@ -3464,7 +3464,7 @@
>
>   // fold (conv (load x)) -> (load (conv*)x)
>   // If the resultant load doesn't need a higher alignment than the  
> original!
> -  if (ISD::isNormalLoad(N0.Val) && N0.hasOneUse() &&
> +  if (ISD::isNormalLoad(N0.getNode()) && N0.hasOneUse() &&
>       // Do not change the width of a volatile load.
>       !cast<LoadSDNode>(N0)->isVolatile() &&
>       (!AfterLegalize || TLI.isOperationLegal(ISD::LOAD, VT))) {
> @@ -3477,7 +3477,7 @@
>                                    LN0->getSrcValue(), LN0- 
> >getSrcValueOffset(),
>                                    LN0->isVolatile(), OrigAlign);
>       AddToWorkList(N);
> -      CombineTo(N0.Val, DAG.getNode(ISD::BIT_CONVERT,  
> N0.getValueType(), Load),
> +      CombineTo(N0.getNode(), DAG.getNode(ISD::BIT_CONVERT,  
> N0.getValueType(), Load),
>                 Load.getValue(1));
>       return Load;
>     }
> @@ -3487,9 +3487,9 @@
>   // Fold bitconvert(fabs(x)) -> and(bitconvert(x), ~signbit)
>   // This often reduces constant pool loads.
>   if ((N0.getOpcode() == ISD::FNEG || N0.getOpcode() == ISD::FABS) &&
> -      N0.Val->hasOneUse() && VT.isInteger() && !VT.isVector()) {
> +      N0.getNode()->hasOneUse() && VT.isInteger() && ! 
> VT.isVector()) {
>     SDValue NewConv = DAG.getNode(ISD::BIT_CONVERT, VT,  
> N0.getOperand(0));
> -    AddToWorkList(NewConv.Val);
> +    AddToWorkList(NewConv.getNode());
>
>     APInt SignBit = APInt::getSignBit(VT.getSizeInBits());
>     if (N0.getOpcode() == ISD::FNEG)
> @@ -3501,45 +3501,45 @@
>   // Fold bitconvert(fcopysign(cst, x)) -> bitconvert(x)&sign |  
> cst&~sign'
>   // Note that we don't handle copysign(x,cst) because this can  
> always be folded
>   // to an fneg or fabs.
> -  if (N0.getOpcode() == ISD::FCOPYSIGN && N0.Val->hasOneUse() &&
> +  if (N0.getOpcode() == ISD::FCOPYSIGN && N0.getNode()->hasOneUse()  
> &&
>       isa<ConstantFPSDNode>(N0.getOperand(0)) &&
>       VT.isInteger() && !VT.isVector()) {
>     unsigned OrigXWidth =  
> N0.getOperand(1).getValueType().getSizeInBits();
>     SDValue X = DAG.getNode(ISD::BIT_CONVERT,
>                               MVT::getIntegerVT(OrigXWidth),
>                               N0.getOperand(1));
> -    AddToWorkList(X.Val);
> +    AddToWorkList(X.getNode());
>
>     // If X has a different width than the result/lhs, sext it or  
> truncate it.
>     unsigned VTWidth = VT.getSizeInBits();
>     if (OrigXWidth < VTWidth) {
>       X = DAG.getNode(ISD::SIGN_EXTEND, VT, X);
> -      AddToWorkList(X.Val);
> +      AddToWorkList(X.getNode());
>     } else if (OrigXWidth > VTWidth) {
>       // To get the sign bit in the right place, we have to shift it  
> right
>       // before truncating.
>       X = DAG.getNode(ISD::SRL, X.getValueType(), X,
>                       DAG.getConstant(OrigXWidth-VTWidth,  
> X.getValueType()));
> -      AddToWorkList(X.Val);
> +      AddToWorkList(X.getNode());
>       X = DAG.getNode(ISD::TRUNCATE, VT, X);
> -      AddToWorkList(X.Val);
> +      AddToWorkList(X.getNode());
>     }
>
>     APInt SignBit = APInt::getSignBit(VT.getSizeInBits());
>     X = DAG.getNode(ISD::AND, VT, X, DAG.getConstant(SignBit, VT));
> -    AddToWorkList(X.Val);
> +    AddToWorkList(X.getNode());
>
>     SDValue Cst = DAG.getNode(ISD::BIT_CONVERT, VT, N0.getOperand(0));
>     Cst = DAG.getNode(ISD::AND, VT, Cst, DAG.getConstant(~SignBit,  
> VT));
> -    AddToWorkList(Cst.Val);
> +    AddToWorkList(Cst.getNode());
>
>     return DAG.getNode(ISD::OR, VT, X, Cst);
>   }
>
>   // bitconvert(build_pair(ld, ld)) -> ld iff load locations are  
> consecutive.
>   if (N0.getOpcode() == ISD::BUILD_PAIR) {
> -    SDValue CombineLD = CombineConsecutiveLoads(N0.Val, VT);
> -    if (CombineLD.Val)
> +    SDValue CombineLD = CombineConsecutiveLoads(N0.getNode(), VT);
> +    if (CombineLD.getNode())
>       return CombineLD;
>   }
>
> @@ -3570,7 +3570,7 @@
>     SmallVector<SDValue, 8> Ops;
>     for (unsigned i = 0, e = BV->getNumOperands(); i != e; ++i) {
>       Ops.push_back(DAG.getNode(ISD::BIT_CONVERT, DstEltVT, BV- 
> >getOperand(i)));
> -      AddToWorkList(Ops.back().Val);
> +      AddToWorkList(Ops.back().getNode());
>     }
>     MVT VT = MVT::getVectorVT(DstEltVT,
>                               BV- 
> >getValueType(0).getVectorNumElements());
> @@ -3585,7 +3585,7 @@
>     // same sizes.
>     assert((SrcEltVT == MVT::f32 || SrcEltVT == MVT::f64) &&  
> "Unknown FP VT!");
>     MVT IntVT = MVT::getIntegerVT(SrcEltVT.getSizeInBits());
> -    BV = ConstantFoldBIT_CONVERTofBUILD_VECTOR(BV, IntVT).Val;
> +    BV = ConstantFoldBIT_CONVERTofBUILD_VECTOR(BV, IntVT).getNode();
>     SrcEltVT = IntVT;
>   }
>
> @@ -3594,7 +3594,7 @@
>   if (DstEltVT.isFloatingPoint()) {
>     assert((DstEltVT == MVT::f32 || DstEltVT == MVT::f64) &&  
> "Unknown FP VT!");
>     MVT TmpVT = MVT::getIntegerVT(DstEltVT.getSizeInBits());
> -    SDNode *Tmp = ConstantFoldBIT_CONVERTofBUILD_VECTOR(BV,  
> TmpVT).Val;
> +    SDNode *Tmp = ConstantFoldBIT_CONVERTofBUILD_VECTOR(BV,  
> TmpVT).getNode();
>
>     // Next, convert to FP elements of the same size.
>     return ConstantFoldBIT_CONVERTofBUILD_VECTOR(Tmp, DstEltVT);
> @@ -3674,7 +3674,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (fadd c1, c2) -> c1+c2
> @@ -3694,7 +3694,7 @@
>
>   // If allowed, fold (fadd (fadd x, c1), c2) -> (fadd x, (fadd c1,  
> c2))
>   if (UnsafeFPMath && N1CFP && N0.getOpcode() == ISD::FADD &&
> -      N0.Val->hasOneUse() && isa<ConstantFPSDNode>(N0.getOperand(1)))
> +      N0.getNode()->hasOneUse() &&  
> isa<ConstantFPSDNode>(N0.getOperand(1)))
>     return DAG.getNode(ISD::FADD, VT, N0.getOperand(0),
>                        DAG.getNode(ISD::FADD, VT, N0.getOperand(1),  
> N1));
>
> @@ -3711,7 +3711,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (fsub c1, c2) -> c1-c2
> @@ -3741,7 +3741,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (fmul c1, c2) -> c1*c2
> @@ -3771,7 +3771,7 @@
>
>   // If allowed, fold (fmul (fmul x, c1), c2) -> (fmul x, (fmul c1,  
> c2))
>   if (UnsafeFPMath && N1CFP && N0.getOpcode() == ISD::FMUL &&
> -      N0.Val->hasOneUse() && isa<ConstantFPSDNode>(N0.getOperand(1)))
> +      N0.getNode()->hasOneUse() &&  
> isa<ConstantFPSDNode>(N0.getOperand(1)))
>     return DAG.getNode(ISD::FMUL, VT, N0.getOperand(0),
>                        DAG.getNode(ISD::FMUL, VT, N0.getOperand(1),  
> N1));
>
> @@ -3788,7 +3788,7 @@
>   // fold vector ops
>   if (VT.isVector()) {
>     SDValue FoldedVOp = SimplifyVBinOp(N);
> -    if (FoldedVOp.Val) return FoldedVOp;
> +    if (FoldedVOp.getNode()) return FoldedVOp;
>   }
>
>   // fold (fdiv c1, c2) -> c1/c2
> @@ -3955,15 +3955,15 @@
>   if (N0.getOpcode() == ISD::FP_ROUND) {
>     // This is a value preserving truncation if both round's are.
>     bool IsTrunc = N->getConstantOperandVal(1) == 1 &&
> -                   N0.Val->getConstantOperandVal(1) == 1;
> +                   N0.getNode()->getConstantOperandVal(1) == 1;
>     return DAG.getNode(ISD::FP_ROUND, VT, N0.getOperand(0),
>                        DAG.getIntPtrConstant(IsTrunc));
>   }
>
>   // fold (fp_round (copysign X, Y)) -> (copysign (fp_round X), Y)
> -  if (N0.getOpcode() == ISD::FCOPYSIGN && N0.Val->hasOneUse()) {
> +  if (N0.getOpcode() == ISD::FCOPYSIGN && N0.getNode()- 
> >hasOneUse()) {
>     SDValue Tmp = DAG.getNode(ISD::FP_ROUND, VT, N0.getOperand(0),  
> N1);
> -    AddToWorkList(Tmp.Val);
> +    AddToWorkList(Tmp.getNode());
>     return DAG.getNode(ISD::FCOPYSIGN, VT, Tmp, N0.getOperand(1));
>   }
>
> @@ -4000,7 +4000,7 @@
>
>   // Turn fp_extend(fp_round(X, 1)) -> x since the fp_round doesn't  
> affect the
>   // value of X.
> -  if (N0.getOpcode() == ISD::FP_ROUND && N0.Val- 
> >getConstantOperandVal(1) == 1){
> +  if (N0.getOpcode() == ISD::FP_ROUND && N0.getNode()- 
> >getConstantOperandVal(1) == 1){
>     SDValue In = N0.getOperand(0);
>     if (In.getValueType() == VT) return In;
>     if (VT.bitsLT(In.getValueType()))
> @@ -4009,7 +4009,7 @@
>   }
>
>   // fold (fpext (load x)) -> (fpext (fptrunc (extload x)))
> -  if (ISD::isNON_EXTLoad(N0.Val) && N0.hasOneUse() &&
> +  if (ISD::isNON_EXTLoad(N0.getNode()) && N0.hasOneUse() &&
>       ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) ||
>        TLI.isLoadXLegal(ISD::EXTLOAD, N0.getValueType()))) {
>     LoadSDNode *LN0 = cast<LoadSDNode>(N0);
> @@ -4020,7 +4020,7 @@
>                                        LN0->isVolatile(),
>                                        LN0->getAlignment());
>     CombineTo(N, ExtLoad);
> -    CombineTo(N0.Val, DAG.getNode(ISD::FP_ROUND, N0.getValueType(),  
> ExtLoad,
> +    CombineTo(N0.getNode(), DAG.getNode(ISD::FP_ROUND,  
> N0.getValueType(), ExtLoad,
>                                   DAG.getIntPtrConstant(1)),
>               ExtLoad.getValue(1));
>     return SDValue(N, 0);   // Return N so it doesn't get rechecked!
> @@ -4037,7 +4037,7 @@
>
>   // Transform fneg(bitconvert(x)) -> bitconvert(x^sign) to avoid  
> loading
>   // constant pool values.
> -  if (N0.getOpcode() == ISD::BIT_CONVERT && N0.Val->hasOneUse() &&
> +  if (N0.getOpcode() == ISD::BIT_CONVERT && N0.getNode()- 
> >hasOneUse() &&
>       N0.getOperand(0).getValueType().isInteger() &&
>       !N0.getOperand(0).getValueType().isVector()) {
>     SDValue Int = N0.getOperand(0);
> @@ -4045,7 +4045,7 @@
>     if (IntVT.isInteger() && !IntVT.isVector()) {
>       Int = DAG.getNode(ISD::XOR, IntVT, Int,
>                         DAG.getConstant(IntVT.getIntegerVTSignBit(),  
> IntVT));
> -      AddToWorkList(Int.Val);
> +      AddToWorkList(Int.getNode());
>       return DAG.getNode(ISD::BIT_CONVERT, N->getValueType(0), Int);
>     }
>   }
> @@ -4071,7 +4071,7 @@
>
>   // Transform fabs(bitconvert(x)) -> bitconvert(x&~sign) to avoid  
> loading
>   // constant pool values.
> -  if (N0.getOpcode() == ISD::BIT_CONVERT && N0.Val->hasOneUse() &&
> +  if (N0.getOpcode() == ISD::BIT_CONVERT && N0.getNode()- 
> >hasOneUse() &&
>       N0.getOperand(0).getValueType().isInteger() &&
>       !N0.getOperand(0).getValueType().isVector()) {
>     SDValue Int = N0.getOperand(0);
> @@ -4079,7 +4079,7 @@
>     if (IntVT.isInteger() && !IntVT.isVector()) {
>       Int = DAG.getNode(ISD::AND, IntVT, Int,
>                          
> DAG.getConstant(~IntVT.getIntegerVTSignBit(), IntVT));
> -      AddToWorkList(Int.Val);
> +      AddToWorkList(Int.getNode());
>       return DAG.getNode(ISD::BIT_CONVERT, N->getValueType(0), Int);
>     }
>   }
> @@ -4117,9 +4117,9 @@
>
>   // Use SimplifySetCC to simplify SETCC's.
>   SDValue Simp = SimplifySetCC(MVT::i1, CondLHS, CondRHS, CC->get(),  
> false);
> -  if (Simp.Val) AddToWorkList(Simp.Val);
> +  if (Simp.getNode()) AddToWorkList(Simp.getNode());
>
> -  ConstantSDNode *SCCC = dyn_cast_or_null<ConstantSDNode>(Simp.Val);
> +  ConstantSDNode *SCCC =  
> dyn_cast_or_null<ConstantSDNode>(Simp.getNode());
>
>   // fold br_cc true, dest -> br dest (unconditional branch)
>   if (SCCC && !SCCC->isNullValue())
> @@ -4130,7 +4130,7 @@
>     return N->getOperand(0);
>
>   // fold to a simpler setcc
> -  if (Simp.Val && Simp.getOpcode() == ISD::SETCC)
> +  if (Simp.getNode() && Simp.getOpcode() == ISD::SETCC)
>     return DAG.getNode(ISD::BR_CC, MVT::Other, N->getOperand(0),
>                        Simp.getOperand(2), Simp.getOperand(0),
>                        Simp.getOperand(1), N->getOperand(4));
> @@ -4174,7 +4174,7 @@
>   // If the pointer is not an add/sub, or if it doesn't have  
> multiple uses, bail
>   // out.  There is no reason to make this a preinc/predec.
>   if ((Ptr.getOpcode() != ISD::ADD && Ptr.getOpcode() != ISD::SUB) ||
> -      Ptr.Val->hasOneUse())
> +      Ptr.getNode()->hasOneUse())
>     return false;
>
>   // Ask the target to do addressing mode selection.
> @@ -4204,14 +4204,14 @@
>   // Check #2.
>   if (!isLoad) {
>     SDValue Val = cast<StoreSDNode>(N)->getValue();
> -    if (Val == BasePtr || BasePtr.Val->isPredecessorOf(Val.Val))
> +    if (Val == BasePtr || BasePtr.getNode()- 
> >isPredecessorOf(Val.getNode()))
>       return false;
>   }
>
>   // Now check for #3 and #4.
>   bool RealUse = false;
> -  for (SDNode::use_iterator I = Ptr.Val->use_begin(),
> -         E = Ptr.Val->use_end(); I != E; ++I) {
> +  for (SDNode::use_iterator I = Ptr.getNode()->use_begin(),
> +         E = Ptr.getNode()->use_end(); I != E; ++I) {
>     SDNode *Use = *I;
>     if (Use == N)
>       continue;
> @@ -4235,7 +4235,7 @@
>   ++PreIndexedNodes;
>   ++NodesCombined;
>   DOUT << "\nReplacing.4 "; DEBUG(N->dump(&DAG));
> -  DOUT << "\nWith: "; DEBUG(Result.Val->dump(&DAG));
> +  DOUT << "\nWith: "; DEBUG(Result.getNode()->dump(&DAG));
>   DOUT << '\n';
>   WorkListRemover DeadNodes(*this);
>   if (isLoad) {
> @@ -4254,8 +4254,8 @@
>   // Replace the uses of Ptr with uses of the updated base value.
>   DAG.ReplaceAllUsesOfValueWith(Ptr, Result.getValue(isLoad ? 1 : 0),
>                                 &DeadNodes);
> -  removeFromWorkList(Ptr.Val);
> -  DAG.DeleteNode(Ptr.Val);
> +  removeFromWorkList(Ptr.getNode());
> +  DAG.DeleteNode(Ptr.getNode());
>
>   return true;
> }
> @@ -4292,11 +4292,11 @@
>   } else
>     return false;
>
> -  if (Ptr.Val->hasOneUse())
> +  if (Ptr.getNode()->hasOneUse())
>     return false;
>
> -  for (SDNode::use_iterator I = Ptr.Val->use_begin(),
> -         E = Ptr.Val->use_end(); I != E; ++I) {
> +  for (SDNode::use_iterator I = Ptr.getNode()->use_begin(),
> +         E = Ptr.getNode()->use_end(); I != E; ++I) {
>     SDNode *Op = *I;
>     if (Op == N ||
>         (Op->getOpcode() != ISD::ADD && Op->getOpcode() != ISD::SUB))
> @@ -4323,10 +4323,10 @@
>
>       // Check for #1.
>       bool TryNext = false;
> -      for (SDNode::use_iterator II = BasePtr.Val->use_begin(),
> -             EE = BasePtr.Val->use_end(); II != EE; ++II) {
> +      for (SDNode::use_iterator II = BasePtr.getNode()->use_begin(),
> +             EE = BasePtr.getNode()->use_end(); II != EE; ++II) {
>         SDNode *Use = *II;
> -        if (Use == Ptr.Val)
> +        if (Use == Ptr.getNode())
>           continue;
>
>         // If all the uses are load / store addresses, then don't do  
> the
> @@ -4337,9 +4337,9 @@
>                  EEE = Use->use_end(); III != EEE; ++III) {
>             SDNode *UseUse = *III;
>             if (!((UseUse->getOpcode() == ISD::LOAD &&
> -                   cast<LoadSDNode>(UseUse)->getBasePtr().Val ==  
> Use) ||
> +                   cast<LoadSDNode>(UseUse)->getBasePtr().getNode()  
> == Use) ||
>                   (UseUse->getOpcode() == ISD::STORE &&
> -                   cast<StoreSDNode>(UseUse)->getBasePtr().Val ==  
> Use)))
> +                   cast<StoreSDNode>(UseUse)- 
> >getBasePtr().getNode() == Use)))
>               RealUse = true;
>           }
>
> @@ -4360,7 +4360,7 @@
>         ++PostIndexedNodes;
>         ++NodesCombined;
>         DOUT << "\nReplacing.5 "; DEBUG(N->dump(&DAG));
> -        DOUT << "\nWith: "; DEBUG(Result.Val->dump(&DAG));
> +        DOUT << "\nWith: "; DEBUG(Result.getNode()->dump(&DAG));
>         DOUT << '\n';
>         WorkListRemover DeadNodes(*this);
>         if (isLoad) {
> @@ -4463,7 +4463,7 @@
>         // Now we replace use of chain2 with chain1.  This makes the  
> second load
>         // isomorphic to the one we are deleting, and thus makes  
> this load live.
>         DOUT << "\nReplacing.6 "; DEBUG(N->dump(&DAG));
> -        DOUT << "\nWith chain: "; DEBUG(Chain.Val->dump(&DAG));
> +        DOUT << "\nWith chain: "; DEBUG(Chain.getNode()->dump(&DAG));
>         DOUT << "\n";
>         WorkListRemover DeadNodes(*this);
>         DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), Chain,  
> &DeadNodes);
> @@ -4479,7 +4479,7 @@
>       if (N->hasNUsesOfValue(0, 0) && N->hasNUsesOfValue(0, 1)) {
>         SDValue Undef = DAG.getNode(ISD::UNDEF, N->getValueType(0));
>         DOUT << "\nReplacing.6 "; DEBUG(N->dump(&DAG));
> -        DOUT << "\nWith: "; DEBUG(Undef.Val->dump(&DAG));
> +        DOUT << "\nWith: "; DEBUG(Undef.getNode()->dump(&DAG));
>         DOUT << " and 2 other values\n";
>         WorkListRemover DeadNodes(*this);
>         DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), Undef,  
> &DeadNodes);
> @@ -4500,7 +4500,7 @@
>   // TODO: Handle TRUNCSTORE/LOADEXT
>   if (LD->getExtensionType() == ISD::NON_EXTLOAD &&
>       !LD->isVolatile()) {
> -    if (ISD::isNON_TRUNCStore(Chain.Val)) {
> +    if (ISD::isNON_TRUNCStore(Chain.getNode())) {
>       StoreSDNode *PrevST = cast<StoreSDNode>(Chain);
>       if (PrevST->getBasePtr() == Ptr &&
>           PrevST->getValue().getValueType() == N->getValueType(0))
> @@ -4684,8 +4684,8 @@
>       GetDemandedBits(Value,
>                  APInt::getLowBitsSet(Value.getValueSizeInBits(),
>                                       ST- 
> >getMemoryVT().getSizeInBits()));
> -    AddToWorkList(Value.Val);
> -    if (Shorter.Val)
> +    AddToWorkList(Value.getNode());
> +    if (Shorter.getNode())
>       return DAG.getTruncStore(Chain, Shorter, Ptr, ST->getSrcValue(),
>                                ST->getSrcValueOffset(), ST- 
> >getMemoryVT(),
>                                ST->isVolatile(), ST->getAlignment());
> @@ -4715,7 +4715,7 @@
>   // If this is an FP_ROUND or TRUNC followed by a store, fold this  
> into a
>   // truncating store.  We can do this even if this is already a  
> truncstore.
>   if ((Value.getOpcode() == ISD::FP_ROUND || Value.getOpcode() ==  
> ISD::TRUNCATE)
> -      && Value.Val->hasOneUse() && ST->isUnindexed() &&
> +      && Value.getNode()->hasOneUse() && ST->isUnindexed() &&
>       TLI.isTruncStoreLegal(Value.getOperand(0).getValueType(),
>                             ST->getMemoryVT())) {
>     return DAG.getTruncStore(Chain, Value.getOperand(0), Ptr, ST- 
> >getSrcValue(),
> @@ -4735,7 +4735,7 @@
>   // vector with the inserted element.
>   if (InVec.getOpcode() == ISD::BUILD_VECTOR &&  
> isa<ConstantSDNode>(EltNo)) {
>     unsigned Elt = cast<ConstantSDNode>(EltNo)->getValue();
> -    SmallVector<SDValue, 8> Ops(InVec.Val->op_begin(), InVec.Val- 
> >op_end());
> +    SmallVector<SDValue, 8> Ops(InVec.getNode()->op_begin(),  
> InVec.getNode()->op_end());
>     if (Elt < Ops.size())
>       Ops[Elt] = InVal;
>     return DAG.getNode(ISD::BUILD_VECTOR, InVec.getValueType(),
> @@ -4773,11 +4773,11 @@
>     }
>
>     LoadSDNode *LN0 = NULL;
> -    if (ISD::isNormalLoad(InVec.Val))
> +    if (ISD::isNormalLoad(InVec.getNode()))
>       LN0 = cast<LoadSDNode>(InVec);
>     else if (InVec.getOpcode() == ISD::SCALAR_TO_VECTOR &&
>              InVec.getOperand(0).getValueType() == EVT &&
> -             ISD::isNormalLoad(InVec.getOperand(0).Val)) {
> +             ISD::isNormalLoad(InVec.getOperand(0).getNode())) {
>       LN0 = cast<LoadSDNode>(InVec.getOperand(0));
>     } else if (InVec.getOpcode() == ISD::VECTOR_SHUFFLE) {
>       // (vextract (vector_shuffle (load $addr), v2, <1, u, u, u>), 1)
> @@ -4789,7 +4789,7 @@
>       InVec = (Idx < NumElems) ? InVec.getOperand(0) :  
> InVec.getOperand(1);
>       if (InVec.getOpcode() == ISD::BIT_CONVERT)
>         InVec = InVec.getOperand(0);
> -      if (ISD::isNormalLoad(InVec.Val)) {
> +      if (ISD::isNormalLoad(InVec.getNode())) {
>         LN0 = cast<LoadSDNode>(InVec);
>         Elt = (Idx < NumElems) ? Idx : Idx - NumElems;
>       }
> @@ -4859,9 +4859,9 @@
>     if (ExtractedFromVec == VecIn1 || ExtractedFromVec == VecIn2)
>       continue;
>
> -    if (VecIn1.Val == 0) {
> +    if (VecIn1.getNode() == 0) {
>       VecIn1 = ExtractedFromVec;
> -    } else if (VecIn2.Val == 0) {
> +    } else if (VecIn2.getNode() == 0) {
>       VecIn2 = ExtractedFromVec;
>     } else {
>       // Too many inputs.
> @@ -4871,7 +4871,7 @@
>   }
>
>   // If everything is good, we can make a shuffle operation.
> -  if (VecIn1.Val) {
> +  if (VecIn1.getNode()) {
>     SmallVector<SDValue, 8> BuildVecIndices;
>     for (unsigned i = 0; i != NumInScalars; ++i) {
>       if (N->getOperand(i).getOpcode() == ISD::UNDEF) {
> @@ -4898,7 +4898,7 @@
>     // Return the new VECTOR_SHUFFLE node.
>     SDValue Ops[5];
>     Ops[0] = VecIn1;
> -    if (VecIn2.Val) {
> +    if (VecIn2.getNode()) {
>       Ops[1] = VecIn2;
>     } else {
>       // Use an undef build_vector as input for the second operand.
> @@ -4907,7 +4907,7 @@
>                                                EltType));
>       Ops[1] = DAG.getNode(ISD::BUILD_VECTOR, VT,
>                            &UnOps[0], UnOps.size());
> -      AddToWorkList(Ops[1].Val);
> +      AddToWorkList(Ops[1].getNode());
>     }
>     Ops[2] = DAG.getNode(ISD::BUILD_VECTOR, BuildVecVT,
>                          &BuildVecIndices[0], BuildVecIndices.size());
> @@ -4989,7 +4989,7 @@
>   // If it is a splat, check if the argument vector is a  
> build_vector with
>   // all scalar elements the same.
>   if (isSplat) {
> -    SDNode *V = N0.Val;
> +    SDNode *V = N0.getNode();
>
>     // If this is a bit convert that changes the element type of the  
> vector but
>     // not the number of vector elements, look through it.  Be  
> careful not to
> @@ -4998,7 +4998,7 @@
>       SDValue ConvInput = V->getOperand(0);
>       if (ConvInput.getValueType().isVector() &&
>           ConvInput.getValueType().getVectorNumElements() == NumElts)
> -        V = ConvInput.Val;
> +        V = ConvInput.getNode();
>     }
>
>     if (V->getOpcode() == ISD::BUILD_VECTOR) {
> @@ -5013,7 +5013,7 @@
>           }
>         }
>         // Splat of <u, u, u, u>, return <u, u, u, u>
> -        if (!Base.Val)
> +        if (!Base.getNode())
>           return N0;
>         for (unsigned i = 0; i != NumElems; ++i) {
>           if (V->getOperand(i) != Base) {
> @@ -5047,7 +5047,7 @@
>     }
>     ShufMask = DAG.getNode(ISD::BUILD_VECTOR, ShufMask.getValueType(),
>                            &MappedOps[0], MappedOps.size());
> -    AddToWorkList(ShufMask.Val);
> +    AddToWorkList(ShufMask.getNode());
>     return DAG.getNode(ISD::VECTOR_SHUFFLE, N->getValueType(0),
>                        N0,
>                        DAG.getNode(ISD::UNDEF, N->getValueType(0)),
> @@ -5093,7 +5093,7 @@
>       std::vector<SDValue> Ops;
>       LHS = DAG.getNode(ISD::BIT_CONVERT, VT, LHS);
>       Ops.push_back(LHS);
> -      AddToWorkList(LHS.Val);
> +      AddToWorkList(LHS.getNode());
>       std::vector<SDValue> ZeroOps(NumElts, DAG.getConstant(0, EVT));
>       Ops.push_back(DAG.getNode(ISD::BUILD_VECTOR, VT,
>                                 &ZeroOps[0], ZeroOps.size()));
> @@ -5123,7 +5123,7 @@
>   SDValue LHS = N->getOperand(0);
>   SDValue RHS = N->getOperand(1);
>   SDValue Shuffle = XformToShuffleWithZero(N);
> -  if (Shuffle.Val) return Shuffle;
> +  if (Shuffle.getNode()) return Shuffle;
>
>   // If the LHS and RHS are BUILD_VECTOR nodes, see if we can  
> constant fold
>   // this operation.
> @@ -5145,13 +5145,13 @@
>       if (N->getOpcode() == ISD::SDIV || N->getOpcode() == ISD::UDIV  
> ||
>           N->getOpcode() == ISD::FDIV) {
>         if ((RHSOp.getOpcode() == ISD::Constant &&
> -             cast<ConstantSDNode>(RHSOp.Val)->isNullValue()) ||
> +             cast<ConstantSDNode>(RHSOp.getNode())->isNullValue()) ||
>             (RHSOp.getOpcode() == ISD::ConstantFP &&
> -             cast<ConstantFPSDNode>(RHSOp.Val)- 
> >getValueAPF().isZero()))
> +             cast<ConstantFPSDNode>(RHSOp.getNode())- 
> >getValueAPF().isZero()))
>           break;
>       }
>       Ops.push_back(DAG.getNode(N->getOpcode(), EltType, LHSOp,  
> RHSOp));
> -      AddToWorkList(Ops.back().Val);
> +      AddToWorkList(Ops.back().getNode());
>       assert((Ops.back().getOpcode() == ISD::UNDEF ||
>               Ops.back().getOpcode() == ISD::Constant ||
>               Ops.back().getOpcode() == ISD::ConstantFP) &&
> @@ -5175,14 +5175,14 @@
>   // If we got a simplified select_cc node back from  
> SimplifySelectCC, then
>   // break it down into a new SETCC node, and a new SELECT node, and  
> then return
>   // the SELECT node, since we were called with a SELECT node.
> -  if (SCC.Val) {
> +  if (SCC.getNode()) {
>     // Check to see if we got a select_cc back (to turn into setcc/ 
> select).
>     // Otherwise, just return whatever node we got back, like fabs.
>     if (SCC.getOpcode() == ISD::SELECT_CC) {
>       SDValue SETCC = DAG.getNode(ISD::SETCC, N0.getValueType(),
>                                     SCC.getOperand(0),  
> SCC.getOperand(1),
>                                     SCC.getOperand(4));
> -      AddToWorkList(SETCC.Val);
> +      AddToWorkList(SETCC.getNode());
>       return DAG.getNode(ISD::SELECT, SCC.getValueType(),  
> SCC.getOperand(2),
>                          SCC.getOperand(3), SETCC);
>     }
> @@ -5226,8 +5226,8 @@
>         if (TheSelect->getOpcode() == ISD::SELECT) {
>           // Check that the condition doesn't reach either load.  If  
> so, folding
>           // this will induce a cycle into the DAG.
> -          if (!LLD->isPredecessorOf(TheSelect->getOperand(0).Val) &&
> -              !RLD->isPredecessorOf(TheSelect->getOperand(0).Val)) {
> +          if (!LLD->isPredecessorOf(TheSelect- 
> >getOperand(0).getNode()) &&
> +              !RLD->isPredecessorOf(TheSelect- 
> >getOperand(0).getNode())) {
>             Addr = DAG.getNode(ISD::SELECT, LLD- 
> >getBasePtr().getValueType(),
>                                TheSelect->getOperand(0), LLD- 
> >getBasePtr(),
>                                RLD->getBasePtr());
> @@ -5235,10 +5235,10 @@
>         } else {
>           // Check that the condition doesn't reach either load.  If  
> so, folding
>           // this will induce a cycle into the DAG.
> -          if (!LLD->isPredecessorOf(TheSelect->getOperand(0).Val) &&
> -              !RLD->isPredecessorOf(TheSelect->getOperand(0).Val) &&
> -              !LLD->isPredecessorOf(TheSelect->getOperand(1).Val) &&
> -              !RLD->isPredecessorOf(TheSelect->getOperand(1).Val)) {
> +          if (!LLD->isPredecessorOf(TheSelect- 
> >getOperand(0).getNode()) &&
> +              !RLD->isPredecessorOf(TheSelect- 
> >getOperand(0).getNode()) &&
> +              !LLD->isPredecessorOf(TheSelect- 
> >getOperand(1).getNode()) &&
> +              !RLD->isPredecessorOf(TheSelect- 
> >getOperand(1).getNode())) {
>             Addr = DAG.getNode(ISD::SELECT_CC, LLD- 
> >getBasePtr().getValueType(),
>                              TheSelect->getOperand(0),
>                              TheSelect->getOperand(1),
> @@ -5247,7 +5247,7 @@
>           }
>         }
>
> -        if (Addr.Val) {
> +        if (Addr.getNode()) {
>           SDValue Load;
>           if (LLD->getExtensionType() == ISD::NON_EXTLOAD)
>             Load = DAG.getLoad(TheSelect->getValueType(0), LLD- 
> >getChain(),
> @@ -5269,8 +5269,8 @@
>
>           // Users of the old loads now use the new load's chain.   
> We know the
>           // old-load value is dead now.
> -          CombineTo(LHS.Val, Load.getValue(0), Load.getValue(1));
> -          CombineTo(RHS.Val, Load.getValue(0), Load.getValue(1));
> +          CombineTo(LHS.getNode(), Load.getValue(0),  
> Load.getValue(1));
> +          CombineTo(RHS.getNode(), Load.getValue(0),  
> Load.getValue(1));
>           return true;
>         }
>       }
> @@ -5285,14 +5285,14 @@
>                                       ISD::CondCode CC, bool  
> NotExtCompare) {
>
>   MVT VT = N2.getValueType();
> -  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
> -  ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
> -  ConstantSDNode *N3C = dyn_cast<ConstantSDNode>(N3.Val);
> +  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
> +  ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
> +  ConstantSDNode *N3C = dyn_cast<ConstantSDNode>(N3.getNode());
>
>   // Determine if the condition we're dealing with is constant
>   SDValue SCC = SimplifySetCC(TLI.getSetCCResultType(N0), N0, N1,  
> CC, false);
> -  if (SCC.Val) AddToWorkList(SCC.Val);
> -  ConstantSDNode *SCCC = dyn_cast_or_null<ConstantSDNode>(SCC.Val);
> +  if (SCC.getNode()) AddToWorkList(SCC.getNode());
> +  ConstantSDNode *SCCC =  
> dyn_cast_or_null<ConstantSDNode>(SCC.getNode());
>
>   // fold select_cc true, x, y -> x
>   if (SCCC && !SCCC->isNullValue())
> @@ -5336,20 +5336,20 @@
>         ShCtV = XType.getSizeInBits()-ShCtV-1;
>         SDValue ShCt = DAG.getConstant(ShCtV, TLI.getShiftAmountTy());
>         SDValue Shift = DAG.getNode(ISD::SRL, XType, N0, ShCt);
> -        AddToWorkList(Shift.Val);
> +        AddToWorkList(Shift.getNode());
>         if (XType.bitsGT(AType)) {
>           Shift = DAG.getNode(ISD::TRUNCATE, AType, Shift);
> -          AddToWorkList(Shift.Val);
> +          AddToWorkList(Shift.getNode());
>         }
>         return DAG.getNode(ISD::AND, AType, Shift, N2);
>       }
>       SDValue Shift = DAG.getNode(ISD::SRA, XType, N0,
>                                      
> DAG.getConstant(XType.getSizeInBits()-1,
>                                                      
> TLI.getShiftAmountTy()));
> -      AddToWorkList(Shift.Val);
> +      AddToWorkList(Shift.getNode());
>       if (XType.bitsGT(AType)) {
>         Shift = DAG.getNode(ISD::TRUNCATE, AType, Shift);
> -        AddToWorkList(Shift.Val);
> +        AddToWorkList(Shift.getNode());
>       }
>       return DAG.getNode(ISD::AND, AType, Shift, N2);
>     }
> @@ -5379,8 +5379,8 @@
>       SCC  = DAG.getSetCC(MVT::i1, N0, N1, CC);
>       Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getValueType(), SCC);
>     }
> -    AddToWorkList(SCC.Val);
> -    AddToWorkList(Temp.Val);
> +    AddToWorkList(SCC.getNode());
> +    AddToWorkList(Temp.getNode());
>
>     if (N2C->getAPIntValue() == 1)
>       return Temp;
> @@ -5442,8 +5442,8 @@
>                                    
> DAG.getConstant(XType.getSizeInBits()-1,
>                                                    
> TLI.getShiftAmountTy()));
>     SDValue Add = DAG.getNode(ISD::ADD, XType, N0, Shift);
> -    AddToWorkList(Shift.Val);
> -    AddToWorkList(Add.Val);
> +    AddToWorkList(Shift.getNode());
> +    AddToWorkList(Add.getNode());
>     return DAG.getNode(ISD::XOR, XType, Add, Shift);
>   }
>   // Check to see if this is an integer abs. select_cc setgt X, -1,  
> X, -X ->
> @@ -5457,8 +5457,8 @@
>                                        
> DAG.getConstant(XType.getSizeInBits()-1,
>                                                        
> TLI.getShiftAmountTy()));
>         SDValue Add = DAG.getNode(ISD::ADD, XType, N0, Shift);
> -        AddToWorkList(Shift.Val);
> -        AddToWorkList(Add.Val);
> +        AddToWorkList(Shift.getNode());
> +        AddToWorkList(Add.getNode());
>         return DAG.getNode(ISD::XOR, XType, Add, Shift);
>       }
>     }
> @@ -5612,8 +5612,8 @@
>     Chains.pop_back();
>
>      // Don't bother if we've been before.
> -    if (Visited.find(Chain.Val) != Visited.end()) continue;
> -    Visited.insert(Chain.Val);
> +    if (Visited.find(Chain.getNode()) != Visited.end()) continue;
> +    Visited.insert(Chain.getNode());
>
>     switch (Chain.getOpcode()) {
>     case ISD::EntryToken:
> @@ -5627,7 +5627,7 @@
>       int64_t OpSize;
>       const Value *OpSrcValue;
>       int OpSrcValueOffset;
> -      bool IsOpLoad = FindAliasInfo(Chain.Val, OpPtr, OpSize,
> +      bool IsOpLoad = FindAliasInfo(Chain.getNode(), OpPtr, OpSize,
>                                     OpSrcValue, OpSrcValueOffset);
>
>       // If chain is alias then stop here.
> @@ -5639,7 +5639,7 @@
>         // Look further up the chain.
>         Chains.push_back(Chain.getOperand(0));
>         // Clean up old chain.
> -        AddToWorkList(Chain.Val);
> +        AddToWorkList(Chain.getNode());
>       }
>       break;
>     }
> @@ -5652,7 +5652,7 @@
>       for (unsigned n = Chain.getNumOperands(); n;)
>         Chains.push_back(Chain.getOperand(--n));
>       // Eliminate the token factor if we can.
> -      AddToWorkList(Chain.Val);
> +      AddToWorkList(Chain.getNode());
>       break;
>
>     default:
> @@ -5684,7 +5684,7 @@
>                                    &Aliases[0], Aliases.size());
>
>   // Make sure the old chain gets cleaned up.
> -  if (NewChain != OldChain) AddToWorkList(OldChain.Val);
> +  if (NewChain != OldChain) AddToWorkList(OldChain.getNode());
>
>   return NewChain;
> }
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -260,7 +260,7 @@
>     break;
>   }
>   }
> -  return TLI.isShuffleMaskLegal(Mask, VT) ? Mask.Val : 0;
> +  return TLI.isShuffleMaskLegal(Mask, VT) ? Mask.getNode() : 0;
> }
>
> SelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag)
> @@ -350,7 +350,7 @@
>
>   assert(Node->getOperand(0).getValueType() == MVT::Other &&
>          "Node doesn't have a token chain argument!");
> -  return FindCallStartFromCallEnd(Node->getOperand(0).Val);
> +  return FindCallStartFromCallEnd(Node->getOperand(0).getNode());
> }
>
> /// LegalizeAllNodesNotLeadingTo - Recursively walk the uses of N,  
> looking to
> @@ -387,7 +387,7 @@
>   bool OperandsLeadToDest = false;
>   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
>     OperandsLeadToDest |=     // If an operand leads to Dest, so do  
> we.
> -      LegalizeAllNodesNotLeadingTo(N->getOperand(i).Val, Dest,  
> NodesLeadingTo);
> +      LegalizeAllNodesNotLeadingTo(N->getOperand(i).getNode(),  
> Dest, NodesLeadingTo);
>
>   if (OperandsLeadToDest) {
>     NodesLeadingTo.insert(N);
> @@ -667,7 +667,7 @@
>   MVT VT = Op.getValueType();
>   assert(isTypeLegal(VT) &&
>          "Caller should expand or promote operands that are not  
> legal!");
> -  assert(Op.Val->getNumValues() == 1 &&
> +  assert(Op.getNode()->getNumValues() == 1 &&
>          "Can't unroll a vector with multiple results!");
>   unsigned NE = VT.getVectorNumElements();
>   MVT EltVT = VT.getVectorElementType();
> @@ -733,7 +733,7 @@
>   MVT PtrVT = TLI.getPointerTy();
>   SDValue StackPtr = DAG.CreateStackTemporary(VT);
>
> -  int SPFI = cast<FrameIndexSDNode>(StackPtr.Val)->getIndex();
> +  int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex();
>
>   // Store the vector.
>   SDValue Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr,
> @@ -764,7 +764,7 @@
>
>   assert(isTypeLegal(Op.getValueType()) &&
>          "Caller should expand or promote operands that are not  
> legal!");
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>
>   // If this operation defines any values that cannot be represented  
> in a
>   // register on this target, make sure to expand or promote them.
> @@ -839,7 +839,7 @@
>     default: assert(0 && "This action is not supported yet!");
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Op, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       // FALLTHROUGH if the target doesn't want to lower this op  
> after all.
>     case TargetLowering::Legal:
>       break;
> @@ -850,7 +850,7 @@
>     // The only option for these nodes is to custom lower them.  If  
> the target
>     // does not custom lower them, then return zero.
>     Tmp1 = TLI.LowerOperation(Op, DAG);
> -    if (Tmp1.Val)
> +    if (Tmp1.getNode())
>       Result = Tmp1;
>     else
>       Result = DAG.getConstant(0, TLI.getPointerTy());
> @@ -861,7 +861,7 @@
>     default: assert(0 && "This action is not supported yet!");
>     case TargetLowering::Custom:
>       Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) break;
> +      if (Result.getNode()) break;
>       // Fall Thru
>     case TargetLowering::Legal:
>       Result = DAG.getConstant(0, VT);
> @@ -881,7 +881,7 @@
>       break;
>     case TargetLowering::Custom:
>       Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) break;
> +      if (Result.getNode()) break;
>       // Fall Thru
>     case TargetLowering::Legal: {
>       SDValue Ops[] = { DAG.getConstant(0, VT), Tmp1 };
> @@ -890,9 +890,9 @@
>     }
>     }
>     }
> -    if (Result.Val->getNumValues() == 1) break;
> +    if (Result.getNode()->getNumValues() == 1) break;
>
> -    assert(Result.Val->getNumValues() == 2 &&
> +    assert(Result.getNode()->getNumValues() == 2 &&
>            "Cannot return more than two values!");
>
>     // Since we produced two values, make sure to remember that we
> @@ -915,7 +915,7 @@
>       break;
>     case TargetLowering::Custom:
>       Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) break;
> +      if (Result.getNode()) break;
>       // Fall Thru
>     case TargetLowering::Legal: {
>       SDValue Ops[] = { DAG.getConstant(0, VT), Tmp2 };
> @@ -924,9 +924,9 @@
>     }
>     }
>     }
> -    if (Result.Val->getNumValues() == 1) break;
> +    if (Result.getNode()->getNumValues() == 1) break;
>
> -    assert(Result.Val->getNumValues() == 2 &&
> +    assert(Result.getNode()->getNumValues() == 2 &&
>            "Cannot return more than two values!");
>
>     // Since we produced two values, make sure to remember that we
> @@ -943,7 +943,7 @@
>     default: assert(0 && "This action is not supported at all!");
>     case TargetLowering::Custom:
>       Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) break;
> +      if (Result.getNode()) break;
>       // Fall Thru
>     case TargetLowering::Legal:
>       // Target does not know, how to lower this, lower to noop
> @@ -1012,13 +1012,13 @@
>     if (TLI.getOperationAction(Node->getOpcode(), MVT::Other) ==
>         TargetLowering::Custom) {
>       Tmp3 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp3.Val) Result = Tmp3;
> +      if (Tmp3.getNode()) Result = Tmp3;
>     }
>
> -    if (Result.Val->getNumValues() == 1) break;
> +    if (Result.getNode()->getNumValues() == 1) break;
>
>     // Must have return value and chain result.
> -    assert(Result.Val->getNumValues() == 2 &&
> +    assert(Result.getNode()->getNumValues() == 2 &&
>            "Cannot return more than two values!");
>
>     // Since loads produce two values, make sure to remember that we
> @@ -1261,7 +1261,7 @@
>       Result = TLI.LowerOperation(Result, DAG);
>       break;
>     case TargetLowering::Expand:
> -      Result = SDValue(TLI.ReplaceNodeResults(Op.Val, DAG),0);
> +      Result = SDValue(TLI.ReplaceNodeResults(Op.getNode(), DAG),0);
>       break;
>     case TargetLowering::Legal:
>       break;
> @@ -1280,7 +1280,7 @@
>
>     if (opAction == TargetLowering::Custom) {
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val)
> +      if (Tmp1.getNode())
>         Result = Tmp1;
>     }
>     break;
> @@ -1298,7 +1298,7 @@
>       break;
>     case TargetLowering::Custom:
>       Tmp3 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp3.Val) {
> +      if (Tmp3.getNode()) {
>         Result = Tmp3;
>         break;
>       }
> @@ -1344,27 +1344,27 @@
>   case ISD::CALL:
>     // The only option for this is to custom lower it.
>     Tmp3 = TLI.LowerOperation(Result.getValue(0), DAG);
> -    assert(Tmp3.Val && "Target didn't custom lower this node!");
> +    assert(Tmp3.getNode() && "Target didn't custom lower this  
> node!");
>     // A call within a calling sequence must be legalized to something
>     // other than the normal CALLSEQ_END.  Violating this gets  
> Legalize
>     // into an infinite loop.
>     assert ((!IsLegalizingCall ||
>              Node->getOpcode() != ISD::CALL ||
> -             Tmp3.Val->getOpcode() != ISD::CALLSEQ_END) &&
> +             Tmp3.getNode()->getOpcode() != ISD::CALLSEQ_END) &&
>             "Nested CALLSEQ_START..CALLSEQ_END not supported.");
>
>     // The number of incoming and outgoing values should match;  
> unless the final
>     // outgoing value is a flag.
> -    assert((Tmp3.Val->getNumValues() == Result.Val->getNumValues() ||
> -            (Tmp3.Val->getNumValues() == Result.Val->getNumValues()  
> + 1 &&
> -             Tmp3.Val->getValueType(Tmp3.Val->getNumValues() - 1) ==
> +    assert((Tmp3.getNode()->getNumValues() == Result.getNode()- 
> >getNumValues() ||
> +            (Tmp3.getNode()->getNumValues() == Result.getNode()- 
> >getNumValues() + 1 &&
> +             Tmp3.getNode()->getValueType(Tmp3.getNode()- 
> >getNumValues() - 1) ==
>                MVT::Flag)) &&
>            "Lowering call/formal_arguments produced unexpected #  
> results!");
>
>     // Since CALL/FORMAL_ARGUMENTS nodes produce multiple values,  
> make sure to
>     // remember that we legalized all of them, so it doesn't get  
> relegalized.
> -    for (unsigned i = 0, e = Tmp3.Val->getNumValues(); i != e; ++i) {
> -      if (Tmp3.Val->getValueType(i) == MVT::Flag)
> +    for (unsigned i = 0, e = Tmp3.getNode()->getNumValues(); i !=  
> e; ++i) {
> +      if (Tmp3.getNode()->getValueType(i) == MVT::Flag)
>         continue;
>       Tmp1 = LegalizeOp(Tmp3.getValue(i));
>       if (Op.getResNo() == i)
> @@ -1394,13 +1394,13 @@
>     default: assert(0 && "This action is not supported yet!");
>     case TargetLowering::Custom:
>       Tmp3 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp3.Val) {
> +      if (Tmp3.getNode()) {
>         Result = Tmp3;
>         break;
>       }
>       // FALLTHROUGH
>     case TargetLowering::Expand:
> -      Result = ExpandBUILD_VECTOR(Result.Val);
> +      Result = ExpandBUILD_VECTOR(Result.getNode());
>       break;
>     }
>     break;
> @@ -1425,7 +1425,7 @@
>       break;
>     case TargetLowering::Custom:
>       Tmp4 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp4.Val) {
> +      if (Tmp4.getNode()) {
>         Result = Tmp4;
>         break;
>       }
> @@ -1485,7 +1485,7 @@
>       break;
>     case TargetLowering::Custom:
>       Tmp3 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp3.Val) {
> +      if (Tmp3.getNode()) {
>         Result = Tmp3;
>         break;
>       }
> @@ -1509,7 +1509,7 @@
>       break;
>     case TargetLowering::Custom:
>       Tmp3 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp3.Val) {
> +      if (Tmp3.getNode()) {
>         Result = Tmp3;
>         break;
>       }
> @@ -1550,7 +1550,7 @@
>
>       // Convert the shuffle mask to the right # elements.
>       Tmp3 = SDValue(isShuffleLegal(OVT, Node->getOperand(2)), 0);
> -      assert(Tmp3.Val && "Shuffle not legal?");
> +      assert(Tmp3.getNode() && "Shuffle not legal?");
>       Result = DAG.getNode(ISD::VECTOR_SHUFFLE, NVT, Tmp1, Tmp2,  
> Tmp3);
>       Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result);
>       break;
> @@ -1580,7 +1580,7 @@
>     // are inserted *before* the CALLSEQ_START.
>     {SmallPtrSet<SDNode*, 32> NodesLeadingTo;
>     for (unsigned i = 0, e = CallEnd->getNumOperands(); i != e; ++i)
> -      LegalizeAllNodesNotLeadingTo(CallEnd->getOperand(i).Val, Node,
> +      LegalizeAllNodesNotLeadingTo(CallEnd- 
> >getOperand(i).getNode(), Node,
>                                    NodesLeadingTo);
>     }
>
> @@ -1624,7 +1624,7 @@
>   case ISD::CALLSEQ_END:
>     // If the CALLSEQ_START node hasn't been legalized first,  
> legalize it.  This
>     // will cause this node to be legalized as well as handling  
> libcalls right.
> -    if (LastCALLSEQ_END.Val != Node) {
> +    if (LastCALLSEQ_END.getNode() != Node) {
>       LegalizeOp(SDValue(FindCallStartFromCallEnd(Node), 0));
>       DenseMap<SDValue, SDValue>::iterator I =  
> LegalizedNodes.find(Op);
>       assert(I != LegalizedNodes.end() &&
> @@ -1708,7 +1708,7 @@
>     }
>     case TargetLowering::Custom:
>       Tmp3 = TLI.LowerOperation(Tmp1, DAG);
> -      if (Tmp3.Val) {
> +      if (Tmp3.getNode()) {
>         Tmp1 = LegalizeOp(Tmp3);
>         Tmp2 = LegalizeOp(Tmp3.getValue(1));
>       }
> @@ -1797,7 +1797,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     case TargetLowering::Expand: {
>       SDValue Chain = Result.getOperand(0);
> @@ -1866,7 +1866,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     case TargetLowering::Expand:
>       // Expand brcond's setcc into its constituent parts and create  
> a BR_CC
> @@ -1899,7 +1899,7 @@
>     // If we didn't get both a LHS and RHS back from  
> LegalizeSetCCOperands,
>     // the LHS is a legal SETCC itself.  In this case, we need to  
> compare
>     // the result against zero to select between true and false  
> values.
> -    if (Tmp3.Val == 0) {
> +    if (Tmp3.getNode() == 0) {
>       Tmp3 = DAG.getConstant(0, Tmp2.getValueType());
>       Tmp4 = DAG.getCondCode(ISD::SETNE);
>     }
> @@ -1912,7 +1912,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp4 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp4.Val) Result = Tmp4;
> +      if (Tmp4.getNode()) Result = Tmp4;
>       break;
>     }
>     break;
> @@ -1937,7 +1937,7 @@
>           unsigned ABIAlignment = TLI.getTargetData()->
>             getABITypeAlignment(LD->getMemoryVT().getTypeForMVT());
>           if (LD->getAlignment() < ABIAlignment){
> -            Result =  
> ExpandUnalignedLoad(cast<LoadSDNode>(Result.Val), DAG,
> +            Result =  
> ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG,
>                                          TLI);
>             Tmp3 = Result.getOperand(0);
>             Tmp4 = Result.getOperand(1);
> @@ -1948,7 +1948,7 @@
>         break;
>       case TargetLowering::Custom:
>         Tmp1 = TLI.LowerOperation(Tmp3, DAG);
> -        if (Tmp1.Val) {
> +        if (Tmp1.getNode()) {
>           Tmp3 = LegalizeOp(Tmp1);
>           Tmp4 = LegalizeOp(Tmp1.getValue(1));
>         }
> @@ -2105,7 +2105,7 @@
>
>           if (isCustom) {
>             Tmp3 = TLI.LowerOperation(Result, DAG);
> -            if (Tmp3.Val) {
> +            if (Tmp3.getNode()) {
>               Tmp1 = LegalizeOp(Tmp3);
>               Tmp2 = LegalizeOp(Tmp3.getValue(1));
>             }
> @@ -2116,7 +2116,7 @@
>               unsigned ABIAlignment = TLI.getTargetData()->
>                 getABITypeAlignment(LD- 
> >getMemoryVT().getTypeForMVT());
>               if (LD->getAlignment() < ABIAlignment){
> -                Result =  
> ExpandUnalignedLoad(cast<LoadSDNode>(Result.Val), DAG,
> +                Result =  
> ExpandUnalignedLoad(cast<LoadSDNode>(Result.getNode()), DAG,
>                                              TLI);
>                 Tmp1 = Result.getOperand(0);
>                 Tmp2 = Result.getOperand(1);
> @@ -2244,13 +2244,13 @@
>           if (TLI.isBigEndian())
>             std::swap(Lo, Hi);
>
> -          if (Hi.Val)
> +          if (Hi.getNode())
>             Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo,  
> Tmp3, Hi,Tmp3);
>           else
>             Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo,  
> Tmp3);
>           Result = LegalizeOp(Result);
>         } else {
> -          SDNode *InVal = Tmp2.Val;
> +          SDNode *InVal = Tmp2.getNode();
>           int InIx = Tmp2.getResNo();
>           unsigned NumElems = InVal- 
> >getValueType(InIx).getVectorNumElements();
>           MVT EVT = InVal->getValueType(InIx).getVectorElementType();
> @@ -2310,7 +2310,7 @@
>           ExpandOp(Node->getOperand(i), Lo, Hi);
>           NewValues.push_back(Lo);
>           NewValues.push_back(Node->getOperand(i+1));
> -          if (Hi.Val) {
> +          if (Hi.getNode()) {
>             NewValues.push_back(Hi);
>             NewValues.push_back(Node->getOperand(i+1));
>           }
> @@ -2335,7 +2335,7 @@
>       case TargetLowering::Legal: break;
>       case TargetLowering::Custom:
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>         break;
>       }
>     }
> @@ -2411,13 +2411,13 @@
>             unsigned ABIAlignment = TLI.getTargetData()->
>               getABITypeAlignment(ST->getMemoryVT().getTypeForMVT());
>             if (ST->getAlignment() < ABIAlignment)
> -              Result =  
> ExpandUnalignedStore(cast<StoreSDNode>(Result.Val), DAG,
> +              Result =  
> ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG,
>                                             TLI);
>           }
>           break;
>         case TargetLowering::Custom:
>           Tmp1 = TLI.LowerOperation(Result, DAG);
> -          if (Tmp1.Val) Result = Tmp1;
> +          if (Tmp1.getNode()) Result = Tmp1;
>           break;
>         case TargetLowering::Promote:
>           assert(VT.isVector() && "Unknown legal promote case!");
> @@ -2446,7 +2446,7 @@
>         // the product of the element size in bytes, and the number  
> of elements
>         // in the high half of the vector.
>         if (ST->getValue().getValueType().isVector()) {
> -          SDNode *InVal = ST->getValue().Val;
> +          SDNode *InVal = ST->getValue().getNode();
>           int InIx = ST->getValue().getResNo();
>           MVT InVT = InVal->getValueType(InIx);
>           unsigned NumElems = InVT.getVectorNumElements();
> @@ -2473,12 +2473,12 @@
>             break;
>           } else {
>             SplitVectorOp(ST->getValue(), Lo, Hi);
> -            IncrementSize = Lo.Val- 
> >getValueType(0).getVectorNumElements() *
> +            IncrementSize = Lo.getNode()- 
> >getValueType(0).getVectorNumElements() *
>                             EVT.getSizeInBits()/8;
>           }
>         } else {
>           ExpandOp(ST->getValue(), Lo, Hi);
> -          IncrementSize = Hi.Val ?  
> Hi.getValueType().getSizeInBits()/8 : 0;
> +          IncrementSize = Hi.getNode() ?  
> Hi.getValueType().getSizeInBits()/8 : 0;
>
>           if (TLI.isBigEndian())
>             std::swap(Lo, Hi);
> @@ -2487,7 +2487,7 @@
>         Lo = DAG.getStore(Tmp1, Lo, Tmp2, ST->getSrcValue(),
>                           SVOffset, isVolatile, Alignment);
>
> -        if (Hi.Val == NULL) {
> +        if (Hi.getNode() == NULL) {
>           // Must be int <-> float one-to-one expansion.
>           Result = Lo;
>           break;
> @@ -2598,7 +2598,7 @@
>             unsigned ABIAlignment = TLI.getTargetData()->
>               getABITypeAlignment(ST->getMemoryVT().getTypeForMVT());
>             if (ST->getAlignment() < ABIAlignment)
> -              Result =  
> ExpandUnalignedStore(cast<StoreSDNode>(Result.Val), DAG,
> +              Result =  
> ExpandUnalignedStore(cast<StoreSDNode>(Result.getNode()), DAG,
>                                             TLI);
>           }
>           break;
> @@ -2632,7 +2632,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp3 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp3.Val) {
> +      if (Tmp3.getNode()) {
>         Tmp1 = LegalizeOp(Tmp3);
>         Tmp2 = LegalizeOp(Tmp3.getValue(1));
>       }
> @@ -2667,7 +2667,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     case TargetLowering::Expand:
>       // Expand to CopyToReg if the target set
> @@ -2730,7 +2730,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom: {
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     }
>     case TargetLowering::Expand:
> @@ -2784,7 +2784,7 @@
>     // If we didn't get both a LHS and RHS back from  
> LegalizeSetCCOperands,
>     // the LHS is a legal SETCC itself.  In this case, we need to  
> compare
>     // the result against zero to select between true and false  
> values.
> -    if (Tmp2.Val == 0) {
> +    if (Tmp2.getNode() == 0) {
>       Tmp2 = DAG.getConstant(0, Tmp1.getValueType());
>       CC = DAG.getCondCode(ISD::SETNE);
>     }
> @@ -2796,7 +2796,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     }
>     break;
> @@ -2810,7 +2810,7 @@
>     // If we had to Expand the SetCC operands into a SELECT node,  
> then it may
>     // not always be possible to return a true LHS & RHS.  In this  
> case, just
>     // return the value we legalized, returned in the LHS
> -    if (Tmp2.Val == 0) {
> +    if (Tmp2.getNode() == 0) {
>       Result = Tmp1;
>       break;
>     }
> @@ -2824,7 +2824,7 @@
>       Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Tmp3);
>       if (isCustom) {
>         Tmp4 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp4.Val) Result = Tmp4;
> +        if (Tmp4.getNode()) Result = Tmp4;
>       }
>       break;
>     case TargetLowering::Promote: {
> @@ -2882,7 +2882,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     }
>     break;
> @@ -2906,7 +2906,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) {
> +      if (Tmp1.getNode()) {
>         SDValue Tmp2, RetVal(0, 0);
>         for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) {
>           Tmp2 = LegalizeOp(Tmp1.getValue(i));
> @@ -2914,7 +2914,7 @@
>           if (i == Op.getResNo())
>             RetVal = Tmp2;
>         }
> -        assert(RetVal.Val && "Illegal result number");
> +        assert(RetVal.getNode() && "Illegal result number");
>         return RetVal;
>       }
>       break;
> @@ -2974,7 +2974,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) {
> +      if (Tmp1.getNode()) {
>         Result = Tmp1;
>         break;
>       }
> @@ -3004,28 +3004,28 @@
>           OpToUse = ISD::UMUL_LOHI;
>         }
>         if (OpToUse) {
> -          Result = SDValue(DAG.getNode(OpToUse, VTs, Tmp1,  
> Tmp2).Val, 0);
> +          Result = SDValue(DAG.getNode(OpToUse, VTs, Tmp1,  
> Tmp2).getNode(), 0);
>           break;
>         }
>       }
>       if (Node->getOpcode() == ISD::MULHS &&
>           TLI.isOperationLegal(ISD::SMUL_LOHI, VT)) {
> -        Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1,  
> Tmp2).Val, 1);
> +        Result = SDValue(DAG.getNode(ISD::SMUL_LOHI, VTs, Tmp1,  
> Tmp2).getNode(), 1);
>         break;
>       }
>       if (Node->getOpcode() == ISD::MULHU &&
>           TLI.isOperationLegal(ISD::UMUL_LOHI, VT)) {
> -        Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1,  
> Tmp2).Val, 1);
> +        Result = SDValue(DAG.getNode(ISD::UMUL_LOHI, VTs, Tmp1,  
> Tmp2).getNode(), 1);
>         break;
>       }
>       if (Node->getOpcode() == ISD::SDIV &&
>           TLI.isOperationLegal(ISD::SDIVREM, VT)) {
> -        Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1,  
> Tmp2).Val, 0);
> +        Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1,  
> Tmp2).getNode(), 0);
>         break;
>       }
>       if (Node->getOpcode() == ISD::UDIV &&
>           TLI.isOperationLegal(ISD::UDIVREM, VT)) {
> -        Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1,  
> Tmp2).Val, 0);
> +        Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1,  
> Tmp2).getNode(), 0);
>         break;
>       }
>
> @@ -3113,7 +3113,7 @@
>     default: assert(0 && "Operation not supported");
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     case TargetLowering::Legal: break;
>     case TargetLowering::Expand: {
> @@ -3216,7 +3216,7 @@
>       Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2);
>       if (isCustom) {
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>       }
>       break;
>     case TargetLowering::Expand: {
> @@ -3228,12 +3228,12 @@
>       SDVTList VTs = DAG.getVTList(VT, VT);
>       if (Node->getOpcode() == ISD::SREM &&
>           TLI.isOperationLegal(ISD::SDIVREM, VT)) {
> -        Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1,  
> Tmp2).Val, 1);
> +        Result = SDValue(DAG.getNode(ISD::SDIVREM, VTs, Tmp1,  
> Tmp2).getNode(), 1);
>         break;
>       }
>       if (Node->getOpcode() == ISD::UREM &&
>           TLI.isOperationLegal(ISD::UDIVREM, VT)) {
> -        Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1,  
> Tmp2).Val, 1);
> +        Result = SDValue(DAG.getNode(ISD::UDIVREM, VTs, Tmp1,  
> Tmp2).getNode(), 1);
>         break;
>       }
>
> @@ -3288,7 +3288,7 @@
>
>       if (isCustom) {
>         Tmp2 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp2.Val) {
> +        if (Tmp2.getNode()) {
>           Result = LegalizeOp(Tmp2);
>           Tmp1 = LegalizeOp(Tmp2.getValue(1));
>         }
> @@ -3332,7 +3332,7 @@
>                                       Node->getOperand(3), Node- 
> >getOperand(4));
>       if (isCustom) {
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>       }
>       break;
>     case TargetLowering::Expand:
> @@ -3359,7 +3359,7 @@
>       Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2, Node- 
> >getOperand(2));
>       if (isCustom) {
>         Tmp1 = TLI.LowerOperation(Tmp1, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>       }
>       break;
>     case TargetLowering::Expand:
> @@ -3379,7 +3379,7 @@
>     case TargetLowering::Legal: break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     }
>     break;
> @@ -3397,7 +3397,7 @@
>       break;
>     case TargetLowering::Custom:
>       Tmp1 = TLI.LowerOperation(Result, DAG);
> -      if (Tmp1.Val) Result = Tmp1;
> +      if (Tmp1.getNode()) Result = Tmp1;
>       break;
>     case TargetLowering::Promote:
>       assert(0 && "Do not know how to promote ROTL/ROTR");
> @@ -3444,7 +3444,7 @@
>       if (TLI.getOperationAction(Node->getOpcode(), Node- 
> >getValueType(0)) ==
>           TargetLowering::Custom) {
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) {
> +        if (Tmp1.getNode()) {
>           Result = Tmp1;
>         }
>       }
> @@ -3505,7 +3505,7 @@
>       Result = DAG.UpdateNodeOperands(Result, Tmp1);
>       if (isCustom) {
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>       }
>       break;
>     case TargetLowering::Expand:
> @@ -3609,7 +3609,7 @@
>     } else if (Op.getOperand(0).getValueType().isVector()) {
>       // The input has to be a vector type, we have to either  
> scalarize it, pack
>       // it, or convert it based on whether the input vector type is  
> legal.
> -      SDNode *InVal = Node->getOperand(0).Val;
> +      SDNode *InVal = Node->getOperand(0).getNode();
>       int InIx = Node->getOperand(0).getResNo();
>       unsigned NumElems = InVal- 
> >getValueType(InIx).getVectorNumElements();
>       MVT EVT = InVal->getValueType(InIx).getVectorElementType();
> @@ -3690,7 +3690,7 @@
>         Result = DAG.UpdateNodeOperands(Result, Tmp1);
>         if (isCustom) {
>           Tmp1 = TLI.LowerOperation(Result, DAG);
> -          if (Tmp1.Val) Result = Tmp1;
> +          if (Tmp1.getNode()) Result = Tmp1;
>         }
>         break;
>       case TargetLowering::Promote:
> @@ -3832,7 +3832,7 @@
>       if (TLI.getOperationAction(Node->getOpcode(), Node- 
> >getValueType(0)) ==
>           TargetLowering::Custom) {
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>       }
>       break;
>     case Promote:
> @@ -3904,7 +3904,7 @@
>     Result = DAG.UpdateNodeOperands(Result, Ops, 6);
>     // The only option for this node is to custom lower it.
>     Result = TLI.LowerOperation(Result, DAG);
> -    assert(Result.Val && "Should always custom lower!");
> +    assert(Result.getNode() && "Should always custom lower!");
>
>     // Since trampoline produces two values, make sure to remember  
> that we
>     // legalized both of them.
> @@ -3920,7 +3920,7 @@
>     default: assert(0 && "This action not supported for this op  
> yet!");
>     case TargetLowering::Custom:
>       Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) break;
> +      if (Result.getNode()) break;
>       // Fall Thru
>     case TargetLowering::Legal:
>       // If this operation is not supported, lower it to constant 1
> @@ -3939,7 +3939,7 @@
>       break;
>     case TargetLowering::Custom:
>       Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) break;
> +      if (Result.getNode()) break;
>       // Fall Thru
>     case TargetLowering::Expand:
>       // If this operation is not supported, lower it to 'abort()'  
> call
> @@ -3984,7 +3984,7 @@
>
>   SDValue Tmp1, Tmp2, Tmp3;
>   SDValue Result;
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>
>   DenseMap<SDValue, SDValue>::iterator I = PromotedNodes.find(Op);
>   if (I != PromotedNodes.end()) return I->second;
> @@ -4461,7 +4461,7 @@
>     break;
>   }
>
> -  assert(Result.Val && "Didn't set a result!");
> +  assert(Result.getNode() && "Didn't set a result!");
>
>   // Make sure the result is itself legal.
>   Result = LegalizeOp(Result);
> @@ -4491,7 +4491,7 @@
>     Vec = LegalizeOp(Vec);
>     Op = DAG.UpdateNodeOperands(Op, Vec, Idx);
>     SDValue Tmp3 = TLI.LowerOperation(Op, DAG);
> -    if (Tmp3.Val)
> +    if (Tmp3.getNode())
>       return Tmp3;
>     break;
>   }
> @@ -4697,14 +4697,14 @@
>
>       SDValue Dummy;
>       SDValue Ops[2] = { LHS, RHS };
> -      Tmp1 = ExpandLibCall(LC1, DAG.getMergeValues(Ops, 2).Val,
> +      Tmp1 = ExpandLibCall(LC1, DAG.getMergeValues(Ops, 2).getNode(),
>                            false /*sign irrelevant*/, Dummy);
>       Tmp2 = DAG.getConstant(0, MVT::i32);
>       CC = DAG.getCondCode(TLI.getCmpLibcallCC(LC1));
>       if (LC2 != RTLIB::UNKNOWN_LIBCALL) {
>         Tmp1 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(Tmp1),  
> Tmp1, Tmp2,
>                            CC);
> -        LHS = ExpandLibCall(LC2, DAG.getMergeValues(Ops, 2).Val,
> +        LHS = ExpandLibCall(LC2, DAG.getMergeValues(Ops,  
> 2).getNode(),
>                             false /*sign irrelevant*/, Dummy);
>         Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHS),  
> LHS, Tmp2,
>                            DAG.getCondCode(TLI.getCmpLibcallCC(LC2)));
> @@ -4791,16 +4791,16 @@
>       TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, false,  
> true, NULL);
>       Tmp1 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSLo), LHSLo,  
> RHSLo,
>                                LowCC, false, DagCombineInfo);
> -      if (!Tmp1.Val)
> +      if (!Tmp1.getNode())
>         Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo,  
> RHSLo, LowCC);
>       Tmp2 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi,  
> RHSHi,
>                                CCCode, false, DagCombineInfo);
> -      if (!Tmp2.Val)
> +      if (!Tmp2.getNode())
>         Tmp2 = DAG.getNode(ISD::SETCC,  
> TLI.getSetCCResultType(LHSHi), LHSHi,
>                            RHSHi,CC);
>
> -      ConstantSDNode *Tmp1C = dyn_cast<ConstantSDNode>(Tmp1.Val);
> -      ConstantSDNode *Tmp2C = dyn_cast<ConstantSDNode>(Tmp2.Val);
> +      ConstantSDNode *Tmp1C =  
> dyn_cast<ConstantSDNode>(Tmp1.getNode());
> +      ConstantSDNode *Tmp2C =  
> dyn_cast<ConstantSDNode>(Tmp2.getNode());
>       if ((Tmp1C && Tmp1C->isNullValue()) ||
>           (Tmp2C && Tmp2C->isNullValue() &&
>            (CCCode == ISD::SETLE || CCCode == ISD::SETGE ||
> @@ -4816,7 +4816,7 @@
>       } else {
>         Result = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi),  
> LHSHi, RHSHi,
>                                    ISD::SETEQ, false, DagCombineInfo);
> -        if (!Result.Val)
> +        if (!Result.getNode())
>           Result=DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi,  
> RHSHi,
>                               ISD::SETEQ);
>         Result = LegalizeOp(DAG.getNode(ISD::SELECT,  
> Tmp1.getValueType(),
> @@ -4958,7 +4958,7 @@
>                        PseudoSourceValue::getConstantPool(), 0);
>   }
>
> -  if (SplatValue.Val) {   // Splat of one value?
> +  if (SplatValue.getNode()) {   // Splat of one value?
>     // Build the shuffle constant vector: <0, 0, 0, 0>
>     MVT MaskVT = MVT::getIntVectorWithNumElements(NumElems);
>     SDValue Zero = DAG.getConstant(0, MaskVT.getVectorElementType());
> @@ -5095,7 +5095,7 @@
>   unsigned NVTBits = NVT.getSizeInBits();
>
>   // Handle the case when Amt is an immediate.
> -  if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Amt.Val)) {
> +  if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Amt.getNode())) {
>     unsigned Cst = CN->getValue();
>     // Expand the incoming operand to be shifted, so that we have  
> its parts
>     SDValue InL, InH;
> @@ -5292,14 +5292,14 @@
>       // FALLTHROUGH
>     case TargetLowering::Legal:
>       Tmp1 = LegalizeOp(Op);
> -      if (Result.Val)
> +      if (Result.getNode())
>         Result = DAG.UpdateNodeOperands(Result, Tmp1);
>       else
>         Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP :  
> ISD::UINT_TO_FP,
>                              DestTy, Tmp1);
>       if (isCustom) {
>         Tmp1 = TLI.LowerOperation(Result, DAG);
> -        if (Tmp1.Val) Result = Tmp1;
> +        if (Tmp1.getNode()) Result = Tmp1;
>       }
>       break;
>     case TargetLowering::Expand:
> @@ -5322,7 +5322,7 @@
>       Tmp1 = DAG.getZeroExtendInReg(Tmp1,
>                                     Op.getValueType());
>     }
> -    if (Result.Val)
> +    if (Result.getNode())
>       Result = DAG.UpdateNodeOperands(Result, Tmp1);
>     else
>       Result = DAG.getNode(isSigned ? ISD::SINT_TO_FP :  
> ISD::UINT_TO_FP,
> @@ -5427,7 +5427,7 @@
>   case TargetLowering::Custom: {
>     SDValue NV = TLI.LowerOperation(DAG.getNode(ISD::SINT_TO_FP,  
> DestTy,
>                                                   Source), DAG);
> -    if (NV.Val)
> +    if (NV.getNode())
>       return LegalizeOp(NV);
>     break;   // The target decided this was legal after all
>   }
> @@ -5448,8 +5448,8 @@
>
>   Source = DAG.getNode(ISD::SINT_TO_FP, DestTy, Source);
>   SDValue HiPart;
> -  SDValue Result = ExpandLibCall(LC, Source.Val, isSigned, HiPart);
> -  if (Result.getValueType() != DestTy && HiPart.Val)
> +  SDValue Result = ExpandLibCall(LC, Source.getNode(), isSigned,  
> HiPart);
> +  if (Result.getValueType() != DestTy && HiPart.getNode())
>     Result = DAG.getNode(ISD::BUILD_PAIR, DestTy, Result, HiPart);
>   return Result;
> }
> @@ -5665,8 +5665,8 @@
>   // the target lowering hooks to expand it.  Just keep the low part  
> of the
>   // expanded operation, we know that we're truncating anyway.
>   if (getTypeAction(NewOutTy) == Expand) {
> -    Operation = SDValue(TLI.ReplaceNodeResults(Operation.Val, DAG),  
> 0);
> -    assert(Operation.Val && "Didn't return anything");
> +    Operation = SDValue(TLI.ReplaceNodeResults(Operation.getNode(),  
> DAG), 0);
> +    assert(Operation.getNode() && "Didn't return anything");
>   }
>
>   // Truncate the result of the extended FP_TO_*INT operation to the  
> desired
> @@ -5794,7 +5794,7 @@
> void SelectionDAGLegalize::ExpandOp(SDValue Op, SDValue &Lo, SDValue  
> &Hi){
>   MVT VT = Op.getValueType();
>   MVT NVT = TLI.getTypeToTransformTo(VT);
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>   assert(getTypeAction(VT) == Expand && "Not an expanded type!");
>   assert(((NVT.isInteger() && NVT.bitsLT(VT)) ||  
> VT.isFloatingPoint() ||
>          VT.isVector()) && "Cannot expand to FP value or to larger  
> int value!");
> @@ -5820,9 +5820,9 @@
>       Src = DAG.getNode(ISD::BUILD_PAIR, VT, SrcLo, SrcHi);
>       SDValue Result = TLI.LowerOperation(
>         DAG.getNode(ISD::FP_ROUND_INREG, VT, Src, Op.getOperand(1)),  
> DAG);
> -      assert(Result.Val->getOpcode() == ISD::BUILD_PAIR);
> -      Lo = Result.Val->getOperand(0);
> -      Hi = Result.Val->getOperand(1);
> +      assert(Result.getNode()->getOpcode() == ISD::BUILD_PAIR);
> +      Lo = Result.getNode()->getOperand(0);
> +      Hi = Result.getNode()->getOperand(1);
>       break;
>     }
>     // fall through
> @@ -6145,7 +6145,7 @@
>     }
>
>     // Turn this into a load/store pair by default.
> -    if (Tmp.Val == 0)
> +    if (Tmp.getNode() == 0)
>       Tmp = EmitStackConvert(Node->getOperand(0), VT, VT);
>
>     ExpandOp(Tmp, Lo, Hi);
> @@ -6157,7 +6157,7 @@
>                  TargetLowering::Custom &&
>            "Must custom expand ReadCycleCounter");
>     SDValue Tmp = TLI.LowerOperation(Op, DAG);
> -    assert(Tmp.Val && "Node must be custom expanded!");
> +    assert(Tmp.getNode() && "Node must be custom expanded!");
>     ExpandOp(Tmp.getValue(0), Lo, Hi);
>     AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized  
> the chain.
>                         LegalizeOp(Tmp.getValue(1)));
> @@ -6170,7 +6170,7 @@
>   case ISD::ATOMIC_CMP_SWAP_32:
>   case ISD::ATOMIC_CMP_SWAP_64: {
>     SDValue Tmp = TLI.LowerOperation(Op, DAG);
> -    assert(Tmp.Val && "Node must be custom expanded!");
> +    assert(Tmp.getNode() && "Node must be custom expanded!");
>     ExpandOp(Tmp.getValue(0), Lo, Hi);
>     AddLegalizedOperand(SDValue(Node, 1), // Remember we legalized  
> the chain.
>                         LegalizeOp(Tmp.getValue(1)));
> @@ -6194,7 +6194,7 @@
>
>       // Now that the custom expander is done, expand the result,  
> which is still
>       // VT.
> -      if (Op.Val) {
> +      if (Op.getNode()) {
>         ExpandOp(Op, Lo, Hi);
>         break;
>       }
> @@ -6219,7 +6219,7 @@
>       Op = TLI.LowerOperation(DAG.getNode(ISD::FP_TO_UINT, VT, Op),  
> DAG);
>
>       // Now that the custom expander is done, expand the result.
> -      if (Op.Val) {
> +      if (Op.getNode()) {
>         ExpandOp(Op, Lo, Hi);
>         break;
>       }
> @@ -6238,7 +6238,7 @@
>     if (TLI.getOperationAction(ISD::SHL, VT) ==  
> TargetLowering::Custom) {
>       SDValue Op = DAG.getNode(ISD::SHL, VT, Node->getOperand(0),  
> ShiftAmt);
>       Op = TLI.LowerOperation(Op, DAG);
> -      if (Op.Val) {
> +      if (Op.getNode()) {
>         // Now that the custom expander is done, expand the result,  
> which is
>         // still VT.
>         ExpandOp(Op, Lo, Hi);
> @@ -6288,7 +6288,7 @@
>     if (TLI.getOperationAction(ISD::SRA, VT) ==  
> TargetLowering::Custom) {
>       SDValue Op = DAG.getNode(ISD::SRA, VT, Node->getOperand(0),  
> ShiftAmt);
>       Op = TLI.LowerOperation(Op, DAG);
> -      if (Op.Val) {
> +      if (Op.getNode()) {
>         // Now that the custom expander is done, expand the result,  
> which is
>         // still VT.
>         ExpandOp(Op, Lo, Hi);
> @@ -6320,7 +6320,7 @@
>     if (TLI.getOperationAction(ISD::SRL, VT) ==  
> TargetLowering::Custom) {
>       SDValue Op = DAG.getNode(ISD::SRL, VT, Node->getOperand(0),  
> ShiftAmt);
>       Op = TLI.LowerOperation(Op, DAG);
> -      if (Op.Val) {
> +      if (Op.getNode()) {
>         // Now that the custom expander is done, expand the result,  
> which is
>         // still VT.
>         ExpandOp(Op, Lo, Hi);
> @@ -6352,7 +6352,7 @@
>     if (TLI.getOperationAction(Node->getOpcode(), VT) ==
>             TargetLowering::Custom) {
>       SDValue Result = TLI.LowerOperation(Op, DAG);
> -      if (Result.Val) {
> +      if (Result.getNode()) {
>         ExpandOp(Result, Lo, Hi);
>         break;
>       }
> @@ -6425,7 +6425,7 @@
>     // If the target wants to custom expand this, let them.
>     if (TLI.getOperationAction(ISD::MUL, VT) ==  
> TargetLowering::Custom) {
>       SDValue New = TLI.LowerOperation(Op, DAG);
> -      if (New.Val) {
> +      if (New.getNode()) {
>         ExpandOp(New, Lo, Hi);
>         break;
>       }
> @@ -6450,7 +6450,7 @@
>         if (HasUMUL_LOHI) {
>           // We can emit a umul_lohi.
>           Lo = DAG.getNode(ISD::UMUL_LOHI, DAG.getVTList(NVT, NVT),  
> LL, RL);
> -          Hi = SDValue(Lo.Val, 1);
> +          Hi = SDValue(Lo.getNode(), 1);
>           break;
>         }
>         if (HasMULHU) {
> @@ -6465,7 +6465,7 @@
>         if (HasSMUL_LOHI) {
>           // We can emit a smul_lohi.
>           Lo = DAG.getNode(ISD::SMUL_LOHI, DAG.getVTList(NVT, NVT),  
> LL, RL);
> -          Hi = SDValue(Lo.Val, 1);
> +          Hi = SDValue(Lo.getNode(), 1);
>           break;
>         }
>         if (HasMULHS) {
> @@ -6678,7 +6678,7 @@
>         ? DAG.getNode(ISD::SIGN_EXTEND_INREG, Tmp.getValueType(), Tmp,
>                       DAG.getValueType(SrcVT))
>         : DAG.getZeroExtendInReg(Tmp, SrcVT);
> -      Node = DAG.UpdateNodeOperands(Op, Tmp).Val;
> +      Node = DAG.UpdateNodeOperands(Op, Tmp).getNode();
>       SrcVT = Node->getOperand(0).getValueType();
>     }
>
> @@ -6739,7 +6739,7 @@
>   // is a type that requires multi-step expansion.
>   if (getTypeAction(NVT) != Expand && NVT != MVT::isVoid) {
>     Lo = LegalizeOp(Lo);
> -    if (Hi.Val)
> +    if (Hi.getNode())
>       // Don't legalize the high part if it is expanded to a single  
> node.
>       Hi = LegalizeOp(Hi);
>   }
> @@ -6755,7 +6755,7 @@
> void SelectionDAGLegalize::SplitVectorOp(SDValue Op, SDValue &Lo,
>                                          SDValue &Hi) {
>   assert(Op.getValueType().isVector() && "Cannot split non-vector  
> type!");
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>   unsigned NumElements = Op.getValueType().getVectorNumElements();
>   assert(NumElements > 1 && "Cannot split a single element vector!");
>
> @@ -7033,7 +7033,7 @@
>       unsigned LdAlign = TLI.getTargetData()->getPrefTypeAlignment(
>                                              
> Op.getValueType().getTypeForMVT());
>       SDValue Ptr = DAG.CreateStackTemporary(InOp.getValueType(),  
> LdAlign);
> -      int FI = cast<FrameIndexSDNode>(Ptr.Val)->getIndex();
> +      int FI = cast<FrameIndexSDNode>(Ptr.getNode())->getIndex();
>
>       SDValue St = DAG.getStore(DAG.getEntryNode(),
>                                   InOp, Ptr,
> @@ -7061,7 +7061,7 @@
> /// scalar (e.g. f32) value.
> SDValue SelectionDAGLegalize::ScalarizeVectorOp(SDValue Op) {
>   assert(Op.getValueType().isVector() && "Bad ScalarizeVectorOp  
> invocation!");
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>   MVT NewVT = Op.getValueType().getVectorElementType();
>   assert(Op.getValueType().getVectorNumElements() == 1);
>
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp Thu  
> Aug 28 16:40:38 2008
> @@ -76,7 +76,7 @@
>   }
>
>   // If R is null, the sub-method took care of registering the result.
> -  if (R.Val)
> +  if (R.getNode())
>     SetSoftenedFloat(SDValue(N, ResNo), R);
> }
>
> @@ -311,11 +311,11 @@
>   }
>
>   // If the result is null, the sub-method took care of registering  
> results etc.
> -  if (!Res.Val) return false;
> +  if (!Res.getNode()) return false;
>
>   // If the result is N, the sub-method updated N in place.  Check  
> to see if any
>   // operands are new, and if so, mark them.
> -  if (Res.Val == N) {
> +  if (Res.getNode() == N) {
>     // Mark N as new and remark N and its operands.  This allows us  
> to correctly
>     // revisit N if it needs another step of promotion and allows us  
> to visit
>     // any new operands to N.
> @@ -438,7 +438,7 @@
>
>   // If SoftenSetCCOperands returned a scalar, we need to compare  
> the result
>   // against zero to select between true and false values.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     NewRHS = DAG.getConstant(0, NewLHS.getValueType());
>     CCCode = ISD::SETNE;
>   }
> @@ -472,7 +472,7 @@
>
>   // If SoftenSetCCOperands returned a scalar, we need to compare  
> the result
>   // against zero to select between true and false values.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     NewRHS = DAG.getConstant(0, NewLHS.getValueType());
>     CCCode = ISD::SETNE;
>   }
> @@ -489,7 +489,7 @@
>   SoftenSetCCOperands(NewLHS, NewRHS, CCCode);
>
>   // If SoftenSetCCOperands returned a scalar, use it.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     assert(NewLHS.getValueType() == N->getValueType(0) &&
>            "Unexpected setcc expansion!");
>     return NewLHS;
> @@ -577,7 +577,7 @@
>   }
>
>   // If Lo/Hi is null, the sub-method took care of registering  
> results etc.
> -  if (Lo.Val)
> +  if (Lo.getNode())
>     SetExpandedFloat(SDValue(N, ResNo), Lo, Hi);
> }
>
> @@ -603,7 +603,7 @@
>                                             RTLIB::ADD_PPCF128),
>                                N->getValueType(0), Ops, 2,
>                                false);
> -  assert(Call.Val->getOpcode() == ISD::BUILD_PAIR && "Call lowered  
> wrongly!");
> +  assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && "Call  
> lowered wrongly!");
>   Lo = Call.getOperand(0); Hi = Call.getOperand(1);
> }
>
> @@ -630,7 +630,7 @@
>                                             RTLIB::DIV_PPCF128),
>                                N->getValueType(0), Ops, 2,
>                                false);
> -  assert(Call.Val->getOpcode() == ISD::BUILD_PAIR && "Call lowered  
> wrongly!");
> +  assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && "Call  
> lowered wrongly!");
>   Lo = Call.getOperand(0); Hi = Call.getOperand(1);
> }
>
> @@ -644,7 +644,7 @@
>                                             RTLIB::MUL_PPCF128),
>                                N->getValueType(0), Ops, 2,
>                                false);
> -  assert(Call.Val->getOpcode() == ISD::BUILD_PAIR && "Call lowered  
> wrongly!");
> +  assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && "Call  
> lowered wrongly!");
>   Lo = Call.getOperand(0); Hi = Call.getOperand(1);
> }
>
> @@ -672,7 +672,7 @@
>                                             RTLIB::SUB_PPCF128),
>                                N->getValueType(0), Ops, 2,
>                                false);
> -  assert(Call.Val->getOpcode() == ISD::BUILD_PAIR && "Call lowered  
> wrongly!");
> +  assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && "Call  
> lowered wrongly!");
>   Lo = Call.getOperand(0); Hi = Call.getOperand(1);
> }
>
> @@ -734,7 +734,7 @@
>     assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported XINT_TO_FP!");
>
>     Hi = MakeLibCall(LC, VT, &Src, 1, true);
> -    assert(Hi.Val->getOpcode() == ISD::BUILD_PAIR && "Call lowered  
> wrongly!");
> +    assert(Hi.getNode()->getOpcode() == ISD::BUILD_PAIR && "Call  
> lowered wrongly!");
>     Lo = Hi.getOperand(0); Hi = Hi.getOperand(1);
>   }
>
> @@ -790,7 +790,7 @@
>       == TargetLowering::Custom)
>     Res = TLI.LowerOperation(SDValue(N, OpNo), DAG);
>
> -  if (Res.Val == 0) {
> +  if (Res.getNode() == 0) {
>     switch (N->getOpcode()) {
>     default:
>   #ifndef NDEBUG
> @@ -816,10 +816,10 @@
>   }
>
>   // If the result is null, the sub-method took care of registering  
> results etc.
> -  if (!Res.Val) return false;
> +  if (!Res.getNode()) return false;
>   // If the result is N, the sub-method updated N in place.  Check  
> to see if any
>   // operands are new, and if so, mark them.
> -  if (Res.Val == N) {
> +  if (Res.getNode() == N) {
>     // Mark N as new and remark N and its operands.  This allows us  
> to correctly
>     // revisit N if it needs another step of expansion and allows us  
> to visit
>     // any new operands to N.
> @@ -869,7 +869,7 @@
>
>   // If ExpandSetCCOperands returned a scalar, we need to compare  
> the result
>   // against zero to select between true and false values.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     NewRHS = DAG.getConstant(0, NewLHS.getValueType());
>     CCCode = ISD::SETNE;
>   }
> @@ -910,7 +910,7 @@
>
>   // If ExpandSetCCOperands returned a scalar, we need to compare  
> the result
>   // against zero to select between true and false values.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     NewRHS = DAG.getConstant(0, NewLHS.getValueType());
>     CCCode = ISD::SETNE;
>   }
> @@ -927,7 +927,7 @@
>   FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode);
>
>   // If ExpandSetCCOperands returned a scalar, use it.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     assert(NewLHS.getValueType() == N->getValueType(0) &&
>            "Unexpected setcc expansion!");
>     return NewLHS;
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Thu  
> Aug 28 16:40:38 2008
> @@ -99,7 +99,7 @@
>   }
>
>   // If Result is null, the sub-method took care of registering the  
> result.
> -  if (Result.Val)
> +  if (Result.getNode())
>     SetPromotedInteger(SDValue(N, ResNo), Result);
> }
>
> @@ -167,7 +167,7 @@
>   // Otherwise, lower the bit-convert to a store/load from the  
> stack, then
>   // promote the load.
>   SDValue Op = CreateStackStoreLoad(InOp, N->getValueType(0));
> -  return PromoteIntRes_LOAD(cast<LoadSDNode>(Op.Val));
> +  return PromoteIntRes_LOAD(cast<LoadSDNode>(Op.getNode()));
> }
>
> SDValue DAGTypeLegalizer::PromoteIntRes_BSWAP(SDNode *N) {
> @@ -494,7 +494,7 @@
>       == TargetLowering::Custom)
>     Res = TLI.LowerOperation(SDValue(N, OpNo), DAG);
>
> -  if (Res.Val == 0) {
> +  if (Res.getNode() == 0) {
>     switch (N->getOpcode()) {
>       default:
>   #ifndef NDEBUG
> @@ -529,9 +529,9 @@
>   }
>
>   // If the result is null, the sub-method took care of registering  
> results etc.
> -  if (!Res.Val) return false;
> +  if (!Res.getNode()) return false;
>   // If the result is N, the sub-method updated N in place.
> -  if (Res.Val == N) {
> +  if (Res.getNode() == N) {
>     // Mark N as new and remark N and its operands.  This allows us  
> to correctly
>     // revisit N if it needs another step of promotion and allows us  
> to visit
>     // any new operands to N.
> @@ -885,7 +885,7 @@
>   }
>
>   // If Lo/Hi is null, the sub-method took care of registering  
> results etc.
> -  if (Lo.Val)
> +  if (Lo.getNode())
>     SetExpandedInteger(SDValue(N, ResNo), Lo, Hi);
> }
>
> @@ -1395,7 +1395,7 @@
>       if (HasUMUL_LOHI) {
>         // We can emit a umul_lohi.
>         Lo = DAG.getNode(ISD::UMUL_LOHI, DAG.getVTList(NVT, NVT),  
> LL, RL);
> -        Hi = SDValue(Lo.Val, 1);
> +        Hi = SDValue(Lo.getNode(), 1);
>         return;
>       }
>       if (HasMULHU) {
> @@ -1410,7 +1410,7 @@
>       if (HasSMUL_LOHI) {
>         // We can emit a smul_lohi.
>         Lo = DAG.getNode(ISD::SMUL_LOHI, DAG.getVTList(NVT, NVT),  
> LL, RL);
> -        Hi = SDValue(Lo.Val, 1);
> +        Hi = SDValue(Lo.getNode(), 1);
>         return;
>       }
>       if (HasMULHS) {
> @@ -1706,7 +1706,7 @@
>       == TargetLowering::Custom)
>     Res = TLI.LowerOperation(SDValue(N, OpNo), DAG);
>
> -  if (Res.Val == 0) {
> +  if (Res.getNode() == 0) {
>     switch (N->getOpcode()) {
>     default:
>   #ifndef NDEBUG
> @@ -1732,10 +1732,10 @@
>   }
>
>   // If the result is null, the sub-method took care of registering  
> results etc.
> -  if (!Res.Val) return false;
> +  if (!Res.getNode()) return false;
>   // If the result is N, the sub-method updated N in place.  Check  
> to see if any
>   // operands are new, and if so, mark them.
> -  if (Res.Val == N) {
> +  if (Res.getNode() == N) {
>     // Mark N as new and remark N and its operands.  This allows us  
> to correctly
>     // revisit N if it needs another step of expansion and allows us  
> to visit
>     // any new operands to N.
> @@ -1814,16 +1814,16 @@
>   SDValue Tmp1, Tmp2;
>   Tmp1 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSLo), LHSLo,  
> RHSLo, LowCC,
>                            false, DagCombineInfo);
> -  if (!Tmp1.Val)
> +  if (!Tmp1.getNode())
>     Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo,  
> LowCC);
>   Tmp2 = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi,  
> RHSHi,
>                            CCCode, false, DagCombineInfo);
> -  if (!Tmp2.Val)
> +  if (!Tmp2.getNode())
>     Tmp2 = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(LHSHi),  
> LHSHi, RHSHi,
>                        DAG.getCondCode(CCCode));
>
> -  ConstantSDNode *Tmp1C = dyn_cast<ConstantSDNode>(Tmp1.Val);
> -  ConstantSDNode *Tmp2C = dyn_cast<ConstantSDNode>(Tmp2.Val);
> +  ConstantSDNode *Tmp1C = dyn_cast<ConstantSDNode>(Tmp1.getNode());
> +  ConstantSDNode *Tmp2C = dyn_cast<ConstantSDNode>(Tmp2.getNode());
>   if ((Tmp1C && Tmp1C->isNullValue()) ||
>       (Tmp2C && Tmp2C->isNullValue() &&
>        (CCCode == ISD::SETLE || CCCode == ISD::SETGE ||
> @@ -1841,7 +1841,7 @@
>
>   NewLHS = TLI.SimplifySetCC(TLI.getSetCCResultType(LHSHi), LHSHi,  
> RHSHi,
>                              ISD::SETEQ, false, DagCombineInfo);
> -  if (!NewLHS.Val)
> +  if (!NewLHS.getNode())
>     NewLHS = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi,
>                           ISD::SETEQ);
>   NewLHS = DAG.getNode(ISD::SELECT, Tmp1.getValueType(),
> @@ -1856,7 +1856,7 @@
>
>   // If ExpandSetCCOperands returned a scalar, we need to compare  
> the result
>   // against zero to select between true and false values.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     NewRHS = DAG.getConstant(0, NewLHS.getValueType());
>     CCCode = ISD::SETNE;
>   }
> @@ -1874,7 +1874,7 @@
>
>   // If ExpandSetCCOperands returned a scalar, we need to compare  
> the result
>   // against zero to select between true and false values.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     NewRHS = DAG.getConstant(0, NewLHS.getValueType());
>     CCCode = ISD::SETNE;
>   }
> @@ -1891,7 +1891,7 @@
>   IntegerExpandSetCCOperands(NewLHS, NewRHS, CCCode);
>
>   // If ExpandSetCCOperands returned a scalar, use it.
> -  if (NewRHS.Val == 0) {
> +  if (NewRHS.getNode() == 0) {
>     assert(NewLHS.getValueType() == N->getValueType(0) &&
>            "Unexpected setcc expansion!");
>     return NewLHS;
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -92,7 +92,7 @@
>     bool NeedsRevisit = false;
>     unsigned i;
>     for (i = 0; i != NumOperands; ++i) {
> -      if (IgnoreNodeResults(N->getOperand(i).Val))
> +      if (IgnoreNodeResults(N->getOperand(i).getNode()))
>         continue;
>
>       MVT OpVT = N->getOperand(i).getValueType();
> @@ -194,7 +194,7 @@
>
>     // Check that all operand types are legal.
>     for (unsigned i = 0, NumOps = I->getNumOperands(); i < NumOps; + 
> +i)
> -      if (!IgnoreNodeResults(I->getOperand(i).Val) &&
> +      if (!IgnoreNodeResults(I->getOperand(i).getNode()) &&
>           !isTypeLegal(I->getOperand(i).getValueType())) {
>         cerr << "Operand type " << i << " illegal!\n";
>         Failed = true;
> @@ -221,7 +221,8 @@
> /// AnalyzeNewNode - The specified node is the root of a subtree of  
> potentially
> /// new nodes.  Correct any processed operands (this may change the  
> node) and
> /// calculate the NodeId.
> -void DAGTypeLegalizer::AnalyzeNewNode(SDNode *&N) {
> +void DAGTypeLegalizer::AnalyzeNewNode(SDValue &Val) {
> +  SDNode * const N(Val.getNode());
>   // If this was an existing node that is already done, we're done.
>   if (N->getNodeId() != NewNode)
>     return;
> @@ -246,12 +247,12 @@
>     SDValue OrigOp = N->getOperand(i);
>     SDValue Op = OrigOp;
>
> -    if (Op.Val->getNodeId() == Processed)
> +    if (Op.getNode()->getNodeId() == Processed)
>       RemapNode(Op);
>
> -    if (Op.Val->getNodeId() == NewNode)
> -      AnalyzeNewNode(Op.Val);
> -    else if (Op.Val->getNodeId() == Processed)
> +    if (Op.getNode()->getNodeId() == NewNode)
> +      AnalyzeNewNode(Op);
> +    else if (Op.getNode()->getNodeId() == Processed)
>       ++NumProcessed;
>
>     if (!NewOps.empty()) {
> @@ -267,11 +268,14 @@
>
>   // Some operands changed - update the node.
>   if (!NewOps.empty())
> -    N = DAG.UpdateNodeOperands(SDValue(N, 0), &NewOps[0],  
> NewOps.size()).Val;
> -
> -  N->setNodeId(N->getNumOperands()-NumProcessed);
> -  if (N->getNodeId() == ReadyToProcess)
> -    Worklist.push_back(N);
> +    Val.setNode(DAG.UpdateNodeOperands(SDValue(N, 0),
> +				       &NewOps[0],
> +				       NewOps.size()).getNode());
> +
> +  SDNode * const Nu(Val.getNode());
> +  Nu->setNodeId(Nu->getNumOperands()-NumProcessed);
> +  if (Nu->getNodeId() == ReadyToProcess)
> +    Worklist.push_back(Nu);
> }
>
> namespace {
> @@ -313,8 +317,8 @@
>   if (From == To) return;
>
>   // If expansion produced new nodes, make sure they are properly  
> marked.
> -  ExpungeNode(From.Val);
> -  AnalyzeNewNode(To.Val); // Expunges To.
> +  ExpungeNode(From.getNode());
> +  AnalyzeNewNode(To); // Expunges To.
>
>   // Anything that used the old node should now use the new one.   
> Note that this
>   // can potentially cause recursive merging.
> @@ -333,7 +337,10 @@
>
>   // If expansion produced new nodes, make sure they are properly  
> marked.
>   ExpungeNode(From);
> -  AnalyzeNewNode(To); // Expunges To.
> +
> +  SDValue ToNode(To, 0);
> +  AnalyzeNewNode(ToNode); // Expunges To.
> +  To = ToNode.getNode();
>
>   assert(From->getNumValues() == To->getNumValues() &&
>          "Node results don't match");
> @@ -394,39 +401,39 @@
>
>   for (DenseMap<SDValue, SDValue>::iterator I =  
> PromotedIntegers.begin(),
>        E = PromotedIntegers.end(); I != E; ++I) {
> -    assert(I->first.Val != N);
> +    assert(I->first.getNode() != N);
>     RemapNode(I->second);
>   }
>
>   for (DenseMap<SDValue, SDValue>::iterator I =  
> SoftenedFloats.begin(),
>        E = SoftenedFloats.end(); I != E; ++I) {
> -    assert(I->first.Val != N);
> +    assert(I->first.getNode() != N);
>     RemapNode(I->second);
>   }
>
>   for (DenseMap<SDValue, SDValue>::iterator I =  
> ScalarizedVectors.begin(),
>        E = ScalarizedVectors.end(); I != E; ++I) {
> -    assert(I->first.Val != N);
> +    assert(I->first.getNode() != N);
>     RemapNode(I->second);
>   }
>
>   for (DenseMap<SDValue, std::pair<SDValue, SDValue> >::iterator
>        I = ExpandedIntegers.begin(), E = ExpandedIntegers.end(); I ! 
> = E; ++I){
> -    assert(I->first.Val != N);
> +    assert(I->first.getNode() != N);
>     RemapNode(I->second.first);
>     RemapNode(I->second.second);
>   }
>
>   for (DenseMap<SDValue, std::pair<SDValue, SDValue> >::iterator
>        I = ExpandedFloats.begin(), E = ExpandedFloats.end(); I != E;  
> ++I) {
> -    assert(I->first.Val != N);
> +    assert(I->first.getNode() != N);
>     RemapNode(I->second.first);
>     RemapNode(I->second.second);
>   }
>
>   for (DenseMap<SDValue, std::pair<SDValue, SDValue> >::iterator
>        I = SplitVectors.begin(), E = SplitVectors.end(); I != E; + 
> +I) {
> -    assert(I->first.Val != N);
> +    assert(I->first.getNode() != N);
>     RemapNode(I->second.first);
>     RemapNode(I->second.second);
>   }
> @@ -440,26 +447,26 @@
> }
>
> void DAGTypeLegalizer::SetPromotedInteger(SDValue Op, SDValue  
> Result) {
> -  AnalyzeNewNode(Result.Val);
> +  AnalyzeNewNode(Result);
>
>   SDValue &OpEntry = PromotedIntegers[Op];
> -  assert(OpEntry.Val == 0 && "Node is already promoted!");
> +  assert(OpEntry.getNode() == 0 && "Node is already promoted!");
>   OpEntry = Result;
> }
>
> void DAGTypeLegalizer::SetSoftenedFloat(SDValue Op, SDValue Result) {
> -  AnalyzeNewNode(Result.Val);
> +  AnalyzeNewNode(Result);
>
>   SDValue &OpEntry = SoftenedFloats[Op];
> -  assert(OpEntry.Val == 0 && "Node is already converted to  
> integer!");
> +  assert(OpEntry.getNode() == 0 && "Node is already converted to  
> integer!");
>   OpEntry = Result;
> }
>
> void DAGTypeLegalizer::SetScalarizedVector(SDValue Op, SDValue  
> Result) {
> -  AnalyzeNewNode(Result.Val);
> +  AnalyzeNewNode(Result);
>
>   SDValue &OpEntry = ScalarizedVectors[Op];
> -  assert(OpEntry.Val == 0 && "Node is already scalarized!");
> +  assert(OpEntry.getNode() == 0 && "Node is already scalarized!");
>   OpEntry = Result;
> }
>
> @@ -468,7 +475,7 @@
>   std::pair<SDValue, SDValue> &Entry = ExpandedIntegers[Op];
>   RemapNode(Entry.first);
>   RemapNode(Entry.second);
> -  assert(Entry.first.Val && "Operand isn't expanded");
> +  assert(Entry.first.getNode() && "Operand isn't expanded");
>   Lo = Entry.first;
>   Hi = Entry.second;
> }
> @@ -476,12 +483,12 @@
> void DAGTypeLegalizer::SetExpandedInteger(SDValue Op, SDValue Lo,
>                                           SDValue Hi) {
>   // Lo/Hi may have been newly allocated, if so, add nodeid's as  
> relevant.
> -  AnalyzeNewNode(Lo.Val);
> -  AnalyzeNewNode(Hi.Val);
> +  AnalyzeNewNode(Lo);
> +  AnalyzeNewNode(Hi);
>
>   // Remember that this is the result of the node.
>   std::pair<SDValue, SDValue> &Entry = ExpandedIntegers[Op];
> -  assert(Entry.first.Val == 0 && "Node already expanded");
> +  assert(Entry.first.getNode() == 0 && "Node already expanded");
>   Entry.first = Lo;
>   Entry.second = Hi;
> }
> @@ -491,7 +498,7 @@
>   std::pair<SDValue, SDValue> &Entry = ExpandedFloats[Op];
>   RemapNode(Entry.first);
>   RemapNode(Entry.second);
> -  assert(Entry.first.Val && "Operand isn't expanded");
> +  assert(Entry.first.getNode() && "Operand isn't expanded");
>   Lo = Entry.first;
>   Hi = Entry.second;
> }
> @@ -499,12 +506,12 @@
> void DAGTypeLegalizer::SetExpandedFloat(SDValue Op, SDValue Lo,
>                                         SDValue Hi) {
>   // Lo/Hi may have been newly allocated, if so, add nodeid's as  
> relevant.
> -  AnalyzeNewNode(Lo.Val);
> -  AnalyzeNewNode(Hi.Val);
> +  AnalyzeNewNode(Lo);
> +  AnalyzeNewNode(Hi);
>
>   // Remember that this is the result of the node.
>   std::pair<SDValue, SDValue> &Entry = ExpandedFloats[Op];
> -  assert(Entry.first.Val == 0 && "Node already expanded");
> +  assert(Entry.first.getNode() == 0 && "Node already expanded");
>   Entry.first = Lo;
>   Entry.second = Hi;
> }
> @@ -514,7 +521,7 @@
>   std::pair<SDValue, SDValue> &Entry = SplitVectors[Op];
>   RemapNode(Entry.first);
>   RemapNode(Entry.second);
> -  assert(Entry.first.Val && "Operand isn't split");
> +  assert(Entry.first.getNode() && "Operand isn't split");
>   Lo = Entry.first;
>   Hi = Entry.second;
> }
> @@ -522,12 +529,12 @@
> void DAGTypeLegalizer::SetSplitVector(SDValue Op, SDValue Lo,
>                                       SDValue Hi) {
>   // Lo/Hi may have been newly allocated, if so, add nodeid's as  
> relevant.
> -  AnalyzeNewNode(Lo.Val);
> -  AnalyzeNewNode(Hi.Val);
> +  AnalyzeNewNode(Lo);
> +  AnalyzeNewNode(Hi);
>
>   // Remember that this is the result of the node.
>   std::pair<SDValue, SDValue> &Entry = SplitVectors[Op];
> -  assert(Entry.first.Val == 0 && "Node already split");
> +  assert(Entry.first.getNode() == 0 && "Node already split");
>   Entry.first = Lo;
>   Entry.second = Hi;
> }
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h Thu Aug 28  
> 16:40:38 2008
> @@ -157,7 +157,8 @@
>   /// for the specified node, adding it to the worklist if ready.
>   void ReanalyzeNode(SDNode *N) {
>     N->setNodeId(NewNode);
> -    AnalyzeNewNode(N);
> +    SDValue V(N, 0);
> +    AnalyzeNewNode(V); // FIXME: ignore the change?
>   }
>
>   void NoteDeletion(SDNode *Old, SDNode *New) {
> @@ -168,7 +169,7 @@
>   }
>
> private:
> -  void AnalyzeNewNode(SDNode *&N);
> +  void AnalyzeNewNode(SDValue &Val);
>
>   void ReplaceValueWith(SDValue From, SDValue To);
>   void ReplaceNodeWith(SDNode *From, SDNode *To);
> @@ -197,7 +198,7 @@
>   SDValue GetPromotedInteger(SDValue Op) {
>     SDValue &PromotedOp = PromotedIntegers[Op];
>     RemapNode(PromotedOp);
> -    assert(PromotedOp.Val && "Operand wasn't promoted?");
> +    assert(PromotedOp.getNode() && "Operand wasn't promoted?");
>     return PromotedOp;
>   }
>   void SetPromotedInteger(SDValue Op, SDValue Result);
> @@ -324,7 +325,7 @@
>   SDValue GetSoftenedFloat(SDValue Op) {
>     SDValue &SoftenedOp = SoftenedFloats[Op];
>     RemapNode(SoftenedOp);
> -    assert(SoftenedOp.Val && "Operand wasn't converted to integer?");
> +    assert(SoftenedOp.getNode() && "Operand wasn't converted to  
> integer?");
>     return SoftenedOp;
>   }
>   void SetSoftenedFloat(SDValue Op, SDValue Result);
> @@ -403,7 +404,7 @@
>   SDValue GetScalarizedVector(SDValue Op) {
>     SDValue &ScalarizedOp = ScalarizedVectors[Op];
>     RemapNode(ScalarizedOp);
> -    assert(ScalarizedOp.Val && "Operand wasn't scalarized?");
> +    assert(ScalarizedOp.getNode() && "Operand wasn't scalarized?");
>     return ScalarizedOp;
>   }
>   void SetScalarizedVector(SDValue Op, SDValue Result);
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp Thu  
> Aug 28 16:40:38 2008
> @@ -75,7 +75,7 @@
>
>   // Lower the bit-convert to a store/load from the stack, then  
> expand the load.
>   SDValue Op = CreateStackStoreLoad(InOp, N->getValueType(0));
> -  ExpandRes_NormalLoad(Op.Val, Lo, Hi);
> +  ExpandRes_NormalLoad(Op.getNode(), Lo, Hi);
> }
>
> void DAGTypeLegalizer::ExpandRes_BUILD_PAIR(SDNode *N, SDValue &Lo,
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp Thu  
> Aug 28 16:40:38 2008
> @@ -88,7 +88,7 @@
>   }
>
>   // If R is null, the sub-method took care of registering the result.
> -  if (R.Val)
> +  if (R.getNode())
>     SetScalarizedVector(SDValue(N, ResNo), R);
> }
>
> @@ -184,7 +184,7 @@
>         cerr << "\n");
>   SDValue Res = SDValue();
>
> -  if (Res.Val == 0) {
> +  if (Res.getNode() == 0) {
>     switch (N->getOpcode()) {
>     default:
> #ifndef NDEBUG
> @@ -206,11 +206,11 @@
>   }
>
>   // If the result is null, the sub-method took care of registering  
> results etc.
> -  if (!Res.Val) return false;
> +  if (!Res.getNode()) return false;
>
>   // If the result is N, the sub-method updated N in place.  Check  
> to see if any
>   // operands are new, and if so, mark them.
> -  if (Res.Val == N) {
> +  if (Res.getNode() == N) {
>     // Mark N as new and remark N and its operands.  This allows us  
> to correctly
>     // revisit N if it needs another step of promotion and allows us  
> to visit
>     // any new operands to N.
> @@ -332,7 +332,7 @@
>   }
>
>   // If Lo/Hi is null, the sub-method took care of registering  
> results etc.
> -  if (Lo.Val)
> +  if (Lo.getNode())
>     SetSplitVector(SDValue(N, ResNo), Lo, Hi);
> }
>
> @@ -475,7 +475,7 @@
>   SDValue Load = DAG.getLoad(VecVT, Store, StackPtr, NULL, 0);
>
>   // Split it.
> -  SplitVecRes_LOAD(cast<LoadSDNode>(Load.Val), Lo, Hi);
> +  SplitVecRes_LOAD(cast<LoadSDNode>(Load.getNode()), Lo, Hi);
> }
>
> void DAGTypeLegalizer::SplitVecRes_LOAD(LoadSDNode *LD, SDValue &Lo,
> @@ -595,7 +595,7 @@
>   DEBUG(cerr << "Split node operand: "; N->dump(&DAG); cerr << "\n");
>   SDValue Res = SDValue();
>
> -  if (Res.Val == 0) {
> +  if (Res.getNode() == 0) {
>     switch (N->getOpcode()) {
>     default:
> #ifndef NDEBUG
> @@ -615,11 +615,11 @@
>   }
>
>   // If the result is null, the sub-method took care of registering  
> results etc.
> -  if (!Res.Val) return false;
> +  if (!Res.getNode()) return false;
>
>   // If the result is N, the sub-method updated N in place.  Check  
> to see if any
>   // operands are new, and if so, mark them.
> -  if (Res.Val == N) {
> +  if (Res.getNode() == N) {
>     // Mark N as new and remark N and its operands.  This allows us  
> to correctly
>     // revisit N if it needs another step of promotion and allows us  
> to visit
>     // any new operands to N.
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -122,7 +122,7 @@
>     if (N->getNumOperands() &&
>         N->getOperand(N->getNumOperands()-1).getValueType() ==  
> MVT::Flag) {
>       do {
> -        N = N->getOperand(N->getNumOperands()-1).Val;
> +        N = N->getOperand(N->getNumOperands()-1).getNode();
>         NodeSUnit->FlaggedNodes.push_back(N);
>         assert(N->getNodeId() == -1 && "Node already inserted!");
>         N->setNodeId(NodeSUnit->NodeNum);
> @@ -192,7 +192,7 @@
>         SU->hasPhysRegDefs = true;
>
>       for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
> -        SDNode *OpN = N->getOperand(i).Val;
> +        SDNode *OpN = N->getOperand(i).getNode();
>         if (isPassiveNode(OpN)) continue;   // Not scheduled.
>         SUnit *OpSU = &SUnits[OpN->getNodeId()];
>         assert(OpSU && "Node has no SUnit!");
> @@ -373,7 +373,7 @@
> /// actual operands that will go into the resulting MachineInstr.
> unsigned ScheduleDAG::CountOperands(SDNode *Node) {
>   unsigned N = ComputeMemOperandsEnd(Node);
> -  while (N && isa<MemOperandSDNode>(Node->getOperand(N - 1).Val))
> +  while (N && isa<MemOperandSDNode>(Node->getOperand(N -  
> 1).getNode()))
>     --N; // Ignore MEMOPERAND nodes
>   return N;
> }
> @@ -429,7 +429,7 @@
>     SDNode *User = *UI;
>     bool Match = true;
>     if (User->getOpcode() == ISD::CopyToReg &&
> -        User->getOperand(2).Val == Node &&
> +        User->getOperand(2).getNode() == Node &&
>         User->getOperand(2).getResNo() == ResNo) {
>       unsigned DestReg = cast<RegisterSDNode>(User->getOperand(1))- 
> >getReg();
>       if (TargetRegisterInfo::isVirtualRegister(DestReg)) {
> @@ -440,7 +440,7 @@
>     } else {
>       for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
>         SDValue Op = User->getOperand(i);
> -        if (Op.Val != Node || Op.getResNo() != ResNo)
> +        if (Op.getNode() != Node || Op.getResNo() != ResNo)
>           continue;
>         MVT VT = Node->getValueType(Op.getResNo());
>         if (VT != MVT::Other && VT != MVT::Flag)
> @@ -489,7 +489,7 @@
>
>   SDNode *User = *Node->use_begin();
>   if (User->getOpcode() == ISD::CopyToReg &&
> -      User->getOperand(2).Val == Node &&
> +      User->getOperand(2).getNode() == Node &&
>       User->getOperand(2).getResNo() == ResNo) {
>     unsigned Reg = cast<RegisterSDNode>(User->getOperand(1))- 
> >getReg();
>     if (TargetRegisterInfo::isVirtualRegister(Reg))
> @@ -513,7 +513,7 @@
>          UI != E; ++UI) {
>       SDNode *User = *UI;
>       if (User->getOpcode() == ISD::CopyToReg &&
> -          User->getOperand(2).Val == Node &&
> +          User->getOperand(2).getNode() == Node &&
>           User->getOperand(2).getResNo() == i) {
>         unsigned Reg = cast<RegisterSDNode>(User->getOperand(1))- 
> >getReg();
>         if (TargetRegisterInfo::isVirtualRegister(Reg)) {
> @@ -547,7 +547,7 @@
>   if (Op.isMachineOpcode() &&
>       Op.getMachineOpcode() == TargetInstrInfo::IMPLICIT_DEF) {
>     // Add an IMPLICIT_DEF instruction before every use.
> -    unsigned VReg = getDstOfOnlyCopyToRegUse(Op.Val, Op.getResNo());
> +    unsigned VReg = getDstOfOnlyCopyToRegUse(Op.getNode(),  
> Op.getResNo());
>     // IMPLICIT_DEF can produce any type of result so its  
> TargetInstrDesc
>     // does not include operand register class info.
>     if (!VReg) {
> @@ -600,7 +600,7 @@
>       if (RC && VRC != RC) {
>         cerr << "Register class of operand and regclass of use don't  
> agree!\n";
>         cerr << "Operand = " << IIOpNum << "\n";
> -        cerr << "Op->Val = "; Op.Val->dump(&DAG); cerr << "\n";
> +        cerr << "Op->Val = "; Op.getNode()->dump(&DAG); cerr << "\n";
>         cerr << "MI = "; MI->print(cerr);
>         cerr << "VReg = " << VReg << "\n";
>         cerr << "VReg RegClass     size = " << VRC->getSize()
> @@ -712,7 +712,7 @@
>        UI != E; ++UI) {
>     SDNode *User = *UI;
>     if (User->getOpcode() == ISD::CopyToReg &&
> -        User->getOperand(2).Val == Node) {
> +        User->getOperand(2).getNode() == Node) {
>       unsigned DestReg = cast<RegisterSDNode>(User->getOperand(1))- 
> >getReg();
>       if (TargetRegisterInfo::isVirtualRegister(DestReg)) {
>         VRBase = DestReg;
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp Thu  
> Aug 28 16:40:38 2008
> @@ -224,7 +224,7 @@
>         if (TID.getOperandConstraint(j+NumRes, TOI::TIED_TO) == -1)
>           continue;
>
> -        SDNode *OpN = SU->Node->getOperand(j).Val;
> +        SDNode *OpN = SU->Node->getOperand(j).getNode();
>         SUnit *OpSU = isPassiveNode(OpN) ? NULL : &SUnits[OpN- 
> >getNodeId()];
>         if (OpSU && OperandSeen.count(OpSU) == 1) {
>           // Ok, so SU is not the last use of OpSU, but SU is two- 
> address so
> @@ -233,7 +233,7 @@
>           bool DoCommute = true;
>           for (unsigned k = 0; k < NumOps; ++k) {
>             if (k != j) {
> -              OpN = SU->Node->getOperand(k).Val;
> +              OpN = SU->Node->getOperand(k).getNode();
>               OpSU = isPassiveNode(OpN) ? NULL : &SUnits[OpN- 
> >getNodeId()];
>               if (OpSU && OperandSeen.count(OpSU) == 1) {
>                 DoCommute = false;
> @@ -641,7 +641,7 @@
>   }
>   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
>     const SDValue &Op = N->getOperand(i);
> -    MVT VT = Op.Val->getValueType(Op.getResNo());
> +    MVT VT = Op.getNode()->getValueType(Op.getResNo());
>     if (VT == MVT::Flag)
>       return NULL;
>   }
> @@ -930,7 +930,7 @@
>   unsigned CurCycle = 0;
>   // Add root to Available queue.
>   if (!SUnits.empty()) {
> -    SUnit *RootSU = &SUnits[DAG.getRoot().Val->getNodeId()];
> +    SUnit *RootSU = &SUnits[DAG.getRoot().getNode()->getNodeId()];
>     assert(RootSU->Succs.empty() && "Graph root shouldn't have  
> successors!");
>     RootSU->isAvailable = true;
>     AvailableQueue->push(RootSU);
> @@ -1668,7 +1668,7 @@
>     unsigned NumOps = TID.getNumOperands() - NumRes;
>     for (unsigned i = 0; i != NumOps; ++i) {
>       if (TID.getOperandConstraint(i+NumRes, TOI::TIED_TO) != -1) {
> -        SDNode *DU = SU->Node->getOperand(i).Val;
> +        SDNode *DU = SU->Node->getOperand(i).getNode();
>         if (DU->getNodeId() != -1 &&
>             Op->OrigNode == &(*SUnits)[DU->getNodeId()])
>           return true;
> @@ -1742,7 +1742,7 @@
>     unsigned NumOps = TID.getNumOperands() - NumRes;
>     for (unsigned j = 0; j != NumOps; ++j) {
>       if (TID.getOperandConstraint(j+NumRes, TOI::TIED_TO) != -1) {
> -        SDNode *DU = SU->Node->getOperand(j).Val;
> +        SDNode *DU = SU->Node->getOperand(j).getNode();
>         if (DU->getNodeId() == -1)
>           continue;
>         const SUnit *DUSU = &(*SUnits)[DU->getNodeId()];
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -96,7 +96,7 @@
> 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;
>
> @@ -137,7 +137,7 @@
> 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;
>
> @@ -326,7 +326,7 @@
> static void AddNodeIDOperands(FoldingSetNodeID &ID,
>                               const SDValue *Ops, unsigned NumOps) {
>   for (; NumOps; --NumOps, ++Ops) {
> -    ID.AddPointer(Ops->Val);
> +    ID.AddPointer(Ops->getNode());
>     ID.AddInteger(Ops->getResNo());
>   }
> }
> @@ -1230,9 +1230,9 @@
>     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) {
> @@ -1250,8 +1250,8 @@
>       }
>     }
>   }
> -  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 SDValue();
> @@ -1572,7 +1572,7 @@
>     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();
> @@ -2024,7 +2024,7 @@
>   if (V.getOpcode() == ISD::BUILD_VECTOR)
>     return V.getOperand(Index);
>   if (V.getOpcode() == ISD::VECTOR_SHUFFLE)
> -    return getShuffleScalarElt(V.Val, Index);
> +    return getShuffleScalarElt(V.getNode(), Index);
>   return SDValue();
> }
>
> @@ -2050,7 +2050,7 @@
>
> 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) {
> @@ -2091,7 +2091,7 @@
>   }
>
>   // 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) {
> @@ -2130,7 +2130,7 @@
>     }
>   }
>
> -  unsigned OpOpcode = Operand.Val->getOpcode();
> +  unsigned OpOpcode = Operand.getNode()->getOpcode();
>   switch (Opcode) {
>   case ISD::TokenFactor:
>   case ISD::CONCAT_VECTORS:
> @@ -2150,7 +2150,7 @@
>     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() &&
> @@ -2159,7 +2159,7 @@
>     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() &&
> @@ -2169,7 +2169,7 @@
>            && "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() &&
> @@ -2178,16 +2178,16 @@
>     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:
> @@ -2215,14 +2215,14 @@
>     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;
>   }
>
> @@ -2252,8 +2252,8 @@
>
> SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
>                               SDValue N1, SDValue N2) {
> -  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
> -  ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
> +  ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
> +  ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
>   switch (Opcode) {
>   default: break;
>   case ISD::TokenFactor:
> @@ -2268,8 +2268,8 @@
>     // one big BUILD_VECTOR.
>     if (N1.getOpcode() == ISD::BUILD_VECTOR &&
>         N2.getOpcode() == ISD::BUILD_VECTOR) {
> -      SmallVector<SDValue, 16> Elts(N1.Val->op_begin(), N1.Val- 
> >op_end());
> -      Elts.insert(Elts.end(), N2.Val->op_begin(), N2.Val->op_end());
> +      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;
> @@ -2471,8 +2471,8 @@
>   }
>
>   // 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
> @@ -2615,8 +2615,8 @@
> 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
> @@ -2624,16 +2624,16 @@
>     if (N1.getOpcode() == ISD::BUILD_VECTOR &&
>         N2.getOpcode() == ISD::BUILD_VECTOR &&
>         N3.getOpcode() == ISD::BUILD_VECTOR) {
> -      SmallVector<SDValue, 16> Elts(N1.Val->op_begin(), N1.Val- 
> >op_end());
> -      Elts.insert(Elts.end(), N2.Val->op_begin(), N2.Val->op_end());
> -      Elts.insert(Elts.end(), N3.Val->op_begin(), N3.Val->op_end());
> +      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.
>     SDValue Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)- 
> >get());
> -    if (Simp.Val) return Simp;
> +    if (Simp.getNode()) return Simp;
>     break;
>   }
>   case ISD::SELECT:
> @@ -3049,7 +3049,7 @@
>     SDValue Result =
>       getMemcpyLoadsAndStores(*this, Chain, Dst, Src, ConstantSize- 
> >getValue(),
>                               Align, false, DstSV, DstSVOff, SrcSV,  
> SrcSVOff);
> -    if (Result.Val)
> +    if (Result.getNode())
>       return Result;
>   }
>
> @@ -3059,7 +3059,7 @@
>     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,
> @@ -3103,7 +3103,7 @@
>     SDValue Result =
>       getMemmoveLoadsAndStores(*this, Chain, Dst, Src, ConstantSize- 
> >getValue(),
>                                Align, false, DstSV, DstSVOff, SrcSV,  
> SrcSVOff);
> -    if (Result.Val)
> +    if (Result.getNode())
>       return Result;
>   }
>
> @@ -3112,7 +3112,7 @@
>   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.
> @@ -3146,7 +3146,7 @@
>     SDValue Result =
>       getMemsetStores(*this, Chain, Dst, Src, ConstantSize- 
> >getValue(), Align,
>                       DstSV, DstSVOff);
> -    if (Result.Val)
> +    if (Result.getNode())
>       return Result;
>   }
>
> @@ -3155,7 +3155,7 @@
>   SDValue Result =
>     TLI.EmitTargetCodeForMemset(*this, Chain, Dst, Src, Size, Align,
>                                 DstSV, DstSVOff);
> -  if (Result.Val)
> +  if (Result.getNode())
>     return Result;
>
>   // Emit a library call.
> @@ -3737,7 +3737,7 @@
> /// 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.
> SDValue SelectionDAG::UpdateNodeOperands(SDValue InN, SDValue Op) {
> -  SDNode *N = InN.Val;
> +  SDNode *N = InN.getNode();
>   assert(N->getNumOperands() == 1 && "Update with wrong number of  
> operands");
>
>   // Check to see if there is no change.
> @@ -3756,7 +3756,7 @@
>   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);
> @@ -3765,7 +3765,7 @@
>
> SDValue SelectionDAG::
> UpdateNodeOperands(SDValue InN, SDValue Op1, SDValue Op2) {
> -  SDNode *N = InN.Val;
> +  SDNode *N = InN.getNode();
>   assert(N->getNumOperands() == 2 && "Update with wrong number of  
> operands");
>
>   // Check to see if there is no change.
> @@ -3786,13 +3786,13 @@
>     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.
> @@ -3822,7 +3822,7 @@
>
> SDValue SelectionDAG::
> UpdateNodeOperands(SDValue InN, const SDValue *Ops, unsigned NumOps) {
> -  SDNode *N = InN.Val;
> +  SDNode *N = InN.getNode();
>   assert(N->getNumOperands() == NumOps &&
>          "Update with wrong number of operands");
>
> @@ -3853,7 +3853,7 @@
>       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);
>     }
>   }
>
> @@ -4134,70 +4134,70 @@
> /// 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(~Opcode, VT).Val;
> +  return getNode(~Opcode, VT).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT, SDValue  
> Op1) {
> -  return getNode(~Opcode, VT, Op1).Val;
> +  return getNode(~Opcode, VT, Op1).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
>                                     SDValue Op1, SDValue Op2) {
> -  return getNode(~Opcode, VT, Op1, Op2).Val;
> +  return getNode(~Opcode, VT, Op1, Op2).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
>                                     SDValue Op1, SDValue Op2,
>                                     SDValue Op3) {
> -  return getNode(~Opcode, VT, Op1, Op2, Op3).Val;
> +  return getNode(~Opcode, VT, Op1, Op2, Op3).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
>                                     const SDValue *Ops, unsigned  
> NumOps) {
> -  return getNode(~Opcode, VT, Ops, NumOps).Val;
> +  return getNode(~Opcode, VT, Ops, NumOps).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT  
> VT2) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2);
>   SDValue Op;
> -  return getNode(~Opcode, VTs, 2, &Op, 0).Val;
> +  return getNode(~Opcode, VTs, 2, &Op, 0).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
>                                     MVT VT2, SDValue Op1) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2);
> -  return getNode(~Opcode, VTs, 2, &Op1, 1).Val;
> +  return getNode(~Opcode, VTs, 2, &Op1, 1).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
>                                     MVT VT2, SDValue Op1,
>                                     SDValue Op2) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2);
>   SDValue Ops[] = { Op1, Op2 };
> -  return getNode(~Opcode, VTs, 2, Ops, 2).Val;
> +  return getNode(~Opcode, VTs, 2, Ops, 2).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
>                                     MVT VT2, SDValue Op1,
>                                     SDValue Op2, SDValue Op3) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2);
>   SDValue Ops[] = { Op1, Op2, Op3 };
> -  return getNode(~Opcode, VTs, 2, Ops, 3).Val;
> +  return getNode(~Opcode, VTs, 2, Ops, 3).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2,
>                                     const SDValue *Ops, unsigned  
> NumOps) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2);
> -  return getNode(~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,
>                                     SDValue Op1, SDValue Op2) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
>   SDValue Ops[] = { Op1, Op2 };
> -  return getNode(~Opcode, VTs, 3, Ops, 2).Val;
> +  return getNode(~Opcode, VTs, 3, Ops, 2).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT  
> VT2, MVT VT3,
>                                     SDValue Op1, SDValue Op2,
>                                     SDValue Op3) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
>   SDValue Ops[] = { Op1, Op2, Op3 };
> -  return getNode(~Opcode, VTs, 3, Ops, 3).Val;
> +  return getNode(~Opcode, VTs, 3, Ops, 3).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT  
> VT2, MVT VT3,
>                                     const SDValue *Ops, unsigned  
> NumOps) {
>   const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
> -  return getNode(~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,
> @@ -4208,14 +4208,14 @@
>   VTList.push_back(VT3);
>   VTList.push_back(VT4);
>   const MVT *VTs = getNodeValueTypes(VTList);
> -  return getNode(~Opcode, VTs, 4, Ops, NumOps).Val;
> +  return getNode(~Opcode, VTs, 4, Ops, NumOps).getNode();
> }
> SDNode *SelectionDAG::getTargetNode(unsigned Opcode,
>                                     const std::vector<MVT> &ResultTys,
>                                     const SDValue *Ops, unsigned  
> NumOps) {
>   const MVT *VTs = getNodeValueTypes(ResultTys);
>   return getNode(~Opcode, VTs, ResultTys.size(),
> -                 Ops, NumOps).Val;
> +                 Ops, NumOps).getNode();
> }
>
> /// getNodeIfExists - Get the specified node if it's already  
> available, or
> @@ -4240,10 +4240,10 @@
> ///
> void SelectionDAG::ReplaceAllUsesWith(SDValue FromN, SDValue To,
>                                       DAGUpdateListener  
> *UpdateListener) {
> -  SDNode *From = FromN.Val;
> +  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();
> @@ -4258,7 +4258,7 @@
>         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
> @@ -4305,7 +4305,7 @@
>          I != E; ++I, ++operandNum)
>       if (I->getVal() == From) {
>         From->removeUser(operandNum, U);
> -        I->getVal() = To;
> +        I->getSDValue().setNode(To);
>         To->addUser(operandNum, U);
>       }
>
> @@ -4351,7 +4351,7 @@
>         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
> @@ -4372,7 +4372,7 @@
> }
>
> /// 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(SDValue From, SDValue To,
>                                              DAGUpdateListener  
> *UpdateListener){
> @@ -4380,14 +4380,14 @@
>   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;
>   }
>
> -  // 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(From.Val->use_begin(), From.Val- 
> >use_end());
> +  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
> @@ -4410,10 +4410,10 @@
>     // 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);
>       }
>     }
>
> @@ -4437,7 +4437,7 @@
> }
>
> /// ReplaceAllUsesOfValuesWith - Replace any uses of From with To,  
> leaving
> -/// uses of other values produced by From.Val alone.  The same  
> value may
> +/// 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,
> @@ -4450,8 +4450,8 @@
>
>   SmallVector<std::pair<SDNode *, unsigned>, 16> Users;
>   for (unsigned i = 0; i != Num; ++i)
> -    for (SDNode::use_iterator UI = From[i].Val->use_begin(),
> -         E = From[i].Val->use_end(); UI != E; ++UI)
> +    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()) {
> @@ -4476,10 +4476,10 @@
>     // Update all operands that match "From" in case there are  
> multiple uses.
>     for (; Op != E; ++Op) {
>       if (*Op == From[i]) {
> -        From[i].Val->removeUser(Op-User->op_begin(), User);
> +        From[i].getNode()->removeUser(Op-User->op_begin(), User);
>         *Op = To[i];
>         Op->setUser(User);
> -        To[i].Val->addUser(Op-User->op_begin(), User);
> +        To[i].getNode()->addUser(Op-User->op_begin(), User);
>       }
>     }
>
> @@ -4617,7 +4617,7 @@
>
>   // 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(FI- 
> >getIndex()),
>                              Flags, 0, Size, getAlignment());
> @@ -4746,7 +4746,7 @@
>     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;
> @@ -5115,13 +5115,13 @@
>   OS << " ";
>   for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
>     if (i) OS << ", ";
> -    OS << (void*)getOperand(i).Val;
> +    OS << (void*)getOperand(i).getNode();
>     if (unsigned RN = getOperand(i).getResNo())
>       OS << ":" << RN;
>   }
>
>   if (!isTargetOpcode() && getOpcode() == ISD::VECTOR_SHUFFLE) {
> -    SDNode *Mask = getOperand(2).Val;
> +    SDNode *Mask = getOperand(2).getNode();
>     OS << "<";
>     for (unsigned i = 0, e = Mask->getNumOperands(); i != e; ++i) {
>       if (i) OS << ",";
> @@ -5262,11 +5262,11 @@
>
> 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, ' ');
> @@ -5279,11 +5279,11 @@
>   for (allnodes_const_iterator I = allnodes_begin(), E =  
> allnodes_end();
>        I != E; ++I) {
>     const SDNode *N = I;
> -    if (!N->hasOneUse() && N != getRoot().Val)
> +    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";
> }
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Thu Aug  
> 28 16:40:38 2008
> @@ -784,8 +784,8 @@
>     if (Root.getOpcode() != ISD::EntryToken) {
>       unsigned i = 0, e = PendingExports.size();
>       for (; i != e; ++i) {
> -        assert(PendingExports[i].Val->getNumOperands() > 1);
> -        if (PendingExports[i].Val->getOperand(0) == Root)
> +        assert(PendingExports[i].getNode()->getNumOperands() > 1);
> +        if (PendingExports[i].getNode()->getOperand(0) == Root)
>           break;  // Don't add the root if we already indirectly  
> depend on it.
>       }
>
> @@ -824,7 +824,7 @@
>
>   void setValue(const Value *V, SDValue NewN) {
>     SDValue &N = NodeMap[V];
> -    assert(N.Val == 0 && "Already set a value for this node!");
> +    assert(N.getNode() == 0 && "Already set a value for this node!");
>     N = NewN;
>   }
>
> @@ -1286,7 +1286,7 @@
>
> SDValue SelectionDAGLowering::getValue(const Value *V) {
>   SDValue &N = NodeMap[V];
> -  if (N.Val) return N;
> +  if (N.getNode()) return N;
>
>   if (Constant *C = const_cast<Constant*>(dyn_cast<Constant>(V))) {
>     MVT VT = TLI.getValueType(V->getType(), true);
> @@ -1310,7 +1310,7 @@
>     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
>       visit(CE->getOpcode(), *CE);
>       SDValue N1 = NodeMap[V];
> -      assert(N1.Val && "visit didn't populate the ValueMap!");
> +      assert(N1.getNode() && "visit didn't populate the ValueMap!");
>       return N1;
>     }
>
> @@ -1318,7 +1318,7 @@
>       SmallVector<SDValue, 4> Constants;
>       for (User::const_op_iterator OI = C->op_begin(), OE = C- 
> >op_end();
>            OI != OE; ++OI) {
> -        SDNode *Val = getValue(*OI).Val;
> +        SDNode *Val = getValue(*OI).getNode();
>         for (unsigned i = 0, e = Val->getNumValues(); i != e; ++i)
>           Constants.push_back(SDValue(Val, i));
>       }
> @@ -1428,7 +1428,7 @@
>       else if (F->paramHasAttr(0, ParamAttr::ZExt))
>         ExtendKind = ISD::ZERO_EXTEND;
>
> -      getCopyToParts(DAG, SDValue(RetOp.Val, RetOp.getResNo() + j),
> +      getCopyToParts(DAG, SDValue(RetOp.getNode(), RetOp.getResNo()  
> + j),
>                      &Parts[0], NumParts, PartVT, ExtendKind);
>
>       for (unsigned i = 0; i < NumParts; ++i) {
> @@ -2855,15 +2855,15 @@
>   // Copy the beginning value(s) from the original aggregate.
>   for (; i != LinearIndex; ++i)
>     Values[i] = IntoUndef ? DAG.getNode(ISD::UNDEF, AggValueVTs[i]) :
> -                SDValue(Agg.Val, Agg.getResNo() + i);
> +                SDValue(Agg.getNode(), Agg.getResNo() + i);
>   // Copy values from the inserted value(s).
>   for (; i != LinearIndex + NumValValues; ++i)
>     Values[i] = FromUndef ? DAG.getNode(ISD::UNDEF, AggValueVTs[i]) :
> -                SDValue(Val.Val, Val.getResNo() + i - LinearIndex);
> +                SDValue(Val.getNode(), Val.getResNo() + i -  
> LinearIndex);
>   // Copy remaining value(s) from the original aggregate.
>   for (; i != NumAggValues; ++i)
>     Values[i] = IntoUndef ? DAG.getNode(ISD::UNDEF, AggValueVTs[i]) :
> -                SDValue(Agg.Val, Agg.getResNo() + i);
> +                SDValue(Agg.getNode(), Agg.getResNo() + i);
>
>   setValue(&I, DAG.getMergeValues(DAG.getVTList(&AggValueVTs[0],  
> NumAggValues),
>                                   &Values[0], NumAggValues));
> @@ -2888,8 +2888,8 @@
>   // Copy out the selected value(s).
>   for (unsigned i = LinearIndex; i != LinearIndex + NumValValues; ++i)
>     Values[i - LinearIndex] =
> -      OutOfUndef ? DAG.getNode(ISD::UNDEF, Agg.Val- 
> >getValueType(Agg.getResNo() + i)) :
> -                   SDValue(Agg.Val, Agg.getResNo() + i);
> +      OutOfUndef ? DAG.getNode(ISD::UNDEF, Agg.getNode()- 
> >getValueType(Agg.getResNo() + i)) :
> +                   SDValue(Agg.getNode(), Agg.getResNo() + i);
>
>   setValue(&I, DAG.getMergeValues(DAG.getVTList(&ValValueVTs[0],  
> NumValValues),
>                                   &Values[0], NumValValues));
> @@ -3084,7 +3084,7 @@
>   bool isVolatile = I.isVolatile();
>   unsigned Alignment = I.getAlignment();
>   for (unsigned i = 0; i != NumValues; ++i)
> -    Chains[i] = DAG.getStore(Root, SDValue(Src.Val, Src.getResNo()  
> + i),
> +    Chains[i] = DAG.getStore(Root, SDValue(Src.getNode(),  
> Src.getResNo() + i),
>                              DAG.getNode(ISD::ADD, PtrVT, Ptr,
>                                          DAG.getConstant(Offsets[i],  
> PtrVT)),
>                              PtrV, Offsets[i],
> @@ -3154,7 +3154,7 @@
>                          &Ops[0], Ops.size());
>
>   if (HasChain) {
> -    SDValue Chain = Result.getValue(Result.Val->getNumValues()-1);
> +    SDValue Chain = Result.getValue(Result.getNode()- 
> >getNumValues()-1);
>     if (OnlyLoad)
>       PendingLoads.push_back(Chain);
>     else
> @@ -3621,7 +3621,7 @@
>       Value *Alloca = I.getOperand(1);
>       Constant *TypeMap = cast<Constant>(I.getOperand(2));
>
> -      FrameIndexSDNode *FI =  
> cast<FrameIndexSDNode>(getValue(Alloca).Val);
> +      FrameIndexSDNode *FI =  
> cast<FrameIndexSDNode>(getValue(Alloca).getNode());
>       GFI->addStackRoot(FI->getIndex(), TypeMap);
>     }
>     return 0;
> @@ -4751,7 +4751,7 @@
>
>   // Finish up input operands.
>   AsmNodeOperands[0] = Chain;
> -  if (Flag.Val) AsmNodeOperands.push_back(Flag);
> +  if (Flag.getNode()) AsmNodeOperands.push_back(Flag);
>
>   Chain = DAG.getNode(ISD::INLINEASM,
>                       DAG.getNodeValueTypes(MVT::Other, MVT::Flag), 2,
> @@ -4770,7 +4770,7 @@
>     // bit_convert.
>     if (const StructType *ResSTy =  
> dyn_cast<StructType>(CS.getType())) {
>       for (unsigned i = 0, e = ResSTy->getNumElements(); i != e; + 
> +i) {
> -        if (Val.Val->getValueType(i).isVector())
> +        if (Val.getNode()->getValueType(i).isVector())
>           Val = DAG.getNode(ISD::BIT_CONVERT,
>                             TLI.getValueType(ResSTy- 
> >getElementType(i)), Val);
>       }
> @@ -4963,7 +4963,7 @@
>   // Create the node.
>   SDNode *Result = DAG.getNode(ISD::FORMAL_ARGUMENTS,
>                                DAG.getVTList(&RetVals[0],  
> RetVals.size()),
> -                               &Ops[0], Ops.size()).Val;
> +                               &Ops[0], Ops.size()).getNode();
>
>   // Prelower FORMAL_ARGUMENTS.  This isn't required for  
> functionality, but
>   // allows exposing the loads that may be part of the argument  
> access to the
> @@ -4972,18 +4972,18 @@
>
>   // The number of results should match up, except that the lowered  
> one may have
>   // an extra flag result.
> -  assert((Result->getNumValues() == TmpRes.Val->getNumValues() ||
> -          (Result->getNumValues()+1 == TmpRes.Val->getNumValues() &&
> +  assert((Result->getNumValues() == TmpRes.getNode()- 
> >getNumValues() ||
> +          (Result->getNumValues()+1 == TmpRes.getNode()- 
> >getNumValues() &&
>            TmpRes.getValue(Result->getNumValues()).getValueType() ==  
> MVT::Flag))
>          && "Lowering produced unexpected number of results!");
>
>   // The FORMAL_ARGUMENTS node itself is likely no longer needed.
> -  if (Result != TmpRes.Val && Result->use_empty()) {
> +  if (Result != TmpRes.getNode() && Result->use_empty()) {
>     HandleSDNode Dummy(DAG.getRoot());
>     DAG.RemoveDeadNode(Result);
>   }
>
> -  Result = TmpRes.Val;
> +  Result = TmpRes.getNode();
>
>   unsigned NumArgRegs = Result->getNumValues() - 1;
>   DAG.setRoot(SDValue(Result, NumArgRegs));
> @@ -5044,7 +5044,7 @@
>          Value != NumValues; ++Value) {
>       MVT VT = ValueVTs[Value];
>       const Type *ArgTy = VT.getTypeForMVT();
> -      SDValue Op = SDValue(Args[i].Node.Val,  
> Args[i].Node.getResNo() + Value);
> +      SDValue Op = SDValue(Args[i].Node.getNode(),  
> Args[i].Node.getResNo() + Value);
>       ISD::ArgFlagsTy Flags;
>       unsigned OriginalAlignment =
>         getTargetData()->getABITypeAlignment(ArgTy);
> @@ -5333,7 +5333,7 @@
>
>   // Find RET node.
>   if (Terminator.getOpcode() == ISD::RET) {
> -    Ret = Terminator.Val;
> +    Ret = Terminator.getNode();
>   }
>
>   // Fix tail call attribute of CALL nodes.
> @@ -5355,8 +5355,8 @@
>         // Not eligible. Mark CALL node as non tail call.
>         SmallVector<SDValue, 32> Ops;
>         unsigned idx=0;
> -        for(SDNode::op_iterator I =OpCall.Val->op_begin(),
> -              E = OpCall.Val->op_end(); I != E; I++, idx++) {
> +        for(SDNode::op_iterator I =OpCall.getNode()->op_begin(),
> +              E = OpCall.getNode()->op_end(); I != E; I++, idx++) {
>           if (idx!=3)
>             Ops.push_back(*I);
>           else
> @@ -5369,8 +5369,8 @@
>         SmallVector<SDValue, 32> Ops;
>         SDValue Chain = OpCall.getOperand(0), InFlag;
>         unsigned idx=0;
> -        for(SDNode::op_iterator I = OpCall.Val->op_begin(),
> -              E = OpCall.Val->op_end(); I != E; I++, idx++) {
> +        for(SDNode::op_iterator I = OpCall.getNode()->op_begin(),
> +              E = OpCall.getNode()->op_end(); I != E; I++, idx++) {
>           SDValue Arg = *I;
>           if (idx > 4 && (idx % 2)) {
>             bool isByVal =  
> cast<ARG_FLAGSSDNode>(OpCall.getOperand(idx+1))->
> @@ -5557,7 +5557,7 @@
>   SmallPtrSet<SDNode*, 128> VisitedNodes;
>   SmallVector<SDNode*, 128> Worklist;
>
> -  Worklist.push_back(CurDAG->getRoot().Val);
> +  Worklist.push_back(CurDAG->getRoot().getNode());
>
>   APInt Mask;
>   APInt KnownZero;
> @@ -5574,7 +5574,7 @@
>     // Otherwise, add all chain operands to the worklist.
>     for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
>       if (N->getOperand(i).getValueType() == MVT::Other)
> -        Worklist.push_back(N->getOperand(i).Val);
> +        Worklist.push_back(N->getOperand(i).getNode());
>
>     // If this is a CopyToReg with a vreg dest, process it.
>     if (N->getOpcode() != ISD::CopyToReg)
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp  
> (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp Thu  
> Aug 28 16:40:38 2008
> @@ -109,8 +109,8 @@
>     static void addCustomGraphFeatures(SelectionDAG *G,
>                                        GraphWriter<SelectionDAG*>  
> &GW) {
>       GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
> -      if (G->getRoot().Val)
> -        GW.emitEdge(0, -1, G->getRoot().Val, G->getRoot().getResNo(),
> +      if (G->getRoot().getNode())
> +        GW.emitEdge(0, -1, G->getRoot().getNode(), G- 
> >getRoot().getResNo(),
>                     "color=blue,style=dashed");
>     }
>   };
> @@ -356,7 +356,7 @@
>     static void addCustomGraphFeatures(ScheduleDAG *G,
>                                        GraphWriter<ScheduleDAG*>  
> &GW) {
>       GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
> -      const SDNode *N = G->DAG.getRoot().Val;
> +      const SDNode *N = G->DAG.getRoot().getNode();
>       if (N && N->getNodeId() != -1)
>         GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1,
>                     "color=blue,style=dashed");
>
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Thu Aug  
> 28 16:40:38 2008
> @@ -674,7 +674,7 @@
>   KnownZero = KnownOne = APInt(BitWidth, 0);
>
>   // Other users may use these bits.
> -  if (!Op.Val->hasOneUse()) {
> +  if (!Op.getNode()->hasOneUse()) {
>     if (Depth != 0) {
>       // If not at the root, Just compute the KnownZero/KnownOne  
> bits to
>       // simplify things downstream.
> @@ -1131,7 +1131,7 @@
>
>     // If the input is only used by this truncate, see if we can  
> shrink it based
>     // on the known demanded bits.
> -    if (Op.getOperand(0).Val->hasOneUse()) {
> +    if (Op.getOperand(0).getNode()->hasOneUse()) {
>       SDValue In = Op.getOperand(0);
>       unsigned InBitWidth = In.getValueSizeInBits();
>       switch (In.getOpcode()) {
> @@ -1259,9 +1259,9 @@
>   case ISD::SETTRUE2:  return DAG.getConstant(1, VT);
>   }
>
> -  if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val)) {
> +  if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode())) {
>     const APInt &C1 = N1C->getAPIntValue();
> -    if (isa<ConstantSDNode>(N0.Val)) {
> +    if (isa<ConstantSDNode>(N0.getNode())) {
>       return DAG.FoldSetCC(VT, N0, N1, Cond);
>     } else {
>       // If the LHS is '(srl (ctlz x), 5)', the RHS is 0/1, and this  
> is an
> @@ -1356,7 +1356,7 @@
>                                DAG.getConstant(Imm, Op0Ty));
>         }
>         if (!DCI.isCalledByLegalizer())
> -          DCI.AddToWorklist(ZextOp.Val);
> +          DCI.AddToWorklist(ZextOp.getNode());
>         // Otherwise, make this a use of a zext.
>         return DAG.getSetCC(VT, ZextOp,
>                             DAG.getConstant(C1 & APInt::getLowBitsSet(
> @@ -1493,16 +1493,16 @@
>           }
>         }
>     }
> -  } else if (isa<ConstantSDNode>(N0.Val)) {
> +  } else if (isa<ConstantSDNode>(N0.getNode())) {
>       // Ensure that the constant occurs on the RHS.
>     return DAG.getSetCC(VT, N1, N0,  
> ISD::getSetCCSwappedOperands(Cond));
>   }
>
> -  if (isa<ConstantFPSDNode>(N0.Val)) {
> +  if (isa<ConstantFPSDNode>(N0.getNode())) {
>     // Constant fold or commute setcc.
>     SDValue O = DAG.FoldSetCC(VT, N0, N1, Cond);
> -    if (O.Val) return O;
> -  } else if (ConstantFPSDNode *CFP =  
> dyn_cast<ConstantFPSDNode>(N1.Val)) {
> +    if (O.getNode()) return O;
> +  } else if (ConstantFPSDNode *CFP =  
> dyn_cast<ConstantFPSDNode>(N1.getNode())) {
>     // If the RHS of an FP comparison is a constant, simplify it  
> away in
>     // some cases.
>     if (CFP->getValueAPF().isNaN()) {
> @@ -1564,7 +1564,7 @@
>       if (ConstantSDNode *RHSC = dyn_cast<ConstantSDNode>(N1)) {
>         if (ConstantSDNode *LHSR =  
> dyn_cast<ConstantSDNode>(N0.getOperand(1))) {
>           // Turn (X+C1) == C2 --> X == C2-C1
> -          if (N0.getOpcode() == ISD::ADD && N0.Val->hasOneUse()) {
> +          if (N0.getOpcode() == ISD::ADD && N0.getNode()- 
> >hasOneUse()) {
>             return DAG.getSetCC(VT, N0.getOperand(0),
>                               DAG.getConstant(RHSC->getValue()-LHSR- 
> >getValue(),
>                                 N0.getValueType()), Cond);
> @@ -1585,7 +1585,7 @@
>
>         // Turn (C1-X) == C2 --> X == C1-C2
>         if (ConstantSDNode *SUBC =  
> dyn_cast<ConstantSDNode>(N0.getOperand(0))) {
> -          if (N0.getOpcode() == ISD::SUB && N0.Val->hasOneUse()) {
> +          if (N0.getOpcode() == ISD::SUB && N0.getNode()- 
> >hasOneUse()) {
>             return
>               DAG.getSetCC(VT, N0.getOperand(1),
>                            DAG.getConstant(SUBC->getAPIntValue() -
> @@ -1604,14 +1604,14 @@
>         if (DAG.isCommutativeBinOp(N0.getOpcode()))
>           return DAG.getSetCC(VT, N0.getOperand(0),
>                           DAG.getConstant(0, N0.getValueType()),  
> Cond);
> -        else if (N0.Val->hasOneUse()) {
> +        else if (N0.getNode()->hasOneUse()) {
>           assert(N0.getOpcode() == ISD::SUB && "Unexpected  
> operation!");
>           // (Z-X) == X  --> Z == X<<1
>           SDValue SH = DAG.getNode(ISD::SHL, N1.getValueType(),
>                                      N1,
>                                      DAG.getConstant(1,  
> getShiftAmountTy()));
>           if (!DCI.isCalledByLegalizer())
> -            DCI.AddToWorklist(SH.Val);
> +            DCI.AddToWorklist(SH.getNode());
>           return DAG.getSetCC(VT, N0.getOperand(0), SH, Cond);
>         }
>       }
> @@ -1627,13 +1627,13 @@
>         if (DAG.isCommutativeBinOp(N1.getOpcode())) {
>           return DAG.getSetCC(VT, N1.getOperand(0),
>                           DAG.getConstant(0, N1.getValueType()),  
> Cond);
> -        } else if (N1.Val->hasOneUse()) {
> +        } else if (N1.getNode()->hasOneUse()) {
>           assert(N1.getOpcode() == ISD::SUB && "Unexpected  
> operation!");
>           // X == (Z-X)  --> X<<1 == Z
>           SDValue SH = DAG.getNode(ISD::SHL, N1.getValueType(), N0,
>                                      DAG.getConstant(1,  
> getShiftAmountTy()));
>           if (!DCI.isCalledByLegalizer())
> -            DCI.AddToWorklist(SH.Val);
> +            DCI.AddToWorklist(SH.getNode());
>           return DAG.getSetCC(VT, SH, N1.getOperand(0), Cond);
>         }
>       }
> @@ -1649,7 +1649,7 @@
>       Temp = DAG.getNode(ISD::XOR, MVT::i1, N0, N1);
>       N0 = DAG.getNode(ISD::XOR, MVT::i1, Temp, DAG.getConstant(1,  
> MVT::i1));
>       if (!DCI.isCalledByLegalizer())
> -        DCI.AddToWorklist(Temp.Val);
> +        DCI.AddToWorklist(Temp.getNode());
>       break;
>     case ISD::SETNE:  // X != Y   -->  (X^Y)
>       N0 = DAG.getNode(ISD::XOR, MVT::i1, N0, N1);
> @@ -1659,21 +1659,21 @@
>       Temp = DAG.getNode(ISD::XOR, MVT::i1, N0, DAG.getConstant(1,  
> MVT::i1));
>       N0 = DAG.getNode(ISD::AND, MVT::i1, N1, Temp);
>       if (!DCI.isCalledByLegalizer())
> -        DCI.AddToWorklist(Temp.Val);
> +        DCI.AddToWorklist(Temp.getNode());
>       break;
>     case ISD::SETLT:  // X <s Y   --> X == 1 & Y == 0  -->  Y^1 & X
>     case ISD::SETUGT: // X >u Y   --> X == 1 & Y == 0  -->  Y^1 & X
>       Temp = DAG.getNode(ISD::XOR, MVT::i1, N1, DAG.getConstant(1,  
> MVT::i1));
>       N0 = DAG.getNode(ISD::AND, MVT::i1, N0, Temp);
>       if (!DCI.isCalledByLegalizer())
> -        DCI.AddToWorklist(Temp.Val);
> +        DCI.AddToWorklist(Temp.getNode());
>       break;
>     case ISD::SETULE: // X <=u Y  --> X == 0 | Y == 1  -->  X^1 | Y
>     case ISD::SETGE:  // X >=s Y  --> X == 0 | Y == 1  -->  X^1 | Y
>       Temp = DAG.getNode(ISD::XOR, MVT::i1, N0, DAG.getConstant(1,  
> MVT::i1));
>       N0 = DAG.getNode(ISD::OR, MVT::i1, N1, Temp);
>       if (!DCI.isCalledByLegalizer())
> -        DCI.AddToWorklist(Temp.Val);
> +        DCI.AddToWorklist(Temp.getNode());
>       break;
>     case ISD::SETUGE: // X >=u Y  --> X == 1 | Y == 0  -->  Y^1 | X
>     case ISD::SETLE:  // X <=s Y  --> X == 1 | Y == 0  -->  Y^1 | X
> @@ -1683,7 +1683,7 @@
>     }
>     if (VT != MVT::i1) {
>       if (!DCI.isCalledByLegalizer())
> -        DCI.AddToWorklist(N0.Val);
> +        DCI.AddToWorklist(N0.getNode());
>       // FIXME: If running after legalize, we probably can't do this.
>       N0 = DAG.getNode(ISD::ZERO_EXTEND, VT, N0);
>     }
> @@ -1708,13 +1708,13 @@
>   if (N->getOpcode() == ISD::ADD) {
>     SDValue N1 = N->getOperand(0);
>     SDValue N2 = N->getOperand(1);
> -    if (isGAPlusOffset(N1.Val, GA, Offset)) {
> +    if (isGAPlusOffset(N1.getNode(), GA, Offset)) {
>       ConstantSDNode *V = dyn_cast<ConstantSDNode>(N2);
>       if (V) {
>         Offset += V->getSignExtended();
>         return true;
>       }
> -    } else if (isGAPlusOffset(N2.Val, GA, Offset)) {
> +    } else if (isGAPlusOffset(N2.getNode(), GA, Offset)) {
>       ConstantSDNode *V = dyn_cast<ConstantSDNode>(N1);
>       if (V) {
>         Offset += V->getSignExtended();
> @@ -1732,7 +1732,7 @@
> bool TargetLowering::isConsecutiveLoad(SDNode *LD, SDNode *Base,
>                                        unsigned Bytes, int Dist,
>                                        const MachineFrameInfo *MFI)  
> const {
> -  if (LD->getOperand(0).Val != Base->getOperand(0).Val)
> +  if (LD->getOperand(0).getNode() != Base->getOperand(0).getNode())
>     return false;
>   MVT VT = LD->getValueType(0);
>   if (VT.getSizeInBits() / 8 != Bytes)
> @@ -1755,8 +1755,8 @@
>   GlobalValue *GV2 = NULL;
>   int64_t Offset1 = 0;
>   int64_t Offset2 = 0;
> -  bool isGA1 = isGAPlusOffset(Loc.Val, GV1, Offset1);
> -  bool isGA2 = isGAPlusOffset(BaseLoc.Val, GV2, Offset2);
> +  bool isGA1 = isGAPlusOffset(Loc.getNode(), GV1, Offset1);
> +  bool isGA2 = isGAPlusOffset(BaseLoc.getNode(), GV2, Offset2);
>   if (isGA1 && isGA2 && GV1 == GV2)
>     return Offset1 == (Offset2 + Dist*Bytes);
>   return false;
> @@ -1979,7 +1979,7 @@
>     // For example, on X86 we might have an 'rI' constraint.  If the  
> operand
>     // is an integer in the range [0..31] we want to use I (saving a  
> load
>     // of a register), otherwise we must use 'r'.
> -    if (CType == TargetLowering::C_Other && Op.Val) {
> +    if (CType == TargetLowering::C_Other && Op.getNode()) {
>       assert(OpInfo.Codes[i].size() == 1 &&
>              "Unhandled multi-letter 'other' constraint");
>       std::vector<SDValue> ResultOps;
> @@ -2273,34 +2273,34 @@
>   else if (isOperationLegal(ISD::SMUL_LOHI, VT))
>     Q = SDValue(DAG.getNode(ISD::SMUL_LOHI, DAG.getVTList(VT, VT),
>                               N->getOperand(0),
> -                              DAG.getConstant(magics.m, VT)).Val, 1);
> +                              DAG.getConstant(magics.m,  
> VT)).getNode(), 1);
>   else
>     return SDValue();       // No mulhs or equvialent
>   // If d > 0 and m < 0, add the numerator
>   if (d > 0 && magics.m < 0) {
>     Q = DAG.getNode(ISD::ADD, VT, Q, N->getOperand(0));
>     if (Created)
> -      Created->push_back(Q.Val);
> +      Created->push_back(Q.getNode());
>   }
>   // If d < 0 and m > 0, subtract the numerator.
>   if (d < 0 && magics.m > 0) {
>     Q = DAG.getNode(ISD::SUB, VT, Q, N->getOperand(0));
>     if (Created)
> -      Created->push_back(Q.Val);
> +      Created->push_back(Q.getNode());
>   }
>   // Shift right algebraic if shift value is nonzero
>   if (magics.s > 0) {
>     Q = DAG.getNode(ISD::SRA, VT, Q,
>                     DAG.getConstant(magics.s, getShiftAmountTy()));
>     if (Created)
> -      Created->push_back(Q.Val);
> +      Created->push_back(Q.getNode());
>   }
>   // Extract the sign bit and add it to the quotient
>   SDValue T =
>     DAG.getNode(ISD::SRL, VT, Q, DAG.getConstant(VT.getSizeInBits()-1,
>                                                  getShiftAmountTy()));
>   if (Created)
> -    Created->push_back(T.Val);
> +    Created->push_back(T.getNode());
>   return DAG.getNode(ISD::ADD, VT, Q, T);
> }
>
> @@ -2327,11 +2327,11 @@
>   else if (isOperationLegal(ISD::UMUL_LOHI, VT))
>     Q = SDValue(DAG.getNode(ISD::UMUL_LOHI, DAG.getVTList(VT, VT),
>                               N->getOperand(0),
> -                              DAG.getConstant(magics.m, VT)).Val, 1);
> +                              DAG.getConstant(magics.m,  
> VT)).getNode(), 1);
>   else
>     return SDValue();       // No mulhu or equvialent
>   if (Created)
> -    Created->push_back(Q.Val);
> +    Created->push_back(Q.getNode());
>
>   if (magics.a == 0) {
>     return DAG.getNode(ISD::SRL, VT, Q,
> @@ -2339,14 +2339,14 @@
>   } else {
>     SDValue NPQ = DAG.getNode(ISD::SUB, VT, N->getOperand(0), Q);
>     if (Created)
> -      Created->push_back(NPQ.Val);
> +      Created->push_back(NPQ.getNode());
>     NPQ = DAG.getNode(ISD::SRL, VT, NPQ,
>                       DAG.getConstant(1, getShiftAmountTy()));
>     if (Created)
> -      Created->push_back(NPQ.Val);
> +      Created->push_back(NPQ.getNode());
>     NPQ = DAG.getNode(ISD::ADD, VT, NPQ, Q);
>     if (Created)
> -      Created->push_back(NPQ.Val);
> +      Created->push_back(NPQ.getNode());
>     return DAG.getNode(ISD::SRL, VT, NPQ,
>                        DAG.getConstant(magics.s-1,  
> getShiftAmountTy()));
>   }
>
> Modified: llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -529,7 +529,7 @@
>
>
> SDNode *ARMDAGToDAGISel::Select(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>
>   if (N->isMachineOpcode())
>     return NULL;   // Already selected.
> @@ -729,11 +729,11 @@
>     SDValue Ops[] = { N1, Tmp2, N3, Chain, InFlag };
>     SDNode *ResNode = CurDAG->getTargetNode(Opc, MVT::Other,  
> MVT::Flag, Ops, 5);
>     Chain = SDValue(ResNode, 0);
> -    if (Op.Val->getNumValues() == 2) {
> +    if (Op.getNode()->getNumValues() == 2) {
>       InFlag = SDValue(ResNode, 1);
> -      ReplaceUses(SDValue(Op.Val, 1), InFlag);
> +      ReplaceUses(SDValue(Op.getNode(), 1), InFlag);
>     }
> -    ReplaceUses(SDValue(Op.Val, 0), SDValue(Chain.Val,  
> Chain.getResNo()));
> +    ReplaceUses(SDValue(Op.getNode(), 0), SDValue(Chain.getNode(),  
> Chain.getResNo()));
>     return NULL;
>   }
>   case ARMISD::CMOV: {
> @@ -763,7 +763,7 @@
>       SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
>                                cast<ConstantSDNode>(N2)- 
> >getValue()), MVT::i32);
>       SDValue Ops[] = { N0, CPTmp0, CPTmp1, CPTmp2, Tmp2, N3,  
> InFlag };
> -      return CurDAG->SelectNodeTo(Op.Val, ARM::MOVCCs, MVT::i32,  
> Ops, 7);
> +      return CurDAG->SelectNodeTo(Op.getNode(), ARM::MOVCCs,  
> MVT::i32, Ops, 7);
>     }
>
>     // Pattern: (ARMcmov:i32 GPR:i32:$false,
> @@ -774,16 +774,16 @@
>     // Pattern complexity = 10  cost = 1  size = 0
>     if (VT == MVT::i32 &&
>         N3.getOpcode() == ISD::Constant &&
> -        Predicate_so_imm(N3.Val)) {
> +        Predicate_so_imm(N3.getNode())) {
>       AddToISelQueue(N0);
>       AddToISelQueue(InFlag);
>       SDValue Tmp1 = CurDAG->getTargetConstant(((unsigned)
>                                cast<ConstantSDNode>(N1)- 
> >getValue()), MVT::i32);
> -      Tmp1 = Transform_so_imm_XFORM(Tmp1.Val);
> +      Tmp1 = Transform_so_imm_XFORM(Tmp1.getNode());
>       SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
>                                cast<ConstantSDNode>(N2)- 
> >getValue()), MVT::i32);
>       SDValue Ops[] = { N0, Tmp1, Tmp2, N3, InFlag };
> -      return CurDAG->SelectNodeTo(Op.Val, ARM::MOVCCi, MVT::i32,  
> Ops, 5);
> +      return CurDAG->SelectNodeTo(Op.getNode(), ARM::MOVCCi,  
> MVT::i32, Ops, 5);
>     }
>
>     // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true,  
> (imm:i32):$cc)
> @@ -815,7 +815,7 @@
>       Opc = ARM::FCPYDcc;
>       break;
>     }
> -    return CurDAG->SelectNodeTo(Op.Val, Opc, VT, Ops, 5);
> +    return CurDAG->SelectNodeTo(Op.getNode(), Opc, VT, Ops, 5);
>   }
>   case ARMISD::CNEG: {
>     MVT VT = Op.getValueType();
> @@ -844,7 +844,7 @@
>       Opc = ARM::FNEGDcc;
>       break;
>     }
> -    return CurDAG->SelectNodeTo(Op.Val, Opc, VT, Ops, 5);
> +    return CurDAG->SelectNodeTo(Op.getNode(), Opc, VT, Ops, 5);
>   }
>   }
>   return SelectCode(Op);
>
> Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -400,7 +400,7 @@
> /// ARMISD:CALL <- callseq_end chain. Also add input and output  
> parameter
> /// nodes.
> SDValue ARMTargetLowering::LowerCALL(SDValue Op, SelectionDAG &DAG) {
> -  MVT RetVT= Op.Val->getValueType(0);
> +  MVT RetVT= Op.getNode()->getValueType(0);
>   SDValue Chain    = Op.getOperand(0);
>   unsigned CallConv  = cast<ConstantSDNode>(Op.getOperand(1))- 
> >getValue();
>   assert((CallConv == CallingConv::C ||
> @@ -597,7 +597,7 @@
>     Ops.push_back(DAG.getRegister(RegsToPass[i].first,
>                                    
> RegsToPass[i].second.getValueType()));
>
> -  if (InFlag.Val)
> +  if (InFlag.getNode())
>     Ops.push_back(InFlag);
>   // Returns a chain and a flag for retval copy to use.
>   Chain = DAG.getNode(CallOpc, DAG.getVTList(MVT::Other, MVT::Flag),
> @@ -621,7 +621,7 @@
>   case MVT::i32:
>     Chain = DAG.getCopyFromReg(Chain, ARM::R0, MVT::i32,  
> InFlag).getValue(1);
>     ResultVals.push_back(Chain.getValue(0));
> -    if (Op.Val->getValueType(1) == MVT::i32) {
> +    if (Op.getNode()->getValueType(1) == MVT::i32) {
>       // Returns a i64 value.
>       Chain = DAG.getCopyFromReg(Chain, ARM::R1, MVT::i32,
>                                  Chain.getValue(2)).getValue(1);
> @@ -981,7 +981,7 @@
>   unsigned ArgOffset = 0;   // Frame mechanisms handle retaddr slot
>   unsigned NumGPRs = 0;     // GPRs used for parameter passing.
>
> -  unsigned NumArgs = Op.Val->getNumValues()-1;
> +  unsigned NumArgs = Op.getNode()->getNumValues()-1;
>   for (unsigned ArgNo = 0; ArgNo < NumArgs; ++ArgNo)
>     ArgValues.push_back(LowerFORMAL_ARGUMENT(Op, DAG, ArgNo,
>                                              NumGPRs, ArgOffset));
> @@ -1029,7 +1029,7 @@
>   ArgValues.push_back(Root);
>
>   // Return the new list of results.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size());
> }
>
> @@ -1037,7 +1037,7 @@
> static bool isFloatingPointZero(SDValue Op) {
>   if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Op))
>     return CFP->getValueAPF().isPosZero();
> -  else if (ISD::isEXTLoad(Op.Val) || ISD::isNON_EXTLoad(Op.Val)) {
> +  else if (ISD::isEXTLoad(Op.getNode()) ||  
> ISD::isNON_EXTLoad(Op.getNode())) {
>     // Maybe this has already been legalized into the constant pool?
>     if (Op.getOperand(1).getOpcode() == ARMISD::Wrapper) {
>       SDValue WrapperOp = Op.getOperand(1).getOperand(0);
> @@ -1058,7 +1058,7 @@
> /// the given operands.
> static SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC,
>                            SDValue &ARMCC, SelectionDAG &DAG, bool  
> isThumb) {
> -  if (ConstantSDNode *RHSC = dyn_cast<ConstantSDNode>(RHS.Val)) {
> +  if (ConstantSDNode *RHSC =  
> dyn_cast<ConstantSDNode>(RHS.getNode())) {
>     unsigned C = RHSC->getValue();
>     if (!isLegalCmpImmediate(C, isThumb)) {
>       // Constant does not fit, try adjusting it by one?
> @@ -1362,7 +1362,7 @@
>                               &Op, 1);
>
>   // Merge the pieces into a single i64 value.
> -  return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Cvt,  
> Cvt.getValue(1)).Val;
> +  return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Cvt,  
> Cvt.getValue(1)).getNode();
> }
>
> static SDNode *ExpandSRx(SDNode *N, SelectionDAG &DAG, const  
> ARMSubtarget *ST) {
> @@ -1393,7 +1393,7 @@
>   Lo = DAG.getNode(ARMISD::RRX, MVT::i32, Lo, Hi.getValue(1));
>
>   // Merge the pieces into a single i64 value.
> - return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi).Val;
> + return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi).getNode();
> }
>
>
> @@ -1424,9 +1424,9 @@
>
>
>   // FIXME: Remove these when LegalizeDAGTypes lands.
> -  case ISD::BIT_CONVERT:   return SDValue(ExpandBIT_CONVERT(Op.Val,  
> DAG), 0);
> +  case ISD::BIT_CONVERT:   return  
> SDValue(ExpandBIT_CONVERT(Op.getNode(), DAG), 0);
>   case ISD::SRL:
> -  case ISD::SRA:           return SDValue(ExpandSRx(Op.Val,  
> DAG,Subtarget),0);
> +  case ISD::SRA:           return SDValue(ExpandSRx(Op.getNode(),  
> DAG,Subtarget),0);
>   }
>   return SDValue();
> }
> @@ -1734,7 +1734,7 @@
>     return false;
>
>   bool isInc;
> -  bool isLegal = getIndexedAddressParts(Ptr.Val, VT, isSEXTLoad,  
> Base, Offset,
> +  bool isLegal = getIndexedAddressParts(Ptr.getNode(), VT,  
> isSEXTLoad, Base, Offset,
>                                         isInc, DAG);
>   if (isLegal) {
>     AM = isInc ? ISD::PRE_INC : ISD::PRE_DEC;
>
> Modified: llvm/trunk/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Alpha/AlphaISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/Alpha/AlphaISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/Alpha/AlphaISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -75,7 +75,7 @@
>           Result |= 1 << i;
>           if (((Constant >> 8*i) & 0xFF) == 0xFF) {
>             // If the entire byte is set, zapnot the byte.
> -          } else if (LHS.Val == 0) {
> +          } else if (LHS.getNode() == 0) {
>             // Otherwise, if the mask was previously validated, we  
> know its okay
>             // to zapnot this entire byte even though all the bits  
> aren't set.
>           } else {
> @@ -242,7 +242,7 @@
> // Select - Convert the specified operand from a target-independent  
> to a
> // target-specific node if it hasn't already been changed.
> SDNode *AlphaDAGToDAGISel::Select(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   if (N->isMachineOpcode()) {
>     return NULL;   // Already selected.
>   }
> @@ -345,7 +345,7 @@
>   }
>
>   case ISD::SETCC:
> -    if (N->getOperand(0).Val->getValueType(0).isFloatingPoint()) {
> +    if (N->getOperand(0).getNode()- 
> >getValueType(0).isFloatingPoint()) {
>       ISD::CondCode CC = cast<CondCodeSDNode>(N->getOperand(2))- 
> >get();
>
>       unsigned Opc = Alpha::WTF;
> @@ -460,7 +460,7 @@
> void AlphaDAGToDAGISel::SelectCALL(SDValue Op) {
>   //TODO: add flag stuff to prevent nondeturministic breakage!
>
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   SDValue Chain = N->getOperand(0);
>   SDValue Addr = N->getOperand(1);
>   SDValue InFlag(0,0);  // Null incoming flag value.
>
> Modified: llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/Alpha/AlphaISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -215,7 +215,7 @@
>   unsigned args_float[] = {
>     Alpha::F16, Alpha::F17, Alpha::F18, Alpha::F19, Alpha::F20,  
> Alpha::F21};
>
> -  for (unsigned ArgNo = 0, e = Op.Val->getNumValues()-1; ArgNo !=  
> e; ++ArgNo) {
> +  for (unsigned ArgNo = 0, e = Op.getNode()->getNumValues()-1;  
> ArgNo != e; ++ArgNo) {
>     SDValue argt;
>     MVT ObjectVT = Op.getValue(ArgNo).getValueType();
>     SDValue ArgVal;
> @@ -255,7 +255,7 @@
>   // If the functions takes variable number of arguments, copy all  
> regs to stack
>   bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))- 
> >getValue() != 0;
>   if (isVarArg) {
> -    VarArgsOffset = (Op.Val->getNumValues()-1) * 8;
> +    VarArgsOffset = (Op.getNode()->getNumValues()-1) * 8;
>     std::vector<SDValue> LS;
>     for (int i = 0; i < 6; ++i) {
>       if (TargetRegisterInfo::isPhysicalRegister(args_int[i]))
> @@ -281,7 +281,7 @@
>   ArgValues.push_back(Root);
>
>   // Return the new list of results.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size());
> }
>
> @@ -491,10 +491,10 @@
>   case ISD::SREM:
>     //Expand only on constant case
>     if (Op.getOperand(1).getOpcode() == ISD::Constant) {
> -      MVT VT = Op.Val->getValueType(0);
> -      SDValue Tmp1 = Op.Val->getOpcode() == ISD::UREM ?
> -        BuildUDIV(Op.Val, DAG, NULL) :
> -        BuildSDIV(Op.Val, DAG, NULL);
> +      MVT VT = Op.getNode()->getValueType(0);
> +      SDValue Tmp1 = Op.getNode()->getOpcode() == ISD::UREM ?
> +        BuildUDIV(Op.getNode(), DAG, NULL) :
> +        BuildSDIV(Op.getNode(), DAG, NULL);
>       Tmp1 = DAG.getNode(ISD::MUL, VT, Tmp1, Op.getOperand(1));
>       Tmp1 = DAG.getNode(ISD::SUB, VT, Op.getOperand(0), Tmp1);
>       return Tmp1;
> @@ -504,8 +504,8 @@
>   case ISD::UDIV:
>     if (Op.getValueType().isInteger()) {
>       if (Op.getOperand(1).getOpcode() == ISD::Constant)
> -        return Op.getOpcode() == ISD::SDIV ? BuildSDIV(Op.Val, DAG,  
> NULL)
> -          : BuildUDIV(Op.Val, DAG, NULL);
> +        return Op.getOpcode() == ISD::SDIV ?  
> BuildSDIV(Op.getNode(), DAG, NULL)
> +          : BuildUDIV(Op.getNode(), DAG, NULL);
>       const char* opstr = 0;
>       switch (Op.getOpcode()) {
>       case ISD::UREM: opstr = "__remqu"; break;
> @@ -522,7 +522,7 @@
>
>   case ISD::VAARG: {
>     SDValue Chain, DataPtr;
> -    LowerVAARG(Op.Val, Chain, DataPtr, DAG);
> +    LowerVAARG(Op.getNode(), Chain, DataPtr, DAG);
>
>     SDValue Result;
>     if (Op.getValueType() == MVT::i32)
> @@ -578,7 +578,7 @@
>
>   SDValue Chain, DataPtr;
>   LowerVAARG(N, Chain, DataPtr, DAG);
> -  return DAG.getLoad(N->getValueType(0), Chain, DataPtr, NULL,  
> 0).Val;
> +  return DAG.getLoad(N->getValueType(0), Chain, DataPtr, NULL,  
> 0).getNode();
> }
>
>
>
> Modified: llvm/trunk/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/CellSPU/SPUISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/CellSPU/SPUISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -579,7 +579,7 @@
>  */
> SDNode *
> SPUDAGToDAGISel::Select(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   unsigned Opc = N->getOpcode();
>   int n_ops = -1;
>   unsigned NewOpc;
> @@ -669,9 +669,9 @@
>       MVT VT = Op.getValueType();
>
>       DEBUG(cerr << "CellSPU: IndirectAddr(LDRESULT, imm):\nOp0 = ");
> -      DEBUG(Op.getOperand(0).Val->dump(CurDAG));
> +      DEBUG(Op.getOperand(0).getNode()->dump(CurDAG));
>       DEBUG(cerr << "\nOp1 = ");
> -      DEBUG(Op.getOperand(1).Val->dump(CurDAG));
> +      DEBUG(Op.getOperand(1).getNode()->dump(CurDAG));
>       DEBUG(cerr << "\n");
>
>       if (Op1.getOpcode() == ISD::Constant) {
>
> Modified: llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/CellSPU/SPUISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -503,7 +503,7 @@
>   SDValue chain = LSN->getChain();
>
>   if (basePtr.getOpcode() == ISD::ADD) {
> -    SDValue Op1 = basePtr.Val->getOperand(1);
> +    SDValue Op1 = basePtr.getNode()->getOperand(1);
>
>     if (Op1.getOpcode() == ISD::Constant || Op1.getOpcode() ==  
> ISD::TargetConstant) {
>       const ConstantSDNode *CN =  
> cast<ConstantSDNode>(basePtr.getOperand(1));
> @@ -579,7 +579,7 @@
>   LoadSDNode *LN = cast<LoadSDNode>(Op);
>   SDValue the_chain = LN->getChain();
>   MVT VT = LN->getMemoryVT();
> -  MVT OpVT = Op.Val->getValueType(0);
> +  MVT OpVT = Op.getNode()->getValueType(0);
>   ISD::LoadExtType ExtType = LN->getExtensionType();
>   unsigned alignment = LN->getAlignment();
>   SDValue Ops[8];
> @@ -591,7 +591,7 @@
>     SDValue result =
>       AlignedLoad(Op, DAG, ST, LN,alignment, offset, rotamt, VT,  
> was16aligned);
>
> -    if (result.Val == 0)
> +    if (result.getNode() == 0)
>       return result;
>
>     the_chain = result.getValue(1);
> @@ -708,7 +708,7 @@
>       AlignedLoad(Op, DAG, ST, SN, alignment,
>                   chunk_offset, slot_offset, VT, was16aligned);
>
> -    if (alignLoadVec.Val == 0)
> +    if (alignLoadVec.getNode() == 0)
>       return alignLoadVec;
>
>     LoadSDNode *LN = cast<LoadSDNode>(alignLoadVec);
> @@ -736,7 +736,7 @@
>     // Otherwise generate a D-form address with the slot offset  
> relative
>     // to the stack pointer, which is always aligned.
>     DEBUG(cerr << "CellSPU LowerSTORE: basePtr = ");
> -    DEBUG(basePtr.Val->dump(&DAG));
> +    DEBUG(basePtr.getNode()->dump(&DAG));
>     DEBUG(cerr << "\n");
>
>     if (basePtr.getOpcode() == SPUISD::IndirectAddr ||
> @@ -859,7 +859,7 @@
> static SDValue
> LowerConstant(SDValue Op, SelectionDAG &DAG) {
>   MVT VT = Op.getValueType();
> -  ConstantSDNode *CN = cast<ConstantSDNode>(Op.Val);
> +  ConstantSDNode *CN = cast<ConstantSDNode>(Op.getNode());
>
>   if (VT == MVT::i64) {
>     SDValue T = DAG.getConstant(CN->getValue(), MVT::i64);
> @@ -880,7 +880,7 @@
> static SDValue
> LowerConstantFP(SDValue Op, SelectionDAG &DAG) {
>   MVT VT = Op.getValueType();
> -  ConstantFPSDNode *FP = cast<ConstantFPSDNode>(Op.Val);
> +  ConstantFPSDNode *FP = cast<ConstantFPSDNode>(Op.getNode());
>
>   assert((FP != 0) &&
>          "LowerConstantFP: Node is not ConstantFPSDNode");
> @@ -932,7 +932,7 @@
>   MVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
>
>   // Add DAG nodes to load the arguments or copy them out of  
> registers.
> -  for (unsigned ArgNo = 0, e = Op.Val->getNumValues()-1; ArgNo !=  
> e; ++ArgNo) {
> +  for (unsigned ArgNo = 0, e = Op.getNode()->getNumValues()-1;  
> ArgNo != e; ++ArgNo) {
>     SDValue ArgVal;
>     bool needsLoad = false;
>     MVT ObjectVT = Op.getValue(ArgNo).getValueType();
> @@ -1061,7 +1061,7 @@
>   ArgValues.push_back(Root);
>
>   // Return the new list of results.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size());
> }
>
> @@ -1076,7 +1076,7 @@
>       (Addr << 14 >> 14) != Addr)
>     return 0;  // Top 14 bits have to be sext of immediate.
>
> -  return DAG.getConstant((int)C->getValue() >> 2, MVT::i32).Val;
> +  return DAG.getConstant((int)C->getValue() >> 2,  
> MVT::i32).getNode();
> }
>
> static
> @@ -1226,7 +1226,7 @@
>     Ops.push_back(DAG.getRegister(RegsToPass[i].first,
>                                    
> RegsToPass[i].second.getValueType()));
>
> -  if (InFlag.Val)
> +  if (InFlag.getNode())
>     Ops.push_back(InFlag);
>   // Returns a chain and a flag for retval copy to use.
>   Chain = DAG.getNode(CallOpc, DAG.getVTList(MVT::Other, MVT::Flag),
> @@ -1237,18 +1237,18 @@
>                              DAG.getConstant(NumStackBytes, PtrVT),
>                              DAG.getConstant(0, PtrVT),
>                              InFlag);
> -  if (Op.Val->getValueType(0) != MVT::Other)
> +  if (Op.getNode()->getValueType(0) != MVT::Other)
>     InFlag = Chain.getValue(1);
>
>   SDValue ResultVals[3];
>   unsigned NumResults = 0;
>
>   // If the call has results, copy the values out of the ret val  
> registers.
> -  switch (Op.Val->getValueType(0).getSimpleVT()) {
> +  switch (Op.getNode()->getValueType(0).getSimpleVT()) {
>   default: assert(0 && "Unexpected ret value!");
>   case MVT::Other: break;
>   case MVT::i32:
> -    if (Op.Val->getValueType(1) == MVT::i32) {
> +    if (Op.getNode()->getValueType(1) == MVT::i32) {
>       Chain = DAG.getCopyFromReg(Chain, SPU::R4, MVT::i32,  
> InFlag).getValue(1);
>       ResultVals[0] = Chain.getValue(0);
>       Chain = DAG.getCopyFromReg(Chain, SPU::R3, MVT::i32,
> @@ -1268,7 +1268,7 @@
>     break;
>   case MVT::f32:
>   case MVT::f64:
> -    Chain = DAG.getCopyFromReg(Chain, SPU::R3, Op.Val- 
> >getValueType(0),
> +    Chain = DAG.getCopyFromReg(Chain, SPU::R3, Op.getNode()- 
> >getValueType(0),
>                                InFlag).getValue(1);
>     ResultVals[0] = Chain.getValue(0);
>     NumResults = 1;
> @@ -1278,7 +1278,7 @@
>   case MVT::v4i32:
>   case MVT::v8i16:
>   case MVT::v16i8:
> -    Chain = DAG.getCopyFromReg(Chain, SPU::R3, Op.Val- 
> >getValueType(0),
> +    Chain = DAG.getCopyFromReg(Chain, SPU::R3, Op.getNode()- 
> >getValueType(0),
>                                    InFlag).getValue(1);
>     ResultVals[0] = Chain.getValue(0);
>     NumResults = 1;
> @@ -1301,7 +1301,7 @@
>   unsigned CC = DAG.getMachineFunction().getFunction()- 
> >getCallingConv();
>   bool isVarArg = DAG.getMachineFunction().getFunction()->isVarArg();
>   CCState CCInfo(CC, isVarArg, TM, RVLocs);
> -  CCInfo.AnalyzeReturn(Op.Val, RetCC_SPU);
> +  CCInfo.AnalyzeReturn(Op.getNode(), RetCC_SPU);
>
>   // If this is the first return lowered for this function, add the  
> regs to the
>   // liveout set for the function.
> @@ -1321,7 +1321,7 @@
>     Flag = Chain.getValue(1);
>   }
>
> -  if (Flag.Val)
> +  if (Flag.getNode())
>     return DAG.getNode(SPUISD::RET_FLAG, MVT::Other, Chain, Flag);
>   else
>     return DAG.getNode(SPUISD::RET_FLAG, MVT::Other, Chain);
> @@ -1339,13 +1339,13 @@
>   // Check to see if this buildvec has a single non-undef value in  
> its elements.
>   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
>     if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
> -    if (OpVal.Val == 0)
> +    if (OpVal.getNode() == 0)
>       OpVal = N->getOperand(i);
>     else if (OpVal != N->getOperand(i))
>       return 0;
>   }
>
> -  if (OpVal.Val != 0) {
> +  if (OpVal.getNode() != 0) {
>     if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(OpVal)) {
>       return CN;
>     }
> @@ -1599,7 +1599,7 @@
>   uint64_t UndefBits[2];
>   uint64_t SplatBits, SplatUndef;
>   int SplatSize;
> -  if (GetConstantBuildVectorBits(Op.Val, VectorBits, UndefBits)
> +  if (GetConstantBuildVectorBits(Op.getNode(), VectorBits, UndefBits)
>       || !isConstantSplat(VectorBits, UndefBits,
>                           VT.getVectorElementType().getSizeInBits(),
>                           SplatBits, SplatUndef, SplatSize))
> @@ -1842,11 +1842,11 @@
> static SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) {
>   SDValue Op0 = Op.getOperand(0);                     // Op0 = the  
> scalar
>
> -  if (Op0.Val->getOpcode() == ISD::Constant) {
> +  if (Op0.getNode()->getOpcode() == ISD::Constant) {
>     // For a constant, build the appropriate constant vector, which  
> will
>     // eventually simplify to a vector register load.
>
> -    ConstantSDNode *CN = cast<ConstantSDNode>(Op0.Val);
> +    ConstantSDNode *CN = cast<ConstantSDNode>(Op0.getNode());
>     SmallVector<SDValue, 16> ConstVecValues;
>     MVT VT;
>     size_t n_copies;
> @@ -2447,25 +2447,25 @@
>
>   ConstVec = Op.getOperand(0);
>   Arg = Op.getOperand(1);
> -  if (ConstVec.Val->getOpcode() != ISD::BUILD_VECTOR) {
> -    if (ConstVec.Val->getOpcode() == ISD::BIT_CONVERT) {
> +  if (ConstVec.getNode()->getOpcode() != ISD::BUILD_VECTOR) {
> +    if (ConstVec.getNode()->getOpcode() == ISD::BIT_CONVERT) {
>       ConstVec = ConstVec.getOperand(0);
>     } else {
>       ConstVec = Op.getOperand(1);
>       Arg = Op.getOperand(0);
> -      if (ConstVec.Val->getOpcode() == ISD::BIT_CONVERT) {
> +      if (ConstVec.getNode()->getOpcode() == ISD::BIT_CONVERT) {
>         ConstVec = ConstVec.getOperand(0);
>       }
>     }
>   }
>
> -  if (ConstVec.Val->getOpcode() == ISD::BUILD_VECTOR) {
> +  if (ConstVec.getNode()->getOpcode() == ISD::BUILD_VECTOR) {
>     uint64_t VectorBits[2];
>     uint64_t UndefBits[2];
>     uint64_t SplatBits, SplatUndef;
>     int SplatSize;
>
> -    if (!GetConstantBuildVectorBits(ConstVec.Val, VectorBits,  
> UndefBits)
> +    if (!GetConstantBuildVectorBits(ConstVec.getNode(), VectorBits,  
> UndefBits)
>         && isConstantSplat(VectorBits, UndefBits,
>                            VT.getVectorElementType().getSizeInBits(),
>                            SplatBits, SplatUndef, SplatSize)) {
> @@ -2477,7 +2477,7 @@
>       for (size_t i = 0; i < tcVecSize; ++i)
>         tcVec[i] = tc;
>
> -      return DAG.getNode(Op.Val->getOpcode(), VT, Arg,
> +      return DAG.getNode(Op.getNode()->getOpcode(), VT, Arg,
>                          DAG.getNode(ISD::BUILD_VECTOR, VT, tcVec,  
> tcVecSize));
>     }
>   }
> @@ -2632,8 +2632,8 @@
>   default: {
>     cerr << "SPUTargetLowering::LowerOperation(): need to lower this! 
> \n";
>     cerr << "Op.getOpcode() = " << Opc << "\n";
> -    cerr << "*Op.Val:\n";
> -    Op.Val->dump();
> +    cerr << "*Op.getNode():\n";
> +    Op.getNode()->dump();
>     abort();
>   }
>   case ISD::LOAD:
> @@ -2796,7 +2796,7 @@
>       DEBUG(cerr << "Replace: ");
>       DEBUG(N->dump(&DAG));
>       DEBUG(cerr << "\nWith:    ");
> -      DEBUG(Op0.Val->dump(&DAG));
> +      DEBUG(Op0.getNode()->dump(&DAG));
>       DEBUG(cerr << "\n");
>
>       return Op0;
> @@ -2813,7 +2813,7 @@
>         DEBUG(cerr << "Replace: ");
>         DEBUG(N->dump(&DAG));
>         DEBUG(cerr << "\nWith:    ");
> -        DEBUG(Op0.Val->dump(&DAG));
> +        DEBUG(Op0.getNode()->dump(&DAG));
>         DEBUG(cerr << "\n");
>
>         return Op0;
> @@ -2871,11 +2871,11 @@
>   }
>   // Otherwise, return unchanged.
> #if 1
> -  if (Result.Val) {
> +  if (Result.getNode()) {
>     DEBUG(cerr << "\nReplace.SPU: ");
>     DEBUG(N->dump(&DAG));
>     DEBUG(cerr << "\nWith:        ");
> -    DEBUG(Result.Val->dump(&DAG));
> +    DEBUG(Result.getNode()->dump(&DAG));
>     DEBUG(cerr << "\n");
>   }
> #endif
>
> Modified: llvm/trunk/lib/Target/CellSPU/SPUOperands.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUOperands.td?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/CellSPU/SPUOperands.td (original)
> +++ llvm/trunk/lib/Target/CellSPU/SPUOperands.td Thu Aug 28 16:40:38  
> 2008
> @@ -24,13 +24,13 @@
>          && "LO16_vec got something other than a BUILD_VECTOR");
>
>   // Get first constant operand...
> -  for (unsigned i = 0, e = N->getNumOperands(); OpVal.Val == 0 &&  
> i != e; ++i) {
> +  for (unsigned i = 0, e = N->getNumOperands(); OpVal.getNode() ==  
> 0 && i != e; ++i) {
>     if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
> -    if (OpVal.Val == 0)
> +    if (OpVal.getNode() == 0)
>       OpVal = N->getOperand(i);
>   }
>
> -  assert(OpVal.Val != 0 && "LO16_vec did not locate a <defined>  
> node");
> +  assert(OpVal.getNode() != 0 && "LO16_vec did not locate a  
> <defined> node");
>   ConstantSDNode *CN = cast<ConstantSDNode>(OpVal);
>   return getI32Imm((unsigned)CN->getValue() & 0xffff);
> }]>;
> @@ -49,13 +49,13 @@
>          && "HI16_vec got something other than a BUILD_VECTOR");
>
>   // Get first constant operand...
> -  for (unsigned i = 0, e = N->getNumOperands(); OpVal.Val == 0 &&  
> i != e; ++i) {
> +  for (unsigned i = 0, e = N->getNumOperands(); OpVal.getNode() ==  
> 0 && i != e; ++i) {
>     if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
> -    if (OpVal.Val == 0)
> +    if (OpVal.getNode() == 0)
>       OpVal = N->getOperand(i);
>   }
>
> -  assert(OpVal.Val != 0 && "HI16_vec did not locate a <defined>  
> node");
> +  assert(OpVal.getNode() != 0 && "HI16_vec did not locate a  
> <defined> node");
>   ConstantSDNode *CN = cast<ConstantSDNode>(OpVal);
>   return getI32Imm((unsigned)CN->getValue() >> 16);
> }]>;
> @@ -244,7 +244,7 @@
> // incoming constant being a 16-bit quantity, where the upper and  
> lower bytes
> // are EXACTLY the same (e.g., 0x2a2a)
> def v16i8SExt8Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i8imm(N, *CurDAG, MVT::i8).Val != 0;
> +  return SPU::get_vec_i8imm(N, *CurDAG, MVT::i8).getNode() != 0;
> }], v16i8SExt8Imm_xform>;
>
> // v16i8U8Imm_xform function: convert build_vector to unsigned 8-bit
> @@ -259,7 +259,7 @@
> // incoming constant being a 16-bit quantity, where the upper and  
> lower bytes
> // are EXACTLY the same (e.g., 0x2a2a)
> def v16i8U8Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i8imm(N, *CurDAG, MVT::i8).Val != 0;
> +  return SPU::get_vec_i8imm(N, *CurDAG, MVT::i8).getNode() != 0;
> }], v16i8U8Imm_xform>;
>
> // v8i16SExt8Imm_xform function: convert build_vector to 8-bit sign  
> extended
> @@ -271,7 +271,7 @@
> // v8i16SExt8Imm: Predicate test for 8-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v8i16SExt8Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i8imm(N, *CurDAG, MVT::i16).Val != 0;
> +  return SPU::get_vec_i8imm(N, *CurDAG, MVT::i16).getNode() != 0;
> }], v8i16SExt8Imm_xform>;
>
> // v8i16SExt10Imm_xform function: convert build_vector to 16-bit  
> sign extended
> @@ -283,7 +283,7 @@
> // v8i16SExt10Imm: Predicate test for 16-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v8i16SExt10Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i16).Val != 0;
> +  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i16).getNode() != 0;
> }], v8i16SExt10Imm_xform>;
>
> // v8i16Uns10Imm_xform function: convert build_vector to 16-bit  
> unsigned
> @@ -295,7 +295,7 @@
> // v8i16Uns10Imm: Predicate test for 16-bit unsigned immediate  
> constant
> // load, works in conjunction with its transform function.
> def v8i16Uns10Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i16).Val != 0;
> +  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i16).getNode() != 0;
> }], v8i16Uns10Imm_xform>;
>
> // v8i16SExt16Imm_xform function: convert build_vector to 16-bit  
> sign extended
> @@ -307,7 +307,7 @@
> // v8i16SExt16Imm: Predicate test for 16-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v8i16SExt16Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i16imm(N, *CurDAG, MVT::i16).Val != 0;
> +  return SPU::get_vec_i16imm(N, *CurDAG, MVT::i16).getNode() != 0;
> }], v8i16Uns16Imm_xform>;
>
> // v4i32SExt10Imm_xform function: convert build_vector to 10-bit  
> sign extended
> @@ -319,7 +319,7 @@
> // v4i32SExt10Imm: Predicate test for 10-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v4i32SExt10Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i32).Val != 0;
> +  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i32).getNode() != 0;
> }], v4i32SExt10Imm_xform>;
>
> // v4i32Uns10Imm_xform function: convert build_vector to 10-bit  
> unsigned
> @@ -331,7 +331,7 @@
> // v4i32Uns10Imm: Predicate test for 10-bit unsigned immediate  
> constant
> // load, works in conjunction with its transform function.
> def v4i32Uns10Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i32).Val != 0;
> +  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i32).getNode() != 0;
> }], v4i32Uns10Imm_xform>;
>
> // v4i32SExt16Imm_xform function: convert build_vector to 16-bit  
> sign extended
> @@ -343,7 +343,7 @@
> // v4i32SExt16Imm: Predicate test for 16-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v4i32SExt16Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i16imm(N, *CurDAG, MVT::i32).Val != 0;
> +  return SPU::get_vec_i16imm(N, *CurDAG, MVT::i32).getNode() != 0;
> }], v4i32SExt16Imm_xform>;
>
> // v4i32Uns18Imm_xform function: convert build_vector to 18-bit  
> unsigned
> @@ -355,7 +355,7 @@
> // v4i32Uns18Imm: Predicate test for 18-bit unsigned immediate  
> constant load,
> // works in conjunction with its transform function.
> def v4i32Uns18Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_u18imm(N, *CurDAG, MVT::i32).Val != 0;
> +  return SPU::get_vec_u18imm(N, *CurDAG, MVT::i32).getNode() != 0;
> }], v4i32Uns18Imm_xform>;
>
> // ILHUvec_get_imm xform function: convert build_vector to ILHUvec  
> imm constant
> @@ -366,7 +366,7 @@
>
> /// immILHUvec: Predicate test for a ILHU constant vector.
> def immILHUvec: PatLeaf<(build_vector), [{
> -  return SPU::get_ILHUvec_imm(N, *CurDAG, MVT::i32).Val != 0;
> +  return SPU::get_ILHUvec_imm(N, *CurDAG, MVT::i32).getNode() != 0;
> }], ILHUvec_get_imm>;
>
> // Catch-all for any other i32 vector constants
> @@ -375,7 +375,7 @@
> }]>;
>
> def v4i32Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_v4i32_imm(N, *CurDAG).Val != 0;
> +  return SPU::get_v4i32_imm(N, *CurDAG).getNode() != 0;
> }], v4i32_get_imm>;
>
> // v2i64SExt10Imm_xform function: convert build_vector to 10-bit  
> sign extended
> @@ -387,7 +387,7 @@
> // v2i64SExt10Imm: Predicate test for 10-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v2i64SExt10Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i64).Val != 0;
> +  return SPU::get_vec_i10imm(N, *CurDAG, MVT::i64).getNode() != 0;
> }], v2i64SExt10Imm_xform>;
>
> // v2i64SExt16Imm_xform function: convert build_vector to 16-bit  
> sign extended
> @@ -399,7 +399,7 @@
> // v2i64SExt16Imm: Predicate test for 16-bit sign extended immediate  
> constant
> // load, works in conjunction with its transform function.
> def v2i64SExt16Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_i16imm(N, *CurDAG, MVT::i64).Val != 0;
> +  return SPU::get_vec_i16imm(N, *CurDAG, MVT::i64).getNode() != 0;
> }], v2i64SExt16Imm_xform>;
>
> // v2i64Uns18Imm_xform function: convert build_vector to 18-bit  
> unsigned
> @@ -411,12 +411,12 @@
> // v2i64Uns18Imm: Predicate test for 18-bit unsigned immediate  
> constant load,
> // works in conjunction with its transform function.
> def v2i64Uns18Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_vec_u18imm(N, *CurDAG, MVT::i64).Val != 0;
> +  return SPU::get_vec_u18imm(N, *CurDAG, MVT::i64).getNode() != 0;
> }], v2i64Uns18Imm_xform>;
>
> /// immILHUvec: Predicate test for a ILHU constant vector.
> def immILHUvec_i64: PatLeaf<(build_vector), [{
> -  return SPU::get_ILHUvec_imm(N, *CurDAG, MVT::i64).Val != 0;
> +  return SPU::get_ILHUvec_imm(N, *CurDAG, MVT::i64).getNode() != 0;
> }], ILHUvec_get_imm>;
>
> // Catch-all for any other i32 vector constants
> @@ -425,7 +425,7 @@
> }]>;
>
> def v2i64Imm: PatLeaf<(build_vector), [{
> -  return SPU::get_v2i64_imm(N, *CurDAG).Val != 0;
> +  return SPU::get_v2i64_imm(N, *CurDAG).getNode() != 0;
> }], v2i64_get_imm>;
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
>
> Modified: llvm/trunk/lib/Target/IA64/IA64ISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/IA64/IA64ISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/IA64/IA64ISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/IA64/IA64ISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -105,7 +105,7 @@
> }
>
> SDNode *IA64DAGToDAGISel::SelectDIV(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   SDValue Chain = N->getOperand(0);
>   SDValue Tmp1 = N->getOperand(0);
>   SDValue Tmp2 = N->getOperand(1);
> @@ -304,7 +304,7 @@
> // Select - Convert the specified operand from a target-independent  
> to a
> // target-specific node if it hasn't already been changed.
> SDNode *IA64DAGToDAGISel::Select(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   if (N->isMachineOpcode())
>     return NULL;   // Already selected.
>
> @@ -367,7 +367,7 @@
>   }
>
>    // Finally, once everything is setup, emit the call itself
> -   if(InFlag.Val)
> +   if (InFlag.getNode())
>      Chain = SDValue(CurDAG->getTargetNode(CallOpcode, MVT::Other,  
> MVT::Flag,
>                                              CallOperand, InFlag), 0);
>    else // there might be no arguments
>
> Modified: llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/IA64/IA64ISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -387,8 +387,8 @@
>         break;
>       }
>
> -      if(ValToStore.Val) {
> -        if(!StackPtr.Val) {
> +      if(ValToStore.getNode()) {
> +        if(!StackPtr.getNode()) {
>           StackPtr = DAG.getRegister(IA64::r12, MVT::i64);
>         }
>         SDValue PtrOff = DAG.getConstant(ArgOffset, getPointerTy());
> @@ -397,7 +397,7 @@
>         ArgOffset += ObjSize;
>       }
>
> -      if(ValToConvert.Val) {
> +      if(ValToConvert.getNode()) {
>         Converts.push_back(DAG.getNode(IA64ISD::GETFD, MVT::i64,  
> ValToConvert));
>       }
>     }
> @@ -471,7 +471,7 @@
>   CallOperands.push_back(Callee);
>
>   // emit the call itself
> -  if (InFlag.Val)
> +  if (InFlag.getNode())
>     CallOperands.push_back(InFlag);
>   else
>     assert(0 && "this should never happen!\n");
>
> Modified: llvm/trunk/lib/Target/Mips/MipsISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/Mips/MipsISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/Mips/MipsISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -193,7 +193,7 @@
> SDNode* MipsDAGToDAGISel::
> Select(SDValue N)
> {
> -  SDNode *Node = N.Val;
> +  SDNode *Node = N.getNode();
>   unsigned Opcode = Node->getOpcode();
>
>   // Dump information about the Node being selected
> @@ -252,7 +252,7 @@
>       SDNode *AddCarry = CurDAG->getTargetNode(Mips::ADDu, VT,
>                                                SDValue(Carry,0), RHS);
>
> -      return CurDAG->SelectNodeTo(N.Val, MOp, VT, MVT::Flag,
> +      return CurDAG->SelectNodeTo(N.getNode(), MOp, VT, MVT::Flag,
>                                   LHS, SDValue(AddCarry,0));
>     }
>
> @@ -391,8 +391,8 @@
>
>   #ifndef NDEBUG
>   DOUT << std::string(Indent-2, ' ') << "=> ";
> -  if (ResNode == NULL || ResNode == N.Val)
> -    DEBUG(N.Val->dump(CurDAG));
> +  if (ResNode == NULL || ResNode == N.getNode())
> +    DEBUG(N.getNode()->dump(CurDAG));
>   else
>     DEBUG(ResNode->dump(CurDAG));
>   DOUT << "\n";
>
> Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -602,7 +602,7 @@
>     MFI->CreateFixedObject(VTsize, (VTsize*3));
>   }
>
> -  CCInfo.AnalyzeCallOperands(Op.Val, CC_Mips);
> +  CCInfo.AnalyzeCallOperands(Op.getNode(), CC_Mips);
>
>   // Get a count of how many bytes are to be pushed on the stack.
>   unsigned NumBytes = CCInfo.getNextStackOffset();
> @@ -706,7 +706,7 @@
>     Ops.push_back(DAG.getRegister(RegsToPass[i].first,
>                                    
> RegsToPass[i].second.getValueType()));
>
> -  if (InFlag.Val)
> +  if (InFlag.getNode())
>     Ops.push_back(InFlag);
>
>   Chain  = DAG.getNode(MipsISD::JmpLink, NodeTys, &Ops[0],  
> Ops.size());
> @@ -750,7 +750,7 @@
>
>   // Handle result values, copying them out of physregs into vregs  
> that we
>   // return.
> -  return SDValue(LowerCallResult(Chain, InFlag, Op.Val, CC, DAG),  
> Op.getResNo());
> +  return SDValue(LowerCallResult(Chain, InFlag, Op.getNode(), CC,  
> DAG), Op.getResNo());
> }
>
> /// LowerCallResult - Lower the result values of an ISD::CALL into the
> @@ -783,7 +783,7 @@
>
>   // Merge everything together with a MERGE_VALUES node.
>   return DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
> -                            ResultVals.size()).Val;
> +                            ResultVals.size()).getNode();
> }
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> @@ -814,7 +814,7 @@
>   SmallVector<CCValAssign, 16> ArgLocs;
>   CCState CCInfo(CC, isVarArg, getTargetMachine(), ArgLocs);
>
> -  CCInfo.AnalyzeFormalArguments(Op.Val, CC_Mips);
> +  CCInfo.AnalyzeFormalArguments(Op.getNode(), CC_Mips);
>   SmallVector<SDValue, 16> ArgValues;
>   SDValue StackPtr;
>
> @@ -865,7 +865,7 @@
>       // To meet ABI, when VARARGS are passed on registers, the  
> registers
>       // must have their values written to the caller stack frame.
>       if ((isVarArg) && (Subtarget->isABI_O32())) {
> -        if (StackPtr.Val == 0)
> +        if (StackPtr.getNode() == 0)
>           StackPtr = DAG.getRegister(StackReg, getPointerTy());
>
>         // The stack pointer offset is relative to the caller stack  
> frame.
> @@ -925,7 +925,7 @@
>   ArgValues.push_back(Root);
>
>   // Return the new list of results.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size()).getValue(Op.getResNo());
> }
>
> @@ -946,7 +946,7 @@
>   CCState CCInfo(CC, isVarArg, getTargetMachine(), RVLocs);
>
>   // Analize return values of ISD::RET
> -  CCInfo.AnalyzeReturn(Op.Val, RetCC_Mips);
> +  CCInfo.AnalyzeReturn(Op.getNode(), RetCC_Mips);
>
>   // If this is the first return lowered for this function, add
>   // the regs to the liveout set for the function.
> @@ -992,7 +992,7 @@
>   }
>
>   // Return on Mips is always a "jr $ra"
> -  if (Flag.Val)
> +  if (Flag.getNode())
>     return DAG.getNode(MipsISD::Ret, MVT::Other,
>                        Chain, DAG.getRegister(Mips::RA, MVT::i32),  
> Flag);
>   else // Return Void
>
> Modified: llvm/trunk/lib/Target/PIC16/PIC16ISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PIC16/PIC16ISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/PIC16/PIC16ISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/PIC16/PIC16ISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -168,11 +168,11 @@
>     if (LD) {
>       fsr = LD->getBasePtr();
>     }
> -    else if (isa<RegisterSDNode>(N.Val)) {
> +    else if (isa<RegisterSDNode>(N.getNode())) {
>       //FIXME an attempt to retrieve the register number
>       //but does not work
>       DOUT << "this is a register\n";
> -      Reg = dyn_cast<RegisterSDNode>(N.Val);
> +      Reg = dyn_cast<RegisterSDNode>(N.getNode());
>       fsr = CurDAG->getRegister(Reg->getReg(),MVT::i16);
>     }
>     else {
> @@ -198,7 +198,7 @@
>     return true;
>   }
>   else if (N.getOpcode() == PIC16ISD::Package) {
> -    CurDAG->setGraphColor(Op.Val, "blue");
> +    CurDAG->setGraphColor(Op.getNode(), "blue");
>     CurDAG->viewGraph();
>   }
>
> @@ -227,7 +227,7 @@
> /// expanded, promoted and normal instructions.
> SDNode* PIC16DAGToDAGISel::Select(SDValue N)
> {
> -  SDNode *Node = N.Val;
> +  SDNode *Node = N.getNode();
>   unsigned Opcode = Node->getOpcode();
>
>   // Dump information about the Node being selected
> @@ -262,8 +262,8 @@
>
> #ifndef NDEBUG
>   DOUT << std::string(Indent-2, ' ') << "=> ";
> -  if (ResNode == NULL || ResNode == N.Val)
> -    DEBUG(N.Val->dump(CurDAG));
> +  if (ResNode == NULL || ResNode == N.getNode())
> +    DEBUG(N.getNode()->dump(CurDAG));
>   else
>     DEBUG(ResNode->dump(CurDAG));
>   DOUT << "\n";
>
> Modified: llvm/trunk/lib/Target/PIC16/PIC16ISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PIC16/PIC16ISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/PIC16/PIC16ISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/PIC16/PIC16ISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -334,7 +334,7 @@
>   LoadSDNode *LD  = cast<LoadSDNode>(N);
>   SDValue Ptr   = LD->getBasePtr();
>   if (LD->getExtensionType() == ISD::NON_EXTLOAD) {
> -    if (ISD::isNON_TRUNCStore(Chain.Val)) {
> +    if (ISD::isNON_TRUNCStore(Chain.getNode())) {
>       StoreSDNode *PrevST = cast<StoreSDNode>(Chain);
>       if (PrevST->getBasePtr() == Ptr &&
>           PrevST->getValue().getValueType() == N->getValueType(0))
> @@ -352,7 +352,7 @@
>   Outs[1] = DAG.getLoad(MVT::i8, Chain, toWorklist, NULL, 0);
>   // FIXME: Add to worklist may not be needed.
>   // It is meant to merge sequences of add with constant into one.
> -  DCI.AddToWorklist(toWorklist.Val);
> +  DCI.AddToWorklist(toWorklist.getNode());
>
>   // Create the tokenfactors and carry it on to the build_pair node
>   OutChains[0] = Outs[0].getValue(1);
> @@ -443,7 +443,7 @@
>       changed = true;
>       // LowerLOAD returns a Package node or it may combine and return
>       // anything else.
> -      SDValue lowered = LowerLOAD(InOp[i].Val, DAG, DCI);
> +      SDValue lowered = LowerLOAD(InOp[i].getNode(), DAG, DCI);
>
>       // So If LowerLOAD returns something other than Package,
>       // then just call ADD again.
> @@ -462,7 +462,7 @@
>       changed = true;
>       // Must call LowerADDSUB recursively here,
>       // LowerADDSUB returns a Package node.
> -      SDValue lowered = LowerADDSUB(InOp[i].Val, DAG, DCI);
> +      SDValue lowered = LowerADDSUB(InOp[i].getNode(), DAG, DCI);
>
>       LoOps[i] = lowered.getOperand(0);
>       HiOps[i] = lowered.getOperand(1);
> @@ -543,7 +543,7 @@
>   // FIXME: Just copy right now.
>   ArgValues.push_back(Root);
>
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size()).getValue(Op.getResNo());
> }
>
> @@ -622,7 +622,7 @@
>       if ((Src.getOpcode() == ISD::ANY_EXTEND) ||
>           (Src.getOpcode() == ISD::SIGN_EXTEND) ||
>           (Src.getOpcode() == ISD::ZERO_EXTEND)) {
> -        Src = Src.Val->getOperand(0);
> +        Src = Src.getNode()->getOperand(0);
>         Stores[0] = DAG.getStore(Chain, Src, Dest, NULL,0);
>         return Stores[0];
>       }
> @@ -721,10 +721,10 @@
>           // We want to merge sequence of add with constant to one  
> add and a
>           // constant, so add the ADD node to worklist to have llvm  
> do that
>           // automatically.
> -          DCI.AddToWorklist(toWorkList.Val);
> +          DCI.AddToWorklist(toWorkList.getNode());
>
>           // We don't need the Package so add to worklist so llvm  
> deletes it
> -          DCI.AddToWorklist(Src.Val);
> +          DCI.AddToWorklist(Src.getNode());
>           retVal = DAG.getNode(ISD::TokenFactor, MVT::Other,  
> &Stores[0], 2);
>         }
>
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -294,7 +294,7 @@
>       BuildMI(FirstMBB, MBBI, TII.get(PPC::MFLR8), GlobalBaseReg);
>     }
>   }
> -  return CurDAG->getRegister(GlobalBaseReg,  
> PPCLowering.getPointerTy()).Val;
> +  return CurDAG->getRegister(GlobalBaseReg,  
> PPCLowering.getPointerTy()).getNode();
> }
>
> /// isIntS16Immediate - This method tests to see if the node is  
> either a 32-bit
> @@ -313,7 +313,7 @@
> }
>
> static bool isIntS16Immediate(SDValue Op, short &Imm) {
> -  return isIntS16Immediate(Op.Val, Imm);
> +  return isIntS16Immediate(Op.getNode(), Imm);
> }
>
>
> @@ -340,7 +340,7 @@
> // isInt32Immediate - This method tests to see if a constant operand.
> // If so Imm will receive the 32 bit value.
> static bool isInt32Immediate(SDValue N, unsigned &Imm) {
> -  return isInt32Immediate(N.Val, Imm);
> +  return isInt32Immediate(N.getNode(), Imm);
> }
>
>
> @@ -348,7 +348,7 @@
> // opcode and that it has a immediate integer right operand.
> // If so Imm will receive the 32 bit value.
> static bool isOpcWithIntImmediate(SDNode *N, unsigned Opc, unsigned&  
> Imm) {
> -  return N->getOpcode() == Opc && isInt32Immediate(N- 
> >getOperand(1).Val, Imm);
> +  return N->getOpcode() == Opc && isInt32Immediate(N- 
> >getOperand(1).getNode(), Imm);
> }
>
> bool PPCDAGToDAGISel::isRunOfOnes(unsigned Val, unsigned &MB,  
> unsigned &ME) {
> @@ -384,7 +384,7 @@
>   unsigned Indeterminant = ~0;  // bit mask marking indeterminant  
> results
>   unsigned Opcode = N->getOpcode();
>   if (N->getNumOperands() != 2 ||
> -      !isInt32Immediate(N->getOperand(1).Val, Shift) || (Shift > 31))
> +      !isInt32Immediate(N->getOperand(1).getNode(), Shift) ||  
> (Shift > 31))
>     return false;
>
>   if (Opcode == ISD::SHL) {
> @@ -540,7 +540,7 @@
>   } else if (LHS.getValueType() == MVT::i64) {
>     uint64_t Imm;
>     if (CC == ISD::SETEQ || CC == ISD::SETNE) {
> -      if (isInt64Immediate(RHS.Val, Imm)) {
> +      if (isInt64Immediate(RHS.getNode(), Imm)) {
>         // SETEQ/SETNE comparison with 16-bit immediate, fold it.
>         if (isUInt16(Imm))
>           return SDValue(CurDAG->getTargetNode(PPC::CMPLDI,  
> MVT::i64, LHS,
> @@ -568,7 +568,7 @@
>       }
>       Opc = PPC::CMPLD;
>     } else if (ISD::isUnsignedIntSetCC(CC)) {
> -      if (isInt64Immediate(RHS.Val, Imm) && isUInt16(Imm))
> +      if (isInt64Immediate(RHS.getNode(), Imm) && isUInt16(Imm))
>         return SDValue(CurDAG->getTargetNode(PPC::CMPLDI, MVT::i64,  
> LHS,
>                                                getI64Imm(Imm &  
> 0xFFFF)), 0);
>       Opc = PPC::CMPLD;
> @@ -653,7 +653,7 @@
> }
>
> SDNode *PPCDAGToDAGISel::SelectSETCC(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   unsigned Imm;
>   ISD::CondCode CC = cast<CondCodeSDNode>(N->getOperand(2))->get();
>   if (isInt32Immediate(N->getOperand(1), Imm)) {
> @@ -773,7 +773,7 @@
> // Select - Convert the specified operand from a target-independent  
> to a
> // target-specific node if it hasn't already been changed.
> SDNode *PPCDAGToDAGISel::Select(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   if (N->isMachineOpcode())
>     return NULL;   // Already selected.
>
> @@ -974,7 +974,7 @@
>     // If this is an and of a value rotated between 0 and 31 bits  
> and then and'd
>     // with a mask, emit rlwinm
>     if (isInt32Immediate(N->getOperand(1), Imm) &&
> -        isRotateAndMask(N->getOperand(0).Val, Imm, false, SH, MB,  
> ME)) {
> +        isRotateAndMask(N->getOperand(0).getNode(), Imm, false, SH,  
> MB, ME)) {
>       SDValue Val = N->getOperand(0).getOperand(0);
>       AddToISelQueue(Val);
>       SDValue Ops[] = { Val, getI32Imm(SH), getI32Imm(MB),  
> getI32Imm(ME) };
> @@ -1025,7 +1025,7 @@
>     break;
>   case ISD::SHL: {
>     unsigned Imm, SH, MB, ME;
> -    if (isOpcWithIntImmediate(N->getOperand(0).Val, ISD::AND, Imm) &&
> +    if (isOpcWithIntImmediate(N->getOperand(0).getNode(), ISD::AND,  
> Imm) &&
>         isRotateAndMask(N, Imm, true, SH, MB, ME)) {
>       AddToISelQueue(N->getOperand(0).getOperand(0));
>       SDValue Ops[] = { N->getOperand(0).getOperand(0),
> @@ -1038,7 +1038,7 @@
>   }
>   case ISD::SRL: {
>     unsigned Imm, SH, MB, ME;
> -    if (isOpcWithIntImmediate(N->getOperand(0).Val, ISD::AND, Imm) &&
> +    if (isOpcWithIntImmediate(N->getOperand(0).getNode(), ISD::AND,  
> Imm) &&
>         isRotateAndMask(N, Imm, true, SH, MB, ME)) {
>       AddToISelQueue(N->getOperand(0).getOperand(0));
>       SDValue Ops[] = { N->getOperand(0).getOperand(0),
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -423,7 +423,7 @@
> static bool isFloatingPointZero(SDValue Op) {
>   if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Op))
>     return CFP->getValueAPF().isZero();
> -  else if (ISD::isEXTLoad(Op.Val) || ISD::isNON_EXTLoad(Op.Val)) {
> +  else if (ISD::isEXTLoad(Op.getNode()) ||  
> ISD::isNON_EXTLoad(Op.getNode())) {
>     // Maybe this has already been legalized into the constant pool?
>     if (ConstantPoolSDNode *CP =  
> dyn_cast<ConstantPoolSDNode>(Op.getOperand(1)))
>       if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
> @@ -625,7 +625,7 @@
>       if (!isa<ConstantSDNode>(N->getOperand(i))) return SDValue();
>
>
> -      if (UniquedVals[i&(Multiple-1)].Val == 0)
> +      if (UniquedVals[i&(Multiple-1)].getNode() == 0)
>         UniquedVals[i&(Multiple-1)] = N->getOperand(i);
>       else if (UniquedVals[i&(Multiple-1)] != N->getOperand(i))
>         return SDValue();  // no match.
> @@ -640,21 +640,21 @@
>     bool LeadingZero = true;
>     bool LeadingOnes = true;
>     for (unsigned i = 0; i != Multiple-1; ++i) {
> -      if (UniquedVals[i].Val == 0) continue;  // Must have been  
> undefs.
> +      if (UniquedVals[i].getNode() == 0) continue;  // Must have  
> been undefs.
>
>       LeadingZero &= cast<ConstantSDNode>(UniquedVals[i])- 
> >isNullValue();
>       LeadingOnes &= cast<ConstantSDNode>(UniquedVals[i])- 
> >isAllOnesValue();
>     }
>     // Finally, check the least significant entry.
>     if (LeadingZero) {
> -      if (UniquedVals[Multiple-1].Val == 0)
> +      if (UniquedVals[Multiple-1].getNode() == 0)
>         return DAG.getTargetConstant(0, MVT::i32);  // 0,0,0,undef
>       int Val = cast<ConstantSDNode>(UniquedVals[Multiple-1])- 
> >getValue();
>       if (Val < 16)
>         return DAG.getTargetConstant(Val, MVT::i32);  // 0,0,0,4 ->  
> vspltisw(4)
>     }
>     if (LeadingOnes) {
> -      if (UniquedVals[Multiple-1].Val == 0)
> +      if (UniquedVals[Multiple-1].getNode() == 0)
>         return DAG.getTargetConstant(~0U, MVT::i32);  //  
> -1,-1,-1,undef
>       int Val =cast<ConstantSDNode>(UniquedVals[Multiple-1])- 
> >getSignExtended();
>       if (Val >= -16)                            // -1,-1,-1,-2 ->  
> vspltisw(-2)
> @@ -667,13 +667,13 @@
>   // Check to see if this buildvec has a single non-undef value in  
> its elements.
>   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
>     if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
> -    if (OpVal.Val == 0)
> +    if (OpVal.getNode() == 0)
>       OpVal = N->getOperand(i);
>     else if (OpVal != N->getOperand(i))
>       return SDValue();
>   }
>
> -  if (OpVal.Val == 0) return SDValue();  // All UNDEF: use implicit  
> def.
> +  if (OpVal.getNode() == 0) return SDValue();  // All UNDEF: use  
> implicit def.
>
>   unsigned ValSizeInBytes = 0;
>   uint64_t Value = 0;
> @@ -735,7 +735,7 @@
>     return Imm == (int64_t)cast<ConstantSDNode>(N)->getValue();
> }
> static bool isIntS16Immediate(SDValue Op, short &Imm) {
> -  return isIntS16Immediate(Op.Val, Imm);
> +  return isIntS16Immediate(Op.getNode(), Imm);
> }
>
>
> @@ -1389,7 +1389,7 @@
>   // to handle Elf here.
>   unsigned VecArgOffset = ArgOffset;
>   if (!isVarArg && !isPPC64) {
> -    for (unsigned ArgNo = 0, e = Op.Val->getNumValues()-1; ArgNo !=  
> e;
> +    for (unsigned ArgNo = 0, e = Op.getNode()->getNumValues()-1;  
> ArgNo != e;
>          ++ArgNo) {
>       MVT ObjectVT = Op.getValue(ArgNo).getValueType();
>       unsigned ObjSize = ObjectVT.getSizeInBits()/8;
> @@ -1439,7 +1439,7 @@
>
>   SmallVector<SDValue, 8> MemOps;
>   unsigned nAltivecParamsAtEnd = 0;
> -  for (unsigned ArgNo = 0, e = Op.Val->getNumValues()-1; ArgNo !=  
> e; ++ArgNo) {
> +  for (unsigned ArgNo = 0, e = Op.getNode()->getNumValues()-1;  
> ArgNo != e; ++ArgNo) {
>     SDValue ArgVal;
>     bool needsLoad = false;
>     MVT ObjectVT = Op.getValue(ArgNo).getValueType();
> @@ -1765,7 +1765,7 @@
>   ArgValues.push_back(Root);
>
>   // Return the new list of results.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size());
> }
>
> @@ -1906,7 +1906,7 @@
>     return 0;  // Top 6 bits have to be sext of immediate.
>
>   return DAG.getConstant((int)C->getValue() >> 2,
> -                          
> DAG.getTargetLoweringInfo().getPointerTy()).Val;
> +                          
> DAG.getTargetLoweringInfo().getPointerTy()).getNode();
> }
>
> namespace {
> @@ -2001,10 +2001,10 @@
>     MVT VT = PPCSubTarget.isPPC64() ? MVT::i64 : MVT::i32;
>     LROpOut = getReturnAddrFrameIndex(DAG);
>     LROpOut = DAG.getLoad(VT, Chain, LROpOut, NULL, 0);
> -    Chain = SDValue(LROpOut.Val, 1);
> +    Chain = SDValue(LROpOut.getNode(), 1);
>     FPOpOut = getFramePointerFrameIndex(DAG);
>     FPOpOut = DAG.getLoad(VT, Chain, FPOpOut, NULL, 0);
> -    Chain = SDValue(FPOpOut.Val, 1);
> +    Chain = SDValue(FPOpOut.getNode(), 1);
>   }
>   return Chain;
> }
> @@ -2193,12 +2193,12 @@
>           SDValue Const = DAG.getConstant(4 - Size,  
> PtrOff.getValueType());
>           SDValue AddPtr = DAG.getNode(ISD::ADD, PtrVT, PtrOff,  
> Const);
>           SDValue MemcpyCall = CreateCopyOfByValArgument(Arg, AddPtr,
> -                                CallSeqStart.Val->getOperand(0),
> +                                CallSeqStart.getNode()- 
> >getOperand(0),
>                                 Flags, DAG, Size);
>           // This must go outside the CALLSEQ_START..END.
>           SDValue NewCallSeqStart = DAG.getCALLSEQ_START(MemcpyCall,
> -                               CallSeqStart.Val->getOperand(1));
> -          DAG.ReplaceAllUsesWith(CallSeqStart.Val,  
> NewCallSeqStart.Val);
> +                               CallSeqStart.getNode()- 
> >getOperand(1));
> +          DAG.ReplaceAllUsesWith(CallSeqStart.getNode(),  
> NewCallSeqStart.getNode());
>           Chain = CallSeqStart = NewCallSeqStart;
>           ArgOffset += PtrByteSize;
>         }
> @@ -2208,12 +2208,12 @@
>       // code assumes it is there, even if it could be put entirely  
> into
>       // registers.  (This is not what the doc says.)
>       SDValue MemcpyCall = CreateCopyOfByValArgument(Arg, PtrOff,
> -                            CallSeqStart.Val->getOperand(0),
> +                            CallSeqStart.getNode()->getOperand(0),
>                             Flags, DAG, Size);
>       // This must go outside the CALLSEQ_START..END.
>       SDValue NewCallSeqStart = DAG.getCALLSEQ_START(MemcpyCall,
> -                           CallSeqStart.Val->getOperand(1));
> -      DAG.ReplaceAllUsesWith(CallSeqStart.Val, NewCallSeqStart.Val);
> +                           CallSeqStart.getNode()->getOperand(1));
> +      DAG.ReplaceAllUsesWith(CallSeqStart.getNode(),  
> NewCallSeqStart.getNode());
>       Chain = CallSeqStart = NewCallSeqStart;
>       // And copy the pieces of it that fit into registers.
>       for (unsigned j=0; j<Size; j+=PtrByteSize) {
> @@ -2432,7 +2432,7 @@
>     CallSeqOps.push_back(Chain);
>     CallSeqOps.push_back(DAG.getIntPtrConstant(NumBytes));
>     CallSeqOps.push_back(DAG.getIntPtrConstant(0));
> -    if (InFlag.Val)
> +    if (InFlag.getNode())
>       CallSeqOps.push_back(InFlag);
>     Chain = DAG.getNode(ISD::CALLSEQ_END, CallSeqNodeTys,  
> &CallSeqOps[0],
>                         CallSeqOps.size());
> @@ -2460,7 +2460,7 @@
>     // Otherwise, this is an indirect call.  We have to use a MTCTR/ 
> BCTRL pair
>     // to do the call, we can't use PPCISD::CALL.
>     SDValue MTCTROps[] = {Chain, Callee, InFlag};
> -    Chain = DAG.getNode(PPCISD::MTCTR, NodeTys, MTCTROps, 2+ 
> (InFlag.Val!=0));
> +    Chain = DAG.getNode(PPCISD::MTCTR, NodeTys, MTCTROps, 2+ 
> (InFlag.getNode()!=0));
>     InFlag = Chain.getValue(1);
>
>     // Copy the callee address into R12/X12 on darwin.
> @@ -2475,14 +2475,14 @@
>     NodeTys.push_back(MVT::Flag);
>     Ops.push_back(Chain);
>     CallOpc = isMachoABI ? PPCISD::BCTRL_Macho : PPCISD::BCTRL_ELF;
> -    Callee.Val = 0;
> +    Callee.setNode(0);
>     // Add CTR register as callee so a bctr can be emitted later.
>     if (isTailCall)
>       Ops.push_back(DAG.getRegister(PPC::CTR, getPointerTy()));
>   }
>
>   // If this is a direct call, pass the chain and the callee.
> -  if (Callee.Val) {
> +  if (Callee.getNode()) {
>     Ops.push_back(Chain);
>     Ops.push_back(Callee);
>   }
> @@ -2502,16 +2502,16 @@
>   int BytesCalleePops =
>     (CC==CallingConv::Fast && PerformTailCallOpt) ? NumBytes : 0;
>
> -  if (InFlag.Val)
> +  if (InFlag.getNode())
>     Ops.push_back(InFlag);
>
>   // Emit tail call.
>   if (isTailCall) {
> -    assert(InFlag.Val &&
> +    assert(InFlag.getNode() &&
>            "Flag must be set. Depend on flag being set in LowerRET");
>     Chain = DAG.getNode(PPCISD::TAILCALL,
> -                        Op.Val->getVTList(), &Ops[0], Ops.size());
> -    return SDValue(Chain.Val, Op.getResNo());
> +                        Op.getNode()->getVTList(), &Ops[0],  
> Ops.size());
> +    return SDValue(Chain.getNode(), Op.getResNo());
>   }
>
>   Chain = DAG.getNode(CallOpc, NodeTys, &Ops[0], Ops.size());
> @@ -2521,14 +2521,14 @@
>                              DAG.getConstant(NumBytes, PtrVT),
>                              DAG.getConstant(BytesCalleePops, PtrVT),
>                              InFlag);
> -  if (Op.Val->getValueType(0) != MVT::Other)
> +  if (Op.getNode()->getValueType(0) != MVT::Other)
>     InFlag = Chain.getValue(1);
>
>   SmallVector<SDValue, 16> ResultVals;
>   SmallVector<CCValAssign, 16> RVLocs;
>   unsigned CallerCC = DAG.getMachineFunction().getFunction()- 
> >getCallingConv();
>   CCState CCInfo(CallerCC, isVarArg, TM, RVLocs);
> -  CCInfo.AnalyzeCallResult(Op.Val, RetCC_PPC);
> +  CCInfo.AnalyzeCallResult(Op.getNode(), RetCC_PPC);
>
>   // Copy all of the result registers out of their specified physreg.
>   for (unsigned i = 0, e = RVLocs.size(); i != e; ++i) {
> @@ -2546,7 +2546,7 @@
>
>   // Otherwise, merge everything together with a MERGE_VALUES node.
>   ResultVals.push_back(Chain);
> -  SDValue Res = DAG.getMergeValues(Op.Val->getVTList(),  
> &ResultVals[0],
> +  SDValue Res = DAG.getMergeValues(Op.getNode()->getVTList(),  
> &ResultVals[0],
>                                      ResultVals.size());
>   return Res.getValue(Op.getResNo());
> }
> @@ -2557,7 +2557,7 @@
>   unsigned CC = DAG.getMachineFunction().getFunction()- 
> >getCallingConv();
>   bool isVarArg = DAG.getMachineFunction().getFunction()->isVarArg();
>   CCState CCInfo(CC, isVarArg, TM, RVLocs);
> -  CCInfo.AnalyzeReturn(Op.Val, RetCC_PPC);
> +  CCInfo.AnalyzeReturn(Op.getNode(), RetCC_PPC);
>
>   // If this is the first return lowered for this function, add the  
> regs to the
>   // liveout set for the function.
> @@ -2607,7 +2607,7 @@
>     Flag = Chain.getValue(1);
>   }
>
> -  if (Flag.Val)
> +  if (Flag.getNode())
>     return DAG.getNode(PPCISD::RET_FLAG, MVT::Other, Chain, Flag);
>   else
>     return DAG.getNode(PPCISD::RET_FLAG, MVT::Other, Chain);
> @@ -2818,11 +2818,11 @@
> SDValue PPCTargetLowering::LowerFP_ROUND_INREG(SDValue Op,
>                                                  SelectionDAG &DAG) {
>   assert(Op.getValueType() == MVT::ppcf128);
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>   assert(Node->getOperand(0).getValueType() == MVT::ppcf128);
> -  assert(Node->getOperand(0).Val->getOpcode() == ISD::BUILD_PAIR);
> -  SDValue Lo = Node->getOperand(0).Val->getOperand(0);
> -  SDValue Hi = Node->getOperand(0).Val->getOperand(1);
> +  assert(Node->getOperand(0).getNode()->getOpcode() ==  
> ISD::BUILD_PAIR);
> +  SDValue Lo = Node->getOperand(0).getNode()->getOperand(0);
> +  SDValue Hi = Node->getOperand(0).getNode()->getOperand(1);
>
>   // This sequence changes FPSCR to do round-to-zero, adds the two  
> halves
>   // of the long double, and puts FPSCR back the way it was.  We do  
> not
> @@ -3237,7 +3237,7 @@
>   // zero.
>   uint64_t VectorBits[2];
>   uint64_t UndefBits[2];
> -  if (GetConstantBuildVectorBits(Op.Val, VectorBits, UndefBits))
> +  if (GetConstantBuildVectorBits(Op.getNode(), VectorBits,  
> UndefBits))
>     return SDValue();   // Not a constant vector.
>
>   // If this is a splat (repetition) of a value across the whole  
> vector, return
> @@ -3483,18 +3483,18 @@
>   // (such as vsplt*) should be left as VECTOR_SHUFFLE nodes so they  
> can be
>   // selected by the instruction selector.
>   if (V2.getOpcode() == ISD::UNDEF) {
> -    if (PPC::isSplatShuffleMask(PermMask.Val, 1) ||
> -        PPC::isSplatShuffleMask(PermMask.Val, 2) ||
> -        PPC::isSplatShuffleMask(PermMask.Val, 4) ||
> -        PPC::isVPKUWUMShuffleMask(PermMask.Val, true) ||
> -        PPC::isVPKUHUMShuffleMask(PermMask.Val, true) ||
> -        PPC::isVSLDOIShuffleMask(PermMask.Val, true) != -1 ||
> -        PPC::isVMRGLShuffleMask(PermMask.Val, 1, true) ||
> -        PPC::isVMRGLShuffleMask(PermMask.Val, 2, true) ||
> -        PPC::isVMRGLShuffleMask(PermMask.Val, 4, true) ||
> -        PPC::isVMRGHShuffleMask(PermMask.Val, 1, true) ||
> -        PPC::isVMRGHShuffleMask(PermMask.Val, 2, true) ||
> -        PPC::isVMRGHShuffleMask(PermMask.Val, 4, true)) {
> +    if (PPC::isSplatShuffleMask(PermMask.getNode(), 1) ||
> +        PPC::isSplatShuffleMask(PermMask.getNode(), 2) ||
> +        PPC::isSplatShuffleMask(PermMask.getNode(), 4) ||
> +        PPC::isVPKUWUMShuffleMask(PermMask.getNode(), true) ||
> +        PPC::isVPKUHUMShuffleMask(PermMask.getNode(), true) ||
> +        PPC::isVSLDOIShuffleMask(PermMask.getNode(), true) != -1 ||
> +        PPC::isVMRGLShuffleMask(PermMask.getNode(), 1, true) ||
> +        PPC::isVMRGLShuffleMask(PermMask.getNode(), 2, true) ||
> +        PPC::isVMRGLShuffleMask(PermMask.getNode(), 4, true) ||
> +        PPC::isVMRGHShuffleMask(PermMask.getNode(), 1, true) ||
> +        PPC::isVMRGHShuffleMask(PermMask.getNode(), 2, true) ||
> +        PPC::isVMRGHShuffleMask(PermMask.getNode(), 4, true)) {
>       return Op;
>     }
>   }
> @@ -3502,15 +3502,15 @@
>   // Altivec has a variety of "shuffle immediates" that take two  
> vector inputs
>   // and produce a fixed permutation.  If any of these match, do not  
> lower to
>   // VPERM.
> -  if (PPC::isVPKUWUMShuffleMask(PermMask.Val, false) ||
> -      PPC::isVPKUHUMShuffleMask(PermMask.Val, false) ||
> -      PPC::isVSLDOIShuffleMask(PermMask.Val, false) != -1 ||
> -      PPC::isVMRGLShuffleMask(PermMask.Val, 1, false) ||
> -      PPC::isVMRGLShuffleMask(PermMask.Val, 2, false) ||
> -      PPC::isVMRGLShuffleMask(PermMask.Val, 4, false) ||
> -      PPC::isVMRGHShuffleMask(PermMask.Val, 1, false) ||
> -      PPC::isVMRGHShuffleMask(PermMask.Val, 2, false) ||
> -      PPC::isVMRGHShuffleMask(PermMask.Val, 4, false))
> +  if (PPC::isVPKUWUMShuffleMask(PermMask.getNode(), false) ||
> +      PPC::isVPKUHUMShuffleMask(PermMask.getNode(), false) ||
> +      PPC::isVSLDOIShuffleMask(PermMask.getNode(), false) != -1 ||
> +      PPC::isVMRGLShuffleMask(PermMask.getNode(), 1, false) ||
> +      PPC::isVMRGLShuffleMask(PermMask.getNode(), 2, false) ||
> +      PPC::isVMRGLShuffleMask(PermMask.getNode(), 4, false) ||
> +      PPC::isVMRGHShuffleMask(PermMask.getNode(), 1, false) ||
> +      PPC::isVMRGHShuffleMask(PermMask.getNode(), 2, false) ||
> +      PPC::isVMRGHShuffleMask(PermMask.getNode(), 4, false))
>     return Op;
>
>   // Check to see if this is a shuffle of 4-byte values.  If so, we  
> can use our
> @@ -3842,7 +3842,7 @@
>     // Use MERGE_VALUES to drop the chain result value and get a  
> node with one
>     // result.  This requires turning off getMergeValues  
> simplification, since
>     // otherwise it will give us Res back.
> -    return DAG.getMergeValues(&Res, 1, false).Val;
> +    return DAG.getMergeValues(&Res, 1, false).getNode();
>   }
>   }
> }
> @@ -4292,17 +4292,17 @@
>           SDValue Val = N->getOperand(0).getOperand(0);
>           if (Val.getValueType() == MVT::f32) {
>             Val = DAG.getNode(ISD::FP_EXTEND, MVT::f64, Val);
> -            DCI.AddToWorklist(Val.Val);
> +            DCI.AddToWorklist(Val.getNode());
>           }
>
>           Val = DAG.getNode(PPCISD::FCTIDZ, MVT::f64, Val);
> -          DCI.AddToWorklist(Val.Val);
> +          DCI.AddToWorklist(Val.getNode());
>           Val = DAG.getNode(PPCISD::FCFID, MVT::f64, Val);
> -          DCI.AddToWorklist(Val.Val);
> +          DCI.AddToWorklist(Val.getNode());
>           if (N->getValueType(0) == MVT::f32) {
>             Val = DAG.getNode(ISD::FP_ROUND, MVT::f32, Val,
>                               DAG.getIntPtrConstant(0));
> -            DCI.AddToWorklist(Val.Val);
> +            DCI.AddToWorklist(Val.getNode());
>           }
>           return Val;
>         } else if (N->getOperand(0).getValueType() == MVT::i32) {
> @@ -4322,20 +4322,20 @@
>       SDValue Val = N->getOperand(1).getOperand(0);
>       if (Val.getValueType() == MVT::f32) {
>         Val = DAG.getNode(ISD::FP_EXTEND, MVT::f64, Val);
> -        DCI.AddToWorklist(Val.Val);
> +        DCI.AddToWorklist(Val.getNode());
>       }
>       Val = DAG.getNode(PPCISD::FCTIWZ, MVT::f64, Val);
> -      DCI.AddToWorklist(Val.Val);
> +      DCI.AddToWorklist(Val.getNode());
>
>       Val = DAG.getNode(PPCISD::STFIWX, MVT::Other, N- 
> >getOperand(0), Val,
>                         N->getOperand(2), N->getOperand(3));
> -      DCI.AddToWorklist(Val.Val);
> +      DCI.AddToWorklist(Val.getNode());
>       return Val;
>     }
>
>     // Turn STORE (BSWAP) -> sthbrx/stwbrx.
>     if (N->getOperand(1).getOpcode() == ISD::BSWAP &&
> -        N->getOperand(1).Val->hasOneUse() &&
> +        N->getOperand(1).getNode()->hasOneUse() &&
>         (N->getOperand(1).getValueType() == MVT::i32 ||
>          N->getOperand(1).getValueType() == MVT::i16)) {
>       SDValue BSwapOp = N->getOperand(1).getOperand(0);
> @@ -4350,7 +4350,7 @@
>     break;
>   case ISD::BSWAP:
>     // Turn BSWAP (LOAD) -> lhbrx/lwbrx.
> -    if (ISD::isNON_EXTLoad(N->getOperand(0).Val) &&
> +    if (ISD::isNON_EXTLoad(N->getOperand(0).getNode()) &&
>         N->getOperand(0).hasOneUse() &&
>         (N->getValueType(0) == MVT::i32 || N->getValueType(0) ==  
> MVT::i16)) {
>       SDValue Load = N->getOperand(0);
> @@ -4379,7 +4379,7 @@
>
>       // Next, combine the load away, we give it a bogus result  
> value but a real
>       // chain result.  The result value is dead because the bswap  
> is dead.
> -      DCI.CombineTo(Load.Val, ResVal, BSLoad.getValue(1));
> +      DCI.CombineTo(Load.getNode(), ResVal, BSLoad.getValue(1));
>
>       // Return N so it doesn't get rechecked!
>       return SDValue(N, 0);
> @@ -4398,7 +4398,7 @@
>       // Scan all of the users of the LHS, looking for VCMPo's that  
> match.
>       SDNode *VCMPoNode = 0;
>
> -      SDNode *LHSN = N->getOperand(0).Val;
> +      SDNode *LHSN = N->getOperand(0).getNode();
>       for (SDNode::use_iterator UI = LHSN->use_begin(), E = LHSN- 
> >use_end();
>            UI != E; ++UI)
>         if (UI->getOpcode() == PPCISD::VCMPo &&
> @@ -4650,7 +4650,7 @@
>   }
>   }
>
> -  if (Result.Val) {
> +  if (Result.getNode()) {
>     Ops.push_back(Result);
>     return;
>   }
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrAltivec.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrAltivec.td?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCInstrAltivec.td (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCInstrAltivec.td Thu Aug 28  
> 16:40:38 2008
> @@ -113,7 +113,7 @@
>   return PPC::get_VSPLTI_elt(N, 1, *CurDAG);
> }]>;
> def vecspltisb : PatLeaf<(build_vector), [{
> -  return PPC::get_VSPLTI_elt(N, 1, *CurDAG).Val != 0;
> +  return PPC::get_VSPLTI_elt(N, 1, *CurDAG).getNode() != 0;
> }], VSPLTISB_get_imm>;
>
> // VSPLTISH_get_imm xform function: convert build_vector to VSPLTISH  
> imm.
> @@ -121,7 +121,7 @@
>   return PPC::get_VSPLTI_elt(N, 2, *CurDAG);
> }]>;
> def vecspltish : PatLeaf<(build_vector), [{
> -  return PPC::get_VSPLTI_elt(N, 2, *CurDAG).Val != 0;
> +  return PPC::get_VSPLTI_elt(N, 2, *CurDAG).getNode() != 0;
> }], VSPLTISH_get_imm>;
>
> // VSPLTISW_get_imm xform function: convert build_vector to VSPLTISW  
> imm.
> @@ -129,7 +129,7 @@
>   return PPC::get_VSPLTI_elt(N, 4, *CurDAG);
> }]>;
> def vecspltisw : PatLeaf<(build_vector), [{
> -  return PPC::get_VSPLTI_elt(N, 4, *CurDAG).Val != 0;
> +  return PPC::get_VSPLTI_elt(N, 4, *CurDAG).getNode() != 0;
> }], VSPLTISW_get_imm>;
>
> def V_immneg0 : PatLeaf<(build_vector), [{
>
> Modified: llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/Sparc/SparcISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -120,7 +120,7 @@
>
>   if (Addr.getOpcode() == ISD::ADD) {
>     if (isa<ConstantSDNode>(Addr.getOperand(1)) &&
> -        Predicate_simm13(Addr.getOperand(1).Val))
> +        Predicate_simm13(Addr.getOperand(1).getNode()))
>       return false;  // Let the reg+imm pattern catch this!
>     if (Addr.getOperand(0).getOpcode() == SPISD::Lo ||
>         Addr.getOperand(1).getOpcode() == SPISD::Lo)
> @@ -136,7 +136,7 @@
> }
>
> SDNode *SparcDAGToDAGISel::Select(SDValue Op) {
> -  SDNode *N = Op.Val;
> +  SDNode *N = Op.getNode();
>   if (N->isMachineOpcode())
>     return NULL;   // Already selected.
>
>
> Modified: llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/Sparc/SparcISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -40,7 +40,7 @@
>   CCState CCInfo(CC, isVarArg, DAG.getTarget(), RVLocs);
>
>   // Analize return values of ISD::RET
> -  CCInfo.AnalyzeReturn(Op.Val, RetCC_Sparc32);
> +  CCInfo.AnalyzeReturn(Op.getNode(), RetCC_Sparc32);
>
>   // If this is the first return lowered for this function, add the  
> regs to the
>   // liveout set for the function.
> @@ -66,7 +66,7 @@
>     Flag = Chain.getValue(1);
>   }
>
> -  if (Flag.Val)
> +  if (Flag.getNode())
>     return DAG.getNode(SPISD::RET_FLAG, MVT::Other, Chain, Flag);
>   return DAG.getNode(SPISD::RET_FLAG, MVT::Other, Chain);
> }
> @@ -233,7 +233,7 @@
>   // Analyze operands of the call, assigning locations to each  
> operand.
>   SmallVector<CCValAssign, 16> ArgLocs;
>   CCState CCInfo(CallingConv, isVarArg, DAG.getTarget(), ArgLocs);
> -  CCInfo.AnalyzeCallOperands(Op.Val, CC_Sparc32);
> +  CCInfo.AnalyzeCallOperands(Op.getNode(), CC_Sparc32);
>
>   // Get the size of the outgoing arguments stack space requirement.
>   unsigned ArgsSize = CCInfo.getNextStackOffset();
> @@ -374,7 +374,7 @@
>       break;
>     }
>
> -    if (ValToStore.Val) {
> +    if (ValToStore.getNode()) {
>       SDValue StackPtr = DAG.getRegister(SP::O6, MVT::i32);
>       SDValue PtrOff = DAG.getConstant(ArgOffset, MVT::i32);
>       PtrOff = DAG.getNode(ISD::ADD, MVT::i32, StackPtr, PtrOff);
> @@ -416,7 +416,7 @@
>   NodeTys.push_back(MVT::Other);   // Returns a chain
>   NodeTys.push_back(MVT::Flag);    // Returns a flag for retval copy  
> to use.
>   SDValue Ops[] = { Chain, Callee, InFlag };
> -  Chain = DAG.getNode(SPISD::CALL, NodeTys, Ops, InFlag.Val ? 3 : 2);
> +  Chain = DAG.getNode(SPISD::CALL, NodeTys, Ops, InFlag.getNode() ?  
> 3 : 2);
>   InFlag = Chain.getValue(1);
>
>   Chain = DAG.getCALLSEQ_END(Chain,
> @@ -428,7 +428,7 @@
>   SmallVector<CCValAssign, 16> RVLocs;
>   CCState RVInfo(CallingConv, isVarArg, DAG.getTarget(), RVLocs);
>
> -  RVInfo.AnalyzeCallResult(Op.Val, RetCC_Sparc32);
> +  RVInfo.AnalyzeCallResult(Op.getNode(), RetCC_Sparc32);
>   SmallVector<SDValue, 8> ResultVals;
>
>   // Copy all of the result registers out of their specified physreg.
> @@ -448,7 +448,7 @@
>   ResultVals.push_back(Chain);
>
>   // Merge everything together with a MERGE_VALUES node.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ResultVals[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(),  
> &ResultVals[0],
>                             ResultVals.size());
> }
>
> @@ -803,7 +803,7 @@
> }
>
> static SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG) {
> -  SDNode *Node = Op.Val;
> +  SDNode *Node = Op.getNode();
>   MVT VT = Node->getValueType(0);
>   SDValue InChain = Node->getOperand(0);
>   SDValue VAListPtr = Node->getOperand(1);
>
> Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
> +++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -80,11 +80,11 @@
>     }
>     void dump() {
>       cerr << "X86ISelAddressMode " << this << "\n";
> -      cerr << "Base.Reg "; if (Base.Reg.Val!=0) Base.Reg.Val->dump();
> +      cerr << "Base.Reg "; if (Base.Reg.getNode()!=0)  
> Base.Reg.getNode()->dump();
>                            else cerr << "nul";
>       cerr << " Base.FrameIndex " << Base.FrameIndex << "\n";
>       cerr << "isRIPRel " << isRIPRel << " Scale" << Scale << "\n";
> -      cerr << "IndexReg "; if (IndexReg.Val!=0) IndexReg.Val->dump();
> +      cerr << "IndexReg "; if (IndexReg.getNode()!=0)  
> IndexReg.getNode()->dump();
>                           else cerr << "nul";
>       cerr << " Disp " << Disp << "\n";
>       cerr << "GV "; if (GV) GV->dump();
> @@ -253,7 +253,7 @@
>     SDNode *User = *I;
>     for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
>       SDValue Op = User->getOperand(i);
> -      if (Op.Val == N && Op.getResNo() == FlagResNo)
> +      if (Op.getNode() == N && Op.getResNo() == FlagResNo)
>         return User;
>     }
>   }
> @@ -272,7 +272,7 @@
>     return;
>
>   for (unsigned i = 0, e = Use->getNumOperands(); !found && i != e; + 
> +i) {
> -    SDNode *N = Use->getOperand(i).Val;
> +    SDNode *N = Use->getOperand(i).getNode();
>     if (N == Skip)
>       continue;
>     if (N == Def) {
> @@ -374,8 +374,8 @@
> static void MoveBelowTokenFactor(SelectionDAG *CurDAG, SDValue Load,
>                                  SDValue Store, SDValue TF) {
>   SmallVector<SDValue, 4> Ops;
> -  for (unsigned i = 0, e = TF.Val->getNumOperands(); i != e; ++i)
> -    if (Load.Val == TF.getOperand(i).Val)
> +  for (unsigned i = 0, e = TF.getNode()->getNumOperands(); i != e; + 
> +i)
> +    if (Load.getNode() == TF.getOperand(i).getNode())
>       Ops.push_back(Load.getOperand(0));
>     else
>       Ops.push_back(TF.getOperand(i));
> @@ -404,7 +404,7 @@
>
>   if (N.hasOneUse() &&
>       N.getOperand(1) == Address &&
> -      N.Val->isOperandOf(Chain.Val)) {
> +      N.getNode()->isOperandOf(Chain.getNode())) {
>     Load = N;
>     return true;
>   }
> @@ -416,8 +416,8 @@
> static void MoveBelowCallSeqStart(SelectionDAG *CurDAG, SDValue Load,
>                            SDValue Call, SDValue Chain) {
>   SmallVector<SDValue, 8> Ops;
> -  for (unsigned i = 0, e = Chain.Val->getNumOperands(); i != e; ++i)
> -    if (Load.Val == Chain.getOperand(i).Val)
> +  for (unsigned i = 0, e = Chain.getNode()->getNumOperands(); i !=  
> e; ++i)
> +    if (Load.getNode() == Chain.getOperand(i).getNode())
>       Ops.push_back(Load.getOperand(0));
>     else
>       Ops.push_back(Chain.getOperand(i));
> @@ -425,8 +425,8 @@
>   CurDAG->UpdateNodeOperands(Load, Call.getOperand(0),
>                              Load.getOperand(1), Load.getOperand(2));
>   Ops.clear();
> -  Ops.push_back(SDValue(Load.Val, 1));
> -  for (unsigned i = 1, e = Call.Val->getNumOperands(); i != e; ++i)
> +  Ops.push_back(SDValue(Load.getNode(), 1));
> +  for (unsigned i = 1, e = Call.getNode()->getNumOperands(); i !=  
> e; ++i)
>     Ops.push_back(Call.getOperand(i));
>   CurDAG->UpdateNodeOperands(Call, &Ops[0], Ops.size());
> }
> @@ -435,9 +435,9 @@
> /// moved below CALLSEQ_START and the chains leading up to the call.
> /// Return the CALLSEQ_START by reference as a second output.
> static bool isCalleeLoad(SDValue Callee, SDValue &Chain) {
> -  if (Callee.Val == Chain.Val || !Callee.hasOneUse())
> +  if (Callee.getNode() == Chain.getNode() || !Callee.hasOneUse())
>     return false;
> -  LoadSDNode *LD = dyn_cast<LoadSDNode>(Callee.Val);
> +  LoadSDNode *LD = dyn_cast<LoadSDNode>(Callee.getNode());
>   if (!LD ||
>       LD->isVolatile() ||
>       LD->getAddressingMode() != ISD::UNINDEXED ||
> @@ -450,7 +450,7 @@
>       return false;
>     Chain = Chain.getOperand(0);
>   }
> -  return Chain.getOperand(0).Val == Callee.Val;
> +  return Chain.getOperand(0).getNode() == Callee.getNode();
> }
>
>
> @@ -530,7 +530,7 @@
>       continue;
>     SDValue Chain = I->getOperand(0);
>
> -    if (Chain.Val->getOpcode() != ISD::TokenFactor)
> +    if (Chain.getNode()->getOpcode() != ISD::TokenFactor)
>       continue;
>
>     SDValue N1 = I->getOperand(1);
> @@ -542,7 +542,7 @@
>
>     bool RModW = false;
>     SDValue Load;
> -    unsigned Opcode = N1.Val->getOpcode();
> +    unsigned Opcode = N1.getNode()->getOpcode();
>     switch (Opcode) {
>     case ISD::ADD:
>     case ISD::MUL:
> @@ -786,7 +786,7 @@
>     return true;
>   }
>
> -  int id = N.Val->getNodeId();
> +  int id = N.getNode()->getNodeId();
>   bool AlreadySelected = isSelected(id); // Already selected, not  
> yet replaced.
>
>   switch (N.getOpcode()) {
> @@ -808,14 +808,14 @@
>     // Under X86-64 non-small code model, GV (and friends) are 64- 
> bits.
>     // Also, base and index reg must be 0 in order to use rip as base.
>     if (is64Bit && (TM.getCodeModel() != CodeModel::Small ||
> -                    AM.Base.Reg.Val || AM.IndexReg.Val))
> +                    AM.Base.Reg.getNode() || AM.IndexReg.getNode()))
>       break;
>     if (AM.GV != 0 || AM.CP != 0 || AM.ES != 0 || AM.JT != -1)
>       break;
>     // If value is available in a register both base and index  
> components have
>     // been picked, we can't fit the result available in the  
> register in the
>     // addressing mode. Duplicate GlobalAddress or ConstantPool as  
> displacement.
> -    if (!AlreadySelected || (AM.Base.Reg.Val && AM.IndexReg.Val)) {
> +    if (!AlreadySelected || (AM.Base.Reg.getNode() &&  
> AM.IndexReg.getNode())) {
>       SDValue N0 = N.getOperand(0);
>       if (GlobalAddressSDNode *G =  
> dyn_cast<GlobalAddressSDNode>(N0)) {
>         GlobalValue *GV = G->getGlobal();
> @@ -847,7 +847,7 @@
>   }
>
>   case ISD::FrameIndex:
> -    if (AM.BaseType == X86ISelAddressMode::RegBase &&  
> AM.Base.Reg.Val == 0) {
> +    if (AM.BaseType == X86ISelAddressMode::RegBase &&  
> AM.Base.Reg.getNode() == 0) {
>       AM.BaseType = X86ISelAddressMode::FrameIndexBase;
>       AM.Base.FrameIndex = cast<FrameIndexSDNode>(N)->getIndex();
>       return false;
> @@ -855,23 +855,23 @@
>     break;
>
>   case ISD::SHL:
> -    if (AlreadySelected || AM.IndexReg.Val != 0 || AM.Scale != 1 ||  
> AM.isRIPRel)
> +    if (AlreadySelected || AM.IndexReg.getNode() != 0 || AM.Scale ! 
> = 1 || AM.isRIPRel)
>       break;
>
> -    if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.Val- 
> >getOperand(1))) {
> +    if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getNode()- 
> >getOperand(1))) {
>       unsigned Val = CN->getValue();
>       if (Val == 1 || Val == 2 || Val == 3) {
>         AM.Scale = 1 << Val;
> -        SDValue ShVal = N.Val->getOperand(0);
> +        SDValue ShVal = N.getNode()->getOperand(0);
>
>         // Okay, we know that we have a scale by now.  However, if  
> the scaled
>         // value is an add of something and a constant, we can fold  
> the
>         // constant into the disp field here.
> -        if (ShVal.Val->getOpcode() == ISD::ADD && ShVal.hasOneUse()  
> &&
> -            isa<ConstantSDNode>(ShVal.Val->getOperand(1))) {
> -          AM.IndexReg = ShVal.Val->getOperand(0);
> +        if (ShVal.getNode()->getOpcode() == ISD::ADD &&  
> ShVal.hasOneUse() &&
> +            isa<ConstantSDNode>(ShVal.getNode()->getOperand(1))) {
> +          AM.IndexReg = ShVal.getNode()->getOperand(0);
>           ConstantSDNode *AddVal =
> -            cast<ConstantSDNode>(ShVal.Val->getOperand(1));
> +            cast<ConstantSDNode>(ShVal.getNode()->getOperand(1));
>           uint64_t Disp = AM.Disp + (AddVal->getValue() << Val);
>           if (isInt32(Disp))
>             AM.Disp = Disp;
> @@ -894,31 +894,31 @@
>     // X*[3,5,9] -> X+X*[2,4,8]
>     if (!AlreadySelected &&
>         AM.BaseType == X86ISelAddressMode::RegBase &&
> -        AM.Base.Reg.Val == 0 &&
> -        AM.IndexReg.Val == 0 &&
> +        AM.Base.Reg.getNode() == 0 &&
> +        AM.IndexReg.getNode() == 0 &&
>         !AM.isRIPRel) {
> -      if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.Val- 
> >getOperand(1)))
> +      if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getNode()- 
> >getOperand(1)))
>         if (CN->getValue() == 3 || CN->getValue() == 5 || CN- 
> >getValue() == 9) {
>           AM.Scale = unsigned(CN->getValue())-1;
>
> -          SDValue MulVal = N.Val->getOperand(0);
> +          SDValue MulVal = N.getNode()->getOperand(0);
>           SDValue Reg;
>
>           // Okay, we know that we have a scale by now.  However, if  
> the scaled
>           // value is an add of something and a constant, we can  
> fold the
>           // constant into the disp field here.
> -          if (MulVal.Val->getOpcode() == ISD::ADD &&  
> MulVal.hasOneUse() &&
> -              isa<ConstantSDNode>(MulVal.Val->getOperand(1))) {
> -            Reg = MulVal.Val->getOperand(0);
> +          if (MulVal.getNode()->getOpcode() == ISD::ADD &&  
> MulVal.hasOneUse() &&
> +              isa<ConstantSDNode>(MulVal.getNode()->getOperand(1))) {
> +            Reg = MulVal.getNode()->getOperand(0);
>             ConstantSDNode *AddVal =
> -              cast<ConstantSDNode>(MulVal.Val->getOperand(1));
> +              cast<ConstantSDNode>(MulVal.getNode()->getOperand(1));
>             uint64_t Disp = AM.Disp + AddVal->getValue() * CN- 
> >getValue();
>             if (isInt32(Disp))
>               AM.Disp = Disp;
>             else
> -              Reg = N.Val->getOperand(0);
> +              Reg = N.getNode()->getOperand(0);
>           } else {
> -            Reg = N.Val->getOperand(0);
> +            Reg = N.getNode()->getOperand(0);
>           }
>
>           AM.IndexReg = AM.Base.Reg = Reg;
> @@ -930,12 +930,12 @@
>   case ISD::ADD:
>     if (!AlreadySelected) {
>       X86ISelAddressMode Backup = AM;
> -      if (!MatchAddress(N.Val->getOperand(0), AM, false, Depth+1) &&
> -          !MatchAddress(N.Val->getOperand(1), AM, false, Depth+1))
> +      if (!MatchAddress(N.getNode()->getOperand(0), AM, false, Depth 
> +1) &&
> +          !MatchAddress(N.getNode()->getOperand(1), AM, false, Depth 
> +1))
>         return false;
>       AM = Backup;
> -      if (!MatchAddress(N.Val->getOperand(1), AM, false, Depth+1) &&
> -          !MatchAddress(N.Val->getOperand(0), AM, false, Depth+1))
> +      if (!MatchAddress(N.getNode()->getOperand(1), AM, false, Depth 
> +1) &&
> +          !MatchAddress(N.getNode()->getOperand(0), AM, false, Depth 
> +1))
>         return false;
>       AM = Backup;
>     }
> @@ -970,7 +970,7 @@
>     if (Shift.getOpcode() != ISD::SHL) break;
>
>     // Scale must not be used already.
> -    if (AM.IndexReg.Val != 0 || AM.Scale != 1) break;
> +    if (AM.IndexReg.getNode() != 0 || AM.Scale != 1) break;
>
>     // Not when RIP is used as the base.
>     if (AM.isRIPRel) break;
> @@ -995,8 +995,8 @@
>                                            SDValue(C2, 0),  
> SDValue(C1, 0));
>     SDValue NewAND = CurDAG->getNode(ISD::AND, N.getValueType(),
>                                        Shift.getOperand(0),  
> NewANDMask);
> -    NewANDMask.Val->setNodeId(Shift.Val->getNodeId());
> -    NewAND.Val->setNodeId(N.Val->getNodeId());
> +    NewANDMask.getNode()->setNodeId(Shift.getNode()->getNodeId());
> +    NewAND.getNode()->setNodeId(N.getNode()->getNodeId());
>
>     AM.Scale = 1 << ShiftCst;
>     AM.IndexReg = NewAND;
> @@ -1012,9 +1012,9 @@
> bool X86DAGToDAGISel::MatchAddressBase(SDValue N, X86ISelAddressMode  
> &AM,
>                                        bool isRoot, unsigned Depth) {
>   // Is the base register already occupied?
> -  if (AM.BaseType != X86ISelAddressMode::RegBase ||  
> AM.Base.Reg.Val) {
> +  if (AM.BaseType != X86ISelAddressMode::RegBase ||  
> AM.Base.Reg.getNode()) {
>     // If so, check to see if the scale index register is set.
> -    if (AM.IndexReg.Val == 0 && !AM.isRIPRel) {
> +    if (AM.IndexReg.getNode() == 0 && !AM.isRIPRel) {
>       AM.IndexReg = N;
>       AM.Scale = 1;
>       return false;
> @@ -1042,11 +1042,11 @@
>
>   MVT VT = N.getValueType();
>   if (AM.BaseType == X86ISelAddressMode::RegBase) {
> -    if (!AM.Base.Reg.Val)
> +    if (!AM.Base.Reg.getNode())
>       AM.Base.Reg = CurDAG->getRegister(0, VT);
>   }
>
> -  if (!AM.IndexReg.Val)
> +  if (!AM.IndexReg.getNode())
>     AM.IndexReg = CurDAG->getRegister(0, VT);
>
>   getAddressOperands(AM, Base, Scale, Index, Disp);
> @@ -1073,10 +1073,10 @@
>                                           SDValue &OutChain) {
>   if (N.getOpcode() == ISD::SCALAR_TO_VECTOR) {
>     InChain = N.getOperand(0).getValue(1);
> -    if (ISD::isNON_EXTLoad(InChain.Val) &&
> +    if (ISD::isNON_EXTLoad(InChain.getNode()) &&
>         InChain.getValue(0).hasOneUse() &&
>         N.hasOneUse() &&
> -        CanBeFoldedBy(N.Val, Pred.Val, Op.Val)) {
> +        CanBeFoldedBy(N.getNode(), Pred.getNode(), Op.getNode())) {
>       LoadSDNode *LD = cast<LoadSDNode>(InChain);
>       if (!SelectAddr(Op, LD->getBasePtr(), Base, Scale, Index, Disp))
>         return false;
> @@ -1087,11 +1087,11 @@
>
>   // Also handle the case where we explicitly require zeros in the top
>   // elements.  This is a vector shuffle from the zero vector.
> -  if (N.getOpcode() == X86ISD::VZEXT_MOVL && N.Val->hasOneUse() &&
> +  if (N.getOpcode() == X86ISD::VZEXT_MOVL && N.getNode()- 
> >hasOneUse() &&
>       // Check to see if the top elements are all zeros (or bitcast  
> of zeros).
>       N.getOperand(0).getOpcode() == ISD::SCALAR_TO_VECTOR &&
> -      N.getOperand(0).Val->hasOneUse() &&
> -      ISD::isNON_EXTLoad(N.getOperand(0).getOperand(0).Val) &&
> +      N.getOperand(0).getNode()->hasOneUse() &&
> +      ISD::isNON_EXTLoad(N.getOperand(0).getOperand(0).getNode()) &&
>       N.getOperand(0).getOperand(0).hasOneUse()) {
>     // Okay, this is a zero extending load.  Fold it.
>     LoadSDNode *LD = cast<LoadSDNode>(N.getOperand(0).getOperand(0));
> @@ -1117,14 +1117,14 @@
>   MVT VT = N.getValueType();
>   unsigned Complexity = 0;
>   if (AM.BaseType == X86ISelAddressMode::RegBase)
> -    if (AM.Base.Reg.Val)
> +    if (AM.Base.Reg.getNode())
>       Complexity = 1;
>     else
>       AM.Base.Reg = CurDAG->getRegister(0, VT);
>   else if (AM.BaseType == X86ISelAddressMode::FrameIndexBase)
>     Complexity = 4;
>
> -  if (AM.IndexReg.Val)
> +  if (AM.IndexReg.getNode())
>     Complexity++;
>   else
>     AM.IndexReg = CurDAG->getRegister(0, VT);
> @@ -1148,7 +1148,7 @@
>       Complexity += 2;
>   }
>
> -  if (AM.Disp && (AM.Base.Reg.Val || AM.IndexReg.Val))
> +  if (AM.Disp && (AM.Base.Reg.getNode() || AM.IndexReg.getNode()))
>     Complexity++;
>
>   if (Complexity > 2) {
> @@ -1161,9 +1161,9 @@
> bool X86DAGToDAGISel::TryFoldLoad(SDValue P, SDValue N,
>                                   SDValue &Base, SDValue &Scale,
>                                   SDValue &Index, SDValue &Disp) {
> -  if (ISD::isNON_EXTLoad(N.Val) &&
> +  if (ISD::isNON_EXTLoad(N.getNode()) &&
>       N.hasOneUse() &&
> -      CanBeFoldedBy(N.Val, P.Val, P.Val))
> +      CanBeFoldedBy(N.getNode(), P.getNode(), P.getNode()))
>     return SelectAddr(P, N.getOperand(1), Base, Scale, Index, Disp);
>   return false;
> }
> @@ -1198,14 +1198,14 @@
>     }
>
>   }
> -  return CurDAG->getRegister(GlobalBaseReg, TLI.getPointerTy()).Val;
> +  return CurDAG->getRegister(GlobalBaseReg,  
> TLI.getPointerTy()).getNode();
> }
>
> static SDNode *FindCallStartFromCall(SDNode *Node) {
>   if (Node->getOpcode() == ISD::CALLSEQ_START) return Node;
>     assert(Node->getOperand(0).getValueType() == MVT::Other &&
>          "Node doesn't have a token chain argument!");
> -  return FindCallStartFromCall(Node->getOperand(0).Val);
> +  return FindCallStartFromCall(Node->getOperand(0).getNode());
> }
>
> /// getTruncateTo8Bit - return an SDNode that implements a subreg  
> based
> @@ -1239,7 +1239,7 @@
>
>
> SDNode *X86DAGToDAGISel::Select(SDValue N) {
> -  SDNode *Node = N.Val;
> +  SDNode *Node = N.getNode();
>   MVT NVT = Node->getValueType(0);
>   unsigned Opc, MOpc;
>   unsigned Opcode = Node->getOpcode();
> @@ -1277,7 +1277,7 @@
>       MVT PtrVT = TLI.getPointerTy();
>       SDValue N0 = N.getOperand(0);
>       SDValue N1 = N.getOperand(1);
> -      if (N.Val->getValueType(0) == PtrVT &&
> +      if (N.getNode()->getValueType(0) == PtrVT &&
>           N0.getOpcode() == X86ISD::Wrapper &&
>           N1.getOpcode() == ISD::Constant) {
>         unsigned Offset = (unsigned)cast<ConstantSDNode>(N1)- 
> >getValue();
> @@ -1294,13 +1294,13 @@
>                                             CP->getOffset()+Offset);
>         }
>
> -        if (C.Val) {
> +        if (C.getNode()) {
>           if (Subtarget->is64Bit()) {
>             SDValue Ops[] = { CurDAG->getRegister(0, PtrVT),  
> getI8Imm(1),
>                                 CurDAG->getRegister(0, PtrVT), C };
> -            return CurDAG->SelectNodeTo(N.Val, X86::LEA64r,  
> MVT::i64, Ops, 4);
> +            return CurDAG->SelectNodeTo(N.getNode(), X86::LEA64r,  
> MVT::i64, Ops, 4);
>           } else
> -            return CurDAG->SelectNodeTo(N.Val, X86::MOV32ri, PtrVT,  
> C);
> +            return CurDAG->SelectNodeTo(N.getNode(), X86::MOV32ri,  
> PtrVT, C);
>         }
>       }
>
> @@ -1379,7 +1379,7 @@
>         ReplaceUses(N.getValue(0), Result);
> #ifndef NDEBUG
>         DOUT << std::string(Indent-2, ' ') << "=> ";
> -        DEBUG(Result.Val->dump(CurDAG));
> +        DEBUG(Result.getNode()->dump(CurDAG));
>         DOUT << "\n";
> #endif
>       }
> @@ -1406,7 +1406,7 @@
>         ReplaceUses(N.getValue(1), Result);
> #ifndef NDEBUG
>         DOUT << std::string(Indent-2, ' ') << "=> ";
> -        DEBUG(Result.Val->dump(CurDAG));
> +        DEBUG(Result.getNode()->dump(CurDAG));
>         DOUT << "\n";
> #endif
>       }
> @@ -1538,7 +1538,7 @@
>         ReplaceUses(N.getValue(0), Result);
> #ifndef NDEBUG
>         DOUT << std::string(Indent-2, ' ') << "=> ";
> -        DEBUG(Result.Val->dump(CurDAG));
> +        DEBUG(Result.getNode()->dump(CurDAG));
>         DOUT << "\n";
> #endif
>       }
> @@ -1565,7 +1565,7 @@
>         ReplaceUses(N.getValue(1), Result);
> #ifndef NDEBUG
>         DOUT << std::string(Indent-2, ' ') << "=> ";
> -        DEBUG(Result.Val->dump(CurDAG));
> +        DEBUG(Result.getNode()->dump(CurDAG));
>         DOUT << "\n";
> #endif
>       }
> @@ -1599,7 +1599,7 @@
>
> #ifndef NDEBUG
>         DOUT << std::string(Indent-2, ' ') << "=> ";
> -        DEBUG(TruncOp.Val->dump(CurDAG));
> +        DEBUG(TruncOp.getNode()->dump(CurDAG));
>         DOUT << "\n";
>         DOUT << std::string(Indent-2, ' ') << "=> ";
>         DEBUG(ResNode->dump(CurDAG));
> @@ -1659,8 +1659,8 @@
>
> #ifndef NDEBUG
>   DOUT << std::string(Indent-2, ' ') << "=> ";
> -  if (ResNode == NULL || ResNode == N.Val)
> -    DEBUG(N.Val->dump(CurDAG));
> +  if (ResNode == NULL || ResNode == N.getNode())
> +    DEBUG(N.getNode()->dump(CurDAG));
>   else
>     DEBUG(ResNode->dump(CurDAG));
>   DOUT << "\n";
>
> Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Thu Aug 28  
> 16:40:38 2008
> @@ -852,7 +852,7 @@
>   unsigned CC = DAG.getMachineFunction().getFunction()- 
> >getCallingConv();
>   bool isVarArg = DAG.getMachineFunction().getFunction()->isVarArg();
>   CCState CCInfo(CC, isVarArg, getTargetMachine(), RVLocs);
> -  CCInfo.AnalyzeReturn(Op.Val, RetCC_X86);
> +  CCInfo.AnalyzeReturn(Op.getNode(), RetCC_X86);
>
>   // If this is the first return lowered for this function, add the  
> regs to the
>   // liveout set for the function.
> @@ -944,7 +944,7 @@
>   RetOps[0] = Chain;  // Update chain.
>
>   // Add the flag if we have it.
> -  if (Flag.Val)
> +  if (Flag.getNode())
>     RetOps.push_back(Flag);
>
>   return DAG.getNode(X86ISD::RET_FLAG, MVT::Other, &RetOps[0],  
> RetOps.size());
> @@ -1000,7 +1000,7 @@
>   // Merge everything together with a MERGE_VALUES node.
>   ResultVals.push_back(Chain);
>   return DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
> -                            ResultVals.size()).Val;
> +                            ResultVals.size()).getNode();
> }
>
>
> @@ -1038,7 +1038,7 @@
> /// ArgsAreStructReturn - Determines whether a FORMAL_ARGUMENTS node  
> uses struct
> /// return semantics.
> static bool ArgsAreStructReturn(SDValue Op) {
> -  unsigned NumArgs = Op.Val->getNumValues() - 1;
> +  unsigned NumArgs = Op.getNode()->getNumValues() - 1;
>   if (!NumArgs)
>     return false;
>
> @@ -1182,7 +1182,7 @@
>   // Assign locations to all of the incoming arguments.
>   SmallVector<CCValAssign, 16> ArgLocs;
>   CCState CCInfo(CC, isVarArg, getTargetMachine(), ArgLocs);
> -  CCInfo.AnalyzeFormalArguments(Op.Val, CCAssignFnForNode(Op));
> +  CCInfo.AnalyzeFormalArguments(Op.getNode(), CCAssignFnForNode(Op));
>
>   SmallVector<SDValue, 8> ArgValues;
>   unsigned LastVal = ~0U;
> @@ -1395,7 +1395,7 @@
>   FuncInfo->setBytesToPopOnReturn(BytesToPopOnReturn);
>
>   // Return the new list of results.
> -  return DAG.getMergeValues(Op.Val->getVTList(), &ArgValues[0],
> +  return DAG.getMergeValues(Op.getNode()->getVTList(), &ArgValues[0],
>                             ArgValues.size()).getValue(Op.getResNo());
> }
>
> @@ -1433,7 +1433,7 @@
>   OutRetAddr = getReturnAddressFrameIndex(DAG);
>   // Load the "old" Return address.
>   OutRetAddr = DAG.getLoad(VT, Chain,OutRetAddr, NULL, 0);
> -  return SDValue(OutRetAddr.Val, 1);
> +  return SDValue(OutRetAddr.getNode(), 1);
> }
>
> /// EmitTailCallStoreRetAddr - Emit a store of the return adress if  
> tail call
> @@ -1472,7 +1472,7 @@
>   // Analyze operands of the call, assigning locations to each  
> operand.
>   SmallVector<CCValAssign, 16> ArgLocs;
>   CCState CCInfo(CC, isVarArg, getTargetMachine(), ArgLocs);
> -  CCInfo.AnalyzeCallOperands(Op.Val, CCAssignFnForNode(Op));
> +  CCInfo.AnalyzeCallOperands(Op.getNode(), CCAssignFnForNode(Op));
>
>   // Get a count of how many bytes are to be pushed on the stack.
>   unsigned NumBytes = CCInfo.getNextStackOffset();
> @@ -1562,7 +1562,7 @@
>     } else {
>       if (!IsTailCall || (IsTailCall && isByVal)) {
>         assert(VA.isMemLoc());
> -        if (StackPtr.Val == 0)
> +        if (StackPtr.getNode() == 0)
>           StackPtr = DAG.getCopyFromReg(Chain, X86StackPtr,  
> getPointerTy());
>
>         MemOpChains.push_back(LowerMemOpCallTo(Op, DAG, StackPtr,  
> VA, Chain,
> @@ -1658,7 +1658,7 @@
>         if (Flags.isByVal()) {
>           // Copy relative to framepointer.
>           SDValue Source =  
> DAG.getIntPtrConstant(VA.getLocMemOffset());
> -          if (StackPtr.Val == 0)
> +          if (StackPtr.getNode() == 0)
>             StackPtr = DAG.getCopyFromReg(Chain, X86StackPtr,  
> getPointerTy());
>           Source = DAG.getNode(ISD::ADD, getPointerTy(), StackPtr,  
> Source);
>
> @@ -1719,7 +1719,7 @@
>     Ops.push_back(Chain);
>     Ops.push_back(DAG.getIntPtrConstant(NumBytes));
>     Ops.push_back(DAG.getIntPtrConstant(0));
> -    if (InFlag.Val)
> +    if (InFlag.getNode())
>       Ops.push_back(InFlag);
>     Chain = DAG.getNode(ISD::CALLSEQ_END, NodeTys, &Ops[0],  
> Ops.size());
>     InFlag = Chain.getValue(1);
> @@ -1751,16 +1751,16 @@
>   if (Is64Bit && isVarArg)
>     Ops.push_back(DAG.getRegister(X86::AL, MVT::i8));
>
> -  if (InFlag.Val)
> +  if (InFlag.getNode())
>     Ops.push_back(InFlag);
>
>   if (IsTailCall) {
> -    assert(InFlag.Val &&
> +    assert(InFlag.getNode() &&
>            "Flag must be set. Depend on flag being set in LowerRET");
>     Chain = DAG.getNode(X86ISD::TAILCALL,
> -                        Op.Val->getVTList(), &Ops[0], Ops.size());
> +                        Op.getNode()->getVTList(), &Ops[0],  
> Ops.size());
>
> -    return SDValue(Chain.Val, Op.getResNo());
> +    return SDValue(Chain.getNode(), Op.getResNo());
>   }
>
>   Chain = DAG.getNode(X86ISD::CALL, NodeTys, &Ops[0], Ops.size());
> @@ -1787,7 +1787,7 @@
>
>   // Handle result values, copying them out of physregs into vregs  
> that we
>   // return.
> -  return SDValue(LowerCallResult(Chain, InFlag, Op.Val, CC, DAG),  
> Op.getResNo());
> +  return SDValue(LowerCallResult(Chain, InFlag, Op.getNode(), CC,  
> DAG), Op.getResNo());
> }
>
>
> @@ -2457,7 +2457,7 @@
>     }
>   }
>
> -  if (!ElementBase.Val)
> +  if (!ElementBase.getNode())
>     return false;
>
>   for (; i != NumElems; ++i) {
> @@ -2661,7 +2661,7 @@
> /// required.
> static bool isScalarLoadToVector(SDNode *N, LoadSDNode **LD = NULL) {
>   if (N->getOpcode() == ISD::SCALAR_TO_VECTOR) {
> -    N = N->getOperand(0).Val;
> +    N = N->getOperand(0).getNode();
>     if (ISD::isNON_EXTLoad(N)) {
>       if (LD)
>         *LD = cast<LoadSDNode>(N);
> @@ -2758,18 +2758,18 @@
>
>     unsigned Idx = cast<ConstantSDNode>(Arg)->getValue();
>     if (Idx < NumElems) {
> -      unsigned Opc = V1.Val->getOpcode();
> -      if (Opc == ISD::UNDEF || ISD::isBuildVectorAllZeros(V1.Val))
> +      unsigned Opc = V1.getNode()->getOpcode();
> +      if (Opc == ISD::UNDEF ||  
> ISD::isBuildVectorAllZeros(V1.getNode()))
>         continue;
>       if (Opc != ISD::BUILD_VECTOR ||
> -          !isZeroNode(V1.Val->getOperand(Idx)))
> +          !isZeroNode(V1.getNode()->getOperand(Idx)))
>         return false;
>     } else if (Idx >= NumElems) {
> -      unsigned Opc = V2.Val->getOpcode();
> -      if (Opc == ISD::UNDEF || ISD::isBuildVectorAllZeros(V2.Val))
> +      unsigned Opc = V2.getNode()->getOpcode();
> +      if (Opc == ISD::UNDEF ||  
> ISD::isBuildVectorAllZeros(V2.getNode()))
>         continue;
>       if (Opc != ISD::BUILD_VECTOR ||
> -          !isZeroNode(V2.Val->getOperand(Idx - NumElems)))
> +          !isZeroNode(V2.getNode()->getOperand(Idx - NumElems)))
>         return false;
>     }
>   }
> @@ -2958,8 +2958,8 @@
>       ++NumZeros;
>       continue;
>     }
> -    SDValue Elt = DAG.getShuffleScalarElt(Op.Val, Index);
> -    if (Elt.Val && isZeroNode(Elt))
> +    SDValue Elt = DAG.getShuffleScalarElt(Op.getNode(), Index);
> +    if (Elt.getNode() && isZeroNode(Elt))
>       ++NumZeros;
>     else
>       break;
> @@ -3043,7 +3043,7 @@
>       } else
>         ThisElt = LastElt;
>
> -      if (ThisElt.Val)
> +      if (ThisElt.getNode())
>         V = DAG.getNode(ISD::INSERT_VECTOR_ELT, MVT::v8i16, V,  
> ThisElt,
>                         DAG.getIntPtrConstant(i/2));
>     }
> @@ -3097,14 +3097,14 @@
> SDValue
> X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) {
>   // All zero's are handled with pxor, all one's are handled with  
> pcmpeqd.
> -  if (ISD::isBuildVectorAllZeros(Op.Val) ||  
> ISD::isBuildVectorAllOnes(Op.Val)) {
> +  if (ISD::isBuildVectorAllZeros(Op.getNode()) ||  
> ISD::isBuildVectorAllOnes(Op.getNode())) {
>     // Canonicalize this to either <4 x i32> or <2 x i32> (SSE vs  
> MMX) to
>     // 1) ensure the zero vectors are CSE'd, and 2) ensure that i64  
> scalars are
>     // eliminated on x86-32 hosts.
>     if (Op.getValueType() == MVT::v4i32 || Op.getValueType() ==  
> MVT::v2i32)
>       return Op;
>
> -    if (ISD::isBuildVectorAllOnes(Op.Val))
> +    if (ISD::isBuildVectorAllOnes(Op.getNode()))
>       return getOnesVector(Op.getValueType(), DAG);
>     return getZeroVector(Op.getValueType(), Subtarget->hasSSE2(),  
> DAG);
>   }
> @@ -3252,13 +3252,13 @@
>   if (EVTBits == 8 && NumElems == 16) {
>     SDValue V = LowerBuildVectorv16i8(Op,  
> NonZeros,NumNonZero,NumZero, DAG,
>                                         *this);
> -    if (V.Val) return V;
> +    if (V.getNode()) return V;
>   }
>
>   if (EVTBits == 16 && NumElems == 8) {
>     SDValue V = LowerBuildVectorv8i16(Op,  
> NonZeros,NumNonZero,NumZero, DAG,
>                                         *this);
> -    if (V.Val) return V;
> +    if (V.getNode()) return V;
>   }
>
>   // If element VT is == 32 bits, turn it into a number of shuffles.
> @@ -3344,8 +3344,8 @@
>   MVT MaskVT = MVT::getIntVectorWithNumElements(8);
>   MVT MaskEVT = MaskVT.getVectorElementType();
>   MVT PtrVT = TLI.getPointerTy();
> -  SmallVector<SDValue, 8> MaskElts(PermMask.Val->op_begin(),
> -                                   PermMask.Val->op_end());
> +  SmallVector<SDValue, 8> MaskElts(PermMask.getNode()->op_begin(),
> +                                   PermMask.getNode()->op_end());
>
>   // First record which half of which vector the low elements come  
> from.
>   SmallVector<unsigned, 4> LowQuad(4);
> @@ -3653,7 +3653,7 @@
>                               const X86Subtarget *Subtarget) {
>   if (VT == MVT::v2f64 || VT == MVT::v4f32) {
>     LoadSDNode *LD = NULL;
> -    if (!isScalarLoadToVector(SrcOp.Val, &LD))
> +    if (!isScalarLoadToVector(SrcOp.getNode(), &LD))
>       LD = dyn_cast<LoadSDNode>(SrcOp);
>     if (!LD) {
>       // movssrr and movsdrr do not clear top bits. Try to use movd,  
> movq
> @@ -3850,18 +3850,18 @@
>   bool V1IsSplat = false;
>   bool V2IsSplat = false;
>
> -  if (isUndefShuffle(Op.Val))
> +  if (isUndefShuffle(Op.getNode()))
>     return DAG.getNode(ISD::UNDEF, VT);
>
> -  if (isZeroShuffle(Op.Val))
> +  if (isZeroShuffle(Op.getNode()))
>     return getZeroVector(VT, Subtarget->hasSSE2(), DAG);
>
> -  if (isIdentityMask(PermMask.Val))
> +  if (isIdentityMask(PermMask.getNode()))
>     return V1;
> -  else if (isIdentityMask(PermMask.Val, true))
> +  else if (isIdentityMask(PermMask.getNode(), true))
>     return V2;
>
> -  if (isSplatMask(PermMask.Val)) {
> +  if (isSplatMask(PermMask.getNode())) {
>     if (isMMX || NumElems < 4) return Op;
>     // Promote it to a v4{if}32 splat.
>     return PromoteSplat(Op, DAG, Subtarget->hasSSE2());
> @@ -3871,27 +3871,27 @@
>   // do it!
>   if (VT == MVT::v8i16 || VT == MVT::v16i8) {
>     SDValue NewOp= RewriteAsNarrowerShuffle(V1, V2, VT, PermMask,  
> DAG, *this);
> -    if (NewOp.Val)
> +    if (NewOp.getNode())
>       return DAG.getNode(ISD::BIT_CONVERT, VT,  
> LowerVECTOR_SHUFFLE(NewOp, DAG));
>   } else if ((VT == MVT::v4i32 || (VT == MVT::v4f32 && Subtarget- 
> >hasSSE2()))) {
>     // FIXME: Figure out a cleaner way to do this.
>     // Try to make use of movq to zero out the top part.
> -    if (ISD::isBuildVectorAllZeros(V2.Val)) {
> +    if (ISD::isBuildVectorAllZeros(V2.getNode())) {
>       SDValue NewOp = RewriteAsNarrowerShuffle(V1, V2, VT, PermMask,
>                                                  DAG, *this);
> -      if (NewOp.Val) {
> +      if (NewOp.getNode()) {
>         SDValue NewV1 = NewOp.getOperand(0);
>         SDValue NewV2 = NewOp.getOperand(1);
>         SDValue NewMask = NewOp.getOperand(2);
> -        if (isCommutedMOVL(NewMask.Val, true, false)) {
> +        if (isCommutedMOVL(NewMask.getNode(), true, false)) {
>           NewOp = CommuteVectorShuffle(NewOp, NewV1, NewV2, NewMask,  
> DAG);
>           return getVZextMovL(VT, NewOp.getValueType(), NewV2, DAG,  
> Subtarget);
>         }
>       }
> -    } else if (ISD::isBuildVectorAllZeros(V1.Val)) {
> +    } else if (ISD::isBuildVectorAllZeros(V1.getNode())) {
>       SDValue NewOp= RewriteAsNarrowerShuffle(V1, V2, VT, PermMask,
>                                                 DAG, *this);
> -      if (NewOp.Val && X86::isMOVLMask(NewOp.getOperand(2).Val))
> +      if (NewOp.getNode() &&  
> X86::isMOVLMask(NewOp.getOperand(2).getNode()))
>         return getVZextMovL(VT, NewOp.getValueType(),  
> NewOp.getOperand(1),
>                              DAG, Subtarget);
>     }
> @@ -3910,24 +3910,24 @@
>     return getVShift(isLeft, VT, ShVal, ShAmt, DAG, *this);
>   }
>
> -  if (X86::isMOVLMask(PermMask.Val)) {
> +  if (X86::isMOVLMask(PermMask.getNode())) {
>     if (V1IsUndef)
>       return V2;
> -    if (ISD::isBuildVectorAllZeros(V1.Val))
> +    if (ISD::isBuildVectorAllZeros(V1.getNode()))
>       return getVZextMovL(VT, VT, V2, DAG, Subtarget);
>     if (!isMMX)
>       return Op;
>   }
>
> -  if (!isMMX && (X86::isMOVSHDUPMask(PermMask.Val) ||
> -                 X86::isMOVSLDUPMask(PermMask.Val) ||
> -                 X86::isMOVHLPSMask(PermMask.Val) ||
> -                 X86::isMOVHPMask(PermMask.Val) ||
> -                 X86::isMOVLPMask(PermMask.Val)))
> +  if (!isMMX && (X86::isMOVSHDUPMask(PermMask.getNode()) ||
> +                 X86::isMOVSLDUPMask(PermMask.getNode()) ||
> +                 X86::isMOVHLPSMask(PermMask.getNode()) ||
> +                 X86::isMOVHPMask(PermMask.getNode()) ||
> +                 X86::isMOVLPMask(PermMask.getNode())))
>     return Op;
>
> -  if (ShouldXformToMOVHLPS(PermMask.Val) ||
> -      ShouldXformToMOVLP(V1.Val, V2.Val, PermMask.Val))
> +  if (ShouldXformToMOVHLPS(PermMask.getNode()) ||
> +      ShouldXformToMOVLP(V1.getNode(), V2.getNode(),  
> PermMask.getNode()))
>     return CommuteVectorShuffle(Op, V1, V2, PermMask, DAG);
>
>   if (isShift) {
> @@ -3940,8 +3940,8 @@
>   bool Commuted = false;
>   // FIXME: This should also accept a bitcast of a splat?  Be  
> careful, not
>   // 1,1,1,1 -> v8i16 though.
> -  V1IsSplat = isSplatVector(V1.Val);
> -  V2IsSplat = isSplatVector(V2.Val);
> +  V1IsSplat = isSplatVector(V1.getNode());
> +  V2IsSplat = isSplatVector(V2.getNode());
>
>   // Canonicalize the splat or undef, if present, to be on the RHS.
>   if ((V1IsSplat || V1IsUndef) && !(V2IsSplat || V2IsUndef)) {
> @@ -3952,7 +3952,7 @@
>   }
>
>   // FIXME: Figure out a cleaner way to do this.
> -  if (isCommutedMOVL(PermMask.Val, V2IsSplat, V2IsUndef)) {
> +  if (isCommutedMOVL(PermMask.getNode(), V2IsSplat, V2IsUndef)) {
>     if (V2IsUndef) return V1;
>     Op = CommuteVectorShuffle(Op, V1, V2, PermMask, DAG);
>     if (V2IsSplat) {
> @@ -3960,16 +3960,16 @@
>       // to any V2 element. The instruction selectior won't like  
> this. Get
>       // a corrected mask and commute to form a proper MOVS{S|D}.
>       SDValue NewMask = getMOVLMask(NumElems, DAG);
> -      if (NewMask.Val != PermMask.Val)
> +      if (NewMask.getNode() != PermMask.getNode())
>         Op = DAG.getNode(ISD::VECTOR_SHUFFLE, VT, V1, V2, NewMask);
>     }
>     return Op;
>   }
>
> -  if (X86::isUNPCKL_v_undef_Mask(PermMask.Val) ||
> -      X86::isUNPCKH_v_undef_Mask(PermMask.Val) ||
> -      X86::isUNPCKLMask(PermMask.Val) ||
> -      X86::isUNPCKHMask(PermMask.Val))
> +  if (X86::isUNPCKL_v_undef_Mask(PermMask.getNode()) ||
> +      X86::isUNPCKH_v_undef_Mask(PermMask.getNode()) ||
> +      X86::isUNPCKLMask(PermMask.getNode()) ||
> +      X86::isUNPCKHMask(PermMask.getNode()))
>     return Op;
>
>   if (V2IsSplat) {
> @@ -3977,11 +3977,11 @@
>     // element then try to match unpck{h|l} again. If match, return a
>     // new vector_shuffle with the corrected mask.
>     SDValue NewMask = NormalizeMask(PermMask, DAG);
> -    if (NewMask.Val != PermMask.Val) {
> -      if (X86::isUNPCKLMask(PermMask.Val, true)) {
> +    if (NewMask.getNode() != PermMask.getNode()) {
> +      if (X86::isUNPCKLMask(PermMask.getNode(), true)) {
>         SDValue NewMask = getUnpacklMask(NumElems, DAG);
>         return DAG.getNode(ISD::VECTOR_SHUFFLE, VT, V1, V2, NewMask);
> -      } else if (X86::isUNPCKHMask(PermMask.Val, true)) {
> +      } else if (X86::isUNPCKHMask(PermMask.getNode(), true)) {
>         SDValue NewMask = getUnpackhMask(NumElems, DAG);
>         return DAG.getNode(ISD::VECTOR_SHUFFLE, VT, V1, V2, NewMask);
>       }
> @@ -3989,23 +3989,23 @@
>   }
>
>   // Normalize the node to match x86 shuffle ops if needed
> -  if (V2.getOpcode() != ISD::UNDEF && isCommutedSHUFP(PermMask.Val))
> +  if (V2.getOpcode() != ISD::UNDEF &&  
> isCommutedSHUFP(PermMask.getNode()))
>       Op = CommuteVectorShuffle(Op, V1, V2, PermMask, DAG);
>
>   if (Commuted) {
>     // Commute is back and try unpck* again.
>     Op = CommuteVectorShuffle(Op, V1, V2, PermMask, DAG);
> -    if (X86::isUNPCKL_v_undef_Mask(PermMask.Val) ||
> -        X86::isUNPCKH_v_undef_Mask(PermMask.Val) ||
> -        X86::isUNPCKLMask(PermMask.Val) ||
> -        X86::isUNPCKHMask(PermMask.Val))
> +    if (X86::isUNPCKL_v_undef_Mask(PermMask.getNode()) ||
> +        X86::isUNPCKH_v_undef_Mask(PermMask.getNode()) ||
> +        X86::isUNPCKLMask(PermMask.getNode()) ||
> +        X86::isUNPCKHMask(PermMask.getNode()))
>       return Op;
>   }
>
>   // Try PSHUF* first, then SHUFP*.
>   // MMX doesn't have PSHUFD but it does have PSHUFW. While it's  
> theoretically
>   // possible to shuffle a v2i32 using PSHUFW, that's not yet  
> implemented.
> -  if (isMMX && NumElems == 4 && X86::isPSHUFDMask(PermMask.Val)) {
> +  if (isMMX && NumElems == 4 &&  
> X86::isPSHUFDMask(PermMask.getNode())) {
>     if (V2.getOpcode() != ISD::UNDEF)
>       return DAG.getNode(ISD::VECTOR_SHUFFLE, VT, V1,
>                          DAG.getNode(ISD::UNDEF, VT), PermMask);
> @@ -4014,9 +4014,9 @@
>
>   if (!isMMX) {
>     if (Subtarget->hasSSE2() &&
> -        (X86::isPSHUFDMask(PermMask.Val) ||
> -         X86::isPSHUFHWMask(PermMask.Val) ||
> -         X86::isPSHUFLWMask(PermMask.Val))) {
> +        (X86::isPSHUFDMask(PermMask.getNode()) ||
> +         X86::isPSHUFHWMask(PermMask.getNode()) ||
> +         X86::isPSHUFLWMask(PermMask.getNode()))) {
>       MVT RVT = VT;
>       if (VT == MVT::v4f32) {
>         RVT = MVT::v4i32;
> @@ -4032,15 +4032,15 @@
>     }
>
>     // Binary or unary shufps.
> -    if (X86::isSHUFPMask(PermMask.Val) ||
> -        (V2.getOpcode() == ISD::UNDEF &&  
> X86::isPSHUFDMask(PermMask.Val)))
> +    if (X86::isSHUFPMask(PermMask.getNode()) ||
> +        (V2.getOpcode() == ISD::UNDEF &&  
> X86::isPSHUFDMask(PermMask.getNode())))
>       return Op;
>   }
>
>   // Handle v8i16 specifically since SSE can do byte extraction and  
> insertion.
>   if (VT == MVT::v8i16) {
>     SDValue NewOp = LowerVECTOR_SHUFFLEv8i16(V1, V2, PermMask, DAG,  
> *this);
> -    if (NewOp.Val)
> +    if (NewOp.getNode())
>       return NewOp;
>   }
>
> @@ -4073,7 +4073,7 @@
>     // result has a single use which is a store or a bitcast to i32.
>     if (!Op.hasOneUse())
>       return SDValue();
> -    SDNode *User = *Op.Val->use_begin();
> +    SDNode *User = *Op.getNode()->use_begin();
>     if (User->getOpcode() != ISD::STORE &&
>         (User->getOpcode() != ISD::BIT_CONVERT ||
>          User->getValueType(0) != MVT::i32))
> @@ -4094,7 +4094,7 @@
>
>   if (Subtarget->hasSSE41()) {
>     SDValue Res = LowerEXTRACT_VECTOR_ELT_SSE4(Op, DAG);
> -    if (Res.Val)
> +    if (Res.getNode())
>       return Res;
>   }
>
> @@ -4599,7 +4599,7 @@
> SDValue X86TargetLowering::LowerFP_TO_SINT(SDValue Op, SelectionDAG  
> &DAG) {
>   std::pair<SDValue,SDValue> Vals = FP_TO_SINTHelper(Op, DAG);
>   SDValue FIST = Vals.first, StackSlot = Vals.second;
> -  if (FIST.Val == 0) return SDValue();
> +  if (FIST.getNode() == 0) return SDValue();
>
>   // Load the result.
>   return DAG.getLoad(Op.getValueType(), FIST, StackSlot, NULL, 0);
> @@ -4608,7 +4608,7 @@
> SDNode *X86TargetLowering::ExpandFP_TO_SINT(SDNode *N, SelectionDAG  
> &DAG) {
>   std::pair<SDValue,SDValue> Vals = FP_TO_SINTHelper(SDValue(N, 0),  
> DAG);
>   SDValue FIST = Vals.first, StackSlot = Vals.second;
> -  if (FIST.Val == 0) return 0;
> +  if (FIST.getNode() == 0) return 0;
>
>   MVT VT = N->getValueType(0);
>
> @@ -4618,7 +4618,7 @@
>   // Use MERGE_VALUES to drop the chain result value and get a node  
> with one
>   // result.  This requires turning off getMergeValues  
> simplification, since
>   // otherwise it will give us Res back.
> -  return DAG.getMergeValues(&Res, 1, false).Val;
> +  return DAG.getMergeValues(&Res, 1, false).getNode();
> }
>
> SDValue X86TargetLowering::LowerFABS(SDValue Op, SelectionDAG &DAG) {
> @@ -5258,7 +5258,7 @@
>       DAG.getNode(ISD::OR, MVT::i64, rax, Tmp), rdx.getValue(1)
>     };
>
> -    return DAG.getMergeValues(Ops, 2).Val;
> +    return DAG.getMergeValues(Ops, 2).getNode();
>   }
>
>   SDValue eax = DAG.getCopyFromReg(rd, X86::EAX, MVT::i32,  
> rd.getValue(1));
> @@ -5270,7 +5270,7 @@
>
>   // Use a MERGE_VALUES to return the value and chain.
>   Ops[1] = edx.getValue(1);
> -  return DAG.getMergeValues(Ops, 2).Val;
> +  return DAG.getMergeValues(Ops, 2).getNode();
> }
>
> SDValue X86TargetLowering::LowerVASTART(SDValue Op, SelectionDAG  
> &DAG) {
> @@ -5857,7 +5857,7 @@
>     if (Subtarget->is64Bit()) {
>       Reg = X86::RAX; size = 8;
>     } else //Should go away when LowerType stuff lands
> -      return SDValue(ExpandATOMIC_CMP_SWAP(Op.Val, DAG), 0);
> +      return SDValue(ExpandATOMIC_CMP_SWAP(Op.getNode(), DAG), 0);
>     break;
>   };
>   SDValue cpIn = DAG.getCopyToReg(Op.getOperand(0), Reg,
> @@ -5907,7 +5907,7 @@
>   SDValue OpsF[] = { cpOutL.getValue(0), cpOutH.getValue(0)};
>   SDValue ResultVal = DAG.getNode(ISD::BUILD_PAIR, MVT::i64, OpsF, 2);
>   SDValue Vals[2] = { ResultVal, cpOutH.getValue(1) };
> -  return DAG.getMergeValues(Vals, 2).Val;
> +  return DAG.getMergeValues(Vals, 2).getNode();
> }
>
> SDNode* X86TargetLowering::ExpandATOMIC_LOAD_SUB(SDNode* Op,  
> SelectionDAG &DAG) {
> @@ -5920,7 +5920,7 @@
>                         T==MVT::i64 ? ISD::ATOMIC_LOAD_ADD_64: 0),
>                        Op->getOperand(0), Op->getOperand(1), negOp,
>                        cast<AtomicSDNode>(Op)->getSrcValue(),
> -                       cast<AtomicSDNode>(Op)->getAlignment()).Val;
> +                       cast<AtomicSDNode>(Op)- 
> >getAlignment()).getNode();
> }
>
> /// LowerOperation - Provide custom lowering hooks for some  
> operations.
> @@ -5974,7 +5974,7 @@
>
>   // FIXME: REMOVE THIS WHEN LegalizeDAGTypes lands.
>   case ISD::READCYCLECOUNTER:
> -    return SDValue(ExpandREADCYCLECOUNTER(Op.Val, DAG), 0);
> +    return SDValue(ExpandREADCYCLECOUNTER(Op.getNode(), DAG), 0);
>   }
> }
>
> @@ -6135,15 +6135,15 @@
> X86TargetLowering::isShuffleMaskLegal(SDValue Mask, MVT VT) const {
>   // Only do shuffles on 128-bit vector types for now.
>   if (VT.getSizeInBits() == 64) return false;
> -  return (Mask.Val->getNumOperands() <= 4 ||
> -          isIdentityMask(Mask.Val) ||
> -          isIdentityMask(Mask.Val, true) ||
> -          isSplatMask(Mask.Val)  ||
> -          isPSHUFHW_PSHUFLWMask(Mask.Val) ||
> -          X86::isUNPCKLMask(Mask.Val) ||
> -          X86::isUNPCKHMask(Mask.Val) ||
> -          X86::isUNPCKL_v_undef_Mask(Mask.Val) ||
> -          X86::isUNPCKH_v_undef_Mask(Mask.Val));
> +  return (Mask.getNode()->getNumOperands() <= 4 ||
> +          isIdentityMask(Mask.getNode()) ||
> +          isIdentityMask(Mask.getNode(), true) ||
> +          isSplatMask(Mask.getNode())  ||
> +          isPSHUFHW_PSHUFLWMask(Mask.getNode()) ||
> +          X86::isUNPCKLMask(Mask.getNode()) ||
> +          X86::isUNPCKHMask(Mask.getNode()) ||
> +          X86::isUNPCKL_v_undef_Mask(Mask.getNode()) ||
> +          X86::isUNPCKH_v_undef_Mask(Mask.getNode()));
> }
>
> bool
> @@ -6695,11 +6695,11 @@
>     }
>
>     SDValue Elt = DAG.getShuffleScalarElt(N, i);
> -    if (!Elt.Val ||
> -        (Elt.getOpcode() != ISD::UNDEF && ! 
> ISD::isNON_EXTLoad(Elt.Val)))
> +    if (!Elt.getNode() ||
> +        (Elt.getOpcode() != ISD::UNDEF && ! 
> ISD::isNON_EXTLoad(Elt.getNode())))
>       return false;
>     if (!Base) {
> -      Base = Elt.Val;
> +      Base = Elt.getNode();
>       if (Base->getOpcode() == ISD::UNDEF)
>         return false;
>       continue;
> @@ -6707,7 +6707,7 @@
>     if (Elt.getOpcode() == ISD::UNDEF)
>       continue;
>
> -    if (!TLI.isConsecutiveLoad(Elt.Val, Base,
> +    if (!TLI.isConsecutiveLoad(Elt.getNode(), Base,
>                                EVT.getSizeInBits()/8, i, MFI))
>       return false;
>   }
> @@ -6731,7 +6731,7 @@
>     return SDValue();
>
>   LoadSDNode *LD = cast<LoadSDNode>(Base);
> -  if (isBaseAlignmentOfN(16, Base->getOperand(1).Val, TLI))
> +  if (isBaseAlignmentOfN(16, Base->getOperand(1).getNode(), TLI))
>     return DAG.getLoad(VT, LD->getChain(), LD->getBasePtr(), LD- 
> >getSrcValue(),
>                        LD->getSrcValueOffset(), LD->isVolatile());
>   return DAG.getLoad(VT, LD->getChain(), LD->getBasePtr(), LD- 
> >getSrcValue(),
> @@ -6762,11 +6762,11 @@
>     return SDValue();
>
>   // Value must be a load.
> -  SDNode *Base = N->getOperand(0).Val;
> +  SDNode *Base = N->getOperand(0).getNode();
>   if (!isa<LoadSDNode>(Base)) {
>     if (Base->getOpcode() != ISD::BIT_CONVERT)
>       return SDValue();
> -    Base = Base->getOperand(0).Val;
> +    Base = Base->getOperand(0).getNode();
>     if (!isa<LoadSDNode>(Base))
>       return SDValue();
>   }
> @@ -6866,11 +6866,11 @@
>       isa<LoadSDNode>(St->getValue()) &&
>       !cast<LoadSDNode>(St->getValue())->isVolatile() &&
>       St->getChain().hasOneUse() && !St->isVolatile()) {
> -    SDNode* LdVal = St->getValue().Val;
> +    SDNode* LdVal = St->getValue().getNode();
>     LoadSDNode *Ld = 0;
>     int TokenFactorIndex = -1;
>     SmallVector<SDValue, 8> Ops;
> -    SDNode* ChainVal = St->getChain().Val;
> +    SDNode* ChainVal = St->getChain().getNode();
>     // Must be a store of a load.  We currently handle two cases:   
> the load
>     // is a direct child, and it's under an intervening  
> TokenFactor.  It is
>     // possible to dig deeper under nested TokenFactors.
> @@ -6879,7 +6879,7 @@
>     else if (St->getValue().hasOneUse() &&
>              ChainVal->getOpcode() == ISD::TokenFactor) {
>       for (unsigned i=0, e = ChainVal->getNumOperands(); i != e; + 
> +i) {
> -        if (ChainVal->getOperand(i).Val == LdVal) {
> +        if (ChainVal->getOperand(i).getNode() == LdVal) {
>           TokenFactorIndex = i;
>           Ld = cast<LoadSDNode>(St->getValue());
>         } else
> @@ -7108,7 +7108,7 @@
>   }
>   }
>
> -  if (Result.Val) {
> +  if (Result.getNode()) {
>     Ops.push_back(Result);
>     return;
>   }
>
> Modified: llvm/trunk/utils/TableGen/DAGISelEmitter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/DAGISelEmitter.cpp?rev=55504&r1=55503&r2=55504&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/utils/TableGen/DAGISelEmitter.cpp (original)
> +++ llvm/trunk/utils/TableGen/DAGISelEmitter.cpp Thu Aug 28 16:40:38  
> 2008
> @@ -506,17 +506,17 @@
>
>           if (NeedCheck) {
>             std::string ParentName(RootName.begin(),  
> RootName.end()-1);
> -            emitCheck("CanBeFoldedBy(" + RootName + ".Val, " +  
> ParentName +
> -                      ".Val, N.Val)");
> +            emitCheck("CanBeFoldedBy(" + RootName + ".getNode(), "  
> + ParentName +
> +                      ".getNode(), N.getNode())");
>           }
>         }
>       }
>
>       if (NodeHasChain) {
>         if (FoundChain) {
> -          emitCheck("(" + ChainName + ".Val == " + RootName + ".Val  
> || "
> -                    "IsChainCompatible(" + ChainName + ".Val, " +
> -                    RootName + ".Val))");
> +          emitCheck("(" + ChainName + ".getNode() == " + RootName +  
> ".getNode() || "
> +                    "IsChainCompatible(" + ChainName + ".getNode(),  
> " +
> +                    RootName + ".getNode()))");
>           OrigChains.push_back(std::make_pair(ChainName, RootName));
>         } else
>           FoundChain = true;
> @@ -543,7 +543,7 @@
>
>     // If there is a node predicate for this, emit the call.
>     if (!N->getPredicateFn().empty())
> -      emitCheck(N->getPredicateFn() + "(" + RootName + ".Val)");
> +      emitCheck(N->getPredicateFn() + "(" + RootName +  
> ".getNode())");
>
>
>     // If this is an 'and R, 1234' where the operation is AND/OR and  
> the RHS is
> @@ -720,7 +720,7 @@
>         // If there is a node predicate for this, emit the call.
>         if (!Child->getPredicateFn().empty())
>           emitCheck(Child->getPredicateFn() + "(" + RootName +
> -                    ".Val)");
> +                    ".getNode())");
>       } else if (IntInit *II =
>                  dynamic_cast<IntInit*>(Child->getLeafValue())) {
>         emitCheck("isa<ConstantSDNode>(" + RootName + ")");
> @@ -951,8 +951,8 @@
>         // case, the TokenFactor can have more operands.
>         emitCode("SmallVector<SDValue, 8> InChains;");
>         for (unsigned i = 0, e = OrigChains.size(); i < e; ++i) {
> -          emitCode("if (" + OrigChains[i].first + ".Val != " +
> -                   OrigChains[i].second + ".Val) {");
> +          emitCode("if (" + OrigChains[i].first + ".getNode() != " +
> +                   OrigChains[i].second + ".getNode()) {");
>           emitCode("  AddToISelQueue(" + OrigChains[i].first + ");");
>           emitCode("  InChains.push_back(" + OrigChains[i].first +  
> ");");
>           emitCode("}");
> @@ -1164,7 +1164,7 @@
>         std::string Code;
>         for (unsigned j = 0, e = FoldedChains.size(); j < e; j++) {
>           ReplaceFroms.push_back("SDValue(" +
> -                                 FoldedChains[j].first + ".Val, " +
> +                                 FoldedChains[j].first +  
> ".getNode(), " +
>                                  utostr(FoldedChains[j].second) +
>                                  ")");
>           ReplaceTos.push_back("SDValue(ResNode, " +
> @@ -1174,12 +1174,12 @@
>
>       if (NodeHasOutFlag) {
>         if (FoldedFlag.first != "") {
> -          ReplaceFroms.push_back("SDValue(" + FoldedFlag.first +  
> ".Val, " +
> +          ReplaceFroms.push_back("SDValue(" + FoldedFlag.first +  
> ".getNode(), " +
>                                  utostr(FoldedFlag.second) + ")");
>           ReplaceTos.push_back("InFlag");
>         } else {
>           assert(NodeHasProperty(Pattern, SDNPOutFlag, CGP));
> -          ReplaceFroms.push_back("SDValue(N.Val, " +
> +          ReplaceFroms.push_back("SDValue(N.getNode(), " +
>                                  utostr(NumPatResults +  
> (unsigned)InputHasChain)
>                                  + ")");
>           ReplaceTos.push_back("InFlag");
> @@ -1187,9 +1187,9 @@
>       }
>
>       if (!ReplaceFroms.empty() && InputHasChain) {
> -        ReplaceFroms.push_back("SDValue(N.Val, " +
> +        ReplaceFroms.push_back("SDValue(N.getNode(), " +
>                                utostr(NumPatResults) + ")");
> -        ReplaceTos.push_back("SDValue(" + ChainName + ".Val, " +
> +        ReplaceTos.push_back("SDValue(" + ChainName + ".getNode(),  
> " +
>                              ChainName + ".getResNo()" + ")");
>         ChainAssignmentNeeded |= NodeHasChain;
>       }
> @@ -1200,12 +1200,12 @@
>       } else if (InputHasChain && !NodeHasChain) {
>         // One of the inner node produces a chain.
>         if (NodeHasOutFlag) {
> -          ReplaceFroms.push_back("SDValue(N.Val, " +
> +          ReplaceFroms.push_back("SDValue(N.getNode(), " +
>                                  utostr(NumPatResults+1) +
>                                  ")");
>           ReplaceTos.push_back("SDValue(ResNode, N.getResNo()-1)");
>         }
> -        ReplaceFroms.push_back("SDValue(N.Val, " +
> +        ReplaceFroms.push_back("SDValue(N.getNode(), " +
>                                utostr(NumPatResults) + ")");
>         ReplaceTos.push_back(ChainName);
>       }
> @@ -1216,7 +1216,7 @@
>         std::string ChainAssign;
>         if (!isRoot)
>           ChainAssign = ChainName + " = SDValue(" + NodeName +
> -                        ".Val, " + utostr(NumResults+NumDstRegs) +  
> ");";
> +                        ".getNode(), " + utostr(NumResults 
> +NumDstRegs) + ");";
>         else
>           ChainAssign = ChainName + " = SDValue(" + NodeName +
>                         ", " + utostr(NumResults+NumDstRegs) + ");";
> @@ -1251,7 +1251,7 @@
>       if (!isRoot || (InputHasChain && !NodeHasChain)) {
>         Code = "CurDAG->getTargetNode(" + Code;
>       } else {
> -        Code = "CurDAG->SelectNodeTo(N.Val, " + Code;
> +        Code = "CurDAG->SelectNodeTo(N.getNode(), " + Code;
>       }
>       if (isRoot) {
>         if (After.empty())
> @@ -1274,10 +1274,10 @@
>                        ResNodeDecled, true);
>       unsigned ResNo = TmpNo++;
>       emitCode("SDValue Tmp" + utostr(ResNo) + " = Transform_" + Op- 
> >getName()
> -               + "(" + Ops.back() + ".Val);");
> +               + "(" + Ops.back() + ".getNode());");
>       NodeOps.push_back("Tmp" + utostr(ResNo));
>       if (isRoot)
> -        emitCode("return Tmp" + utostr(ResNo) + ".Val;");
> +        emitCode("return Tmp" + utostr(ResNo) + ".getNode();");
>       return NodeOps;
>     } else {
>       N->dump();
> @@ -1298,7 +1298,7 @@
>       Pat->setTypes(Other->getExtTypes());
>       // The top level node type is checked outside of the select  
> function.
>       if (!isRoot)
> -        emitCheck(Prefix + ".Val->getValueType(0) == " +
> +        emitCheck(Prefix + ".getNode()->getValueType(0) == " +
>                   getName(Pat->getTypeNum(0)));
>       return true;
>     }
> @@ -1360,7 +1360,7 @@
>               std::string Decl = (!ResNodeDecled) ? "SDNode *" : "";
>               emitCode(Decl + "ResNode = CurDAG->getCopyToReg(" +  
> ChainName +
>                        ", " + getQualifiedName(RR) +
> -                       ", " +  RootName + utostr(OpNo) + ",  
> InFlag).Val;");
> +                       ", " +  RootName + utostr(OpNo) + ",  
> InFlag).getNode();");
>               ResNodeDecled = true;
>               emitCode(ChainName + " = SDValue(ResNode, 0);");
>               emitCode("InFlag = SDValue(ResNode, 1);");
> @@ -1836,7 +1836,7 @@
>         if (OpName != "ISD::INTRINSIC_W_CHAIN" &&
>             OpName != "ISD::INTRINSIC_WO_CHAIN" &&
>             OpName != "ISD::INTRINSIC_VOID") {
> -          OS << "  N.Val->dump(CurDAG);\n";
> +          OS << "  N.getNode()->dump(CurDAG);\n";
>         } else {
>           OS << "  unsigned iid = cast<ConstantSDNode>(N.getOperand("
>             "N.getOperand(0).getValueType() == MVT::Other))- 
> >getValue();\n"
> @@ -1853,7 +1853,7 @@
>
>   // Emit boilerplate.
>   OS << "SDNode *Select_INLINEASM(SDValue N) {\n"
> -     << "  std::vector<SDValue> Ops(N.Val->op_begin(), N.Val- 
> >op_end());\n"
> +     << "  std::vector<SDValue> Ops(N.getNode()->op_begin(),  
> N.getNode()->op_end());\n"
>      << "  SelectInlineAsmMemoryOperands(Ops);\n\n"
>
>      << "  // Ensure that the asm operands are themselves selected.\n"
> @@ -1865,11 +1865,11 @@
>      << "  VTs.push_back(MVT::Flag);\n"
>      << "  SDValue New = CurDAG->getNode(ISD::INLINEASM, VTs,  
> &Ops[0], "
>                  "Ops.size());\n"
> -     << "  return New.Val;\n"
> +     << "  return New.getNode();\n"
>      << "}\n\n";
>
>   OS << "SDNode *Select_UNDEF(const SDValue &N) {\n"
> -     << "  return CurDAG->SelectNodeTo(N.Val,  
> TargetInstrInfo::IMPLICIT_DEF,\n"
> +     << "  return CurDAG->SelectNodeTo(N.getNode(),  
> TargetInstrInfo::IMPLICIT_DEF,\n"
>      << "                              N.getValueType());\n"
>      << "}\n\n";
>
> @@ -1878,7 +1878,7 @@
>      << "  unsigned C = cast<LabelSDNode>(N)->getLabelID();\n"
>      << "  SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
>      << "  AddToISelQueue(Chain);\n"
> -     << "  return CurDAG->SelectNodeTo(N.Val,  
> TargetInstrInfo::DBG_LABEL,\n"
> +     << "  return CurDAG->SelectNodeTo(N.getNode(),  
> TargetInstrInfo::DBG_LABEL,\n"
>      << "                              MVT::Other, Tmp, Chain);\n"
>      << "}\n\n";
>
> @@ -1887,7 +1887,7 @@
>      << "  unsigned C = cast<LabelSDNode>(N)->getLabelID();\n"
>      << "  SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
>      << "  AddToISelQueue(Chain);\n"
> -     << "  return CurDAG->SelectNodeTo(N.Val,  
> TargetInstrInfo::EH_LABEL,\n"
> +     << "  return CurDAG->SelectNodeTo(N.getNode(),  
> TargetInstrInfo::EH_LABEL,\n"
>      << "                              MVT::Other, Tmp, Chain);\n"
>      << "}\n\n";
>
> @@ -1897,7 +1897,7 @@
>      << "  SDValue N2 = N.getOperand(2);\n"
>      << "  if (!isa<FrameIndexSDNode>(N1) || ! 
> isa<GlobalAddressSDNode>(N2)) {\n"
>      << "    cerr << \"Cannot yet select llvm.dbg.declare: \";\n"
> -     << "    N.Val->dump(CurDAG);\n"
> +     << "    N.getNode()->dump(CurDAG);\n"
>      << "    abort();\n"
>      << "  }\n"
>      << "  int FI = cast<FrameIndexSDNode>(N1)->getIndex();\n"
> @@ -1907,7 +1907,7 @@
>      << "  SDValue Tmp2 = "
>      << "CurDAG->getTargetGlobalAddress(GV, TLI.getPointerTy());\n"
>      << "  AddToISelQueue(Chain);\n"
> -     << "  return CurDAG->SelectNodeTo(N.Val,  
> TargetInstrInfo::DECLARE,\n"
> +     << "  return CurDAG->SelectNodeTo(N.getNode(),  
> TargetInstrInfo::DECLARE,\n"
>      << "                              MVT::Other, Tmp1, Tmp2,  
> Chain);\n"
>      << "}\n\n";
>
> @@ -1917,7 +1917,7 @@
>      << "  unsigned C = cast<ConstantSDNode>(N1)->getValue();\n"
>      << "  SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
>      << "  AddToISelQueue(N0);\n"
> -     << "  return CurDAG->SelectNodeTo(N.Val,  
> TargetInstrInfo::EXTRACT_SUBREG,\n"
> +     << "  return CurDAG->SelectNodeTo(N.getNode(),  
> TargetInstrInfo::EXTRACT_SUBREG,\n"
>      << "                              N.getValueType(), N0, Tmp);\n"
>      << "}\n\n";
>
> @@ -1929,7 +1929,7 @@
>      << "  SDValue Tmp = CurDAG->getTargetConstant(C, MVT::i32);\n"
>      << "  AddToISelQueue(N1);\n"
>      << "  AddToISelQueue(N0);\n"
> -     << "  return CurDAG->SelectNodeTo(N.Val,  
> TargetInstrInfo::INSERT_SUBREG,\n"
> +     << "  return CurDAG->SelectNodeTo(N.getNode(),  
> TargetInstrInfo::INSERT_SUBREG,\n"
>      << "                              N.getValueType(), N0, N1,  
> Tmp);\n"
>      << "}\n\n";
>
> @@ -1938,7 +1938,7 @@
>      << "  if (N.isMachineOpcode()) {\n"
>      << "    return NULL;   // Already selected.\n"
>      << "  }\n\n"
> -     << "  MVT::SimpleValueType NVT = N.Val- 
> >getValueType(0).getSimpleVT();\n"
> +     << "  MVT::SimpleValueType NVT = N.getNode()- 
> >getValueType(0).getSimpleVT();\n"
>      << "  switch (N.getOpcode()) {\n"
>      << "  default: break;\n"
>      << "  case ISD::EntryToken:       // These leaves remain the  
> same.\n"
> @@ -2033,7 +2033,7 @@
>      << "  if (N.getOpcode() != ISD::INTRINSIC_W_CHAIN &&\n"
>      << "      N.getOpcode() != ISD::INTRINSIC_WO_CHAIN &&\n"
>      << "      N.getOpcode() != ISD::INTRINSIC_VOID) {\n"
> -     << "    N.Val->dump(CurDAG);\n"
> +     << "    N.getNode()->dump(CurDAG);\n"
>      << "  } else {\n"
>      << "    unsigned iid = cast<ConstantSDNode>(N.getOperand("
>                "N.getOperand(0).getValueType() == MVT::Other))- 
> >getValue();\n"
>
>
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