diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index d79dc7a..ac137e2 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4021,7 +4021,7 @@
   
   // fold (fp_round_inreg c1fp) -> c1fp
   if (N0CFP) {
-    SDValue Round = DAG.getConstantFP(N0CFP->getValueAPF(), EVT);
+    SDValue Round = DAG.getConstantFP(*N0CFP->getConstantFPValue(), EVT);
     return DAG.getNode(ISD::FP_EXTEND, VT, Round);
   }
   return SDValue();
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 8bf1c16..ba78b81 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -442,7 +442,7 @@
   // an FP extending load is the same cost as a normal load (such as on the x87
   // fp stack or PPC FP unit).
   MVT VT = CFP->getValueType(0);
-  ConstantFP *LLVMC = ConstantFP::get(CFP->getValueAPF());
+  ConstantFP *LLVMC = const_cast<ConstantFP*>(CFP->getConstantFPValue());
   if (!UseCP) {
     if (VT!=MVT::f64 && VT!=MVT::f32)
       assert(0 && "Invalid type expansion");
@@ -4984,10 +4984,10 @@
     for (unsigned i = 0, e = NumElems; i != e; ++i) {
       if (ConstantFPSDNode *V = 
           dyn_cast<ConstantFPSDNode>(Node->getOperand(i))) {
-        CV.push_back(ConstantFP::get(V->getValueAPF()));
+        CV.push_back(const_cast<ConstantFP *>(V->getConstantFPValue()));
       } else if (ConstantSDNode *V = 
                    dyn_cast<ConstantSDNode>(Node->getOperand(i))) {
-        CV.push_back(ConstantInt::get(V->getAPIntValue()));
+        CV.push_back(const_cast<ConstantInt *>(V->getConstantIntValue()));
       } else {
         assert(Node->getOperand(i).getOpcode() == ISD::UNDEF);
         const Type *OpNTy = 
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp
index ffe5c5c..156905a 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp
@@ -256,7 +256,7 @@
   } else if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
     MI->addOperand(MachineOperand::CreateImm(C->getZExtValue()));
   } else if (ConstantFPSDNode *F = dyn_cast<ConstantFPSDNode>(Op)) {
-    ConstantFP *CFP = ConstantFP::get(F->getValueAPF());
+    const ConstantFP *CFP = F->getConstantFPValue();
     MI->addOperand(MachineOperand::CreateFPImm(CFP));
   } else if (RegisterSDNode *R = dyn_cast<RegisterSDNode>(Op)) {
     MI->addOperand(MachineOperand::CreateReg(R->getReg(), false));
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 4c27004..6ebd514 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -69,7 +69,7 @@
 /// As such, this method can be used to do an exact bit-for-bit comparison of
 /// two floating point values.
 bool ConstantFPSDNode::isExactlyValue(const APFloat& V) const {
-  return Value.bitwiseIsEqual(V);
+  return getValueAPF().bitwiseIsEqual(V);
 }
 
 bool ConstantFPSDNode::isValueValidForType(MVT VT,
@@ -367,11 +367,11 @@
     break;
   case ISD::TargetConstant:
   case ISD::Constant:
-    ID.Add(cast<ConstantSDNode>(N)->getAPIntValue());
+    ID.AddPointer(cast<ConstantSDNode>(N)->getConstantIntValue());
     break;
   case ISD::TargetConstantFP:
   case ISD::ConstantFP: {
-    ID.Add(cast<ConstantFPSDNode>(N)->getValueAPF());
+    ID.AddPointer(cast<ConstantFPSDNode>(N)->getConstantFPValue());
     break;
   }
   case ISD::TargetGlobalAddress:
@@ -861,6 +861,10 @@
 }
 
 SDValue SelectionDAG::getConstant(const APInt &Val, MVT VT, bool isT) {
+  return getConstant(*ConstantInt::get(Val), VT, isT);
+}
+
+SDValue SelectionDAG::getConstant(const ConstantInt &Val, MVT VT, bool isT) {
   assert(VT.isInteger() && "Cannot create FP integer constant!");
 
   MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
@@ -870,7 +874,7 @@
   unsigned Opc = isT ? ISD::TargetConstant : ISD::Constant;
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);
-  ID.Add(Val);
+  ID.AddPointer(&Val);
   void *IP = 0;
   SDNode *N = NULL;
   if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
@@ -878,7 +882,7 @@
       return SDValue(N, 0);
   if (!N) {
     N = NodeAllocator.Allocate<ConstantSDNode>();
-    new (N) ConstantSDNode(isT, Val, EltVT);
+    new (N) ConstantSDNode(isT, &Val, EltVT);
     CSEMap.InsertNode(N, IP);
     AllNodes.push_back(N);
   }
@@ -898,6 +902,10 @@
 
 
 SDValue SelectionDAG::getConstantFP(const APFloat& V, MVT VT, bool isTarget) {
+  return getConstantFP(*ConstantFP::get(V), VT, isTarget);
+}
+
+SDValue SelectionDAG::getConstantFP(const ConstantFP& V, MVT VT, bool isTarget){
   assert(VT.isFloatingPoint() && "Cannot create integer FP constant!");
                                 
   MVT EltVT =
@@ -909,7 +917,7 @@
   unsigned Opc = isTarget ? ISD::TargetConstantFP : ISD::ConstantFP;
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);
-  ID.Add(V);
+  ID.AddPointer(&V);
   void *IP = 0;
   SDNode *N = NULL;
   if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
@@ -917,7 +925,7 @@
       return SDValue(N, 0);
   if (!N) {
     N = NodeAllocator.Allocate<ConstantFPSDNode>();
-    new (N) ConstantFPSDNode(isTarget, V, EltVT);
+    new (N) ConstantFPSDNode(isTarget, &V, EltVT);
     CSEMap.InsertNode(N, IP);
     AllNodes.push_back(N);
   }
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 51f7a75..a95a50b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -794,7 +794,7 @@
     MVT VT = TLI.getValueType(V->getType(), true);
     
     if (ConstantInt *CI = dyn_cast<ConstantInt>(C))
-      return N = DAG.getConstant(CI->getValue(), VT);
+      return N = DAG.getConstant(*CI, VT);
 
     if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
       return N = DAG.getGlobalAddress(GV, VT);
@@ -803,7 +803,7 @@
       return N = DAG.getConstant(0, TLI.getPointerTy());
     
     if (ConstantFP *CFP = dyn_cast<ConstantFP>(C))
-      return N = DAG.getConstantFP(CFP->getValueAPF(), VT);
+      return N = DAG.getConstantFP(*CFP, VT);
     
     if (isa<UndefValue>(C) && !isa<VectorType>(V->getType()) &&
         !V->getType()->isAggregateType())