diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -870,7 +870,7 @@
 
   /// Returns sum of the base pointer and offset.
   /// Unlike getObjectPtrOffset this does not set NoUnsignedWrap by default.
-  SDValue getMemBasePlusOffset(SDValue Base, int64_t Offset, const SDLoc &DL,
+  SDValue getMemBasePlusOffset(SDValue Base, TypeSize Offset, const SDLoc &DL,
                                const SDNodeFlags Flags = SDNodeFlags());
   SDValue getMemBasePlusOffset(SDValue Base, SDValue Offset, const SDLoc &DL,
                                const SDNodeFlags Flags = SDNodeFlags());
@@ -878,7 +878,7 @@
   /// Create an add instruction with appropriate flags when used for
   /// addressing some offset of an object. i.e. if a load is split into multiple
   /// components, create an add nuw from the base pointer to the offset.
-  SDValue getObjectPtrOffset(const SDLoc &SL, SDValue Ptr, int64_t Offset) {
+  SDValue getObjectPtrOffset(const SDLoc &SL, SDValue Ptr, TypeSize Offset) {
     SDNodeFlags Flags;
     Flags.setNoUnsignedWrap(true);
     return getMemBasePlusOffset(Ptr, Offset, SL, Flags);
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -8560,8 +8560,8 @@
                                      RHS->getAddressSpace(), NewAlign,
                                      RHS->getMemOperand()->getFlags(), &Fast) &&
               Fast) {
-            SDValue NewPtr =
-                DAG.getMemBasePlusOffset(RHS->getBasePtr(), PtrOff, DL);
+            SDValue NewPtr = DAG.getMemBasePlusOffset(
+                RHS->getBasePtr(), TypeSize::Fixed(PtrOff), DL);
             AddToWorklist(NewPtr.getNode());
             SDValue Load = DAG.getLoad(
                 VT, DL, RHS->getChain(), NewPtr,
@@ -9733,7 +9733,7 @@
         LN0->getPointerInfo().getWithOffset(Offset), SplitSrcVT, Align,
         LN0->getMemOperand()->getFlags(), LN0->getAAInfo());
 
-    BasePtr = DAG.getMemBasePlusOffset(BasePtr, Stride, DL);
+    BasePtr = DAG.getMemBasePlusOffset(BasePtr, TypeSize::Fixed(Stride), DL);
 
     Loads.push_back(SplitLoad.getValue(0));
     Chains.push_back(SplitLoad.getValue(1));
@@ -10954,8 +10954,8 @@
   // The original load itself didn't wrap, so an offset within it doesn't.
   SDNodeFlags Flags;
   Flags.setNoUnsignedWrap(true);
-  SDValue NewPtr =
-      DAG.getMemBasePlusOffset(LN0->getBasePtr(), PtrOff, DL, Flags);
+  SDValue NewPtr = DAG.getMemBasePlusOffset(LN0->getBasePtr(),
+                                            TypeSize::Fixed(PtrOff), DL, Flags);
   AddToWorklist(NewPtr.getNode());
 
   SDValue Load;
@@ -15642,7 +15642,7 @@
   SDValue Ptr = St->getBasePtr();
   if (StOffset) {
     SDLoc DL(IVal);
-    Ptr = DAG.getMemBasePlusOffset(Ptr, StOffset, DL);
+    Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(StOffset), DL);
     NewAlign = MinAlign(NewAlign, StOffset);
   }
 
@@ -15756,7 +15756,8 @@
       if (NewAlign < DAG.getDataLayout().getABITypeAlign(NewVTTy))
         return SDValue();
 
-      SDValue NewPtr = DAG.getMemBasePlusOffset(Ptr, PtrOff, SDLoc(LD));
+      SDValue NewPtr =
+          DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(PtrOff), SDLoc(LD));
       SDValue NewLD =
           DAG.getLoad(NewVT, SDLoc(N0), LD->getChain(), NewPtr,
                       LD->getPointerInfo().getWithOffset(PtrOff), NewAlign,
@@ -17002,7 +17003,7 @@
 
       SDValue St0 = DAG.getStore(Chain, DL, Lo, Ptr, ST->getPointerInfo(),
                                  ST->getAlignment(), MMOFlags, AAInfo);
-      Ptr = DAG.getMemBasePlusOffset(Ptr, 4, DL);
+      Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(4), DL);
       Alignment = MinAlign(Alignment, 4U);
       SDValue St1 = DAG.getStore(Chain, DL, Hi, Ptr,
                                  ST->getPointerInfo().getWithOffset(4),
@@ -17353,7 +17354,7 @@
   // Lower value store.
   SDValue St0 = DAG.getStore(Chain, DL, Lo, Ptr, ST->getPointerInfo(),
                              ST->getAlignment(), MMOFlags, AAInfo);
-  Ptr = DAG.getMemBasePlusOffset(Ptr, HalfValBitSize / 8, DL);
+  Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(HalfValBitSize / 8), DL);
   // Higher value store.
   SDValue St1 =
       DAG.getStore(St0, DL, Hi, Ptr,
@@ -19361,7 +19362,8 @@
   SDValue BaseAddr = Ld->getBasePtr();
 
   // TODO: Use "BaseIndexOffset" to make this more effective.
-  SDValue NewAddr = DAG.getMemBasePlusOffset(BaseAddr, Offset, DL);
+  SDValue NewAddr =
+      DAG.getMemBasePlusOffset(BaseAddr, TypeSize::Fixed(Offset), DL);
   MachineFunction &MF = DAG.getMachineFunction();
   MachineMemOperand *MMO = MF.getMachineMemOperand(Ld->getMemOperand(), Offset,
                                                    VT.getStoreSize());
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -470,7 +470,7 @@
 
         Lo = DAG.getStore(Chain, dl, Lo, Ptr, ST->getPointerInfo(),
                           ST->getOriginalAlign(), MMOFlags, AAInfo);
-        Ptr = DAG.getMemBasePlusOffset(Ptr, 4, dl);
+        Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(4), dl);
         Hi = DAG.getStore(Chain, dl, Hi, Ptr,
                           ST->getPointerInfo().getWithOffset(4),
                           ST->getOriginalAlign(), MMOFlags, AAInfo);
@@ -578,7 +578,7 @@
 
       // Store the remaining ExtraWidth bits.
       IncrementSize = RoundWidth / 8;
-      Ptr = DAG.getMemBasePlusOffset(Ptr, IncrementSize, dl);
+      Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(IncrementSize), dl);
       Hi = DAG.getNode(
           ISD::SRL, dl, Value.getValueType(), Value,
           DAG.getConstant(RoundWidth, dl,
@@ -790,7 +790,7 @@
 
       // Load the remaining ExtraWidth bits.
       IncrementSize = RoundWidth / 8;
-      Ptr = DAG.getMemBasePlusOffset(Ptr, IncrementSize, dl);
+      Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(IncrementSize), dl);
       Hi = DAG.getExtLoad(ExtType, dl, Node->getValueType(0), Chain, Ptr,
                           LD->getPointerInfo().getWithOffset(IncrementSize),
                           ExtraVT, LD->getOriginalAlign(), MMOFlags, AAInfo);
@@ -818,7 +818,7 @@
 
       // Load the remaining ExtraWidth bits.
       IncrementSize = RoundWidth / 8;
-      Ptr = DAG.getMemBasePlusOffset(Ptr, IncrementSize, dl);
+      Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(IncrementSize), dl);
       Lo = DAG.getExtLoad(ISD::ZEXTLOAD, dl, Node->getValueType(0), Chain, Ptr,
                           LD->getPointerInfo().getWithOffset(IncrementSize),
                           ExtraVT, LD->getOriginalAlign(), MMOFlags, AAInfo);
@@ -1426,7 +1426,7 @@
 
     unsigned Offset = TypeByteSize*i;
 
-    SDValue Idx = DAG.getMemBasePlusOffset(FIPtr, Offset, dl);
+    SDValue Idx = DAG.getMemBasePlusOffset(FIPtr, TypeSize::Fixed(Offset), dl);
 
     if (Truncate)
       Stores.push_back(DAG.getTruncStore(DAG.getEntryNode(), dl,
@@ -1487,7 +1487,8 @@
   } else {
     // Advance the pointer so that the loaded byte will contain the sign bit.
     unsigned ByteOffset = (FloatVT.getSizeInBits() / 8) - 1;
-    IntPtr = DAG.getMemBasePlusOffset(StackPtr, ByteOffset, DL);
+    IntPtr =
+        DAG.getMemBasePlusOffset(StackPtr, TypeSize::Fixed(ByteOffset), DL);
     State.IntPointerInfo = MachinePointerInfo::getFixedStack(MF, FI,
                                                              ByteOffset);
   }
@@ -2394,7 +2395,7 @@
     SDValue Store1 = DAG.getStore(MemChain, dl, Lo, StackSlot,
                                   MachinePointerInfo());
     // Store the hi of the constructed double.
-    SDValue HiPtr = DAG.getMemBasePlusOffset(StackSlot, 4, dl);
+    SDValue HiPtr = DAG.getMemBasePlusOffset(StackSlot, TypeSize::Fixed(4), dl);
     SDValue Store2 =
         DAG.getStore(MemChain, dl, Hi, HiPtr, MachinePointerInfo());
     MemChain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Store1, Store2);
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -2998,7 +2998,7 @@
 
     // Increment the pointer to the other half.
     unsigned IncrementSize = NVT.getSizeInBits()/8;
-    Ptr = DAG.getMemBasePlusOffset(Ptr, IncrementSize, dl);
+    Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(IncrementSize), dl);
     Hi = DAG.getExtLoad(ExtType, dl, NVT, Ch, Ptr,
                         N->getPointerInfo().getWithOffset(IncrementSize), NEVT,
                         N->getOriginalAlign(), MMOFlags, AAInfo);
@@ -3022,7 +3022,7 @@
                         N->getOriginalAlign(), MMOFlags, AAInfo);
 
     // Increment the pointer to the other half.
-    Ptr = DAG.getMemBasePlusOffset(Ptr, IncrementSize, dl);
+    Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(IncrementSize), dl);
     // Load the rest of the low bits.
     Lo = DAG.getExtLoad(ISD::ZEXTLOAD, dl, NVT, Ch, Ptr,
                         N->getPointerInfo().getWithOffset(IncrementSize),
@@ -4267,7 +4267,7 @@
 
     // Increment the pointer to the other half.
     unsigned IncrementSize = NVT.getSizeInBits()/8;
-    Ptr = DAG.getObjectPtrOffset(dl, Ptr, IncrementSize);
+    Ptr = DAG.getObjectPtrOffset(dl, Ptr, TypeSize::Fixed(IncrementSize));
     Hi = DAG.getTruncStore(Ch, dl, Hi, Ptr,
                            N->getPointerInfo().getWithOffset(IncrementSize),
                            NEVT, N->getOriginalAlign(), MMOFlags, AAInfo);
@@ -4302,7 +4302,7 @@
                          N->getOriginalAlign(), MMOFlags, AAInfo);
 
   // Increment the pointer to the other half.
-  Ptr = DAG.getObjectPtrOffset(dl, Ptr, IncrementSize);
+  Ptr = DAG.getObjectPtrOffset(dl, Ptr, TypeSize::Fixed(IncrementSize));
   // Store the lowest ExcessBits bits in the second half.
   Lo = DAG.getTruncStore(Ch, dl, Lo, Ptr,
                          N->getPointerInfo().getWithOffset(IncrementSize),
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
@@ -175,7 +175,8 @@
 
   // Increment the pointer to the other half.
   unsigned IncrementSize = NOutVT.getSizeInBits() / 8;
-  StackPtr = DAG.getMemBasePlusOffset(StackPtr, IncrementSize, dl);
+  StackPtr =
+      DAG.getMemBasePlusOffset(StackPtr, TypeSize::Fixed(IncrementSize), dl);
 
   // Load the second half from the stack slot.
   Hi = DAG.getLoad(NOutVT, dl, Store, StackPtr,
@@ -266,7 +267,7 @@
 
   // Increment the pointer to the other half.
   unsigned IncrementSize = NVT.getSizeInBits() / 8;
-  Ptr = DAG.getMemBasePlusOffset(Ptr, IncrementSize, dl);
+  Ptr = DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(IncrementSize), dl);
   Hi = DAG.getLoad(
       NVT, dl, Chain, Ptr, LD->getPointerInfo().getWithOffset(IncrementSize),
       LD->getOriginalAlign(), LD->getMemOperand()->getFlags(), AAInfo);
@@ -481,7 +482,7 @@
                     St->getOriginalAlign(), St->getMemOperand()->getFlags(),
                     AAInfo);
 
-  Ptr = DAG.getObjectPtrOffset(dl, Ptr, IncrementSize);
+  Ptr = DAG.getObjectPtrOffset(dl, Ptr, TypeSize::Fixed(IncrementSize));
   Hi = DAG.getStore(
       Chain, dl, Hi, Ptr, St->getPointerInfo().getWithOffset(IncrementSize),
       St->getOriginalAlign(), St->getMemOperand()->getFlags(), AAInfo);
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -998,7 +998,7 @@
   } else {
     MPI = N->getPointerInfo().getWithOffset(IncrementSize);
     // Increment the pointer to the other half.
-    Ptr = DAG.getObjectPtrOffset(DL, Ptr, IncrementSize);
+    Ptr = DAG.getObjectPtrOffset(DL, Ptr, TypeSize::Fixed(IncrementSize));
   }
 }
 
@@ -1207,7 +1207,8 @@
 
   // Increment the pointer to the other part.
   unsigned IncrementSize = Lo.getValueSizeInBits() / 8;
-  StackPtr = DAG.getMemBasePlusOffset(StackPtr, IncrementSize, dl);
+  StackPtr =
+      DAG.getMemBasePlusOffset(StackPtr, TypeSize::Fixed(IncrementSize), dl);
 
   // Load the Hi part from the stack slot.
   Hi = DAG.getLoad(Hi.getValueType(), dl, Store, StackPtr,
@@ -1510,7 +1511,8 @@
 
   // Increment the pointer to the other part.
   unsigned IncrementSize = LoVT.getSizeInBits() / 8;
-  StackPtr = DAG.getMemBasePlusOffset(StackPtr, IncrementSize, dl);
+  StackPtr =
+      DAG.getMemBasePlusOffset(StackPtr, TypeSize::Fixed(IncrementSize), dl);
 
   // Load the Hi part from the stack slot.
   Hi = DAG.getLoad(HiVT, dl, Store, StackPtr,
@@ -4990,7 +4992,7 @@
   while (LdWidth > 0) {
     unsigned Increment = NewVTWidth / 8;
     Offset += Increment;
-    BasePtr = DAG.getObjectPtrOffset(dl, BasePtr, Increment);
+    BasePtr = DAG.getObjectPtrOffset(dl, BasePtr, TypeSize::Fixed(Increment));
 
     SDValue L;
     if (LdWidth < NewVTWidth) {
@@ -5107,7 +5109,8 @@
   LdChain.push_back(Ops[0].getValue(1));
   unsigned i = 0, Offset = Increment;
   for (i=1; i < NumElts; ++i, Offset += Increment) {
-    SDValue NewBasePtr = DAG.getObjectPtrOffset(dl, BasePtr, Offset);
+    SDValue NewBasePtr =
+        DAG.getObjectPtrOffset(dl, BasePtr, TypeSize::Fixed(Offset));
     Ops[i] = DAG.getExtLoad(ExtType, dl, EltVT, Chain, NewBasePtr,
                             LD->getPointerInfo().getWithOffset(Offset), LdEltVT,
                             LD->getOriginalAlign(), MMOFlags, AAInfo);
@@ -5161,7 +5164,8 @@
         Offset += Increment;
         Idx += NumVTElts;
 
-        BasePtr = DAG.getObjectPtrOffset(dl, BasePtr, Increment);
+        BasePtr =
+            DAG.getObjectPtrOffset(dl, BasePtr, TypeSize::Fixed(Increment));
       } while (StWidth != 0 && StWidth >= NewVTWidth);
     } else {
       // Cast the vector to the scalar type we can store.
@@ -5178,7 +5182,8 @@
             ST->getOriginalAlign(), MMOFlags, AAInfo));
         StWidth -= NewVTWidth;
         Offset += Increment;
-        BasePtr = DAG.getObjectPtrOffset(dl, BasePtr, Increment);
+        BasePtr =
+            DAG.getObjectPtrOffset(dl, BasePtr, TypeSize::Fixed(Increment));
       } while (StWidth != 0 && StWidth >= NewVTWidth);
       // Restore index back to be relative to the original widen element type.
       Idx = Idx * NewVTWidth / ValEltWidth;
@@ -5219,7 +5224,8 @@
                         ST->getOriginalAlign(), MMOFlags, AAInfo));
   unsigned Offset = Increment;
   for (unsigned i=1; i < NumElts; ++i, Offset += Increment) {
-    SDValue NewBasePtr = DAG.getObjectPtrOffset(dl, BasePtr, Offset);
+    SDValue NewBasePtr =
+        DAG.getObjectPtrOffset(dl, BasePtr, TypeSize::Fixed(Offset));
     SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, ValEltVT, ValOp,
                               DAG.getVectorIdxConstant(0, dl));
     StChain.push_back(DAG.getTruncStore(
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5933,11 +5933,12 @@
   return SDValue(nullptr, 0);
 }
 
-SDValue SelectionDAG::getMemBasePlusOffset(SDValue Base, int64_t Offset,
+SDValue SelectionDAG::getMemBasePlusOffset(SDValue Base, TypeSize Offset,
                                            const SDLoc &DL,
                                            const SDNodeFlags Flags) {
   EVT VT = Base.getValueType();
-  return getMemBasePlusOffset(Base, getConstant(Offset, DL, VT), DL, Flags);
+  return getMemBasePlusOffset(Base, getConstant(Offset.getFixedSize(), DL, VT),
+                              DL, Flags);
 }
 
 SDValue SelectionDAG::getMemBasePlusOffset(SDValue Ptr, SDValue Offset,
@@ -6104,7 +6105,8 @@
       Value = getMemsetStringVal(VT, dl, DAG, TLI, SubSlice);
       if (Value.getNode()) {
         Store = DAG.getStore(
-            Chain, dl, Value, DAG.getMemBasePlusOffset(Dst, DstOff, dl),
+            Chain, dl, Value,
+            DAG.getMemBasePlusOffset(Dst, TypeSize::Fixed(DstOff), dl),
             DstPtrInfo.getWithOffset(DstOff), Alignment.value(), MMOFlags);
         OutChains.push_back(Store);
       }
@@ -6125,15 +6127,16 @@
       if (isDereferenceable)
         SrcMMOFlags |= MachineMemOperand::MODereferenceable;
 
-      Value = DAG.getExtLoad(ISD::EXTLOAD, dl, NVT, Chain,
-                             DAG.getMemBasePlusOffset(Src, SrcOff, dl),
-                             SrcPtrInfo.getWithOffset(SrcOff), VT,
-                             commonAlignment(*SrcAlign, SrcOff).value(),
-                             SrcMMOFlags);
+      Value = DAG.getExtLoad(
+          ISD::EXTLOAD, dl, NVT, Chain,
+          DAG.getMemBasePlusOffset(Src, TypeSize::Fixed(SrcOff), dl),
+          SrcPtrInfo.getWithOffset(SrcOff), VT,
+          commonAlignment(*SrcAlign, SrcOff).value(), SrcMMOFlags);
       OutLoadChains.push_back(Value.getValue(1));
 
       Store = DAG.getTruncStore(
-          Chain, dl, Value, DAG.getMemBasePlusOffset(Dst, DstOff, dl),
+          Chain, dl, Value,
+          DAG.getMemBasePlusOffset(Dst, TypeSize::Fixed(DstOff), dl),
           DstPtrInfo.getWithOffset(DstOff), VT, Alignment.value(), MMOFlags);
       OutStoreChains.push_back(Store);
     }
@@ -6255,7 +6258,8 @@
       SrcMMOFlags |= MachineMemOperand::MODereferenceable;
 
     Value = DAG.getLoad(
-        VT, dl, Chain, DAG.getMemBasePlusOffset(Src, SrcOff, dl),
+        VT, dl, Chain,
+        DAG.getMemBasePlusOffset(Src, TypeSize::Fixed(SrcOff), dl),
         SrcPtrInfo.getWithOffset(SrcOff), SrcAlign->value(), SrcMMOFlags);
     LoadValues.push_back(Value);
     LoadChains.push_back(Value.getValue(1));
@@ -6269,7 +6273,8 @@
     SDValue Store;
 
     Store = DAG.getStore(
-        Chain, dl, LoadValues[i], DAG.getMemBasePlusOffset(Dst, DstOff, dl),
+        Chain, dl, LoadValues[i],
+        DAG.getMemBasePlusOffset(Dst, TypeSize::Fixed(DstOff), dl),
         DstPtrInfo.getWithOffset(DstOff), Alignment.value(), MMOFlags);
     OutChains.push_back(Store);
     DstOff += VTSize;
@@ -6368,7 +6373,8 @@
     }
     assert(Value.getValueType() == VT && "Value with wrong type.");
     SDValue Store = DAG.getStore(
-        Chain, dl, Value, DAG.getMemBasePlusOffset(Dst, DstOff, dl),
+        Chain, dl, Value,
+        DAG.getMemBasePlusOffset(Dst, TypeSize::Fixed(DstOff), dl),
         DstPtrInfo.getWithOffset(DstOff), Alignment.value(),
         isVol ? MachineMemOperand::MOVolatile : MachineMemOperand::MONone);
     OutChains.push_back(Store);
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1843,7 +1843,8 @@
     for (unsigned i = 0; i != NumValues; ++i) {
       // An aggregate return value cannot wrap around the address space, so
       // offsets to its parts don't wrap either.
-      SDValue Ptr = DAG.getObjectPtrOffset(getCurSDLoc(), RetPtr, Offsets[i]);
+      SDValue Ptr = DAG.getObjectPtrOffset(getCurSDLoc(), RetPtr,
+                                           TypeSize::Fixed(Offsets[i]));
 
       SDValue Val = RetOp.getValue(RetOp.getResNo() + i);
       if (MemVTs[i] != ValueVTs[i])
@@ -4167,7 +4168,8 @@
       Root = Chain;
       ChainI = 0;
     }
-    SDValue Add = DAG.getMemBasePlusOffset(Ptr, Offsets[i], dl, Flags);
+    SDValue Add =
+        DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(Offsets[i]), dl, Flags);
     SDValue Val = SDValue(Src.getNode(), Src.getResNo() + i);
     if (MemVTs[i] != ValueVTs[i])
       Val = DAG.getPtrExtOrTrunc(Val, dl, MemVTs[i]);
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -3588,7 +3588,8 @@
             shouldReduceLoadWidth(Lod, ISD::NON_EXTLOAD, newVT)) {
           SDValue Ptr = Lod->getBasePtr();
           if (bestOffset != 0)
-            Ptr = DAG.getMemBasePlusOffset(Ptr, bestOffset, dl);
+            Ptr =
+                DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(bestOffset), dl);
           unsigned NewAlign = MinAlign(Lod->getAlignment(), bestOffset);
           SDValue NewLoad = DAG.getLoad(
               newVT, dl, Lod->getChain(), Ptr,
@@ -6789,7 +6790,7 @@
                        SrcEltVT, MinAlign(LD->getAlignment(), Idx * Stride),
                        LD->getMemOperand()->getFlags(), LD->getAAInfo());
 
-    BasePTR = DAG.getObjectPtrOffset(SL, BasePTR, Stride);
+    BasePTR = DAG.getObjectPtrOffset(SL, BasePTR, TypeSize::Fixed(Stride));
 
     Vals.push_back(ScalarLoad.getValue(0));
     LoadChains.push_back(ScalarLoad.getValue(1));
@@ -6860,7 +6861,8 @@
     SDValue Elt = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, SL, RegSclVT, Value,
                               DAG.getVectorIdxConstant(Idx, SL));
 
-    SDValue Ptr = DAG.getObjectPtrOffset(SL, BasePtr, Idx * Stride);
+    SDValue Ptr =
+        DAG.getObjectPtrOffset(SL, BasePtr, TypeSize::Fixed(Idx * Stride));
 
     // This scalar TruncStore may be illegal, but we legalize it later.
     SDValue Store = DAG.getTruncStore(
@@ -6996,7 +6998,7 @@
                         NewLoadedVT, Alignment, LD->getMemOperand()->getFlags(),
                         LD->getAAInfo());
 
-    Ptr = DAG.getObjectPtrOffset(dl, Ptr, IncrementSize);
+    Ptr = DAG.getObjectPtrOffset(dl, Ptr, TypeSize::Fixed(IncrementSize));
     Hi = DAG.getExtLoad(HiExtType, dl, VT, Chain, Ptr,
                         LD->getPointerInfo().getWithOffset(IncrementSize),
                         NewLoadedVT, MinAlign(Alignment, IncrementSize),
@@ -7006,7 +7008,7 @@
                         NewLoadedVT, Alignment, LD->getMemOperand()->getFlags(),
                         LD->getAAInfo());
 
-    Ptr = DAG.getObjectPtrOffset(dl, Ptr, IncrementSize);
+    Ptr = DAG.getObjectPtrOffset(dl, Ptr, TypeSize::Fixed(IncrementSize));
     Lo = DAG.getExtLoad(ISD::ZEXTLOAD, dl, VT, Chain, Ptr,
                         LD->getPointerInfo().getWithOffset(IncrementSize),
                         NewLoadedVT, MinAlign(Alignment, IncrementSize),
@@ -7124,8 +7126,8 @@
          "Unaligned store of unknown type.");
   // Get the half-size VT
   EVT NewStoredVT = StoreMemVT.getHalfSizedIntegerVT(*DAG.getContext());
-  int NumBits = NewStoredVT.getSizeInBits();
-  int IncrementSize = NumBits / 8;
+  unsigned NumBits = NewStoredVT.getSizeInBits().getFixedSize();
+  unsigned IncrementSize = NumBits / 8;
 
   // Divide the stored value in two parts.
   SDValue ShiftAmount = DAG.getConstant(
@@ -7140,7 +7142,7 @@
                              Ptr, ST->getPointerInfo(), NewStoredVT, Alignment,
                              ST->getMemOperand()->getFlags());
 
-  Ptr = DAG.getObjectPtrOffset(dl, Ptr, IncrementSize);
+  Ptr = DAG.getObjectPtrOffset(dl, Ptr, TypeSize::Fixed(IncrementSize));
   Alignment = MinAlign(Alignment, IncrementSize);
   Store2 = DAG.getTruncStore(
       Chain, dl, DAG.getDataLayout().isLittleEndian() ? Hi : Lo, Ptr,
diff --git a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
--- a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
@@ -82,7 +82,8 @@
   unsigned OffsetScaled = 0;
   while (OffsetScaled < ObjSizeScaled) {
     if (ObjSizeScaled - OffsetScaled >= 2) {
-      SDValue AddrNode = DAG.getMemBasePlusOffset(Ptr, OffsetScaled * 16, dl);
+      SDValue AddrNode =
+          DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(OffsetScaled * 16), dl);
       SDValue St = DAG.getMemIntrinsicNode(
           OpCode2, dl, DAG.getVTList(MVT::Other),
           {Chain, TagSrc, AddrNode},
@@ -94,7 +95,8 @@
     }
 
     if (ObjSizeScaled - OffsetScaled > 0) {
-      SDValue AddrNode = DAG.getMemBasePlusOffset(Ptr, OffsetScaled * 16, dl);
+      SDValue AddrNode =
+          DAG.getMemBasePlusOffset(Ptr, TypeSize::Fixed(OffsetScaled * 16), dl);
       SDValue St = DAG.getMemIntrinsicNode(
           OpCode1, dl, DAG.getVTList(MVT::Other),
           {Chain, TagSrc, AddrNode},
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -1544,7 +1544,7 @@
   SDValue LoLoad = DAG.getExtLoad(Load->getExtensionType(), SL, LoVT,
                                   Load->getChain(), BasePtr, SrcValue, LoMemVT,
                                   BaseAlign, Load->getMemOperand()->getFlags());
-  SDValue HiPtr = DAG.getObjectPtrOffset(SL, BasePtr, Size);
+  SDValue HiPtr = DAG.getObjectPtrOffset(SL, BasePtr, TypeSize::Fixed(Size));
   SDValue HiLoad =
       DAG.getExtLoad(Load->getExtensionType(), SL, HiVT, Load->getChain(),
                      HiPtr, SrcValue.getWithOffset(LoMemVT.getStoreSize()),
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1564,7 +1564,7 @@
   SDValue BasePtr = DAG.getCopyFromReg(Chain, SL,
     MRI.getLiveInVirtReg(InputPtrReg->getRegister()), PtrVT);
 
-  return DAG.getObjectPtrOffset(SL, BasePtr, Offset);
+  return DAG.getObjectPtrOffset(SL, BasePtr, TypeSize::Fixed(Offset));
 }
 
 SDValue SITargetLowering::getImplicitArgPtr(SelectionDAG &DAG,
@@ -5181,7 +5181,8 @@
   // private_segment_aperture_base_hi.
   uint32_t StructOffset = (AS == AMDGPUAS::LOCAL_ADDRESS) ? 0x40 : 0x44;
 
-  SDValue Ptr = DAG.getObjectPtrOffset(DL, QueuePtr, StructOffset);
+  SDValue Ptr =
+      DAG.getObjectPtrOffset(DL, QueuePtr, TypeSize::Fixed(StructOffset));
 
   // TODO: Use custom target PseudoSourceValue.
   // TODO: We should use the value from the IR intrinsic call, but it might not
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -14502,7 +14502,8 @@
   SmallVector<SDValue, 4> Stores;
   for (unsigned i = 0; i < FromVT.getVectorNumElements() / NumElements; i++) {
     unsigned NewOffset = i * NumElements * ToEltVT.getSizeInBits() / 8;
-    SDValue NewPtr = DAG.getObjectPtrOffset(DL, BasePtr, NewOffset);
+    SDValue NewPtr =
+        DAG.getObjectPtrOffset(DL, BasePtr, TypeSize::Fixed(NewOffset));
 
     SDValue Extract =
         DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, NewFromVT, Trunc.getOperand(0),
@@ -15312,7 +15313,8 @@
   SmallVector<SDValue, 4> Chains;
   for (unsigned i = 0; i < FromVT.getVectorNumElements() / NumElements; i++) {
     unsigned NewOffset = (i * NewFromVT.getSizeInBits()) / 8;
-    SDValue NewPtr = DAG.getObjectPtrOffset(DL, BasePtr, NewOffset);
+    SDValue NewPtr =
+        DAG.getObjectPtrOffset(DL, BasePtr, TypeSize::Fixed(NewOffset));
 
     SDValue NewLoad =
         DAG.getLoad(ISD::UNINDEXED, NewExtType, NewToVT, DL, Ch, NewPtr, Offset,
diff --git a/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp b/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
--- a/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
@@ -2910,8 +2910,10 @@
       ? DAG.getNode(HexagonISD::VALIGNADDR, dl, MVT::i32, BO.first,
                     DAG.getConstant(NeedAlign, dl, MVT::i32))
       : BO.first;
-  SDValue Base0 = DAG.getMemBasePlusOffset(BaseNoOff, BO.second, dl);
-  SDValue Base1 = DAG.getMemBasePlusOffset(BaseNoOff, BO.second+LoadLen, dl);
+  SDValue Base0 =
+      DAG.getMemBasePlusOffset(BaseNoOff, TypeSize::Fixed(BO.second), dl);
+  SDValue Base1 = DAG.getMemBasePlusOffset(
+      BaseNoOff, TypeSize::Fixed(BO.second + LoadLen), dl);
 
   MachineMemOperand *WideMMO = nullptr;
   if (MachineMemOperand *MMO = LN->getMemOperand()) {
diff --git a/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp b/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp
--- a/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp
@@ -1659,7 +1659,7 @@
   MVT SingleTy = typeSplit(MemTy).first;
   SDValue Chain = BN->getChain();
   SDValue Base0 = BN->getBasePtr();
-  SDValue Base1 = DAG.getMemBasePlusOffset(Base0, HwLen, dl);
+  SDValue Base1 = DAG.getMemBasePlusOffset(Base0, TypeSize::Fixed(HwLen), dl);
 
   MachineMemOperand *MOp0 = nullptr, *MOp1 = nullptr;
   if (MachineMemOperand *MMO = BN->getMemOperand()) {
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -7107,10 +7107,10 @@
         // to extracting the value from the register directly, and elide the
         // stores when the arguments address is not taken, but that will need to
         // be future work.
-        SDValue Store =
-            DAG.getStore(CopyFrom.getValue(1), dl, CopyFrom,
-                         DAG.getObjectPtrOffset(dl, FIN, Offset),
-                         MachinePointerInfo::getFixedStack(MF, FI, Offset));
+        SDValue Store = DAG.getStore(
+            CopyFrom.getValue(1), dl, CopyFrom,
+            DAG.getObjectPtrOffset(dl, FIN, TypeSize::Fixed(Offset)),
+            MachinePointerInfo::getFixedStack(MF, FI, Offset));
 
         MemOps.push_back(Store);
       };
@@ -7307,11 +7307,12 @@
       }
 
       auto GetLoad = [&](EVT VT, unsigned LoadOffset) {
-        return DAG.getExtLoad(ISD::ZEXTLOAD, dl, PtrVT, Chain,
-                              (LoadOffset != 0)
-                                  ? DAG.getObjectPtrOffset(dl, Arg, LoadOffset)
-                                  : Arg,
-                              MachinePointerInfo(), VT);
+        return DAG.getExtLoad(
+            ISD::ZEXTLOAD, dl, PtrVT, Chain,
+            (LoadOffset != 0)
+                ? DAG.getObjectPtrOffset(dl, Arg, TypeSize::Fixed(LoadOffset))
+                : Arg,
+            MachinePointerInfo(), VT);
       };
 
       unsigned LoadOffset = 0;
@@ -7341,9 +7342,11 @@
         // Only memcpy the bytes that don't pass in register.
         MemcpyFlags.setByValSize(ByValSize - LoadOffset);
         Chain = CallSeqStart = createMemcpyOutsideCallSeq(
-            (LoadOffset != 0) ? DAG.getObjectPtrOffset(dl, Arg, LoadOffset)
-                              : Arg,
-            DAG.getObjectPtrOffset(dl, StackPtr, ByValVA.getLocMemOffset()),
+            (LoadOffset != 0)
+                ? DAG.getObjectPtrOffset(dl, Arg, TypeSize::Fixed(LoadOffset))
+                : Arg,
+            DAG.getObjectPtrOffset(dl, StackPtr,
+                                   TypeSize::Fixed(ByValVA.getLocMemOffset())),
             CallSeqStart, MemcpyFlags, DAG, dl);
         continue;
       }
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -13312,7 +13312,8 @@
     MVT SVT = VT.getScalarType();
     unsigned Offset = BroadcastIdx * SVT.getStoreSize();
     assert((int)(Offset * 8) == BitOffset && "Unexpected bit-offset");
-    SDValue NewAddr = DAG.getMemBasePlusOffset(BaseAddr, Offset, DL);
+    SDValue NewAddr =
+        DAG.getMemBasePlusOffset(BaseAddr, TypeSize::Fixed(Offset), DL);
 
     // Directly form VBROADCAST_LOAD if we're using VBROADCAST opcode rather
     // than MOVDDUP.
@@ -19963,7 +19964,8 @@
   MachinePointerInfo MPI =
     MachinePointerInfo::getFixedStack(DAG.getMachineFunction(), SSFI);
   if (SrcVT == MVT::i32) {
-    SDValue OffsetSlot = DAG.getMemBasePlusOffset(StackSlot, 4, dl);
+    SDValue OffsetSlot =
+        DAG.getMemBasePlusOffset(StackSlot, TypeSize::Fixed(4), dl);
     SDValue Store1 =
         DAG.getStore(Chain, dl, Src, StackSlot, MPI, 8 /*Align*/);
     SDValue Store2 = DAG.getStore(Store1, dl, DAG.getConstant(0, dl, MVT::i32),
@@ -23487,7 +23489,8 @@
   std::tie(Value0, Value1) = splitVector(StoredVal, DAG, DL);
   unsigned HalfOffset = Value0.getValueType().getStoreSize();
   SDValue Ptr0 = Store->getBasePtr();
-  SDValue Ptr1 = DAG.getMemBasePlusOffset(Ptr0, HalfOffset, DL);
+  SDValue Ptr1 =
+      DAG.getMemBasePlusOffset(Ptr0, TypeSize::Fixed(HalfOffset), DL);
   SDValue Ch0 =
       DAG.getStore(Store->getChain(), DL, Value0, Ptr0, Store->getPointerInfo(),
                    Store->getOriginalAlign(),
@@ -23522,7 +23525,8 @@
   SmallVector<SDValue, 4> Stores;
   for (unsigned i = 0; i != NumElems; ++i) {
     unsigned Offset = i * ScalarSize;
-    SDValue Ptr = DAG.getMemBasePlusOffset(Store->getBasePtr(), Offset, DL);
+    SDValue Ptr = DAG.getMemBasePlusOffset(Store->getBasePtr(),
+                                           TypeSize::Fixed(Offset), DL);
     SDValue Scl = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, StoreSVT, StoredVal,
                               DAG.getIntPtrConstant(i, DL));
     SDValue Ch = DAG.getStore(Store->getChain(), DL, Scl, Ptr,
@@ -23910,7 +23914,7 @@
   MemOps.push_back(Store);
 
   // Store fp_offset
-  FIN = DAG.getMemBasePlusOffset(FIN, 4, DL);
+  FIN = DAG.getMemBasePlusOffset(FIN, TypeSize::Fixed(4), DL);
   Store = DAG.getStore(
       Op.getOperand(0), DL,
       DAG.getConstant(FuncInfo->getVarArgsFPOffset(), DL, MVT::i32), FIN,
@@ -36169,7 +36173,8 @@
             LN->isSimple()) {
           unsigned Offset = ShiftAmt / 8;
           SDVTList Tys = DAG.getVTList(VT, MVT::Other);
-          SDValue Ptr = DAG.getMemBasePlusOffset(LN->getBasePtr(), Offset, DL);
+          SDValue Ptr = DAG.getMemBasePlusOffset(LN->getBasePtr(),
+                                                 TypeSize::Fixed(Offset), DL);
           SDValue Ops[] = { LN->getChain(), Ptr };
           SDValue BcastLd = DAG.getMemIntrinsicNode(
               X86ISD::VBROADCAST_LOAD, DL, Tys, Ops, MVT::i16,
@@ -43898,7 +43903,8 @@
 
     unsigned HalfOffset = 16;
     SDValue Ptr1 = Ld->getBasePtr();
-    SDValue Ptr2 = DAG.getMemBasePlusOffset(Ptr1, HalfOffset, dl);
+    SDValue Ptr2 =
+        DAG.getMemBasePlusOffset(Ptr1, TypeSize::Fixed(HalfOffset), dl);
     EVT HalfVT = EVT::getVectorVT(*DAG.getContext(), MemVT.getScalarType(),
                                   NumElems / 2);
     SDValue Load1 =
@@ -44000,7 +44006,8 @@
   Addr = MaskedOp->getBasePtr();
   if (TrueMaskElt != 0) {
     unsigned Offset = TrueMaskElt * EltVT.getStoreSize();
-    Addr = DAG.getMemBasePlusOffset(Addr, Offset, SDLoc(MaskedOp));
+    Addr = DAG.getMemBasePlusOffset(Addr, TypeSize::Fixed(Offset),
+                                    SDLoc(MaskedOp));
   }
 
   Index = DAG.getIntPtrConstant(TrueMaskElt, SDLoc(MaskedOp));
@@ -44265,7 +44272,7 @@
       Hi = combinevXi1ConstantToInteger(Hi, DAG);
 
       SDValue Ptr0 = St->getBasePtr();
-      SDValue Ptr1 = DAG.getMemBasePlusOffset(Ptr0, 4, dl);
+      SDValue Ptr1 = DAG.getMemBasePlusOffset(Ptr0, TypeSize::Fixed(4), dl);
 
       SDValue Ch0 =
           DAG.getStore(St->getChain(), dl, Lo, Ptr0, St->getPointerInfo(),