diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 349b4d5..35ea0bb 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4037,6 +4037,8 @@
                       MachinePointerInfo PtrInfo, EVT MemVT,
                       bool isVolatile, bool isNonTemporal,
                       unsigned Alignment, const MDNode *TBAAInfo) {
+  assert(Chain.getValueType() == MVT::Other && 
+        "Invalid chain type");
   if (Alignment == 0)  // Ensure that codegen never sees alignment 0
     Alignment = getEVTAlignment(VT);
 
@@ -4142,6 +4144,8 @@
                                SDValue Ptr, MachinePointerInfo PtrInfo,
                                bool isVolatile, bool isNonTemporal,
                                unsigned Alignment, const MDNode *TBAAInfo) {
+  assert(Chain.getValueType() == MVT::Other && 
+        "Invalid chain type");
   if (Alignment == 0)  // Ensure that codegen never sees alignment 0
     Alignment = getEVTAlignment(Val.getValueType());
 
@@ -4165,6 +4169,8 @@
 
 SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val,
                                SDValue Ptr, MachineMemOperand *MMO) {
+  assert(Chain.getValueType() == MVT::Other && 
+        "Invalid chain type");
   EVT VT = Val.getValueType();
   SDVTList VTs = getVTList(MVT::Other);
   SDValue Undef = getUNDEF(Ptr.getValueType());
@@ -4191,6 +4197,8 @@
                                     EVT SVT,bool isVolatile, bool isNonTemporal,
                                     unsigned Alignment,
                                     const MDNode *TBAAInfo) {
+  assert(Chain.getValueType() == MVT::Other && 
+        "Invalid chain type");
   if (Alignment == 0)  // Ensure that codegen never sees alignment 0
     Alignment = getEVTAlignment(SVT);
 
@@ -4216,6 +4224,8 @@
                                     MachineMemOperand *MMO) {
   EVT VT = Val.getValueType();
 
+  assert(Chain.getValueType() == MVT::Other && 
+        "Invalid chain type");
   if (VT == SVT)
     return getStore(Chain, dl, Val, Ptr, MMO);