Index: lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
===================================================================
--- lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -2133,6 +2133,13 @@
                                          SDValue &Lo, SDValue &Hi) {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
+  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
+
+  if (TLI.getOperationAction(ISD::SDIVREM, VT) == TargetLowering::Custom) {
+    SDValue Res = DAG.getNode(ISD::SDIVREM, dl, DAG.getVTList(VT, VT), Ops);
+    SplitInteger(Res, Lo, Hi);
+    return;
+  }
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
   if (VT == MVT::i16)
@@ -2145,7 +2152,6 @@
     LC = RTLIB::SDIV_I128;
   assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported SDIV!");
 
-  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
   SplitInteger(TLI.makeLibCall(DAG, LC, VT, Ops, 2, true, dl).first, Lo, Hi);
 }
 
@@ -2312,6 +2318,13 @@
                                          SDValue &Lo, SDValue &Hi) {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
+  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
+
+  if (TLI.getOperationAction(ISD::SDIVREM, VT) == TargetLowering::Custom) {
+    SDValue Res = DAG.getNode(ISD::SDIVREM, dl, DAG.getVTList(VT, VT), Ops);
+    SplitInteger(Res.getValue(1), Lo, Hi);
+    return;
+  }
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
   if (VT == MVT::i16)
@@ -2324,7 +2337,6 @@
     LC = RTLIB::SREM_I128;
   assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported SREM!");
 
-  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
   SplitInteger(TLI.makeLibCall(DAG, LC, VT, Ops, 2, true, dl).first, Lo, Hi);
 }
 
@@ -2453,6 +2465,13 @@
                                          SDValue &Lo, SDValue &Hi) {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
+  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
+
+  if (TLI.getOperationAction(ISD::UDIVREM, VT) == TargetLowering::Custom) {
+    SDValue Res = DAG.getNode(ISD::UDIVREM, dl, DAG.getVTList(VT, VT), Ops);
+    SplitInteger(Res, Lo, Hi);
+    return;
+  }
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
   if (VT == MVT::i16)
@@ -2465,7 +2484,6 @@
     LC = RTLIB::UDIV_I128;
   assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported UDIV!");
 
-  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
   SplitInteger(TLI.makeLibCall(DAG, LC, VT, Ops, 2, false, dl).first, Lo, Hi);
 }
 
@@ -2473,6 +2491,14 @@
                                          SDValue &Lo, SDValue &Hi) {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
+  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
+
+  if (TLI.getOperationAction(ISD::UDIVREM, VT) == TargetLowering::Custom) {
+    SDValue Res = DAG.getNode(ISD::UDIVREM, dl, DAG.getVTList(VT, VT), Ops);
+    SplitInteger(Res.getValue(1), Lo, Hi);
+    return;
+  }
+
 
   RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
   if (VT == MVT::i16)
@@ -2485,7 +2511,6 @@
     LC = RTLIB::UREM_I128;
   assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported UREM!");
 
-  SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) };
   SplitInteger(TLI.makeLibCall(DAG, LC, VT, Ops, 2, false, dl).first, Lo, Hi);
 }