[LegalizeTypes][NFC] Remove else-after-return

[craig.topper]

LGTM

llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp

SDValue DAGTypeLegalizer::PromoteIntOp_STORE(StoreSDNode *N, unsigned OpNo){
 
   // Truncate the value and store the result.
   return DAG.getTruncStore(Ch, dl, Val, Ptr,
                            N->getMemoryVT(), N->getMemOperand());
 }
 
 SDValue DAGTypeLegalizer::PromoteIntOp_MSTORE(MaskedStoreSDNode *N,
                                               unsigned OpNo) {
-
   SDValue DataOp = N->getValue();
-  EVT DataVT = DataOp.getValueType();
   SDValue Mask = N->getMask();
-  SDLoc dl(N);
 
-  bool TruncateStore = false;
   if (OpNo == 4) {
+    // The Mask. Update in place.
+    EVT DataVT = DataOp.getValueType();
     Mask = PromoteTargetBoolean(Mask, DataVT);
-    // Update in place.
     SmallVector<SDValue, 4> NewOps(N->op_begin(), N->op_end());
     NewOps[4] = Mask;
     return SDValue(DAG.UpdateNodeOperands(N, NewOps), 0);
-  } else { // Data operand
-    assert(OpNo == 1 && "Unexpected operand for promotion");
-    DataOp = GetPromotedInteger(DataOp);
-    TruncateStore = true;
-  }
+  }
+
 
-  return DAG.getMaskedStore(N->getChain(), dl, DataOp, N->getBasePtr(),
+  return DAG.getMaskedStore(N->getChain(), SDLoc(N), DataOp, N->getBasePtr(),
                             N->getOffset(), Mask, N->getMemoryVT(),
                             N->getMemOperand(), N->getAddressingMode(),
-                            TruncateStore, N->isCompressingStore());
+                            /*IsTruncating*/ true, N->isCompressingStore());
 }
 
 SDValue DAGTypeLegalizer::PromoteIntOp_MLOAD(MaskedLoadSDNode *N,
                                              unsigned OpNo) {
   assert(OpNo == 3 && "Only know how to promote the mask!");
   EVT DataVT = N->getValueType(0);
   SDValue Mask = PromoteTargetBoolean(N->getOperand(OpNo), DataVT);
   SmallVector<SDValue, 4> NewOps(N->op_begin(), N->op_end());