Use v.data() instead of &v[0] when SmallVector v might be empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72210 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 0c37f52..5c8cf75 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1041,7 +1041,7 @@
for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i)
Ops.push_back(LegalizeOp(Node->getOperand(i)));
- Result = DAG.UpdateNodeOperands(Result.getValue(0), &Ops[0], Ops.size());
+ Result = DAG.UpdateNodeOperands(Result.getValue(0), Ops.data(), Ops.size());
for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
AddLegalizedOperand(Op.getValue(i), Result.getValue(i));