diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index dcb2ab0a333..00dc717e1e4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -5419,7 +5419,7 @@ UpdateNodeOperands(SDNode *N, ArrayRef<SDValue> Ops) { "Update with wrong number of operands"); // If no operands changed just return the input node. - if (std::equal(Ops.begin(), Ops.end(), N->op_begin())) + if (!Ops.empty() && std::equal(Ops.begin(), Ops.end(), N->op_begin())) return N; // See if the modified node already exists. |
