diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 770eb3190be..d1bf193cae6 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -17722,6 +17722,10 @@ SDValue DAGCombiner::visitINSERT_SUBVECTOR(SDNode *N) { return DAG.getNode(ISD::CONCAT_VECTORS, SDLoc(N), VT, Ops); } + // Simplify source operands based on insertion. + if (SimplifyDemandedVectorElts(SDValue(N, 0))) + return SDValue(N, 0); + return SDValue(); } |
