diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 2201fc24483..4b3db73875b 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -18023,13 +18023,16 @@ static SDValue narrowInsertExtractVectorBinOp(SDNode *Extract, SDValue Bop0 = BinOp.getOperand(0), Bop1 = BinOp.getOperand(1); SDValue Index = Extract->getOperand(1); EVT SubVT = Extract->getValueType(0); + if (!TLI.isOperationLegalOrCustom(BinOpcode, SubVT)) + return SDValue(); + SDValue Sub0 = getSubVectorSrc(Bop0, Index, SubVT); SDValue Sub1 = getSubVectorSrc(Bop1, Index, SubVT); // TODO: We could handle the case where only 1 operand is being inserted by // creating an extract of the other operand, but that requires checking // number of uses and/or costs. - if (!Sub0 || !Sub1 || !TLI.isOperationLegalOrCustom(BinOpcode, SubVT)) + if (!Sub0 || !Sub1) return SDValue(); // We are inserting both operands of the wide binop only to extract back |
