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Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 893cf2036a..7c54d17275 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2984,7 +2984,8 @@ SDValue DAGCombiner::MatchBSwapHWord(SDNode *N, SDValue N0, SDValue N1) { SDValue N00 = N0.getOperand(0); SDValue N01 = N0.getOperand(1); - if (N1.getOpcode() == ISD::OR) { + if (N1.getOpcode() == ISD::OR && + N00.getNumOperands() == 2 && N01.getNumOperands() == 2) { // (or (or (and), (and)), (or (and), (and))) SDValue N000 = N00.getOperand(0); if (!isBSwapHWordElement(N000, Parts)) |