diff options
Diffstat (limited to 'llvm/lib/CodeGen')
-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 8cab6aa..d353dc2 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -15188,6 +15188,10 @@ SDValue DAGCombiner::visitCONCAT_VECTORS(SDNode *N) { if (!SclTy.isFloatingPoint() && !SclTy.isInteger()) return SDValue(); + // Bail out if the vector size is not a multiple of the scalar size. + if (VT.getSizeInBits() % SclTy.getSizeInBits()) + return SDValue(); + unsigned VNTNumElms = VT.getSizeInBits() / SclTy.getSizeInBits(); if (VNTNumElms < 2) return SDValue(); |