diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 611ea782aa7..eba7d695c77 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -19786,14 +19786,10 @@ SDValue DAGCombiner::XformToShuffleWithZero(SDNode *N) { return SDValue(); // Extract the sub element from the constant bit mask. - if (DAG.getDataLayout().isBigEndian()) { - Bits.lshrInPlace((Split - SubIdx - 1) * NumSubBits); - } else { - Bits.lshrInPlace(SubIdx * NumSubBits); - } - - if (Split > 1) - Bits = Bits.trunc(NumSubBits); + if (DAG.getDataLayout().isBigEndian()) + Bits = Bits.extractBits(NumSubBits, (Split - SubIdx - 1) * NumSubBits); + else + Bits = Bits.extractBits(NumSubBits, SubIdx * NumSubBits); if (Bits.isAllOnesValue()) Indices.push_back(i); |
