diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp index 6a141818bb6..958cdc23560 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp @@ -663,34 +663,6 @@ SDValue VectorLegalizer::ExpandLoad(SDValue Op) { SDValue VectorLegalizer::ExpandStore(SDValue Op) { StoreSDNode *ST = cast<StoreSDNode>(Op.getNode()); - EVT StVT = ST->getMemoryVT(); - EVT MemSclVT = StVT.getScalarType(); - unsigned ScalarSize = MemSclVT.getSizeInBits(); - - // Round odd types to the next pow of two. - if (!isPowerOf2_32(ScalarSize)) { - // FIXME: This is completely broken and inconsistent with ExpandLoad - // handling. - - // For sub-byte element sizes, this ends up with 0 stride between elements, - // so the same element just gets re-written to the same location. There seem - // to be tests explicitly testing for this broken behavior though. tests - // for this broken behavior. - - LLVMContext &Ctx = *DAG.getContext(); - - EVT NewMemVT - = EVT::getVectorVT(Ctx, - MemSclVT.getIntegerVT(Ctx, NextPowerOf2(ScalarSize)), - StVT.getVectorNumElements()); - - SDValue NewVectorStore = DAG.getTruncStore( - ST->getChain(), SDLoc(Op), ST->getValue(), ST->getBasePtr(), - ST->getPointerInfo(), NewMemVT, ST->getAlignment(), - ST->getMemOperand()->getFlags(), ST->getAAInfo()); - ST = cast<StoreSDNode>(NewVectorStore.getNode()); - } - SDValue TF = TLI.scalarizeVectorStore(ST, DAG); AddLegalizedOperand(Op, TF); return TF; |
