diff options
Diffstat (limited to 'lib/Target/R600/AMDGPUISelLowering.cpp')
-rw-r--r-- | lib/Target/R600/AMDGPUISelLowering.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp index 88867b6e9d..1237323ee8 100644 --- a/lib/Target/R600/AMDGPUISelLowering.cpp +++ b/lib/Target/R600/AMDGPUISelLowering.cpp @@ -424,6 +424,29 @@ SDValue AMDGPUTargetLowering::LowerMinMax(SDValue Op, return Op; } +SDValue AMDGPUTargetLowering::SplitVectorLoad(const SDValue &Op, + SelectionDAG &DAG) const { + LoadSDNode *Load = dyn_cast<LoadSDNode>(Op); + EVT MemEltVT = Load->getMemoryVT().getVectorElementType(); + EVT EltVT = Op.getValueType().getVectorElementType(); + EVT PtrVT = Load->getBasePtr().getValueType(); + unsigned NumElts = Load->getMemoryVT().getVectorNumElements(); + SmallVector<SDValue, 8> Loads; + SDLoc SL(Op); + + for (unsigned i = 0, e = NumElts; i != e; ++i) { + SDValue Ptr = DAG.getNode(ISD::ADD, SL, PtrVT, Load->getBasePtr(), + DAG.getConstant(i * (MemEltVT.getSizeInBits() / 8), PtrVT)); + Loads.push_back(DAG.getExtLoad(Load->getExtensionType(), SL, EltVT, + Load->getChain(), Ptr, + MachinePointerInfo(Load->getMemOperand()->getValue()), + MemEltVT, Load->isVolatile(), Load->isNonTemporal(), + Load->getAlignment())); + } + return DAG.getNode(ISD::BUILD_VECTOR, SL, Op.getValueType(), &Loads[0], + Loads.size()); +} + SDValue AMDGPUTargetLowering::MergeVectorStore(const SDValue &Op, SelectionDAG &DAG) const { StoreSDNode *Store = dyn_cast<StoreSDNode>(Op); |