19761   SDValue VecOp = N->getOperand(0);  in visitEXTRACT_VECTOR_ELT()  local
19764   EVT VecVT = VecOp.getValueType();  in visitEXTRACT_VECTOR_ELT()
19765   if (VecOp.isUndef())  in visitEXTRACT_VECTOR_ELT()
19773   if (VecOp.getOpcode() == ISD::INSERT_VECTOR_ELT &&  in visitEXTRACT_VECTOR_ELT()
19774       Index == VecOp.getOperand(2)) {  in visitEXTRACT_VECTOR_ELT()
19775     SDValue Elt = VecOp.getOperand(1);  in visitEXTRACT_VECTOR_ELT()
19780   if (VecOp.getOpcode() == ISD::SCALAR_TO_VECTOR) {  in visitEXTRACT_VECTOR_ELT()
19788     SDValue InOp = VecOp.getOperand(0);  in visitEXTRACT_VECTOR_ELT()
19804   if (((IndexC && VecOp.getOpcode() == ISD::BUILD_VECTOR) ||  in visitEXTRACT_VECTOR_ELT()
19805        VecOp.getOpcode() == ISD::SPLAT_VECTOR) &&  in visitEXTRACT_VECTOR_ELT()
19807       (VecOp.hasOneUse() || TLI.aggressivelyPreferBuildVectorSources(VecVT))) {  in visitEXTRACT_VECTOR_ELT()
19808     assert((VecOp.getOpcode() != ISD::BUILD_VECTOR ||  in visitEXTRACT_VECTOR_ELT()
19812         VecOp.getOpcode() == ISD::BUILD_VECTOR ? IndexC->getZExtValue() : 0;  in visitEXTRACT_VECTOR_ELT()
19813     SDValue Elt = VecOp.getOperand(IndexVal);  in visitEXTRACT_VECTOR_ELT()
19839   if (IndexC && VecOp.getOpcode() == ISD::BITCAST && VecVT.isInteger() &&  in visitEXTRACT_VECTOR_ELT()
19840       VecOp.hasOneUse()) {  in visitEXTRACT_VECTOR_ELT()
19846     SDValue BCSrc = VecOp.getOperand(0);  in visitEXTRACT_VECTOR_ELT()
19878   if (IndexC && VecOp.getOpcode() == ISD::VECTOR_SHUFFLE) {  in visitEXTRACT_VECTOR_ELT()
19879     auto *Shuf = cast<ShuffleVectorSDNode>(VecOp);  in visitEXTRACT_VECTOR_ELT()
19890       SVInVec = VecOp.getOperand(0);  in visitEXTRACT_VECTOR_ELT()
19892       SVInVec = VecOp.getOperand(1);  in visitEXTRACT_VECTOR_ELT()
19920   if (llvm::all_of(VecOp->uses(), [&](SDNode *Use) {  in visitEXTRACT_VECTOR_ELT()
19922                Use->getOperand(0) == VecOp &&  in visitEXTRACT_VECTOR_ELT()
19926     for (SDNode *Use : VecOp->uses()) {  in visitEXTRACT_VECTOR_ELT()
19931     if (SimplifyDemandedVectorElts(VecOp, DemandedElts, true)) {  in visitEXTRACT_VECTOR_ELT()
19939     if (SimplifyDemandedBits(VecOp, DemandedBits, DemandedElts, true)) {  in visitEXTRACT_VECTOR_ELT()
19957   if (VecOp.getOpcode() == ISD::BITCAST) {  in visitEXTRACT_VECTOR_ELT()
19959     if (!VecOp.hasOneUse())  in visitEXTRACT_VECTOR_ELT()
19962     EVT BCVT = VecOp.getOperand(0).getValueType();  in visitEXTRACT_VECTOR_ELT()
19967     VecOp = VecOp.getOperand(0);  in visitEXTRACT_VECTOR_ELT()
19972   if (!LegalOperations && !IndexC && VecOp.hasOneUse() &&  in visitEXTRACT_VECTOR_ELT()
19973       ISD::isNormalLoad(VecOp.getNode()) &&  in visitEXTRACT_VECTOR_ELT()
19974       !Index->hasPredecessor(VecOp.getNode())) {  in visitEXTRACT_VECTOR_ELT()
19975     auto *VecLoad = dyn_cast<LoadSDNode>(VecOp);  in visitEXTRACT_VECTOR_ELT()
19990   if (ISD::isNormalLoad(VecOp.getNode())) {  in visitEXTRACT_VECTOR_ELT()
19991     LN0 = cast<LoadSDNode>(VecOp);  in visitEXTRACT_VECTOR_ELT()
19992   } else if (VecOp.getOpcode() == ISD::SCALAR_TO_VECTOR &&  in visitEXTRACT_VECTOR_ELT()
19993              VecOp.getOperand(0).getValueType() == ExtVT &&  in visitEXTRACT_VECTOR_ELT()
19994              ISD::isNormalLoad(VecOp.getOperand(0).getNode())) {  in visitEXTRACT_VECTOR_ELT()
19996     if (!VecOp.hasOneUse())  in visitEXTRACT_VECTOR_ELT()
19999     LN0 = cast<LoadSDNode>(VecOp.getOperand(0));  in visitEXTRACT_VECTOR_ELT()
20001   if (auto *Shuf = dyn_cast<ShuffleVectorSDNode>(VecOp)) {  in visitEXTRACT_VECTOR_ELT()
20007     if (!VecOp.hasOneUse())  in visitEXTRACT_VECTOR_ELT()
20017     VecOp = (Idx < (int)NumElts) ? VecOp.getOperand(0) : VecOp.getOperand(1);  in visitEXTRACT_VECTOR_ELT()
20019     if (VecOp.getOpcode() == ISD::BITCAST) {  in visitEXTRACT_VECTOR_ELT()
20021       if (!VecOp.hasOneUse())  in visitEXTRACT_VECTOR_ELT()
20024       VecOp = VecOp.getOperand(0);  in visitEXTRACT_VECTOR_ELT()
20026     if (ISD::isNormalLoad(VecOp.getNode())) {  in visitEXTRACT_VECTOR_ELT()
20027       LN0 = cast<LoadSDNode>(VecOp);  in visitEXTRACT_VECTOR_ELT()
20031   } else if (VecOp.getOpcode() == ISD::CONCAT_VECTORS && !BCNumEltsChanged &&  in visitEXTRACT_VECTOR_ELT()
20035                   VecOp.getOperand(0).getValueType().getVectorElementType()))) {  in visitEXTRACT_VECTOR_ELT()
20045     EVT ConcatVT = VecOp.getOperand(0).getValueType();  in visitEXTRACT_VECTOR_ELT()
20050     SDValue ConcatOp = VecOp.getOperand(Elt / ConcatNumElts);  in visitEXTRACT_VECTOR_ELT()