13028 struct NodeExtensionHelper {  struct
13174       SDNode * /*Root*/, const NodeExtensionHelper & /*LHS*/,
13175       const NodeExtensionHelper & /*RHS*/, SelectionDAG &,
13297   NodeExtensionHelper(SDNode *Root, unsigned OperandIdx, SelectionDAG &DAG,  in NodeExtensionHelper()  argument
13408   NodeExtensionHelper LHS;
13410   NodeExtensionHelper RHS;
13413                 const NodeExtensionHelper &LHS, std::optional<bool> SExtLHS,  in CombineResult()
13414                 const NodeExtensionHelper &RHS, std::optional<bool> SExtRHS)  in CombineResult()
13425         NodeExtensionHelper::getMaskAndVL(Root, DAG, Subtarget);  in materialize()
13454 canFoldToVWWithSameExtensionImpl(SDNode *Root, const NodeExtensionHelper &LHS,  in canFoldToVWWithSameExtensionImpl()
13455                                  const NodeExtensionHelper &RHS, bool AllowSExt,  in canFoldToVWWithSameExtensionImpl()
13463     return CombineResult(NodeExtensionHelper::getSameExtensionOpcode(  in canFoldToVWWithSameExtensionImpl()
13467     return CombineResult(NodeExtensionHelper::getSameExtensionOpcode(  in canFoldToVWWithSameExtensionImpl()
13481 canFoldToVWWithSameExtension(SDNode *Root, const NodeExtensionHelper &LHS,  in canFoldToVWWithSameExtension()
13482                              const NodeExtensionHelper &RHS, SelectionDAG &DAG,  in canFoldToVWWithSameExtension()
13493 canFoldToVW_W(SDNode *Root, const NodeExtensionHelper &LHS,  in canFoldToVW_W()
13494               const NodeExtensionHelper &RHS, SelectionDAG &DAG,  in canFoldToVW_W()
13505         NodeExtensionHelper::getWOpcode(Root->getOpcode(), /*IsSExt=*/false),  in canFoldToVW_W()
13509         NodeExtensionHelper::getWOpcode(Root->getOpcode(), /*IsSExt=*/true),  in canFoldToVW_W()
13519 canFoldToVWWithSEXT(SDNode *Root, const NodeExtensionHelper &LHS,  in canFoldToVWWithSEXT()
13520                     const NodeExtensionHelper &RHS, SelectionDAG &DAG,  in canFoldToVWWithSEXT()
13531 canFoldToVWWithZEXT(SDNode *Root, const NodeExtensionHelper &LHS,  in canFoldToVWWithZEXT()
13532                     const NodeExtensionHelper &RHS, SelectionDAG &DAG,  in canFoldToVWWithZEXT()
13543 canFoldToVW_SU(SDNode *Root, const NodeExtensionHelper &LHS,  in canFoldToVW_SU()
13544                const NodeExtensionHelper &RHS, SelectionDAG &DAG,  in canFoldToVW_SU()
13552   return CombineResult(NodeExtensionHelper::getSUOpcode(Root->getOpcode()),  in canFoldToVW_SU()
13556 SmallVector<NodeExtensionHelper::CombineToTry>
13557 NodeExtensionHelper::getSupportedFoldings(const SDNode *Root) {  in getSupportedFoldings()
13605   if (!NodeExtensionHelper::isSupportedRoot(N, DAG))  in combineBinOp_VLToVWBinOp_VL()
13616     if (!NodeExtensionHelper::isSupportedRoot(Root, DAG))  in combineBinOp_VLToVWBinOp_VL()
13619     NodeExtensionHelper LHS(N, 0, DAG, Subtarget);  in combineBinOp_VLToVWBinOp_VL()
13620     NodeExtensionHelper RHS(N, 1, DAG, Subtarget);  in combineBinOp_VLToVWBinOp_VL()
13622                                 &Inserted](const NodeExtensionHelper &Op) {  in combineBinOp_VLToVWBinOp_VL()
13636     SmallVector<NodeExtensionHelper::CombineToTry> FoldingStrategies =  in combineBinOp_VLToVWBinOp_VL()
13637         NodeExtensionHelper::getSupportedFoldings(N);  in combineBinOp_VLToVWBinOp_VL()
13642          (Attempt != 1 + NodeExtensionHelper::isCommutative(N)) && !Matched;  in combineBinOp_VLToVWBinOp_VL()
13645       for (NodeExtensionHelper::CombineToTry FoldingStrategy :  in combineBinOp_VLToVWBinOp_VL()