14240 enum ExtKind : uint8_t { ZExt = 1 << 0, SExt = 1 << 1, FPExt = 1 << 2 };  enum
14305   unsigned getExtOpc(ExtKind SupportsExt) const {  in getExtOpc()
14307     case ExtKind::SExt:  in getExtOpc()
14309     case ExtKind::ZExt:  in getExtOpc()
14311     case ExtKind::FPExt:  in getExtOpc()
14322                                 std::optional<ExtKind> SupportsExt) const {  in getOrCreateExtendedOp()
14369   static MVT getNarrowType(const SDNode *Root, ExtKind SupportsExt) {  in getNarrowType()
14375     MVT EltVT = SupportsExt == ExtKind::FPExt  in getNarrowType()
14379     assert((int)NarrowSize >= (SupportsExt == ExtKind::FPExt ? 16 : 8) &&  in getNarrowType()
14461   static unsigned getWOpcode(unsigned Opcode, ExtKind SupportsExt) {  in getWOpcode()
14466       return SupportsExt == ExtKind::SExt ? RISCVISD::VWADD_W_VL  in getWOpcode()
14470       return SupportsExt == ExtKind::SExt ? RISCVISD::VWSUB_W_VL  in getWOpcode()
14750   std::optional<ExtKind> LHSExt;
14751   std::optional<ExtKind> RHSExt;
14760                 const NodeExtensionHelper &LHS, std::optional<ExtKind> LHSExt,  in CombineResult()
14761                 const NodeExtensionHelper &RHS, std::optional<ExtKind> RHSExt)  in CombineResult()
14807   if ((AllowExtMask & ExtKind::ZExt) && LHS.SupportsZExt && RHS.SupportsZExt)  in canFoldToVWWithSameExtensionImpl()
14809                          Root, LHS, /*LHSExt=*/{ExtKind::ZExt}, RHS,  in canFoldToVWWithSameExtensionImpl()
14810                          /*RHSExt=*/{ExtKind::ZExt});  in canFoldToVWWithSameExtensionImpl()
14811   if ((AllowExtMask & ExtKind::SExt) && LHS.SupportsSExt && RHS.SupportsSExt)  in canFoldToVWWithSameExtensionImpl()
14813                          Root, LHS, /*LHSExt=*/{ExtKind::SExt}, RHS,  in canFoldToVWWithSameExtensionImpl()
14814                          /*RHSExt=*/{ExtKind::SExt});  in canFoldToVWWithSameExtensionImpl()
14815   if ((AllowExtMask & ExtKind::FPExt) && LHS.SupportsFPExt && RHS.SupportsFPExt)  in canFoldToVWWithSameExtensionImpl()
14817                          Root, LHS, /*LHSExt=*/{ExtKind::FPExt}, RHS,  in canFoldToVWWithSameExtensionImpl()
14818                          /*RHSExt=*/{ExtKind::FPExt});  in canFoldToVWWithSameExtensionImpl()
14833       Root, LHS, RHS, ExtKind::ZExt | ExtKind::SExt | ExtKind::FPExt, DAG,  in canFoldToVWWithSameExtension()
14847         NodeExtensionHelper::getWOpcode(Root->getOpcode(), ExtKind::FPExt),  in canFoldToVW_W()
14848         Root, LHS, /*LHSExt=*/std::nullopt, RHS, /*RHSExt=*/{ExtKind::FPExt});  in canFoldToVW_W()
14856         NodeExtensionHelper::getWOpcode(Root->getOpcode(), ExtKind::ZExt), Root,  in canFoldToVW_W()
14857         LHS, /*LHSExt=*/std::nullopt, RHS, /*RHSExt=*/{ExtKind::ZExt});  in canFoldToVW_W()
14860         NodeExtensionHelper::getWOpcode(Root->getOpcode(), ExtKind::SExt), Root,  in canFoldToVW_W()
14861         LHS, /*LHSExt=*/std::nullopt, RHS, /*RHSExt=*/{ExtKind::SExt});  in canFoldToVW_W()
14873   return canFoldToVWWithSameExtensionImpl(Root, LHS, RHS, ExtKind::SExt, DAG,  in canFoldToVWWithSEXT()
14885   return canFoldToVWWithSameExtensionImpl(Root, LHS, RHS, ExtKind::ZExt, DAG,  in canFoldToVWWithZEXT()
14897   return canFoldToVWWithSameExtensionImpl(Root, LHS, RHS, ExtKind::FPExt, DAG,  in canFoldToVWWithFPEXT()
14913                        Root, LHS, /*LHSExt=*/{ExtKind::SExt}, RHS,  in canFoldToVW_SU()
14914                        /*RHSExt=*/{ExtKind::ZExt});  in canFoldToVW_SU()