[JitDiff X64] [EgorBo] constant fold string.concat

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Job completed in 7 minutes 44 seconds (remote runner delay: 0 seconds).
dotnet/runtime#127655

Main commit: dotnet/runtime@0a017ff
PR commit: EgorBo/runtime-1@3cb710c

Diffs

Diffs

Found 142 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 46277564
Total bytes of diff: 46300070
Total bytes of delta: 22506 (0.05 % of base)
Total relative delta: 187.16
    diff is a regression.
    relative diff is a regression.


Top file regressions (bytes):
        4430 : System.Private.DataContractSerialization.dasm (0.44 % of base)
        2400 : System.Private.Xml.Linq.dasm (1.14 % of base)
        1976 : System.Data.Common.dasm (0.12 % of base)
        1874 : System.Private.Xml.dasm (0.04 % of base)
        1606 : System.Private.CoreLib.dasm (0.02 % of base)
        1461 : Microsoft.Extensions.Logging.Debug.dasm (11.85 % of base)
        1259 : System.IO.Ports.dasm (2.52 % of base)
        1061 : ILCompiler.Reflection.ReadyToRun.dasm (0.33 % of base)
         767 : Microsoft.VisualBasic.Core.dasm (0.15 % of base)
         576 : System.CodeDom.dasm (0.27 % of base)
         548 : System.Formats.Tar.dasm (0.35 % of base)
         495 : System.Security.Cryptography.Xml.dasm (0.23 % of base)
         489 : System.Net.Mail.dasm (0.28 % of base)
         444 : System.Configuration.ConfigurationManager.dasm (0.11 % of base)
         438 : Microsoft.Extensions.Configuration.Json.dasm (8.23 % of base)
         378 : System.Linq.Expressions.dasm (0.04 % of base)
         328 : System.Net.NameResolution.dasm (0.54 % of base)
         238 : System.IO.FileSystem.Watcher.dasm (0.63 % of base)
         236 : System.IO.Pipes.dasm (0.57 % of base)
         236 : System.IO.Compression.ZipFile.dasm (0.61 % of base)
         236 : System.IO.MemoryMappedFiles.dasm (1.09 % of base)
         236 : System.IO.FileSystem.DriveInfo.dasm (0.72 % of base)
         235 : System.Console.dasm (0.28 % of base)
         211 : System.Net.WebSockets.dasm (0.13 % of base)
         130 : System.ComponentModel.Composition.dasm (0.03 % of base)
          60 : System.Net.Quic.dasm (0.04 % of base)
          54 : System.Reflection.MetadataLoadContext.dasm (0.02 % of base)
          46 : System.Diagnostics.DiagnosticSource.dasm (0.01 % of base)
          22 : System.Net.Requests.dasm (0.01 % of base)
          14 : System.Composition.Runtime.dasm (0.08 % of base)
          14 : System.Net.Primitives.dasm (0.01 % of base)
          13 : System.Reflection.Context.dasm (0.02 % of base)
          13 : System.Diagnostics.Process.dasm (0.01 % of base)
          12 : System.ComponentModel.Annotations.dasm (0.02 % of base)
          11 : System.ServiceModel.Syndication.dasm (0.01 % of base)
          10 : System.Security.Cryptography.Cose.dasm (0.01 % of base)
           9 : System.Data.Odbc.dasm (0.00 % of base)
           8 : System.Threading.Channels.dasm (0.00 % of base)
           6 : System.IO.Packaging.dasm (0.01 % of base)
           6 : System.Security.Claims.dasm (0.03 % of base)
           6 : System.Reflection.Metadata.dasm (0.00 % of base)
           6 : Microsoft.Extensions.DependencyModel.dasm (0.01 % of base)
           5 : System.ComponentModel.TypeConverter.dasm (0.00 % of base)
           3 : System.Security.Cryptography.dasm (0.00 % of base)
           2 : System.Composition.Hosting.dasm (0.00 % of base)
           2 : System.Web.HttpUtility.dasm (0.01 % of base)
           2 : System.ComponentModel.Primitives.dasm (0.01 % of base)
           2 : System.Reflection.Emit.dasm (0.00 % of base)
           1 : System.Runtime.Serialization.Schema.dasm (0.00 % of base)
           1 : System.Resources.Extensions.dasm (0.00 % of base)
           1 : System.Text.Json.dasm (0.00 % of base)
           1 : Microsoft.Extensions.Hosting.dasm (0.00 % of base)
           1 : System.Net.Http.dasm (0.00 % of base)
           1 : System.Transactions.Local.dasm (0.00 % of base)

Top file improvements (bytes):
         -81 : System.Net.Security.dasm (-0.03 % of base)
         -25 : System.Net.Sockets.dasm (-0.01 % of base)
          -7 : Microsoft.Extensions.FileSystemGlobbing.dasm (-0.02 % of base)
          -1 : System.Net.HttpListener.dasm (-0.00 % of base)

58 total files with Code Size differences (4 improved, 54 regressed), 202 unchanged.

Top method regressions (bytes):
         707 (37.71 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.MetadataNameFormatter:EmitMemberReferenceName(System.Reflection.Metadata.MemberReferenceHandle,System.String,System.String):System.String:this (FullOpts)
         440 (49.00 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadStartElement():this (FullOpts)
         436 (21.57 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:Read():bool:this (FullOpts)
         427 (55.53 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadDeclaration():this (FullOpts)
         358 (22.14 % of base) : System.IO.Ports.dasm - System.IO.Ports.SerialStream:FinishPendingIORequests(System.Nullable`1[Interop+ErrorInfo]):this (FullOpts)
         358 (15.79 % of base) : System.Net.NameResolution.dasm - System.Net.Dns:GetHostEntryOrAddressesCore(System.String,bool,int,System.Nullable`1[System.Net.NameResolutionActivity]):System.Object (FullOpts)
         316 (14.48 % of base) : System.IO.Ports.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         311 (144.65 % of base) : System.Formats.Tar.dasm - System.Formats.Tar.TarHeader:TryReadAttributes(int,System.ReadOnlySpan`1[byte],System.IO.Stream):System.Formats.Tar.TarHeader (FullOpts)
         302 (22.71 % of base) : System.Private.CoreLib.dasm - System.Reflection.CustomAttributeData:ToString():System.String:this (FullOpts)
         291 (409.86 % of base) : System.Data.Common.dasm - System.Data.DataColumnCollection:AssignName():System.String:this (FullOpts)
         285 (2,192.31 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteRaw(System.String):this (FullOpts)
         285 (2,192.31 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteString(System.String):this (FullOpts)
         285 (2,192.31 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteWhitespace(System.String):this (FullOpts)
         274 (761.11 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteChars(char[],int,int):this (FullOpts)
         274 (761.11 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteRaw(char[],int,int):this (FullOpts)
         269 (60.72 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.DebugViewWriter:VisitIndex(System.Linq.Expressions.IndexExpression):System.Linq.Expressions.Expression:this (FullOpts)
         266 (14.07 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationWriterCodeGen:WritePrimitive(System.String,System.String,System.String,System.Object,System.String,System.Xml.Serialization.TypeMapping,bool,bool,bool):this (FullOpts)
         263 (139.15 % of base) : System.IO.Ports.dasm - System.IO.Ports.SerialStream:GetLastIOError():System.Exception (FullOpts)
         258 (30.07 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadArray():this (FullOpts)
         258 (27.83 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsInt():int:this (FullOpts)
         256 (419.67 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteCharEntity(char):this (FullOpts)
         248 (7.83 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadAttributes():this (FullOpts)
         247 (9.66 % of base) : System.Security.Cryptography.Xml.dasm - System.Security.Cryptography.Xml.CanonicalXmlElement:Write(System.Text.StringBuilder,int,System.Security.Cryptography.Xml.AncestralNamespaceContextManager):this (FullOpts)
         247 (9.55 % of base) : System.Security.Cryptography.Xml.dasm - System.Security.Cryptography.Xml.CanonicalXmlElement:WriteHash(System.Security.Cryptography.HashAlgorithm,int,System.Security.Cryptography.Xml.AncestralNamespaceContextManager):this (FullOpts)
         243 (379.69 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteSurrogateCharEntity(char,char):this (FullOpts)
         243 (74.77 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteValue(System.DateTimeOffset):this (FullOpts)
         240 (130.43 % of base) : System.Data.Common.dasm - System.Data.ConstraintCollection:UnregisterName(System.String):this (FullOpts)
         239 (64.42 % of base) : System.Data.Common.dasm - System.Data.DataRelationCollection:UnregisterName(System.String):this (FullOpts)
         236 (11.80 % of base) : System.IO.Pipes.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.Formats.Tar.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.Private.CoreLib.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.IO.FileSystem.Watcher.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.IO.Compression.ZipFile.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.IO.MemoryMappedFiles.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.Console.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (11.80 % of base) : System.IO.FileSystem.DriveInfo.dasm - Interop:GetExceptionForIoErrno(Interop+ErrorInfo,System.String,bool):System.Exception (FullOpts)
         236 (35.49 % of base) : System.IO.Ports.dasm - System.IO.Ports.SerialStream:ProcessWrite(System.IO.Ports.SerialStream+SerialStreamIORequest):int:this (FullOpts)
         234 (56.39 % of base) : System.Data.Common.dasm - System.Data.DataColumnCollection:RegisterColumnName(System.String,System.Data.DataColumn):this (FullOpts)
         226 (93.00 % of base) : System.Data.Common.dasm - System.Data.DataColumnCollection:UnregisterName(System.String):this (FullOpts)
         221 (34.05 % of base) : Microsoft.Extensions.Configuration.Json.dasm - Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser:VisitArrayElement(System.Text.Json.JsonElement):this (FullOpts)
         219 (17.45 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadEndElement():this (FullOpts)
         217 (30.65 % of base) : Microsoft.Extensions.Configuration.Json.dasm - Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser:VisitObjectElement(System.Text.Json.JsonElement):this (FullOpts)
         215 (29.21 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadCData():this (FullOpts)
         212 (16.13 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadComment():this (FullOpts)
         210 (8.00 % of base) : System.Net.WebSockets.dasm - System.Net.WebSockets.ManagedWebSocket:CloseAsyncPrivate(int,System.String,System.Threading.CancellationToken):this (FullOpts)
         205 (10.64 % of base) : System.Private.CoreLib.dasm - System.Exception:.ctor(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext):this (FullOpts)
         181 (1,392.31 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:DebugWriteLine(System.String,System.String) (FullOpts)
         178 (35.81 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XContainer:ContentsEqual(System.Xml.Linq.XContainer):bool:this (FullOpts)
         177 (48.10 % of base) : System.Data.Common.dasm - System.Data.DataTableCollection:UnregisterName(System.String):this (FullOpts)
         175 (53.19 % of base) : System.Net.Mail.dasm - System.Net.Mail.SmtpClient:ValidateUnicodeRequirement(System.Net.Mail.MailMessage,System.Net.Mail.MailAddressCollection,bool) (FullOpts)
         172 (6.47 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReaderCodeGen:WriteEnumMethod(System.Xml.Serialization.EnumMapping):this (FullOpts)
         172 (24.57 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsBoolean():bool:this (FullOpts)
         168 (20.02 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsString():System.String:this (FullOpts)
         163 (41.90 % of base) : System.Private.CoreLib.dasm - System.Environment:CheckedSysConf(int):int (FullOpts)
         163 (6.40 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReaderCodeGen:GetArraySource(System.Xml.Serialization.TypeDesc,System.String,bool):System.String:this (FullOpts)
         160 (11.10 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[byte](int,Microsoft.Extensions.Logging.EventId,byte,System.Exception,System.Func`3[byte,System.Exception,System.String]):this (FullOpts)
         160 (11.03 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[double](int,Microsoft.Extensions.Logging.EventId,double,System.Exception,System.Func`3[double,System.Exception,System.String]):this (FullOpts)
         160 (11.10 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[int](int,Microsoft.Extensions.Logging.EventId,int,System.Exception,System.Func`3[int,System.Exception,System.String]):this (FullOpts)
         160 (11.10 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[long](int,Microsoft.Extensions.Logging.EventId,long,System.Exception,System.Func`3[long,System.Exception,System.String]):this (FullOpts)
         160 (11.10 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[short](int,Microsoft.Extensions.Logging.EventId,short,System.Exception,System.Func`3[short,System.Exception,System.String]):this (FullOpts)
         160 (11.21 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[System.__Canon](int,Microsoft.Extensions.Logging.EventId,System.__Canon,System.Exception,System.Func`3[System.__Canon,System.__Canon,System.__Canon]):this (FullOpts)
         160 (10.88 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[System.Nullable`1[int]](int,Microsoft.Extensions.Logging.EventId,System.Nullable`1[int],System.Exception,System.Func`3[System.Nullable`1[int],System.Exception,System.String]):this (FullOpts)
         160 (11.13 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:Log[System.Numerics.Vector`1[float]](int,Microsoft.Extensions.Logging.EventId,System.Numerics.Vector`1[float],System.Exception,System.Func`3[System.Numerics.Vector`1[float],System.Exception,System.String]):this (FullOpts)
         152 (28.31 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson:WriteTypeInfo(System.Runtime.Serialization.XmlWriterDelegator,System.Runtime.Serialization.DataContracts.DataContract,System.Runtime.Serialization.DataContracts.DataContract):bool:this (FullOpts)
         151 (6.46 % of base) : System.CodeDom.dasm - Microsoft.CSharp.CSharpCodeGenerator:GetBaseTypeOutput(System.CodeDom.CodeTypeReference,bool):System.String:this (FullOpts)
         139 (134.95 % of base) : System.Data.Common.dasm - System.Data.DataTableCollection:AssignName():System.String:this (FullOpts)
         136 (119.30 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetFileNotFoundException(System.String,System.String,System.String[]):System.IO.FileNotFoundException (FullOpts)
         136 (151.11 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetIOException(System.String,System.String[]):System.IO.IOException (FullOpts)
         135 (110.66 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetArgumentExceptionWithArgName(System.String,System.String,System.String[]):System.ArgumentException (FullOpts)
         135 (43.27 % of base) : System.Net.Mail.dasm - System.Net.Mail.MailAddress:Encode(int,bool):System.String:this (FullOpts)
         133 (86.36 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetArgumentNullException(System.String,System.String,System.String[]):System.ArgumentNullException (FullOpts)
         131 (9.57 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.FileIO.FileSystem:CopyOrMoveDirectoryNode(int,Microsoft.VisualBasic.FileIO.FileSystem+DirectoryNode,bool,System.Collections.Specialized.ListDictionary) (FullOpts)
         127 (11.85 % of base) : System.Data.Common.dasm - System.Data.ProviderBase.SchemaMapping:GetMappedValues():System.Object[]:this (FullOpts)
         124 (93.94 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetDirectoryNotFoundException(System.String,System.String[]):System.IO.DirectoryNotFoundException (FullOpts)
         124 (93.94 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetInvalidOperationException(System.String,System.String[]):System.InvalidOperationException (FullOpts)
         119 (517.39 % of base) : System.Private.Xml.dasm - MS.Internal.Xml.Cache.XPathDocumentBuilder:WriteString(System.String,int):this (FullOpts)
         115 (25.61 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.XsltOld.Compiler:CompileAvt(System.String,byref):System.Collections.ArrayList:this (FullOpts)
         101 (150.75 % of base) : System.CodeDom.dasm - Microsoft.VisualBasic.VBCodeGenerator:OutputIdentifier(System.String):this (FullOpts)
          96 (3.89 % of base) : System.CodeDom.dasm - Microsoft.VisualBasic.VBCodeGenerator:GetBaseTypeOutput(System.CodeDom.CodeTypeReference,bool):System.String:this (FullOpts)
          95 (4.49 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReaderCodeGen+Member:.ctor(System.Xml.Serialization.XmlSerializationReaderCodeGen,System.String,System.String,System.String,int,System.Xml.Serialization.MemberMapping,bool,System.String):this (FullOpts)
          93 (42.47 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteIf(bool,byref,System.String) (FullOpts)
          93 (42.47 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteLineIf(bool,byref,System.String) (FullOpts)
          91 (12.36 % of base) : System.Data.Common.dasm - System.Data.DataView:System.ComponentModel.IBindingListView.ApplySort(System.ComponentModel.ListSortDescriptionCollection):this (FullOpts)
          90 (22.06 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsDateTime():System.DateTime:this (FullOpts)
          90 (22.06 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsTimeSpan():System.TimeSpan:this (FullOpts)
          90 (22.06 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsUniqueId():System.Xml.UniqueId:this (FullOpts)
          88 (47.06 % of base) : System.Data.Common.dasm - System.Data.Common.DataAdapter:FillMappingInternal(System.Data.DataSet,System.Data.DataTable,System.String,System.Data.ProviderBase.DataReaderContainer,int,System.Data.DataColumn,System.Object):System.Data.ProviderBase.SchemaMapping:this (FullOpts)
          88 (1.16 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationWriterCodeGen:WriteElement(System.String,System.Xml.Serialization.ElementAccessor,System.String,bool):this (FullOpts)
          86 (9.23 % of base) : System.IO.Ports.dasm - System.IO.Ports.SerialStream:ProcessRead(System.IO.Ports.SerialStream+SerialStreamIORequest):int:this (FullOpts)
          86 (3.71 % of base) : System.Net.Quic.dasm - System.Net.Quic.ThrowHelper:<GetExceptionForMsQuicStatus>g__GetExceptionInternal|4_0(int,System.Nullable`1[long],System.String):System.Exception (FullOpts)
          86 (0.95 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationWriterCodeGen:WriteStructMethod(System.Xml.Serialization.StructMapping):this (FullOpts)
          86 (20.24 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsDecimal():System.Decimal:this (FullOpts)
          86 (20.67 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsDouble():double:this (FullOpts)
          86 (20.67 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsFloat():float:this (FullOpts)
          86 (20.24 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsGuid():System.Guid:this (FullOpts)
          85 (20.78 % of base) : System.Net.Mail.dasm - System.Net.Mail.MailCommand:PrepareCommand(System.Net.Mail.SmtpConnection,System.ReadOnlySpan`1[byte],System.Net.Mail.MailAddress,bool) (FullOpts)
          84 (20.64 % of base) : System.CodeDom.dasm - Microsoft.CSharp.CSharpCodeGenerator:GenerateNamespaceStart(System.CodeDom.CodeNamespace):this (FullOpts)
          80 (8.73 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.ReflectionAwareCodeGen:GetStringForMember(System.String,System.String,System.Xml.Serialization.TypeDesc):System.String:this (FullOpts)
          79 (11.77 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.ReflectionAwareCodeGen:GetStringForCreateInstance(System.String,bool,bool,bool,System.String):System.String:this (FullOpts)
          76 (133.33 % of base) : System.Net.Mail.dasm - System.Net.Mail.MailAddress:GetSmtpAddress(bool):System.String:this (FullOpts)

Top method improvements (bytes):
        -140 (-1.65 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadNode():bool:this (FullOpts)
        -111 (-27.61 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:FieldToString(System.Reflection.FieldInfo):System.String (FullOpts)
         -74 (-3.78 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationILGen:GenerateSerializerContract(System.Xml.Serialization.XmlMapping[],System.Type[],System.String,System.String[],System.String,System.String[],System.Collections.Generic.Dictionary`2[System.String,System.String]):this (FullOpts)
         -73 (-5.77 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:MethodToString(System.Reflection.MethodBase):System.String (FullOpts)
         -58 (-1.22 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.Json.XmlJsonReader:Read():bool:this (FullOpts)
         -48 (-1.24 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationWriterCodeGen:WriteEnumAndArrayTypes():this (FullOpts)
         -45 (-3.14 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReaderCodeGen:WriteCreateCollection(System.Xml.Serialization.TypeDesc,System.String):this (FullOpts)
         -40 (-8.11 % of base) : System.Private.CoreLib.dasm - System.String:Concat(System.String,System.String,System.String,System.String):System.String (FullOpts)
         -37 (-6.72 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.HttpHeaders:ParseSingleRawHeaderValue(System.Net.Http.Headers.HttpHeaders+HeaderStoreItemInfo,System.Net.Http.Headers.HeaderDescriptor,System.String) (FullOpts)
         -35 (-5.15 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.ContractHelper:GetFailureMessage(int,System.String):System.String (FullOpts)
         -34 (-10.56 % of base) : System.Data.Common.dasm - System.Data.SimpleType:IsPlainString():bool:this (FullOpts)
         -25 (-4.84 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:ParameterToString(System.Reflection.ParameterInfo):System.String (FullOpts)
         -25 (-5.85 % of base) : System.Net.Security.dasm - System.Net.NegotiateAuthenticationPal+ManagedNtlmNegotiateAuthenticationPal:Create(System.Net.Security.NegotiateAuthenticationClientOptions):System.Net.NegotiateAuthenticationPal (FullOpts)
         -25 (-7.86 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketPal:Accept(System.Net.Sockets.SafeSocketHandle,System.Memory`1[byte],byref,byref):int (FullOpts)
         -25 (-4.05 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketPal:CreateSocket(int,int,int,byref):int (FullOpts)
         -24 (-6.65 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.XmlQueryType:QNameToString(System.Xml.XmlQualifiedName):System.String (FullOpts)
         -22 (-3.02 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:PropertyToString(System.Reflection.PropertyInfo):System.String (FullOpts)
         -19 (-1.59 % of base) : System.Private.CoreLib.dasm - System.Globalization.DateTimeFormatInfoScanner:AddDateWordOrPostfix(System.String,System.String):this (FullOpts)
         -19 (-9.55 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketPal:CreateSocket(nint):System.Net.Sockets.SafeSocketHandle (FullOpts)
         -18 (-1.98 % of base) : System.Net.Security.dasm - System.Net.CertificateValidationPal:EnsureStoreOpened(bool):System.Security.Cryptography.X509Certificates.X509Store (FullOpts)
         -18 (-4.38 % of base) : System.Net.NameResolution.dasm - System.Net.Dns:GetHostName():System.String (FullOpts)
         -16 (-2.32 % of base) : System.Private.CoreLib.dasm - System.Globalization.DateTimeFormatInfoScanner:ScanDateWord(System.String):this (FullOpts)
         -13 (-2.41 % of base) : System.Net.NameResolution.dasm - System.Net.Dns:EndResolve(System.IAsyncResult):System.Net.IPHostEntry (FullOpts)
         -13 (-4.04 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.HeaderUtilities:GetQuality(System.Net.Http.Headers.UnvalidatedObjectCollection`1[System.Net.Http.Headers.NameValueHeaderValue]):System.Nullable`1[double] (FullOpts)
         -10 (-0.18 % of base) : System.Net.Quic.dasm - System.Net.Quic.MsQuicApi:.cctor() (FullOpts)
         -10 (-1.19 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicConnection:NativeCallback(ptr,ptr,ptr):int (FullOpts)
         -10 (-1.19 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicListener:NativeCallback(ptr,ptr,ptr):int (FullOpts)
         -10 (-1.19 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicStream:NativeCallback(ptr,ptr,ptr):int (FullOpts)
         -10 (-1.31 % of base) : System.Net.Security.dasm - System.Net.Security.SslSessionsCache:<CacheCredential>g__ShrinkCredentialCache|5_0() (FullOpts)
         -10 (-0.62 % of base) : System.Net.Security.dasm - System.Net.Security.SslSessionsCache:CacheCredential(System.Net.Security.SafeFreeCredentials,byte[],int,bool,int,bool,bool,bool,bool,bool) (FullOpts)
         -10 (-1.05 % of base) : System.Net.Security.dasm - System.Net.Security.SslSessionsCache:TryCachedCredential(byte[],int,bool,int,bool,bool,bool,bool,bool):System.Net.Security.SafeFreeCredentials (FullOpts)
          -9 (-1.95 % of base) : System.Net.Security.dasm - Interop+OpenSsl:GetDefaultSignatureAlgorithms():System.String[] (FullOpts)
          -6 (-8.45 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReader:ReadString(System.String):System.String:this (FullOpts)
          -4 (-3.42 % of base) : Microsoft.Extensions.FileSystemGlobbing.dasm - Microsoft.Extensions.FileSystemGlobbing.Internal.PatternContexts.PatternContextLinear:CalculateStem(Microsoft.Extensions.FileSystemGlobbing.Abstractions.FileInfoBase):System.String:this (FullOpts)
          -4 (-3.39 % of base) : Microsoft.Extensions.FileSystemGlobbing.dasm - Microsoft.Extensions.FileSystemGlobbing.Internal.PatternContexts.PatternContextRagged:CalculateStem(Microsoft.Extensions.FileSystemGlobbing.Abstractions.FileInfoBase):System.String:this (FullOpts)
          -2 (-2.60 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.Interpreter.EnterTryCatchFinallyInstruction:ToString():System.String:this (FullOpts)
          -2 (-0.10 % of base) : System.Net.Security.dasm - System.Net.Security.SslStreamCertificateContext:Create(System.Security.Cryptography.X509Certificates.X509Certificate2,System.Security.Cryptography.X509Certificates.X509Certificate2Collection,bool,System.Net.Security.SslCertificateTrust,bool):System.Net.Security.SslStreamCertificateContext (FullOpts)
          -2 (-3.51 % of base) : System.Net.HttpListener.dasm - System.Net.ServiceNameStore:BuildSimpleServiceName(System.String):System.String (FullOpts)
          -2 (-1.96 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Ecma.EcmaSignatureTypeProviderForToString:GetGenericMethodParameter(System.Reflection.TypeLoading.TypeContext,int):System.String:this (FullOpts)
          -2 (-1.96 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Ecma.EcmaSignatureTypeProviderForToString:GetGenericTypeParameter(System.Reflection.TypeLoading.TypeContext,int):System.String:this (FullOpts)
          -2 (-3.64 % of base) : System.Console.dasm - System.TermInfo+DatabaseFactory:get_HomeTermInfoLocation():System.String (FullOpts)
          -2 (-3.08 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.ReflectionAwareILGen:GetQuotedCSharpString(System.String):System.String (FullOpts)
          -1 (-1.30 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.ReflectionAwareCodeGen:GetStringForEnumMember(System.String,System.String,bool):System.String:this (FullOpts)

Top method regressions (percentages):
         285 (2,192.31 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteRaw(System.String):this (FullOpts)
         285 (2,192.31 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteString(System.String):this (FullOpts)
         285 (2,192.31 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteWhitespace(System.String):this (FullOpts)
         181 (1,392.31 % of base) : Microsoft.Extensions.Logging.Debug.dasm - Microsoft.Extensions.Logging.Debug.DebugLogger:DebugWriteLine(System.String,System.String) (FullOpts)
         274 (761.11 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteChars(char[],int,int):this (FullOpts)
         274 (761.11 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteRaw(char[],int,int):this (FullOpts)
         119 (517.39 % of base) : System.Private.Xml.dasm - MS.Internal.Xml.Cache.XPathDocumentBuilder:WriteString(System.String,int):this (FullOpts)
         256 (419.67 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteCharEntity(char):this (FullOpts)
         291 (409.86 % of base) : System.Data.Common.dasm - System.Data.DataColumnCollection:AssignName():System.String:this (FullOpts)
         243 (379.69 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteSurrogateCharEntity(char,char):this (FullOpts)
          72 (288.00 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteIf(bool,System.String,System.String) (FullOpts)
          72 (288.00 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteLineIf(bool,System.String,System.String) (FullOpts)
         136 (151.11 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetIOException(System.String,System.String[]):System.IO.IOException (FullOpts)
         101 (150.75 % of base) : System.CodeDom.dasm - Microsoft.VisualBasic.VBCodeGenerator:OutputIdentifier(System.String):this (FullOpts)
         311 (144.65 % of base) : System.Formats.Tar.dasm - System.Formats.Tar.TarHeader:TryReadAttributes(int,System.ReadOnlySpan`1[byte],System.IO.Stream):System.Formats.Tar.TarHeader (FullOpts)
         263 (139.15 % of base) : System.IO.Ports.dasm - System.IO.Ports.SerialStream:GetLastIOError():System.Exception (FullOpts)
         139 (134.95 % of base) : System.Data.Common.dasm - System.Data.DataTableCollection:AssignName():System.String:this (FullOpts)
          74 (134.55 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:Write(System.Object,System.String) (FullOpts)
          74 (134.55 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteLine(System.Object,System.String) (FullOpts)
          76 (133.33 % of base) : System.Net.Mail.dasm - System.Net.Mail.MailAddress:GetSmtpAddress(bool):System.String:this (FullOpts)
         240 (130.43 % of base) : System.Data.Common.dasm - System.Data.ConstraintCollection:UnregisterName(System.String):this (FullOpts)
         136 (119.30 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetFileNotFoundException(System.String,System.String,System.String[]):System.IO.FileNotFoundException (FullOpts)
         135 (110.66 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetArgumentExceptionWithArgName(System.String,System.String,System.String[]):System.ArgumentException (FullOpts)
          74 (105.71 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteIf(bool,System.Object,System.String) (FullOpts)
          74 (105.71 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteLineIf(bool,System.Object,System.String) (FullOpts)
         124 (93.94 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetDirectoryNotFoundException(System.String,System.String[]):System.IO.DirectoryNotFoundException (FullOpts)
         124 (93.94 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetInvalidOperationException(System.String,System.String[]):System.InvalidOperationException (FullOpts)
         226 (93.00 % of base) : System.Data.Common.dasm - System.Data.DataColumnCollection:UnregisterName(System.String):this (FullOpts)
         133 (86.36 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.ExceptionUtils:GetArgumentNullException(System.String,System.String,System.String[]):System.ArgumentNullException (FullOpts)
          67 (83.75 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanRawInfo:Init(System.Globalization.DateTimeFormatInfo):this (FullOpts)
          57 (75.00 % of base) : System.ComponentModel.Composition.dasm - System.ComponentModel.Composition.ReflectionModel.ReflectionProperty:GetDisplayName():System.String:this (FullOpts)
         243 (74.77 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XNodeBuilder:WriteValue(System.DateTimeOffset):this (FullOpts)
          31 (68.89 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.DebugViewWriter:GetDisplayName(System.String):System.String (FullOpts)
         239 (64.42 % of base) : System.Data.Common.dasm - System.Data.DataRelationCollection:UnregisterName(System.String):this (FullOpts)
          38 (64.41 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.Xslt.AttributeSet:GetDebugName():System.String:this (FullOpts)
         269 (60.72 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.DebugViewWriter:VisitIndex(System.Linq.Expressions.IndexExpression):System.Linq.Expressions.Expression:this (FullOpts)
         234 (56.39 % of base) : System.Data.Common.dasm - System.Data.DataColumnCollection:RegisterColumnName(System.String,System.Data.DataColumn):this (FullOpts)
         427 (55.53 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadDeclaration():this (FullOpts)
         175 (53.19 % of base) : System.Net.Mail.dasm - System.Net.Mail.SmtpClient:ValidateUnicodeRequirement(System.Net.Mail.MailMessage,System.Net.Mail.MailAddressCollection,bool) (FullOpts)
         440 (49.00 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadStartElement():this (FullOpts)
         177 (48.10 % of base) : System.Data.Common.dasm - System.Data.DataTableCollection:UnregisterName(System.String):this (FullOpts)
          88 (47.06 % of base) : System.Data.Common.dasm - System.Data.Common.DataAdapter:FillMappingInternal(System.Data.DataSet,System.Data.DataTable,System.String,System.Data.ProviderBase.DataReaderContainer,int,System.Data.DataColumn,System.Object):System.Data.ProviderBase.SchemaMapping:this (FullOpts)
           6 (46.15 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Operators:AddString(System.String,System.String):System.Object (FullOpts)
         135 (43.27 % of base) : System.Net.Mail.dasm - System.Net.Mail.MailAddress:Encode(int,bool):System.String:this (FullOpts)
          93 (42.47 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteIf(bool,byref,System.String) (FullOpts)
          93 (42.47 % of base) : System.Private.CoreLib.dasm - System.Diagnostics.Debug:WriteLineIf(bool,byref,System.String) (FullOpts)
          39 (42.39 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:VerifyWhitespace():this (FullOpts)
         163 (41.90 % of base) : System.Private.CoreLib.dasm - System.Environment:CheckedSysConf(int):int (FullOpts)
          65 (39.16 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.ReflectionServices:GetDisplayName(System.Reflection.MemberInfo):System.String (FullOpts)
         707 (37.71 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.MetadataNameFormatter:EmitMemberReferenceName(System.Reflection.Metadata.MemberReferenceHandle,System.String,System.String):System.String:this (FullOpts)
          18 (37.50 % of base) : System.Net.Requests.dasm - System.Net.ServicePointManager:MakeQueryString(System.Uri,bool):System.String (FullOpts)
         178 (35.81 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XContainer:ContentsEqual(System.Xml.Linq.XContainer):bool:this (FullOpts)
          42 (35.59 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadTextWithEndElement():this (FullOpts)
         236 (35.49 % of base) : System.IO.Ports.dasm - System.IO.Ports.SerialStream:ProcessWrite(System.IO.Ports.SerialStream+SerialStreamIORequest):int:this (FullOpts)
         221 (34.05 % of base) : Microsoft.Extensions.Configuration.Json.dasm - Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser:VisitArrayElement(System.Text.Json.JsonElement):this (FullOpts)
         217 (30.65 % of base) : Microsoft.Extensions.Configuration.Json.dasm - Microsoft.Extensions.Configuration.Json.JsonConfigurationFileParser:VisitObjectElement(System.Text.Json.JsonElement):this (FullOpts)
         258 (30.07 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadArray():this (FullOpts)
         215 (29.21 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlUTF8TextReader:ReadCData():this (FullOpts)
          42 (29.17 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:SkipArrayElements(int):this (FullOpts)
          18 (28.57 % of base) : System.Data.Common.dasm - System.Data.DataTable:ToString():System.String:this (FullOpts)
          10 (28.57 % of base) : System.Data.Common.dasm - System.Data.NewDiffgramGen:QualifiedName(System.String,System.String):System.String (FullOpts)
         152 (28.31 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.Json.XmlObjectSerializerWriteContextComplexJson:WriteTypeInfo(System.Runtime.Serialization.XmlWriterDelegator,System.Runtime.Serialization.DataContracts.DataContract,System.Runtime.Serialization.DataContracts.DataContract):bool:this (FullOpts)
          18 (28.12 % of base) : System.Data.Common.dasm - System.Data.SimpleType:QualifiedName(System.String):System.String (FullOpts)
          18 (28.12 % of base) : System.Data.Common.dasm - System.Data.XSDSchema:QualifiedName(System.String):System.String (FullOpts)
         258 (27.83 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsInt():int:this (FullOpts)
          10 (27.78 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Helpers:AppendTypeName(System.String,System.String):System.String (FullOpts)
          10 (27.78 % of base) : System.ServiceModel.Syndication.dasm - System.ServiceModel.Syndication.SyndicationFeedFormatter+XmlExceptionHelper:GetName(System.String,System.String):System.String (FullOpts)
          10 (27.78 % of base) : System.Private.Xml.dasm - System.Xml.ValidateNames:CreateName(System.String,System.String):System.String (FullOpts)
          10 (27.78 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlExceptionHelper:GetName(System.String,System.String):System.String (FullOpts)
          10 (27.78 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.Xslt.Compiler:ConstructQName(System.String,System.String):System.String (FullOpts)
          10 (27.78 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.Xslt.XsltInput+DelayedQName:op_Implicit(System.Xml.Xsl.Xslt.XsltInput+DelayedQName):System.String (FullOpts)
          20 (26.67 % of base) : System.Private.Xml.dasm - System.Xml.XmlLoader:ExpandEntity(System.Xml.XmlEntity):this (FullOpts)
          13 (26.53 % of base) : System.Composition.Runtime.dasm - System.Composition.Hosting.Core.CompositionContract+<>c:<ToString>b__14_0(System.Collections.Generic.KeyValuePair`2[System.String,System.Object]):System.String:this (FullOpts)
          10 (26.32 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.EntityTagHeaderValue:ToString():System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[byte]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[double]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[int]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[long]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[short]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[System.__Canon]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[System.Nullable`1[int]]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[System.Numerics.Vector`1[float]]:GetByReferenceType(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : System.ComponentModel.Annotations.dasm - System.ComponentModel.DataAnnotations.FileExtensionsAttribute+<>c:<get_ExtensionsParsed>b__10_0(System.String):System.String:this (FullOpts)
           6 (26.09 % of base) : System.Private.CoreLib.dasm - System.TimeZoneInfo:GetUtcFullDisplayName(System.String,System.String):System.String (FullOpts)
          67 (26.07 % of base) : System.Private.Xml.Linq.dasm - System.Xml.Linq.XContainer:ContentsHashCode():int:this (FullOpts)
          10 (25.64 % of base) : System.Private.Xml.dasm - System.Xml.Schema.XmlSchemaValidator:QNameString(System.String,System.String):System.String (FullOpts)
         115 (25.61 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.XsltOld.Compiler:CompileAvt(System.String,byref):System.Collections.ArrayList:this (FullOpts)
         172 (24.57 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadElementContentAsBoolean():bool:this (FullOpts)
          10 (24.39 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.Metrics.MetricsEventSource+MetricSpec:ToString():System.String:this (FullOpts)
          50 (23.70 % of base) : System.Configuration.ConfigurationManager.dasm - System.Configuration.ConfigurationSectionCollection:Remove(System.String):this (FullOpts)
          50 (23.70 % of base) : System.Configuration.ConfigurationManager.dasm - System.Configuration.ConfigurationSectionGroupCollection:Remove(System.String):this (FullOpts)
          10 (23.26 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.Xslt.XsltInput+Record:get_QualifiedName():System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.SignatureDecoder+TextTypeProvider:GetConstrainedMethod(System.String,System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[byte]:GetPinnedType(System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[byte]:GetPointerType(System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[byte]:GetSZArrayType(System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[double]:GetPinnedType(System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[double]:GetPointerType(System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[double]:GetSZArrayType(System.String):System.String:this (FullOpts)
           6 (23.08 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.StringTypeProviderBase`1[int]:GetPinnedType(System.String):System.String:this (FullOpts)

Top method improvements (percentages):
        -111 (-27.61 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:FieldToString(System.Reflection.FieldInfo):System.String (FullOpts)
         -34 (-10.56 % of base) : System.Data.Common.dasm - System.Data.SimpleType:IsPlainString():bool:this (FullOpts)
         -19 (-9.55 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketPal:CreateSocket(nint):System.Net.Sockets.SafeSocketHandle (FullOpts)
          -6 (-8.45 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReader:ReadString(System.String):System.String:this (FullOpts)
         -40 (-8.11 % of base) : System.Private.CoreLib.dasm - System.String:Concat(System.String,System.String,System.String,System.String):System.String (FullOpts)
         -25 (-7.86 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketPal:Accept(System.Net.Sockets.SafeSocketHandle,System.Memory`1[byte],byref,byref):int (FullOpts)
         -37 (-6.72 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.HttpHeaders:ParseSingleRawHeaderValue(System.Net.Http.Headers.HttpHeaders+HeaderStoreItemInfo,System.Net.Http.Headers.HeaderDescriptor,System.String) (FullOpts)
         -24 (-6.65 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.XmlQueryType:QNameToString(System.Xml.XmlQualifiedName):System.String (FullOpts)
         -25 (-5.85 % of base) : System.Net.Security.dasm - System.Net.NegotiateAuthenticationPal+ManagedNtlmNegotiateAuthenticationPal:Create(System.Net.Security.NegotiateAuthenticationClientOptions):System.Net.NegotiateAuthenticationPal (FullOpts)
         -73 (-5.77 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:MethodToString(System.Reflection.MethodBase):System.String (FullOpts)
         -35 (-5.15 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.ContractHelper:GetFailureMessage(int,System.String):System.String (FullOpts)
         -25 (-4.84 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:ParameterToString(System.Reflection.ParameterInfo):System.String (FullOpts)
         -18 (-4.38 % of base) : System.Net.NameResolution.dasm - System.Net.Dns:GetHostName():System.String (FullOpts)
         -25 (-4.05 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketPal:CreateSocket(int,int,int,byref):int (FullOpts)
         -13 (-4.04 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.HeaderUtilities:GetQuality(System.Net.Http.Headers.UnvalidatedObjectCollection`1[System.Net.Http.Headers.NameValueHeaderValue]):System.Nullable`1[double] (FullOpts)
         -74 (-3.78 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationILGen:GenerateSerializerContract(System.Xml.Serialization.XmlMapping[],System.Type[],System.String,System.String[],System.String,System.String[],System.Collections.Generic.Dictionary`2[System.String,System.String]):this (FullOpts)
          -2 (-3.64 % of base) : System.Console.dasm - System.TermInfo+DatabaseFactory:get_HomeTermInfoLocation():System.String (FullOpts)
          -2 (-3.51 % of base) : System.Net.HttpListener.dasm - System.Net.ServiceNameStore:BuildSimpleServiceName(System.String):System.String (FullOpts)
          -4 (-3.42 % of base) : Microsoft.Extensions.FileSystemGlobbing.dasm - Microsoft.Extensions.FileSystemGlobbing.Internal.PatternContexts.PatternContextLinear:CalculateStem(Microsoft.Extensions.FileSystemGlobbing.Abstractions.FileInfoBase):System.String:this (FullOpts)
          -4 (-3.39 % of base) : Microsoft.Extensions.FileSystemGlobbing.dasm - Microsoft.Extensions.FileSystemGlobbing.Internal.PatternContexts.PatternContextRagged:CalculateStem(Microsoft.Extensions.FileSystemGlobbing.Abstractions.FileInfoBase):System.String:this (FullOpts)
         -45 (-3.14 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationReaderCodeGen:WriteCreateCollection(System.Xml.Serialization.TypeDesc,System.String):this (FullOpts)
          -2 (-3.08 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.ReflectionAwareILGen:GetQuotedCSharpString(System.String):System.String (FullOpts)
         -22 (-3.02 % of base) : Microsoft.VisualBasic.Core.dasm - Microsoft.VisualBasic.CompilerServices.Utils:PropertyToString(System.Reflection.PropertyInfo):System.String (FullOpts)
          -2 (-2.60 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.Interpreter.EnterTryCatchFinallyInstruction:ToString():System.String:this (FullOpts)
         -13 (-2.41 % of base) : System.Net.NameResolution.dasm - System.Net.Dns:EndResolve(System.IAsyncResult):System.Net.IPHostEntry (FullOpts)
         -16 (-2.32 % of base) : System.Private.CoreLib.dasm - System.Globalization.DateTimeFormatInfoScanner:ScanDateWord(System.String):this (FullOpts)
         -18 (-1.98 % of base) : System.Net.Security.dasm - System.Net.CertificateValidationPal:EnsureStoreOpened(bool):System.Security.Cryptography.X509Certificates.X509Store (FullOpts)
          -2 (-1.96 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Ecma.EcmaSignatureTypeProviderForToString:GetGenericMethodParameter(System.Reflection.TypeLoading.TypeContext,int):System.String:this (FullOpts)
          -2 (-1.96 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Ecma.EcmaSignatureTypeProviderForToString:GetGenericTypeParameter(System.Reflection.TypeLoading.TypeContext,int):System.String:this (FullOpts)
          -9 (-1.95 % of base) : System.Net.Security.dasm - Interop+OpenSsl:GetDefaultSignatureAlgorithms():System.String[] (FullOpts)
        -140 (-1.65 % of base) : System.Private.DataContractSerialization.dasm - System.Xml.XmlBinaryReader:ReadNode():bool:this (FullOpts)
         -19 (-1.59 % of base) : System.Private.CoreLib.dasm - System.Globalization.DateTimeFormatInfoScanner:AddDateWordOrPostfix(System.String,System.String):this (FullOpts)
         -10 (-1.31 % of base) : System.Net.Security.dasm - System.Net.Security.SslSessionsCache:<CacheCredential>g__ShrinkCredentialCache|5_0() (FullOpts)
          -1 (-1.30 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.ReflectionAwareCodeGen:GetStringForEnumMember(System.String,System.String,bool):System.String:this (FullOpts)
         -48 (-1.24 % of base) : System.Private.Xml.dasm - System.Xml.Serialization.XmlSerializationWriterCodeGen:WriteEnumAndArrayTypes():this (FullOpts)
         -58 (-1.22 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.Json.XmlJsonReader:Read():bool:this (FullOpts)
         -10 (-1.19 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicConnection:NativeCallback(ptr,ptr,ptr):int (FullOpts)
         -10 (-1.19 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicListener:NativeCallback(ptr,ptr,ptr):int (FullOpts)
         -10 (-1.19 % of base) : System.Net.Quic.dasm - System.Net.Quic.QuicStream:NativeCallback(ptr,ptr,ptr):int (FullOpts)
         -10 (-1.05 % of base) : System.Net.Security.dasm - System.Net.Security.SslSessionsCache:TryCachedCredential(byte[],int,bool,int,bool,bool,bool,bool,bool):System.Net.Security.SafeFreeCredentials (FullOpts)
         -10 (-0.62 % of base) : System.Net.Security.dasm - System.Net.Security.SslSessionsCache:CacheCredential(System.Net.Security.SafeFreeCredentials,byte[],int,bool,int,bool,bool,bool,bool,bool) (FullOpts)
         -10 (-0.18 % of base) : System.Net.Quic.dasm - System.Net.Quic.MsQuicApi:.cctor() (FullOpts)
          -2 (-0.10 % of base) : System.Net.Security.dasm - System.Net.Security.SslStreamCertificateContext:Create(System.Security.Cryptography.X509Certificates.X509Certificate2,System.Security.Cryptography.X509Certificates.X509Certificate2Collection,bool,System.Net.Security.SslCertificateTrust,bool):System.Net.Security.SslStreamCertificateContext (FullOpts)

534 total methods with Code Size differences (43 improved, 491 regressed), 286053 unchanged.

--------------------------------------------------------------------------------

Artifacts:

• diff-frameworks.txt (54 KB)
• jit-diffs-main.zip (158 MB)
• jit-diffs-pr.zip (158 MB)
• ShortDiffsRegressions.md (59 KB)
• LongDiffsRegressions.md (640 KB)
• ShortDiffsImprovements.md (57 KB)
• LongDiffsImprovements.md (688 KB)

[MihuBot]

Top method regressions

440 (49.00 % of base) - System.Xml.XmlUTF8TextReader:ReadStartElement():this

 ; Assembly listing for method System.Xml.XmlUTF8TextReader:ReadStartElement():this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 47 single block inlinees; 12 inlinees without PGO data
+; 0 inlinees with PGO data; 55 single block inlinees; 14 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T02] ( 18, 16   )     ref  ->  rbx         this class-hnd single-def <System.Xml.XmlUTF8TextReader>
+;  V00 this         [V00,T02] ( 20, 16   )     ref  ->  rbx         this class-hnd single-def <System.Xml.XmlUTF8TextReader>
 ;  V01 loc0         [V01,T10] ( 11, 11   )     ref  ->  r15         class-hnd exact single-def <System.Xml.XmlBaseReader+XmlElementNode>
 ;  V02 loc1         [V02,T03] (  7, 16   )   ubyte  ->  r13        
 ;  V03 loc2         [V03,T18] (  4,  3.50)   ubyte  ->  rdi        
 ;* V04 loc3         [V04    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.ReadOnlySpan`1[byte]>
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V06 tmp1         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.Xml.PrefixHandle>
 ;* V07 tmp2         [V07    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Xml.XmlBufferReader>
 ;* V08 tmp3         [V08    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Xml.XmlBufferReader>
 ;  V09 tmp4         [V09,T35] (  3,  2   )   ubyte  ->  r13         "Inline return value spill temp"
 ;  V10 tmp5         [V10,T12] (  7,  9   )     ref  ->  r14         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
 ;  V11 tmp6         [V11,T19] (  4,  3   )     int  ->  rax         "Inline stloc first use temp"
 ;  V12 tmp7         [V12,T01] (  3, 24   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Xml.XmlBufferReader>
 ;  V13 tmp8         [V13,T14] (  3,  8   )   ubyte  ->  r13         "Inline return value spill temp"
 ;  V14 tmp9         [V14,T00] (  7, 36   )     ref  ->  r13         class-hnd exact "Inlining Arg" <System.Xml.XmlBufferReader>
 ;  V15 tmp10        [V15,T04] (  4, 12   )     int  ->  rax         "Inline stloc first use temp"
 ;* V16 tmp11        [V16    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;  V17 tmp12        [V17,T37] (  3,  1.50)   ubyte  ->  r13         "Inline return value spill temp"
 ;  V18 tmp13        [V18,T13] (  8,  8   )     ref  ->  r13         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
 ;  V19 tmp14        [V19,T34] (  4,  2   )     int  ->  r14         "Inline stloc first use temp"
 ;  V20 tmp15        [V20,T17] (  3,  4   )     ref  ->  r14         class-hnd exact single-def "Inlining Arg" <System.Xml.PrefixHandle>
 ;  V21 tmp16        [V21,T15] (  3,  6   )     ref  ->  rax         class-hnd exact single-def "dup spill" <System.Xml.XmlBaseReader+Namespace>
 ;* V22 tmp17        [V22    ] (  0,  0   )     ref  ->  zero-ref    single-def
-;  V23 tmp18        [V23,T45] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "Inlining Arg" <System.String>
+;  V23 tmp18        [V23,T53] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V24 tmp19        [V24    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String>
-;* V25 tmp20        [V25    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Xml.XmlBaseReader+Namespace>
-;  V26 tmp21        [V26,T21] (  3,  3   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
-;  V27 tmp22        [V27,T36] (  3,  2   )   ubyte  ->  rdi         "Inline return value spill temp"
-;  V28 tmp23        [V28,T11] (  8, 11   )     ref  ->  r14         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
-;  V29 tmp24        [V29,T20] (  4,  3   )     int  ->  r13         "Inline stloc first use temp"
-;  V30 tmp25        [V30,T43] (  3,  0   )   ubyte  ->  r13         "Inline return value spill temp"
-;  V31 tmp26        [V31,T38] (  8,  0   )     ref  ->  r15         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
-;  V32 tmp27        [V32,T39] (  4,  0   )     int  ->  r14         "Inline stloc first use temp"
-;  V33 tmp28        [V33,T48] (  2,  0   )  ushort  ->  r13         ld-addr-op "Inlining Arg"
-;  V34 tmp29        [V34,T46] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
-;* V35 tmp30        [V35    ] (  0,  0   )  ushort  ->  zero-ref    "Inlining Arg"
-;  V36 tmp31        [V36,T40] (  3,  0   )     ref  ->  rax         class-hnd exact single-def "dup spill" <System.String>
-;* V37 tmp32        [V37    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Runtime.CompilerServices.TypeHandle>
-;* V38 tmp33        [V38    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.TypeHandle>
-;  V39 tmp34        [V39,T16] (  3,  6   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
-;* V40 tmp35        [V40    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Xml.XmlBufferReader>
-;* V41 tmp36        [V41    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
-;* V42 tmp37        [V42    ] (  0,  0   )   byref  ->  zero-ref    "field V04._reference (fldOffset=0x0)" P-INDEP
-;* V43 tmp38        [V43    ] (  0,  0   )     int  ->  zero-ref    "field V04._length (fldOffset=0x8)" P-INDEP
-;* V44 tmp39        [V44    ] (  0,  0   )   byref  ->  zero-ref    "field V16._reference (fldOffset=0x0)" P-INDEP
-;* V45 tmp40        [V45    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
-;* V46 tmp41        [V46    ] (  0,  0   )    long  ->  zero-ref    "field V37.m_asTAddr (fldOffset=0x0)" P-INDEP
-;* V47 tmp42        [V47    ] (  0,  0   )    long  ->  zero-ref    "field V38.m_asTAddr (fldOffset=0x0)" P-INDEP
-;  V48 tmp43        [V48,T22] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V49 tmp44        [V49,T29] (  3,  3   )     int  ->  rax         "index expr"
-;  V50 tmp45        [V50,T23] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V51 tmp46        [V51,T05] (  3, 12   )     ref  ->  rdi         "arr expr"
-;  V52 tmp47        [V52,T08] (  3, 12   )     int  ->  rax         "index expr"
-;  V53 tmp48        [V53,T06] (  3, 12   )     ref  ->  rdi         "arr expr"
-;  V54 tmp49        [V54,T24] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V55 tmp50        [V55,T30] (  3,  3   )     int  ->  rsi         "index expr"
-;  V56 tmp51        [V56,T25] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V57 tmp52        [V57,T47] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
-;  V58 tmp53        [V58,T26] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V59 tmp54        [V59,T31] (  3,  3   )     int  ->  rax         "index expr"
-;  V60 tmp55        [V60,T27] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
-;  V61 tmp56        [V61,T41] (  3,  0   )     ref  ->  rdi         single-def "arr expr"
-;  V62 tmp57        [V62,T44] (  3,  0   )     int  ->  rax         "index expr"
-;  V63 tmp58        [V63,T42] (  3,  0   )     ref  ->  rdi         single-def "arr expr"
-;  V64 cse0         [V64,T32] (  3,  3   )     int  ->  rax         "CSE #02: moderate"
-;  V65 cse1         [V65,T09] (  3, 12   )     int  ->  rax         "CSE #04: moderate"
-;  V66 cse2         [V66,T33] (  3,  3   )     int  ->  rax         "CSE #08: moderate"
-;  V67 cse3         [V67,T07] (  3, 12   )     ref  ->  r13         "CSE #03: moderate"
-;  V68 cse4         [V68,T28] (  3,  3   )     ref  ->  r14         "CSE #01: moderate"
+;  V25 tmp20        [V25,T39] (  4,  0   )     ref  ->  r15         class-hnd "Inline stloc first use temp" <System.String>
+;* V26 tmp21        [V26    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inline stloc first use temp" <System.Xml.XmlUTF8TextReader>
+;  V27 tmp22        [V27,T42] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Xml.XmlException>
+;  V28 tmp23        [V28,T54] (  2,  0   )     ref  ->  r14         class-hnd exact single-def "impAppendStmt" <System.String>
+;  V29 tmp24        [V29,T43] (  3,  0   )     ref  ->  r13         class-hnd exact single-def "Single-def Box Helper" <System.Int32>
+;  V30 tmp25        [V30,T44] (  3,  0   )     ref  ->  rax         class-hnd exact single-def "Single-def Box Helper" <System.Int32>
+;  V31 tmp26        [V31    ] (  2,  0   )     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V32 tmp27        [V32    ] (  1,  0   )     int  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V33 tmp28        [V33    ] (  1,  0   )     int  ->  [rbp-0x38]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V34 tmp29        [V34    ] (  2,  0   )     int  ->  [rbp-0x40]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;* V35 tmp30        [V35    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Xml.XmlBaseReader+Namespace>
+;  V36 tmp31        [V36,T21] (  3,  3   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
+;  V37 tmp32        [V37,T36] (  3,  2   )   ubyte  ->  rdi         "Inline return value spill temp"
+;  V38 tmp33        [V38,T11] (  8, 11   )     ref  ->  r14         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
+;  V39 tmp34        [V39,T20] (  4,  3   )     int  ->  r13         "Inline stloc first use temp"
+;  V40 tmp35        [V40,T51] (  3,  0   )   ubyte  ->  r13         "Inline return value spill temp"
+;  V41 tmp36        [V41,T38] (  8,  0   )     ref  ->  r15         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
+;  V42 tmp37        [V42,T41] (  4,  0   )     int  ->  r14         "Inline stloc first use temp"
+;  V43 tmp38        [V43,T60] (  2,  0   )  ushort  ->  r13         ld-addr-op "Inlining Arg"
+;  V44 tmp39        [V44,T55] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
+;* V45 tmp40        [V45    ] (  0,  0   )  ushort  ->  zero-ref    "Inlining Arg"
+;  V46 tmp41        [V46,T45] (  3,  0   )     ref  ->  rax         class-hnd exact single-def "dup spill" <System.String>
+;* V47 tmp42        [V47    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Runtime.CompilerServices.TypeHandle>
+;* V48 tmp43        [V48    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.TypeHandle>
+;  V49 tmp44        [V49,T40] (  4,  0   )     ref  ->  r15         class-hnd "Inline stloc first use temp" <System.String>
+;* V50 tmp45        [V50    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inline stloc first use temp" <System.Xml.XmlUTF8TextReader>
+;  V51 tmp46        [V51,T46] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Xml.XmlException>
+;  V52 tmp47        [V52,T56] (  2,  0   )     ref  ->  r14         class-hnd exact single-def "impAppendStmt" <System.String>
+;  V53 tmp48        [V53,T47] (  3,  0   )     ref  ->  r13         class-hnd exact single-def "Single-def Box Helper" <System.Int32>
+;  V54 tmp49        [V54,T48] (  3,  0   )     ref  ->  rax         class-hnd exact single-def "Single-def Box Helper" <System.Int32>
+;  V55 tmp50        [V55    ] (  2,  0   )     int  ->  [rbp-0x48]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V56 tmp51        [V56    ] (  1,  0   )     int  ->  [rbp-0x50]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V57 tmp52        [V57    ] (  1,  0   )     int  ->  [rbp-0x58]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V58 tmp53        [V58    ] (  2,  0   )     int  ->  [rbp-0x60]  do-not-enreg[X] addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
+;  V59 tmp54        [V59,T16] (  3,  6   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Xml.XmlBufferReader>
+;* V60 tmp55        [V60    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Xml.XmlBufferReader>
+;* V61 tmp56        [V61    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
+;* V62 tmp57        [V62    ] (  0,  0   )   byref  ->  zero-ref    "field V04._reference (fldOffset=0x0)" P-INDEP
+;* V63 tmp58        [V63    ] (  0,  0   )     int  ->  zero-ref    "field V04._length (fldOffset=0x8)" P-INDEP
+;* V64 tmp59        [V64    ] (  0,  0   )   byref  ->  zero-ref    "field V16._reference (fldOffset=0x0)" P-INDEP
+;* V65 tmp60        [V65    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
+;* V66 tmp61        [V66    ] (  0,  0   )    long  ->  zero-ref    "field V47.m_asTAddr (fldOffset=0x0)" P-INDEP
+;* V67 tmp62        [V67    ] (  0,  0   )    long  ->  zero-ref    "field V48.m_asTAddr (fldOffset=0x0)" P-INDEP
+;  V68 tmp63        [V68,T22] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V69 tmp64        [V69,T29] (  3,  3   )     int  ->  rax         "index expr"
+;  V70 tmp65        [V70,T23] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V71 tmp66        [V71,T05] (  3, 12   )     ref  ->  rdi         "arr expr"
+;  V72 tmp67        [V72,T08] (  3, 12   )     int  ->  rax         "index expr"
+;  V73 tmp68        [V73,T06] (  3, 12   )     ref  ->  rdi         "arr expr"
+;  V74 tmp69        [V74,T24] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V75 tmp70        [V75,T30] (  3,  3   )     int  ->  rsi         "index expr"
+;  V76 tmp71        [V76,T25] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V77 tmp72        [V77,T26] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V78 tmp73        [V78,T31] (  3,  3   )     int  ->  rax         "index expr"
+;  V79 tmp74        [V79,T27] (  3,  3   )     ref  ->  rdi         single-def "arr expr"
+;  V80 tmp75        [V80,T49] (  3,  0   )     ref  ->  rdi         single-def "arr expr"
+;  V81 tmp76        [V81,T52] (  3,  0   )     int  ->  rax         "index expr"
+;  V82 tmp77        [V82,T50] (  3,  0   )     ref  ->  rdi         single-def "arr expr"
+;  V83 tmp78        [V83,T57] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
+;  V84 tmp79        [V84,T58] (  2,  0   )     ref  ->  rdi         single-def "argument with side effect"
+;  V85 tmp80        [V85,T59] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
+;  V86 cse0         [V86,T32] (  3,  3   )     int  ->  rax         "CSE #02: moderate"
+;  V87 cse1         [V87,T09] (  3, 12   )     int  ->  rax         "CSE #04: moderate"
+;  V88 cse2         [V88,T33] (  3,  3   )     int  ->  rax         "CSE #12: moderate"
+;  V89 cse3         [V89,T07] (  3, 12   )     ref  ->  r13         "CSE #03: moderate"
+;  V90 cse4         [V90,T28] (  3,  3   )     ref  ->  r14         "CSE #01: moderate"
 ;
-; Lcl frame size = 0
+; Lcl frame size = 64
 
 G_M1811_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     rbx
-       lea      rbp, [rsp+0x20]
+       sub      rsp, 64
+       lea      rbp, [rsp+0x60]
        mov      rbx, rdi
-						;; size=16 bbWeight=1 PerfScore 5.75
+						;; size=20 bbWeight=1 PerfScore 6.00
 G_M1811_IG02:
        cmp      byte  ptr [rbx+0xDB], 0
        jne      SHORT G_M1811_IG04
 						;; size=9 bbWeight=1 PerfScore 3.00
 G_M1811_IG03:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:BufferElement():this
        call     [rax]System.Xml.XmlUTF8TextReader:BufferElement():this
 						;; size=15 bbWeight=0.50 PerfScore 1.75
 G_M1811_IG04:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBaseReader:EnterScope():System.Xml.XmlBaseReader+XmlElementNode:this
        call     [rax]System.Xml.XmlBaseReader:EnterScope():System.Xml.XmlBaseReader+XmlElementNode:this
        mov      r15, rax
        mov      rdx, gword ptr [rbx+0x08]
        mov      edx, dword ptr [rdx+0x50]
        mov      dword ptr [r15+0x5C], edx
        mov      rdx, gword ptr [r15+0x10]
        mov      rsi, gword ptr [r15+0x08]
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:ReadQualifiedName(System.Xml.PrefixHandle,System.Xml.StringHandle):this
        call     [rax]System.Xml.XmlUTF8TextReader:ReadQualifiedName(System.Xml.PrefixHandle,System.Xml.StringHandle):this
        mov      r14, gword ptr [rbx+0x08]
        mov      eax, dword ptr [r14+0x50]
        mov      edi, eax
        sub      edi, dword ptr [r15+0x5C]
        mov      dword ptr [r15+0x60], edi
        cmp      eax, dword ptr [r14+0x4C]
        jl       SHORT G_M1811_IG07
 						;; size=76 bbWeight=1 PerfScore 26.50
 G_M1811_IG05:
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        call     [rax]System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        test     eax, eax
        jne      SHORT G_M1811_IG06
        mov      rdi, gword ptr [r14+0x08]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
        call     [rax]System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
 						;; size=35 bbWeight=0.50 PerfScore 5.00
 G_M1811_IG06:
        mov      rdi, gword ptr [r14+0x20]
        mov      eax, dword ptr [r14+0x50]
        cmp      eax, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        movzx    r13, byte  ptr [rdi+rax+0x10]
        jmp      SHORT G_M1811_IG08
 						;; size=25 bbWeight=0.50 PerfScore 5.50
 G_M1811_IG07:
        mov      rdi, gword ptr [r14+0x20]
        cmp      eax, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        mov      eax, eax
        movzx    r13, byte  ptr [rdi+rax+0x10]
 						;; size=21 bbWeight=0.50 PerfScore 3.62
 G_M1811_IG08:
        jmp      SHORT G_M1811_IG11
 						;; size=2 bbWeight=1 PerfScore 2.00
 G_M1811_IG09:
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        call     [rax]System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        test     eax, eax
        jne      SHORT G_M1811_IG10
        mov      rdi, gword ptr [r13+0x08]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
        call     [rax]System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
 						;; size=35 bbWeight=2 PerfScore 20.00
 G_M1811_IG10:
        mov      rdi, gword ptr [r13+0x20]
        mov      eax, dword ptr [r13+0x50]
        cmp      eax, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        movzx    r13, byte  ptr [rdi+rax+0x10]
 						;; size=23 bbWeight=2 PerfScore 18.00
 G_M1811_IG11:
        mov      edi, r13d
        mov      rax, 0xD1FFAB1E      ; static handle
        test     byte  ptr [rax+rdi], 4
        je       SHORT G_M1811_IG14
 						;; size=19 bbWeight=8 PerfScore 28.00
 G_M1811_IG12:
        mov      r13, gword ptr [rbx+0x08]
        mov      rdi, r13
        mov      eax, dword ptr [rdi+0x50]
        inc      eax
        mov      dword ptr [rdi+0x50], eax
        cmp      eax, dword ptr [r13+0x4C]
        jge      SHORT G_M1811_IG09
 						;; size=21 bbWeight=4 PerfScore 34.00
 G_M1811_IG13:
        mov      rdi, gword ptr [r13+0x20]
        cmp      eax, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        mov      eax, eax
        movzx    r13, byte  ptr [rdi+rax+0x10]
        jmp      SHORT G_M1811_IG11
 						;; size=23 bbWeight=2 PerfScore 18.50
 G_M1811_IG14:
        cmp      r13d, 62
        je       SHORT G_M1811_IG18
 						;; size=6 bbWeight=1 PerfScore 1.25
 G_M1811_IG15:
        cmp      r13d, 47
        je       SHORT G_M1811_IG18
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:ReadAttributes():this
        call     [rax]System.Xml.XmlUTF8TextReader:ReadAttributes():this
        mov      r13, gword ptr [rbx+0x08]
        mov      r14d, dword ptr [r13+0x50]
        cmp      r14d, dword ptr [r13+0x4C]
        jl       SHORT G_M1811_IG17
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        call     [rax]System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        test     eax, eax
        jne      SHORT G_M1811_IG16
        mov      rdi, gword ptr [r13+0x08]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
        call     [rax]System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
 						;; size=70 bbWeight=0.50 PerfScore 10.88
 G_M1811_IG16:
        mov      rdi, gword ptr [r13+0x20]
        mov      esi, dword ptr [r13+0x50]
        cmp      esi, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        movzx    r13, byte  ptr [rdi+rsi+0x10]
        jmp      SHORT G_M1811_IG18
 						;; size=25 bbWeight=0.50 PerfScore 5.50
 G_M1811_IG17:
        mov      rdi, gword ptr [r13+0x20]
        cmp      r14d, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        mov      esi, r14d
        movzx    r13, byte  ptr [rdi+rsi+0x10]
 						;; size=23 bbWeight=0.50 PerfScore 3.62
 G_M1811_IG18:
        mov      r14, gword ptr [r15+0x08]
        mov      rdi, gword ptr [rbx+0x18]
        mov      rsi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBaseReader+NamespaceManager:LookupNamespace(System.Xml.PrefixHandle):System.Xml.XmlBaseReader+Namespace:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.XmlBaseReader+NamespaceManager:LookupNamespace(System.Xml.PrefixHandle):System.Xml.XmlBaseReader+Namespace:this
        test     rax, rax
        je       G_M1811_IG26
        lea      rdi, bword ptr [r15+0x20]
        mov      rsi, rax
        call     CORINFO_HELP_ASSIGN_REF
        xor      edi, edi
        cmp      r13d, 47
        jne      SHORT G_M1811_IG20
 						;; size=54 bbWeight=1 PerfScore 14.00
 G_M1811_IG19:
        mov      edi, 1
        mov      rax, gword ptr [rbx+0x08]
        inc      dword ptr [rax+0x50]
 						;; size=12 bbWeight=0.50 PerfScore 2.62
 G_M1811_IG20:
        mov      byte  ptr [r15+0x49], dil
        mov      byte  ptr [r15+0x45], dil
        mov      r14, gword ptr [rbx+0x08]
        mov      r13d, dword ptr [r14+0x50]
        cmp      r13d, dword ptr [r14+0x4C]
        jl       SHORT G_M1811_IG23
 						;; size=22 bbWeight=1 PerfScore 9.00
 G_M1811_IG21:
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        call     [rax]System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        test     eax, eax
        jne      SHORT G_M1811_IG22
        mov      rdi, gword ptr [r14+0x08]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
        call     [rax]System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
 						;; size=35 bbWeight=0.50 PerfScore 5.00
 G_M1811_IG22:
        mov      rdi, gword ptr [r14+0x20]
        mov      eax, dword ptr [r14+0x50]
        cmp      eax, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        movzx    rdi, byte  ptr [rdi+rax+0x10]
        jmp      SHORT G_M1811_IG24
 						;; size=25 bbWeight=0.50 PerfScore 5.50
 G_M1811_IG23:
        mov      rdi, gword ptr [r14+0x20]
        cmp      r13d, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        mov      eax, r13d
        movzx    rdi, byte  ptr [rdi+rax+0x10]
 						;; size=23 bbWeight=0.50 PerfScore 3.62
 G_M1811_IG24:
        cmp      edi, 62
-       jne      SHORT G_M1811_IG27
+       jne      G_M1811_IG27
        mov      rdi, gword ptr [rbx+0x08]
        mov      eax, dword ptr [rdi+0x50]
        inc      eax
        mov      dword ptr [rdi+0x50], eax
        mov      dword ptr [r15+0x58], eax
-						;; size=21 bbWeight=1 PerfScore 7.50
+						;; size=25 bbWeight=1 PerfScore 7.50
 G_M1811_IG25:
+       add      rsp, 64
        pop      rbx
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
-						;; size=9 bbWeight=1 PerfScore 3.50
+						;; size=13 bbWeight=1 PerfScore 3.75
 G_M1811_IG26:
        mov      rdi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.PrefixHandle:GetString():System.String:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.PrefixHandle:GetString():System.String:this
        mov      r15, rax
        mov      rdi, 0xD1FFAB1E      ; 'XmlUndefinedPrefix'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
-       mov      rsi, rax
-       mov      rdi, rbx
-       mov      rdx, r15
+       mov      rdi, rax
+       mov      rsi, r15
+       xor      rdx, rdx
        xor      rcx, rcx
-       xor      r8, r8
-       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowXmlException(System.Xml.XmlDictionaryReader,System.String,System.String,System.String,System.String)
-       call     [rax]System.Xml.XmlExceptionHelper:ThrowXmlException(System.Xml.XmlDictionaryReader,System.String,System.String,System.String,System.String)
+       mov      rax, 0xD1FFAB1E      ; code for System.SR:Format(System.String,System.Object,System.Object,System.Object):System.String
+       call     [rax]System.SR:Format(System.String,System.Object,System.Object,System.Object):System.String
+       mov      r15, rax
+       mov      rdi, 0xD1FFAB1E      ; 'XmlLineInfo'
+       mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
+       call     [rax]System.SR:GetResourceString(System.String):System.String
+       mov      r14, rax
+       lea      rdx, [rbp-0x30]
+       lea      rsi, [rbp-0x28]
+       mov      rdi, rbx
+       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       call     [rax]System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       mov      rdi, 0xD1FFAB1E      ; System.Int32
+       call     CORINFO_HELP_NEWSFAST
+       mov      r13, rax
+       mov      edx, dword ptr [rbp-0x28]
+       mov      dword ptr [r13+0x08], edx
+       lea      rdx, [rbp-0x40]
+       lea      rsi, [rbp-0x38]
+       mov      rdi, rbx
+       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       call     [rax]System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       mov      rdi, 0xD1FFAB1E      ; System.Int32
+       call     CORINFO_HELP_NEWSFAST
+       mov      edx, dword ptr [rbp-0x40]
+       mov      dword ptr [rax+0x08], edx
+       mov      rdx, rax
+       mov      rsi, r13
+       mov      rdi, r14
+       mov      rax, 0xD1FFAB1E      ; code for System.SR:Format(System.String,System.Object,System.Object):System.String
+       call     [rax]System.SR:Format(System.String,System.Object,System.Object):System.String
+       mov      rdx, rax
+       mov      rdi, r15
+       mov      rsi, 0xD1FFAB1E      ; ' '
+       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String,System.String):System.String
+       call     [rax]System.String:Concat(System.String,System.String,System.String):System.String
+       mov      r15, rax
+       mov      rdi, 0xD1FFAB1E      ; System.Xml.XmlException
+       call     CORINFO_HELP_NEWSFAST
+       mov      rbx, rax
+       mov      rdi, rbx
+       mov      rsi, r15
+       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlException:.ctor(System.String):this
+       call     [rax]System.Xml.XmlException:.ctor(System.String):this
+       mov      rdi, rbx
+       call     CORINFO_HELP_THROW
        int3     
-						;; size=69 bbWeight=0 PerfScore 0.00
+						;; size=281 bbWeight=0 PerfScore 0.00
 G_M1811_IG27:
        mov      r15, gword ptr [rbx+0x08]
        mov      r14d, dword ptr [r15+0x50]
        cmp      r14d, dword ptr [r15+0x4C]
        jge      SHORT G_M1811_IG28
        mov      rdi, gword ptr [r15+0x20]
        cmp      r14d, dword ptr [rdi+0x08]
        jae      G_M1811_IG31
        mov      eax, r14d
        movzx    r13, byte  ptr [rdi+rax+0x10]
        jmp      SHORT G_M1811_IG30
 						;; size=39 bbWeight=0 PerfScore 0.00
 G_M1811_IG28:
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        call     [rax]System.Xml.XmlBufferReader:TryEnsureByte():bool:this
        test     eax, eax
        jne      SHORT G_M1811_IG29
        mov      rdi, gword ptr [r15+0x08]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
        call     [rax]System.Xml.XmlExceptionHelper:ThrowUnexpectedEndOfFile(System.Xml.XmlDictionaryReader)
 						;; size=35 bbWeight=0 PerfScore 0.00
 G_M1811_IG29:
        mov      rdi, gword ptr [r15+0x20]
        mov      eax, dword ptr [r15+0x50]
        cmp      eax, dword ptr [rdi+0x08]
-       jae      SHORT G_M1811_IG31
+       jae      G_M1811_IG31
        movzx    r13, byte  ptr [rdi+rax+0x10]
-						;; size=19 bbWeight=0 PerfScore 0.00
+						;; size=23 bbWeight=0 PerfScore 0.00
 G_M1811_IG30:
        mov      rdi, 0xD1FFAB1E      ; 'XmlTokenExpected'
        mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
        call     [rax]System.SR:GetResourceString(System.String):System.String
        mov      r15, rax
        mov      rdi, 0xD1FFAB1E      ; System.String
        mov      esi, 1
        call     System.String:FastAllocateString(ptr,nint):System.String
        mov      word  ptr [rax+0x0C], r13w
+       mov      rdi, r15
+       mov      rdx, rax
+       mov      rsi, 0xD1FFAB1E      ; '>'
+       xor      rcx, rcx
+       mov      rax, 0xD1FFAB1E      ; code for System.SR:Format(System.String,System.Object,System.Object,System.Object):System.String
+       call     [rax]System.SR:Format(System.String,System.Object,System.Object,System.Object):System.String
+       mov      r15, rax
+       mov      rdi, 0xD1FFAB1E      ; 'XmlLineInfo'
+       mov      rax, 0xD1FFAB1E      ; code for System.SR:GetResourceString(System.String):System.String
+       call     [rax]System.SR:GetResourceString(System.String):System.String
+       mov      r14, rax
+       lea      rdx, [rbp-0x50]
+       lea      rsi, [rbp-0x48]
+       mov      rdi, rbx
+       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       call     [rax]System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       mov      rdi, 0xD1FFAB1E      ; System.Int32
+       call     CORINFO_HELP_NEWSFAST
+       mov      r13, rax
+       mov      edx, dword ptr [rbp-0x48]
+       mov      dword ptr [r13+0x08], edx
+       lea      rdx, [rbp-0x60]
+       lea      rsi, [rbp-0x58]
+       mov      rdi, rbx
+       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       call     [rax]System.Xml.XmlUTF8TextReader:GetPosition(byref,byref):this
+       mov      rdi, 0xD1FFAB1E      ; System.Int32
+       call     CORINFO_HELP_NEWSFAST
+       mov      edx, dword ptr [rbp-0x60]
+       mov      dword ptr [rax+0x08], edx
+       mov      rdx, rax
+       mov      rsi, r13
+       mov      rdi, r14
+       mov      rax, 0xD1FFAB1E      ; code for System.SR:Format(System.String,System.Object,System.Object):System.String
+       call     [rax]System.SR:Format(System.String,System.Object,System.Object):System.String
+       mov      rdx, rax
+       mov      rdi, r15
+       mov      rsi, 0xD1FFAB1E      ; ' '
+       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String,System.String):System.String
+       call     [rax]System.String:Concat(System.String,System.String,System.String):System.String
+       mov      r15, rax
+       mov      rdi, 0xD1FFAB1E      ; System.Xml.XmlException
+       call     CORINFO_HELP_NEWSFAST
+       mov      rbx, rax
        mov      rdi, rbx
        mov      rsi, r15
-       mov      rcx, rax
-       mov      rdx, 0xD1FFAB1E      ; '>'
-       xor      r8, r8
-       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlExceptionHelper:ThrowXmlException(System.Xml.XmlDictionaryReader,System.String,System.String,System.String,System.String)
-       call     [rax]System.Xml.XmlExceptionHelper:ThrowXmlException(System.Xml.XmlDictionaryReader,System.String,System.String,System.String,System.String)
+       mov      rax, 0xD1FFAB1E      ; code for System.Xml.XmlException:.ctor(System.String):this
+       call     [rax]System.Xml.XmlException:.ctor(System.String):this
+       mov      rdi, rbx
+       call     CORINFO_HELP_THROW
        int3     
-						;; size=85 bbWeight=0 PerfScore 0.00
+						;; size=297 bbWeight=0 PerfScore 0.00
 G_M1811_IG31:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 898, prolog size 16, PerfScore 243.62, instruction count 223, allocated bytes for code 898 (MethodHash=7725f8ec) for method System.Xml.XmlUTF8TextReader:ReadStartElement():this (FullOpts)
+; Total bytes of code 1338, prolog size 20, PerfScore 244.12, instruction count 311, allocated bytes for code 1338 (MethodHash=7725f8ec) for method System.Xml.XmlUTF8TextReader:ReadStartElement():this (FullOpts)
 ; ============================================================

311 (144.65 % of base) - System.Formats.Tar.TarHeader:TryReadAttributes(int,System.ReadOnlySpan`1[byte],System.IO.Stream):System.Formats.Tar.TarHeader

 ; Assembly listing for method System.Formats.Tar.TarHeader:TryReadAttributes(int,System.ReadOnlySpan`1[byte],System.IO.Stream):System.Formats.Tar.TarHeader (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
+; 0 inlinees with PGO data; 10 single block inlinees; 9 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T03] (  3,  3   )     int  ->  rdx         single-def
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[byte]>
 ;  V02 arg2         [V02,T04] (  3,  2.50)     ref  ->  r14         class-hnd single-def <System.IO.Stream>
-;  V03 loc0         [V03,T00] ( 11,  7   )     ref  ->  r13         class-hnd exact single-def <System.Formats.Tar.TarHeader>
+;  V03 loc0         [V03,T00] ( 14,  8.50)     ref  ->  r13         class-hnd exact single-def <System.Formats.Tar.TarHeader>
 ;* V04 loc1         [V04    ] (  0,  0   )     int  ->  zero-ref   
 ;* V05 loc2         [V05    ] (  0,  0   )   ubyte  ->  zero-ref   
 ;# V06 OutArgs      [V06    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V07 tmp1         [V07,T01] (  7,  4.50)   byref  ->  rbx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V08 tmp2         [V08,T02] (  7,  4.50)     int  ->  r15         single-def "field V01._length (fldOffset=0x8)" P-INDEP
-;  V09 cse0         [V09,T05] (  3,  1.50)     int  ->  rsi         "CSE #01: aggressive"
+;* V07 tmp1         [V07    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;* V08 tmp2         [V08    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
+;* V09 tmp3         [V09    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
+;* V10 tmp4         [V10    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;* V11 tmp5         [V11    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;* V12 tmp6         [V12    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;  V13 tmp7         [V13,T10] (  4,  2   )     int  ->  rax         "Inline stloc first use temp"
+;* V14 tmp8         [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
+;* V15 tmp9         [V15    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;* V16 tmp10        [V16    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;* V17 tmp11        [V17    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
+;* V18 tmp12        [V18    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
+;* V19 tmp13        [V19    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
+;* V20 tmp14        [V20    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;* V21 tmp15        [V21    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
+;* V22 tmp16        [V22    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;* V23 tmp17        [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inline return value spill temp" <System.String>
+;* V24 tmp18        [V24    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;  V25 tmp19        [V25    ] (  2,  1   )   byref  ->  [rbp-0x30]  must-init pinned "Inline stloc first use temp"
+;  V26 tmp20        [V26,T06] (  3,  3   )     ref  ->  r12         class-hnd exact single-def "Inlining Arg" <System.Text.UTF8Encoding+UTF8EncodingSealed>
+;  V27 tmp21        [V27,T14] (  3,  1.50)   byref  ->  rbx         "Inline return value spill temp"
+;* V28 tmp22        [V28    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
+;  V29 tmp23        [V29,T15] (  3,  1.50)     ref  ->  rsi         class-hnd exact "Inline return value spill temp" <System.String>
+;* V30 tmp24        [V30    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
+;* V31 tmp25        [V31    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
+;  V32 tmp26        [V32,T11] (  4,  2   )     int  ->  [rbp-0x34]  spill-single-def "Inline stloc first use temp"
+;  V33 tmp27        [V33,T05] (  4,  4   )     ref  ->  [rbp-0x48]  class-hnd exact spill-single-def "dup spill" <System.String>
+;  V34 tmp28        [V34    ] (  4,  2   )   byref  ->  [rbp-0x40]  must-init pinned "Inline stloc first use temp"
+;* V35 tmp29        [V35    ] (  0,  0   )    long  ->  zero-ref    "Inline stloc first use temp"
+;* V36 tmp30        [V36,T19] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;  V37 tmp31        [V37,T07] (  3,  3   )     ref  ->  rdx         class-hnd exact single-def "Inlining Arg" <System.String>
+;  V38 tmp32        [V38,T01] (  7,  4.50)   byref  ->  rbx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V39 tmp33        [V39,T02] (  7,  4.50)     int  ->  r15         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;* V40 tmp34        [V40    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V07._reference (fldOffset=0x0)" P-INDEP
+;* V41 tmp35        [V41    ] (  0,  0   )     int  ->  zero-ref    "field V07._length (fldOffset=0x8)" P-INDEP
+;* V42 tmp36        [V42    ] (  0,  0   )   byref  ->  zero-ref    "field V08._reference (fldOffset=0x0)" P-INDEP
+;* V43 tmp37        [V43    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
+;  V44 tmp38        [V44,T16] (  3,  1.50)   byref  ->  rbx         single-def "field V09._reference (fldOffset=0x0)" P-INDEP
+;* V45 tmp39        [V45    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
+;* V46 tmp40        [V46    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V11._reference (fldOffset=0x0)" P-INDEP
+;* V47 tmp41        [V47    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
+;* V48 tmp42        [V48    ] (  0,  0   )   byref  ->  zero-ref    "field V12._reference (fldOffset=0x0)" P-INDEP
+;  V49 tmp43        [V49,T09] (  5,  2.50)     int  ->  r15         "field V12._length (fldOffset=0x8)" P-INDEP
+;* V50 tmp44        [V50    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
+;* V51 tmp45        [V51    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
+;* V52 tmp46        [V52    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V16._reference (fldOffset=0x0)" P-INDEP
+;* V53 tmp47        [V53    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
+;* V54 tmp48        [V54    ] (  0,  0   )   byref  ->  zero-ref    "field V20._reference (fldOffset=0x0)" P-INDEP
+;* V55 tmp49        [V55    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
+;* V56 tmp50        [V56    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V21._reference (fldOffset=0x0)" P-INDEP
+;* V57 tmp51        [V57    ] (  0,  0   )     int  ->  zero-ref    "field V21._length (fldOffset=0x8)" P-INDEP
+;* V58 tmp52        [V58    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V24._reference (fldOffset=0x0)" P-INDEP
+;* V59 tmp53        [V59    ] (  0,  0   )     int  ->  zero-ref    "field V24._length (fldOffset=0x8)" P-INDEP
+;* V60 tmp54        [V60    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V28._reference (fldOffset=0x0)" P-INDEP
+;* V61 tmp55        [V61    ] (  0,  0   )     int  ->  zero-ref    "field V28._length (fldOffset=0x8)" P-INDEP
+;  V62 tmp56        [V62,T08] (  3,  3   )    long  ->  rbx         "Cast away GC"
+;  V63 tmp57        [V63,T12] (  2,  2   )    long  ->  rcx         "Cast away GC"
+;  V64 tmp58        [V64,T13] (  2,  2   )    long  ->  rcx         "argument with side effect"
+;  V65 cse0         [V65,T18] (  3,  1.50)     int  ->  rsi         "CSE #01: moderate"
+;  V66 cse1         [V66,T17] (  3,  1.50)     ref  ->  rdi         "CSE #02: moderate"
 ;
-; Lcl frame size = 0
+; Lcl frame size = 40
 
 G_M16905_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
+       push     r12
        push     rbx
-       lea      rbp, [rsp+0x20]
+       sub      rsp, 40
+       lea      rbp, [rsp+0x50]
+       xor      eax, eax
+       mov      qword ptr [rbp-0x30], rax
+       mov      qword ptr [rbp-0x40], rax
        mov      rbx, rsi
        mov      r15d, edx
        mov      edx, edi
        mov      r14, rcx
-						;; size=24 bbWeight=1 PerfScore 6.50
+						;; size=40 bbWeight=1 PerfScore 10.00
 G_M16905_IG02:
        mov      rdi, rbx
        mov      esi, r15d
        mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:TryReadCommonAttributes(System.ReadOnlySpan`1[byte],int):System.Formats.Tar.TarHeader
        call     [rax]System.Formats.Tar.TarHeader:TryReadCommonAttributes(System.ReadOnlySpan`1[byte],int):System.Formats.Tar.TarHeader
        mov      r13, rax
        test     r13, r13
-       je       G_M16905_IG06
+       je       G_M16905_IG10
 						;; size=30 bbWeight=1 PerfScore 5.25
 G_M16905_IG03:
        mov      rsi, rbx
        mov      edx, r15d
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:ReadMagicAttribute(System.ReadOnlySpan`1[byte]):this
        call     [rax]System.Formats.Tar.TarHeader:ReadMagicAttribute(System.ReadOnlySpan`1[byte]):this
        cmp      dword ptr [r13+0x78], 1
-       je       SHORT G_M16905_IG05
+       je       G_M16905_IG09
        mov      rsi, rbx
        mov      edx, r15d
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:ReadVersionAttribute(System.ReadOnlySpan`1[byte]):this
        call     [rax]System.Formats.Tar.TarHeader:ReadVersionAttribute(System.ReadOnlySpan`1[byte]):this
        mov      rsi, rbx
        mov      edx, r15d
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:ReadPosixAndGnuSharedAttributes(System.ReadOnlySpan`1[byte]):this
        call     [rax]System.Formats.Tar.TarHeader:ReadPosixAndGnuSharedAttributes(System.ReadOnlySpan`1[byte]):this
        mov      esi, dword ptr [r13+0x78]
        lea      edx, [rsi-0x02]
        cmp      edx, 1
        jbe      SHORT G_M16905_IG04
        cmp      esi, 4
-       jne      SHORT G_M16905_IG05
+       jne      G_M16905_IG09
        mov      rsi, rbx
        mov      edx, r15d
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:ReadGnuAttributes(System.ReadOnlySpan`1[byte]):this
        call     [rax]System.Formats.Tar.TarHeader:ReadGnuAttributes(System.ReadOnlySpan`1[byte]):this
-       jmp      SHORT G_M16905_IG05
-						;; size=110 bbWeight=0.50 PerfScore 13.00
+       jmp      G_M16905_IG09
+						;; size=121 bbWeight=0.50 PerfScore 13.00
 G_M16905_IG04:
+       cmp      r15d, 500
+       jl       G_M16905_IG12
+       add      rbx, 345
+       mov      r15d, 155
+       mov      rdi, rbx
+       xor      esi, esi
+       mov      edx, 155
+       mov      rax, 0xD1FFAB1E      ; code for System.SpanHelpers:NonPackedIndexOfValueType[byte,System.SpanHelpers+DontNegate`1[byte]](byref,byte,int):int
+       call     [rax]System.SpanHelpers:NonPackedIndexOfValueType[byte,System.SpanHelpers+DontNegate`1[byte]](byref,byte,int):int
+       cmp      eax, -1
+       je       SHORT G_M16905_IG05
+       cmp      eax, 155
+       ja       G_M16905_IG12
+       mov      r15d, eax
+						;; size=67 bbWeight=0.50 PerfScore 4.25
+G_M16905_IG05:
+       mov      rdi, 0xD1FFAB1E      ; const ptr
+       mov      r12, gword ptr [rdi]
+       mov      edi, 1
+       test     r15d, r15d
+       cmove    rbx, rdi
+       mov      bword ptr [rbp-0x30], rbx
+       mov      rdi, r12
        mov      rsi, rbx
        mov      edx, r15d
-       mov      rdi, r13
-       mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:ReadUstarAttributes(System.ReadOnlySpan`1[byte]):this
-       call     [rax]System.Formats.Tar.TarHeader:ReadUstarAttributes(System.ReadOnlySpan`1[byte]):this
-						;; size=21 bbWeight=0.50 PerfScore 2.00
-G_M16905_IG05:
+       mov      rax, 0xD1FFAB1E      ; code for System.Text.UTF8Encoding:GetCharCount(ptr,int):int:this
+       call     [rax]System.Text.UTF8Encoding:GetCharCount(ptr,int):int:this
+       mov      dword ptr [rbp-0x34], eax
+       test     eax, eax
+       je       SHORT G_M16905_IG06
+       movsxd   rdi, eax
+       mov      rcx, 0xD1FFAB1E      ; code for System.String:FastAllocateString(nint):System.String
+       call     [rcx]System.String:FastAllocateString(nint):System.String
+       mov      rsi, rax
+       mov      gword ptr [rbp-0x48], rsi
+       cmp      byte  ptr [rsi], sil
+       lea      rcx, bword ptr [rsi+0x0C]
+       mov      bword ptr [rbp-0x40], rcx
+       mov      rcx, bword ptr [rbp-0x40]
+       mov      rsi, rbx
+       mov      edx, r15d
+       mov      rdi, r12
+       mov      r8d, dword ptr [rbp-0x34]
+       mov      rax, 0xD1FFAB1E      ; code for System.Text.UTF8Encoding:GetChars(ptr,int,ptr,int):int:this
+       call     [rax]System.Text.UTF8Encoding:GetChars(ptr,int,ptr,int):int:this
+       xor      edi, edi
+       mov      bword ptr [rbp-0x40], rdi
+       mov      rbx, gword ptr [rbp-0x48]
+       mov      rsi, rbx
+       jmp      SHORT G_M16905_IG07
+						;; size=134 bbWeight=0.50 PerfScore 14.62
+G_M16905_IG06:
+       mov      rsi, 0xD1FFAB1E      ; ''
+						;; size=10 bbWeight=0.50 PerfScore 0.12
+G_M16905_IG07:
+       xor      rdi, rdi
+       mov      bword ptr [rbp-0x40], rdi
+						;; size=6 bbWeight=0.50 PerfScore 0.62
+G_M16905_IG08:
+       mov      bword ptr [rbp-0x30], rdi
+       lea      rdi, bword ptr [r13+0x40]
+       call     CORINFO_HELP_ASSIGN_REF
+       mov      rdi, gword ptr [r13+0x40]
+       mov      rdx, rdi
+       test     rdx, rdx
+       je       SHORT G_M16905_IG09
+       cmp      dword ptr [rdx+0x08], 0
+       je       SHORT G_M16905_IG09
+       mov      rdx, gword ptr [r13+0x10]
+       mov      rsi, 0xD1FFAB1E      ; '/'
+       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String,System.String):System.String
+       call     [rax]System.String:Concat(System.String,System.String,System.String):System.String
+       mov      rsi, rax
+       lea      rdi, bword ptr [r13+0x10]
+       call     CORINFO_HELP_ASSIGN_REF
+						;; size=69 bbWeight=0.50 PerfScore 8.12
+G_M16905_IG09:
        mov      rdi, r13
        mov      rsi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Formats.Tar.TarHeader:SetDataOffset(System.Formats.Tar.TarHeader,System.IO.Stream)
        call     [rax]System.Formats.Tar.TarHeader:SetDataOffset(System.Formats.Tar.TarHeader,System.IO.Stream)
 						;; size=18 bbWeight=0.50 PerfScore 1.88
-G_M16905_IG06:
+G_M16905_IG10:
        mov      rax, r13
 						;; size=3 bbWeight=1 PerfScore 0.25
-G_M16905_IG07:
+G_M16905_IG11:
+       add      rsp, 40
        pop      rbx
+       pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
-						;; size=9 bbWeight=1 PerfScore 3.50
+						;; size=15 bbWeight=1 PerfScore 4.25
+G_M16905_IG12:
+       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
+       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
+       int3     
+						;; size=13 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 215, prolog size 13, PerfScore 32.38, instruction count 62, allocated bytes for code 215 (MethodHash=1683bdf6) for method System.Formats.Tar.TarHeader:TryReadAttributes(int,System.ReadOnlySpan`1[byte],System.IO.Stream):System.Formats.Tar.TarHeader (FullOpts)
+; Total bytes of code 526, prolog size 29, PerfScore 62.38, instruction count 134, allocated bytes for code 526 (MethodHash=1683bdf6) for method System.Formats.Tar.TarHeader:TryReadAttributes(int,System.ReadOnlySpan`1[byte],System.IO.Stream):System.Formats.Tar.TarHeader (FullOpts)
 ; ============================================================

291 (409.86 % of base) - System.Data.DataColumnCollection:AssignName():System.String:this

 ; Assembly listing for method System.Data.DataColumnCollection:AssignName():System.String:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
+; 0 inlinees with PGO data; 4 single block inlinees; 6 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T01] (  5, 26   )     ref  ->  rbx         this class-hnd single-def <System.Data.DataColumnCollection>
-;  V01 loc0         [V01,T03] (  3, 17   )     ref  ->  r15         class-hnd <System.String>
-;  V02 loc1         [V02,T02] (  3, 24   )     int  ->  rdi        
+;  V00 this         [V00,T02] (  8, 17   )     ref  ->  rbx         this class-hnd single-def <System.Data.DataColumnCollection>
+;  V01 loc0         [V01,T04] (  5, 11   )     ref  ->  r15         class-hnd <System.String>
+;  V02 loc1         [V02,T01] ( 13, 29   )     int  ->  r15        
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V04 tmp1         [V04,T00] (  3, 48   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.Dictionary`2[System.String,System.Data.DataColumn]>
+;  V04 tmp1         [V04,T06] (  3,  8   )     ref  ->  r15         class-hnd exact "Inline return value spill temp" <System.String>
+;* V05 tmp2         [V05    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
+;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Globalization.CultureInfo>
+;  V07 tmp4         [V07,T09] (  3,  6   )     ref  ->  rsi         class-hnd exact "Inline return value spill temp" <System.String>
+;* V08 tmp5         [V08    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
+;  V09 tmp6         [V09,T07] (  2,  8   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Globalization.CultureInfo>
+;* V10 tmp7         [V10    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;  V11 tmp8         [V11,T11] (  2,  4   )     ref  ->  rax         class-hnd exact "Inline return value spill temp" <System.Globalization.NumberFormatInfo>
+;  V12 tmp9         [V12,T10] (  3,  6   )     ref  ->  rsi         class-hnd exact "Inline return value spill temp" <System.String>
+;  V13 tmp10        [V13,T08] (  2,  8   )     ref  ->  rsi         class-hnd exact "dup spill" <System.String>
+;  V14 tmp11        [V14,T05] (  4,  8   )     ref  ->  rsi        
+;  V15 tmp12        [V15,T00] (  6, 30   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.Dictionary`2[System.String,System.Data.DataColumn]>
+;  V16 tmp13        [V16,T03] (  3, 12   )     ref  ->  rdi         "arr expr"
 ;
 ; Lcl frame size = 0
 
 G_M12730_IG01:
        push     rbp
        push     r15
        push     rbx
        lea      rbp, [rsp+0x10]
        mov      rbx, rdi
 						;; size=12 bbWeight=1 PerfScore 3.75
 G_M12730_IG02:
-       mov      edi, dword ptr [rbx+0x48]
-       lea      eax, [rdi+0x01]
-       mov      dword ptr [rbx+0x48], eax
+       mov      r15d, dword ptr [rbx+0x48]
+       lea      edi, [r15+0x01]
+       mov      dword ptr [rbx+0x48], edi
+       mov      edi, r15d
        mov      rax, 0xD1FFAB1E      ; code for System.Data.DataColumnCollection:MakeName(int):System.String
        call     [rax]System.Data.DataColumnCollection:MakeName(int):System.String
        mov      r15, rax
        mov      rdi, gword ptr [rbx+0x20]
        cmp      byte  ptr [rdi], dil
        mov      rsi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
        call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
        test     rax, rax
-       jne      SHORT G_M12730_IG02
-						;; size=51 bbWeight=8 PerfScore 126.00
+       je       G_M12730_IG12
+						;; size=60 bbWeight=1 PerfScore 16.00
 G_M12730_IG03:
+       mov      r15d, dword ptr [rbx+0x48]
+       lea      edi, [r15+0x01]
+       mov      dword ptr [rbx+0x48], edi
+       cmp      r15d, 1
+       jne      SHORT G_M12730_IG05
+						;; size=17 bbWeight=4 PerfScore 19.00
+G_M12730_IG04:
+       mov      r15, 0xD1FFAB1E      ; 'Column1'
+       jmp      G_M12730_IG11
+						;; size=15 bbWeight=2 PerfScore 4.50
+G_M12730_IG05:
+       mov      rdi, 0xD1FFAB1E      ; const ptr
+       mov      rdi, gword ptr [rdi]
+       test     r15d, r15d
+       jl       SHORT G_M12730_IG09
+       cmp      r15d, 300
+       jb       SHORT G_M12730_IG06
+       mov      edi, r15d
+       mov      rax, 0xD1FFAB1E      ; code for System.Number:UInt32ToDecStr_NoSmallNumberCheck(uint):System.String
+       call     [rax]System.Number:UInt32ToDecStr_NoSmallNumberCheck(uint):System.String
+       mov      rsi, rax
+       jmp      SHORT G_M12730_IG08
+						;; size=47 bbWeight=2 PerfScore 21.00
+G_M12730_IG06:
+       mov      rdi, 0xD1FFAB1E      ; global ptr
+       test     byte  ptr [rdi], 1
+       je       G_M12730_IG14
+						;; size=19 bbWeight=2 PerfScore 6.50
+G_M12730_IG07:
+       mov      rdi, 0xD1FFAB1E      ; data for System.Number:s_smallNumberCache
+       mov      rdi, gword ptr [rdi]
+       cmp      r15d, dword ptr [rdi+0x08]
+       jae      G_M12730_IG15
+       mov      eax, r15d
+       mov      rsi, gword ptr [rdi+8*rax+0x10]
+       test     rsi, rsi
+       jne      SHORT G_M12730_IG08
+       mov      edi, r15d
+       mov      rax, 0xD1FFAB1E      ; code for System.Number:<UInt32ToDecStrForKnownSmallNumber>g__CreateAndCacheString|51_0(uint):System.String
+       call     [rax]System.Number:<UInt32ToDecStrForKnownSmallNumber>g__CreateAndCacheString|51_0(uint):System.String
+       mov      rsi, rax
+						;; size=54 bbWeight=2 PerfScore 25.00
+G_M12730_IG08:
+       jmp      SHORT G_M12730_IG10
+						;; size=2 bbWeight=2 PerfScore 4.00
+G_M12730_IG09:
+       mov      rax, 0xD1FFAB1E      ; code for System.Globalization.NumberFormatInfo:<GetInstance>g__GetProviderNonNull|58_0(System.IFormatProvider):System.Globalization.NumberFormatInfo
+       call     [rax]System.Globalization.NumberFormatInfo:<GetInstance>g__GetProviderNonNull|58_0(System.IFormatProvider):System.Globalization.NumberFormatInfo
+       mov      rdx, gword ptr [rax+0x28]
+       mov      edi, r15d
+       mov      esi, -1
+       mov      rax, 0xD1FFAB1E      ; code for System.Number:NegativeInt32ToDecStr(int,int,System.String):System.String
+       call     [rax]System.Number:NegativeInt32ToDecStr(int,int,System.String):System.String
+       mov      rsi, rax
+						;; size=39 bbWeight=2 PerfScore 18.50
+G_M12730_IG10:
+       mov      rdi, 0xD1FFAB1E      ; 'Column'
+       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
+       call     [rax]System.String:Concat(System.String,System.String):System.String
+       mov      r15, rax
+						;; size=25 bbWeight=2 PerfScore 7.50
+G_M12730_IG11:
+       mov      rdi, gword ptr [rbx+0x20]
+       cmp      byte  ptr [rdi], dil
+       mov      rsi, r15
+       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
+       call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
+       test     rax, rax
+       jne      G_M12730_IG03
+						;; size=31 bbWeight=4 PerfScore 35.00
+G_M12730_IG12:
        mov      rax, r15
 						;; size=3 bbWeight=1 PerfScore 0.25
-G_M12730_IG04:
+G_M12730_IG13:
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=5 bbWeight=1 PerfScore 2.50
+G_M12730_IG14:
+       mov      rdi, 0xD1FFAB1E      ; System.Number
+       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
+       call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
+       jmp      G_M12730_IG07
+						;; size=27 bbWeight=0 PerfScore 0.00
+G_M12730_IG15:
+       call     CORINFO_HELP_RNGCHKFAIL
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 71, prolog size 9, PerfScore 132.50, instruction count 23, allocated bytes for code 71 (MethodHash=3b59ce45) for method System.Data.DataColumnCollection:AssignName():System.String:this (FullOpts)
+; Total bytes of code 362, prolog size 9, PerfScore 163.50, instruction count 83, allocated bytes for code 362 (MethodHash=3b59ce45) for method System.Data.DataColumnCollection:AssignName():System.String:this (FullOpts)
 ; ============================================================

Note: some changes were skipped as they were too large to fit into a comment.

Larger list of diffs: https://gist.github.com/MihuBot/33b2305139fa98299de102ef50a472ba

[MihuBot]

Top method improvements

-111 (-27.61 % of base) - Microsoft.VisualBasic.CompilerServices.Utils:FieldToString(System.Reflection.FieldInfo):System.String

 ; Assembly listing for method Microsoft.VisualBasic.CompilerServices.Utils:FieldToString(System.Reflection.FieldInfo):System.String (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 5 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] ( 10,  8   )     ref  ->  rbx         class-hnd single-def <System.Reflection.FieldInfo>
-;  V01 loc0         [V01,T02] (  7,  4.50)     ref  ->  r14         class-hnd <System.String>
-;  V02 loc1         [V02,T09] (  2,  2   )     ref  ->  [rbp-0x30]  class-hnd spill-single-def <System.Type>
+;  V01 loc0         [V01,T01] (  8,  5   )     ref  ->  r15         class-hnd <System.String>
+;  V02 loc1         [V02,T08] (  2,  2   )     ref  ->  r12         class-hnd single-def <System.Type>
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V04 tmp1         [V04,T04] (  2,  4   )     ref  ->  rsi         single-def "argument with side effect"
-;  V05 tmp2         [V05,T05] (  2,  4   )     ref  ->  rdi         single-def "argument with side effect"
-;  V06 tmp3         [V06,T06] (  2,  4   )     ref  ->  rbx         single-def "argument with side effect"
-;  V07 tmp4         [V07,T07] (  2,  4   )     ref  ->  rsi         single-def "argument with side effect"
-;  V08 cse0         [V08,T01] (  7,  5   )    long  ->  r12         "CSE #02: aggressive"
-;  V09 cse1         [V09,T08] (  3,  3   )    long  ->  r13         "CSE #01: aggressive"
-;  V10 cse2         [V10,T03] (  7,  4.50)     ref  ->  r15         "CSE #03: aggressive"
+;  V04 tmp1         [V04,T03] (  2,  4   )     ref  ->  rsi         single-def "argument with side effect"
+;  V05 tmp2         [V05,T04] (  2,  4   )     ref  ->  rdi         single-def "argument with side effect"
+;  V06 tmp3         [V06,T05] (  2,  4   )     ref  ->  rbx         single-def "argument with side effect"
+;  V07 tmp4         [V07,T06] (  2,  4   )     ref  ->  rsi         single-def "argument with side effect"
+;  V08 cse0         [V08,T02] (  7,  5   )    long  ->  r13         "CSE #02: aggressive"
+;  V09 cse1         [V09,T07] (  3,  3   )    long  ->  r14         "CSE #01: aggressive"
+;  V10 cse2         [V10,T09] (  2,  2   )     ref  ->  r15         "CSE #03: aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M23625_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        push     rax
        lea      rbp, [rsp+0x30]
        mov      rbx, rdi
 						;; size=19 bbWeight=1 PerfScore 7.75
 G_M23625_IG02:
        mov      r15, 0xD1FFAB1E      ; ''
-       mov      r14, r15
        mov      rdi, rbx
-       mov      r13, qword ptr [rbx]
-       mov      r12, qword ptr [r13+0x50]
-       call     [r12+0x18]System.Reflection.FieldInfo:get_FieldType():System.Type:this
-       mov      gword ptr [rbp-0x30], rax
+       mov      r14, qword ptr [rbx]
+       mov      r13, qword ptr [r14+0x50]
+       call     [r13+0x18]System.Reflection.FieldInfo:get_FieldType():System.Type:this
+       mov      r12, rax
        mov      rdi, rbx
-       call     [r12+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
+       call     [r13+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
        and      eax, 7
        cmp      eax, 6
-       je       G_M23625_IG07
-						;; size=52 bbWeight=1 PerfScore 13.50
+       je       SHORT G_M23625_IG07
+						;; size=42 bbWeight=1 PerfScore 12.50
 G_M23625_IG03:
        mov      rdi, rbx
-       call     [r12+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
+       call     [r13+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
        and      eax, 7
        cmp      eax, 1
-       je       G_M23625_IG06
+       je       SHORT G_M23625_IG06
        mov      rdi, rbx
-       call     [r12+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
+       call     [r13+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
        and      eax, 7
        cmp      eax, 3
        je       SHORT G_M23625_IG05
        mov      rdi, rbx
-       call     [r12+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
+       call     [r13+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
        and      eax, 7
        cmp      eax, 4
        je       SHORT G_M23625_IG04
        mov      rdi, rbx
-       call     [r12+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
+       call     [r13+0x10]System.Reflection.FieldInfo:get_Attributes():int:this
        and      eax, 7
+       mov      rdi, 0xD1FFAB1E      ; 'Protected Friend '
        cmp      eax, 5
-       jne      G_M23625_IG08
-       mov      rdi, r15
-       mov      rsi, 0xD1FFAB1E      ; 'Protected Friend '
-       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
-       call     [rax]System.String:Concat(System.String,System.String):System.String
-       mov      r14, rax
+       cmove    r15, rdi
        jmp      SHORT G_M23625_IG08
-						;; size=102 bbWeight=0.50 PerfScore 12.50
+						;; size=74 bbWeight=0.50 PerfScore 10.38
 G_M23625_IG04:
-       mov      rdi, r15
-       mov      rsi, 0xD1FFAB1E      ; 'Protected '
-       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
-       call     [rax]System.String:Concat(System.String,System.String):System.String
-       mov      r14, rax
+       mov      r15, 0xD1FFAB1E      ; 'Protected '
        jmp      SHORT G_M23625_IG08
-						;; size=30 bbWeight=0.50 PerfScore 3.00
+						;; size=12 bbWeight=0.50 PerfScore 1.12
 G_M23625_IG05:
-       mov      rdi, r15
-       mov      rsi, 0xD1FFAB1E      ; 'Friend '
-       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
-       call     [rax]System.String:Concat(System.String,System.String):System.String
-       mov      r14, rax
+       mov      r15, 0xD1FFAB1E      ; 'Friend '
        jmp      SHORT G_M23625_IG08
-						;; size=30 bbWeight=0.50 PerfScore 3.00
+						;; size=12 bbWeight=0.50 PerfScore 1.12
 G_M23625_IG06:
-       mov      rdi, r15
-       mov      rsi, 0xD1FFAB1E      ; 'Private '
-       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
-       call     [rax]System.String:Concat(System.String,System.String):System.String
-       mov      r14, rax
+       mov      r15, 0xD1FFAB1E      ; 'Private '
        jmp      SHORT G_M23625_IG08
-						;; size=30 bbWeight=0.50 PerfScore 3.00
+						;; size=12 bbWeight=0.50 PerfScore 1.12
 G_M23625_IG07:
-       mov      rdi, r15
-       mov      rsi, 0xD1FFAB1E      ; 'Public '
-       mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
-       call     [rax]System.String:Concat(System.String,System.String):System.String
-       mov      r14, rax
-						;; size=28 bbWeight=0.50 PerfScore 2.00
+       mov      r15, 0xD1FFAB1E      ; 'Public '
+						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M23625_IG08:
        mov      rdi, rbx
-       mov      rax, qword ptr [r13+0x40]
+       mov      rax, qword ptr [r14+0x40]
        call     [rax+0x30]System.Reflection.MemberInfo:get_Name():System.String:this
        mov      rsi, rax
-       mov      rdi, r14
+       mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
        call     [rax]System.String:Concat(System.String,System.String):System.String
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; ' As '
        mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
        call     [rax]System.String:Concat(System.String,System.String):System.String
        mov      rbx, rax
-       mov      rdi, gword ptr [rbp-0x30]
+       mov      rdi, r12
        mov      esi, 1
        mov      rax, 0xD1FFAB1E      ; code for Microsoft.VisualBasic.CompilerServices.Utils:VBFriendlyNameOfType(System.Type,bool):System.String
        call     [rax]Microsoft.VisualBasic.CompilerServices.Utils:VBFriendlyNameOfType(System.Type,bool):System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
        call     [rax]System.String:Concat(System.String,System.String):System.String
        nop      
-						;; size=96 bbWeight=1 PerfScore 21.50
+						;; size=95 bbWeight=1 PerfScore 20.75
 G_M23625_IG09:
        add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
 
-; Total bytes of code 402, prolog size 16, PerfScore 70.50, instruction count 99, allocated bytes for code 402 (MethodHash=ffd0a3b6) for method Microsoft.VisualBasic.CompilerServices.Utils:FieldToString(System.Reflection.FieldInfo):System.String (FullOpts)
+; Total bytes of code 291, prolog size 16, PerfScore 59.12, instruction count 78, allocated bytes for code 291 (MethodHash=ffd0a3b6) for method Microsoft.VisualBasic.CompilerServices.Utils:FieldToString(System.Reflection.FieldInfo):System.String (FullOpts)
 ; ============================================================

-74 (-3.78 % of base) - System.Xml.Serialization.XmlSerializationILGen:GenerateSerializerContract(System.Xml.Serialization.XmlMapping[],System.Type[],System.String,System.String[],System.String,System.String[],System.Collections.Generic.Dictionary`2[System.String,System.String]):this

 ; Assembly listing for method System.Xml.Serialization.XmlSerializationILGen:GenerateSerializerContract(System.Xml.Serialization.XmlMapping[],System.Type[],System.String,System.String[],System.String,System.String[],System.Collections.Generic.Dictionary`2[System.String,System.String]):this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 37 single block inlinees; 26 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] ( 35, 35   )     ref  ->  rbx         this class-hnd single-def <System.Xml.Serialization.XmlSerializationILGen>
 ;  V01 arg1         [V01,T07] (  5,  5   )     ref  ->  r15         class-hnd single-def <System.Xml.Serialization.XmlMapping[]>
-;  V02 arg2         [V02,T31] (  3,  3   )     ref  ->  [rbp-0x38]  class-hnd single-def <System.Type[]>
-;  V03 arg3         [V03,T29] (  4,  3   )     ref  ->  r14         class-hnd single-def <System.String>
-;  V04 arg4         [V04,T32] (  3,  3   )     ref  ->  [rbp-0x40]  class-hnd single-def <System.String[]>
-;  V05 arg5         [V05,T30] (  4,  3   )     ref  ->  r13         class-hnd single-def <System.String>
+;  V02 arg2         [V02,T30] (  3,  3   )     ref  ->  [rbp-0x40]  class-hnd single-def <System.Type[]>
+;  V03 arg3         [V03,T28] (  4,  3   )     ref  ->  r14         class-hnd single-def <System.String>
+;  V04 arg4         [V04,T31] (  3,  3   )     ref  ->  [rbp-0x48]  class-hnd single-def <System.String[]>
+;  V05 arg5         [V05,T29] (  4,  3   )     ref  ->  r13         class-hnd single-def <System.String>
 ;  V06 arg6         [V06,T53] (  1,  1   )     ref  ->  [rbp+0x10]  class-hnd single-def <System.String[]>
 ;  V07 arg7         [V07,T48] (  2,  2   )     ref  ->  [rbp+0x18]  class-hnd single-def <System.Collections.Generic.Dictionary`2[System.String,System.String]>
-;  V08 loc0         [V08,T01] ( 14, 14   )     ref  ->  [rbp-0x48]  class-hnd spill-single-def <System.Reflection.Emit.TypeBuilder>
-;  V09 loc1         [V09,T33] (  4,  4   )     ref  ->  rax         class-hnd <System.Reflection.ConstructorInfo>
+;  V08 loc0         [V08,T01] ( 14, 14   )     ref  ->  [rbp-0x50]  class-hnd spill-single-def <System.Reflection.Emit.TypeBuilder>
+;  V09 loc1         [V09,T32] (  4,  4   )     ref  ->  rax         class-hnd <System.Reflection.ConstructorInfo>
 ;  V10 loc2         [V10,T49] (  2,  2   )     ref  ->  r13         class-hnd single-def <System.Reflection.Emit.FieldBuilder>
 ;  V11 loc3         [V11,T50] (  2,  2   )     ref  ->  r12         class-hnd single-def <System.Reflection.Emit.FieldBuilder>
-;  V12 loc4         [V12,T51] (  2,  2   )     ref  ->  [rbp-0x50]  class-hnd spill-single-def <System.Reflection.Emit.FieldBuilder>
+;  V12 loc4         [V12,T51] (  2,  2   )     ref  ->  [rbp-0x58]  class-hnd spill-single-def <System.Reflection.Emit.FieldBuilder>
 ;  V13 loc5         [V13,T52] (  2,  2   )     ref  ->  r15         class-hnd single-def <System.Reflection.ConstructorInfo>
-;  V14 loc6         [V14,T34] (  4,  4   )     ref  ->  r15         class-hnd single-def <System.Reflection.TypeInfo>
+;  V14 loc6         [V14,T33] (  4,  4   )     ref  ->  r15         class-hnd single-def <System.Reflection.TypeInfo>
 ;  V15 OutArgs      [V15    ] (  1,  1   )  struct (32) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <UNNAMED>
-;  V16 tmp1         [V16,T09] (  3,  6   )     ref  ->  [rbp-0x58]  class-hnd exact spill-single-def "NewObj constructor temp" <System.Xml.Serialization.CodeGenerator>
-;  V17 tmp2         [V17,T10] (  3,  6   )     ref  ->  [rbp-0x60]  class-hnd spill-single-def "impAppendStmt" <System.Reflection.Emit.PropertyBuilder>
-;  V18 tmp3         [V18,T02] (  7, 14   )     ref  ->  [rbp-0x68]  class-hnd exact spill-single-def "impAppendStmt" <System.Xml.Serialization.CodeGenerator>
+;  V16 tmp1         [V16,T08] (  3,  6   )     ref  ->  [rbp-0x60]  class-hnd exact spill-single-def "NewObj constructor temp" <System.Xml.Serialization.CodeGenerator>
+;  V17 tmp2         [V17,T09] (  3,  6   )     ref  ->  [rbp-0x68]  class-hnd spill-single-def "impAppendStmt" <System.Reflection.Emit.PropertyBuilder>
+;  V18 tmp3         [V18,T02] (  7, 14   )     ref  ->  [rbp-0x70]  class-hnd exact spill-single-def "impAppendStmt" <System.Xml.Serialization.CodeGenerator>
 ;* V19 tmp4         [V19    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "impAppendStmt" <System.RuntimeType>
-;  V20 tmp5         [V20,T11] (  3,  6   )     ref  ->  r12         class-hnd exact single-def "NewObj constructor temp" <System.Xml.Serialization.CodeGenerator>
-;  V21 tmp6         [V21,T12] (  3,  6   )     ref  ->  r12         class-hnd single-def "impAppendStmt" <System.Reflection.Emit.PropertyBuilder>
-;  V22 tmp7         [V22,T03] (  7, 14   )     ref  ->  [rbp-0x70]  class-hnd exact spill-single-def "impAppendStmt" <System.Xml.Serialization.CodeGenerator>
+;  V20 tmp5         [V20,T10] (  3,  6   )     ref  ->  r12         class-hnd exact single-def "NewObj constructor temp" <System.Xml.Serialization.CodeGenerator>
+;  V21 tmp6         [V21,T11] (  3,  6   )     ref  ->  r12         class-hnd single-def "impAppendStmt" <System.Reflection.Emit.PropertyBuilder>
+;  V22 tmp7         [V22,T03] (  7, 14   )     ref  ->  [rbp-0x78]  class-hnd exact spill-single-def "impAppendStmt" <System.Xml.Serialization.CodeGenerator>
 ;* V23 tmp8         [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "impAppendStmt" <System.RuntimeType>
-;  V24 tmp9         [V24,T13] (  3,  6   )     ref  ->  [rbp-0x78]  class-hnd exact spill-single-def "NewObj constructor temp" <System.Xml.Serialization.CodeGenerator>
-;  V25 tmp10        [V25,T04] (  7, 14   )     ref  ->  [rbp-0x80]  class-hnd exact spill-single-def "impAppendStmt" <System.Xml.Serialization.CodeGenerator>
+;  V24 tmp9         [V24,T12] (  3,  6   )     ref  ->  [rbp-0x80]  class-hnd exact spill-single-def "NewObj constructor temp" <System.Xml.Serialization.CodeGenerator>
+;  V25 tmp10        [V25,T04] (  7, 14   )     ref  ->  [rbp-0x88]  class-hnd exact spill-single-def "impAppendStmt" <System.Xml.Serialization.CodeGenerator>
 ;* V26 tmp11        [V26    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "impAppendStmt" <System.RuntimeType>
-;  V27 tmp12        [V27,T14] (  3,  6   )     ref  ->  rbx         class-hnd single-def "non-inline candidate call" <System.Collections.Generic.Dictionary`2[System.String,System.Type]>
-;  V28 tmp13        [V28,T06] (  4,  8   )     ref  ->  [rbp-0x88]  class-hnd spill-single-def "Inlining Arg" <System.Reflection.Emit.ModuleBuilder>
+;  V27 tmp12        [V27,T13] (  3,  6   )     ref  ->  rbx         class-hnd single-def "non-inline candidate call" <System.Collections.Generic.Dictionary`2[System.String,System.Type]>
+;  V28 tmp13        [V28,T06] (  4,  8   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.ModuleBuilder>
 ;* V29 tmp14        [V29    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
-;  V30 tmp15        [V30,T08] (  5,  7   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
+;* V30 tmp15        [V30    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V31 tmp16        [V31    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
-;* V32 tmp17        [V32,T57] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V32 tmp17        [V32,T54] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V33 tmp18        [V33    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V34 tmp19        [V34,T15] (  3,  6   )     ref  ->  [rbp-0x90]  class-hnd exact spill-single-def "Inlining Arg" <System.Type[]>
+;  V34 tmp19        [V34,T14] (  3,  6   )     ref  ->  [rbp-0x90]  class-hnd exact spill-single-def "Inlining Arg" <System.Type[]>
 ;* V35 tmp20        [V35    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String[]>
-;  V36 tmp21        [V36,T16] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.TypeBuilder>
+;  V36 tmp21        [V36,T15] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.TypeBuilder>
 ;* V37 tmp22        [V37    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V38 tmp23        [V38,T17] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
+;  V38 tmp23        [V38,T16] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
 ;* V39 tmp24        [V39    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Xml.Serialization.CodeGenerator>
 ;* V40 tmp25        [V40    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
-;  V41 tmp26        [V41,T35] (  4,  4   )     ref  ->  rdi         class-hnd single-def "Inline return value spill temp" <System.Type>
-;  V42 tmp27        [V42,T18] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.Dictionary`2[System.String,System.Type]>
+;  V41 tmp26        [V41,T34] (  4,  4   )     ref  ->  rdi         class-hnd single-def "Inline return value spill temp" <System.Type>
+;  V42 tmp27        [V42,T17] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.Dictionary`2[System.String,System.Type]>
 ;  V43 tmp28        [V43,T45] (  3,  3   )   byref  ->  rax         single-def "Inline stloc first use temp"
 ;* V44 tmp29        [V44    ] (  0,  0   )     ref  ->  zero-ref    ld-addr-op class-hnd "Inline ldloca(s) first use temp" <System.Type>
 ;* V45 tmp30        [V45    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
 ;* V46 tmp31        [V46    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
 ;  V47 tmp32        [V47,T38] (  2,  4   )     ref  ->   r8         class-hnd exact single-def "Inlining Arg" <System.Type[]>
-;* V48 tmp33        [V48,T54] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
+;* V48 tmp33        [V48,T55] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V49 tmp34        [V49    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Type>
 ;* V50 tmp35        [V50    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V51 tmp36        [V51,T19] (  3,  6   )     ref  ->  [rbp-0x98]  class-hnd exact spill-single-def "Inlining Arg" <System.Type[]>
+;  V51 tmp36        [V51,T18] (  3,  6   )     ref  ->  [rbp-0x98]  class-hnd exact spill-single-def "Inlining Arg" <System.Type[]>
 ;* V52 tmp37        [V52    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String[]>
-;  V53 tmp38        [V53,T20] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.TypeBuilder>
+;  V53 tmp38        [V53,T19] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.TypeBuilder>
 ;* V54 tmp39        [V54    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V55 tmp40        [V55,T21] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
+;  V55 tmp40        [V55,T20] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
 ;* V56 tmp41        [V56    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Xml.Serialization.CodeGenerator>
 ;* V57 tmp42        [V57    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
-;  V58 tmp43        [V58,T36] (  4,  4   )     ref  ->  rdi         class-hnd single-def "Inline return value spill temp" <System.Type>
-;  V59 tmp44        [V59,T22] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.Dictionary`2[System.String,System.Type]>
+;  V58 tmp43        [V58,T35] (  4,  4   )     ref  ->  rdi         class-hnd single-def "Inline return value spill temp" <System.Type>
+;  V59 tmp44        [V59,T21] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.Dictionary`2[System.String,System.Type]>
 ;  V60 tmp45        [V60,T46] (  3,  3   )   byref  ->  rax         single-def "Inline stloc first use temp"
 ;* V61 tmp46        [V61    ] (  0,  0   )     ref  ->  zero-ref    ld-addr-op class-hnd "Inline ldloca(s) first use temp" <System.Type>
 ;* V62 tmp47        [V62    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
 ;* V63 tmp48        [V63    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
 ;  V64 tmp49        [V64,T39] (  2,  4   )     ref  ->   r8         class-hnd exact single-def "Inlining Arg" <System.Type[]>
-;* V65 tmp50        [V65,T55] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
+;* V65 tmp50        [V65,T56] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V66 tmp51        [V66    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Type>
 ;* V67 tmp52        [V67    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
 ;* V68 tmp53        [V68    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Type[]>
 ;  V69 tmp54        [V69,T40] (  2,  4   )     ref  ->   r8         class-hnd exact single-def "Inlining Arg" <System.Type[]>
-;* V70 tmp55        [V70,T56] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
+;* V70 tmp55        [V70,T57] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V71 tmp56        [V71    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Type>
-;  V72 tmp57        [V72,T23] (  3,  6   )     ref  ->  r14         class-hnd exact single-def "Inlining Arg" <System.Type[]>
+;  V72 tmp57        [V72,T22] (  3,  6   )     ref  ->  r14         class-hnd exact single-def "Inlining Arg" <System.Type[]>
 ;* V73 tmp58        [V73    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String[]>
-;  V74 tmp59        [V74,T24] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.TypeBuilder>
+;  V74 tmp59        [V74,T23] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.TypeBuilder>
 ;* V75 tmp60        [V75    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V76 tmp61        [V76,T25] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
+;  V76 tmp61        [V76,T24] (  3,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Reflection.Emit.MethodBuilder>
 ;  V77 tmp62        [V77,T41] (  2,  4   )     ref  ->  rsi         class-hnd exact single-def "Inlining Arg" <System.String>
-;  V78 tmp63        [V78,T26] (  3,  6   )     ref  ->  rdi         single-def "argument with side effect"
+;  V78 tmp63        [V78,T25] (  3,  6   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V79 tmp64        [V79,T42] (  2,  4   )     int  ->  rcx         "argument with side effect"
-;  V80 tmp65        [V80,T27] (  3,  6   )     ref  ->  rdi         single-def "argument with side effect"
+;  V80 tmp65        [V80,T26] (  3,  6   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V81 tmp66        [V81,T43] (  2,  4   )     int  ->  rcx         "argument with side effect"
-;  V82 tmp67        [V82,T28] (  3,  6   )     ref  ->  rdi         single-def "argument with side effect"
+;  V82 tmp67        [V82,T27] (  3,  6   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V83 tmp68        [V83,T44] (  2,  4   )     int  ->  rcx         "argument with side effect"
-;  V84 cse0         [V84,T47] (  3,  3   )    long  ->  [rbp-0x30]  spill-single-def "CSE #05: conservative"
-;  V85 cse1         [V85,T05] (  8,  8   )     ref  ->  [rbp-0xA0]  spill-single-def "CSE #01: moderate"
-;  V86 cse2         [V86,T37] (  4,  4   )     ref  ->  [rbp-0xA8]  spill-single-def "CSE #07: conservative"
+;  V84 cse0         [V84,T47] (  3,  3   )    long  ->  [rbp-0x30]  spill-single-def "CSE #06: conservative"
+;  V85 cse1         [V85,T05] (  8,  8   )     ref  ->  [rbp-0xA0]  spill-single-def "CSE #02: moderate"
+;  V86 cse2         [V86,T36] (  4,  4   )     ref  ->  [rbp-0xA8]  spill-single-def "CSE #08: moderate"
+;  V87 cse3         [V87,T37] (  4,  4   )    long  ->  [rbp-0x38]  spill-single-def "CSE #04: moderate"
 ;
 ; Lcl frame size = 168
 
 G_M21127_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 168
        lea      rbp, [rsp+0xD0]
-       mov      gword ptr [rbp-0x38], rdx
-       mov      gword ptr [rbp-0x40], r8
+       mov      gword ptr [rbp-0x40], rdx
+       mov      gword ptr [rbp-0x48], r8
        mov      rbx, rdi
        mov      r15, rsi
        mov      r14, rcx
        mov      r13, r9
 						;; size=45 bbWeight=1 PerfScore 9.75
 G_M21127_IG02:
-       mov      rdx, gword ptr [rbx+0x60]
-       mov      gword ptr [rbp-0x88], rdx
-       mov      rdi, 0xD1FFAB1E      ; 'Microsoft.Xml.Serialization.GeneratedAssembly.'
-       mov      rsi, 0xD1FFAB1E      ; 'XmlSerializerContract'
-       mov      r8, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String):System.String
-       call     [r8]System.String:Concat(System.String,System.String):System.String
-       mov      r10, gword ptr [rbp-0x88]
-       cmp      byte  ptr [r10], r10b
-       test     rax, rax
-       je       G_M21127_IG23
-						;; size=63 bbWeight=1 PerfScore 11.00
-G_M21127_IG03:
-       cmp      dword ptr [rax+0x08], 0
-       je       G_M21127_IG23
-						;; size=10 bbWeight=0.50 PerfScore 1.50
-G_M21127_IG04:
+       mov      rdi, gword ptr [rbx+0x60]
+       cmp      byte  ptr [rdi], dil
        xor      r8d, r8d
        mov      dword ptr [rsp], r8d
        mov      r8, 0xD1FFAB1E      ; const ptr
        mov      r11, gword ptr [r8]
        mov      gword ptr [rbp-0xA0], r11
        mov      r8, r11
-       mov      rdi, r10
-       mov      rsi, rax
+       mov      rsi, 0xD1FFAB1E      ; 'Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializerCont'
        mov      edx, 0xD1FFAB1E
        mov      rcx, 0xD1FFAB1E      ; 'System.Xml.Serialization.XmlSerializerImplementation'
        xor      r9d, r9d
-       mov      rax, qword ptr [r10]
-       mov      rax, qword ptr [rax+0x68]
-       call     [rax+0x08]System.Reflection.Emit.ModuleBuilder:DefineTypeCore(System.String,int,System.Type,System.Type[],int,int):System.Reflection.Emit.TypeBuilder:this
-       mov      gword ptr [rbp-0x48], rax
-       mov      rdi, 0xD1FFAB1E      ; System.Xml.Serialization.CodeGenerator
+       mov      r10, qword ptr [rdi]
+       mov      r10, qword ptr [r10+0x68]
+       call     [r10+0x08]System.Reflection.Emit.ModuleBuilder:DefineTypeCore(System.String,int,System.Type,System.Type[],int,int):System.Reflection.Emit.TypeBuilder:this
+       mov      gword ptr [rbp-0x50], rax
+       mov      rcx, 0xD1FFAB1E      ; System.Xml.Serialization.CodeGenerator
+       mov      qword ptr [rbp-0x38], rcx
+       mov      rdi, rcx
        call     CORINFO_HELP_NEWSFAST
-       mov      gword ptr [rbp-0x58], rax
+       mov      gword ptr [rbp-0x60], rax
        mov      rdi, rax
-       mov      rsi, gword ptr [rbp-0x48]
+       mov      rsi, gword ptr [rbp-0x50]
        mov      rcx, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:.ctor(System.Reflection.Emit.TypeBuilder):this
        call     [rcx]System.Xml.Serialization.CodeGenerator:.ctor(System.Reflection.Emit.TypeBuilder):this
        lea      rdi, bword ptr [rbx+0x70]
-       mov      rsi, gword ptr [rbp-0x58]
+       mov      rsi, gword ptr [rbp-0x60]
        call     CORINFO_HELP_ASSIGN_REF
        xor      rdi, rdi
        mov      gword ptr [rsp], rdi
-						;; size=125 bbWeight=1 PerfScore 24.50
-G_M21127_IG05:
+						;; size=144 bbWeight=1 PerfScore 29.50
+G_M21127_IG03:
        mov      gword ptr [rsp+0x08], rdi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG06:
+G_M21127_IG04:
        mov      gword ptr [rsp+0x10], rdi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG07:
+G_M21127_IG05:
        mov      gword ptr [rsp+0x18], rdi
-       mov      rdi, gword ptr [rbp-0x48]
+       mov      rdi, gword ptr [rbp-0x50]
        mov      rsi, 0xD1FFAB1E      ; 'Reader'
        xor      edx, edx
        xor      ecx, ecx
        mov      r8, 0xD1FFAB1E      ; 'System.Xml.Serialization.XmlSerializationReader'
        xor      r9, r9
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0xD0]
        mov      qword ptr [rbp-0x30], rax
        call     [rax+0x38]System.Reflection.Emit.TypeBuilder:DefinePropertyCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.PropertyBuilder:this
-       mov      gword ptr [rbp-0x60], rax
+       mov      gword ptr [rbp-0x68], rax
        mov      r10, gword ptr [rbx+0x70]
-       mov      gword ptr [rbp-0x68], r10
+       mov      gword ptr [rbp-0x70], r10
        mov      r11, gword ptr [rbp-0xA0]
        mov      r9, r11
        mov      gword ptr [rbp-0x90], r9
        mov      rdi, gword ptr [r10+0x08]
        xor      rsi, rsi
        mov      gword ptr [rsp], rsi
        mov      gword ptr [rsp+0x08], r9
 						;; size=97 bbWeight=1 PerfScore 21.75
-G_M21127_IG08:
+G_M21127_IG06:
        mov      gword ptr [rsp+0x10], rsi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG09:
+G_M21127_IG07:
        mov      gword ptr [rsp+0x18], rsi
        mov      rsi, 0xD1FFAB1E      ; 'get_Reader'
        mov      edx, 0x8C6
        mov      ecx, 1
        mov      r8, 0xD1FFAB1E      ; 'System.Xml.Serialization.XmlSerializationReader'
        xor      r9, r9
        mov      r12, qword ptr [rdi]
        mov      r12, qword ptr [r12+0xD0]
        call     [r12+0x18]System.Reflection.Emit.TypeBuilder:DefineMethodCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.MethodBuilder:this
        mov      rsi, rax
-       mov      r12, gword ptr [rbp-0x68]
+       mov      r12, gword ptr [rbp-0x70]
        lea      rdi, bword ptr [r12+0x10]
        call     CORINFO_HELP_ASSIGN_REF
        mov      rdi, gword ptr [r12+0x10]
        mov      esi, 64
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x70]
        call     [rax+0x08]System.Reflection.Emit.MethodBuilder:GetILGeneratorCore(int):System.Reflection.Emit.ILGenerator:this
        mov      rsi, rax
        lea      rdi, bword ptr [r12+0x18]
        call     CORINFO_HELP_ASSIGN_REF
        mov      rdi, gword ptr [r12+0x10]
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x50]
        call     [rax+0x20]System.Reflection.MethodBase:get_Attributes():int:this
        test     al, 16
        setne    cl
        movzx    rcx, cl
        mov      rdx, 0xD1FFAB1E      ; const ptr
        mov      rax, gword ptr [rdx]
        mov      gword ptr [rbp-0xA8], rax
        mov      rdx, rax
        mov      rsi, gword ptr [rbp-0x90]
        mov      rdi, r12
        mov      r8, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:InitILGeneration(System.Type[],System.String[],bool):this
        call     [r8]System.Xml.Serialization.CodeGenerator:InitILGeneration(System.Type[],System.String[],bool):this
        mov      rsi, gword ptr [rbx+0x70]
        mov      rsi, gword ptr [rsi+0x10]
-       mov      rdi, gword ptr [rbp-0x60]
+       mov      rdi, gword ptr [rbp-0x68]
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x68]
        call     [rax]System.Reflection.Emit.PropertyBuilder:SetGetMethodCore(System.Reflection.Emit.MethodBuilder):this
        mov      rdi, gword ptr [rbx+0x18]
 						;; size=198 bbWeight=1 PerfScore 55.00
-G_M21127_IG10:
+G_M21127_IG08:
        cmp      byte  ptr [rdi], dil
        mov      rsi, r14
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
        call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
        test     rax, rax
-       je       G_M21127_IG24
+       je       G_M21127_IG21
        mov      rdi, gword ptr [rax]
        cmp      byte  ptr [rdi], dil
        mov      r14, gword ptr [rbp-0xA0]
        mov      r8, r14
        mov      esi, 52
        xor      rdx, rdx
        mov      ecx, 3
        xor      r9, r9
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x78]
        call     [rax+0x38]System.Type:GetConstructorImpl(int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.ConstructorInfo:this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rsi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:New(System.Reflection.ConstructorInfo):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:New(System.Reflection.ConstructorInfo):this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:EndMethod():System.Reflection.Emit.MethodBuilder:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:EndMethod():System.Reflection.Emit.MethodBuilder:this
-       mov      rdi, 0xD1FFAB1E      ; System.Xml.Serialization.CodeGenerator
+       mov      rdi, qword ptr [rbp-0x38]
        call     CORINFO_HELP_NEWSFAST
        mov      r12, rax
        mov      rdi, r12
-       mov      rsi, gword ptr [rbp-0x48]
+       mov      rsi, gword ptr [rbp-0x50]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:.ctor(System.Reflection.Emit.TypeBuilder):this
        call     [rax]System.Xml.Serialization.CodeGenerator:.ctor(System.Reflection.Emit.TypeBuilder):this
        lea      rdi, bword ptr [rbx+0x70]
        mov      rsi, r12
        call     CORINFO_HELP_ASSIGN_REF
        xor      rdi, rdi
        mov      gword ptr [rsp], rdi
-						;; size=162 bbWeight=1 PerfScore 43.75
-G_M21127_IG11:
+						;; size=156 bbWeight=1 PerfScore 44.50
+G_M21127_IG09:
        mov      gword ptr [rsp+0x08], rdi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG12:
+G_M21127_IG10:
        mov      gword ptr [rsp+0x10], rdi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG13:
+G_M21127_IG11:
        mov      gword ptr [rsp+0x18], rdi
-       mov      rdi, gword ptr [rbp-0x48]
+       mov      rdi, gword ptr [rbp-0x50]
        mov      rsi, 0xD1FFAB1E      ; 'Writer'
        xor      edx, edx
        xor      ecx, ecx
        mov      r8, 0xD1FFAB1E      ; 'System.Xml.Serialization.XmlSerializationWriter'
        xor      r9, r9
        mov      r12, qword ptr [rbp-0x30]
        call     [r12+0x38]System.Reflection.Emit.TypeBuilder:DefinePropertyCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.PropertyBuilder:this
        mov      r12, rax
        mov      rax, gword ptr [rbx+0x70]
-       mov      gword ptr [rbp-0x70], rax
+       mov      gword ptr [rbp-0x78], rax
        mov      r10, r14
        mov      gword ptr [rbp-0x98], r10
        mov      rdi, gword ptr [rax+0x08]
        xor      rsi, rsi
        mov      gword ptr [rsp], rsi
        mov      gword ptr [rsp+0x08], r10
 						;; size=81 bbWeight=1 PerfScore 16.00
-G_M21127_IG14:
+G_M21127_IG12:
        mov      gword ptr [rsp+0x10], rsi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG15:
+G_M21127_IG13:
        mov      gword ptr [rsp+0x18], rsi
        mov      rsi, 0xD1FFAB1E      ; 'get_Writer'
        mov      edx, 0x8C6
        mov      ecx, 1
        mov      r8, 0xD1FFAB1E      ; 'System.Xml.Serialization.XmlSerializationWriter'
        xor      r9, r9
        mov      r11, qword ptr [rdi]
        mov      r11, qword ptr [r11+0xD0]
        call     [r11+0x18]System.Reflection.Emit.TypeBuilder:DefineMethodCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.MethodBuilder:this
        mov      rsi, rax
-       mov      rax, gword ptr [rbp-0x70]
+       mov      rax, gword ptr [rbp-0x78]
        lea      rdi, bword ptr [rax+0x10]
        call     CORINFO_HELP_ASSIGN_REF
-       mov      rax, gword ptr [rbp-0x70]
+       mov      rax, gword ptr [rbp-0x78]
        mov      rdi, gword ptr [rax+0x10]
        mov      esi, 64
        mov      rcx, qword ptr [rdi]
        mov      rcx, qword ptr [rcx+0x70]
        call     [rcx+0x08]System.Reflection.Emit.MethodBuilder:GetILGeneratorCore(int):System.Reflection.Emit.ILGenerator:this
        mov      rsi, rax
-       mov      rax, gword ptr [rbp-0x70]
+       mov      rax, gword ptr [rbp-0x78]
        lea      rdi, bword ptr [rax+0x18]
        call     CORINFO_HELP_ASSIGN_REF
-       mov      rax, gword ptr [rbp-0x70]
+       mov      rax, gword ptr [rbp-0x78]
        mov      rdi, gword ptr [rax+0x10]
        mov      rcx, qword ptr [rdi]
        mov      rcx, qword ptr [rcx+0x50]
        call     [rcx+0x20]System.Reflection.MethodBase:get_Attributes():int:this
        test     al, 16
        setne    cl
        movzx    rcx, cl
        mov      rdx, gword ptr [rbp-0xA8]
        mov      rsi, gword ptr [rbp-0x98]
-       mov      rdi, gword ptr [rbp-0x70]
+       mov      rdi, gword ptr [rbp-0x78]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:InitILGeneration(System.Type[],System.String[],bool):this
        call     [rax]System.Xml.Serialization.CodeGenerator:InitILGeneration(System.Type[],System.String[],bool):this
        mov      rsi, gword ptr [rbx+0x70]
        mov      rsi, gword ptr [rsi+0x10]
        mov      rdi, r12
        mov      rax, qword ptr [r12]
        mov      rax, qword ptr [rax+0x68]
        call     [rax]System.Reflection.Emit.PropertyBuilder:SetGetMethodCore(System.Reflection.Emit.MethodBuilder):this
        mov      rdi, gword ptr [rbx+0x18]
 						;; size=188 bbWeight=1 PerfScore 55.50
-G_M21127_IG16:
+G_M21127_IG14:
        cmp      byte  ptr [rdi], dil
        mov      rsi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
        call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:FindValue(System.__Canon):byref:this
        test     rax, rax
-       je       G_M21127_IG25
+       je       G_M21127_IG22
        mov      rdi, gword ptr [rax]
        cmp      byte  ptr [rdi], dil
        mov      r8, r14
        mov      esi, 52
        xor      rdx, rdx
        mov      ecx, 3
        xor      r9, r9
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x78]
        call     [rax+0x38]System.Type:GetConstructorImpl(int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.ConstructorInfo:this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rsi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:New(System.Reflection.ConstructorInfo):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:New(System.Reflection.ConstructorInfo):this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:EndMethod():System.Reflection.Emit.MethodBuilder:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:EndMethod():System.Reflection.Emit.MethodBuilder:this
        mov      rdi, rbx
        mov      r8, r15
-       mov      r9, gword ptr [rbp-0x48]
-       mov      rcx, gword ptr [rbp-0x40]
+       mov      r9, gword ptr [rbp-0x50]
+       mov      rcx, gword ptr [rbp-0x48]
        mov      rsi, 0xD1FFAB1E      ; 'readMethods'
        mov      rdx, 0xD1FFAB1E      ; 'ReadMethods'
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.XmlSerializationILGen:GeneratePublicMethods(System.String,System.String,System.String[],System.Xml.Serialization.XmlMapping[],System.Reflection.Emit.TypeBuilder):System.Reflection.Emit.FieldBuilder:this
        call     [rax]System.Xml.Serialization.XmlSerializationILGen:GeneratePublicMethods(System.String,System.String,System.String[],System.Xml.Serialization.XmlMapping[],System.Reflection.Emit.TypeBuilder):System.Reflection.Emit.FieldBuilder:this
        mov      r13, rax
        mov      rdi, rbx
        mov      r8, r15
-       mov      r9, gword ptr [rbp-0x48]
+       mov      r9, gword ptr [rbp-0x50]
        mov      rcx, gword ptr [rbp+0x10]
        mov      rsi, 0xD1FFAB1E      ; 'writeMethods'
        mov      rdx, 0xD1FFAB1E      ; 'WriteMethods'
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.XmlSerializationILGen:GeneratePublicMethods(System.String,System.String,System.String[],System.Xml.Serialization.XmlMapping[],System.Reflection.Emit.TypeBuilder):System.Reflection.Emit.FieldBuilder:this
        call     [rax]System.Xml.Serialization.XmlSerializationILGen:GeneratePublicMethods(System.String,System.String,System.String[],System.Xml.Serialization.XmlMapping[],System.Reflection.Emit.TypeBuilder):System.Reflection.Emit.FieldBuilder:this
        mov      r12, rax
        mov      rdi, rbx
        mov      rsi, gword ptr [rbp+0x18]
 						;; size=205 bbWeight=1 PerfScore 48.00
-G_M21127_IG17:
-       mov      rdx, gword ptr [rbp-0x48]
+G_M21127_IG15:
+       mov      rdx, gword ptr [rbp-0x50]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.XmlSerializationILGen:GenerateTypedSerializers(System.Collections.Generic.Dictionary`2[System.String,System.String],System.Reflection.Emit.TypeBuilder):System.Reflection.Emit.FieldBuilder:this
        call     [rax]System.Xml.Serialization.XmlSerializationILGen:GenerateTypedSerializers(System.Collections.Generic.Dictionary`2[System.String,System.String],System.Reflection.Emit.TypeBuilder):System.Reflection.Emit.FieldBuilder:this
-       mov      gword ptr [rbp-0x50], rax
+       mov      gword ptr [rbp-0x58], rax
        mov      rdi, rbx
-       mov      rsi, gword ptr [rbp-0x38]
-       mov      rdx, gword ptr [rbp-0x48]
+       mov      rsi, gword ptr [rbp-0x40]
+       mov      rdx, gword ptr [rbp-0x50]
        mov      rcx, 0xD1FFAB1E      ; code for System.Xml.Serialization.XmlSerializationILGen:GenerateSupportedTypes(System.Type[],System.Reflection.Emit.TypeBuilder):this
        call     [rcx]System.Xml.Serialization.XmlSerializationILGen:GenerateSupportedTypes(System.Type[],System.Reflection.Emit.TypeBuilder):this
        mov      rdi, rbx
        mov      rsi, gword ptr [rbp+0x18]
        mov      rdx, r15
-       mov      rcx, gword ptr [rbp-0x48]
+       mov      rcx, gword ptr [rbp-0x50]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.XmlSerializationILGen:GenerateGetSerializer(System.Collections.Generic.Dictionary`2[System.String,System.String],System.Xml.Serialization.XmlMapping[],System.Reflection.Emit.TypeBuilder):this
        call     [rax]System.Xml.Serialization.XmlSerializationILGen:GenerateGetSerializer(System.Collections.Generic.Dictionary`2[System.String,System.String],System.Xml.Serialization.XmlMapping[],System.Reflection.Emit.TypeBuilder):this
        mov      r8, r14
        mov      rdi, 0xD1FFAB1E      ; 'System.Xml.Serialization.XmlSerializerImplementation'
        mov      esi, 52
        xor      rdx, rdx
        mov      ecx, 3
        xor      r9, r9
        mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:GetConstructorImpl(int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.ConstructorInfo:this
        call     [rax]System.RuntimeType:GetConstructorImpl(int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.ConstructorInfo:this
        mov      r15, rax
-       mov      rdi, 0xD1FFAB1E      ; System.Xml.Serialization.CodeGenerator
+       mov      rdi, qword ptr [rbp-0x38]
        call     CORINFO_HELP_NEWSFAST
-       mov      gword ptr [rbp-0x78], rax
+       mov      gword ptr [rbp-0x80], rax
        mov      rdi, rax
-       mov      rsi, gword ptr [rbp-0x48]
+       mov      rsi, gword ptr [rbp-0x50]
        mov      rcx, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:.ctor(System.Reflection.Emit.TypeBuilder):this
        call     [rcx]System.Xml.Serialization.CodeGenerator:.ctor(System.Reflection.Emit.TypeBuilder):this
        lea      rdi, bword ptr [rbx+0x70]
-       mov      rsi, gword ptr [rbp-0x78]
+       mov      rsi, gword ptr [rbp-0x80]
        call     CORINFO_HELP_ASSIGN_REF
        mov      rax, gword ptr [rbx+0x70]
-       mov      gword ptr [rbp-0x80], rax
+       mov      gword ptr [rbp-0x88], rax
        mov      rdi, gword ptr [rax+0x08]
        xor      rsi, rsi
        mov      gword ptr [rsp], rsi
        mov      gword ptr [rsp+0x08], r14
-						;; size=186 bbWeight=1 PerfScore 38.00
-G_M21127_IG18:
+						;; size=183 bbWeight=1 PerfScore 38.75
+G_M21127_IG16:
        mov      gword ptr [rsp+0x10], rsi
 						;; size=5 bbWeight=1 PerfScore 1.00
-G_M21127_IG19:
+G_M21127_IG17:
        mov      gword ptr [rsp+0x18], rsi
        mov      rsi, 0xD1FFAB1E      ; '.ctor'
        mov      edx, 0x1886
        mov      ecx, 1
        mov      r8, 0xD1FFAB1E      ; 'System.Void'
        xor      r9, r9
        mov      r10, qword ptr [rdi]
        mov      r10, qword ptr [r10+0xD0]
        call     [r10+0x18]System.Reflection.Emit.TypeBuilder:DefineMethodCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.MethodBuilder:this
        mov      rsi, rax
-       mov      rax, gword ptr [rbp-0x80]
+       mov      rax, gword ptr [rbp-0x88]
        lea      rdi, bword ptr [rax+0x10]
        call     CORINFO_HELP_ASSIGN_REF
-       mov      rax, gword ptr [rbp-0x80]
+       mov      rax, gword ptr [rbp-0x88]
        mov      rdi, gword ptr [rax+0x10]
        mov      esi, 64
        mov      rcx, qword ptr [rdi]
        mov      rcx, qword ptr [rcx+0x70]
        call     [rcx+0x08]System.Reflection.Emit.MethodBuilder:GetILGeneratorCore(int):System.Reflection.Emit.ILGenerator:this
        mov      rsi, rax
-       mov      rax, gword ptr [rbp-0x80]
+       mov      rax, gword ptr [rbp-0x88]
        lea      rdi, bword ptr [rax+0x18]
        call     CORINFO_HELP_ASSIGN_REF
-       mov      rax, gword ptr [rbp-0x80]
+       mov      rax, gword ptr [rbp-0x88]
        mov      rdi, gword ptr [rax+0x10]
        mov      rcx, qword ptr [rdi]
        mov      rcx, qword ptr [rcx+0x50]
        call     [rcx+0x20]System.Reflection.MethodBase:get_Attributes():int:this
        test     al, 16
        setne    cl
        movzx    rcx, cl
        mov      rdx, gword ptr [rbp-0xA8]
        mov      rsi, r14
-       mov      rdi, gword ptr [rbp-0x80]
+       mov      rdi, gword ptr [rbp-0x88]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:InitILGeneration(System.Type[],System.String[],bool):this
        call     [rax]System.Xml.Serialization.CodeGenerator:InitILGeneration(System.Type[],System.String[],bool):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      rsi, rsi
-						;; size=185 bbWeight=1 PerfScore 51.25
-G_M21127_IG20:
+						;; size=200 bbWeight=1 PerfScore 51.25
+G_M21127_IG18:
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Load(System.Object):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Load(System.Object):this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rsi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:StoreMember(System.Reflection.MemberInfo):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:StoreMember(System.Reflection.MemberInfo):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      rsi, rsi
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Load(System.Object):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Load(System.Object):this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rsi, r12
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:StoreMember(System.Reflection.MemberInfo):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:StoreMember(System.Reflection.MemberInfo):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      rsi, rsi
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Load(System.Object):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Load(System.Object):this
        mov      rdi, gword ptr [rbx+0x70]
-       mov      rsi, gword ptr [rbp-0x50]
+       mov      rsi, gword ptr [rbp-0x58]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:StoreMember(System.Reflection.MemberInfo):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:StoreMember(System.Reflection.MemberInfo):this
        mov      rdi, gword ptr [rbx+0x70]
        xor      esi, esi
 						;; size=164 bbWeight=1 PerfScore 60.75
-G_M21127_IG21:
+G_M21127_IG19:
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Ldarg(int):this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rsi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:Call(System.Reflection.ConstructorInfo):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:Call(System.Reflection.ConstructorInfo):this
        mov      rdi, gword ptr [rbx+0x70]
        mov      rax, 0xD1FFAB1E      ; code for System.Xml.Serialization.CodeGenerator:EndMethod():System.Reflection.Emit.MethodBuilder:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Xml.Serialization.CodeGenerator:EndMethod():System.Reflection.Emit.MethodBuilder:this
-       mov      rdi, gword ptr [rbp-0x48]
+       mov      rdi, gword ptr [rbp-0x50]
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0xC8]
        call     [rax+0x20]System.Reflection.Emit.TypeBuilder:CreateTypeInfoCore():System.Reflection.TypeInfo:this
        mov      r15, rax
        mov      rbx, gword ptr [rbx+0x18]
        mov      rdi, r15
        mov      rax, qword ptr [r15]
        mov      rax, qword ptr [rax+0x40]
        call     [rax+0x30]System.Reflection.MemberInfo:get_Name():System.String:this
        mov      rsi, rax
        cmp      byte  ptr [rbx], bl
        mov      rdi, rbx
        mov      rdx, r15
        mov      ecx, 2
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:TryInsert(System.__Canon,System.__Canon,byte):bool:this
        call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:TryInsert(System.__Canon,System.__Canon,byte):bool:this
        nop      
 						;; size=119 bbWeight=1 PerfScore 44.00
-G_M21127_IG22:
+G_M21127_IG20:
        add      rsp, 168
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=18 bbWeight=1 PerfScore 4.25
-G_M21127_IG23:
-       mov      rdi, rax
-       mov      rsi, 0xD1FFAB1E      ; 'name'
-       mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:ThrowNullOrEmptyException(System.String,System.String)
-       call     [rax]System.ArgumentException:ThrowNullOrEmptyException(System.String,System.String)
-       int3     
-						;; size=26 bbWeight=0 PerfScore 0.00
-G_M21127_IG24:
+G_M21127_IG21:
        mov      rsi, r14
        mov      rdi, 0xD1FFAB1E      ; System.ThrowHelper:ThrowKeyNotFoundException[System.String](System.String)
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowKeyNotFoundException[System.__Canon](System.__Canon)
        call     [rax]System.ThrowHelper:ThrowKeyNotFoundException[System.__Canon](System.__Canon)
        int3     
 						;; size=26 bbWeight=0 PerfScore 0.00
-G_M21127_IG25:
+G_M21127_IG22:
        mov      rsi, r13
        mov      rdi, 0xD1FFAB1E      ; System.ThrowHelper:ThrowKeyNotFoundException[System.String](System.String)
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowKeyNotFoundException[System.__Canon](System.__Canon)
        call     [rax]System.ThrowHelper:ThrowKeyNotFoundException[System.__Canon](System.__Canon)
        int3     
 						;; size=26 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 1959, prolog size 45, PerfScore 492.00, instruction count 444, allocated bytes for code 1959 (MethodHash=0b89ad78) for method System.Xml.Serialization.XmlSerializationILGen:GenerateSerializerContract(System.Xml.Serialization.XmlMapping[],System.Type[],System.String,System.String[],System.String,System.String[],System.Collections.Generic.Dictionary`2[System.String,System.String]):this (FullOpts)
+; Total bytes of code 1885, prolog size 45, PerfScore 486.00, instruction count 430, allocated bytes for code 1885 (MethodHash=0b89ad78) for method System.Xml.Serialization.XmlSerializationILGen:GenerateSerializerContract(System.Xml.Serialization.XmlMapping[],System.Type[],System.String,System.String[],System.String,System.String[],System.Collections.Generic.Dictionary`2[System.String,System.String]):this (FullOpts)
 ; ============================================================

Note: some changes were skipped as they were too large to fit into a comment.

Larger list of diffs: https://gist.github.com/MihuBot/d86fe75970b55ca685cd9cfafa821d9f

[MihuBot]

@EgorBo