[JitDiff X64] [EgorBo] Disable SkipLocalsInit and AllowUnsafeBlocks for S.P.Uri

[MihuBot]

Job completed in 18 minutes 17 seconds (remote runner delay: 49 seconds).
dotnet/runtime#121939

Diffs

Diffs

Found 105 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 45943360
Total bytes of diff: 45944533
Total bytes of delta: 1173 (0.00 % of base)
Total relative delta: 2.66
    diff is a regression.
    relative diff is a regression.


Top file regressions (bytes):
         764 : System.Private.Uri.dasm (0.72 % of base)
         120 : System.Private.Xml.dasm (0.00 % of base)
          29 : System.Security.Cryptography.dasm (0.00 % of base)
          24 : System.IO.Packaging.dasm (0.02 % of base)
          24 : System.Net.HttpListener.dasm (0.02 % of base)
          23 : System.Net.Security.dasm (0.01 % of base)
          23 : System.Net.Http.dasm (0.00 % of base)
          20 : System.DirectoryServices.Protocols.dasm (0.01 % of base)
          20 : System.Net.Requests.dasm (0.01 % of base)
          17 : System.Private.DataContractSerialization.dasm (0.00 % of base)
          16 : System.ServiceModel.Syndication.dasm (0.01 % of base)
          16 : System.Net.WebClient.dasm (0.03 % of base)
          16 : System.ComponentModel.TypeConverter.dasm (0.00 % of base)
          15 : System.Net.Primitives.dasm (0.01 % of base)
           9 : System.Diagnostics.Process.dasm (0.01 % of base)
           8 : System.Net.Mail.dasm (0.01 % of base)
           5 : System.Runtime.Serialization.Schema.dasm (0.01 % of base)
           4 : System.IO.IsolatedStorage.dasm (0.02 % of base)
           4 : System.Data.Common.dasm (0.00 % of base)
           4 : System.Text.Json.dasm (0.00 % of base)
           4 : System.Net.Http.Json.dasm (0.00 % of base)
           4 : System.Web.HttpUtility.dasm (0.02 % of base)
           4 : System.Net.WebProxy.dasm (0.07 % of base)

23 total files with Code Size differences (0 improved, 23 regressed), 237 unchanged.

Top method regressions (bytes):
         102 (3.70 % of base) : System.Private.Uri.dasm - System.Uri:GetCanonicalPath(byref,int):this (FullOpts)
          35 (2.24 % of base) : System.Private.Uri.dasm - System.IriHelper:EscapeUnescapeIri(System.ReadOnlySpan`1[char],bool):System.String (FullOpts)
          32 (4.89 % of base) : System.Private.Uri.dasm - System.Uri:TryUnescapeDataString(System.ReadOnlySpan`1[char],System.Span`1[char],byref):bool (FullOpts)
          31 (4.51 % of base) : System.Private.Uri.dasm - System.UriHelper:TryEscapeDataString(System.ReadOnlySpan`1[char],System.Span`1[char],byref):bool (FullOpts)
          29 (8.61 % of base) : System.Private.Uri.dasm - System.Uri:RecreateParts(int,ushort,int):System.String:this (FullOpts)
          28 (4.52 % of base) : System.Private.Uri.dasm - System.Uri:GetRelativeSerializationString(int):System.String:this (FullOpts)
          28 (7.61 % of base) : System.Private.Uri.dasm - System.Uri:UnescapeDataString(System.ReadOnlySpan`1[char],System.String):System.String (FullOpts)
          28 (1.67 % of base) : System.Private.Uri.dasm - System.UriBuilder:ToString():System.String:this (FullOpts)
          28 (6.78 % of base) : System.Private.Uri.dasm - System.UriHelper:EscapeString(System.ReadOnlySpan`1[char],bool,System.Buffers.SearchValues`1[char],System.String):System.String (FullOpts)
          26 (0.89 % of base) : System.Private.Uri.dasm - System.Uri:CheckAuthorityHelper(System.ReadOnlySpan`1[char],int,byref,byref,int,byref):int:this (FullOpts)
          25 (1.57 % of base) : System.Private.Uri.dasm - System.Uri:GetLocalPath():System.String:this (FullOpts)
          24 (1.25 % of base) : System.Private.Uri.dasm - System.Net.IPv6AddressHelper:ParseCanonicalName(System.ReadOnlySpan`1[char],byref,byref):System.String (FullOpts)
          23 (0.75 % of base) : System.Private.Uri.dasm - System.Uri:ParseRemaining():this (FullOpts)
          21 (5.56 % of base) : System.Private.Uri.dasm - System.Uri:TryRecreateParts(System.Span`1[char],byref,int,ushort,int):bool:this (FullOpts)
          21 (6.34 % of base) : System.Private.Uri.dasm - System.UriHelper:NormalizeAndConcat(System.String,System.ReadOnlySpan`1[char]):System.String (FullOpts)
          17 (2.48 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseCanonicalName(System.String,int,int,byref):System.String (FullOpts)
          16 (1.02 % of base) : System.Private.Uri.dasm - System.Uri:PrivateParseMinimal():int:this (FullOpts)
          15 (3.67 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[long](System.ReadOnlySpan`1[long],int,int):int (FullOpts)
          15 (0.94 % of base) : System.Net.Security.dasm - System.Net.Security.SslStreamCertificateContext:DownloadOcspAsync():System.Threading.Tasks.ValueTask`1[byte[]]:this (FullOpts)
          15 (1.18 % of base) : System.Private.Uri.dasm - System.UriHelper:EscapeStringToBuilder(System.ReadOnlySpan`1[char],byref,System.Buffers.SearchValues`1[char],bool) (FullOpts)
          14 (1.26 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.OpenSslX509ChainProcessor:FindHttpAiaRecord(System.ReadOnlyMemory`1[byte],System.String):System.String (FullOpts)
          13 (0.48 % of base) : System.Private.Uri.dasm - System.Uri:RecreateParts(byref,System.String,int,ushort,int):System.ReadOnlySpan`1[char]:this (FullOpts)
          12 (2.73 % of base) : System.Net.WebClient.dasm - System.Net.WebClient:GetUri(System.String):System.Uri:this (FullOpts)
          12 (0.28 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.Runtime.XmlCollation:Create(System.String,bool):System.Xml.Xsl.Runtime.XmlCollation (FullOpts)
          11 (0.54 % of base) : System.Net.Primitives.dasm - System.Net.CookieParser:Get():System.Net.Cookie:this (FullOpts)
          11 (1.22 % of base) : System.Net.Http.dasm - System.Net.Http.MultiProxy:TryParseProxyConfigPart(System.ReadOnlySpan`1[char],bool,bool,byref,byref):bool (FullOpts)
          11 (1.25 % of base) : System.Private.Uri.dasm - System.PercentEncodingHelper:UnescapePercentEncodedUTF8Sequence(System.ReadOnlySpan`1[char],byref,bool,bool):int (FullOpts)
          11 (0.78 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.OpenSslCrlCache:GetCdpUrl(Microsoft.Win32.SafeHandles.SafeX509Handle):System.String (FullOpts)
          10 (5.05 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[byte](System.ReadOnlySpan`1[byte],int,int):int (FullOpts)
          10 (1.21 % of base) : System.Private.Uri.dasm - System.Uri:CreateHostString():this (FullOpts)
          10 (2.17 % of base) : System.Private.Uri.dasm - System.Uri:IsBaseOfHelper(System.Uri):bool:this (FullOpts)
          10 (1.06 % of base) : System.Private.Uri.dasm - System.Uri:PathDifference(System.String,System.String,bool):System.String (FullOpts)
          10 (3.61 % of base) : System.Private.Uri.dasm - System.Uri:TryCreate(System.Uri,System.Uri,byref):bool (FullOpts)
          10 (2.83 % of base) : System.Private.Uri.dasm - System.UriBuilder:.ctor(System.String):this (FullOpts)
          10 (1.69 % of base) : System.Private.Uri.dasm - System.UriHelper:TestForSubPath(System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char],bool):bool (FullOpts)
           9 (1.58 % of base) : System.Diagnostics.Process.dasm - System.Diagnostics.Process:ResolveExecutableForShellExecute(System.String,System.String):System.String (FullOpts)
           9 (2.27 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[int](System.ReadOnlySpan`1[int],int,int):int (FullOpts)
           9 (2.23 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[short](System.ReadOnlySpan`1[short],int,int):int (FullOpts)
           8 (2.47 % of base) : System.ComponentModel.TypeConverter.dasm - System.UriTypeConverter:ConvertFrom(System.ComponentModel.ITypeDescriptorContext,System.Globalization.CultureInfo,System.Object):System.Object:this (FullOpts)
           8 (2.64 % of base) : System.Private.Xml.dasm - System.Xml.Resolvers.XmlPreloadedResolver:AddKnownDtd(System.Xml.Resolvers.XmlPreloadedResolver+XmlKnownDtdData[]):this (FullOpts)
           8 (1.78 % of base) : System.Private.Xml.dasm - System.Xml.Resolvers.XmlPreloadedResolver:ResolveUri(System.Uri,System.String):System.Uri:this (FullOpts)
           8 (0.80 % of base) : System.Private.Xml.dasm - System.Xml.Schema.XmlSchemaSet:Add(System.String,System.Xml.XmlReader,System.Collections.Hashtable):this (FullOpts)
           8 (1.94 % of base) : System.Private.Xml.dasm - System.Xml.XmlConvert:ToUri(System.String):System.Uri (FullOpts)
           8 (1.94 % of base) : System.Private.Xml.dasm - System.Xml.XmlResolver:ResolveUri(System.Uri,System.String):System.Uri:this (FullOpts)
           7 (1.00 % of base) : System.Private.Uri.dasm - System.Uri:GetHostViaCustomSyntax():this (FullOpts)
           6 (1.05 % of base) : System.Private.Uri.dasm - System.Net.IPv6AddressHelper:IsValid(System.ReadOnlySpan`1[char],byref):bool (FullOpts)
           6 (13.33 % of base) : System.Private.Uri.dasm - System.SR:GetUsingResourceKeysSwitchValue():bool (FullOpts)
           6 (0.74 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext):this (FullOpts)
           6 (6.45 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.String,bool):this (FullOpts)
           6 (6.74 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.String,int):this (FullOpts)
           6 (6.52 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.String):this (FullOpts)
           6 (1.65 % of base) : System.Private.Uri.dasm - System.Uri:CheckHostName(System.String):int (FullOpts)
           6 (1.90 % of base) : System.Private.Uri.dasm - System.Uri:GetCombinedString(System.Uri,System.String,bool,byref) (FullOpts)
           6 (0.63 % of base) : System.Private.Uri.dasm - System.Uri:InternalIsWellFormedOriginalString():bool:this (FullOpts)
           6 (0.82 % of base) : System.Private.Uri.dasm - System.Uri:MakeRelativeUri(System.Uri):System.Uri:this (FullOpts)
           6 (2.53 % of base) : System.Private.Uri.dasm - System.Uri:ParseScheme(System.String,byref,byref):int (FullOpts)
           5 (4.55 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.Globals:get_DataContractXsdBaseNamespaceUri():System.Uri (FullOpts)
           5 (4.55 % of base) : System.Runtime.Serialization.Schema.dasm - System.Runtime.Serialization.ImportGlobals:get_DataContractXsdBaseNamespaceUri():System.Uri (FullOpts)
           4 (0.41 % of base) : System.Data.Common.dasm - System.Data.Common.ObjectStorage:ConvertXmlToObject(System.String):System.Object:this (FullOpts)
           4 (1.18 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.DirectoryResponse:get_Referral():System.Uri[]:this (FullOpts)
           4 (0.34 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.LdapConnection:ConstructParsedResult(nint,byref,byref,byref,byref,byref):int:this (FullOpts)
           4 (0.41 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.LdapConnection:ConstructReference(nint):System.DirectoryServices.Protocols.SearchResultReference:this (FullOpts)
           4 (0.16 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.LdapSessionOptions:StartTransportLayerSecurity(System.DirectoryServices.Protocols.DirectoryControlCollection):this (FullOpts)
           4 (1.18 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.SearchResultReference:get_Reference():System.Uri[]:this (FullOpts)
           4 (0.85 % of base) : System.IO.IsolatedStorage.dasm - System.IO.IsolatedStorage.Helper:GetDefaultIdentityAndHash(byref,byref,char) (FullOpts)
           4 (1.26 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper:GetPackageUriComponent(System.Uri):System.Uri (FullOpts)
           4 (2.33 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:.ctor(System.String,bool,bool,bool):this (FullOpts)
           4 (3.01 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:.ctor(System.String,bool):this (FullOpts)
           4 (2.80 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:.ctor(System.String):this (FullOpts)
           4 (2.26 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:GetNormalizedPartUri():System.IO.Packaging.PackUriHelper+ValidatedPartUri:this (FullOpts)
           4 (0.28 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.ZipPackage:GetPartsCore():System.IO.Packaging.PackagePart[]:this (FullOpts)
           4 (0.42 % of base) : System.Net.Primitives.dasm - System.Net.CookieContainer:Add(System.Net.Cookie):this (FullOpts)
           4 (4.08 % of base) : System.Net.Http.dasm - System.Net.Http.HttpClient:CreateUri(System.String):System.Uri (FullOpts)
           4 (1.59 % of base) : System.Net.Http.dasm - System.Net.Http.HttpRequestMessage:.ctor(System.Net.Http.HttpMethod,System.String):this (FullOpts)
           4 (0.68 % of base) : System.Net.Http.dasm - System.Net.Http.HttpRuleParser:IsValidHostName(System.ReadOnlySpan`1[char]):bool (FullOpts)
           4 (4.08 % of base) : System.Net.Http.Json.dasm - System.Net.Http.Json.HttpClientJsonExtensions:CreateUri(System.String):System.Uri (FullOpts)
           4 (0.12 % of base) : System.Net.Security.dasm - System.Net.Http.X509ResourceClient+<>c__DisplayClass41_0+<<CreateDownloadBytesFunc>b__0>d:MoveNext():this (FullOpts)
           4 (0.12 % of base) : System.Security.Cryptography.dasm - System.Net.Http.X509ResourceClient+<>c__DisplayClass41_0+<<CreateDownloadBytesFunc>b__0>d:MoveNext():this (FullOpts)
           4 (0.20 % of base) : System.Net.HttpListener.dasm - System.Net.HttpListenerRequest:FinishInitialization():this (FullOpts)
           4 (3.15 % of base) : System.Net.HttpListener.dasm - System.Net.HttpListenerRequest:get_UrlReferrer():System.Uri:this (FullOpts)
           4 (0.70 % of base) : System.Net.HttpListener.dasm - System.Net.HttpListenerRequestUriBuilder:BuildRequestUriUsingCookedPath():this (FullOpts)
           4 (0.50 % of base) : System.Net.HttpListener.dasm - System.Net.HttpListenerRequestUriBuilder:BuildRequestUriUsingRawPath(System.Text.Encoding):int:this (FullOpts)
           4 (2.02 % of base) : System.Net.Requests.dasm - System.Net.HttpWebRequest:TryGetHostUri(System.String,byref):bool:this (FullOpts)
           4 (3.42 % of base) : System.Net.Mail.dasm - System.Net.Mail.AttachmentBase:get_ContentLocation():System.Uri:this (FullOpts)
           4 (0.61 % of base) : System.Net.Mail.dasm - System.Net.Mail.SmtpClient:get_ServicePoint():System.Net.ServicePoint:this (FullOpts)
           4 (0.81 % of base) : System.Net.HttpListener.dasm - System.Net.ServiceNameStore:ExtractHostname(System.String,bool):System.String (FullOpts)
           4 (0.35 % of base) : System.Net.HttpListener.dasm - System.Net.ServiceNameStore:NormalizeServiceName(System.String):System.String (FullOpts)
           4 (2.72 % of base) : System.Net.Requests.dasm - System.Net.ServicePointManager:FindServicePoint(System.String,System.Net.IWebProxy):System.Net.ServicePoint (FullOpts)
           4 (1.92 % of base) : System.Net.WebClient.dasm - System.Net.WebClient:set_BaseAddress(System.String):this (FullOpts)
           4 (1.23 % of base) : System.Net.WebProxy.dasm - System.Net.WebProxy:CreateProxyUri(System.String,System.Nullable`1[int]):System.Uri (FullOpts)
           4 (2.82 % of base) : System.Net.Requests.dasm - System.Net.WebRequest:Create(System.String):System.Net.WebRequest (FullOpts)
           4 (2.86 % of base) : System.Net.Requests.dasm - System.Net.WebRequest:CreateHttp(System.String):System.Net.HttpWebRequest (FullOpts)
           4 (0.44 % of base) : System.Net.Requests.dasm - System.Net.WebRequest:RegisterPrefix(System.String,System.Net.IWebRequestCreate):bool (FullOpts)
           4 (0.65 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.DataContracts.DataContract:CheckExplicitDataContractNamespaceUri(System.String,System.Type) (FullOpts)
           4 (1.52 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlReaderDelegator:ReadContentAsUri():System.Uri:this (FullOpts)
           4 (1.39 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlReaderDelegator:ReadElementContentAsUri():System.Uri:this (FullOpts)
           4 (0.44 % of base) : System.Net.Security.dasm - System.Security.Authentication.ExtendedProtection.ServiceNameCollection:NormalizeServiceName(System.String):System.String (FullOpts)
           4 (0.12 % of base) : System.ServiceModel.Syndication.dasm - System.ServiceModel.Syndication.AtomPub10ServiceDocumentFormatter:ReadCollection(System.Xml.XmlReader,System.ServiceModel.Syndication.Workspace):System.ServiceModel.Syndication.ResourceCollectionInfo:this (FullOpts)
           4 (0.15 % of base) : System.ServiceModel.Syndication.dasm - System.ServiceModel.Syndication.AtomPub10ServiceDocumentFormatter:ReadDocument(System.Xml.XmlReader):this (FullOpts)
           4 (0.43 % of base) : System.ServiceModel.Syndication.dasm - System.ServiceModel.Syndication.SyndicationFeed:TryReadTextInputFromExtension(System.ServiceModel.Syndication.SyndicationElementExtensionCollection):System.ServiceModel.Syndication.SyndicationTextInput (FullOpts)

Top method improvements (bytes):
          -1 (-0.20 % of base) : System.Private.Uri.dasm - System.Uri:CreateHostStringHelper(System.String,int,int,byref,System.Uri+UriInfo):System.String (FullOpts)

Top method regressions (percentages):
           6 (13.33 % of base) : System.Private.Uri.dasm - System.SR:GetUsingResourceKeysSwitchValue():bool (FullOpts)
          29 (8.61 % of base) : System.Private.Uri.dasm - System.Uri:RecreateParts(int,ushort,int):System.String:this (FullOpts)
          28 (7.61 % of base) : System.Private.Uri.dasm - System.Uri:UnescapeDataString(System.ReadOnlySpan`1[char],System.String):System.String (FullOpts)
          28 (6.78 % of base) : System.Private.Uri.dasm - System.UriHelper:EscapeString(System.ReadOnlySpan`1[char],bool,System.Buffers.SearchValues`1[char],System.String):System.String (FullOpts)
           6 (6.74 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.String,int):this (FullOpts)
           6 (6.52 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.String):this (FullOpts)
           6 (6.45 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.String,bool):this (FullOpts)
          21 (6.34 % of base) : System.Private.Uri.dasm - System.UriHelper:NormalizeAndConcat(System.String,System.ReadOnlySpan`1[char]):System.String (FullOpts)
          21 (5.56 % of base) : System.Private.Uri.dasm - System.Uri:TryRecreateParts(System.Span`1[char],byref,int,ushort,int):bool:this (FullOpts)
          10 (5.05 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[byte](System.ReadOnlySpan`1[byte],int,int):int (FullOpts)
          32 (4.89 % of base) : System.Private.Uri.dasm - System.Uri:TryUnescapeDataString(System.ReadOnlySpan`1[char],System.Span`1[char],byref):bool (FullOpts)
           5 (4.55 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.Globals:get_DataContractXsdBaseNamespaceUri():System.Uri (FullOpts)
           5 (4.55 % of base) : System.Runtime.Serialization.Schema.dasm - System.Runtime.Serialization.ImportGlobals:get_DataContractXsdBaseNamespaceUri():System.Uri (FullOpts)
          28 (4.52 % of base) : System.Private.Uri.dasm - System.Uri:GetRelativeSerializationString(int):System.String:this (FullOpts)
          31 (4.51 % of base) : System.Private.Uri.dasm - System.UriHelper:TryEscapeDataString(System.ReadOnlySpan`1[char],System.Span`1[char],byref):bool (FullOpts)
           4 (4.08 % of base) : System.Net.Http.dasm - System.Net.Http.HttpClient:CreateUri(System.String):System.Uri (FullOpts)
           4 (4.08 % of base) : System.Net.Http.Json.dasm - System.Net.Http.Json.HttpClientJsonExtensions:CreateUri(System.String):System.Uri (FullOpts)
           4 (3.70 % of base) : System.Private.Uri.dasm - System.Uri:TryCreate(System.String,int,byref):bool (FullOpts)
         102 (3.70 % of base) : System.Private.Uri.dasm - System.Uri:GetCanonicalPath(byref,int):this (FullOpts)
          15 (3.67 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[long](System.ReadOnlySpan`1[long],int,int):int (FullOpts)
          10 (3.61 % of base) : System.Private.Uri.dasm - System.Uri:TryCreate(System.Uri,System.Uri,byref):bool (FullOpts)
           4 (3.42 % of base) : System.Net.Mail.dasm - System.Net.Mail.AttachmentBase:get_ContentLocation():System.Uri:this (FullOpts)
           4 (3.17 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.Converters.UriConverter:ReadCore(byref):System.Uri (FullOpts)
           4 (3.15 % of base) : System.Net.HttpListener.dasm - System.Net.HttpListenerRequest:get_UrlReferrer():System.Uri:this (FullOpts)
           4 (3.01 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:.ctor(System.String,bool):this (FullOpts)
           4 (2.86 % of base) : System.Net.Requests.dasm - System.Net.WebRequest:CreateHttp(System.String):System.Net.HttpWebRequest (FullOpts)
           4 (2.86 % of base) : System.Private.Uri.dasm - System.Text.ValueStringBuilder:ToString():System.String:this (FullOpts)
           4 (2.86 % of base) : System.ComponentModel.TypeConverter.dasm - System.UriTypeConverter:IsValid(System.ComponentModel.ITypeDescriptorContext,System.Object):bool:this (FullOpts)
          10 (2.83 % of base) : System.Private.Uri.dasm - System.UriBuilder:.ctor(System.String):this (FullOpts)
           4 (2.82 % of base) : System.Net.Requests.dasm - System.Net.WebRequest:Create(System.String):System.Net.WebRequest (FullOpts)
           4 (2.80 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:.ctor(System.String):this (FullOpts)
           4 (2.80 % of base) : System.ServiceModel.Syndication.dasm - System.ServiceModel.Syndication.SyndicationFeedFormatter:DefaultUriParser(System.ServiceModel.Syndication.XmlUriData,byref):bool (FullOpts)
          12 (2.73 % of base) : System.Net.WebClient.dasm - System.Net.WebClient:GetUri(System.String):System.Uri:this (FullOpts)
           4 (2.72 % of base) : System.Net.Requests.dasm - System.Net.ServicePointManager:FindServicePoint(System.String,System.Net.IWebProxy):System.Net.ServicePoint (FullOpts)
           8 (2.64 % of base) : System.Private.Xml.dasm - System.Xml.Resolvers.XmlPreloadedResolver:AddKnownDtd(System.Xml.Resolvers.XmlPreloadedResolver+XmlKnownDtdData[]):this (FullOpts)
           6 (2.53 % of base) : System.Private.Uri.dasm - System.Uri:ParseScheme(System.String,byref,byref):int (FullOpts)
          17 (2.48 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseCanonicalName(System.String,int,int,byref):System.String (FullOpts)
           8 (2.47 % of base) : System.ComponentModel.TypeConverter.dasm - System.UriTypeConverter:ConvertFrom(System.ComponentModel.ITypeDescriptorContext,System.Globalization.CultureInfo,System.Object):System.Object:this (FullOpts)
           4 (2.47 % of base) : System.Private.Xml.dasm - System.Xml.Xsl.SourceLineInfo:GetFileName(System.String):System.String (FullOpts)
           4 (2.33 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:.ctor(System.String,bool,bool,bool):this (FullOpts)
           4 (2.30 % of base) : System.Private.Uri.dasm - System.Uri:TryCreate(System.Uri,System.String,byref):bool (FullOpts)
           9 (2.27 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[int](System.ReadOnlySpan`1[int],int,int):int (FullOpts)
           4 (2.26 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper+ValidatedPartUri:GetNormalizedPartUri():System.IO.Packaging.PackUriHelper+ValidatedPartUri:this (FullOpts)
           4 (2.25 % of base) : System.Private.Uri.dasm - System.UriBuilder:get_Uri():System.Uri:this (FullOpts)
          35 (2.24 % of base) : System.Private.Uri.dasm - System.IriHelper:EscapeUnescapeIri(System.ReadOnlySpan`1[char],bool):System.String (FullOpts)
           9 (2.23 % of base) : System.Private.Uri.dasm - System.Net.IPv4AddressHelper:ParseHostNumber[short](System.ReadOnlySpan`1[short],int,int):int (FullOpts)
          10 (2.17 % of base) : System.Private.Uri.dasm - System.Uri:IsBaseOfHelper(System.Uri):bool:this (FullOpts)
           4 (2.02 % of base) : System.Net.Requests.dasm - System.Net.HttpWebRequest:TryGetHostUri(System.String,byref):bool:this (FullOpts)
           8 (1.94 % of base) : System.Private.Xml.dasm - System.Xml.XmlConvert:ToUri(System.String):System.Uri (FullOpts)
           8 (1.94 % of base) : System.Private.Xml.dasm - System.Xml.XmlResolver:ResolveUri(System.Uri,System.String):System.Uri:this (FullOpts)
           4 (1.92 % of base) : System.Net.WebClient.dasm - System.Net.WebClient:set_BaseAddress(System.String):this (FullOpts)
           6 (1.90 % of base) : System.Private.Uri.dasm - System.Uri:GetCombinedString(System.Uri,System.String,bool,byref) (FullOpts)
           8 (1.78 % of base) : System.Private.Xml.dasm - System.Xml.Resolvers.XmlPreloadedResolver:ResolveUri(System.Uri,System.String):System.Uri:this (FullOpts)
           4 (1.74 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReaderImpl:ConvertAbsoluteUnixPathToAbsoluteUri(byref,System.Xml.XmlResolver) (FullOpts)
          10 (1.69 % of base) : System.Private.Uri.dasm - System.UriHelper:TestForSubPath(System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char],bool):bool (FullOpts)
          28 (1.67 % of base) : System.Private.Uri.dasm - System.UriBuilder:ToString():System.String:this (FullOpts)
           6 (1.65 % of base) : System.Private.Uri.dasm - System.Uri:CheckHostName(System.String):int (FullOpts)
           4 (1.59 % of base) : System.Net.Http.dasm - System.Net.Http.HttpRequestMessage:.ctor(System.Net.Http.HttpMethod,System.String):this (FullOpts)
           9 (1.58 % of base) : System.Diagnostics.Process.dasm - System.Diagnostics.Process:ResolveExecutableForShellExecute(System.String,System.String):System.String (FullOpts)
          25 (1.57 % of base) : System.Private.Uri.dasm - System.Uri:GetLocalPath():System.String:this (FullOpts)
           4 (1.55 % of base) : System.Private.Uri.dasm - System.Uri:Equals(System.Object):bool:this (FullOpts)
           4 (1.52 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlReaderDelegator:ReadContentAsUri():System.Uri:this (FullOpts)
           4 (1.49 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReaderImpl:.ctor(System.String,System.IO.TextReader,System.Xml.XmlNameTable):this (FullOpts)
           4 (1.39 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlReaderDelegator:ReadElementContentAsUri():System.Uri:this (FullOpts)
           4 (1.32 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReaderImpl:.ctor(System.String,System.IO.TextReader):this (FullOpts)
           4 (1.31 % of base) : System.Private.Uri.dasm - System.UriParser:Resolve(System.Uri,System.Uri,byref):System.String:this (FullOpts)
          14 (1.26 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.OpenSslX509ChainProcessor:FindHttpAiaRecord(System.ReadOnlyMemory`1[byte],System.String):System.String (FullOpts)
           4 (1.26 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper:GetPackageUriComponent(System.Uri):System.Uri (FullOpts)
          11 (1.25 % of base) : System.Private.Uri.dasm - System.PercentEncodingHelper:UnescapePercentEncodedUTF8Sequence(System.ReadOnlySpan`1[char],byref,bool,bool):int (FullOpts)
          24 (1.25 % of base) : System.Private.Uri.dasm - System.Net.IPv6AddressHelper:ParseCanonicalName(System.ReadOnlySpan`1[char],byref,byref):System.String (FullOpts)
           4 (1.23 % of base) : System.Net.WebProxy.dasm - System.Net.WebProxy:CreateProxyUri(System.String,System.Nullable`1[int]):System.Uri (FullOpts)
           4 (1.23 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReaderImpl:.ctor(System.String,System.IO.Stream,System.Xml.XmlNameTable):this (FullOpts)
          11 (1.22 % of base) : System.Net.Http.dasm - System.Net.Http.MultiProxy:TryParseProxyConfigPart(System.ReadOnlySpan`1[char],bool,bool,byref,byref):bool (FullOpts)
          10 (1.21 % of base) : System.Private.Uri.dasm - System.Uri:CreateHostString():this (FullOpts)
           4 (1.20 % of base) : System.Private.Xml.dasm - System.Xml.XmlValidatingReaderImpl:SetupValidation(int):this (FullOpts)
          15 (1.18 % of base) : System.Private.Uri.dasm - System.UriHelper:EscapeStringToBuilder(System.ReadOnlySpan`1[char],byref,System.Buffers.SearchValues`1[char],bool) (FullOpts)
           4 (1.18 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.DirectoryResponse:get_Referral():System.Uri[]:this (FullOpts)
           4 (1.18 % of base) : System.DirectoryServices.Protocols.dasm - System.DirectoryServices.Protocols.SearchResultReference:get_Reference():System.Uri[]:this (FullOpts)
           4 (1.10 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReaderImpl:.ctor(System.String,System.IO.Stream):this (FullOpts)
          10 (1.06 % of base) : System.Private.Uri.dasm - System.Uri:PathDifference(System.String,System.String,bool):System.String (FullOpts)
           4 (1.05 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReader:.ctor(System.String,System.IO.TextReader):this (FullOpts)
           6 (1.05 % of base) : System.Private.Uri.dasm - System.Net.IPv6AddressHelper:IsValid(System.ReadOnlySpan`1[char],byref):bool (FullOpts)
           4 (1.04 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReaderImpl:.ctor(System.IO.TextReader,System.Xml.XmlReaderSettings,System.String,System.Xml.XmlParserContext):this (FullOpts)
          16 (1.02 % of base) : System.Private.Uri.dasm - System.Uri:PrivateParseMinimal():int:this (FullOpts)
           7 (1.00 % of base) : System.Private.Uri.dasm - System.Uri:GetHostViaCustomSyntax():this (FullOpts)
          15 (0.94 % of base) : System.Net.Security.dasm - System.Net.Security.SslStreamCertificateContext:DownloadOcspAsync():System.Threading.Tasks.ValueTask`1[byte[]]:this (FullOpts)
           4 (0.92 % of base) : System.Private.Xml.dasm - System.Xml.XmlTextReader:.ctor(System.String,System.IO.Stream):this (FullOpts)
          26 (0.89 % of base) : System.Private.Uri.dasm - System.Uri:CheckAuthorityHelper(System.ReadOnlySpan`1[char],int,byref,byref,int,byref):int:this (FullOpts)
           4 (0.87 % of base) : System.Private.Xml.dasm - System.Xml.Schema.XmlSchemaSet:Add(System.String,System.Xml.XmlReader):System.Xml.Schema.XmlSchema:this (FullOpts)
           4 (0.86 % of base) : System.Private.Uri.dasm - System.Uri:CreateHelper(System.String,bool,int,byref,byref):System.Uri (FullOpts)
           4 (0.85 % of base) : System.IO.IsolatedStorage.dasm - System.IO.IsolatedStorage.Helper:GetDefaultIdentityAndHash(byref,byref,char) (FullOpts)
           6 (0.82 % of base) : System.Private.Uri.dasm - System.Uri:MakeRelativeUri(System.Uri):System.Uri:this (FullOpts)
           4 (0.81 % of base) : System.Net.HttpListener.dasm - System.Net.ServiceNameStore:ExtractHostname(System.String,bool):System.String (FullOpts)
           8 (0.80 % of base) : System.Private.Xml.dasm - System.Xml.Schema.XmlSchemaSet:Add(System.String,System.Xml.XmlReader,System.Collections.Hashtable):this (FullOpts)
           4 (0.78 % of base) : System.Private.Xml.dasm - System.Xml.XmlConvert:TryToUri(System.String,byref):System.Exception (FullOpts)
          11 (0.78 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.OpenSslCrlCache:GetCdpUrl(Microsoft.Win32.SafeHandles.SafeX509Handle):System.String (FullOpts)
          23 (0.75 % of base) : System.Private.Uri.dasm - System.Uri:ParseRemaining():this (FullOpts)
           4 (0.75 % of base) : System.Web.HttpUtility.dasm - System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool (FullOpts)
           6 (0.74 % of base) : System.Private.Uri.dasm - System.Uri:.ctor(System.Runtime.Serialization.SerializationInfo,System.Runtime.Serialization.StreamingContext):this (FullOpts)
           4 (0.70 % of base) : System.Net.HttpListener.dasm - System.Net.HttpListenerRequestUriBuilder:BuildRequestUriUsingCookedPath():this (FullOpts)

Top method improvements (percentages):
          -1 (-0.20 % of base) : System.Private.Uri.dasm - System.Uri:CreateHostStringHelper(System.String,int,int,byref,System.Uri+UriInfo):System.String (FullOpts)

134 total methods with Code Size differences (1 improved, 133 regressed), 282995 unchanged.

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

Artifacts:

• build-clr-checked-main.zip (88 MB)
• build-artifacts-main.zip (700 MB)
• build-clr-checked-pr.zip (88 MB)
• build-artifacts-pr.zip (92 MB)
• jit-diffs-main.zip (154 MB)
• jit-diffs-pr.zip (154 MB)
• diff-frameworks.txt (32 KB)
• ShortDiffsRegressions.md (50 KB)
• ShortDiffsImprovements.md (10 KB)
• LongDiffsRegressions.md (788 KB)

[MihuBot]

Top method regressions

35 (2.24 % of base) - System.IriHelper:EscapeUnescapeIri(System.ReadOnlySpan`1[char],bool):System.String

 ; Assembly listing for method System.IriHelper:EscapeUnescapeIri(System.ReadOnlySpan`1[char],bool):System.String (FullOpts)
 ; Emitting BLENDED_CODE for generic X64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 28 single block inlinees; 20 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T38] (  3,  3   )  struct (16) [rbp-0x48]  do-not-enreg[SFA] multireg-arg ld-addr-op single-def ptr <System.ReadOnlySpan`1[char]>
 ;  V01 arg1         [V01,T20] (  5,  8   )   ubyte  ->  rbx         single-def
 ;  V02 loc0         [V02    ] ( 56,231.48)  struct (32) [rbp-0x68]  do-not-enreg[XSF] must-init addr-exposed ld-addr-op ptr <System.Text.ValueStringBuilder>
 ;* V03 loc1         [V03    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op <System.Span`1[byte]>
 ;* V04 loc2         [V04    ] (  0,  0   )  struct (32) zero-ref    do-not-enreg[SF] ld-addr-op <System.Text.ValueStringBuilder>
 ;* V05 loc3         [V05    ] (  0,  0   )  struct (16) zero-ref    <System.Span`1[char]>
 ;  V06 loc4         [V06,T03] ( 20, 58   )     int  ->  r12        
 ;  V07 loc5         [V07,T08] ( 18, 40   )  ushort  ->  [rbp-0x6C]  ptr
 ;* V08 loc6         [V08    ] (  0,  0   )     int  ->  zero-ref   
 ;  V09 loc7         [V09,T34] (  3,  6   )   ubyte  ->  rax        
-;  V10 loc8         [V10    ] (  5, 10   )   ubyte  ->  [rbp-0x78]  do-not-enreg[X] addr-exposed ld-addr-op
+;  V10 loc8         [V10    ] (  5, 10   )   ubyte  ->  [rbp-0x78]  do-not-enreg[X] must-init addr-exposed ld-addr-op
 ;  V11 loc9         [V11,T15] (  7, 14   )  ushort  ->  [rbp-0x7C]  ptr
 ;* V12 loc10        [V12    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Text.Rune>
 ;  V13 loc11        [V13,T35] (  3,  6   )     int  ->  rax        
 ;* V14 loc12        [V14    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.ReadOnlySpan`1[byte]>
-;* V15 loc13        [V15,T57] (  0,  0   )     int  ->  zero-ref    ptr
+;* V15 loc13        [V15,T58] (  0,  0   )     int  ->  zero-ref    ptr
 ;# V16 OutArgs      [V16    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V17 tmp1         [V17    ] (  1,  1   )  struct ( 8) [rbp-0x38]  do-not-enreg[XS] addr-exposed ld-addr-op unsafe-buffer "stackallocLocal" <UNNAMED>
+;  V17 tmp1         [V17    ] (  1,  1   )  struct ( 8) [rbp-0x38]  do-not-enreg[XS] must-init addr-exposed ld-addr-op unsafe-buffer "stackallocLocal" <UNNAMED>
 ;* V18 tmp2         [V18    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
 ;* V19 tmp3         [V19    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
 ;* V20 tmp4         [V20    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;* V21 tmp5         [V21    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
-;  V22 tmp6         [V22,T62] (  2,  2   )    long  ->  rsi         "Inlining Arg"
+;  V22 tmp6         [V22,T63] (  2,  2   )    long  ->  rcx         "Inlining Arg"
 ;* V23 tmp7         [V23    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V24 tmp8         [V24    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def ptr "Inlining Arg" <char[]>
 ;* V25 tmp9         [V25    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
 ;* V26 tmp10        [V26    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Buffers.SearchValues`1[char]>
 ;  V27 tmp11        [V27,T22] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
 ;* V28 tmp12        [V28    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V29 tmp13        [V29,T17] (  3, 12   )  ushort  ->  rsi         "Inlining Arg"
 ;  V30 tmp14        [V30,T23] (  4,  8   )     int  ->  r12         "Inline stloc first use temp"
 ;* V31 tmp15        [V31    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V32 tmp16        [V32,T18] (  3, 12   )  ushort  ->  rsi         "Inlining Arg"
 ;  V33 tmp17        [V33,T24] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
 ;* V34 tmp18        [V34    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V35 tmp19        [V35,T19] (  3, 12   )  ushort  ->  rsi         "Inlining Arg"
 ;  V36 tmp20        [V36,T25] (  4,  8   )     int  ->  r12         "Inline stloc first use temp"
 ;* V37 tmp21        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;* V38 tmp22        [V38    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;  V39 tmp23        [V39,T30] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
 ;  V40 tmp24        [V40,T31] (  2,  8   )     int  ->  rsi         "Inlining Arg"
 ;  V41 tmp25        [V41,T26] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
 ;* V42 tmp26        [V42    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V43 tmp27        [V43,T27] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
 ;* V44 tmp28        [V44    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V45 tmp29        [V45,T33] (  4,  6   )     int  ->  rdi         "Inline stloc first use temp"
 ;* V46 tmp30        [V46    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V47 tmp31        [V47    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V48 tmp32        [V48    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V49 tmp33        [V49,T36] (  3,  6   )     int  ->  rdi         "Inline stloc first use temp"
 ;* V50 tmp34        [V50    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Text.Rune>
 ;* V51 tmp35        [V51    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Text.Rune>
 ;* V52 tmp36        [V52    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.Span`1[byte]>
-;  V53 tmp37        [V53    ] (  2,  4   )     int  ->  [rbp-0x88]  do-not-enreg[X] addr-exposed ld-addr-op ptr "Inline ldloca(s) first use temp"
+;  V53 tmp37        [V53    ] (  2,  4   )     int  ->  [rbp-0x88]  do-not-enreg[X] must-init addr-exposed ld-addr-op ptr "Inline ldloca(s) first use temp"
 ;* V54 tmp38        [V54    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
 ;* V55 tmp39        [V55    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V56 tmp40        [V56    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V57 tmp41        [V57    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V58 tmp42        [V58    ] (  0,  0   )   byref  ->  zero-ref    ptr "Inlining Arg"
 ;* V59 tmp43        [V59    ] (  0,  0   )     int  ->  zero-ref    ptr "Inlining Arg"
 ;  V60 tmp44        [V60,T00] (  3, 95.04)   ubyte  ->  [rbp-0x8C]  spill-single-def ptr "Inlining Arg"
 ;* V61 tmp45        [V61    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[char]>
 ;  V62 tmp46        [V62,T04] (  4, 47.52)     int  ->   r8         "Inline stloc first use temp"
 ;* V63 tmp47        [V63    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V64 tmp48        [V64,T01] (  5, 79.20)     int  ->  [rbp-0x90]  spill-single-def ptr "Inline stloc first use temp"
 ;* V65 tmp49        [V65    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
 ;* V66 tmp50        [V66    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V67 tmp51        [V67,T06] (  3, 47.52)     int  ->  rsi         "Inline stloc first use temp"
 ;  V68 tmp52        [V68,T07] (  3, 47.52)     int  ->  rsi         "Inline stloc first use temp"
 ;* V69 tmp53        [V69    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[char]>
 ;  V70 tmp54        [V70,T28] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
 ;* V71 tmp55        [V71    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V72 tmp56        [V72    ] (  3,  3   )  struct (16) [rbp-0xA0]  do-not-enreg[XS] must-init addr-exposed ld-addr-op "Inline stloc first use temp" <System.Span`1[char]>
 ;  V73 tmp57        [V73,T39] (  2,  4   )     ref  ->  rbx         class-hnd exact single-def "impAppendStmt" <System.String>
 ;  V74 tmp58        [V74,T37] (  3,  6   )     int  ->  rdi         "Inlining Arg"
 ;* V75 tmp59        [V75    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
 ;* V76 tmp60        [V76    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V77 tmp61        [V77,T56] (  3,  2.50)     ref  ->  rsi         class-hnd single-def "Inline stloc first use temp" <char[]>
+;  V77 tmp61        [V77,T57] (  3,  2.50)     ref  ->  rsi         class-hnd single-def "Inline stloc first use temp" <char[]>
 ;  V78 tmp62        [V78,T11] (  3, 18.84)   byref  ->  r13         single-def "field V03._reference (fldOffset=0x0)" P-INDEP
-;* V79 tmp63        [V79,T67] (  0,  0   )     int  ->  zero-ref    "field V03._length (fldOffset=0x8)" P-INDEP
+;* V79 tmp63        [V79,T68] (  0,  0   )     int  ->  zero-ref    single-def "field V03._length (fldOffset=0x8)" P-INDEP
 ;* V80 tmp64        [V80    ] (  0,  0   )   byref  ->  zero-ref    single-def ptr "field V05._reference (fldOffset=0x0)" P-INDEP
-;* V81 tmp65        [V81    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
+;* V81 tmp65        [V81    ] (  0,  0   )     int  ->  zero-ref    single-def "field V05._length (fldOffset=0x8)" P-INDEP
 ;  V82 tmp66        [V82,T29] (  4,  8   )     int  ->  rdi         "field V12._value (fldOffset=0x0)" P-INDEP
-;* V83 tmp67        [V83,T63] (  0,  0   )   byref  ->  zero-ref    ptr "field V14._reference (fldOffset=0x0)" P-INDEP
+;* V83 tmp67        [V83,T64] (  0,  0   )   byref  ->  zero-ref    ptr "field V14._reference (fldOffset=0x0)" P-INDEP
 ;  V84 tmp68        [V84,T12] (  3, 19.84)     int  ->  [rbp-0xA4]  spill-single-def ptr "field V14._length (fldOffset=0x8)" P-INDEP
-;  V85 tmp69        [V85,T60] (  2,  2   )   byref  ->  r13         single-def "field V18._reference (fldOffset=0x0)" P-INDEP
-;* V86 tmp70        [V86    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
+;  V85 tmp69        [V85,T61] (  2,  2   )   byref  ->  r13         single-def "field V18._reference (fldOffset=0x0)" P-INDEP
+;* V86 tmp70        [V86    ] (  0,  0   )     int  ->  zero-ref    single-def "field V18._length (fldOffset=0x8)" P-INDEP
 ;* V87 tmp71        [V87    ] (  0,  0   )   byref  ->  zero-ref    "field V19._reference (fldOffset=0x0)" P-INDEP
 ;* V88 tmp72        [V88    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
 ;* V89 tmp73        [V89    ] (  0,  0   )   byref  ->  zero-ref    "field V20._reference (fldOffset=0x0)" P-INDEP
 ;* V90 tmp74        [V90    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
-;  V91 tmp75        [V91,T66] (  2,  1   )   byref  ->  rsi         single-def "field V21._reference (fldOffset=0x0)" P-INDEP
-;* V92 tmp76        [V92    ] (  0,  0   )     int  ->  zero-ref    "field V21._length (fldOffset=0x8)" P-INDEP
-;  V93 tmp77        [V93,T64] (  3,  1.50)   byref  ->  rsi         "field V25._reference (fldOffset=0x0)" P-INDEP
-;  V94 tmp78        [V94,T65] (  3,  1.50)     int  ->  rdi         "field V25._length (fldOffset=0x8)" P-INDEP
+;  V91 tmp75        [V91,T67] (  2,  1   )   byref  ->  rcx         single-def "field V21._reference (fldOffset=0x0)" P-INDEP
+;* V92 tmp76        [V92    ] (  0,  0   )     int  ->  zero-ref    single-def "field V21._length (fldOffset=0x8)" P-INDEP
+;  V93 tmp77        [V93,T65] (  3,  1.50)   byref  ->  rcx         "field V25._reference (fldOffset=0x0)" P-INDEP
+;  V94 tmp78        [V94,T66] (  3,  1.50)     int  ->  rdx         "field V25._length (fldOffset=0x8)" P-INDEP
 ;  V95 tmp79        [V95,T40] (  2,  4   )   byref  ->  rcx         "field V28._reference (fldOffset=0x0)" P-INDEP
 ;  V96 tmp80        [V96,T47] (  2,  4   )     int  ->  rdi         "field V28._length (fldOffset=0x8)" P-INDEP
 ;  V97 tmp81        [V97,T41] (  2,  4   )   byref  ->  rax         "field V31._reference (fldOffset=0x0)" P-INDEP
 ;  V98 tmp82        [V98,T48] (  2,  4   )     int  ->  rdi         "field V31._length (fldOffset=0x8)" P-INDEP
 ;  V99 tmp83        [V99,T42] (  2,  4   )   byref  ->  rcx         "field V34._reference (fldOffset=0x0)" P-INDEP
 ;  V100 tmp84       [V100,T49] (  2,  4   )     int  ->  rdi         "field V34._length (fldOffset=0x8)" P-INDEP
 ;  V101 tmp85       [V101,T43] (  2,  4   )   byref  ->  rcx         "field V37._reference (fldOffset=0x0)" P-INDEP
 ;  V102 tmp86       [V102,T50] (  2,  4   )     int  ->  rdi         "field V37._length (fldOffset=0x8)" P-INDEP
 ;* V103 tmp87       [V103    ] (  0,  0   )   byref  ->  zero-ref    ptr "field V38._reference (fldOffset=0x0)" P-INDEP
 ;* V104 tmp88       [V104    ] (  0,  0   )     int  ->  zero-ref    ptr "field V38._length (fldOffset=0x8)" P-INDEP
 ;  V105 tmp89       [V105,T44] (  2,  4   )   byref  ->  rcx         "field V42._reference (fldOffset=0x0)" P-INDEP
 ;  V106 tmp90       [V106,T51] (  2,  4   )     int  ->  rdi         "field V42._length (fldOffset=0x8)" P-INDEP
 ;  V107 tmp91       [V107,T45] (  2,  4   )   byref  ->  rcx         "field V44._reference (fldOffset=0x0)" P-INDEP
 ;  V108 tmp92       [V108,T52] (  2,  4   )     int  ->  rdi         "field V44._length (fldOffset=0x8)" P-INDEP
 ;* V109 tmp93       [V109    ] (  0,  0   )     int  ->  zero-ref    ptr "field V50._value (fldOffset=0x0)" P-INDEP
 ;* V110 tmp94       [V110    ] (  0,  0   )     int  ->  zero-ref    "field V51._value (fldOffset=0x0)" P-INDEP
 ;* V111 tmp95       [V111    ] (  0,  0   )   byref  ->  zero-ref    "field V52._reference (fldOffset=0x0)" P-INDEP
 ;* V112 tmp96       [V112    ] (  0,  0   )     int  ->  zero-ref    "field V52._length (fldOffset=0x8)" P-INDEP
 ;* V113 tmp97       [V113    ] (  0,  0   )   byref  ->  zero-ref    ptr "field V54._reference (fldOffset=0x0)" P-INDEP
 ;* V114 tmp98       [V114    ] (  0,  0   )     int  ->  zero-ref    ptr "field V54._length (fldOffset=0x8)" P-INDEP
 ;* V115 tmp99       [V115    ] (  0,  0   )   byref  ->  zero-ref    ptr "field V56._reference (fldOffset=0x0)" P-INDEP
 ;* V116 tmp100      [V116    ] (  0,  0   )     int  ->  zero-ref    ptr "field V56._length (fldOffset=0x8)" P-INDEP
 ;* V117 tmp101      [V117    ] (  0,  0   )   byref  ->  zero-ref    ptr "field V57._reference (fldOffset=0x0)" P-INDEP
 ;* V118 tmp102      [V118    ] (  0,  0   )     int  ->  zero-ref    ptr "field V57._length (fldOffset=0x8)" P-INDEP
 ;* V119 tmp103      [V119    ] (  0,  0   )   byref  ->  zero-ref    "field V61._reference (fldOffset=0x0)" P-INDEP
 ;* V120 tmp104      [V120    ] (  0,  0   )     int  ->  zero-ref    "field V61._length (fldOffset=0x8)" P-INDEP
 ;  V121 tmp105      [V121,T10] (  2, 23.76)   byref  ->   r9         "field V63._reference (fldOffset=0x0)" P-INDEP
 ;  V122 tmp106      [V122,T09] (  2, 31.68)     int  ->  rdi         "field V63._length (fldOffset=0x8)" P-INDEP
 ;  V123 tmp107      [V123,T05] (  3, 47.52)   byref  ->  rdi         "field V65._reference (fldOffset=0x0)" P-INDEP
 ;* V124 tmp108      [V124    ] (  0,  0   )     int  ->  zero-ref    "field V65._length (fldOffset=0x8)" P-INDEP
 ;* V125 tmp109      [V125    ] (  0,  0   )   byref  ->  zero-ref    ptr "field V69._reference (fldOffset=0x0)" P-INDEP
 ;* V126 tmp110      [V126    ] (  0,  0   )     int  ->  zero-ref    "field V69._length (fldOffset=0x8)" P-INDEP
 ;  V127 tmp111      [V127,T46] (  2,  4   )   byref  ->  rcx         "field V71._reference (fldOffset=0x0)" P-INDEP
 ;  V128 tmp112      [V128,T53] (  2,  4   )     int  ->  rsi         "field V71._length (fldOffset=0x8)" P-INDEP
 ;  V129 tmp113      [V129    ] (  2,  2   )   byref  ->  [rbp-0xA0]  do-not-enreg[X] addr-exposed ptr "field V72._reference (fldOffset=0x0)" P-DEP
 ;  V130 tmp114      [V130    ] (  2,  2   )     int  ->  [rbp-0x98]  do-not-enreg[X] addr-exposed ptr "field V72._length (fldOffset=0x8)" P-DEP
-;  V131 tmp115      [V131,T61] (  2,  2   )   byref  ->  rax         single-def "field V75._reference (fldOffset=0x0)" P-INDEP
-;* V132 tmp116      [V132    ] (  0,  0   )     int  ->  zero-ref    ptr "field V75._length (fldOffset=0x8)" P-INDEP
+;  V131 tmp115      [V131,T62] (  2,  2   )   byref  ->  rax         single-def "field V75._reference (fldOffset=0x0)" P-INDEP
+;* V132 tmp116      [V132    ] (  0,  0   )     int  ->  zero-ref    single-def ptr "field V75._length (fldOffset=0x8)" P-INDEP
 ;  V133 tmp117      [V133,T14] (  9, 19   )   byref  ->  r15         single-def "V00.[000..008)"
-;  V134 tmp118      [V134,T13] (  9, 19.50)     int  ->  r14         "V00.[008..012)"
+;  V134 tmp118      [V134,T13] (  9, 19.50)     int  ->  r14         single-def "V00.[008..012)"
 ;  V135 tmp119      [V135,T54] (  6,  3.50)     ref  ->  rax         "V04.[000..008)"
 ;* V136 tmp120      [V136    ] (  0,  0   )     int  ->  zero-ref    "V04.[008..012)"
-;  V137 tmp121      [V137,T58] (  3,  2   )   byref  ->  rsi         "V04.[016..024)"
-;  V138 tmp122      [V138,T59] (  3,  2   )     int  ->  rdi         "V04.[024..028)"
+;  V137 tmp121      [V137,T59] (  3,  2   )   byref  ->  rcx         "V04.[016..024)"
+;  V138 tmp122      [V138,T60] (  3,  2   )     int  ->  rdx         "V04.[024..028)"
 ;  V139 tmp123      [V139,T32] (  2,  8   )     int  ->  rdi         "argument with side effect"
 ;  V140 tmp124      [V140,T16] (  3, 12   )     ref  ->  rdi         "argument with side effect"
 ;  V141 GsCookie    [V141    ] (  1,  1   )    long  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "GSSecurityCookie"
 ;  V142 tmp126      [V142,T55] (  3,  3   )  struct (16) [rbp-0xB8]  do-not-enreg[SFA] multireg-arg must-init ptr "shadowVar" <System.ReadOnlySpan`1[char]>
 ;  V143 cse0        [V143,T21] (  5, 10   )     int  ->  [rbp-0xBC]  spill-single-def "CSE #02: moderate"
 ;  V144 rat0        [V144,T02] (  5, 65.36)    long  ->  [rbp-0xC8]  "Widened IV V15"
+;  V145 rat1        [V145,T56] (  3,  3   )    long  ->  [rbp-0xD0]  spill-single-def "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 168
 
 G_M43167_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 168
        lea      rbp, [rsp+0xD0]
        xor      eax, eax
        mov      qword ptr [rbp-0xB8], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqu32 zmmword ptr [rbp-0xB0], zmm8
-       vmovdqu  ymmword ptr [rbp-0x70], ymm8
-       mov      qword ptr [rbp-0x50], rax
+       vmovdqu32 zmmword ptr [rbp-0x70], zmm8
        mov      qword ptr [rbp-0x30], 0xD1FFAB1E
        mov      bword ptr [rbp-0x48], rdi
        mov      qword ptr [rbp-0x40], rsi
        mov      ebx, edx
-						;; size=76 bbWeight=1 PerfScore 16.58
+						;; size=77 bbWeight=1 PerfScore 15.58
 G_M43167_IG02:
        vmovdqu  xmm0, xmmword ptr [rbp-0x48]
        vmovdqu  xmmword ptr [rbp-0xB8], xmm0
 						;; size=13 bbWeight=1 PerfScore 4.00
 G_M43167_IG03:
        mov      r15, bword ptr [rbp-0xB8]
        mov      r14d, dword ptr [rbp-0xB0]
        cmp      r14d, 512
        jle      SHORT G_M43167_IG07
 						;; size=23 bbWeight=1 PerfScore 3.25
 G_M43167_IG04:
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rdi]
        mov      esi, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.SharedArrayPool`1[char]:Rent(int):char[]:this
        call     [rax]System.Buffers.SharedArrayPool`1[char]:Rent(int):char[]:this
        test     rax, rax
        je       SHORT G_M43167_IG05
-       lea      rsi, bword ptr [rax+0x10]
-       mov      edi, dword ptr [rax+0x08]
+       lea      rcx, bword ptr [rax+0x10]
+       mov      edx, dword ptr [rax+0x08]
        jmp      SHORT G_M43167_IG06
 						;; size=42 bbWeight=0.50 PerfScore 5.75
 G_M43167_IG05:
-       xor      rsi, rsi
-       xor      edi, edi
+       xor      rcx, rcx
+       xor      edx, edx
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M43167_IG06:
        jmp      SHORT G_M43167_IG08
 						;; size=2 bbWeight=0.50 PerfScore 1.00
 G_M43167_IG07:
        test     dword ptr [rsp], esp
        sub      rsp, 0x400
-       lea      rsi, [rsp]
+       lea      rdi, [rsp]
+       mov      qword ptr [rbp-0xD0], rdi
+       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_MEMZERO
+       mov      esi, 0x400
+       call     [rax]CORINFO_HELP_MEMZERO
+       mov      rdi, qword ptr [rbp-0xD0]
+       mov      rcx, rdi
        xor      rax, rax
-       mov      edi, 512
-						;; size=21 bbWeight=0.50 PerfScore 2.12
+       mov      edx, 512
+						;; size=55 bbWeight=0.50 PerfScore 5.00
 G_M43167_IG08:
        mov      gword ptr [rbp-0x68], rax
-       xor      eax, eax
-       mov      dword ptr [rbp-0x60], eax
-       mov      bword ptr [rbp-0x58], rsi
-       mov      dword ptr [rbp-0x50], edi
+       xor      esi, esi
+       mov      dword ptr [rbp-0x60], esi
+       mov      bword ptr [rbp-0x58], rcx
+       mov      dword ptr [rbp-0x50], edx
        lea      r13, [rbp-0x38]
 						;; size=20 bbWeight=1 PerfScore 4.75
 G_M43167_IG09:
        xor      r12d, r12d
        cmp      r12d, r14d
        jae      G_M43167_IG44
 						;; size=12 bbWeight=1 PerfScore 1.50
 G_M43167_IG10:
        mov      esi, r12d
        movzx    rax, word  ptr [r15+2*rsi]
        mov      edi, eax
        cmp      edi, 37
        je       G_M43167_IG30
 						;; size=19 bbWeight=4 PerfScore 15.00
 G_M43167_IG11:
        cmp      edi, 127
        jle      G_M43167_IG31
        xor      esi, esi
        mov      dword ptr [rbp-0x78], esi
 						;; size=14 bbWeight=2 PerfScore 5.00
 G_M43167_IG12:
        mov      dword ptr [rbp-0x7C], esi
        lea      esi, [rdi-0xD800]
        cmp      esi, 0x3FF
        ja       SHORT G_M43167_IG13
        lea      esi, [r12+0x01]
        cmp      esi, r14d
        jb       SHORT G_M43167_IG14
 						;; size=27 bbWeight=2 PerfScore 9.00
 G_M43167_IG13:
        movzx    rsi, bl
        mov      dword ptr [rbp-0x6C], edi
        mov      rcx, 0xD1FFAB1E      ; code for System.IriHelper:CheckIriUnicodeRange(char,bool):bool
        call     [rcx]System.IriHelper:CheckIriUnicodeRange(char,bool):bool
        jmp      SHORT G_M43167_IG15
 						;; size=21 bbWeight=2 PerfScore 13.00
 G_M43167_IG14:
        lea      ecx, [r12+0x01]
        movzx    rax, word  ptr [r15+2*rcx]
        movzx    rcx, bl
        lea      rdx, [rbp-0x78]
        mov      dword ptr [rbp-0x6C], edi
        mov      dword ptr [rbp-0x7C], eax
        mov      esi, eax
        mov      r8, 0xD1FFAB1E      ; code for System.IriHelper:CheckIriUnicodeRange(char,char,byref,bool):bool
        call     [r8]System.IriHelper:CheckIriUnicodeRange(char,char,byref,bool):bool
 						;; size=38 bbWeight=2 PerfScore 17.50
 G_M43167_IG15:
        test     eax, eax
        jne      G_M43167_IG26
        cmp      byte  ptr [rbp-0x78], 0
        jne      SHORT G_M43167_IG17
        mov      edi, dword ptr [rbp-0x6C]
        lea      esi, [rdi-0xD800]
        cmp      esi, 0x7FF
        ja       SHORT G_M43167_IG16
        mov      edi, 0xFFFD
        jmp      SHORT G_M43167_IG18
 						;; size=38 bbWeight=2 PerfScore 18.50
 G_M43167_IG16:
        jmp      SHORT G_M43167_IG18
 						;; size=2 bbWeight=2 PerfScore 4.00
 G_M43167_IG17:
        mov      eax, dword ptr [rbp-0x6C]
        lea      edi, [rax-0xD800]
        mov      r8d, dword ptr [rbp-0x7C]
        lea      esi, [r8-0xDC00]
        or       esi, edi
        cmp      esi, 0x3FF
        ja       G_M43167_IG50
        shl      edi, 10
        lea      edi, [rdi+r8+0x2400]
 						;; size=45 bbWeight=2 PerfScore 12.00
 G_M43167_IG18:
        mov      rsi, r13
        mov      edx, 4
        lea      rcx, [rbp-0x88]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.Rune:TryEncodeToUtf8(System.Text.Rune,System.Span`1[byte],byref):bool
        call     [rax]System.Text.Rune:TryEncodeToUtf8(System.Text.Rune,System.Span`1[byte],byref):bool
        test     eax, eax
        je       G_M43167_IG51
        mov      eax, dword ptr [rbp-0x88]
        cmp      eax, 4
        ja       G_M43167_IG52
        mov      dword ptr [rbp-0xA4], eax
        xor      ecx, ecx
        test     eax, eax
        jle      G_M43167_IG25
 						;; size=66 bbWeight=2 PerfScore 20.50
 G_M43167_IG19:
        mov      qword ptr [rbp-0xC8], rcx
        movzx    rdx, byte  ptr [rcx+r13]
        mov      dword ptr [rbp-0x8C], edx
        mov      r8d, dword ptr [rbp-0x60]
        mov      r9, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      r8d, edi
        jb       SHORT G_M43167_IG21
 						;; size=34 bbWeight=15.84 PerfScore 130.68
 G_M43167_IG20:
        lea      rdi, [rbp-0x68]
        mov      esi, 37
        mov      r8, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [r8]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      SHORT G_M43167_IG22
 						;; size=24 bbWeight=7.92 PerfScore 47.52
 G_M43167_IG21:
        mov      edi, r8d
        mov      word  ptr [r9+2*rdi], 37
        inc      r8d
        mov      dword ptr [rbp-0x60], r8d
 						;; size=17 bbWeight=7.92 PerfScore 19.80
 G_M43167_IG22:
        mov      r8d, dword ptr [rbp-0x60]
        mov      dword ptr [rbp-0x90], r8d
        mov      edi, dword ptr [rbp-0x50]
        add      edi, -2
        cmp      r8d, edi
        jle      SHORT G_M43167_IG24
 						;; size=22 bbWeight=15.84 PerfScore 71.28
 G_M43167_IG23:
        lea      rdi, [rbp-0x68]
        mov      esi, 2
        mov      r9, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:Grow(int):this
        call     [r9]System.Text.ValueStringBuilder:Grow(int):this
 						;; size=22 bbWeight=7.92 PerfScore 31.68
 G_M43167_IG24:
        mov      r8d, dword ptr [rbp-0x90]
        lea      edi, [r8+0x02]
        mov      dword ptr [rbp-0x60], edi
        mov      edi, r8d
        add      rdi, 2
        mov      esi, dword ptr [rbp-0x50]
        cmp      rdi, rsi
        ja       G_M43167_IG52
        mov      rdi, bword ptr [rbp-0x58]
        mov      esi, r8d
        lea      rdi, bword ptr [rdi+2*rsi]
        mov      edx, dword ptr [rbp-0x8C]
        mov      esi, edx
        and      esi, 240
        shl      esi, 4
        and      edx, 15
        lea      esi, [rsi+rdx-0x8989]
        mov      edx, esi
        neg      edx
        and      edx, 0x7070
        shr      edx, 4
        lea      esi, [rdx+rsi+0xB9B9]
        movzx    rdx, sil
        mov      word  ptr [rdi+0x02], dx
        shr      esi, 8
        mov      word  ptr [rdi], si
        mov      rcx, qword ptr [rbp-0xC8]
        inc      ecx
        mov      rdi, rcx
        mov      eax, dword ptr [rbp-0xA4]
        cmp      edi, eax
        mov      rcx, rdi
        jl       G_M43167_IG19
 						;; size=134 bbWeight=15.84 PerfScore 304.92
 G_M43167_IG25:
        cmp      byte  ptr [rbp-0x78], 0
        je       G_M43167_IG43
        inc      r12d
        jmp      G_M43167_IG43
 						;; size=18 bbWeight=2 PerfScore 10.50
 G_M43167_IG26:
        mov      eax, dword ptr [rbp-0x60]
        mov      rcx, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      eax, edi
        jb       SHORT G_M43167_IG27
        lea      rdi, [rbp-0x68]
        mov      esi, dword ptr [rbp-0x6C]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      SHORT G_M43167_IG28
 						;; size=35 bbWeight=2 PerfScore 22.00
 G_M43167_IG27:
        mov      edi, eax
        mov      edx, dword ptr [rbp-0x6C]
        mov      word  ptr [rcx+2*rdi], dx
        inc      eax
        mov      dword ptr [rbp-0x60], eax
 						;; size=14 bbWeight=2 PerfScore 7.00
 G_M43167_IG28:
        cmp      byte  ptr [rbp-0x78], 0
        je       SHORT G_M43167_IG25
        mov      eax, dword ptr [rbp-0x60]
        mov      rcx, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      eax, edi
        jb       SHORT G_M43167_IG29
        lea      rdi, [rbp-0x68]
        mov      esi, dword ptr [rbp-0x7C]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      SHORT G_M43167_IG25
 						;; size=41 bbWeight=2 PerfScore 28.00
 G_M43167_IG29:
        mov      edi, eax
        mov      esi, dword ptr [rbp-0x7C]
        mov      word  ptr [rcx+2*rdi], si
        inc      eax
        mov      dword ptr [rbp-0x60], eax
        jmp      SHORT G_M43167_IG25
 						;; size=16 bbWeight=2 PerfScore 11.00
 G_M43167_IG30:
        lea      eax, [r12+0x02]
        mov      dword ptr [rbp-0xBC], eax
        cmp      eax, r14d
        jb       SHORT G_M43167_IG33
 						;; size=16 bbWeight=2 PerfScore 5.50
 G_M43167_IG31:
        mov      eax, dword ptr [rbp-0x60]
        mov      rcx, bword ptr [rbp-0x58]
        mov      esi, dword ptr [rbp-0x50]
        cmp      eax, esi
        jb       SHORT G_M43167_IG32
        mov      dword ptr [rbp-0x6C], edi
        lea      rdi, [rbp-0x68]
        mov      esi, dword ptr [rbp-0x6C]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      G_M43167_IG43
 						;; size=41 bbWeight=2 PerfScore 24.00
 G_M43167_IG32:
        mov      esi, eax
        mov      word  ptr [rcx+2*rsi], di
        inc      eax
        mov      dword ptr [rbp-0x60], eax
        jmp      G_M43167_IG43
 						;; size=16 bbWeight=2 PerfScore 9.00
 G_M43167_IG33:
        lea      edi, [r12+0x01]
        cmp      edi, r14d
        jae      G_M43167_IG53
        lea      edi, [r12+0x01]
        movzx    rdi, word  ptr [r15+2*rdi]
        mov      esi, eax
        movzx    rsi, word  ptr [r15+2*rsi]
        mov      rcx, 0xD1FFAB1E      ; code for System.UriHelper:DecodeHexChars(int,int):char
        call     [rcx]System.UriHelper:DecodeHexChars(int,int):char
        mov      dword ptr [rbp-0x6C], eax
        cmp      eax, 0xFFFF
        je       G_M43167_IG37
        mov      eax, dword ptr [rbp-0x6C]
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       G_M43167_IG49
 						;; size=79 bbWeight=2 PerfScore 34.50
 G_M43167_IG34:
        mov      rdi, 0xD1FFAB1E      ; data for System.UriHelper:s_notSafeForUnescapeChars
        mov      rdi, gword ptr [rdi]
        mov      dword ptr [rbp-0x6C], eax
        mov      esi, eax
        mov      rcx, qword ptr [rdi]
        mov      rcx, qword ptr [rcx+0x40]
        call     [rcx+0x28]System.Buffers.SearchValues`1[char]:ContainsCore(char):bool:this
        test     eax, eax
        jne      G_M43167_IG37
        mov      eax, dword ptr [rbp-0x6C]
        cmp      eax, 127
        jle      SHORT G_M43167_IG35
        mov      edi, r12d
        lea      rdi, bword ptr [r15+2*rdi]
        mov      esi, r14d
        sub      esi, r12d
        movzx    rcx, bl
        lea      rdx, [rbp-0x68]
        mov      r8d, 1
        mov      rax, 0xD1FFAB1E      ; code for System.PercentEncodingHelper:UnescapePercentEncodedUTF8Sequence(System.ReadOnlySpan`1[char],byref,bool,bool):int
        call     [rax]System.PercentEncodingHelper:UnescapePercentEncodedUTF8Sequence(System.ReadOnlySpan`1[char],byref,bool,bool):int
        lea      r12d, [rax+r12-0x01]
        jmp      G_M43167_IG43
 						;; size=92 bbWeight=2 PerfScore 45.00
 G_M43167_IG35:
        mov      r12d, dword ptr [rbp-0x60]
        mov      rcx, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      r12d, edi
        jb       SHORT G_M43167_IG36
        lea      rdi, [rbp-0x68]
        mov      esi, eax
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        mov      r12d, dword ptr [rbp-0xBC]
        jmp      G_M43167_IG43
 						;; size=46 bbWeight=2 PerfScore 22.50
 G_M43167_IG36:
        mov      edi, r12d
        mov      word  ptr [rcx+2*rdi], ax
        inc      r12d
        mov      dword ptr [rbp-0x60], r12d
        mov      r12d, dword ptr [rbp-0xBC]
        jmp      G_M43167_IG43
 						;; size=26 bbWeight=2 PerfScore 11.00
 G_M43167_IG37:
        mov      edi, r12d
        movzx    rsi, word  ptr [r15+2*rdi]
        mov      eax, dword ptr [rbp-0x60]
        mov      rcx, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      eax, edi
        jb       SHORT G_M43167_IG38
        lea      rdi, [rbp-0x68]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      SHORT G_M43167_IG39
 						;; size=40 bbWeight=2 PerfScore 24.50
 G_M43167_IG38:
        mov      edi, eax
        mov      word  ptr [rcx+2*rdi], si
        inc      eax
        mov      dword ptr [rbp-0x60], eax
 						;; size=11 bbWeight=2 PerfScore 5.00
 G_M43167_IG39:
        lea      edi, [r12+0x01]
        movzx    rsi, word  ptr [r15+2*rdi]
        mov      r12d, dword ptr [rbp-0x60]
        mov      rax, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      r12d, edi
        jb       SHORT G_M43167_IG40
        lea      rdi, [rbp-0x68]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      SHORT G_M43167_IG41
 						;; size=44 bbWeight=2 PerfScore 25.00
 G_M43167_IG40:
        mov      edi, r12d
        mov      word  ptr [rax+2*rdi], si
        inc      r12d
        mov      dword ptr [rbp-0x60], r12d
 						;; size=14 bbWeight=2 PerfScore 5.00
 G_M43167_IG41:
        mov      r12d, dword ptr [rbp-0xBC]
        mov      edi, r12d
        movzx    rsi, word  ptr [r15+2*rdi]
        mov      eax, dword ptr [rbp-0x60]
        mov      rcx, bword ptr [rbp-0x58]
        mov      edi, dword ptr [rbp-0x50]
        cmp      eax, edi
        jb       SHORT G_M43167_IG42
        lea      rdi, [rbp-0x68]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.ValueStringBuilder:GrowAndAppend(char):this
        call     [rax]System.Text.ValueStringBuilder:GrowAndAppend(char):this
        jmp      SHORT G_M43167_IG43
 						;; size=47 bbWeight=2 PerfScore 26.50
 G_M43167_IG42:
        mov      edx, eax
        mov      word  ptr [rcx+2*rdx], si
        inc      eax
        mov      dword ptr [rbp-0x60], eax
 						;; size=11 bbWeight=2 PerfScore 5.00
 G_M43167_IG43:
        inc      r12d
        cmp      r12d, r14d
        jb       G_M43167_IG10
 						;; size=12 bbWeight=8 PerfScore 12.00
 G_M43167_IG44:
        mov      edi, dword ptr [rbp-0x60]
        cmp      edi, dword ptr [rbp-0x50]
        ja       G_M43167_IG52
        mov      rax, bword ptr [rbp-0x58]
        mov      bword ptr [rbp-0xA0], rax
        mov      dword ptr [rbp-0x98], edi
        lea      rdi, [rbp-0xA0]
        mov      rax, 0xD1FFAB1E      ; code for System.Span`1[char]:ToString():System.String:this
        call     [rax]System.Span`1[char]:ToString():System.String:this
        mov      rbx, rax
        mov      rsi, gword ptr [rbp-0x68]
        vxorps   ymm0, ymm0, ymm0
        vmovdqu  ymmword ptr [rbp-0x68], ymm0
        test     rsi, rsi
        je       SHORT G_M43167_IG46
 						;; size=69 bbWeight=1 PerfScore 14.58
 G_M43167_IG45:
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rdi]
        xor      edx, edx
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.SharedArrayPool`1[char]:Return(char[],bool):this
        call     [rax]System.Buffers.SharedArrayPool`1[char]:Return(char[],bool):this
 						;; size=27 bbWeight=0.50 PerfScore 2.88
 G_M43167_IG46:
        mov      rax, rbx
        cmp      qword ptr [rbp-0x30], 0xD1FFAB1E
        je       SHORT G_M43167_IG47
        call     CORINFO_HELP_FAIL_FAST
 						;; size=18 bbWeight=1 PerfScore 4.25
 G_M43167_IG47:
        nop      
 						;; size=1 bbWeight=1 PerfScore 0.25
 G_M43167_IG48:
        lea      rsp, [rbp-0x28]
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.50
 G_M43167_IG49:
        mov      dword ptr [rbp-0x6C], eax
        mov      rdi, 0xD1FFAB1E      ; System.UriHelper
        mov      rcx, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rcx]CORINFO_HELP_GET_GCSTATIC_BASE
        mov      eax, dword ptr [rbp-0x6C]
        jmp      G_M43167_IG34
 						;; size=33 bbWeight=0 PerfScore 0.00
 G_M43167_IG50:
        mov      rax, 0xD1FFAB1E      ; code for System.Char:ConvertToUtf32_ThrowInvalidArgs(uint)
        call     [rax]System.Char:ConvertToUtf32_ThrowInvalidArgs(uint)
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M43167_IG51:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
        call     [rax]System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M43167_IG52:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M43167_IG53:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 1563, prolog size 76, PerfScore 1119.05, instruction count 387, allocated bytes for code 1563 (MethodHash=216d5760) for method System.IriHelper:EscapeUnescapeIri(System.ReadOnlySpan`1[char],bool):System.String (FullOpts)
+; Total bytes of code 1598, prolog size 77, PerfScore 1120.92, instruction count 392, allocated bytes for code 1598 (MethodHash=216d5760) for method System.IriHelper:EscapeUnescapeIri(System.ReadOnlySpan`1[char],bool):System.String (FullOpts)
 ; ============================================================

29 (8.61 % of base) - System.Uri:RecreateParts(int,ushort,int):System.String:this

 ; Assembly listing for method System.Uri:RecreateParts(int,ushort,int):System.String:this (FullOpts)
 ; Emitting BLENDED_CODE for generic 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; 4 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  6,  5.50)     ref  ->  rbx         this class-hnd single-def <System.Uri>
 ;  V01 arg1         [V01,T01] (  3,  3   )     int  ->  r15         single-def
 ;  V02 arg2         [V02,T02] (  3,  3   )  ushort  ->  r14         single-def
 ;  V03 arg3         [V03,T03] (  3,  3   )     int  ->  r13         single-def
 ;  V04 loc0         [V04,T06] (  4,  3.50)     ref  ->  r12         class-hnd exact single-def <System.String>
 ;  V05 loc1         [V05    ] (  7,  7   )  struct (32) [rbp-0x48]  do-not-enreg[XSF] must-init addr-exposed ld-addr-op <System.Text.ValueStringBuilder>
 ;  V06 loc2         [V06    ] (  2,  2   )  struct (16) [rbp-0x58]  do-not-enreg[XSRM] multireg-ret multireg-dest must-init addr-exposed ld-addr-op <System.ReadOnlySpan`1[char]>
 ;* V07 loc3         [V07    ] (  0,  0   )  struct (32) zero-ref    do-not-enreg[SF] ld-addr-op <System.Text.ValueStringBuilder>
 ;* V08 loc4         [V08    ] (  0,  0   )  struct (16) zero-ref    <System.Span`1[char]>
 ;# V09 OutArgs      [V09    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V10 tmp1         [V10    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SBRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.ReadOnlySpan`1[char]>
 ;  V11 tmp2         [V11,T04] (  2,  4   )     ref  ->  rbx         class-hnd exact single-def "impAppendStmt" <System.String>
 ;* V12 tmp3         [V12    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
-;  V13 tmp4         [V13,T10] (  2,  2   )    long  ->   r8         "Inlining Arg"
+;  V13 tmp4         [V13,T11] (  2,  2   )    long  ->  rcx         "Inlining Arg"
 ;* V14 tmp5         [V14    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V15 tmp6         [V15    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <char[]>
 ;* V16 tmp7         [V16    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
-;  V17 tmp8         [V17,T07] (  3,  2.50)     ref  ->  rsi         class-hnd single-def "Inline stloc first use temp" <char[]>
+;  V17 tmp8         [V17,T08] (  3,  2.50)     ref  ->  rsi         class-hnd single-def "Inline stloc first use temp" <char[]>
 ;  V18 tmp9         [V18    ] (  2,  2   )   byref  ->  [rbp-0x58]  do-not-enreg[X] addr-exposed "field V06._reference (fldOffset=0x0)" P-DEP
 ;  V19 tmp10        [V19    ] (  2,  2   )     int  ->  [rbp-0x50]  do-not-enreg[X] addr-exposed "field V06._length (fldOffset=0x8)" P-DEP
 ;* V20 tmp11        [V20    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V08._reference (fldOffset=0x0)" P-INDEP
-;* V21 tmp12        [V21    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
+;* V21 tmp12        [V21    ] (  0,  0   )     int  ->  zero-ref    single-def "field V08._length (fldOffset=0x8)" P-INDEP
 ;* V22 tmp13        [V22    ] (  0,  0   )   byref  ->  zero-ref    "field V10._reference (fldOffset=0x0)" P-DEP
 ;* V23 tmp14        [V23    ] (  0,  0   )     int  ->  zero-ref    "field V10._length (fldOffset=0x8)" P-DEP
-;  V24 tmp15        [V24,T13] (  2,  1   )   byref  ->   r8         single-def "field V12._reference (fldOffset=0x0)" P-INDEP
-;* V25 tmp16        [V25    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
-;  V26 tmp17        [V26,T11] (  3,  1.50)   byref  ->   r8         "field V16._reference (fldOffset=0x0)" P-INDEP
-;  V27 tmp18        [V27,T12] (  3,  1.50)     int  ->  rsi         "field V16._length (fldOffset=0x8)" P-INDEP
+;  V24 tmp15        [V24,T14] (  2,  1   )   byref  ->  rcx         single-def "field V12._reference (fldOffset=0x0)" P-INDEP
+;* V25 tmp16        [V25    ] (  0,  0   )     int  ->  zero-ref    single-def "field V12._length (fldOffset=0x8)" P-INDEP
+;  V26 tmp17        [V26,T12] (  3,  1.50)   byref  ->  rcx         "field V16._reference (fldOffset=0x0)" P-INDEP
+;  V27 tmp18        [V27,T13] (  3,  1.50)     int  ->  rdx         "field V16._length (fldOffset=0x8)" P-INDEP
 ;  V28 tmp19        [V28,T05] (  6,  3.50)     ref  ->  rax         "V07.[000..008)"
 ;* V29 tmp20        [V29    ] (  0,  0   )     int  ->  zero-ref    "V07.[008..012)"
-;  V30 tmp21        [V30,T08] (  3,  2   )   byref  ->   r8         "V07.[016..024)"
-;  V31 tmp22        [V31,T09] (  3,  2   )     int  ->  rsi         "V07.[024..028)"
-;  V32 GsCookie     [V32    ] (  1,  1   )    long  ->  [rbp-0x60]  do-not-enreg[X] addr-exposed "GSSecurityCookie"
+;  V30 tmp21        [V30,T09] (  3,  2   )   byref  ->  rcx         "V07.[016..024)"
+;  V31 tmp22        [V31,T10] (  3,  2   )     int  ->  rdx         "V07.[024..028)"
+;  V32 GsCookie     [V32    ] (  1,  1   )    long  ->  [rbp-0x68]  do-not-enreg[X] addr-exposed "GSSecurityCookie"
+;  V33 rat0         [V33,T07] (  3,  3   )    long  ->  [rbp-0x60]  spill-single-def "ReplaceWithLclVar is creating a new local variable"
 ;
-; Lcl frame size = 56
+; Lcl frame size = 72
 
 G_M54188_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 56
-       lea      rbp, [rsp+0x60]
+       sub      rsp, 72
+       lea      rbp, [rsp+0x70]
        xor      eax, eax
        mov      qword ptr [rbp-0x58], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqu  ymmword ptr [rbp-0x50], ymm8
        mov      qword ptr [rbp-0x30], rax
-       mov      qword ptr [rbp-0x60], 0xD1FFAB1E
+       mov      qword ptr [rbp-0x68], 0xD1FFAB1E
        mov      rbx, rdi
        mov      r15d, esi
        mov      r14d, edx
        mov      r13d, ecx
 						;; size=59 bbWeight=1 PerfScore 13.33
 G_M54188_IG02:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:EnsureUriInfo():System.Uri+UriInfo:this
        call     [rax]System.Uri:EnsureUriInfo():System.Uri+UriInfo:this
        cmp      gword ptr [rax+0x10], 0
        jne      SHORT G_M54188_IG04
 						;; size=22 bbWeight=1 PerfScore 7.50
 G_M54188_IG03:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:CreateHostString():this
        call     [rax]System.Uri:CreateHostString():this
 						;; size=15 bbWeight=0.50 PerfScore 1.75
 G_M54188_IG04:
        mov      r12, gword ptr [rbx+0x08]
        cmp      dword ptr [r12+0x08], 512
        jle      SHORT G_M54188_IG08
 						;; size=15 bbWeight=1 PerfScore 6.00
 G_M54188_IG05:
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rdi]
        mov      esi, dword ptr [r12+0x08]
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.SharedArrayPool`1[char]:Rent(int):char[]:this
        call     [rax]System.Buffers.SharedArrayPool`1[char]:Rent(int):char[]:this
        test     rax, rax
        je       SHORT G_M54188_IG06
-       lea      r8, bword ptr [rax+0x10]
-       mov      esi, dword ptr [rax+0x08]
+       lea      rcx, bword ptr [rax+0x10]
+       mov      edx, dword ptr [rax+0x08]
        jmp      SHORT G_M54188_IG07
 						;; size=44 bbWeight=0.50 PerfScore 6.62
 G_M54188_IG06:
-       xor      r8, r8
-       xor      esi, esi
-						;; size=5 bbWeight=0.50 PerfScore 0.25
+       xor      rcx, rcx
+       xor      edx, edx
+						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M54188_IG07:
        jmp      SHORT G_M54188_IG09
 						;; size=2 bbWeight=0.50 PerfScore 1.00
 G_M54188_IG08:
        test     dword ptr [rsp], esp
        sub      rsp, 0x400
-       lea      r8, [rsp]
+       lea      rdi, [rsp]
+       mov      qword ptr [rbp-0x60], rdi
+       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_MEMZERO
+       mov      esi, 0x400
+       call     [rax]CORINFO_HELP_MEMZERO
+       mov      rdi, qword ptr [rbp-0x60]
+       mov      rcx, rdi
        xor      rax, rax
-       mov      esi, 512
-						;; size=21 bbWeight=0.50 PerfScore 2.12
+       mov      edx, 512
+						;; size=49 bbWeight=0.50 PerfScore 5.00
 G_M54188_IG09:
        mov      gword ptr [rbp-0x48], rax
-       xor      edi, edi
-       mov      dword ptr [rbp-0x40], edi
-       mov      bword ptr [rbp-0x38], r8
-       mov      dword ptr [rbp-0x30], esi
+       xor      r8d, r8d
+       mov      dword ptr [rbp-0x40], r8d
+       mov      bword ptr [rbp-0x38], rcx
+       mov      dword ptr [rbp-0x30], edx
        movzx    r8, r14w
        lea      rsi, [rbp-0x48]
        mov      rdi, rbx
        mov      rdx, r12
        mov      ecx, r15d
        mov      r9d, r13d
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:RecreateParts(byref,System.String,int,ushort,int):System.ReadOnlySpan`1[char]:this
        call     [rax]System.Uri:RecreateParts(byref,System.String,int,ushort,int):System.ReadOnlySpan`1[char]:this
        mov      bword ptr [rbp-0x58], rax
        mov      qword ptr [rbp-0x50], rdx
        lea      rdi, [rbp-0x58]
        mov      rax, 0xD1FFAB1E      ; code for System.ReadOnlySpan`1[char]:ToString():System.String:this
        call     [rax]System.ReadOnlySpan`1[char]:ToString():System.String:this
        mov      rbx, rax
        mov      rsi, gword ptr [rbp-0x48]
        vxorps   ymm0, ymm0, ymm0
        vmovdqu  ymmword ptr [rbp-0x48], ymm0
        test     rsi, rsi
        je       SHORT G_M54188_IG11
-						;; size=93 bbWeight=1 PerfScore 18.83
+						;; size=95 bbWeight=1 PerfScore 18.83
 G_M54188_IG10:
        mov      rdi, 0xD1FFAB1E      ; const ptr
        mov      rdi, gword ptr [rdi]
        xor      edx, edx
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.SharedArrayPool`1[char]:Return(char[],bool):this
        call     [rax]System.Buffers.SharedArrayPool`1[char]:Return(char[],bool):this
 						;; size=27 bbWeight=0.50 PerfScore 2.88
 G_M54188_IG11:
        mov      rax, rbx
-       cmp      qword ptr [rbp-0x60], 0xD1FFAB1E
+       cmp      qword ptr [rbp-0x68], 0xD1FFAB1E
        je       SHORT G_M54188_IG12
        call     CORINFO_HELP_FAIL_FAST
 						;; size=18 bbWeight=1 PerfScore 4.25
 G_M54188_IG12:
        nop      
 						;; size=1 bbWeight=1 PerfScore 0.25
 G_M54188_IG13:
        lea      rsp, [rbp-0x28]
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.50
 
-; Total bytes of code 337, prolog size 47, PerfScore 69.29, instruction count 89, allocated bytes for code 337 (MethodHash=56b52c53) for method System.Uri:RecreateParts(int,ushort,int):System.String:this (FullOpts)
+; Total bytes of code 366, prolog size 47, PerfScore 72.17, instruction count 95, allocated bytes for code 366 (MethodHash=56b52c53) for method System.Uri:RecreateParts(int,ushort,int):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/eb72fa3a0291f141e8398497c3bb0a96

[MihuBot]

Top method improvements

-1 (-0.20 % of base) - System.Uri:CreateHostStringHelper(System.String,int,int,byref,System.Uri+UriInfo):System.String

 ; Assembly listing for method System.Uri:CreateHostStringHelper(System.String,int,int,byref,System.Uri+UriInfo):System.String (FullOpts)
 ; Emitting BLENDED_CODE for generic 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; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T01] (  8,  5   )     ref  ->  rdi         class-hnd single-def <System.String>
 ;  V01 arg1         [V01,T00] ( 10,  6   )     int  ->  rsi         single-def
 ;  V02 arg2         [V02,T03] (  5,  3.50)     int  ->  rdx         single-def
 ;  V03 arg3         [V03,T02] (  6,  4.50)   byref  ->  rbx         single-def
 ;  V04 arg4         [V04,T06] (  3,  2.50)     ref  ->  r15         class-hnd single-def <System.Uri+UriInfo>
-;  V05 loc0         [V05    ] (  7,  4.50)   ubyte  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed ld-addr-op
+;  V05 loc0         [V05    ] (  6,  3.50)   ubyte  ->  [rbp-0x20]  do-not-enreg[X] must-init addr-exposed ld-addr-op
 ;  V06 loc1         [V06,T05] (  8,  4.50)     ref  ->  r14         class-hnd <System.String>
 ;  V07 loc2         [V07    ] (  4,  2   )  struct (16) [rbp-0x30]  do-not-enreg[XSA] multireg-arg must-init addr-exposed ld-addr-op <System.ReadOnlySpan`1[char]>
-;  V08 loc3         [V08,T04] (  8,  5   )    long  ->  rax        
+;  V08 loc3         [V08,T04] (  8,  5   )    long  ->  rax         single-def
 ;# V09 OutArgs      [V09    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V10 tmp1         [V10    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;* V11 tmp2         [V11    ] (  0,  0   )  struct (16) zero-ref    multireg-arg "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
 ;* V12 tmp3         [V12    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V13 tmp4         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;  V14 tmp5         [V14,T07] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
 ;  V15 tmp6         [V15,T08] (  2,  2   )     int  ->  rsi         "Inlining Arg"
 ;* V16 tmp7         [V16    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;  V17 tmp8         [V17    ] (  3,  1.50)   byref  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "field V07._reference (fldOffset=0x0)" P-DEP
 ;  V18 tmp9         [V18    ] (  4,  2   )     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed "field V07._length (fldOffset=0x8)" P-DEP
 ;* V19 tmp10        [V19    ] (  0,  0   )   byref  ->  zero-ref    "field V10._reference (fldOffset=0x0)" P-INDEP
 ;* V20 tmp11        [V20    ] (  0,  0   )     int  ->  zero-ref    "field V10._length (fldOffset=0x8)" P-INDEP
 ;  V21 tmp12        [V21,T09] (  3,  1.50)   byref  ->  rdi         "field V11._reference (fldOffset=0x0)" P-INDEP
 ;  V22 tmp13        [V22,T10] (  3,  1.50)     int  ->  rsi         "field V11._length (fldOffset=0x8)" P-INDEP
 ;* V23 tmp14        [V23    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V12._reference (fldOffset=0x0)" P-INDEP
-;* V24 tmp15        [V24    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
+;* V24 tmp15        [V24    ] (  0,  0   )     int  ->  zero-ref    single-def "field V12._length (fldOffset=0x8)" P-INDEP
 ;* V25 tmp16        [V25    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
-;* V26 tmp17        [V26    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
+;* V26 tmp17        [V26    ] (  0,  0   )     int  ->  zero-ref    single-def "field V13._length (fldOffset=0x8)" P-INDEP
 ;  V27 cse0         [V27,T11] (  3,  1.50)     int  ->  rdx         "CSE #01: moderate"
 ;  TEMP_01                                   byref  ->  [rbp-0x38]
 ;
 ; Lcl frame size = 40
 
 G_M20141_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+0x40]
-       vxorps   xmm8, xmm8, xmm8
-       vmovdqu  xmmword ptr [rbp-0x38], xmm8
        xor      eax, eax
-       mov      qword ptr [rbp-0x28], rax
+       mov      qword ptr [rbp-0x38], rax
+       vxorps   xmm8, xmm8, xmm8
+       vmovdqa  xmmword ptr [rbp-0x30], xmm8
+       mov      qword ptr [rbp-0x20], rax
        mov      rbx, rcx
        mov      r15, r8
-						;; size=37 bbWeight=1 PerfScore 8.83
+						;; size=41 bbWeight=1 PerfScore 9.83
 G_M20141_IG02:
-       xor      eax, eax
-       mov      dword ptr [rbp-0x20], eax
        mov      rax, 0xD1FFAB1E
        and      rax, qword ptr [rbx]
        mov      rcx, 0xD1FFAB1E
        cmp      rax, rcx
        jbe      G_M20141_IG07
-						;; size=37 bbWeight=1 PerfScore 6.00
+						;; size=32 bbWeight=1 PerfScore 4.75
 G_M20141_IG03:
        mov      rcx, 0xD1FFAB1E
        cmp      rax, rcx
        je       G_M20141_IG12
        mov      rcx, 0xD1FFAB1E
        cmp      rax, rcx
        jne      SHORT G_M20141_IG06
        mov      rax, 0xD1FFAB1E
        test     qword ptr [rbx], rax
        jne      SHORT G_M20141_IG04
        sub      edx, esi
        mov      rax, 0xD1FFAB1E      ; code for System.String:Substring(int,int):System.String:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.String:Substring(int,int):System.String:this
        mov      r14, rax
        jmp      SHORT G_M20141_IG05
 						;; size=70 bbWeight=0.50 PerfScore 8.00
 G_M20141_IG04:
        mov      r14, 0xD1FFAB1E      ; ''
 						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M20141_IG05:
        mov      edi, 1
        cmp      dword ptr [r14+0x08], 0
        cmovne   edi, dword ptr [rbp-0x20]
        mov      dword ptr [rbp-0x20], edi
        jmp      G_M20141_IG13
 						;; size=22 bbWeight=0.50 PerfScore 4.12
 G_M20141_IG06:
        mov      rdi, 0xD1FFAB1E
        cmp      rax, rdi
        jne      G_M20141_IG17
        mov      r14, 0xD1FFAB1E      ; ''
        jmp      G_M20141_IG13
 						;; size=34 bbWeight=0.50 PerfScore 1.88
 G_M20141_IG07:
        mov      rcx, 0xD1FFAB1E
        cmp      rax, rcx
        jne      SHORT G_M20141_IG10
        test     rdi, rdi
        je       SHORT G_M20141_IG08
        mov      edx, dword ptr [rdi+0x08]
        cmp      edx, esi
        jb       G_M20141_IG18
        mov      ecx, esi
        lea      rdi, bword ptr [rdi+2*rcx+0x0C]
        sub      edx, esi
        mov      esi, edx
        jmp      SHORT G_M20141_IG09
 						;; size=44 bbWeight=0.50 PerfScore 4.88
 G_M20141_IG08:
        test     esi, esi
        jne      G_M20141_IG18
        xor      rdi, rdi
        xor      esi, esi
 						;; size=12 bbWeight=0.50 PerfScore 0.88
 G_M20141_IG09:
        lea      rdx, [rbp-0x20]
        lea      rcx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.Net.IPv6AddressHelper:ParseCanonicalName(System.ReadOnlySpan`1[char],byref,byref):System.String
        call     [rax]System.Net.IPv6AddressHelper:ParseCanonicalName(System.ReadOnlySpan`1[char],byref,byref):System.String
        mov      r14, rax
        cmp      dword ptr [rbp-0x28], 0
        je       SHORT G_M20141_IG13
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Uri+UriInfo:get_MoreInfo():System.Uri+MoreInfo:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Uri+UriInfo:get_MoreInfo():System.Uri+MoreInfo:this
        lea      rdi, bword ptr [rax+0x30]
        mov      bword ptr [rbp-0x38], rdi
        mov      rdi, bword ptr [rbp-0x30]
        mov      rsi, qword ptr [rbp-0x28]
        call     System.String:.ctor(System.ReadOnlySpan`1[char]):this
        mov      rdi, bword ptr [rbp-0x38]
        mov      rsi, rax
        call     CORINFO_HELP_ASSIGN_REF
        jmp      SHORT G_M20141_IG13
 						;; size=81 bbWeight=0.50 PerfScore 11.38
 G_M20141_IG10:
        mov      rcx, 0xD1FFAB1E
        cmp      rax, rcx
        jne      SHORT G_M20141_IG11
        lea      rcx, [rbp-0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.Net.IPv4AddressHelper:ParseCanonicalName(System.String,int,int,byref):System.String
        call     [rax]System.Net.IPv4AddressHelper:ParseCanonicalName(System.String,int,int,byref):System.String
        mov      r14, rax
        jmp      SHORT G_M20141_IG13
 						;; size=36 bbWeight=0.50 PerfScore 3.75
 G_M20141_IG11:
        mov      rcx, 0xD1FFAB1E
        cmp      rax, rcx
        jne      SHORT G_M20141_IG17
 						;; size=15 bbWeight=0.50 PerfScore 0.75
 G_M20141_IG12:
        lea      rcx, [rbp-0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.DomainNameHelper:ParseCanonicalName(System.String,int,int,byref):System.String
        call     [rax]System.DomainNameHelper:ParseCanonicalName(System.String,int,int,byref):System.String
        mov      r14, rax
 						;; size=19 bbWeight=0.50 PerfScore 2.00
 G_M20141_IG13:
        cmp      byte  ptr [rbp-0x20], 0
        je       SHORT G_M20141_IG15
 						;; size=6 bbWeight=1 PerfScore 3.00
 G_M20141_IG14:
        mov      rax, 0xD1FFAB1E
        or       qword ptr [rbx], rax
 						;; size=13 bbWeight=0.50 PerfScore 1.62
 G_M20141_IG15:
        mov      rax, r14
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M20141_IG16:
        add      rsp, 40
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=11 bbWeight=1 PerfScore 3.25
 G_M20141_IG17:
        mov      edi, 8
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:GetException(int):System.UriFormatException
        call     [rax]System.Uri:GetException(int):System.UriFormatException
        mov      rdi, rax
        call     CORINFO_HELP_THROW
        int3     
 						;; size=26 bbWeight=0 PerfScore 0.00
 G_M20141_IG18:
        mov      edi, 33
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 494, prolog size 31, PerfScore 60.71, instruction count 118, allocated bytes for code 494 (MethodHash=9148b152) for method System.Uri:CreateHostStringHelper(System.String,int,int,byref,System.Uri+UriInfo):System.String (FullOpts)
+; Total bytes of code 493, prolog size 35, PerfScore 60.46, instruction count 117, allocated bytes for code 493 (MethodHash=9148b152) for method System.Uri:CreateHostStringHelper(System.String,int,int,byref,System.Uri+UriInfo):System.String (FullOpts)
 ; ============================================================

[MihuBot]

@EgorBo