dotnet · tannergooding · May 24, 2025 · May 24, 2025 · May 24, 2025
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -48,11 +48,11 @@ jobs:
           ./artifacts/pkg/**/*
           ./artifacts/tst/**/*
         if-no-files-found: error
-  macos-x64:
+  macos-arm64:
     runs-on: ${{ matrix.os }}-latest
     strategy:
       matrix:
-        architecture: [ x64 ]
+        architecture: [ arm64 ]
         configuration: [ debug, release ]
         os: [ macos ]
     steps:
@@ -153,7 +153,7 @@ jobs:
   publish-nightlies-azure:
     runs-on: ubuntu-latest
     if: ${{ github.event_name == 'push' }}
-    needs: [ windows-x64, linux-x64, macos-x64, sign-nuget-preview, sign-nuget-release ]
+    needs: [ windows-x64, linux-x64, macos-arm64, sign-nuget-preview, sign-nuget-release ]
     steps:
     - uses: actions/download-artifact@v4
       with:
@@ -169,7 +169,7 @@ jobs:
   publish-nightlies-github:
     runs-on: ubuntu-latest
     if: false
-    needs: [ windows-x64, linux-x64, macos-x64, sign-nuget-preview, sign-nuget-release ]
+    needs: [ windows-x64, linux-x64, macos-arm64, sign-nuget-preview, sign-nuget-release ]
     steps:
     - uses: actions/download-artifact@v4
       with:

diff --git a/Directory.Build.props b/Directory.Build.props
@@ -47,7 +47,7 @@
     <PackageValidationBaselineVersion>16.0.0</PackageValidationBaselineVersion>
     <Product>LLVMSharp</Product>
     <RootNamespace>LLVMSharp</RootNamespace>
-    <VersionPrefix>18.1.0</VersionPrefix>
+    <VersionPrefix>20.1.2</VersionPrefix>
     <VersionSuffix Condition="'$(EXCLUDE_SUFFIX_FROM_VERSION)' != 'true'">rc1</VersionSuffix>
     <VersionSuffix Condition="'$(GITHUB_EVENT_NAME)' == 'pull_request'">pr</VersionSuffix>
   </PropertyGroup>

diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -12,7 +12,7 @@
 
   <!-- Package versions for package references across all projects -->
   <ItemGroup>
-    <PackageVersion Include="libLLVM" Version="18.1.3.1" />
+    <PackageVersion Include="libLLVM" Version="20.1.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageVersion Include="NUnit" Version="4.1.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.5.0" />

diff --git a/LLVMSharp.sln b/LLVMSharp.sln
@@ -71,11 +71,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "libLLVM.runtime.linux-arm64
 		packages\libLLVM\libLLVM.runtime.linux-arm64\libLLVM.runtime.linux-arm64.nuspec = packages\libLLVM\libLLVM.runtime.linux-arm64\libLLVM.runtime.linux-arm64.nuspec
 	EndProjectSection
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "libLLVM.runtime.osx-x64", "libLLVM.runtime.osx-x64", "{D4550E5E-9485-4480-B2B6-9503EEC935BF}"
-	ProjectSection(SolutionItems) = preProject
-		packages\libLLVM\libLLVM.runtime.osx-x64\libLLVM.runtime.osx-x64.nuspec = packages\libLLVM\libLLVM.runtime.osx-x64\libLLVM.runtime.osx-x64.nuspec
-	EndProjectSection
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "libLLVM.runtime.win-x64", "libLLVM.runtime.win-x64", "{E785DDD0-B9CD-4412-8A3C-4E65C601168C}"
 	ProjectSection(SolutionItems) = preProject
 		packages\libLLVM\libLLVM.runtime.win-x64\libLLVM.runtime.win-x64.nuspec = packages\libLLVM\libLLVM.runtime.win-x64\libLLVM.runtime.win-x64.nuspec
@@ -133,7 +128,6 @@ Global
 		{9D46FF1C-E09F-4063-A97D-C09F26310B67} = {CD611531-75EA-4328-8C25-8D0496E61EC2}
 		{568A07AC-AF60-4A3E-ABD3-2B51D9DD4EBF} = {9D46FF1C-E09F-4063-A97D-C09F26310B67}
 		{16539CB8-8AC7-4AD0-9D54-8EE615B2FCF3} = {9D46FF1C-E09F-4063-A97D-C09F26310B67}
-		{D4550E5E-9485-4480-B2B6-9503EEC935BF} = {9D46FF1C-E09F-4063-A97D-C09F26310B67}
 		{E785DDD0-B9CD-4412-8A3C-4E65C601168C} = {9D46FF1C-E09F-4063-A97D-C09F26310B67}
 		{19DB05E9-59B6-45E9-B47D-62913F7DF9A8} = {9D46FF1C-E09F-4063-A97D-C09F26310B67}
 		{CEA0F0C9-DF25-446B-8F55-FB629BD1D3E6} = {62B5C536-C224-4EE1-972F-05F732B5980B}

diff --git a/packages/libLLVM/libLLVM.runtime.linux-arm64/libLLVM.runtime.linux-arm64.nuspec b/packages/libLLVM/libLLVM.runtime.linux-arm64/libLLVM.runtime.linux-arm64.nuspec
@@ -2,15 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata minClientVersion="2.12">
     <id>libLLVM.runtime.linux-arm64</id>
-    <version>18.1.3</version>
+    <version>20.1.2</version>
     <authors>.NET Foundation and Contributors</authors>
     <owners>.NET Foundation and Contributors</owners>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <license type="expression">Apache-2.0 WITH LLVM-exception</license>
     <projectUrl>https://github.com/dotnet/llvmsharp</projectUrl>
     <description>linux arm64 native library for libLLVM.</description>
     <copyright>Copyright © LLVM Project</copyright>
-    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-18.1.3" />
+    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-20.1.2" />
   </metadata>
   <files>
     <file src="..\libLLVM\LICENSE.TXT" target="LICENSE.TXT" />

diff --git a/packages/libLLVM/libLLVM.runtime.linux-x64/libLLVM.runtime.linux-x64.nuspec b/packages/libLLVM/libLLVM.runtime.linux-x64/libLLVM.runtime.linux-x64.nuspec
@@ -2,15 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata minClientVersion="2.12">
     <id>libLLVM.runtime.linux-x64</id>
-    <version>18.1.3</version>
+    <version>20.1.2</version>
     <authors>.NET Foundation and Contributors</authors>
     <owners>.NET Foundation and Contributors</owners>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <license type="expression">Apache-2.0 WITH LLVM-exception</license>
     <projectUrl>https://github.com/dotnet/llvmsharp</projectUrl>
     <description>linux x64 native library for libLLVM.</description>
     <copyright>Copyright © LLVM Project</copyright>
-    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-18.1.3" />
+    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-20.1.2" />
   </metadata>
   <files>
     <file src="..\libLLVM\LICENSE.TXT" target="LICENSE.TXT" />

diff --git a/packages/libLLVM/libLLVM.runtime.osx-arm64/libLLVM.runtime.osx-arm64.nuspec b/packages/libLLVM/libLLVM.runtime.osx-arm64/libLLVM.runtime.osx-arm64.nuspec
@@ -2,15 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata minClientVersion="2.12">
     <id>libLLVM.runtime.osx-arm64</id>
-    <version>18.1.3</version>
+    <version>20.1.2</version>
     <authors>.NET Foundation and Contributors</authors>
     <owners>.NET Foundation and Contributors</owners>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <license type="expression">Apache-2.0 WITH LLVM-exception</license>
     <projectUrl>https://github.com/dotnet/llvmsharp</projectUrl>
     <description>osx arm64 native library for libLLVM.</description>
     <copyright>Copyright © LLVM Project</copyright>
-    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-18.1.3" />
+    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-20.1.2" />
   </metadata>
   <files>
     <file src="..\libLLVM\LICENSE.TXT" target="LICENSE.TXT" />

diff --git a/packages/libLLVM/libLLVM.runtime.osx-x64/libLLVM.runtime.osx-x64.nuspec b/packages/libLLVM/libLLVM.runtime.osx-x64/libLLVM.runtime.osx-x64.nuspec
diff --git a/packages/libLLVM/libLLVM.runtime.win-arm64/libLLVM.runtime.win-arm64.nuspec b/packages/libLLVM/libLLVM.runtime.win-arm64/libLLVM.runtime.win-arm64.nuspec
@@ -2,15 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata minClientVersion="2.12">
     <id>libLLVM.runtime.win-arm64</id>
-    <version>18.1.3.1</version>
+    <version>20.1.2</version>
     <authors>.NET Foundation and Contributors</authors>
     <owners>.NET Foundation and Contributors</owners>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <license type="expression">Apache-2.0 WITH LLVM-exception</license>
     <projectUrl>https://github.com/dotnet/llvmsharp</projectUrl>
     <description>win arm64 native library for libLLVM.</description>
     <copyright>Copyright © LLVM Project</copyright>
-    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-18.1.3" />
+    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-20.1.2" />
   </metadata>
   <files>
     <file src="..\libLLVM\LICENSE.TXT" target="LICENSE.TXT" />

diff --git a/packages/libLLVM/libLLVM.runtime.win-x64/libLLVM.runtime.win-x64.nuspec b/packages/libLLVM/libLLVM.runtime.win-x64/libLLVM.runtime.win-x64.nuspec
@@ -2,15 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata minClientVersion="2.12">
     <id>libLLVM.runtime.win-x64</id>
-    <version>18.1.3.1</version>
+    <version>20.1.2</version>
     <authors>.NET Foundation and Contributors</authors>
     <owners>.NET Foundation and Contributors</owners>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <license type="expression">Apache-2.0 WITH LLVM-exception</license>
     <projectUrl>https://github.com/dotnet/llvmsharp</projectUrl>
     <description>win x64 native library for libLLVM.</description>
     <copyright>Copyright © LLVM Project</copyright>
-    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-18.1.3" />
+    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-20.1.2" />
   </metadata>
   <files>
     <file src="..\libLLVM\LICENSE.TXT" target="LICENSE.TXT" />

diff --git a/packages/libLLVM/libLLVM/libLLVM.nuspec b/packages/libLLVM/libLLVM/libLLVM.nuspec
@@ -2,15 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata minClientVersion="2.12">
     <id>libLLVM</id>
-    <version>18.1.3.1</version>
+    <version>20.1.2</version>
     <authors>.NET Foundation and Contributors</authors>
     <owners>.NET Foundation and Contributors</owners>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <license type="expression">Apache-2.0 WITH LLVM-exception</license>
     <projectUrl>https://github.com/dotnet/llvmsharp</projectUrl>
     <description>Multi-platform native library for libLLVM.</description>
     <copyright>Copyright © LLVM Project</copyright>
-    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-18.1.3" />
+    <repository type="git" url="https://github.com/llvm/llvm-project" branch="llvmorg-20.1.2" />
     <dependencies>
       <group targetFramework=".NETStandard2.0" />
     </dependencies>

diff --git a/packages/libLLVM/libLLVM/runtime.json b/packages/libLLVM/libLLVM/runtime.json
@@ -2,32 +2,27 @@
   "runtimes": {
     "linux-arm64": {
       "libLLVM": {
-        "libLLVM.runtime.linux-arm64": "18.1.3"
+        "libLLVM.runtime.linux-arm64": "20.1.2"
       }
     },
     "linux-x64": {
       "libLLVM": {
-        "libLLVM.runtime.linux-x64": "18.1.3"
+        "libLLVM.runtime.linux-x64": "20.1.2"
       }
     },
     "osx-arm64": {
       "libLLVM": {
-        "libLLVM.runtime.osx-arm64": "18.1.3"
-      }
-    },
-    "osx-x64": {
-      "libLLVM": {
-        "libLLVM.runtime.osx-x64": "18.1.3"
+        "libLLVM.runtime.osx-arm64": "20.1.2"
       }
     },
     "win-arm64": {
       "libLLVM": {
-        "libLLVM.runtime.win-arm64": "18.1.3.1"
+        "libLLVM.runtime.win-arm64": "20.1.2"
       }
     },
     "win-x64": {
       "libLLVM": {
-        "libLLVM.runtime.win-x64": "18.1.3.1"
+        "libLLVM.runtime.win-x64": "20.1.2"
       }
     }
   }

diff --git a/sources/LLVMSharp.Interop/Extensions/LLVM.Manual.cs b/sources/LLVMSharp.Interop/Extensions/LLVM.Manual.cs
@@ -1,6 +1,6 @@
 // Copyright (c) .NET Foundation and Contributors. All Rights Reserved. Licensed under the MIT License (MIT). See License.md in the repository root for more information.
 
-// Ported from https://github.com/llvm/llvm-project/tree/llvmorg-18.1.3/llvm/include/llvm-c
+// Ported from https://github.com/llvm/llvm-project/tree/llvmorg-20.1.2/llvm/include/llvm-c
 // Original source is Copyright (c) the LLVM Project and Contributors. Licensed under the Apache License v2.0 with LLVM Exceptions. See NOTICE.txt in the project root for license information.
 
 using System.Runtime.InteropServices;
@@ -51,6 +51,9 @@ public static unsafe partial class LLVM
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSparcTargetInfo", ExactSpelling = true)]
     public static extern void InitializeSparcTargetInfo();
 
+    [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSPIRVTargetInfo", ExactSpelling = true)]
+    public static extern void InitializeSPIRVTargetInfo();
+
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSystemZTargetInfo", ExactSpelling = true)]
     public static extern void InitializeSystemZTargetInfo();
 
@@ -108,6 +111,9 @@ public static unsafe partial class LLVM
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSparcTarget", ExactSpelling = true)]
     public static extern void InitializeSparcTarget();
 
+    [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSPIRVTarget", ExactSpelling = true)]
+    public static extern void InitializeSPIRVTarget();
+
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSystemZTarget", ExactSpelling = true)]
     public static extern void InitializeSystemZTarget();
 
@@ -165,6 +171,9 @@ public static unsafe partial class LLVM
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSparcTargetMC", ExactSpelling = true)]
     public static extern void InitializeSparcTargetMC();
 
+    [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSPIRVTargetMC", ExactSpelling = true)]
+    public static extern void InitializeSPIRVTargetMC();
+
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSystemZTargetMC", ExactSpelling = true)]
     public static extern void InitializeSystemZTargetMC();
 
@@ -222,6 +231,9 @@ public static unsafe partial class LLVM
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSparcAsmPrinter", ExactSpelling = true)]
     public static extern void InitializeSparcAsmPrinter();
 
+    [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSPIRVAsmPrinter", ExactSpelling = true)]
+    public static extern void InitializeSPIRVAsmPrinter();
+
     [DllImport("libLLVM", CallingConvention = CallingConvention.Cdecl, EntryPoint = "LLVMInitializeSystemZAsmPrinter", ExactSpelling = true)]
     public static extern void InitializeSystemZAsmPrinter();
 

diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMBuilderRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMBuilderRef.cs
@@ -491,14 +491,6 @@ public readonly LLVMValueRef BuildNUWMul(LLVMValueRef LHS, LLVMValueRef RHS, Rea
         return LLVM.BuildNUWMul(this, LHS, RHS, marshaledName);
     }
 
-    public readonly LLVMValueRef BuildNUWNeg(LLVMValueRef V, string Name = "") => BuildNUWNeg(V, Name.AsSpan());
-
-    public readonly LLVMValueRef BuildNUWNeg(LLVMValueRef V, ReadOnlySpan<char> Name)
-    {
-        using var marshaledName = new MarshaledString(Name);
-        return LLVM.BuildNUWNeg(this, V, marshaledName);
-    }
-
     public readonly LLVMValueRef BuildNUWSub(LLVMValueRef LHS, LLVMValueRef RHS, string Name = "") => BuildNUWSub(LHS, RHS, Name.AsSpan());
 
     public readonly LLVMValueRef BuildNUWSub(LLVMValueRef LHS, LLVMValueRef RHS, ReadOnlySpan<char> Name)

diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMContextRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMContextRef.cs
@@ -39,8 +39,6 @@ public unsafe partial struct LLVMContextRef(IntPtr handle) : IDisposable, IEquat
 
     public readonly LLVMTypeRef X86FP80Type => (Handle != IntPtr.Zero) ? LLVM.X86FP80TypeInContext(this) : default;
 
-    public readonly LLVMTypeRef X86MMXType => (Handle != IntPtr.Zero) ? LLVM.X86MMXTypeInContext(this) : default;
-
     public readonly LLVMTypeRef X86AMXType => (Handle != IntPtr.Zero) ? LLVM.X86AMXTypeInContext(this) : default;
 
     public static implicit operator LLVMContextRef(LLVMOpaqueContext* value) => new LLVMContextRef((IntPtr)value);

diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMDbgRecordRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMDbgRecordRef.cs
@@ -0,0 +1,26 @@
+// Copyright (c) .NET Foundation and Contributors. All Rights Reserved. Licensed under the MIT License (MIT). See License.md in the repository root for more information.
+
+using System;
+
+namespace LLVMSharp.Interop;
+
+public unsafe partial struct LLVMDbgRecordRef(IntPtr handle) : IEquatable<LLVMDbgRecordRef>
+{
+    public IntPtr Handle = handle;
+
+    public static implicit operator LLVMDbgRecordRef(LLVMOpaqueDbgRecord* Comdat) => new LLVMDbgRecordRef((IntPtr)Comdat);
+
+    public static implicit operator LLVMOpaqueDbgRecord*(LLVMDbgRecordRef Comdat) => (LLVMOpaqueDbgRecord*)Comdat.Handle;
+
+    public static bool operator ==(LLVMDbgRecordRef left, LLVMDbgRecordRef right) => left.Handle == right.Handle;
+
+    public static bool operator !=(LLVMDbgRecordRef left, LLVMDbgRecordRef right) => !(left == right);
+
+    public override readonly bool Equals(object? obj) => (obj is LLVMDbgRecordRef other) && Equals(other);
+
+    public readonly bool Equals(LLVMDbgRecordRef other) => this == other;
+
+    public override readonly int GetHashCode() => Handle.GetHashCode();
+
+    public override readonly string ToString() => $"{nameof(LLVMDbgRecordRef)}: {Handle:X}";
+}
diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMTypeRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMTypeRef.cs
@@ -36,8 +36,6 @@ public unsafe partial struct LLVMTypeRef(IntPtr handle) : IEquatable<LLVMTypeRef
 
     public static LLVMTypeRef X86FP80 => LLVM.X86FP80Type();
 
-    public static LLVMTypeRef X86MMX => LLVM.X86MMXType();
-
     public static LLVMTypeRef X86AMX => LLVM.X86AMXType();
 
     public readonly LLVMValueRef AlignOf => (Handle != IntPtr.Zero) ? LLVM.AlignOf(this) : default;

diff --git a/sources/LLVMSharp.Interop/Extensions/LLVMValueRef.cs b/sources/LLVMSharp.Interop/Extensions/LLVMValueRef.cs
@@ -738,8 +738,6 @@ public static LLVMValueRef CreateConstNamedStruct(LLVMTypeRef StructTy, ReadOnly
 
     public static LLVMValueRef CreateConstNUWMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) => LLVM.ConstNUWMul(LHSConstant, RHSConstant);
 
-    public static LLVMValueRef CreateConstNUWNeg(LLVMValueRef ConstantVal) => LLVM.ConstNUWNeg(ConstantVal);
-
     public static LLVMValueRef CreateConstNUWSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) => LLVM.ConstNUWSub(LHSConstant, RHSConstant);
 
     public static LLVMValueRef CreateConstPointerCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) => LLVM.ConstPointerCast(ConstantVal, ToType);
@@ -766,8 +764,6 @@ public static LLVMValueRef CreateConstRealOfStringAndSize(LLVMTypeRef RealTy, Re
         return LLVM.ConstRealOfStringAndSize(RealTy, marshaledText, (uint)marshaledText.Length);
     }
 
-    public static LLVMValueRef CreateConstShl(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) => LLVM.ConstShl(LHSConstant, RHSConstant);
-
     public static LLVMValueRef CreateConstShuffleVector(LLVMValueRef VectorAConstant, LLVMValueRef VectorBConstant, LLVMValueRef MaskConstant) => LLVM.ConstShuffleVector(VectorAConstant, VectorBConstant, MaskConstant);
 
     public static LLVMValueRef CreateConstStruct(LLVMValueRef[] ConstantVals, bool Packed) => CreateConstStruct(ConstantVals.AsSpan(), Packed);

diff --git a/sources/LLVMSharp.Interop/LLVM.cs b/sources/LLVMSharp.Interop/LLVM.cs
@@ -41,11 +41,11 @@ private static bool TryResolveLLVM(Assembly assembly, DllImportSearchPath? searc
     {
         if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
         {
-            return NativeLibrary.TryLoad("libLLVM.so.18", assembly, searchPath, out nativeLibrary)
-                || NativeLibrary.TryLoad("libLLVM-18", assembly, searchPath, out nativeLibrary)
+            return NativeLibrary.TryLoad("libLLVM.so.20", assembly, searchPath, out nativeLibrary)
+                || NativeLibrary.TryLoad("libLLVM-20", assembly, searchPath, out nativeLibrary)
                 || NativeLibrary.TryLoad("libLLVM.so.1", assembly, searchPath, out nativeLibrary);
         }
-        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
         {
             return NativeLibrary.TryLoad("LLVM-C.dll", assembly, searchPath, out nativeLibrary);
         }

diff --git a/sources/LLVMSharp.Interop/Manual/LLVMComdat.cs b/sources/LLVMSharp.Interop/Manual/LLVMComdat.cs
@@ -1,6 +1,6 @@
 // Copyright (c) .NET Foundation and Contributors. All Rights Reserved. Licensed under the MIT License (MIT). See License.md in the repository root for more information.
 
-// Ported from https://github.com/llvm/llvm-project/tree/llvmorg-18.1.3/llvm/include/llvm-c
+// Ported from https://github.com/llvm/llvm-project/tree/llvmorg-20.1.2/llvm/include/llvm-c
 // Original source is Copyright (c) the LLVM Project and Contributors. Licensed under the Apache License v2.0 with LLVM Exceptions. See NOTICE.txt in the project root for license information.
 
 namespace LLVMSharp.Interop;