[tests] enable .NET 7 LLVM tests without Profiled AOT

build-tools/automation/azure-pipelines.yaml

@@ -691,8 +691,6 @@ stages:
 
     - template: yaml-templates/apk-instrumentation.yaml
       parameters:
-        # TODO: disable LLVM test, see: https://github.com/dotnet/runtime/issues/68914
-        condition: false
         configuration: $(XA.Build.Configuration)
         testName: Mono.Android.NET_Tests-AotLlvm
         project: tests/Mono.Android-Tests/Runtime-Microsoft.Android.Sdk/Mono.Android.NET-Tests.csproj

src/Mono.Android/Android.App/Application.cs

@@ -7,6 +7,8 @@
 namespace Android.App {
 
 	partial class Application {
+		// NOTE: an explicit .cctor solves startup ordering with JNIEnv.Initialize()
+		static Application () { }
 
 		static Context? _context;
 		public static Context Context {

src/Xamarin.Android.Build.Tasks/Tasks/GetAotAssemblies.cs

@@ -68,6 +68,10 @@ public override Task RunTaskAsync ()
 				} else {
 					assembly.SetMetadata ("AotArguments", $"asmwriter,temp-path={temp}{aotProfiles}");
 				}
+				// NOTE: always disable simd when using LLVM
+				if (EnableLLVM) {
+					assembly.SetMetadata ("ProcessArguments", "-O=-simd");
+				}
 			}
 
 			return Task.CompletedTask;

src/profiled-aot/CommonMethods.cs

@@ -4,12 +4,15 @@
 // int.Parse(), int.ToString()
 // Culture-aware string comparisons
 // ResourceManager
+// System.Reflection
 // System.Threading.Tasks.Task
 // System.Net.Http.HttpClient
 
 // Opt out of this warning, because we actually *want* culture-aware string behavior in the AOT profile
 #pragma warning disable CA1310
 
+using System.Reflection;
+
 static class CommonMethods
 {
     // Returns '200 OK' if the caller wants to set that on the UI
@@ -26,6 +29,10 @@ public static async Task<string> Invoke()
 
         string someString = AndroidProfiledAot.Resources.Strings.SomeString;
 
+        var type = typeof (CommonMethods);
+        var method = type.GetMethod (nameof (FromReflection), BindingFlags.NonPublic | BindingFlags.Static);
+        method!.Invoke (null, null);
+
         using var client = new HttpClient();
         var send = client.SendAsync (new HttpRequestMessage (HttpMethod.Get, url));
         var getstring = client.GetStringAsync (url);
@@ -34,6 +41,8 @@ public static async Task<string> Invoke()
 
         return text;
     }
+
+    static void FromReflection () { }
 }
 
 #pragma warning restore CA1310

src/profiled-aot/android/MainActivity.cs

@@ -3,13 +3,13 @@ namespace android;
 [Activity(Label = "@string/app_name", MainLauncher = true)]
 public class MainActivity : Activity
 {
-    protected override void OnCreate(Bundle? savedInstanceState)
+    protected async override void OnCreate(Bundle? savedInstanceState)
     {
         base.OnCreate(savedInstanceState);
 
-        _ = CommonMethods.Invoke();
-
         // Set our view from the "main" layout resource
         SetContentView(Resource.Layout.activity_main);
+
+        await CommonMethods.Invoke();
     }
 }