Fix nameless parameter type output

Author: grendello

src/Xamarin.Android.Build.Tasks/Utilities/LlvmIrGenerator/LlvmIrFunction.cs

@@ -116,7 +116,11 @@ LlvmIrFunctionParameter EnsureParameterName (LlvmIrFunctionParameter parameter)
 					return parameter;
 				}
 
-				return new LlvmIrFunctionParameter (parameter.Type, GetNextSlotName ());
+				string name = GetNextSlotName ();
+				if (parameter.NativeFunction != null) {
+					return new LlvmIrFunctionParameter (parameter.NativeFunction, name, parameter.IsNativePointer, parameter.IsCplusPlusReference);
+				}
+				return new LlvmIrFunctionParameter (parameter.Type, name, parameter.IsNativePointer, parameter.IsCplusPlusReference);
 			}
 		}
 

src/Xamarin.Android.Build.Tasks/Utilities/LlvmIrGenerator/LlvmIrGenerator.Code.cs

@@ -46,7 +46,7 @@ public void WriteFunctionStart (LlvmIrFunction function)
 			WriteFunctionParameters (function.Parameters, writeNames: true);
 			Output.Write(") local_unnamed_addr ");
 			if (attributes != null) {
-				Output.Write ($"#{function.AttributeSetID} ");
+				Output.Write ($"#{function.AttributeSetID}");
 			}
 			Output.WriteLine ();
 			Output.WriteLine ("{");
@@ -366,7 +366,7 @@ public void EmitLabel (LlvmIrFunction function, string labelName)
 					Output.Write ($"{paramType} ");
 
 					if (argument.Value is LlvmIrFunctionLocalVariable variable) {
-						Output.Write ($" %{variable.Name}");
+						Output.Write ($"%{variable.Name}");
 					} else if (parameter.Type.IsNativePointer () || parameter.IsNativePointer) {
 						if (parameter.IsCplusPlusReference) {
 							Output.Write ("nonnull ");