public void IsARM64CallingConvention()
{
IgnoreIfNotLinkAll();
#if __WATCHOS__
if (!Runtime.IsARM64CallingConvention && Runtime.Arch == Arch.DEVICE)
{
Assert.Ignore("Can't inline when running on armv7k.");
}
#endif
#if DEBUG // Release builds will strip IL, so any IL checking has to be done in debug builds.
MethodInfo method;
IEnumerable <ILInstruction> instructions;
IEnumerable <ILInstruction> call_instructions;
method = typeof(BaseOptimizeGeneratedCodeTest).GetMethod(nameof(GetIsARM64CallingConventionOptimized), BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Public | BindingFlags.Static);
instructions = new ILReader(method);
call_instructions = instructions.Where((v) => v.OpCode.Name == "ldsfld");
Assert.AreEqual(0, call_instructions.Count(), "optimized: no ldsfld instruction");
method = typeof(BaseOptimizeGeneratedCodeTest).GetMethod(nameof(GetIsARM64CallingConventionNotOptimized), BindingFlags.NonPublic | BindingFlags.Instance);
instructions = new ILReader(method);
call_instructions = instructions.Where((v) => v.OpCode.Name == "ldsfld");
Assert.AreEqual(1, call_instructions.Count(), "not optimized: 1 ldsfld instruction");
method = typeof(Runtime).GetMethod("GetIsARM64CallingConvention", BindingFlags.Static | BindingFlags.NonPublic);
instructions = new ILReader(method);
Assert.AreEqual(2, instructions.Count(), "IL Count");
Assert.That(instructions.Skip(0).First().OpCode, Is.EqualTo(OpCodes.Ldc_I4_0).Or.EqualTo(OpCodes.Ldc_I4_1), "IL 1");
Assert.That(instructions.Skip(1).First().OpCode, Is.EqualTo(OpCodes.Ret), "IL 2");
#endif
Assert.AreEqual(Runtime.IsARM64CallingConvention, GetIsARM64CallingConventionOptimized(), "Value optimized");
Assert.AreEqual(Runtime.IsARM64CallingConvention, GetIsARM64CallingConventionNotOptimized(), "Value unoptimized");
}
