private static void EmitCompareNull(TracingILGenerator il, LocalBuilder value, Label targetIfNotNull)
{
if (value.LocalType == typeof(MessagePackObject))
{
il.EmitAnyLdloca(value);
il.EmitGetProperty(_MessagePackObject.IsNil);
il.EmitBrfalse_S(targetIfNotNull);
}
else if (value.LocalType.GetIsValueType())
{
Contract.Assert(Nullable.GetUnderlyingType(value.LocalType) != null, value.LocalType.FullName);
il.EmitAnyLdloca(value);
il.EmitGetProperty(value.LocalType.GetProperty("HasValue"));
il.EmitBrtrue_S(targetIfNotNull);
}
else
{
il.EmitAnyLdloc(value);
il.EmitLdnull();
il.EmitBne_Un_S(targetIfNotNull);
}
}