[GitHub] [tvm] areusch commented on a change in pull request #7902: [FIX,VM] Fix get_outputs on the vm with a single output

[GitBox <gi...@apache.org>]

areusch commented on a change in pull request #7902:
URL: https://github.com/apache/tvm/pull/7902#discussion_r619499432



##########
File path: src/runtime/vm/vm.cc
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@@ -142,11 +142,21 @@ PackedFunc VirtualMachine::GetFunction(const std::string& name,
     });
   } else if (name == "get_output") {
     return TypedPackedFunc<NDArray(int64_t)>([this](int64_t index) {
-      return Downcast<NDArray>(Downcast<ADT>(this->return_register_)[index]);
+      if (this->return_register_.as<ADTObj>()) {
+        return Downcast<NDArray>(Downcast<ADT>(this->return_register_)[index]);
+      } else {
+        return Downcast<NDArray>(this->return_register_);

Review comment:
       should we assert `index == 0` or enforce some interface to make sure ppl don't think they are reading a tuple when they are not?




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