zhiics commented on a change in pull request #5310: [BYOC] Enhance partitioning
and external codegen
URL: https://github.com/apache/incubator-tvm/pull/5310#discussion_r407126384
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File path: src/relay/backend/contrib/codegen_c/codegen.cc
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@@ -40,35 +40,44 @@ using namespace backend;
* purpose. Only several binary options are covered. Users
* may need to extend them to cover more operators.
*/
-class CodegenC : public ExprVisitor, public CodegenCBase {
+class CodegenC : public relay::ExprFunctor<std::vector<Output>(const Expr&)>,
Review comment:
I think its' better to keep vector. We flatten tuple and may need to have
multiple return values. No need to refactor in that case.
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