FrozenGene commented on issue #4847: Return empty CSourceModule when no lowered_funcs exists in Relay mod URL: https://github.com/apache/incubator-tvm/pull/4847#issuecomment-602022364 > Hi @FrozenGene > > Thanks for your explanation. I do have a question about this part, hope you won't mind: > > 1. Before this PR, we replace `ret_.mod` with `ext_mods[0]` when there is no `lowered_funcs`, which is sensible since no `ret_.mod` is available when `lowered_funcs` does not exist. > 2. Now we will always create a `ret_.mod`. What would the logic be if there is only one external module (the condition for `ret_.mod` replacement)? Should we do replacement or import? > > Also @trevor-m would you mind sending me a minimal workable example? I would like to do the tracing myself as well. > > Thanks I think we should be `ret_.mod` replacement as previous pr. @zhiics do the external codegen part. He could answer it more authority. @zhiics Could you help to answer this question?
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