[PIM][BYOC] How to make generated C modules aware of a global member in Custom Codegen

[dilan]

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Add new backend to TVM

Hi all, we design an NPU for our SOC which is not like VTA, how should we do to run TVM on this AI core? this NPU has its own ISA, but we have not yet implemented any LLVM backend for it. anyone can give the suggestion(guide) that the main steps(tasks) to enable TVM running on the chip? Thanks for any reply!