Do not mutate GlobalVar's checked_type field. #2026
Merged
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Change the type checker to no longer mutate the checked_type field of
tvm::relay::GlobalVar
. The checked_type field is suppose to enable populating results of local analysis to the entire AST. The problem istvm::relay::GlobalVar
's are shared across the entire system, and duplicating or mutating them causes challenges.One example is demonstrated in attached test case.