[Relax][Transform] Handle identical PrimFunc with distinct VDevice #16959
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Prior to this commit, if an `IRModule` contained two expressions, where the types of the arguments differed only by the `VDevice`, these would be legalized to produce a single PrimFunc. This PrimFunc would have the a `tvm::attr::kTarget` annotation specific to one of those expressions, and would be incorrect for use in the other location. This commit updates the `LegalizeOps` transform to handle this case, producing multiple TIR PrimFuncs if required by the `VDevice` annotations.
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masahi
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May 13, 2024
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Prior to this commit, if an
IRModulecontained two expressions, where the types of the arguments differed only by theVDevice, these would be legalized to produce a single PrimFunc. This PrimFunc would have the atvm::attr::kTargetannotation specific to one of those expressions, and would be incorrect for use in the other location.This commit updates the
LegalizeOpstransform to handle this case, producing multiple TIR PrimFuncs if required by theVDeviceannotations.