[Relay][Frontend][TFLite] Add constant input support for elemwise ops #4666
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TFLite elementwise ops (like
ADD
,MUL
, etc.) only supportrhs_expr
is a constant value. Butlhs_expr
can also be a constant value.In fact, the other ops like
RESHAPE
can also have a constant value as input. But there are too many cases to be modified. We need more discuss forin_expr = self.get_expr(input_tensor_idx)
in every operator.