Implement name inference for addmv, addmv_, mv (#24471)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/24471
mv(Tensor[M, N], Tensor[O]) ignores the names of N and O and returns a
tensor with names [M].
Test Plan: - new tests [namedtensor ci]
Differential Revision: D16915805
Pulled By: zou3519
fbshipit-source-id: d7d47903f249f85ef3be8a188d51993834bf5f55
