Function REG

src/gopt/impl/basic_arith/inplace.cpp:178–183

a ** 0 => 1, a ** 1 => a

    // a ** 0 => 1, a ** 1 => a
    REG(EXP) {
        if (is_const_value(inp[0], 0)) {
            return inp[0].fill_retain_dtype(1);
        }
        return {};
    };
    REG(POW) {
        auto a = inp[0];
        auto exp = inp[1].as_immutable_scalar();