Method emit

src/gopt/impl/global_layout_transform/reformat_emitter.cpp:68–100

=================== MakeShapeEmitter ====================*/

// =================== MakeShapeEmitter ====================*/
MakeShapeEmitter::EmitResult MakeShapeEmitter::emit() const {
    auto pattern = mixin_analyze();
    auto builder = [pattern](const VarNodeArray& input) {
        mgb_assert(
                input.size() == 1,
                "number of input of MakeShapeBuilder should be 1(got:%zu)",
                input.size());
        auto sym_var = SymbolVar(input.front());
        auto shp = opr::GetVarShape::make(sym_var);
        auto cv = [&sym_var](int c) { return sym_var.make_scalar(c); };
        auto sub = [&shp, &cv](int ax) {
            return opr::IndexAt::make(shp, {{0, cv(ax)}});
        };
        SymbolVarArray axs;
        for (auto&& i : pattern) {
            int axis, factor;
            bool mul;
            std::tie(axis, factor, mul) = i;
            if (axis >= 0) {
                if (mul)
                    axs.emplace_back(sub(axis) * factor);
                else
                    axs.emplace_back(sub(axis) / factor);
            } else {
                axs.emplace_back(cv(factor));
            }
        }
        auto tshp = opr::Concat::make(axs, 0);
        return tshp.node();
    };
    auto checker = mixin_emit_checker(pattern);
    return std::make_tuple(builder, checker);
}

// =================== ReshapeEmitter ====================*/
ReshapeEmitter::EmitResult ReshapeEmitter::emit() const {