| 49 | } |
| 50 | |
| 51 | SmallVector<bool> Subgraph::gen_output_mask() { |
| 52 | std::unordered_set<size_t> invalid_outputs = {outputs.begin(), outputs.end()}; |
| 53 | for (auto&& input : inputs) { |
| 54 | invalid_outputs.erase(input); |
| 55 | } |
| 56 | for (auto&& expr : exprs) { |
| 57 | for (auto&& output : expr.outputs) { |
| 58 | invalid_outputs.erase(output); |
| 59 | } |
| 60 | } |
| 61 | for (auto&& constant : constants) { |
| 62 | invalid_outputs.erase(constant.first); |
| 63 | } |
| 64 | invalid_outputs.insert(0); |
| 65 | SmallVector<bool> mask(outputs.size(), true); |
| 66 | for (size_t i = 0; i < outputs.size(); ++i) { |
| 67 | if (invalid_outputs.count(outputs[i])) { |
| 68 | mask[i] = false; |
| 69 | } |
| 70 | } |
| 71 | return mask; |
| 72 | } |
| 73 | |
| 74 | void Subgraph::replace_vars(const std::unordered_map<size_t, size_t>& replace_map) { |
| 75 | // FIXME: preprocess replace_map |