Method sweep

source/python.js:6896–6910

(block, recurse)

                return false;
            }
            sweep(block, recurse) {
                const nodes = Array.from(block.nodes()).reverse();
                for (const node of nodes) {
                    this.removeDeadBlockOutputs(node);
                    this.removeDeadLoopOutputs(node);
                    if (recurse) {
                        for (const block of node.blocks()) {
                            this.sweep(block, true);
                        }
                    }
                    if (!this._marked.has(node) && !node.hasUses()) {
                        node.destroy();
                    }
                }
            }
            hasUntrackedMutation(node) {
                if (!this._useAliasDb) {
                    if (node.kind() === 'prim::SetAttr') {