Method ConstantPropagation

source/python.js:7441–7479

(...args)

                return no_mutation && !n.kind().startsWith('onnx::') && !torch._C.skip_list.has(n.kind()) && !n.isNondeterministic() && !n.hasSideEffects() && n.blocks().length === 0;
            }
            ConstantPropagation(...args) {
                if (args[0] instanceof torch.Graph) {
                    throw new python.Error('Not implemented.');
                } else if (args[0] instanceof torch.Block) {
                    const [block] = args;
                    for (const n of block.nodes()) {
                        this.ConstantPropagation(n);
                    }
                } else if (args[0] instanceof torch.Node) {
                    const [n] = args;
                    const constant_inputs = n.inputs().every((v) => v.node().kind() === 'prim::Constant');
                    if (n.kind() === 'prim::If') {
                        if (constant_inputs) {
                            this.inlineIf(n);
                        } else {
                            this.ConstantPropagation(n.blocks());
                            this.removeExtraIfOutputs(n);
                        }
                    } else if (n.kind() === 'prim::Loop') {
                        if (this.loopWillNotRun(n)) {
                            this.removeLoopNode(n);
                        } else {
                            this.ConstantPropagation(n.blocks());
                            this.removeExtraLoopOutputs(n);
                        }
                    } else if (constant_inputs && this.supportedNode(n)) {
                        this.propagateNode(n);
                    } else {
                        this.ConstantPropagation(n.blocks()); // not implemented
                    }
                } else if (args.length === 1 && Array.isArray(args[0]) && args[0].every((b) => b instanceof torch.Block)) {
                    const [blocks] = args;
                    for (const block of blocks) {
                        this.ConstantPropagation(block);
                    }
                } else {
                    throw new python.Error('Not implemented.');
                }
            }
        });
        this.registerFunction('torch._C.ConstantPropagationImmutableTypes', (graph) => {
            const cp = torch._C.ConstantPropagator.NoAliasDb(graph);