#pragma once
|
|
#include <torch/csrc/jit/ir.h>
|
#include <torch/csrc/WindowsTorchApiMacro.h>
|
|
namespace torch {
|
namespace jit {
|
|
// Utilities for dealing with nodes that contain subgraphs.
|
//
|
// They handle the complexity of editing inputs/outputs as you merge nodes in
|
// and out of subgraphs.
|
namespace SubgraphUtils {
|
|
// Create a new subgraph node that contains only `n`. The new subgraph will have
|
// `subgraphKind` as its type.
|
//
|
// `n` is destroyed.
|
//
|
// Returns the new subgraph node.
|
TORCH_API Node* createSingletonSubgraph(Node* n, Symbol subgraphKind);
|
|
// Merge a node into a subgraph node. If `toMerge` is also a subgraph, the
|
// subgraphs are merged.
|
// `toMerge` is destroyed.
|
TORCH_API void mergeNodeIntoSubgraph(Node* toMerge, Node* subgraphNode);
|
|
// Move nodes from a subgraph node to the outer graph.
|
// `subgraphNode` is destroyed.
|
TORCH_API void unmergeSubgraph(Node* subgraphNode);
|
|
// Convenience function
|
std::shared_ptr<Graph> getSubgraph(Node* n);
|
|
} // namespace SubgraphUtils
|
} // namespace jit
|
} // namespace torch
|
