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#pragma once
#include <torch/csrc/Export.h>
#include <torch/csrc/jit/ir/ir.h>
#include <memory>
namespace torch {
namespace jit {
struct Graph;
struct propagation_error : std::exception {};
class PropertyPropBase {
// Used for both Shape Propagation and Dtype/Device Propagation
public:
explicit PropertyPropBase(std::shared_ptr<Graph> graph)
: graph_(std::move(graph)) {}
virtual ~PropertyPropBase() = default;
void propagateBlock(Block* block, bool insert_expands = true);
// insert_expands is used for shape inference
void processIf(Node* node);
void processLoop(Node* node);
protected:
virtual void propagateNode(Node* node, bool insert_expands = true) = 0;
void setUnshapedType(Value* o);
void setUnshapedType(Node* node);
std::shared_ptr<Graph> graph_;
};
TORCH_API void EraseShapeInformation(const std::shared_ptr<Graph>& graph);
TORCH_API void PropagateInputShapes(const std::shared_ptr<Graph>& graph);
TORCH_API bool mergeTypes(
ArrayRef<Value*> lhs,
ArrayRef<Value*> rhs,
ArrayRef<Value*> outputs);
} // namespace jit
} // namespace torch
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