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df830bc120
`VJPCloner.h` is now tiny: `VJPCloner` exposes only a `bool run()` entry point. All of the implementation is moved to `VJPCloner::Implementation` in `VJPCloner.cpp`. Methods can be defined directly in `VJPCloner.cpp` without separate declarations.
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
//===--- PullbackCloner.h - Pullback function generation -----*- C++ -*----===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2019 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a helper class for generating pullback functions for
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// automatic differentiation.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SILOPTIMIZER_UTILS_DIFFERENTIATION_PULLBACKCLONER_H
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#define SWIFT_SILOPTIMIZER_UTILS_DIFFERENTIATION_PULLBACKCLONER_H
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namespace swift {
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namespace autodiff {
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class VJPCloner;
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/// A helper class for generating pullback functions.
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class PullbackCloner final {
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class Implementation;
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Implementation &impl;
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public:
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/// Creates a pullback cloner from a parent VJP cloner.
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///
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/// The parent VJP cloner stores the original function and an empty
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/// to-be-generated pullback function.
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explicit PullbackCloner(VJPCloner &vjpCloner);
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~PullbackCloner();
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/// Performs pullback generation on the empty pullback function. Returns true
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/// if any error occurs.
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bool run();
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};
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} // end namespace autodiff
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} // end namespace swift
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#endif // SWIFT_SILOPTIMIZER_UTILS_DIFFERENTIATION_PULLBACKCLONER_H
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