| 1 | //===- IRTransformLayer.h - Run all IR through a functor --------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // Run all IR passed in through a user supplied functor. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #ifndef LLVM_EXECUTIONENGINE_ORC_IRTRANSFORMLAYER_H |
| 14 | #define LLVM_EXECUTIONENGINE_ORC_IRTRANSFORMLAYER_H |
| 15 | |
| 16 | #include "llvm/ADT/FunctionExtras.h" |
| 17 | #include "llvm/ExecutionEngine/JITSymbol.h" |
| 18 | #include "llvm/ExecutionEngine/Orc/Layer.h" |
| 19 | #include <memory> |
| 20 | |
| 21 | namespace llvm { |
| 22 | namespace orc { |
| 23 | |
| 24 | /// A layer that applies a transform to emitted modules. |
| 25 | /// The transform function is responsible for locking the ThreadSafeContext |
| 26 | /// before operating on the module. |
| 27 | class IRTransformLayer : public IRLayer { |
| 28 | public: |
| 29 | using TransformFunction = unique_function<Expected<ThreadSafeModule>( |
| 30 | ThreadSafeModule, MaterializationResponsibility &R)>; |
| 31 | |
| 32 | IRTransformLayer(ExecutionSession &ES, IRLayer &BaseLayer, |
| 33 | TransformFunction Transform = identityTransform); |
| 34 | |
| 35 | void setTransform(TransformFunction Transform) { |
| 36 | this->Transform = std::move(Transform); |
| 37 | } |
| 38 | |
| 39 | void emit(std::unique_ptr<MaterializationResponsibility> R, |
| 40 | ThreadSafeModule TSM) override; |
| 41 | |
| 42 | static ThreadSafeModule identityTransform(ThreadSafeModule TSM, |
| 43 | MaterializationResponsibility &R) { |
| 44 | return TSM; |
| 45 | } |
| 46 | |
| 47 | private: |
| 48 | IRLayer &BaseLayer; |
| 49 | TransformFunction Transform; |
| 50 | }; |
| 51 | |
| 52 | } // end namespace orc |
| 53 | } // end namespace llvm |
| 54 | |
| 55 | #endif // LLVM_EXECUTIONENGINE_ORC_IRTRANSFORMLAYER_H |
| 56 |