1 //===- ObjectTransformLayer.h - Run all objects through 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 objects passed in through a user supplied functor. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H 14 #define LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H 15 16 #include "llvm/ExecutionEngine/JITSymbol.h" 17 #include "llvm/ExecutionEngine/Orc/Layer.h" 18 #include <algorithm> 19 #include <memory> 20 21 namespace llvm { 22 namespace orc { 23 24 class ObjectTransformLayer 25 : public RTTIExtends<ObjectTransformLayer, ObjectLayer> { 26 public: 27 static char ID; 28 29 using TransformFunction = 30 std::function<Expected<std::unique_ptr<MemoryBuffer>>( 31 std::unique_ptr<MemoryBuffer>)>; 32 33 ObjectTransformLayer(ExecutionSession &ES, ObjectLayer &BaseLayer, 34 TransformFunction Transform = TransformFunction()); 35 36 void emit(std::unique_ptr<MaterializationResponsibility> R, 37 std::unique_ptr<MemoryBuffer> O) override; 38 39 void setTransform(TransformFunction Transform) { 40 this->Transform = std::move(Transform); 41 } 42 43 private: 44 ObjectLayer &BaseLayer; 45 TransformFunction Transform; 46 }; 47 48 } // end namespace orc 49 } // end namespace llvm 50 51 #endif // LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H 52