1 //===---------- ObjectTransformLayer.cpp - Object Transform Layer ---------===// 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 #include "llvm/ExecutionEngine/Orc/ObjectTransformLayer.h" 10 #include "llvm/Support/MemoryBuffer.h" 11 12 namespace llvm { 13 namespace orc { 14 15 char ObjectTransformLayer::ID; 16 17 using BaseT = RTTIExtends<ObjectTransformLayer, ObjectLayer>; 18 19 ObjectTransformLayer::ObjectTransformLayer(ExecutionSession &ES, 20 ObjectLayer &BaseLayer, 21 TransformFunction Transform) 22 : BaseT(ES), BaseLayer(BaseLayer), Transform(std::move(Transform)) {} 23 24 void ObjectTransformLayer::emit( 25 std::unique_ptr<MaterializationResponsibility> R, 26 std::unique_ptr<MemoryBuffer> O) { 27 assert(O && "Module must not be null"); 28 29 // If there is a transform set then apply it. 30 if (Transform) { 31 if (auto TransformedObj = Transform(std::move(O))) 32 O = std::move(*TransformedObj); 33 else { 34 R->failMaterialization(); 35 getExecutionSession().reportError(TransformedObj.takeError()); 36 return; 37 } 38 } 39 40 BaseLayer.emit(std::move(R), std::move(O)); 41 } 42 43 } // End namespace orc. 44 } // End namespace llvm. 45