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 ObjectTransformLayer::ObjectTransformLayer(ExecutionSession &ES, 16 ObjectLayer &BaseLayer, 17 TransformFunction Transform) 18 : ObjectLayer(ES), BaseLayer(BaseLayer), Transform(std::move(Transform)) {} 19 20 void ObjectTransformLayer::emit(MaterializationResponsibility R, 21 std::unique_ptr<MemoryBuffer> O) { 22 assert(O && "Module must not be null"); 23 24 // If there is a transform set then apply it. 25 if (Transform) { 26 if (auto TransformedObj = Transform(std::move(O))) 27 O = std::move(*TransformedObj); 28 else { 29 R.failMaterialization(); 30 getExecutionSession().reportError(TransformedObj.takeError()); 31 return; 32 } 33 } 34 35 BaseLayer.emit(std::move(R), std::move(O)); 36 } 37 38 } // End namespace orc. 39 } // End namespace llvm. 40