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
ObjectTransformLayer(ExecutionSession & ES,ObjectLayer & BaseLayer,TransformFunction Transform)15 ObjectTransformLayer::ObjectTransformLayer(ExecutionSession &ES,
16 ObjectLayer &BaseLayer,
17 TransformFunction Transform)
18 : ObjectLayer(ES), BaseLayer(BaseLayer), Transform(std::move(Transform)) {}
19
emit(std::unique_ptr<MaterializationResponsibility> R,std::unique_ptr<MemoryBuffer> O)20 void ObjectTransformLayer::emit(
21 std::unique_ptr<MaterializationResponsibility> R,
22 std::unique_ptr<MemoryBuffer> O) {
23 assert(O && "Module must not be null");
24
25 // If there is a transform set then apply it.
26 if (Transform) {
27 if (auto TransformedObj = Transform(std::move(O)))
28 O = std::move(*TransformedObj);
29 else {
30 R->failMaterialization();
31 getExecutionSession().reportError(TransformedObj.takeError());
32 return;
33 }
34 }
35
36 BaseLayer.emit(std::move(R), std::move(O));
37 }
38
39 } // End namespace orc.
40 } // End namespace llvm.
41