| 1 | //===-- LinkInModulesPass.cpp - Module Linking pass --------------- 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 | /// \file |
| 9 | /// |
| 10 | /// LinkInModulesPass implementation. |
| 11 | /// |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "LinkInModulesPass.h" |
| 15 | #include "BackendConsumer.h" |
| 16 | |
| 17 | #include "clang/Basic/CodeGenOptions.h" |
| 18 | #include "clang/Basic/FileManager.h" |
| 19 | #include "clang/Basic/SourceManager.h" |
| 20 | |
| 21 | using namespace llvm; |
| 22 | |
| 23 | LinkInModulesPass::LinkInModulesPass(clang::BackendConsumer *BC, |
| 24 | bool ShouldLinkFiles) |
| 25 | : BC(BC), ShouldLinkFiles(ShouldLinkFiles) {} |
| 26 | |
| 27 | PreservedAnalyses LinkInModulesPass::run(Module &M, ModuleAnalysisManager &AM) { |
| 28 | if (!BC) |
| 29 | return PreservedAnalyses::all(); |
| 30 | |
| 31 | // Re-load bitcode modules from files |
| 32 | if (BC->ReloadModules(M: &M)) |
| 33 | report_fatal_error(reason: "Bitcode module re-loading failed, aborted!"); |
| 34 | |
| 35 | if (BC->LinkInModules(M: &M, ShouldLinkFiles)) |
| 36 | report_fatal_error(reason: "Bitcode module re-linking failed, aborted!"); |
| 37 | |
| 38 | return PreservedAnalyses::all(); |
| 39 | } |
| 40 |