xref: /freebsd/contrib/llvm-project/clang/lib/CodeGen/LinkInModulesPass.cpp (revision b64c5a0ace59af62eff52bfe110a521dc73c937b)
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) : BC(BC) {}
24 
25 PreservedAnalyses LinkInModulesPass::run(Module &M, ModuleAnalysisManager &AM) {
26   if (!BC)
27     return PreservedAnalyses::all();
28 
29   if (BC->LinkInModules(&M))
30     report_fatal_error("Bitcode module postopt linking failed, aborted!");
31 
32   return PreservedAnalyses::none();
33 }
34