[AMDGPU] Test codegen'ing True16 additions.
[llvm-project.git] / llvm / lib / Transforms / IPO / EmbedBitcodePass.cpp
blobfa56a5b564ae668f5ab87f2bee6e78c3c5053158
1 //===- EmbedBitcodePass.cpp - Pass that embeds the bitcode into a global---===//
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 //===----------------------------------------------------------------------===//
9 #include "llvm/Transforms/IPO/EmbedBitcodePass.h"
10 #include "llvm/Bitcode/BitcodeWriter.h"
11 #include "llvm/Bitcode/BitcodeWriterPass.h"
12 #include "llvm/IR/PassManager.h"
13 #include "llvm/Pass.h"
14 #include "llvm/Support/ErrorHandling.h"
15 #include "llvm/Support/MemoryBufferRef.h"
16 #include "llvm/Support/raw_ostream.h"
17 #include "llvm/TargetParser/Triple.h"
18 #include "llvm/Transforms/IPO/ThinLTOBitcodeWriter.h"
19 #include "llvm/Transforms/Utils/Cloning.h"
20 #include "llvm/Transforms/Utils/ModuleUtils.h"
22 #include <memory>
23 #include <string>
25 using namespace llvm;
27 PreservedAnalyses EmbedBitcodePass::run(Module &M, ModuleAnalysisManager &AM) {
28 if (M.getGlobalVariable("llvm.embedded.module", /*AllowInternal=*/true))
29 report_fatal_error("Can only embed the module once",
30 /*gen_crash_diag=*/false);
32 Triple T(M.getTargetTriple());
33 if (T.getObjectFormat() != Triple::ELF)
34 report_fatal_error(
35 "EmbedBitcode pass currently only supports ELF object format",
36 /*gen_crash_diag=*/false);
38 std::unique_ptr<Module> NewModule = CloneModule(M);
39 MPM.run(*NewModule, AM);
41 std::string Data;
42 raw_string_ostream OS(Data);
43 if (IsThinLTO)
44 ThinLTOBitcodeWriterPass(OS, /*ThinLinkOS=*/nullptr).run(*NewModule, AM);
45 else
46 BitcodeWriterPass(OS, /*ShouldPreserveUseListOrder=*/false, EmitLTOSummary)
47 .run(*NewModule, AM);
49 embedBufferInModule(M, MemoryBufferRef(Data, "ModuleData"), ".llvm.lto");
51 return PreservedAnalyses::all();