diff options
Diffstat (limited to 'lld/ELF/SymbolTable.cpp')
| -rw-r--r-- | lld/ELF/SymbolTable.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lld/ELF/SymbolTable.cpp b/lld/ELF/SymbolTable.cpp index 8e8d77f117f..0f3f02b870d 100644 --- a/lld/ELF/SymbolTable.cpp +++ b/lld/ELF/SymbolTable.cpp @@ -147,6 +147,13 @@ static void addBitcodeFile(IRMover &Mover, BitcodeFile &F, Mover.move(std::move(M), Keep, [](GlobalValue &, IRMover::ValueAdder) {}); } +static void saveBCFile(std::string Path, Module &M) { + std::error_code EC; + raw_fd_ostream OS(Path, EC, sys::fs::OpenFlags::F_None); + check(EC); + WriteBitcodeToFile(&M, OS, /* ShouldPreserveUseListOrder */ true); +} + // Merge all the bitcode files we have seen, codegen the result and return // the resulting ObjectFile. template <class ELFT> @@ -156,6 +163,8 @@ ObjectFile<ELFT> *SymbolTable<ELFT>::createCombinedLtoObject() { IRMover Mover(Combined); for (const std::unique_ptr<BitcodeFile> &F : BitcodeFiles) addBitcodeFile(Mover, *F, Context); + if (Config->SaveTemps) + saveBCFile(Config->OutputFile.str() + ".lto.bc", Combined); std::unique_ptr<InputFile> F = codegen(Combined); ObjectFiles.emplace_back(cast<ObjectFile<ELFT>>(F.release())); return &*ObjectFiles.back(); |
