diff options
Diffstat (limited to 'llvm/lib/LTO/LTOBackend.cpp')
| -rw-r--r-- | llvm/lib/LTO/LTOBackend.cpp | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/llvm/lib/LTO/LTOBackend.cpp b/llvm/lib/LTO/LTOBackend.cpp index c9d842147f8..49c0c2e15b3 100644 --- a/llvm/lib/LTO/LTOBackend.cpp +++ b/llvm/lib/LTO/LTOBackend.cpp @@ -401,18 +401,14 @@ Error lto::backend(Config &C, AddStreamFn AddStream, static void dropDeadSymbols(Module &Mod, const GVSummaryMapTy &DefinedGlobals, const ModuleSummaryIndex &Index) { - auto MaybeDrop = [&](GlobalValue &GV) { + std::vector<GlobalValue *> ReplacedGlobals; + for (auto &GV : Mod.global_values()) if (GlobalValueSummary *GVS = DefinedGlobals.lookup(GV.getGUID())) - if (!Index.isGlobalValueLive(GVS)) - convertToDeclaration(GV); - }; + if (!Index.isGlobalValueLive(GVS) && !convertToDeclaration(GV)) + ReplacedGlobals.push_back(&GV); - // Process functions and global now. - // FIXME: add support for aliases (needs support in convertToDeclaration). - for (auto &GV : Mod) - MaybeDrop(GV); - for (auto &GV : Mod.globals()) - MaybeDrop(GV); + for (GlobalValue *GV : ReplacedGlobals) + GV->eraseFromParent(); } Error lto::thinBackend(Config &Conf, unsigned Task, AddStreamFn AddStream, |
