diff options
Diffstat (limited to 'llvm/lib/LTO/LTO.cpp')
| -rw-r--r-- | llvm/lib/LTO/LTO.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp index f736ef8b7f9..3a955060dea 100644 --- a/llvm/lib/LTO/LTO.cpp +++ b/llvm/lib/LTO/LTO.cpp @@ -546,6 +546,15 @@ Error LTO::addModule(InputFile &Input, unsigned ModI, if (!LTOInfo) return LTOInfo.takeError(); + if (EnableSplitLTOUnit.hasValue()) { + // If only some modules were split, flag this in the index so that + // we can skip or error on optimizations that need consistently split + // modules (whole program devirt and lower type tests). + if (EnableSplitLTOUnit.getValue() != LTOInfo->EnableSplitLTOUnit) + ThinLTO.CombinedIndex.setPartiallySplitLTOUnits(); + } else + EnableSplitLTOUnit = LTOInfo->EnableSplitLTOUnit; + BitcodeModule BM = Input.Mods[ModI]; auto ModSyms = Input.module_symbols(ModI); addModuleToGlobalRes(ModSyms, {ResI, ResE}, |
