diff options
Diffstat (limited to 'lib/Transforms/Utils/CloneModule.cpp')
| -rw-r--r-- | lib/Transforms/Utils/CloneModule.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/CloneModule.cpp b/lib/Transforms/Utils/CloneModule.cpp index 7ebeb615d2481..4e9d67252d6c5 100644 --- a/lib/Transforms/Utils/CloneModule.cpp +++ b/lib/Transforms/Utils/CloneModule.cpp @@ -20,6 +20,15 @@ #include "llvm-c/Core.h" using namespace llvm; +static void copyComdat(GlobalObject *Dst, const GlobalObject *Src) { + const Comdat *SC = Src->getComdat(); + if (!SC) + return; + Comdat *DC = Dst->getParent()->getOrInsertComdat(SC->getName()); + DC->setSelectionKind(SC->getSelectionKind()); + Dst->setComdat(DC); +} + /// This is not as easy as it might seem because we have to worry about making /// copies of global variables and functions, and making their (initializers and /// references, respectively) refer to the right globals. @@ -124,6 +133,8 @@ std::unique_ptr<Module> llvm::CloneModule( I->getAllMetadata(MDs); for (auto MD : MDs) GV->addMetadata(MD.first, *MapMetadata(MD.second, VMap)); + + copyComdat(GV, &*I); } // Similarly, copy over function bodies now... @@ -153,6 +164,8 @@ std::unique_ptr<Module> llvm::CloneModule( if (I.hasPersonalityFn()) F->setPersonalityFn(MapValue(I.getPersonalityFn(), VMap)); + + copyComdat(F, &I); } // And aliases |