diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/Utils/CloneModule.cpp')
| -rw-r--r-- | contrib/llvm/lib/Transforms/Utils/CloneModule.cpp | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp b/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp index 7ebeb61..e5392b5 100644 --- a/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp +++ b/contrib/llvm/lib/Transforms/Utils/CloneModule.cpp @@ -12,14 +12,23 @@ // //===----------------------------------------------------------------------===// -#include "llvm/Transforms/Utils/Cloning.h" +#include "llvm-c/Core.h" #include "llvm/IR/Constant.h" #include "llvm/IR/DerivedTypes.h" #include "llvm/IR/Module.h" +#include "llvm/Transforms/Utils/Cloning.h" #include "llvm/Transforms/Utils/ValueMapper.h" -#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. @@ -87,7 +96,7 @@ std::unique_ptr<Module> llvm::CloneModule( else GV = new GlobalVariable( *New, I->getValueType(), false, GlobalValue::ExternalLinkage, - (Constant *)nullptr, I->getName(), (GlobalVariable *)nullptr, + nullptr, I->getName(), nullptr, I->getThreadLocalMode(), I->getType()->getAddressSpace()); VMap[&*I] = GV; // We do not copy attributes (mainly because copying between different @@ -123,7 +132,10 @@ std::unique_ptr<Module> llvm::CloneModule( SmallVector<std::pair<unsigned, MDNode *>, 1> MDs; I->getAllMetadata(MDs); for (auto MD : MDs) - GV->addMetadata(MD.first, *MapMetadata(MD.second, VMap)); + GV->addMetadata(MD.first, + *MapMetadata(MD.second, VMap, RF_MoveDistinctMDs)); + + copyComdat(GV, &*I); } // Similarly, copy over function bodies now... @@ -153,6 +165,8 @@ std::unique_ptr<Module> llvm::CloneModule( if (I.hasPersonalityFn()) F->setPersonalityFn(MapValue(I.getPersonalityFn(), VMap)); + + copyComdat(F, &I); } // And aliases |
