diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/CloneFunction.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/CloneFunction.cpp | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/llvm/lib/Transforms/Utils/CloneFunction.cpp b/llvm/lib/Transforms/Utils/CloneFunction.cpp index 6dc5f60..8b30700 100644 --- a/llvm/lib/Transforms/Utils/CloneFunction.cpp +++ b/llvm/lib/Transforms/Utils/CloneFunction.cpp @@ -200,6 +200,19 @@ bool llvm::BuildDebugInfoMDMap(DenseMap<const Metadata *, TrackingMDRef> &MD, return ModuleLevelChanges; } +void llvm::CloneFunctionMetadataInto(Function &NewFunc, const Function &OldFunc, + ValueToValueMapTy &VMap, + RemapFlags RemapFlag, + ValueMapTypeRemapper *TypeMapper, + ValueMaterializer *Materializer) { + SmallVector<std::pair<unsigned, MDNode *>, 1> MDs; + OldFunc.getAllMetadata(MDs); + for (auto MD : MDs) { + NewFunc.addMetadata(MD.first, *MapMetadata(MD.second, VMap, RemapFlag, + TypeMapper, Materializer)); + } +} + // Clone OldFunc into NewFunc, transforming the old arguments into references to // VMap values. void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc, @@ -262,15 +275,9 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc, BuildDebugInfoMDMap(VMap.MD(), Changes, DIFinder, SPClonedWithinModule); const auto RemapFlag = ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges; - // Duplicate the metadata that is attached to the cloned function. - // Subprograms/CUs/types that were already mapped to themselves won't be - // duplicated. - SmallVector<std::pair<unsigned, MDNode *>, 1> MDs; - OldFunc->getAllMetadata(MDs); - for (auto MD : MDs) { - NewFunc->addMetadata(MD.first, *MapMetadata(MD.second, VMap, RemapFlag, - TypeMapper, Materializer)); - } + + CloneFunctionMetadataInto(*NewFunc, *OldFunc, VMap, RemapFlag, TypeMapper, + Materializer); // Loop over all of the basic blocks in the function, cloning them as // appropriate. Note that we save BE this way in order to handle cloning of |