if (It != RegionCounters.end())
return It->second;
- // Move the name variable to the right section.
+ // Move the name variable to the right section. Make sure it is placed in the
+ // same comdat as its associated function. Otherwise, we may get multiple
+ // counters for the same function in certain cases.
+ Function *Fn = Inc->getParent()->getParent();
Name->setSection(getNameSection());
Name->setAlignment(1);
+ Name->setComdat(Fn->getComdat());
uint64_t NumCounters = Inc->getNumCounters()->getZExtValue();
LLVMContext &Ctx = M->getContext();
ArrayType *CounterTy = ArrayType::get(Type::getInt64Ty(Ctx), NumCounters);
- Function *Fn = Inc->getParent()->getParent();
// Create the counters variable.
auto *Counters = new GlobalVariable(*M, CounterTy, false, Name->getLinkage(),
Counters->setVisibility(Name->getVisibility());
Counters->setSection(getCountersSection());
Counters->setAlignment(8);
- // Place the counters in the same comdat section as its parent function.
- // Otherwise, we may get multiple counters for the same function in certain
- // cases.
Counters->setComdat(Fn->getComdat());
RegionCounters[Inc->getName()] = Counters;