LLVMContext &Context = loopHeader->getContext();
- // Probably we reach the quota of branches for this loop. If so
- // stop unswitching.
+ // Analyze loop cost, and stop unswitching if loop content can not be duplicated.
if (!BranchesInfo.countLoop(
currentLoop, getAnalysis<TargetTransformInfoWrapperPass>().getTTI(
*currentLoop->getHeader()->getParent()),