diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp index f8b311be7ec..02938710fac 100644 --- a/lib/VMCore/PassManager.cpp +++ b/lib/VMCore/PassManager.cpp @@ -377,6 +377,11 @@ void PMTopLevelManager::schedulePass(Pass *P) { // TODO : Allocate function manager for this pass, other wise required set // may be inserted into previous function manager + // If this Analysis is already requested by one of the previous pass + // and it is still available then do not insert new pass in the queue again. + if (findAnalysisPass(P->getPassInfo())) + return; + AnalysisUsage AnUsage; P->getAnalysisUsage(AnUsage); const std::vector &RequiredSet = AnUsage.getRequiredSet();