If user wants to run instcombine twice, do not block it.

llvm-svn: 37301

llvm/lib/VMCore/PassManager.cpp

@@ -419,11 +419,6 @@ 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;
-
   // Give pass a chance to prepare the stage.
   P->preparePassManager(activeStack);