Use a DenseMap instead of a std::map for AnalysisID -> Pass* maps. This reduces the pass-manager overhead from FPPassManager::runOnFunction() by about 10%.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176072 91177308-0d34-0410-b5e6-96231b3b80d8