tree 25e66d611d2f0a0c6fc6428e5c7adeb33449c585
parent b892d7010f9c2c61e2f3a2686546cbfbffbedef3
author Douglas Gregor <dgregor@apple.com> 1358798832 +0000
committer Douglas Gregor <dgregor@apple.com> 1358798832 +0000

Give ModuleFiles an index, so that we can use indexed vectors rather
than DenseMaps and SmallPtrSets for module-visitation data. ~2.6%
speedup for modules.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173081 91177308-0d34-0410-b5e6-96231b3b80d8