part of simplifying its interface and usage in preparation for porting
to work with the new pass manager.
Note that this will likely expose that we have dead arguments, members,
and maybe even pass requirements for AA. I'll be cleaning those up in
seperate patches. This just zaps the actual update API.
Differential Revision: http://reviews.llvm.org/D11325
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242881 91177308-0d34-0410-b5e6-96231b3b80d8