LLVM 2.9. My understanding is that we plan to maintain compatibility with 2.9
until the 3.1 release. At that time we can generate new test cases using LLVM
3.0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142958 91177308-0d34-0410-b5e6-96231b3b80d8