start setting up infrastructure for passing multi-floats
as <2 x float> instead of as double.  The backend isn't ready
yet, but infrastructure in the frontend can come up.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109768 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed