Morten Ofstad.

llvm-svn: 17996

llvm-svn: 17956

Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137

This also registers the pass with opt with a -lower-packed command line
option.

Patch contributed by Brad Jones.

llvm-svn: 15987