new files for LLVM

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1289 c0027639-9190-0b57-01eb-f09a03790dae
updates

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1290 c0027639-9190-0b57-01eb-f09a03790dae
refactored model symbol forests

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1291 c0027639-9190-0b57-01eb-f09a03790dae
ran 32 bit Linux tests

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1292 c0027639-9190-0b57-01eb-f09a03790dae