Reid Spencer 9c7bfc232e Forgot to commit this earlier. Its part of the simplify-libcalls
enhancement for ffs, ffsl, and ffsll optimizations. We can't do the opt
unless we also have the at least ffsll function. Notably SVR4 doesn't.

llvm-svn: 22033
2005-05-14 20:04:19 +00:00
..