Misc test cleanups. * tbaa-struct.cpp always has a 64 bit pointer. * f32:32:32, f64:64:64 and f128:128:128 are defaults, don't assume they are printed. llvm-svn: 197415 GitOrigin-RevId: c4d672a49d5e0b92ca5fd9d898fc8b1a12ee5288