Chris Lattner 5729d38c81 reapply 86289, 86278, 86270, 86267, 86266 & 86264 plus a fix
(making pred factoring only happen if threading is guaranteed
to be successful).

This now survives an X86-64 bootstrap of llvm-gcc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07 08:05:03 +00:00
..
2009-11-06 20:10:46 +00:00
2009-10-25 01:43:50 +00:00
2009-10-16 16:30:02 +00:00
2009-10-24 20:32:36 +00:00
2009-10-26 02:37:56 +00:00