Chris Lattner 99ae6659da reapply the patch reverted in r116033:
"Reimplement (part of) the or -> add optimization.  Matching 'or' into 'add'"

With a critical fix: the add pseudos clobber EFLAGS.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-08 03:54:52 +00:00
..
2010-10-08 02:30:03 +00:00