Bill Wendling 41ea7e7eb3 - Make lowering of "add with overflow" customizable by back-ends.
- Mark "add with overflow" as having a custom lowering for X86. Give it a null
  lowering representation for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59971 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-24 19:21:46 +00:00
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2008-11-21 20:00:59 +00:00