Benjamin Kramer 2715a58149 ComputeMaskedBits: sub falls through to add, and sub doesn't have the same overflow semantics as add.
Should fix the selfhost failures that started with r127463.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127465 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-11 14:46:49 +00:00
..
2011-03-09 01:05:00 +00:00