Dan Gohman 6c189ecbe6 Use the new Use-aware dominates method to apply the objc runtime ...

library return value optimization for phi uses. Even when the
phi itself is not dominated, the specific use may be dominated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154647 91177308-0d34-0410-b5e6-96231b3b80d8

2012-04-13 01:08:28 +00:00

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