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Author SHA1 Message Date
Sanjoy Das 7e7a5a050a Use all_of instead of a raw loop; NFC 
Added some tests despite being NFC, since it looks like nothing was
exercising the "all incoming values to exit PHIs are same" logic.

llvm-svn: 268407
 2016-05-03 17:50:06 +00:00
Cameron Zwarich 826308586c Make LoopDeletion work on loops with multiple edges, as long as the incoming 
values from all of the loop's exiting blocks are equal. Patch by Andrew Clinton.

llvm-svn: 126253
 2011-02-22 22:25:39 +00:00