Duncan Sands c48b55a33d TryToSimplifyUncondBranchFromEmptyBlock was checking that any common ... predecessors of the two blocks it is attempting to merge supply the same incoming values to any phi in the successor block. This change allows merging in the case where there is one or more incoming values that are undef. The undef values are rewritten to match the non-undef value that flows from the other edge. Patch by Mark Lacey. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186069 91177308-0d34-0410-b5e6-96231b3b80d8		2013-07-11 08:28:20 +00:00
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Utils	TryToSimplifyUncondBranchFromEmptyBlock was checking that any common	2013-07-11 08:28:20 +00:00
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