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Author SHA1 Message Date
David Majnemer 7666be70e4 [PHITransAddr] Don't translate unreachable values 
Unreachable values may use themselves in strange ways due to their
dominance property.  Attempting to translate through them can lead to
infinite recursion, crashing LLVM.  Instead, claim that we weren't able
to translate the value.

This fixes PR23096.

llvm-svn: 238702
 2015-06-01 00:15:08 +00:00
Benjamin Kramer c10563d14e Fix broken CHECK lines. 
llvm-svn: 199016
 2014-01-11 21:06:00 +00:00
Matt Arsenault c23753a53e Fix unchecked uses of DominatorTree in MemoryDependenceAnalysis. 
Use unknown results for places where it would be needed

llvm-svn: 181176
 2013-05-06 02:07:24 +00:00