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	Commit message (Collapse)	Author	Age	Files	Lines
*	This situation can occur:	Bill Wendling	2008-06-23	1	-0/+25
	,------. \| \| \| v \| t2 = phi ... t1 ... \| \| \| v \| t1 = ... \| ... = ... t1 ... \| \| `------' where there is a use in a PHI node that's a predecessor to the defining block. We don't want to mark all predecessors as having the value "alive" in this case. Also, the assert was too restrictive and didn't handle this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52655 91177308-0d34-0410-b5e6-96231b3b80d8