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Author SHA1 Message Date
Jakob Stoklund Olesen 43711c51ec Fix PR16110: Handle DBG_VALUE in ConnectedVNInfoEqClasses::Distribute(). 
Now that the LiveDebugVariables pass is running *after* register
coalescing, the ConnectedVNInfoEqClasses class needs to deal with
DBG_VALUE instructions.

This only comes up when rematerialization during coalescing causes the
remaining live range of a virtual register to separate into two
connected components.

llvm-svn: 182592
 2013-05-23 17:02:23 +00:00