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Author SHA1 Message Date
Nadav Rotem 8a7beb80f0 Fixes a bug in the DAGCombiner. LoadSDNodes have two values (data, chain). 
If there is a store after the load node, then there is a chain, which means
that there is another user. Thus, asking hasOneUser would fail. Instead we
ask hasNUsesOfValue on the 'data' value.

llvm-svn: 131183
 2011-05-11 14:40:50 +00:00