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511a3c71fc
We used to do this promotion during DAG legalization, but this caused an infinite loop in ExpandUnalignedLoad() because it assumed that i64 loads were legal if i64 was a legal type. It also seems better to report i64 loads as legal, since they actually are and we were just promoting them to simplify our tablegen files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226945 91177308-0d34-0410-b5e6-96231b3b80d8
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