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33a6113995
Make the "fold (and (cast A), (cast B)) -> (cast (and A, B))" transformation only apply when both casts really will cause code to be generated. If one or both doesn't, then this xform doesn't remove a cast. This fixes Transforms/InstCombine/2006-05-06-Infloop.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28141 91177308-0d34-0410-b5e6-96231b3b80d8
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