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LLVM replaces the SelectionDAG pattern (xor (set_cc cc x y) 1) with (set_cc !cc x y), which is only correct when the xor has type i1. Instead, we should check that the constant operand to the xor is all ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221693 91177308-0d34-0410-b5e6-96231b3b80d8
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