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1; RUN: opt < %s -scalar-evolution -analyze \
2; RUN:   | grep {\\-->  (zext} | count 2
3
4define i32 @foo(i32 %x) {
5  %n = and i32 %x, 255
6  %y = xor i32 %n, 255
7  ret i32 %y
8}
9