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