File: div-overflow.ll

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llvm-3.0 3.0-10
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; RUN: opt < %s -scalar-evolution -analyze \
; RUN:  | grep {\\-->  ((-128 \\* %a) /u -128)}

; Don't let ScalarEvolution fold this div away.

define i8 @foo(i8 %a) {
        %t0 = shl i8 %a, 7
        %t1 = lshr i8 %t0, 7
        ret i8 %t1
}