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llvm
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test
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Analysis
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ScalarEvolution
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div-overflow.ll
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; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s
; CHECK: --> ((-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
}