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swiftshader
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SwiftShader
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refs/heads/llvm10-clean
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.
/
third_party
/
llvm-7.0
/
llvm
/
test
/
Analysis
/
ScalarEvolution
/
div-overflow.ll
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; RUN: opt < %s -scalar-evolution -analyze | 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
}