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InstCombine
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2007-03-25-DoubleShift.ll
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; PR1271
; RUN: opt < %s -instcombine -S | grep and
define
i1
@test
(
i32
%tmp13
)
{
entry
:
%tmp14
=
shl
i32
%tmp13
,
12
; <i32> [#uses=1]
%tmp15
=
lshr
i32
%tmp14
,
12
; <i32> [#uses=1]
%res
=
icmp
ne
i32
%tmp15
,
0
; <i1>:3 [#uses=1]
ret
i1
%res
}