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test
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DCE
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int_sideeffect.ll
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; RUN: opt -S < %s -instcombine | FileCheck %s
declare
void
@llvm.sideeffect
()
; Don't DCE llvm.sideeffect calls.
; CHECK-LABEL: dce
; CHECK: call void @llvm.sideeffect()
define
void
@dce
()
{
call
void
@llvm.sideeffect
()
ret
void
}