xref: /llvm-project/llvm/test/Transforms/DCE/int_sideeffect.ll (revision 3f8027fb67bc4efae9959a4d75f8f37ecf0c3985) 
1; RUN: opt -S < %s -passes=instcombine | FileCheck %s
2
3declare void @llvm.sideeffect()
4
5; Don't DCE llvm.sideeffect calls.
6
7; CHECK-LABEL: dce
8; CHECK: call void @llvm.sideeffect()
9define void @dce() {
10    call void @llvm.sideeffect()
11    ret void
12}
13