llvm-project/llvm/test/Transforms/DCE/int_sideeffect.ll

13 lines
243 B
LLVM

; 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
}