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

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LLVM

; RUN: opt -S < %s -globalopt | FileCheck %s
; Static evaluation across a @llvm.sideeffect.
; CHECK-NOT: store
declare void @llvm.sideeffect()
@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [ { i32, void ()*, i8* } { i32 65535, void ()* @ctor, i8* null } ]
@G = global i32 0
define internal void @ctor() {
store i32 1, i32* @G
call void @llvm.sideeffect()
ret void
}