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1; RUN: opt -S -passes=globaldce < %s | FileCheck %s2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"3target triple = "x86_64-unknown-linux-gnu"4 5@if = ifunc void (), ptr @fn6 7define internal ptr @fn() {8entry:9 ret ptr null10}11 12; CHECK-DAG: @if = ifunc void (), ptr @fn13; CHECK-DAG: define internal ptr @fn(14