target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @fptr = external local_unnamed_addr global void ()*, align 8 ; Function Attrs: norecurse nounwind uwtable define void @_Z6updatei(i32 %i) local_unnamed_addr #0 { entry: store void ()* @_ZL3foov, void ()** @fptr, align 8 ret void } ; Function Attrs: norecurse nounwind readnone uwtable define internal void @_ZL3foov() #1 { entry: ret void } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3} !llvm.ident = !{!31} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 297016)", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) !1 = !DIFile(filename: "b.cc", directory: "/ssd/llvm/abc/small") !2 = !{} !3 = !{i32 2, !"Debug Info Version", i32 3} !31 = !{!"clang version 5.0.0 (trunk 297016)"}