text: define i32 @main() #0 !dbg !4 {
  entry:
    %retval = alloca i32, align 4
    store i32 0, i32* %retval, align 4
    ret i32 0, !dbg !11
  }
  
  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!8, !9}
  !llvm.ident = !{!10}
  
  !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 256934) (llvm/trunk 256936)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
  !1 = !DIFile(filename: "main.cc", directory: "")
  !2 = !{}
  !4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
  !5 = !DISubroutineType(types: !6)
  !6 = !{!7}
  !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
  !8 = !{i32 2, !"Dwarf Version", i32 4}
  !9 = !{i32 2, !"Debug Info Version", i32 3}
  !10 = !{!"clang version 3.8.0 (trunk 256934) (llvm/trunk 256936)"}
  !11 = !DILocation(line: 1, column: 14, scope: !4)
  