-!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [D:\/<unknown>] [DW_LANG_C99]
-!1 = metadata !{metadata !"<unknown>", metadata !"D:\5C"}
-!2 = metadata !{i32 0}
-!3 = metadata !{metadata !4}
-!4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"f", metadata !"f", metadata !"", i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @f, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
-!5 = metadata !{metadata !"input.c", metadata !"D:\5C"}
-!6 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [D:\/input.c]
-!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!8 = metadata !{null}
-!9 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!10 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
-!11 = metadata !{metadata !"clang version 3.5 "}
-!12 = metadata !{i32 1, i32 0, metadata !13, null}
-!13 = metadata !{i32 786443, metadata !14, metadata !4, i32 0} ; [ DW_TAG_lexical_block ] [D:\/one.c]
-!14 = metadata !{metadata !"one.c", metadata !"D:\5C"}
-!15 = metadata !{i32 2, i32 0, metadata !16, null}
-!16 = metadata !{i32 786443, metadata !17, metadata !4, i32 0} ; [ DW_TAG_lexical_block ] [D:\/two.c]
-!17 = metadata !{metadata !"two.c", metadata !"D:\5C"}
-!18 = metadata !{i32 7, i32 0, metadata !13, null}
-!19 = metadata !{i32 8, i32 0, metadata !13, null} ; [ DW_TAG_imported_declaration ]
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "<unknown>", directory: "D:\5C")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !5, scope: !6, type: !7, variables: !2)
+!5 = !DIFile(filename: "input.c", directory: "D:\5C")
+!6 = !DIFile(filename: "input.c", directory: "D:C")
+!7 = !DISubroutineType(types: !8)
+!8 = !{null}
+!9 = !{i32 2, !"CodeView", i32 1}
+!10 = !{i32 1, !"Debug Info Version", i32 3}
+!11 = !{!"clang version 3.5 "}
+!12 = !DILocation(line: 1, scope: !13)
+!13 = !DILexicalBlockFile(discriminator: 0, file: !14, scope: !4)
+!14 = !DIFile(filename: "one.c", directory: "D:\5C")
+!15 = !DILocation(line: 2, scope: !16)
+!16 = !DILexicalBlockFile(discriminator: 0, file: !17, scope: !4)
+!17 = !DIFile(filename: "two.c", directory: "D:\5C")
+!18 = !DILocation(line: 7, scope: !13)
+!19 = !DILocation(line: 8, scope: !13)