-!0 = !{!"0x11\0012\00Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)\001\00\000\00\000", !8, !9, !9, !10, null, null} ; [ DW_TAG_compile_unit ]
-!1 = !{!"0x2e\00foo\00foo\00\002\000\001\000\006\000\000\000", !8, !2, !3, null, i32 ()* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
-!2 = !{!"0x29", !8} ; [ DW_TAG_file_type ]
-!3 = !{!"0x15\00\000\000\000\000\000\000", !8, !2, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = !DICompileUnit(language: DW_LANG_C99, producer: "Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", isOptimized: true, emissionKind: 0, file: !8, enums: !9, retainedTypes: !9, subprograms: !10)
+!1 = !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !8, scope: !2, type: !3, function: i32 ()* @foo)
+!2 = !DIFile(filename: "a.c", directory: "/private/tmp")
+!3 = !DISubroutineType(types: !4)