-!0 = !{!"0x2e\00foo\00foo\00foo\0053\000\001\000\006\000\000\000", !14, !1, !3, null, i32 ()* @foo, null, null, null} ; [ DW_TAG_subprogram ]
-!1 = !{!"0x29", !14} ; [ DW_TAG_file_type ]
-!2 = !{!"0x11\0012\00clang version 2.9 (trunk 114084)\000\00\000\00\000", !15, !16, !16, !13, null, null} ; [ DW_TAG_compile_unit ]
-!3 = !{!"0x15\00\000\000\000\000\000\000", !14, !1, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = !MDSubprogram(name: "foo", linkageName: "foo", line: 53, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !14, scope: !1, type: !3, function: i32 ()* @foo)
+!1 = !MDFile(filename: "", directory: "/private/tmp")
+!2 = !MDCompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 114084)", isOptimized: false, emissionKind: 0, file: !15, enums: !16, retainedTypes: !16, subprograms: !13)
+!3 = !MDSubroutineType(types: !4)