-!0 = !{!"0x101\00y\002\000", !1, !2, !6} ; [ DW_TAG_arg_variable ]
-!1 = !{!"0x2e\00foo\00foo\00foo\002\000\001\000\006\000\001\002", !18, !2, !4, null, i32 (i32)* @foo, null, null, !15} ; [ DW_TAG_subprogram ]
-!2 = !{!"0x29", !18} ; [ DW_TAG_file_type ]
-!3 = !{!"0x11\001\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\001\00\000\00\001", !18, !19, !19, !17, null, null} ; [ DW_TAG_compile_unit ]
-!4 = !{!"0x15\00\000\000\000\000\000\000", !18, !2, null, !5, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!0 = !DILocalVariable(name: "y", line: 2, arg: 1, scope: !1, file: !2, type: !6)
+!1 = distinct !DISubprogram(name: "foo", linkageName: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 2, file: !18, scope: !2, type: !4, variables: !15)
+!2 = !DIFile(filename: "f.c", directory: "/tmp")
+!3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: 1, file: !18, enums: !19, retainedTypes: !19, subprograms: !17, imports: null)
+!4 = !DISubroutineType(types: !5)