-!17 = !MDDerivedType(tag: DW_TAG_reference_type, baseType: null)
-!45 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
-!62 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "arg", line: 4, arg: 2, scope: !MDSubprogram(), type: !17)
+!17 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: null)
+!45 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
+!62 = !DILocalVariable(name: "arg", line: 4, arg: 2, scope: !DISubprogram(), type: !17)