1 ; RUN: llvm-as < %s | llvm-dis | FileCheck %s 2 3 !0 = metadata !{metadata !"zero"} 4 !1 = metadata !{metadata !"one"} 5 !2 = metadata !{metadata !"two"} 6 7 !foo = !{!0, !1, !2} 8 ; CHECK: !foo = !{!0, !1, !2} 9 10 !\23pragma = !{!0, !1, !2} 11 ; CHECK: !\23pragma = !{!0, !1, !2} 12 13 ; \31 is the digit '1'. On emission, we escape the first character (to avoid 14 ; conflicting with anonymous metadata), but not the subsequent ones. 15 !\31\31\31 = !{!0, !1, !2} 16 ; CHECK: !\3111 = !{!0, !1, !2} 17 18 !\22name\22 = !{!0, !1, !2} 19 ; CHECK: !\22name\22 = !{!0, !1, !2} 20 21 ; \x doesn't mean anything, so we parse it literally but escape the \ into \5C 22 ; when emitting it, followed by xfoo. 23 !\xfoo = !{!0, !1, !2} 24 ; CHECK: !\5Cxfoo = !{!0, !1, !2} 25