1; RUN: llvm-as < %s | llvm-dis | FileCheck %s 2; RUN: verify-uselistorder %s 3 4!0 = !{!"zero"} 5!1 = !{!"one"} 6!2 = !{!"two"} 7 8!foo = !{!0, !1, !2} 9; CHECK: !foo = !{!0, !1, !2} 10 11!\23pragma = !{!0, !1, !2} 12; CHECK: !\23pragma = !{!0, !1, !2} 13 14; \31 is the digit '1'. On emission, we escape the first character (to avoid 15; conflicting with anonymous metadata), but not the subsequent ones. 16!\31\31\31 = !{!0, !1, !2} 17; CHECK: !\3111 = !{!0, !1, !2} 18 19!\22name\22 = !{!0, !1, !2} 20; CHECK: !\22name\22 = !{!0, !1, !2} 21 22; \x doesn't mean anything, so we parse it literally but escape the \ into \5C 23; when emitting it, followed by xfoo. 24!\xfoo = !{!0, !1, !2} 25; CHECK: !\5Cxfoo = !{!0, !1, !2} 26