Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Assembler/named-metadata.ll

@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+; RUN: verify-uselistorder %s
+
+!0 = !{!"zero"}
+!1 = !{!"one"}
+!2 = !{!"two"}
+
+!foo = !{!0, !1, !2}
+; CHECK: !foo = !{!0, !1, !2}
+
+!\23pragma = !{!0, !1, !2}
+; CHECK: !\23pragma = !{!0, !1, !2}
+
+; \31 is the digit '1'. On emission, we escape the first character (to avoid
+; conflicting with anonymous metadata), but not the subsequent ones.
+!\31\31\31 = !{!0, !1, !2}
+; CHECK: !\3111 = !{!0, !1, !2}
+
+!\22name\22 = !{!0, !1, !2}
+; CHECK: !\22name\22 = !{!0, !1, !2}
+
+; \x doesn't mean anything, so we parse it literally but escape the \ into \5C
+; when emitting it, followed by xfoo.
+!\xfoo = !{!0, !1, !2}
+; CHECK: !\5Cxfoo = !{!0, !1, !2}