From 1e85ef645d388a8900320b81c0e6e8afb8804b06 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Thu, 16 Jun 2011 17:14:38 +0000
Subject: [PATCH] Add testcase for r133050 which added support for printing and
 parsing escaped names for named metadata nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133166 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Assembler/named-metadata.ll | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 test/Assembler/named-metadata.ll

diff --git a/test/Assembler/named-metadata.ll b/test/Assembler/named-metadata.ll
new file mode 100644
index 00000000000..db728108ac9
--- /dev/null
+++ b/test/Assembler/named-metadata.ll
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+!0 = metadata !{metadata !"zero"}
+!1 = metadata !{metadata !"one"}
+!2 = metadata !{metadata !"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}
-- 
2.11.0