[Linker] Add some test coverage for llvm.ident merging

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221403 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Linker/Inputs/ident.a.ll b/test/Linker/Inputs/ident.a.ll
new file mode 100644 (file)
index 0000000..ebda940
--- /dev/null
+++ b/test/Linker/Inputs/ident.a.ll
@@ -0,0 +1,3 @@
+!llvm.ident = !{!0, !1}
+!0 = metadata !{metadata !"Compiler V1"}
+!1 = metadata !{metadata !"Compiler V2"}

diff --git a/test/Linker/Inputs/ident.b.ll b/test/Linker/Inputs/ident.b.ll
new file mode 100644 (file)
index 0000000..21ee1d8
--- /dev/null
+++ b/test/Linker/Inputs/ident.b.ll
@@ -0,0 +1,2 @@
+!llvm.ident = !{!0}
+!0 = metadata !{metadata !"Compiler V3"}

diff --git a/test/Linker/ident.ll b/test/Linker/ident.ll
new file mode 100644 (file)
index 0000000..93bf8c7
--- /dev/null
+++ b/test/Linker/ident.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-link %S/Inputs/ident.a.ll %S/Inputs/ident.b.ll -S | FileCheck %s
+
+; Verify that multiple input llvm.ident metadata are linked together.
+
+; CHECK-DAG: !llvm.ident = !{!0, !1, !2}
+; CHECK-DAG: "Compiler V1"
+; CHECK-DAG: "Compiler V2"
+; CHECK-DAG: "Compiler V3"
+