[IR] Add 'Append' and 'AppendUnique' module flag behaviors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172659 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 21 insertions, 0 deletions

diff --git a/test/Linker/module-flags-8-a.ll b/test/Linker/module-flags-8-a.ll
new file mode 100644
index 0000000..146cae7
--- /dev/null
+++ b/test/Linker/module-flags-8-a.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-link %s %p/module-flags-8-b.ll -S -o - | sort | FileCheck %s
+
+; Test append-type module flags.
+
+; CHECK: !0 = metadata !{i32 5, metadata !"flag-0", metadata !1}
+; CHECK: !1 = metadata !{i32 0, i32 0, i32 1}
+; CHECK: !2 = metadata !{i32 6, metadata !"flag-1", metadata !3}
+; CHECK: !3 = metadata !{i32 0, i32 1, i32 2}
+; CHECK: !llvm.module.flags = !{!0, !2}
+
+!0 = metadata !{ i32 5, metadata !"flag-0", metadata !{ i32 0 } }
+!1 = metadata !{ i32 6, metadata !"flag-1", metadata !{ i32 0, i32 1 } }
+
+!llvm.module.flags = !{ !0, !1 }
diff --git a/test/Linker/module-flags-8-b.ll b/test/Linker/module-flags-8-b.ll
new file mode 100644
index 0000000..08f9bc4
--- /dev/null
+++ b/test/Linker/module-flags-8-b.ll
@@ -0,0 +1,7 @@
+; This file is used with module-flags-6-a.ll
+; RUN: true
+
+!0 = metadata !{ i32 5, metadata !"flag-0", metadata !{ i32 0, i32 1 } }
+!1 = metadata !{ i32 6, metadata !"flag-1", metadata !{ i32 1, i32 2 } }
+
+!llvm.module.flags = !{ !0, !1 }