Add a testcase reduced from clang lto bootstrap on OS X.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222921 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Linker/Inputs/opaque.ll b/test/Linker/Inputs/opaque.ll
new file mode 100644 (file)
index 0000000..2b0d7d3
--- /dev/null
+++ b/test/Linker/Inputs/opaque.ll
@@ -0,0 +1,13 @@
+%A = type { }
+%B = type { %D, %E, %B* }
+
+%D = type { %E }
+%E = type opaque
+
+@g2 = external global %A
+@g3 = external global %B
+
+define void @f1()  {
+  getelementptr %A* null, i32 0
+  ret void
+}

diff --git a/test/Linker/opaque.ll b/test/Linker/opaque.ll
new file mode 100644 (file)
index 0000000..1ba878c
--- /dev/null
+++ b/test/Linker/opaque.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-link %p/opaque.ll %p/Inputs/opaque.ll -S -o - | FileCheck %s
+
+; CHECK-DAG: %A =   type {}
+; CHECK-DAG: %B =   type { %C, %C, %B* }
+; CHECK-DAG: %B.1 = type { %D, %E, %B.1* }
+; CHECK-DAG: %C =   type { %A }
+; CHECK-DAG: %D =   type { %E }
+; CHECK-DAG: %E =   type opaque
+
+; CHECK-DAG: @g1 = external global %B
+; CHECK-DAG: @g2 = external global %A
+; CHECK-DAG: @g3 = external global %B.1
+
+; CHECK-DAG: getelementptr %A* null, i32 0
+
+%A = type opaque
+%B = type { %C, %C, %B* }
+
+%C = type { %A }
+
+@g1 = external global %B