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

llvm-svn: 222921

2 files changed, 34 insertions, 0 deletions

diff --git a/llvm/test/Linker/Inputs/opaque.ll b/llvm/test/Linker/Inputs/opaque.ll
new file mode 100644
index 00000000000..2b0d7d3cea8
--- /dev/null
+++ b/llvm/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/llvm/test/Linker/opaque.ll b/llvm/test/Linker/opaque.ll
new file mode 100644
index 00000000000..1ba878c6a36
--- /dev/null
+++ b/llvm/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