1; RUN: llvm-link %p/type-unique-dst-types.ll \
2; RUN:           %p/Inputs/type-unique-dst-types2.ll \
3; RUN:           %p/Inputs/type-unique-dst-types3.ll -S -o - | FileCheck %s
4
5; This tests the importance of keeping track of which types are part of the
6; destination module.
7; When the second input is merged in, the context gets an unused A.11. When
8; the third module is then merged, we should pretend it doesn't exist.
9
10; CHECK: %A = type { %B }
11; CHECK-NEXT: %B = type { i8 }
12
13; CHECK: @g3 = external global %A
14; CHECK: @g1 = external global %A
15; CHECK: @g2 = external global %A
16
17%A = type { %B }
18%B = type { i8 }
19@g3 = external global %A
20
21define %A* @use_g3() {
22  ret %A* @g3
23}
24