1; RUN: opt < %s -globalopt -S | FileCheck %s
2
3@c = global i8 42
4
5@i = internal global i8 42
6; CHECK: @ia = internal global i8 42
7@ia = internal alias i8* @i
8
9@llvm.used = appending global [3 x i8*] [i8* bitcast (void ()* @fa to i8*), i8* bitcast (void ()* @f to i8*), i8* @ca], section "llvm.metadata"
10; CHECK-DAG: @llvm.used = appending global [3 x i8*] [i8* bitcast (void ()* @fa to i8*), i8* bitcast (void ()* @f to i8*), i8* @ca], section "llvm.metadata"
11
12@llvm.compiler.used = appending global [4 x i8*] [i8* bitcast (void ()* @fa3 to i8*), i8* bitcast (void ()* @fa to i8*), i8* @ia, i8* @i], section "llvm.metadata"
13; CHECK-DAG: @llvm.compiler.used = appending global [2 x i8*] [i8* bitcast (void ()* @fa3 to i8*), i8* @ia], section "llvm.metadata"
14
15@sameAsUsed = global [3 x i8*] [i8* bitcast (void ()* @fa to i8*), i8* bitcast (void ()* @f to i8*), i8* @ca]
16; CHECK-DAG: @sameAsUsed = global [3 x i8*] [i8* bitcast (void ()* @f to i8*), i8* bitcast (void ()* @f to i8*), i8* @c]
17
18@other = global i32* bitcast (void ()* @fa to i32*)
19; CHECK-DAG: @other = global i32* bitcast (void ()* @f to i32*)
20
21@fa = internal alias void ()* @f
22; CHECK: @fa = internal alias void ()* @f
23
24@fa2 = internal alias void ()* @f
25; CHECK-NOT: @fa2
26
27@fa3 = internal alias void ()* @f
28; CHECK: @fa3
29
30@ca = internal alias i8* @c
31; CHECK: @ca = internal alias i8* @c
32
33define void @f() {
34  ret void
35}
36
37define i8* @g() {
38  ret i8* bitcast (void ()* @fa to i8*);
39}
40
41define i8* @g2() {
42  ret i8* bitcast (void ()* @fa2 to i8*);
43}
44
45define i8* @h() {
46  ret i8* @ca
47}
48