1; RUN: llc -mtriple=aarch64-none-linux-gnu -o - < %s | FileCheck %s
2; RUN: llc -mtriple=aarch64-none-linux-gnu -code-model=large -o - < %s | FileCheck --check-prefix=CHECK-LARGE %s
3
4declare extern_weak i32 @var()
5
6define i32()* @foo() {
7; The usual ADRP/ADD pair can't be used for a weak reference because it must
8; evaluate to 0 if the symbol is undefined. We use a litpool entry.
9  ret i32()* @var
10; CHECK: .LCPI0_0:
11; CHECK-NEXT: .xword var
12
13; CHECK: ldr x0, [{{x[0-9]+}}, #:lo12:.LCPI0_0]
14
15  ; In the large model, the usual relocations are absolute and can
16  ; materialise 0.
17; CHECK-LARGE: movz x0, #:abs_g3:var
18; CHECK-LARGE: movk x0, #:abs_g2_nc:var
19; CHECK-LARGE: movk x0, #:abs_g1_nc:var
20; CHECK-LARGE: movk x0, #:abs_g0_nc:var
21}
22
23
24@arr_var = extern_weak global [10 x i32]
25
26define i32* @bar() {
27  %addr = getelementptr [10 x i32]* @arr_var, i32 0, i32 5
28; CHECK: .LCPI1_0:
29; CHECK-NEXT: .xword arr_var
30
31; CHECK: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, #:lo12:.LCPI1_0]
32; CHECK: add x0, [[BASE]], #20
33  ret i32* %addr
34
35  ; In the large model, the usual relocations are absolute and can
36  ; materialise 0.
37; CHECK-LARGE: movz x0, #:abs_g3:arr_var
38; CHECK-LARGE: movk x0, #:abs_g2_nc:arr_var
39; CHECK-LARGE: movk x0, #:abs_g1_nc:arr_var
40; CHECK-LARGE: movk x0, #:abs_g0_nc:arr_var
41}
42
43@defined_weak_var = internal unnamed_addr global i32 0
44
45define i32* @wibble() {
46  ret i32* @defined_weak_var
47; CHECK: adrp [[BASE:x[0-9]+]], defined_weak_var
48; CHECK: add x0, [[BASE]], #:lo12:defined_weak_var
49
50; CHECK-LARGE: movz x0, #:abs_g3:defined_weak_var
51; CHECK-LARGE: movk x0, #:abs_g2_nc:defined_weak_var
52; CHECK-LARGE: movk x0, #:abs_g1_nc:defined_weak_var
53; CHECK-LARGE: movk x0, #:abs_g0_nc:defined_weak_var
54}
55