1 ; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -o - < %s | FileCheck %s
2 ; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=static -o - < %s | FileCheck --check-prefix=CHECK-STATIC %s
3 ; RUN: llc -mtriple=arm64-none-linux-gnu -code-model=large -o - < %s | FileCheck --check-prefix=CHECK-LARGE %s
5 declare extern_weak i32 @var()
8 ; The usual ADRP/ADD pair can't be used for a weak reference because it must
9 ; evaluate to 0 if the symbol is undefined. We use a GOT entry for PIC
10 ; otherwise a litpool entry.
13 ; CHECK: adrp x[[VAR:[0-9]+]], :got:var
14 ; CHECK: ldr x0, [x[[VAR]], :got_lo12:var]
16 ; CHECK-STATIC: .LCPI0_0:
17 ; CHECK-STATIC-NEXT: .xword var
18 ; CHECK-STATIC: adrp x[[VAR:[0-9]+]], .LCPI0_0
19 ; CHECK-STATIC: ldr x0, [x[[VAR]], :lo12:.LCPI0_0]
21 ; In the large model, the usual relocations are absolute and can
23 ; CHECK-LARGE: movz x0, #:abs_g3:var
24 ; CHECK-LARGE: movk x0, #:abs_g2_nc:var
25 ; CHECK-LARGE: movk x0, #:abs_g1_nc:var
26 ; CHECK-LARGE: movk x0, #:abs_g0_nc:var
30 @arr_var = extern_weak global [10 x i32]
33 %addr = getelementptr [10 x i32], [10 x i32]* @arr_var, i32 0, i32 5
34 ; CHECK: adrp x[[ARR_VAR_HI:[0-9]+]], :got:arr_var
35 ; CHECK: ldr [[ARR_VAR:x[0-9]+]], [x[[ARR_VAR_HI]], :got_lo12:arr_var]
36 ; CHECK: add x0, [[ARR_VAR]], #20
39 ; CHECK-STATIC: .LCPI1_0:
40 ; CHECK-STATIC-NEXT: .xword arr_var
41 ; CHECK-STATIC: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, :lo12:.LCPI1_0]
42 ; CHECK-STATIC: add x0, [[BASE]], #20
44 ; In the large model, the usual relocations are absolute and can
46 ; CHECK-LARGE: movz [[ARR_VAR:x[0-9]+]], #:abs_g3:arr_var
47 ; CHECK-LARGE: movk [[ARR_VAR]], #:abs_g2_nc:arr_var
48 ; CHECK-LARGE: movk [[ARR_VAR]], #:abs_g1_nc:arr_var
49 ; CHECK-LARGE: movk [[ARR_VAR]], #:abs_g0_nc:arr_var
52 @defined_weak_var = internal unnamed_addr global i32 0
54 define i32* @wibble() {
55 ret i32* @defined_weak_var
56 ; CHECK: adrp [[BASE:x[0-9]+]], defined_weak_var
57 ; CHECK: add x0, [[BASE]], :lo12:defined_weak_var
59 ; CHECK-STATIC: adrp [[BASE:x[0-9]+]], defined_weak_var
60 ; CHECK-STATIC: add x0, [[BASE]], :lo12:defined_weak_var
62 ; CHECK-LARGE: movz x0, #:abs_g3:defined_weak_var
63 ; CHECK-LARGE: movk x0, #:abs_g2_nc:defined_weak_var
64 ; CHECK-LARGE: movk x0, #:abs_g1_nc:defined_weak_var
65 ; CHECK-LARGE: movk x0, #:abs_g0_nc:defined_weak_var