1 ; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
2 ; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=static -o - < %s | FileCheck %s
3 ; RUN: llc -mtriple=aarch64-none-linux-gnu -code-model=large -o - %s | FileCheck --check-prefix=CHECK-LARGE %s
4 ; RUN: llc -mtriple=aarch64-none-none-eabi -code-model=tiny -o - %s | FileCheck --check-prefix=CHECK-TINY %s
6 declare extern_weak i32 @var()
9 ; The usual ADRP/ADD pair can't be used for a weak reference because it must
10 ; evaluate to 0 if the symbol is undefined. We use a GOT entry for PIC
11 ; otherwise a litpool entry.
15 ; CHECK: adrp x[[ADDRHI:[0-9]+]], :got:var
16 ; CHECK: ldr x0, [x[[ADDRHI]], :got_lo12:var]
18 ; In the large model, the usual relocations are absolute and can
20 ; CHECK-LARGE: movz x0, #:abs_g0_nc:var
21 ; CHECK-LARGE: movk x0, #:abs_g1_nc:var
22 ; CHECK-LARGE: movk x0, #:abs_g2_nc:var
23 ; CHECK-LARGE: movk x0, #:abs_g3:var
25 ; In the tiny codemodel we us a got relocated LDR.
26 ; CHECK-TINY: ldr x0, :got: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
36 ; CHECK: adrp x[[ADDRHI:[0-9]+]], :got:arr_var
37 ; CHECK: ldr [[BASE:x[0-9]+]], [x[[ADDRHI]], :got_lo12:arr_var]
38 ; CHECK: add x0, [[BASE]], #20
42 ; In the large model, the usual relocations are absolute and can
44 ; CHECK-LARGE: movz [[ADDR:x[0-9]+]], #:abs_g0_nc:arr_var
45 ; CHECK-LARGE: movk [[ADDR]], #:abs_g1_nc:arr_var
46 ; CHECK-LARGE: movk [[ADDR]], #:abs_g2_nc:arr_var
47 ; CHECK-LARGE: movk [[ADDR]], #:abs_g3:arr_var
49 ; CHECK-TINY: ldr [[BASE:x[0-9]+]], :got:arr_var
50 ; CHECK-TINY: add x0, [[BASE]], #20
53 @defined_weak_var = internal unnamed_addr global i32 0
55 define i32* @wibble() {
56 ret i32* @defined_weak_var
58 ; CHECK: adrp [[BASE:x[0-9]+]], defined_weak_var
59 ; CHECK: add x0, [[BASE]], :lo12:defined_weak_var
61 ; CHECK-LARGE: movz x0, #:abs_g0_nc:defined_weak_var
62 ; CHECK-LARGE: movk x0, #:abs_g1_nc:defined_weak_var
63 ; CHECK-LARGE: movk x0, #:abs_g2_nc:defined_weak_var
64 ; CHECK-LARGE: movk x0, #:abs_g3:defined_weak_var
66 ; CHECK-TINY: adr x0, defined_weak_var