1 ; RUN: llc -mtriple=aarch64-none-linux-gnu -o - < %s | FileCheck %s --check-prefix=CHECK-AARCH64
2 ; RUN: llc -mtriple=aarch64-none-linux-gnu -code-model=large -o - < %s | FileCheck --check-prefix=CHECK-LARGE %s
3 ; RUN: llc -mtriple=arm64-none-linux-gnu -o - %s | FileCheck %s --check-prefix=CHECK-ARM64
4 ; RUN: llc -mtriple=arm64-none-linux-gnu -code-model=large -o - %s | FileCheck --check-prefix=CHECK-LARGE %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 litpool entry.
12 ; CHECK-AARCH64: .LCPI0_0:
13 ; CHECK-AARCH64-NEXT: .xword var
15 ; CHECK-AARCH64: ldr x0, [{{x[0-9]+}}, #:lo12:.LCPI0_0]
17 ; CHECK-ARM64: adrp x[[ADDRHI:[0-9]+]], :got:var
18 ; CHECK-ARM64: ldr x0, [x[[ADDRHI]], :got_lo12:var]
20 ; In the large model, the usual relocations are absolute and can
22 ; CHECK-LARGE: movz x0, #:abs_g3:var
23 ; CHECK-LARGE: movk x0, #:abs_g2_nc:var
24 ; CHECK-LARGE: movk x0, #:abs_g1_nc:var
25 ; CHECK-LARGE: movk x0, #:abs_g0_nc:var
29 @arr_var = extern_weak global [10 x i32]
32 %addr = getelementptr [10 x i32]* @arr_var, i32 0, i32 5
33 ; CHECK-AARCH64: .LCPI1_0:
34 ; CHECK-AARCH64-NEXT: .xword arr_var
36 ; CHECK-AARCH64: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, #:lo12:.LCPI1_0]
37 ; CHECK-AARCH64: add x0, [[BASE]], #20
39 ; CHECK-ARM64: adrp x[[ADDRHI:[0-9]+]], :got:arr_var
40 ; CHECK-ARM64: ldr [[BASE:x[0-9]+]], [x[[ADDRHI]], :got_lo12:arr_var]
41 ; CHECK-ARM64: add x0, [[BASE]], #20
45 ; In the large model, the usual relocations are absolute and can
47 ; CHECK-LARGE: movz [[ADDR:x[0-9]+]], #:abs_g3:arr_var
48 ; CHECK-LARGE: movk [[ADDR]], #:abs_g2_nc:arr_var
49 ; CHECK-LARGE: movk [[ADDR]], #:abs_g1_nc:arr_var
50 ; CHECK-LARGE: movk [[ADDR]], #:abs_g0_nc:arr_var
53 @defined_weak_var = internal unnamed_addr global i32 0
55 define i32* @wibble() {
56 ret i32* @defined_weak_var
57 ; CHECK-AARCH64: adrp [[BASE:x[0-9]+]], defined_weak_var
58 ; CHECK-AARCH64: add x0, [[BASE]], #:lo12:defined_weak_var
60 ; CHECK-ARM64: adrp [[BASE:x[0-9]+]], defined_weak_var
61 ; CHECK-ARM64: add x0, [[BASE]], :lo12:defined_weak_var
63 ; CHECK-LARGE: movz x0, #:abs_g3:defined_weak_var
64 ; CHECK-LARGE: movk x0, #:abs_g2_nc:defined_weak_var
65 ; CHECK-LARGE: movk x0, #:abs_g1_nc:defined_weak_var
66 ; CHECK-LARGE: movk x0, #:abs_g0_nc:defined_weak_var