; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s ; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=static -o - < %s | FileCheck --check-prefix=CHECK-STATIC %s ; RUN: llc -mtriple=aarch64-none-linux-gnu -code-model=large -o - %s | FileCheck --check-prefix=CHECK-LARGE %s declare extern_weak i32 @var() define i32()* @foo() { ; The usual ADRP/ADD pair can't be used for a weak reference because it must ; evaluate to 0 if the symbol is undefined. We use a GOT entry for PIC ; otherwise a litpool entry. ret i32()* @var ; CHECK: adrp x[[ADDRHI:[0-9]+]], :got:var ; CHECK: ldr x0, [x[[ADDRHI]], :got_lo12:var] ; CHECK-STATIC: .LCPI0_0: ; CHECK-STATIC-NEXT: .xword var ; CHECK-STATIC: adrp x[[VAR:[0-9]+]], .LCPI0_0 ; CHECK-STATIC: ldr x0, [x[[VAR]], :lo12:.LCPI0_0] ; In the large model, the usual relocations are absolute and can ; materialise 0. ; CHECK-LARGE: movz x0, #:abs_g3:var ; CHECK-LARGE: movk x0, #:abs_g2_nc:var ; CHECK-LARGE: movk x0, #:abs_g1_nc:var ; CHECK-LARGE: movk x0, #:abs_g0_nc:var } @arr_var = extern_weak global [10 x i32] define i32* @bar() { %addr = getelementptr [10 x i32], [10 x i32]* @arr_var, i32 0, i32 5 ; CHECK: adrp x[[ADDRHI:[0-9]+]], :got:arr_var ; CHECK: ldr [[BASE:x[0-9]+]], [x[[ADDRHI]], :got_lo12:arr_var] ; CHECK: add x0, [[BASE]], #20 ; CHECK-STATIC: .LCPI1_0: ; CHECK-STATIC-NEXT: .xword arr_var ; CHECK-STATIC: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, :lo12:.LCPI1_0] ; CHECK-STATIC: add x0, [[BASE]], #20 ret i32* %addr ; In the large model, the usual relocations are absolute and can ; materialise 0. ; CHECK-LARGE: movz [[ADDR:x[0-9]+]], #:abs_g3:arr_var ; CHECK-LARGE: movk [[ADDR]], #:abs_g2_nc:arr_var ; CHECK-LARGE: movk [[ADDR]], #:abs_g1_nc:arr_var ; CHECK-LARGE: movk [[ADDR]], #:abs_g0_nc:arr_var } @defined_weak_var = internal unnamed_addr global i32 0 define i32* @wibble() { ret i32* @defined_weak_var ; CHECK: adrp [[BASE:x[0-9]+]], defined_weak_var ; CHECK: add x0, [[BASE]], :lo12:defined_weak_var ; CHECK-STATIC: adrp [[BASE:x[0-9]+]], defined_weak_var ; CHECK-STATIC: add x0, [[BASE]], :lo12:defined_weak_var ; CHECK-LARGE: movz x0, #:abs_g3:defined_weak_var ; CHECK-LARGE: movk x0, #:abs_g2_nc:defined_weak_var ; CHECK-LARGE: movk x0, #:abs_g1_nc:defined_weak_var ; CHECK-LARGE: movk x0, #:abs_g0_nc:defined_weak_var }