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      1 ; RUN: llc -mtriple=aarch64-none-linux-gnu -o - < %s | FileCheck %s
      2 
      3 declare extern_weak i32 @var()
      4 
      5 define i32()* @foo() {
      6 ; The usual ADRP/ADD pair can't be used for a weak reference because it must
      7 ; evaluate to 0 if the symbol is undefined. We use a litpool entry.
      8   ret i32()* @var
      9 ; CHECK: .LCPI0_0:
     10 ; CHECK-NEXT: .xword var
     11 
     12 ; CHECK: ldr x0, [{{x[0-9]+}}, #:lo12:.LCPI0_0]
     13 
     14 }
     15 
     16 
     17 @arr_var = extern_weak global [10 x i32]
     18 
     19 define i32* @bar() {
     20   %addr = getelementptr [10 x i32]* @arr_var, i32 0, i32 5
     21 ; CHECK: .LCPI1_0:
     22 ; CHECK-NEXT: .xword arr_var
     23 
     24 ; CHECK: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, #:lo12:.LCPI1_0]
     25 ; CHECK: add x0, [[BASE]], #20
     26   ret i32* %addr
     27 }
     28 
     29 @defined_weak_var = internal unnamed_addr global i32 0
     30 
     31 define i32* @wibble() {
     32   ret i32* @defined_weak_var
     33 ; CHECK: adrp [[BASE:x[0-9]+]], defined_weak_var
     34 ; CHECK: add x0, [[BASE]], #:lo12:defined_weak_var
     35 }