llvm/test/CodeGen/AArch64/windows-extern-weak.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple aarch64-windows -filetype asm -o - < %s | FileCheck %s
; RUN: llc -mtriple aarch64-windows -filetype asm -o - -fast-isel %s | FileCheck %s --check-prefix=FISEL
; RUN: llc -mtriple aarch64-windows -filetype asm -o - -global-isel -global-isel-abort=0 %s | FileCheck %s

define void @func() nounwind {
; CHECK-LABEL: func:
; CHECK:       // %bb.0:
; CHECK-NEXT:    str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT:    adrp x8, .refptr.weakfunc
; CHECK-NEXT:    ldr x8, [x8, :lo12:.refptr.weakfunc]
; CHECK-NEXT:    cbz x8, .LBB0_2
; CHECK-NEXT:  // %bb.1:
; CHECK-NEXT:    blr x8
; CHECK-NEXT:  .LBB0_2:
; CHECK-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT:    ret
;
; FISEL-LABEL: func:
; FISEL:       // %bb.0:
; FISEL-NEXT:    str x30, [sp, #-16]! // 8-byte Folded Spill
; FISEL-NEXT:    adrp x8, .refptr.weakfunc
; FISEL-NEXT:    ldr x8, [x8, :lo12:.refptr.weakfunc]
; FISEL-NEXT:    cbz x8, .LBB0_2
; FISEL-NEXT:  // %bb.1:
; FISEL-NEXT:    adrp x8, .refptr.weakfunc
; FISEL-NEXT:    ldr x8, [x8, :lo12:.refptr.weakfunc]
; FISEL-NEXT:    blr x8
; FISEL-NEXT:  .LBB0_2:
; FISEL-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
; FISEL-NEXT:    ret
  %cmp = icmp ne ptr @weakfunc, null
  br i1 %cmp, label %1, label %2

1:
  call void @weakfunc()
  br label %2

2:
  ret void
}

declare extern_weak void @weakfunc()