; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc %s -stop-after=irtranslator -verify-machineinstrs -mtriple aarch64-apple-darwin -global-isel -o - 2>&1 | FileCheck %s --check-prefix=DARWIN

; Shouldn't tail call when the OS doesn't support it.
declare extern_weak void @extern_weak_fn()
define void @test_extern_weak() {
  ; DARWIN-LABEL: name: test_extern_weak
  ; DARWIN: bb.1 (%ir-block.0):
  ; DARWIN:   ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
  ; DARWIN:   BL @extern_weak_fn, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp
  ; DARWIN:   ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
  ; DARWIN:   RET_ReallyLR
  tail call void @extern_weak_fn()
  ret void
}