; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -O3 < %s | FileCheck %s

target triple = "aarch64"

; Test that the compiler falls back to SelectionDAG ISel for an optnone function,
; so that the lazy-save is generated (currently not yet supported by GlobalISel).
define void @foo() noinline optnone "aarch64_new_za" "target-features"="+sme" {
; CHECK-LABEL: foo:
; CHECK:       // %bb.0:
; CHECK-NEXT:    str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    .cfi_offset w30, -16
; CHECK-NEXT:    mrs x8, TPIDR2_EL0
; CHECK-NEXT:    cbnz x8, .LBB0_1
; CHECK-NEXT:    b .LBB0_2
; CHECK-NEXT:  .LBB0_1:
; CHECK-NEXT:    bl __arm_tpidr2_save
; CHECK-NEXT:    msr TPIDR2_EL0, xzr
; CHECK-NEXT:    zero {za}
; CHECK-NEXT:    b .LBB0_2
; CHECK-NEXT:  .LBB0_2:
; CHECK-NEXT:    smstart za
; CHECK-NEXT:    bl bar
; CHECK-NEXT:    smstop za
; CHECK-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT:    ret
  call void @bar()
  ret void
}

declare void @bar() "aarch64_inout_za"