llvm/llvm/test/CodeGen/AArch64/cfi_restore.mir

# RUN: llc -mtriple=aarch64-- -start-after prologepilog -o - %s | FileCheck %s
---
name:            fun
# CHECK: .cfi_startproc
tracksRegLiveness: true
frameInfo:
  stackSize:       16
  maxAlignment:    8
  hasCalls:        true
stack:
  - { id: 0, type: spill-slot, offset: -8, size: 8, alignment: 8, stack-id: default,
      callee-saved-register: '$lr' }
  - { id: 1, type: spill-slot, offset: -16, size: 8, alignment: 8, stack-id: default,
      callee-saved-register: '$fp' }
body:             |
  bb.0:
    liveins: $fp, $lr

    $sp = frame-setup SUBXri $sp, 16, 0
    frame-setup STRXui killed $fp, $sp, 0 :: (store (s64) into %stack.1)
    frame-setup CFI_INSTRUCTION offset $w29, -16
    ; CHECK: .cfi_offset w29, -16
    frame-setup STRXui killed $lr, $sp, 1 :: (store (s64) into %stack.0)
    frame-setup CFI_INSTRUCTION offset $w30, -8
    ; CHECK: .cfi_offset w30, -8
    $fp = frame-setup ADDXri $sp, 0, 0
    frame-setup CFI_INSTRUCTION def_cfa $w29, 16
    $lr = LDRXui $sp, 1 :: (load (s64) from %stack.0)
    CFI_INSTRUCTION restore $w30
    ; CHECK: .cfi_restore w30
    $fp = LDRXui $sp, 0 :: (load (s64) from %stack.1)
    CFI_INSTRUCTION restore $w29
    ; CHECK: .cfi_restore w29
    $sp = ADDXri $sp, 16, 0
    RET_ReallyLR
    ; CHECK: .cfi_endproc
...