third_party/llvm-7.0/llvm/test/CodeGen/MIR/AArch64/cfi.mir

# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the cfi directives correctly.

--- |

  declare void @foo()

  define void @trivial_fp_func() {
  entry:
    call void @foo()
    ret void
  }

...
---
name:            trivial_fp_func
# CHECK-LABEL: name: trivial_fp_func
body: |
  bb.0.entry:
    ; CHECK: CFI_INSTRUCTION def_cfa $w29, 16
    frame-setup CFI_INSTRUCTION def_cfa $w29, 16
    ; CHECK: CFI_INSTRUCTION def_cfa_register $w29
    frame-setup CFI_INSTRUCTION def_cfa_register $w29
    ; CHECK: CFI_INSTRUCTION def_cfa_offset -8
    frame-setup CFI_INSTRUCTION def_cfa_offset -8
    ; CHECK: CFI_INSTRUCTION offset $w30, -8
    frame-setup CFI_INSTRUCTION offset $w30, -8
    ; CHECK: CFI_INSTRUCTION rel_offset $w30, -8
    frame-setup CFI_INSTRUCTION rel_offset $w30, -8
    ; CHECK: CFI_INSTRUCTION adjust_cfa_offset -8
    frame-setup CFI_INSTRUCTION adjust_cfa_offset -8
    CFI_INSTRUCTION restore $w30
    ; CHECK: CFI_INSTRUCTION restore $w30
    CFI_INSTRUCTION undefined $w30
    ; CHECK: CFI_INSTRUCTION undefined $w30
    CFI_INSTRUCTION same_value $w29
    ; CHECK: CFI_INSTRUCTION same_value $w29
    CFI_INSTRUCTION register $w20, $w30
    ; CHECK: CFI_INSTRUCTION register $w20, $w30
    CFI_INSTRUCTION remember_state
    ; CHECK: CFI_INSTRUCTION remember_state
    CFI_INSTRUCTION restore_state
    ; CHECK: CFI_INSTRUCTION restore_state
    CFI_INSTRUCTION escape 0x61, 0x62, 0x63
    ; CHECK: CFI_INSTRUCTION escape 0x61, 0x62, 0x63
    CFI_INSTRUCTION window_save
    ; CHECK: CFI_INSTRUCTION window_save
    RET_ReallyLR