test/CodeGen/MIR/X86/cfi-def-cfa-register.mir

# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the cfi def_cfa_register
# operands correctly.

--- |

  define void @func() #0 {
  entry:
    unreachable
  }

  attributes #0 = { "frame-pointer"="all" }

...
---
name:            func
tracksRegLiveness: true
frameInfo:
  stackSize:     8
fixedStack:
  - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16 }
body: |
  bb.0.entry:
    liveins: $rbp

    PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp
    CFI_INSTRUCTION def_cfa_offset 16
    CFI_INSTRUCTION offset $rbp, -16
    $rbp = MOV64rr $rsp
    ; CHECK: CFI_INSTRUCTION def_cfa_register $rbp
    CFI_INSTRUCTION def_cfa_register $rbp
...