test/CodeGen/X86/cfi-inserter-callee-save-register.mir

# RUN: llc -o - %s -mtriple=x86_64-- -verify-cfiinstrs \
# RUN:     -run-pass=cfi-instr-inserter 2>&1 | FileCheck %s
# Test that CFI inserter inserts .cfi_restore properly for
# callee saved registers.
--- |
  define void @foo() {
    ret void
  }
...
---
# CHECK:      bb.3:
# CHECK:      CFI_INSTRUCTION restore $rbx
# CHECK-NEXT: CFI_INSTRUCTION restore $rbp
name:            foo
body:             |
  bb.0:
    TEST8rr renamable $dil, renamable $dil, implicit-def $eflags, implicit killed $edi
    JCC_1 %bb.2, 5, implicit killed $eflags

  bb.1:
    JMP_1 %bb.3

  bb.2:
    CFI_INSTRUCTION def_cfa_offset 16
    CFI_INSTRUCTION offset $rbp, -16
    CFI_INSTRUCTION def_cfa_register $rbp
    CFI_INSTRUCTION offset $rbx, -24
    CFI_INSTRUCTION def_cfa $rsp, 8
    RET 0, $rax

  bb.3:
    RET 0, $rax

...