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      1 # RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
      2 # This test ensures that the MIR parser parses the .cfi_def_cfa_register
      3 # operands correctly.
      4 
      5 --- |
      6 
      7   define void @func() #0 {
      8   entry:
      9     unreachable
     10   }
     11 
     12   attributes #0 = { "no-frame-pointer-elim"="true" }
     13 
     14 ...
     15 ---
     16 name:            func
     17 tracksRegLiveness: true
     18 frameInfo:
     19   stackSize:     8
     20 fixedStack:
     21   - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16 }
     22 body: |
     23   bb.0.entry:
     24     liveins: %rbp
     25 
     26     PUSH64r killed %rbp, implicit-def %rsp, implicit %rsp
     27     CFI_INSTRUCTION .cfi_def_cfa_offset 16
     28     CFI_INSTRUCTION .cfi_offset %rbp, -16
     29     %rbp = MOV64rr %rsp
     30     ; CHECK: CFI_INSTRUCTION .cfi_def_cfa_register %rbp
     31     CFI_INSTRUCTION .cfi_def_cfa_register %rbp
     32 ...
     33