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      1 # RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
      2 # This test ensures that the MIR parser parses the cfi offset operands
      3 # correctly.
      4 
      5 --- |
      6 
      7   declare void @foo(i32)
      8 
      9   define i32 @test(i32 %a, i32 %b, i32 %c, i32 %d) {
     10   entry:
     11     %add = add nsw i32 %b, %a
     12     %add1 = add nsw i32 %add, %c
     13     %add2 = add nsw i32 %add1, %d
     14     tail call void @foo(i32 %add2)
     15     %add6 = add nsw i32 %add2, %add2
     16     ret i32 %add6
     17   }
     18 
     19 ...
     20 ---
     21 name:            test
     22 tracksRegLiveness: true
     23 frameInfo:
     24   stackSize:       8
     25   adjustsStack:    true
     26   hasCalls:        true
     27 fixedStack:
     28   - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16 }
     29 body: |
     30   bb.0.entry:
     31     liveins: $ecx, $edi, $edx, $esi, $rbx
     32 
     33     PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
     34     CFI_INSTRUCTION def_cfa_offset 16
     35     ; CHECK: CFI_INSTRUCTION offset $rbx, -16
     36     CFI_INSTRUCTION offset $rbx, -16
     37     $ebx = COPY $edi, implicit-def $rbx
     38     $ebx = ADD32rr $ebx, killed $esi, implicit-def dead $eflags
     39     $ebx = ADD32rr $ebx, killed $edx, implicit-def dead $eflags
     40     $ebx = ADD32rr $ebx, killed $ecx, implicit-def dead $eflags
     41     $edi = COPY $ebx
     42     CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $edi, implicit-def $rsp
     43     $eax = LEA64_32r killed $rbx, 1, $rbx, 0, _
     44     $rbx = POP64r implicit-def $rsp, implicit $rsp
     45     RETQ $eax
     46 ...
     47 
     48