llvm/test/CodeGen/MIR/X86/cfi-def-cfa-offset.mir


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# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the cfi offset operands
# correctly.

--- |

  define void @test() {
  entry:
    %tmp = alloca [4168 x i8], align 4
    ret void
  }

...
---
name:            test
tracksRegLiveness: true
frameInfo:
  stackSize:       4040
stack:
  - { id: 0, name: tmp, offset: -4176, size: 4168, alignment: 4 }
body: |
  bb.0.entry:
    $rsp = SUB64ri32 $rsp, 4040, implicit-def dead $eflags
    ; CHECK: CFI_INSTRUCTION def_cfa_offset 4048
    CFI_INSTRUCTION def_cfa_offset 4048
    $rsp = ADD64ri32 $rsp, 4040, implicit-def dead $eflags
    RET64
...