llvm-project/llvm/test/CodeGen/MIR/AMDGPU/mfi-parse-error-stack-ptr-offset-reg.mir

# RUN: not llc -march=amdgcn -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
---
name: empty_stack_ptr_offset_reg
machineFunctionInfo:
  stackPtrOffsetReg:  ''
# CHECK: :[[@LINE-1]]:{{[0-9]+}}: expected a named register
body:             |
  bb.0:

    S_ENDPGM  
...