llvm-project/llvm/test/CodeGen/MIR/X86/stack-object-invalid-name.mir

# RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that the MIR parser reports an error when it encounters a
# stack object with a name that can't be associated with an alloca instruction.

--- |

  define i32 @test(i32 %a) {
  entry:
    %b = alloca i32
    store i32 %a, i32* %b
    %c = load i32, i32* %b
    ret i32 %c
  }

...
---
name:            test
frameInfo:
  maxAlignment:  4
stack:
  # CHECK: [[@LINE+1]]:20: alloca instruction named 'x' isn't defined in the function 'test'
  - { id: 0, name: x, offset: -12, size: 4, alignment: 4 }
body: |
  bb.0.entry:
    MOV32mr $rsp, 1, _, -4, _, $edi
    $eax = MOV32rm $rsp, 1, _, -4, _
    RETQ $eax
...