llvm/llvm/test/CodeGen/MIR/X86/undefined-value-in-memory-operand.mir

# RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s

--- |

  define i32 @test(ptr %a) {
  entry:
    %b = load i32, ptr %a
    ret i32 %b
  }

...
---
name:            test
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
body: |
  bb.0.entry:
    liveins: $rdi
  ; CHECK: [[@LINE+1]]:64: use of undefined IR value '%ir.c'
    $eax = MOV32rm killed $rdi, 1, _, 0, _ :: (load (s32) from %ir.c)
    RET64 $eax
...