llvm/test/CodeGen/MIR/X86/unknown-metadata-keyword.mir

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

--- |
  define i32 @inc(i32* %x) {
  entry:
    %0 = load i32, i32* %x
    %1 = add i32 %0, 1
    store i32 %1, i32* %x
    ret i32 %1
  }
...
---
name:            inc
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
body: |
  bb.0.entry:
    liveins: $rdi
  ; CHECK: [[@LINE+1]]:64: use of unknown metadata keyword '!tba'
    $eax = MOV32rm $rdi, 1, _, 0, _ :: (load (s32) from %ir.x, !tba !0)
    $eax = INC32r killed $eax, implicit-def dead $eflags
    MOV32mr killed $rdi, 1, _, 0, _, $eax :: (store (s32) into %ir.x)
    RET64 $eax
...