llvm/llvm/test/CodeGen/MIR/AArch64/machine-metadata-error.mir

# RUN: not llc -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that the MIR parser detects errors when parsing machine
# metadata.
--- |
  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64-unknown-linux-gnu"

  define i32 @test_memcpy(ptr nocapture %p, ptr nocapture readonly %q) {
    ret i32 0
  }
...
---
name:            test_memcpy
machineMetadataNodes:
  - '!9 = distinct !{!9, !7, !"Dst"}'
  - '!10 = !{!9}'
  - '!6 = distinct !{!6, !7, !"Src"}'
  - '!5 = !{!6}'
  - '!7 = distinct !{!7, !"MemcpyLoweringDomain"}'
body:             |
  bb.0 (%ir-block.0):
  ; CHECK: [[@LINE+1]]:78: use of undefined metadata '!11'
    %2:fpr128 = LDRQui %0, 1 :: (load 16, align 4, !alias.scope !5, !noalias !11)

...