llvm/test/CodeGen/MIR/Generic/machine-basic-block-unknown-name.mir

# RUN: not llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that an error is reported whenever the MIR parser can't find
# a basic block with the machine basis block's name.

--- |

  define i32 @foo() {
  entry:
    ret i32 0
  }

...
---
name:            foo
body:
  # CHECK: [[@LINE+2]]:18: basic block 'entrie' is not defined in the function 'foo'
  - id:          0
    name:        entrie
...