# RUN: not llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s

--- |

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

...
---
name:            foo
body:
  # CHECK: redefinition of machine basic block with id #0
  - id:       0
  - id:       0
...