# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that an error is reported when a register operand doesn't
# follow register flags.

--- |

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

...
---
name:            foo
body:
 - id:           0
   name:         entry
   instructions:
     # CHECK: [[@LINE+1]]:37: expected a register after register flags
     - '%eax = MOV32r0 implicit-def 2'
     - 'RETQ %eax'
...