llvm-project/llvm/test/CodeGen/MIR/X86/expected-basic-block-at-start-of-body.mir

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

--- |

  define i32 @foo(i32 %a) {
  entry:
    %0 = icmp sle i32 %a, 10
    br i1 %0, label %less, label %exit

  less:                                             ; preds = %entry
    ret i32 0

  exit:                                             ; preds = %entry
    ret i32 %a
  }

...
---
name:            foo
tracksRegLiveness: true
liveins:
  - { reg: '%edi' }
body: |
  ; CHECK: [[@LINE+1]]:3: expected a basic block definition before instructions
  successors: %bb.1.less, %bb.2.exit
    liveins: %edi 44

    CMP32ri8 %edi, 10, implicit-def %eflags
    JG_1 %bb.2.exit, implicit killed %eflags

  bb.1.less:
    %eax = MOV32r0 implicit-def dead %eflags
    RETQ killed %eax

  bb.2.exit:
    liveins: %edi

    %eax = COPY killed %edi
    RETQ killed %eax
...