llvm/test/MachineVerifier/verify-selected-dbg-undef-use.mir

# RUN: not --crash llc -run-pass=none -filetype=null %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target

--- |

  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64--"
  define void @selected_notrack() { ret void }
  define void @selected_track() { ret void }

...

---
name: selected_notrack
regBankSelected: true
selected: true
tracksDebugUserValues: false
registers:
  - { id: 0, class: _ }
body: |
  bb.0:
   ; CHECK-NOT: function: selected_notrack
   DBG_VALUE %0, $noreg, $noreg, $noreg, $noreg
...

---
name: selected_track
regBankSelected: true
selected: true
tracksDebugUserValues: true
registers:
  - { id: 0, class: _ }
body: |
  bb.0:
   ; CHECK: Bad machine code: Generic virtual register invalid in a Selected function
   ; CHECK: function: selected_track
   ; CHECK: instruction: DBG_VALUE %0:_
   ; CHECK: operand 0: %0
   DBG_VALUE %0, $noreg, $noreg, $noreg, $noreg
...