test/MachineVerifier/verify-regbankselected-dbg-undef-use.mir

# RUN: not --crash llc -verify-machineinstrs -run-pass none -o /dev/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 @regbankselected_notrack() { ret void }
  define void @regbankselected_track() { ret void }

...

---
name: regbankselected_notrack
regBankSelected: true
tracksDebugUserValues: false
registers:
  - { id: 0, class: _ }
body: |
  bb.0:
   ; CHECK-NOT: function: regbankselected_notrack
   DBG_VALUE %0(s64), $noreg, $noreg, $noreg, $noreg
...

---
name: regbankselected_track
regBankSelected: true
tracksDebugUserValues: true
registers:
  - { id: 0, class: _ }
body: |
  bb.0:
   ; CHECK: *** Bad machine code: Generic virtual register must have a bank in a RegBankSelected function ***
   ; CHECK: function: regbankselected_track
   ; CHECK: instruction: DBG_VALUE %0:_
   ; CHECK: operand 0: %0
   DBG_VALUE %0(s64), $noreg, $noreg, $noreg, $noreg
...