# RUN: llc -mtriple=x86_64-linux-gnu                       -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s
# RUN: llc -mtriple=x86_64-linux-gnu -regbankselect-greedy -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s

# This reproduces a pre-regbankselect GMIR where DBG_VALUE already carries a
# physical register. Regressions here used to crash when X86RegisterBankInfo
# queried LLT for non-vreg register operands.

--- |
  define void @foo() {
  entry:
    ret void
  }

  !0 = distinct !DISubprogram(name: "foo", type: !3)
  !1 = !DILocation(line: 1, column: 1, scope: !0)
  !2 = !{null}
  !3 = !DISubroutineType(types: !2)
...

---
name:            foo
legalized:       true
regBankSelected: false
body:             |
  bb.0:
    liveins: $rdi

    %0:_(p0) = COPY $rdi
    DBG_VALUE $rdi, $noreg, 0, 0, debug-location !1
    RET 0

...

# CHECK-LABEL: name: foo
# CHECK: %0:gpr(p0) = COPY $rdi
# CHECK: DBG_VALUE $rdi, $noreg, 0, 0