# RUN: llc -O0 -run-pass=avr-expand-pseudo %s -o - | FileCheck %s

# This test checks the expansion of the 16-bit subtraction pseudo instruction.

--- |
  target triple = "avr--"
  define void @test_subiwrdrr() {
  entry:
    ret void
  }
...

---
name:            test_subiwrdrr
body: |
  bb.0.entry:
    liveins: $r21r20

    ; CHECK-LABEL: test_subiwrdrr

    ; CHECK:      $r20 = SUBIRdK $r20, 175, implicit-def $sreg
    ; CHECK-NEXT: $r21 = SBCIRdK $r21, 250, implicit-def $sreg, implicit killed $sreg

    $r21r20 = SUBIWRdK $r21r20, 64175, implicit-def $sreg
...