llvm/test/CodeGen/AVR/pseudo/NEGWRd.mir

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

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

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

---
name:            test_negwrd
body: |
  bb.0.entry:

    ; CHECK-LABEL: test_negwrd

    ; CHECK:      $r15 = NEGRd $r15, implicit-def dead $sreg
    ; CHECK-NEXT: $r14 = NEGRd $r14
    ; CHECK-NEXT: $r15 = SBCIRdK $r15, 0, implicit-def $sreg, implicit killed $sreg

    $r15r14 = NEGWRd $r15r14, implicit-def $sreg
...