llvm-project/llvm/test/CodeGen/AVR/pseudo/SEXT.mir

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

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

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

    ; CHECK-LABEL: test

    ; CHECK:      $r14 = MOVRdRr $r31
    ; CHECK-NEXT: $r15 = MOVRdRr $r31
    ; CHECK-NEXT: $r15 = ADDRdRr $r15, killed $r15, implicit-def $sreg
    ; CHECK-NEXT: $r15 = SBCRdRr killed $r15, killed $r15, implicit-def $sreg, implicit killed $sreg

    $r15r14 = SEXT $r31, implicit-def $sreg
...