# RUN: llc -O0 -run-pass=avr-relax-mem %s -o - | FileCheck %s

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

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

    ; CHECK-LABEL: test

    ; We shouldn't expand things which already have 6-bit imms.
    ; CHECK: STDWPtrQRr $r29r28, 63, $r1r0
    STDWPtrQRr $r29r28, 63, $r1r0

    ; We shouldn't expand things which already have 6-bit imms.
    ; CHECK-NEXT: STDWPtrQRr $r29r28, 0, $r1r0
    STDWPtrQRr $r29r28, 0, $r1r0

    ; CHECK-NEXT: PUSHWRr $r29r28, implicit-def $sp, implicit $sp
    ; CHECK-NEXT: $r29r28 = SBCIWRdK $r29r28, -64, implicit-def $sreg, implicit $sreg
    ; CHECK-NEXT: STWPtrRr $r29r28, $r1r0
    ; CHECK-NEXT: POPWRd $r29r28, implicit-def $sp, implicit $sp
    STDWPtrQRr $r29r28, 64, $r1r0
...