third_party/llvm-7.0/llvm/test/CodeGen/AVR/pseudo/LDDWRdYQ.mir

# RUN: llc -O0  %s -o - -march=avr | FileCheck %s

# This test checks the expansion of the 16-bit 'LDDWRdYQ instruction

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

---
name:            test_lddwrdyq
tracksRegLiveness: true
body: |
  bb.0.entry:

    ; CHECK-LABEL: test_lddwrdyq

    ; CHECK:      ldd     r30, Y+1
    ; CHECK-NEXT: ldd     r31, Y+2

    early-clobber $r31r30 = LDDWRdYQ undef $r29r28, 1
...