File: LDWRdPtr.mir

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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# RUN: llc -O0 -run-pass=avr-expand-pseudo %s -o - | FileCheck %s
# RUN: llc -O0 -run-pass=avr-expand-pseudo -mattr=avrtiny %s -o - | FileCheck %s --check-prefix=CHECK-TINY

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

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

---
name:            test_ldwrdptr
body: |
  bb.0.entry:
    liveins: $r31r30

    ; CHECK-LABEL: test_ldwrdptr

    ; CHECK:               $r0 = LDRdPtr $r31r30
    ; CHECK-NEXT:          $r1 = LDDRdPtrQ $r31r30, 1

    ; CHECK-TINY:      $r0, $r31r30 = LDRdPtrPi killed $r31r30
    ; CHECK-TINY-NEXT: $r1, $r31r30 = LDRdPtrPi killed $r31r30
    ; CHECK-TINY-NEXT: $r30 = SUBIRdK $r30, 2, implicit-def $sreg
    ; CHECK-TINY-NEXT: $r31 = SBCIRdK $r31, 0, implicit-def $sreg, implicit killed $sreg

    $r1r0 = LDWRdPtr $r31r30
...