# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s

--- |
  define i32 @main() {
  entry:
    ret i32 0
  }
  
  declare i32 @printf(i8*, ...)
...
---
# CHECK-LABEL: name: main
name:            main
alignment:       2
exposesReturnsTwice: false
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:       
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: gpr }
  - { id: 4, class: gpr }
  - { id: 5, class: gpr }
  - { id: 6, class: gpr }
  - { id: 7, class: gpr }
  - { id: 8, class: gpr }
  - { id: 9, class: gpr }
  - { id: 10, class: gpr }
  - { id: 11, class: gpr }
  - { id: 12, class: gpr }
  - { id: 13, class: gpr }
  - { id: 14, class: gpr }
  - { id: 15, class: gpr }
frameInfo:       
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    8
  adjustsStack:    false
  hasCalls:        true
  maxCallFrameSize: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
# CHECK:     body:
# CHECK:       %1 = COPY %w0
# CHECK-NOT:   %2 = ORNWrr %wzr, %1
# CHECK:       %4 = EONWrr %1, %3
body:             |
  bb.1.entry:
    liveins: %w0
    %0(s32) = G_CONSTANT i32 -1
    %3(s32) = G_CONSTANT i32 1
    %1(s32) = COPY %w0
    %2(s32) = G_XOR %1, %0
    %4(s32) = G_XOR %2, %3
    %w0 = COPY %4(s32)
...