llvm/llvm/test/CodeGen/AArch64/GlobalISel/observer-change-crash.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner %s -o - | FileCheck %s
--- |
  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
  target triple = "arm64-apple-ios5.0.0"

  define void @test() {
    ret void
  }

...
---
name:            test
alignment:       4
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
frameInfo:
  maxCallFrameSize: 0
body:             |
  bb.0:
    ; CHECK-LABEL: name: test
    ; CHECK: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
    ; CHECK: $x0 = COPY [[DEF]](p0)
    %0:_(p0) = G_IMPLICIT_DEF
    %1:_(p0) = COPY %0(p0)
    %2:_(p0) = COPY %1(p0)
    $x0 = COPY %2(p0)

...