llvm/test/MachineVerifier/test_g_bswap.mir

#RUN: not --crash llc -mtriple=aarch64 -o - -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target

---
name:            test_bswap
legalized:       true
regBankSelected: false
selected:        false
tracksRegLiveness: true
liveins:
body:             |
  bb.0:

    %0:_(s17) = G_CONSTANT i32 17

    ; CHECK: Bad machine code: G_BSWAP size must be a multiple of 16 bits
    %1:_(s17) = G_BSWAP %0

...