llvm/test/MachineVerifier/test_g_trunc.mir

# RUN: not --crash llc -o - -march=arm64 -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target

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

    ; CHECK: Bad machine code: Too few operands
    %0:_(s32) = G_TRUNC

    %1:_(s64) = G_IMPLICIT_DEF

    ; CHECK: Bad machine code: Too few operands
    ; CHECK: Bad machine code: Explicit definition marked as use
    G_TRUNC %1

...