test/MachineVerifier/test_g_merge_values.mir

# RUN: not --crash llc -o - -mtriple=arm64 -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target
---
name:            g_merge_values
tracksRegLiveness: true
liveins:
body:             |
  bb.0:
    %0:_(s32) = IMPLICIT_DEF
    %1:_(s32) = IMPLICIT_DEF
    %2:_(<2 x s32>) = IMPLICIT_DEF
    %3:_(<2 x s32>) = IMPLICIT_DEF

    ; CHECK: Bad machine code: G_MERGE_VALUES cannot operate on vectors
    %4:_(<4 x s32>) = G_MERGE_VALUES %2, %3

    ; CHECK: Bad machine code: G_MERGE_VALUES result size is inconsistent
    %5:_(s64) = G_MERGE_VALUES %0

    ; CHECK: Bad machine code: G_MERGE_VALUES result size is inconsistent
    %6:_(s64) = G_MERGE_VALUES %0, %1, %1

    %7:_(s16) = IMPLICIT_DEF

    ; CHECK: Bad machine code: G_MERGE_VALUES source types do not match
    %8:_(s64) = G_MERGE_VALUES %0, %7

...