llvm/test/MachineVerifier/test_g_bzero.mir

#RUN: not --crash llc -o - -march=arm64 -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target
---
name:            test_bzero
legalized:       true
regBankSelected: false
selected:        false
tracksRegLiveness: true
liveins:
body:             |
  bb.0:

    %ptr:_(p0) = G_IMPLICIT_DEF
    %cst1:_(s64) = G_CONSTANT i64 4
    %cst2:_(s8) = G_CONSTANT i8 7

    ; CHECK: *** Bad machine code: bzero must have 1 memory operand ***
    G_BZERO %ptr, %cst2, 0

    ; CHECK: *** Bad machine code: bzero memory operand must be a store ***
    G_BZERO %ptr, %cst2, 0 :: (load (s32))

    ; CHECK: *** Bad machine code: Missing mayLoad flag ***
    ; CHECK: *** Bad machine code: bzero memory operand must be a store ***
    G_BZERO %ptr, %cst2, 0 :: (load store (s32))

    ; CHECK: *** Bad machine code: inconsistent bzero address space ***
    G_BZERO %ptr, %cst2, 0 :: (store (s32), addrspace 1)

    ; CHECK: *** Bad machine code: bzero operand must be a pointer ***
    G_BZERO %cst1, %cst2, 0 :: (store (s32))

    ; CHECK: *** Bad machine code: 'tail' flag (last operand) must be an immediate 0 or 1 ***
    G_BZERO %ptr, %cst2, 2 :: (store (s32))
...