test/MachineVerifier/test_g_memcpy.mir

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

    %0:_(p0) = G_CONSTANT i64 0
    %1:_(p0) = G_CONSTANT i64 4
    %2:_(s64) = G_CONSTANT i64 4

    ; CHECK: *** Bad machine code: memcpy/memmove must have 2 memory operands ***
    G_MEMCPY %0, %1, %2, 0

    ; CHECK: *** Bad machine code: memcpy/memmove must have 2 memory operands ***
    G_MEMCPY %0, %1, %2, 0 :: (load (s32))

    ; CHECK: *** Bad machine code: memcpy/memmove must have 2 memory operands ***
    G_MEMCPY %0, %1, %2, 0 :: (store (s32))

    ; CHECK: *** Bad machine code: wrong memory operand types ***
    G_MEMCPY %0, %1, %2, 0 :: (load (s32)), (store (s32))

    ; CHECK: *** Bad machine code: inconsistent memory operand sizes ***
    G_MEMCPY %0, %1, %2, 0 :: (store (s64)), (load (s32))

    ; CHECK: *** Bad machine code: inconsistent memory operand sizes ***
    G_MEMCPY %0, %1, %2, 0 :: (store unknown-size), (load (s32))

    ; CHECK: *** Bad machine code: inconsistent memory operand sizes ***
    G_MEMCPY %0, %1, %2, 0 :: (store (s64)), (load unknown-size)

    ; CHECK: *** Bad machine code: inconsistent store address space ***
    G_MEMCPY %0, %1, %2, 0 :: (store (s32), addrspace 1), (load (s32))

    ; CHECK: *** Bad machine code: inconsistent load address space ***
    G_MEMCPY %0, %1, %2, 0 :: (store (s32)), (load (s32), addrspace 1)

    ; CHECK: *** Bad machine code: memory instruction operand must be a pointer ***
    G_MEMCPY %2, %0, %2, 0 :: (store (s32)), (load (s32))

    ; CHECK: *** Bad machine code: memory instruction operand must be a pointer ***
    G_MEMCPY %0, %2, %2, 0 :: (store (s32)), (load (s32))

    ; CHECK: *** Bad machine code: 'tail' flag (operand 3) must be an immediate 0 or 1 ***
    G_MEMCPY %0, %0, %2, %0 :: (store 4), (load 4)

    ; CHECK: *** Bad machine code: 'tail' flag (operand 3) must be an immediate 0 or 1 ***
    G_MEMCPY %0, %0, %2, 2 :: (store 4), (load 4)
...