llvm/test/MachineVerifier/test_g_memcpy.mir

# RUN: not --crash llc -mtriple=aarch64 -run-pass=none -filetype=null %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target

---
name: test_memcpy
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)
...