llvm/test/MachineVerifier/test_g_bzero.mir

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

---
name: test_bzero
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))
...