llvm/test/MachineVerifier/test_g_constant.mir

#RUN: not --crash llc -march=aarch64 -o /dev/null -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: global-isel, aarch64-registered-target

---
name:            test_constant
legalized:       true
regBankSelected: false
selected:        false
tracksRegLiveness: true
liveins:
body:             |
  bb.0:
   ; CHECK: Bad machine code: Instruction cannot use a vector result type
   ; CHECK: Bad machine code: inconsistent constant size
    %0:_(<2 x s32>) = G_CONSTANT i32 0

    ; CHECK: Bad machine code: Too few operands
    %1:_(s32) = G_CONSTANT

    ; Not a cimm
    ; CHECK: Bad machine code:  G_CONSTANT operand must be cimm
    %2:_(s32) = G_CONSTANT 0

    ; Not a cimm
    ; CHECK: Bad machine code:  G_CONSTANT operand must be cimm
    %3:_(s32) = G_CONSTANT float 1.0

    ;  Size is bigger than result
    ; CHECK: Bad machine code: inconsistent constant size
    %4:_(s32) = G_CONSTANT i64 0

    ; Size is smaller than result
    ; CHECK: Bad machine code: inconsistent constant size
    %4:_(s32) = G_CONSTANT i16 0

    ; CHECK: Bad machine code: inconsistent constant size
    %5:_(p0) = G_CONSTANT i32 0

    ; CHECK: Bad machine code: inconsistent constant size
    %6:_(p0) = G_CONSTANT i128 0

...