| #RUN: not --crash llc -o - -global-isel -mtriple=aarch64 -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s |
| # REQUIRES: aarch64-registered-target |
| %0:_(<2 x s32>) = IMPLICIT_DEF |
| %1:_(<2 x s32>) = IMPLICIT_DEF |
| ; CHECK: Bad machine code: G_CONCAT_VECTOR num dest and source elements should match |
| %2:_(<2 x s32>) = G_CONCAT_VECTORS %0, %1 |
| ; CHECK: Bad machine code: G_CONCAT_VECTOR requires at least 2 source operands |
| %3:_(<2 x s32>) = G_CONCAT_VECTORS %1 |
| ; CHECK: *** Bad machine code: Explicit definition marked as use *** |