# RUN: not --crash llc -mtriple=aarch64-unknown-unknown -verify-machineinstrs -run-pass=legalizer %s -o - 2>&1 | FileCheck %s
# CHECK: LLVM ERROR: unable to legalize instruction: %ctpop:_(s32) = G_CTPOP %copy:_(s32) (in function: s32)
--- |
  define void @s32() noimplicitfloat { unreachable }
  define void @s64() noimplicitfloat { unreachable }
...
---
name:            s32
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0
    %copy:_(s32) = COPY $w0
    %ctpop:_(s32) = G_CTPOP %copy(s32)
    $w0 = COPY %ctpop(s32)
    RET_ReallyLR implicit $w0