File: subreg-on-physreg.mir

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# RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that an error is reported for subreg index on a physreg.
--- |
  define void @t() { ret void }
...
---
name: t
body: |
  bb.0:
    ; CHECK: [[@LINE+1]]:19: subregister index expects a virtual register
    $eax.sub_8bit = COPY $bl
...