1 # RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
2 # This test ensures that an error is reported for subreg index on a physreg.
4 define void @t() { ret void }
10 ; CHECK: [[@LINE+1]]:19: subregister index expects a virtual register
11 $eax.sub_8bit = COPY $bl