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1# RUN: not llc -o /dev/null %s -mtriple=x86_64 -run-pass none 2>&1 | FileCheck %s2# This test ensures that an error is reported for specifying the register class3# of a physical register.4--- |5 define void @t() { ret void }6...7---8name: t9body: |10 bb.0:11 ; CHECK: [[@LINE+1]]:10: register class specification expects a virtual register12 $eax : gr32 = COPY $rdx13...14