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1# RUN: llc -mtriple=x86_64-unknown-linux-gnu -run-pass=machine-cp %s -o - | FileCheck %s2 3# Machine copy propagation can remove dead copies. Make sure that the4# DBG_VALUE does not keep the copy alive.5#6# CHECK-NOT: $ebx = COPY $eax7 8--- |9 define void @fred() {10 ret void11 }12...13 14---15name: fred16tracksRegLiveness: true17body: |18 bb.0:19 liveins: $eax20 $ebx = COPY $eax21 DBG_VALUE $ebx, _22...23