# RUN: llc -o - %s -march=amdgcn -mcpu=fiji -run-pass=machine-cp -verify-machineinstrs | FileCheck -check-prefix=GCN %s # GCN-LABEL: dead_copy # GCN: bb.0 # GCN-NOT: dead $vgpr5 = COPY undef $vgpr11, implicit $exec # GCN: $vgpr5 = COPY $vgpr11, implicit $exec --- name: dead_copy body: | bb.0: liveins: $vgpr11, $sgpr0, $sgpr1, $vgpr6, $vgpr7, $vgpr4 dead $vgpr5 = COPY undef $vgpr11, implicit $exec $vgpr5 = COPY $vgpr11, implicit $exec $sgpr14 = S_ADD_U32 $sgpr0, target-flags(amdgpu-gotprel) 1136, implicit-def $scc $sgpr15 = S_ADDC_U32 $sgpr1, target-flags(amdgpu-gotprel32-lo) 0, implicit-def dead $scc, implicit $scc $vgpr10 = COPY killed $sgpr14, implicit $exec $vgpr11 = COPY killed $sgpr15, implicit $exec FLAT_STORE_DWORDX4 $vgpr10_vgpr11, $vgpr4_vgpr5_vgpr6_vgpr7, 0, 0, 0, 0, implicit $exec, implicit $flat_scr ...