1 # RUN: llc -o - %s -march=amdgcn -mcpu=fiji -run-pass=machine-cp -verify-machineinstrs | FileCheck -check-prefix=GCN %s 2 3 # GCN-LABEL: dead_copy 4 # GCN: bb.0 5 # GCN-NOT: dead $vgpr5 = COPY undef $vgpr11, implicit $exec 6 # GCN: $vgpr5 = COPY $vgpr11, implicit $exec 7 8 --- 9 name: dead_copy 10 11 body: | 12 13 bb.0: 14 liveins: $vgpr11, $sgpr0, $sgpr1, $vgpr6, $vgpr7, $vgpr4 15 16 dead $vgpr5 = COPY undef $vgpr11, implicit $exec 17 18 $vgpr5 = COPY $vgpr11, implicit $exec 19 20 $sgpr14 = S_ADD_U32 $sgpr0, target-flags(amdgpu-gotprel) 1136, implicit-def $scc 21 $sgpr15 = S_ADDC_U32 $sgpr1, target-flags(amdgpu-gotprel32-lo) 0, implicit-def dead $scc, implicit $scc 22 23 $vgpr10 = COPY killed $sgpr14, implicit $exec 24 $vgpr11 = COPY killed $sgpr15, implicit $exec 25 26 FLAT_STORE_DWORDX4 $vgpr10_vgpr11, $vgpr4_vgpr5_vgpr6_vgpr7, 0, 0, 0, implicit $exec, implicit $flat_scr 27 ... 28
