1# RUN: llc -march=amdgcn -mcpu=gfx1010 -start-before=greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s 2... 3# GCN-LABEL: {{^}}"subvector-basic-bb" 4# GCN: s_subvector_loop_begin [[RS:s[0-9]]], BB0_2 5# GCN: s_subvector_loop_end [[RS]], BB0_1 6name: subvector-basic-bb 7tracksRegLiveness: true 8machineFunctionInfo: 9 scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 10 frameOffsetReg: $sgpr5 11 stackPtrOffsetReg: $sgpr32 12body: | 13 bb.0: 14 liveins: $sgpr0_sgpr1 15 successors: %bb.1, %bb.2 16 17 %1:sgpr_64 = COPY $sgpr0_sgpr1 18 %4:sgpr_128 = S_LOAD_DWORDX4_IMM %1, 36, 0, 0 19 %11:sreg_64_xexec = S_LOAD_DWORDX2_IMM %4.sub2_sub3, 0, 0, 0 20 undef %15.sub0:vreg_64 = COPY %4.sub0 21 %15.sub1:vreg_64 = COPY %4.sub1 22 %16:vgpr_32 = COPY %1.sub0 23 S_SUBVECTOR_LOOP_BEGIN %bb.2, undef %19:sreg_32, implicit-def $exec, implicit $exec, implicit-def %19 24 25 bb.1: 26 successors: %bb.1, %bb.2 27 28 %14:sreg_32_xm0 = S_ADD_I32 %11.sub0, %11.sub1, implicit-def dead $scc 29 %16:vgpr_32 = COPY %14 30 S_SUBVECTOR_LOOP_END %bb.1, %19:sreg_32, implicit-def $exec, implicit $exec, implicit-def %19 31 32 bb.2: 33 34 GLOBAL_STORE_DWORD %15, %16, 0, 0, 0, 0, implicit $exec 35 S_ENDPGM 0 36... 37