1# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -start-before=greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s 2# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -start-before=greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s 3... 4# GCN-LABEL: {{^}}"subvector-basic-bb" 5# GCN: s_subvector_loop_begin [[RS:s[0-9]]], .LBB0_2 6# GCN: s_subvector_loop_end [[RS]], .LBB0_1 7name: subvector-basic-bb 8tracksRegLiveness: true 9machineFunctionInfo: 10 scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 11 frameOffsetReg: $sgpr5 12 stackPtrOffsetReg: $sgpr32 13body: | 14 bb.0: 15 liveins: $sgpr0_sgpr1 16 successors: %bb.1, %bb.2 17 18 %1:sgpr_64 = COPY $sgpr0_sgpr1 19 %4:sgpr_128 = S_LOAD_DWORDX4_IMM %1, 36, 0 20 %11:sreg_64_xexec = S_LOAD_DWORDX2_IMM %4.sub2_sub3, 0, 0 21 undef %15.sub0:vreg_64 = COPY %4.sub0 22 %15.sub1:vreg_64 = COPY %4.sub1 23 %16:vgpr_32 = COPY %1.sub0 24 S_SUBVECTOR_LOOP_BEGIN %bb.2, undef %19:sreg_32, implicit-def $exec, implicit $exec, implicit-def %19 25 26 bb.1: 27 successors: %bb.1, %bb.2 28 29 %14:sreg_32_xm0 = S_ADD_I32 %11.sub0, %11.sub1, implicit-def dead $scc 30 %16:vgpr_32 = COPY %14 31 S_SUBVECTOR_LOOP_END %bb.1, %19:sreg_32, implicit-def $exec, implicit $exec, implicit-def %19 32 33 bb.2: 34 35 GLOBAL_STORE_DWORD %15, %16, 0, 0, implicit $exec 36 S_ENDPGM 0 37... 38