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1# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -start-before=greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s2# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -start-before=greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s3...4# GCN-LABEL: {{^}}"subvector-basic-bb"5# GCN: s_subvector_loop_begin [[RS:s[0-9]]], .LBB0_26# GCN: s_subvector_loop_end [[RS]], .LBB0_17name: subvector-basic-bb8tracksRegLiveness: true9machineFunctionInfo:10 scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr311 frameOffsetReg: $sgpr512 stackPtrOffsetReg: $sgpr3213body: |14 bb.0:15 liveins: $sgpr0_sgpr116 successors: %bb.1, %bb.217 18 %1:sgpr_64 = COPY $sgpr0_sgpr119 %4:sgpr_128 = S_LOAD_DWORDX4_IMM %1, 36, 020 %11:sreg_64_xexec = S_LOAD_DWORDX2_IMM %4.sub2_sub3, 0, 021 undef %15.sub0:vreg_64 = COPY %4.sub022 %15.sub1:vreg_64 = COPY %4.sub123 %16:vgpr_32 = COPY %1.sub024 S_SUBVECTOR_LOOP_BEGIN %bb.2, undef %19:sreg_32, implicit-def $exec, implicit $exec, implicit-def %1925 26 bb.1:27 successors: %bb.1, %bb.228 29 %14:sreg_32_xm0 = S_ADD_I32 %11.sub0, %11.sub1, implicit-def dead $scc30 %16:vgpr_32 = COPY %1431 S_SUBVECTOR_LOOP_END %bb.1, %19:sreg_32, implicit-def $exec, implicit $exec, implicit-def %1932 33 bb.2:34 35 GLOBAL_STORE_DWORD %15, %16, 0, 0, implicit $exec36 S_ENDPGM 037...38