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1# RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -start-before=livevars -stop-after=twoaddressinstruction -verify-machineinstrs -o - %s 2>&1 | FileCheck %s2 3# CHECK: *** Bad machine code: LiveVariables: Block missing from AliveBlocks ***4# CHECK-NEXT: function: live_variables_update_block_split_split_def_before_si_end_cf_live_out5# CHECK-NEXT: basic block: %bb.46# CHECK-NEXT: Virtual register %8 must be live through the block.7 8 9# Same as10# live_variables_update_block_split_split_killed_def_before_si_end_cf,11# except the def before si_end_cf is live out of the block12---13name: live_variables_update_block_split_split_def_before_si_end_cf_live_out14tracksRegLiveness: true15body: |16 bb.0:17 liveins: $vgpr018 19 %0:vgpr_32 = COPY killed $vgpr020 %1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec21 %2:sreg_64_xexec = V_CMP_EQ_U32_e64 0, killed %0, implicit $exec22 %3:sreg_64_xexec = SI_IF %2, %bb.1, implicit-def $exec, implicit-def dead $scc, implicit $exec23 S_BRANCH %bb.324 25 bb.1:26 %4:sreg_64_xexec = PHI %5, %bb.3, %3, %bb.027 %6:vgpr_32 = PHI %7, %bb.3, %1, %bb.028 %8:sreg_64 = S_MOV_B64 129 SI_END_CF killed %4, implicit-def $exec, implicit-def dead $scc, implicit $exec30 %9:vgpr_32 = nsw V_ADD_U32_e32 1, killed %6, implicit $exec31 32 bb.2:33 S_NOP 0, implicit killed %834 35 bb.3:36 %10:vgpr_32 = PHI %9, %bb.2, %7, %bb.3, %1, %bb.037 GLOBAL_STORE_DWORD undef %11:vreg_64, %10, 0, 0, implicit $exec :: (volatile store (s32), addrspace 1)38 %7:vgpr_32 = COPY killed %1039 %5:sreg_64_xexec = SI_IF %2, %bb.1, implicit-def $exec, implicit-def dead $scc, implicit $exec40 S_BRANCH %bb.341 42...43