42 lines
1.6 KiB
YAML
42 lines
1.6 KiB
YAML
# RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -start-before=livevars -stop-after=twoaddressinstruction -verify-machineinstrs -o - %s 2>&1 | FileCheck %s
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# CHECK: *** Bad machine code: LiveVariables: Block missing from AliveBlocks ***
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# CHECK-NEXT: function: live_variables_update_block_split_split_def_before_si_end_cf_live_out
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# CHECK-NEXT: basic block: %bb.4
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# CHECK-NEXT: Virtual register %8 must be live through the block.
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# Same as
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# live_variables_update_block_split_split_killed_def_before_si_end_cf,
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# except the def before si_end_cf is live out of the block
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---
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name: live_variables_update_block_split_split_def_before_si_end_cf_live_out
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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%0:vgpr_32 = COPY killed $vgpr0
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%1:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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%2:sreg_64_xexec = V_CMP_EQ_U32_e64 0, killed %0, implicit $exec
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%3:sreg_64_xexec = SI_IF %2, %bb.1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.3
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bb.1:
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%4:sreg_64_xexec = PHI %5, %bb.3, %3, %bb.0
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%6:vgpr_32 = PHI %7, %bb.3, %1, %bb.0
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%8:sreg_64 = S_MOV_B64 1
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SI_END_CF killed %4, implicit-def $exec, implicit-def dead $scc, implicit $exec
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%9:vgpr_32 = nsw V_ADD_U32_e32 1, killed %6, implicit $exec
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bb.2:
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S_NOP 0, implicit killed %8
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bb.3:
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%10:vgpr_32 = PHI %9, %bb.2, %7, %bb.3, %1, %bb.0
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GLOBAL_STORE_DWORD undef %11:vreg_64, %10, 0, 0, implicit $exec :: (volatile store (s32), addrspace 1)
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%7:vgpr_32 = COPY killed %10
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%5:sreg_64_xexec = SI_IF %2, %bb.1, implicit-def $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.3
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...
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