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19 lines
862 B
YAML
19 lines
862 B
YAML
# RUN: llc -march=amdgcn -mcpu=tonga %s -start-before detect-dead-lanes -stop-before machine-scheduler -verify-machineinstrs -o - | FileCheck -check-prefix=GCN %s
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# GCN-LABEL: name: dead_lane
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# GCN: bb.0:
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# GCN-NEXT: undef %3.sub0:vreg_64 = V_MAC_F32_e32 undef %1:vgpr_32, undef %1:vgpr_32, undef %3.sub0, implicit $exec
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# GCN-NEXT: FLAT_STORE_DWORD undef %4:vreg_64, %3.sub0,
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---
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name: dead_lane
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tracksRegLiveness: true
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body: |
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bb.0:
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%1:vgpr_32 = V_MAC_F32_e32 undef %0:vgpr_32, undef %0:vgpr_32, undef %0:vgpr_32, implicit $exec
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%2:vgpr_32 = V_MAC_F32_e32 undef %0:vgpr_32, undef %0:vgpr_32, undef %0:vgpr_32, implicit $exec
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%3:vreg_64 = REG_SEQUENCE %1:vgpr_32, %subreg.sub0, %2:vgpr_32, %subreg.sub1
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FLAT_STORE_DWORD undef %4:vreg_64, %3.sub0, 0, 0, 0, 0, implicit $exec, implicit $flat_scr
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S_ENDPGM 0
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...
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