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34 lines
1.0 KiB
34 lines
1.0 KiB
# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-i1-copies -o - %s | FileCheck -check-prefixes=GCN %s
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# GCN-LABEL: name: lcssa_phi
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---
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name: lcssa_phi
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tracksRegLiveness: true
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body: |
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bb.0:
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%0:sreg_64 = S_MOV_B64 0
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%8:vreg_1 = IMPLICIT_DEF
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%10:sreg_64 = IMPLICIT_DEF
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%11:sreg_64 = SI_IF %10, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.1
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bb.1:
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%1:sreg_64 = PHI %0, %bb.0, %3, %bb.1
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%2:sreg_64 = IMPLICIT_DEF
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%3:sreg_64 = SI_IF_BREAK %2, %1, implicit-def dead $scc
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%4:sreg_64 = IMPLICIT_DEF
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%5:vreg_1 = COPY %4
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SI_LOOP %3, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.2
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bb.2:
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%6:vreg_1 = PHI %5, %bb.1
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SI_END_CF %3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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bb.3:
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%7:vreg_1 = PHI %6, %bb.2, %8, %bb.0
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SI_END_CF %11, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_ENDPGM 0
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...
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