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llvm-project/llvm/test/CodeGen/AMDGPU/endpgm-dce.mir

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# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-optimize-exec-masking-pre-ra %s -o - | FileCheck -check-prefix=GCN %s
# GCN-LABEL: name: kill_all
# GCN: bb.0:
# GCN-NEXT: S_ENDPGM
name: kill_all
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sgpr_32 }
- { id: 4, class: sgpr_32 }
body: |
bb.0:
%vcc = IMPLICIT_DEF
%0 = IMPLICIT_DEF
%3 = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
%1 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 4)
%2 = V_ADD_F32_e64 0, killed %1, 0, 1, 0, 0, implicit %exec
%4 = S_ADD_U32 %3, 1, implicit-def %scc
S_ENDPGM
...
---
# GCN-LABEL: name: load_without_memoperand
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: dead %1:vgpr_32 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit %exec, implicit %flat_scr
# GCN-NEXT: S_ENDPGM
name: load_without_memoperand
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sgpr_32 }
- { id: 4, class: sgpr_32 }
body: |
bb.0:
%vcc = IMPLICIT_DEF
%0 = IMPLICIT_DEF
%3 = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
%1 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit %exec, implicit %flat_scr
%2 = V_ADD_F32_e64 0, killed %1, 0, 1, 0, 0, implicit %exec
%4 = S_ADD_U32 %3, 1, implicit-def %scc
S_ENDPGM
...
---
# GCN-LABEL: name: load_volatile
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: dead %1:vgpr_32 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit %exec, implicit %flat_scr :: (volatile load 4)
# GCN-NEXT: S_ENDPGM
name: load_volatile
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sgpr_32 }
- { id: 4, class: sgpr_32 }
body: |
bb.0:
%vcc = IMPLICIT_DEF
%0 = IMPLICIT_DEF
%3 = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
%1 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit %exec, implicit %flat_scr :: (volatile load 4)
%2 = V_ADD_F32_e64 0, killed %1, 0, 1, 0, 0, implicit %exec
%4 = S_ADD_U32 %3, 1, implicit-def %scc
S_ENDPGM
...
---
# GCN-LABEL: name: store
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: FLAT_STORE_DWORD %0, %1, 0, 0, 0, implicit %exec, implicit %flat_scr :: (store 4)
# GCN-NEXT: S_ENDPGM
name: store
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vgpr_32 }
body: |
bb.0:
%vcc = IMPLICIT_DEF
%0 = IMPLICIT_DEF
%1 = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
FLAT_STORE_DWORD %0, %1, 0, 0, 0, implicit %exec, implicit %flat_scr :: (store 4)
S_ENDPGM
...
---
# GCN-LABEL: name: barrier
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: S_BARRIER
# GCN-NEXT: S_ENDPGM
name: barrier
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
S_BARRIER
S_ENDPGM
...
---
# GCN-LABEL: name: call
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: %sgpr4_sgpr5 = S_SWAPPC_B64 %sgpr2_sgpr3
# GCN-NEXT: S_ENDPGM
name: call
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
%sgpr4_sgpr5 = S_SWAPPC_B64 %sgpr2_sgpr3
S_ENDPGM
...
---
# GCN-LABEL: name: exp
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: EXP 32, undef %0:vgpr_32, undef %1:vgpr_32, %2, undef %3:vgpr_32, 0, 0, 15, implicit %exec
# GCN-NEXT: S_ENDPGM
name: exp
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: vgpr_32 }
body: |
bb.0:
%vcc = IMPLICIT_DEF
%2 = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
EXP 32, undef %0, undef %1, killed %2, undef %3, 0, 0, 15, implicit %exec
S_ENDPGM
...
---
# GCN-LABEL: name: return_to_epilog
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: SI_RETURN_TO_EPILOG killed %vgpr0
name: return_to_epilog
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%vgpr0 = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
SI_RETURN_TO_EPILOG killed %vgpr0
...
---
# GCN-LABEL: name: split_block
# GCN: bb.0:
# GCN-NEXT: successors: %bb.1
# GCN-NOT: S_OR_B64
# GCN: bb.1:
# GCN-NEXT: S_ENDPGM
name: split_block
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: sgpr_32 }
- { id: 3, class: sgpr_32 }
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
bb.1:
%0 = IMPLICIT_DEF
%2 = IMPLICIT_DEF
%1 = V_ADD_F32_e64 0, killed %0, 0, 1, 0, 0, implicit %exec
%3 = S_ADD_U32 %2, 1, implicit-def %scc
S_ENDPGM
...
---
# GCN-LABEL: name: split_block_empty_block
# GCN: bb.0:
# GCN-NEXT: successors: %bb.1
# GCN-NOT: S_OR_B64
# GCN: bb.1:
# GCN: bb.2:
# GCN-NEXT: S_ENDPGM
name: split_block_empty_block
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
bb.1:
bb.2:
S_ENDPGM
...
---
# GCN-LABEL: name: split_block_uncond_branch
# GCN: bb.0:
# GCN-NEXT: successors: %bb.1
# GCN: S_BRANCH %bb.1
# GCN-NOT: S_OR_B64
# GCN: bb.1:
# GCN-NEXT: S_ENDPGM
name: split_block_uncond_branch
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
S_BRANCH %bb.1
bb.1:
S_ENDPGM
...
---
# GCN-LABEL: name: split_block_cond_branch
# GCN: bb.0:
# GCN-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000)
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, %vcc, implicit-def %scc
# GCN: S_CBRANCH_VCCNZ %bb.2, implicit undef %vcc
# GCN: bb.1:
# GCN: bb.2:
# GCN-NEXT: S_ENDPGM
name: split_block_cond_branch
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, %vcc, implicit-def %scc
S_CBRANCH_VCCNZ %bb.2, implicit undef %vcc
bb.1:
bb.2:
S_ENDPGM
...
---
# GCN-LABEL: name: two_preds_both_dead
# GCN: bb.0:
# GCN-NEXT: successors: %bb.2
# GCN-NOT: S_OR
# GCN: S_BRANCH %bb.2
# GCN: bb.1:
# GCN-NEXT: successors: %bb.2
# GCN-NOT: S_AND
# GCN: S_BRANCH %bb.2
# GCN: bb.2:
# GCN-NEXT: S_ENDPGM
name: two_preds_both_dead
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
S_BRANCH %bb.2
bb.1:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_AND_B64 %exec, killed %vcc, implicit-def %scc
S_BRANCH %bb.2
bb.2:
S_ENDPGM
...
---
# GCN-LABEL: name: two_preds_one_dead
# GCN: bb.0:
# GCN-NEXT: successors: %bb.2
# GCN: %sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
# GCN-NEXT: S_BARRIER
# GCN-NEXT: S_BRANCH %bb.2
# GCN: bb.1:
# GCN-NEXT: successors: %bb.2
# GCN-NOT: S_AND
# GCN: S_BRANCH %bb.2
# GCN: bb.2:
# GCN-NEXT: S_ENDPGM
name: two_preds_one_dead
tracksRegLiveness: true
body: |
bb.0:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_OR_B64 %exec, killed %vcc, implicit-def %scc
S_BARRIER
S_BRANCH %bb.2
bb.1:
%vcc = IMPLICIT_DEF
%sgpr0_sgpr1 = S_AND_B64 %exec, killed %vcc, implicit-def %scc
S_BRANCH %bb.2
bb.2:
S_ENDPGM
...
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