352 lines
12 KiB
YAML
352 lines
12 KiB
YAML
# RUN: llc -march=amdgcn -mcpu=carrizo -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefixes=GCN,XNACK %s
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# RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck --check-prefix=GCN %s
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---
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# Trivial clause at beginning of program
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name: trivial_smem_clause_load_smrd4_x1
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body: |
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bb.0:
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; GCN-LABEL: name: trivial_smem_clause_load_smrd4_x1
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# Trivial clause at beginning of program
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name: trivial_smem_clause_load_smrd4_x2
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body: |
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bb.0:
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; GCN-LABEL: name: trivial_smem_clause_load_smrd4_x2
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr1 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr1 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# Trivial clause at beginning of program
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name: trivial_smem_clause_load_smrd4_x3
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body: |
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bb.0:
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; GCN-LABEL: name: trivial_smem_clause_load_smrd4_x3
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: $sgpr1 = S_LOAD_DWORD_IMM $sgpr6_sgpr7, 0, 0, 0
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; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr14_sgpr15, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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$sgpr1 = S_LOAD_DWORD_IMM $sgpr6_sgpr7, 0, 0, 0
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$sgpr2 = S_LOAD_DWORD_IMM $sgpr14_sgpr15, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# Trivial clause at beginning of program
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name: trivial_smem_clause_load_smrd4_x4
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body: |
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bb.0:
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; GCN-LABEL: name: trivial_smem_clause_load_smrd4_x4
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: $sgpr1 = S_LOAD_DWORD_IMM $sgpr8_sgpr9, 0, 0, 0
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; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr14_sgpr15, 0, 0, 0
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; GCN-NEXT: $sgpr3 = S_LOAD_DWORD_IMM $sgpr16_sgpr17, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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$sgpr1 = S_LOAD_DWORD_IMM $sgpr8_sgpr9, 0, 0, 0
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$sgpr2 = S_LOAD_DWORD_IMM $sgpr14_sgpr15, 0, 0, 0
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$sgpr3 = S_LOAD_DWORD_IMM $sgpr16_sgpr17, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# Reuse of same input pointer is OK
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name: trivial_smem_clause_load_smrd4_x2_sameptr
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body: |
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bb.0:
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; GCN-LABEL: name: trivial_smem_clause_load_smrd4_x2_sameptr
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; GCN: $sgpr12 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr13 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr12 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr13 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# 32-bit load partially clobbers its own ptr reg
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name: smrd_load4_overwrite_ptr_lo
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body: |
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bb.0:
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; GCN-LABEL: name: smrd_load4_overwrite_ptr_lo
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; GCN: $sgpr10 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr10 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# 32-bit load partially clobbers its own ptr reg
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name: smrd_load4_overwrite_ptr_hi
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body: |
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bb.0:
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; GCN-LABEL: name: smrd_load4_overwrite_ptr_hi
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; GCN: $sgpr11 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr11 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# 64-bit load clobbers its own ptr reg
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name: smrd_load8_overwrite_ptr
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body: |
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bb.0:
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; GCN-LABEL: name: smrd_load8_overwrite_ptr
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; GCN: $sgpr10_sgpr11 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr10_sgpr11 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# vmcnt has 4 bits, so maximum 16 outstanding loads. The waitcnt
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# breaks the clause.
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name: break_smem_clause_at_max_smem_clause_size_smrd_load4
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_at_max_smem_clause_size_smrd_load4
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; GCN: $sgpr13 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr14 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr15 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr16 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr17 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr18 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr19 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr20 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr21 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr22 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr23 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr24 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr25 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr26 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr27 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr28 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr0 = S_LOAD_DWORD_IMM $sgpr30_sgpr31, 0, 0, 0
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; GCN-NEXT: $sgpr0 = S_MOV_B32 $sgpr0, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $sgpr28
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; GCN-NEXT: S_ENDPGM 0
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$sgpr13 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr14 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr15 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr16 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr17 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr18 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr19 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr20 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr21 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr22 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr23 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr24 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr25 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr26 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr27 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr28 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr30_sgpr31, 0, 0, 0
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$sgpr0 = S_MOV_B32 $sgpr0, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $sgpr28
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S_ENDPGM 0
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...
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---
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name: break_smem_clause_simple_load_smrd4_lo_ptr
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_simple_load_smrd4_lo_ptr
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; GCN: $sgpr10 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; XNACK-NEXT: S_NOP 0
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; GCN-NEXT: $sgpr12 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr10 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr12 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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name: break_smem_clause_simple_load_smrd4_hi_ptr
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_simple_load_smrd4_hi_ptr
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr3 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr3 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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name: break_smem_clause_simple_load_smrd8_ptr
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_simple_load_smrd8_ptr
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; GCN: $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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; XNACK-NEXT: S_NOP 0
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; GCN-NEXT: $sgpr10_sgpr11 = S_LOAD_DWORDX2_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr10_sgpr11 = S_LOAD_DWORDX2_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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name: break_smem_clause_simple_load_smrd16_ptr
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_simple_load_smrd16_ptr
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; GCN: $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr12_sgpr13_sgpr14_sgpr15 = S_LOAD_DWORDX4_IMM $sgpr6_sgpr7, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr12_sgpr13_sgpr14_sgpr15 = S_LOAD_DWORDX4_IMM $sgpr6_sgpr7, 0, 0, 0
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S_ENDPGM 0
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...
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---
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name: break_smem_clause_block_boundary_load_smrd8_ptr
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body: |
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; GCN-LABEL: name: break_smem_clause_block_boundary_load_smrd8_ptr
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN: bb.1:
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; XNACK-NEXT: S_NOP 0
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; GCN-NEXT: $sgpr10_sgpr11 = S_LOAD_DWORDX2_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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bb.0:
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$sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0
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bb.1:
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$sgpr10_sgpr11 = S_LOAD_DWORDX2_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# The load clobbers the pointer of the store, so it needs to break.
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name: break_smem_clause_store_load_into_ptr_smrd4
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_store_load_into_ptr_smrd4
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; GCN: S_STORE_DWORD_IMM $sgpr16, $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr12 = S_LOAD_DWORD_IMM $sgpr14_sgpr15, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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S_STORE_DWORD_IMM $sgpr16, $sgpr10_sgpr11, 0, 0, 0
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$sgpr12 = S_LOAD_DWORD_IMM $sgpr14_sgpr15, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# The load clobbers the data of the store, so it needs to break.
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# FIXME: Would it be better to s_nop and wait later?
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name: break_smem_clause_store_load_into_data_smrd4
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body: |
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bb.0:
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; GCN-LABEL: name: break_smem_clause_store_load_into_data_smrd4
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; GCN: S_STORE_DWORD_IMM $sgpr8, $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr8 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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S_STORE_DWORD_IMM $sgpr8, $sgpr10_sgpr11, 0, 0, 0
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$sgpr8 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# Regular VALU instruction breaks clause, no nop needed
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name: valu_inst_breaks_smem_clause
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body: |
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bb.0:
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; GCN-LABEL: name: valu_inst_breaks_smem_clause
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $vgpr8 = V_MOV_B32_e32 0, implicit $exec
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; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$vgpr8 = V_MOV_B32_e32 0, implicit $exec
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$sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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# Regular SALU instruction breaks clause, no nop needed
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name: salu_inst_breaks_smem_clause
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body: |
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bb.0:
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; GCN-LABEL: name: salu_inst_breaks_smem_clause
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $sgpr8 = S_MOV_B32 0
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; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$sgpr8 = S_MOV_B32 0
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$sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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name: ds_inst_breaks_smem_clause
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body: |
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bb.0:
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; GCN-LABEL: name: ds_inst_breaks_smem_clause
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $vgpr8 = DS_READ_B32 $vgpr9, 0, 0, implicit $m0, implicit $exec
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; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$vgpr8 = DS_READ_B32 $vgpr9, 0, 0, implicit $m0, implicit $exec
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$sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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...
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---
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name: flat_inst_breaks_smem_clause
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body: |
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bb.0:
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; GCN-LABEL: name: flat_inst_breaks_smem_clause
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; GCN: $sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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; GCN-NEXT: $vgpr0 = FLAT_LOAD_DWORD $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec, implicit $flat_scr
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; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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; GCN-NEXT: S_ENDPGM 0
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$sgpr0 = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0, 0
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$vgpr0 = FLAT_LOAD_DWORD $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec, implicit $flat_scr
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$sgpr2 = S_LOAD_DWORD_IMM $sgpr12_sgpr13, 0, 0, 0
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S_ENDPGM 0
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|
...
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|
---
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# FIXME: Should this be handled?
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name: implicit_use_breaks_smem_clause
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|
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body: |
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|
bb.0:
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; GCN-LABEL: name: implicit_use_breaks_smem_clause
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; GCN: $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0, implicit $sgpr12_sgpr13
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|
; XNACK-NEXT: S_NOP 0
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|
; GCN-NEXT: $sgpr12_sgpr13 = S_LOAD_DWORDX2_IMM $sgpr6_sgpr7, 0, 0, 0
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|
; GCN-NEXT: S_ENDPGM 0
|
|
$sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM $sgpr10_sgpr11, 0, 0, 0, implicit $sgpr12_sgpr13
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|
$sgpr12_sgpr13 = S_LOAD_DWORDX2_IMM $sgpr6_sgpr7, 0, 0, 0
|
|
S_ENDPGM 0
|
|
...
|