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134 lines
6.4 KiB
YAML
134 lines
6.4 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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# RUN: llc -mtriple=amdgcn -mcpu=gfx942 -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck -check-prefix=GCN %s
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# Expected vmcnt(0) since the direct load is the only load.
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---
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name: dma_then_fence
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body: |
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bb.0:
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; GCN-LABEL: name: dma_then_fence
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; GCN: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
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; GCN-NEXT: $m0 = S_MOV_B32 0
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; GCN-NEXT: BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4, addrspace 1), (store (s32) into `ptr addrspace(3) poison` + 4, addrspace 3)
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; GCN-NEXT: S_WAITCNT .Vmcnt_0
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; GCN-NEXT: $vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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$m0 = S_MOV_B32 0
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BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4), (store (s32) into `ptr addrspace(3) poison` + 4)
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S_WAITCNT_lds_direct
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$vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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S_ENDPGM 0
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...
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# Expected vmcnt(1) since the global load is not processed by SIInsertWaitcnts.
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---
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name: dma_then_global_load
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body: |
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bb.0:
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; GCN-LABEL: name: dma_then_global_load
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; GCN: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
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; GCN-NEXT: $m0 = S_MOV_B32 0
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; GCN-NEXT: BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4, addrspace 1), (store (s32) into `ptr addrspace(3) poison` + 4, addrspace 3)
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; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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; GCN-NEXT: S_WAITCNT .Vmcnt_1
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; GCN-NEXT: $vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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$m0 = S_MOV_B32 0
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BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4), (store (s32) into `ptr addrspace(3) poison` + 4)
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$vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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S_WAITCNT_lds_direct
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$vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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S_ENDPGM 0
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...
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# Expected no vmcnt since there is no direct load to LDS, and the global load is not processed by SIInsertWaitcnts.
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---
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name: no_dma_just_fence
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body: |
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bb.0:
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; GCN-LABEL: name: no_dma_just_fence
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; GCN: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
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; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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; GCN-NEXT: $vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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$vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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S_WAITCNT_lds_direct
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$vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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S_ENDPGM 0
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...
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# Expected vmcnt(1) since the global load is not processed by SIInsertWaitcnts.
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---
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name: dma_then_system_fence
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body: |
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bb.0:
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; GCN-LABEL: name: dma_then_system_fence
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; GCN: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
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; GCN-NEXT: BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4, addrspace 1), (store (s32) into `ptr addrspace(3) poison` + 4, addrspace 3)
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; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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; GCN-NEXT: S_WAITCNT .Vmcnt_1
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; GCN-NEXT: $vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4), (store (s32) into `ptr addrspace(3) poison` + 4)
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$vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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S_WAITCNT_lds_direct
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$vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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S_ENDPGM 0
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...
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# The computed vmcnt(1) gets merged with the existing vmcnt(0).
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---
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name: merge_with_prev_wait
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body: |
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bb.0:
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; GCN-LABEL: name: merge_with_prev_wait
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; GCN: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
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; GCN-NEXT: $m0 = S_MOV_B32 0
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; GCN-NEXT: BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4, addrspace 1), (store (s32) into `ptr addrspace(3) poison` + 4, addrspace 3)
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; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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; GCN-NEXT: S_WAITCNT .Vmcnt_0
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; GCN-NEXT: $vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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$m0 = S_MOV_B32 0
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BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4), (store (s32) into `ptr addrspace(3) poison` + 4)
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$vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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S_WAITCNT 3952
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S_WAITCNT_lds_direct
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$vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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S_ENDPGM 0
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...
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# The computed vmcnt(1) gets merged with the existing vmcnt(0).
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---
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name: merge_with_next_wait
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body: |
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bb.0:
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; GCN-LABEL: name: merge_with_next_wait
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; GCN: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
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; GCN-NEXT: $m0 = S_MOV_B32 0
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; GCN-NEXT: BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4, addrspace 1), (store (s32) into `ptr addrspace(3) poison` + 4, addrspace 3)
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; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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; GCN-NEXT: S_WAITCNT .Vmcnt_0
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; GCN-NEXT: $vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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; GCN-NEXT: S_ENDPGM 0
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$m0 = S_MOV_B32 0
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BUFFER_LOAD_DWORD_LDS_IDXEN $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 4, 0, 0, 0, implicit $exec, implicit $m0 :: (load (s32) from `ptr addrspace(1) poison` + 4), (store (s32) into `ptr addrspace(3) poison` + 4)
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$vgpr2 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, implicit $exec
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S_WAITCNT_lds_direct
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S_WAITCNT 3952
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$vgpr1 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
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S_ENDPGM 0
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...
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