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[AMDGPU] More tests for S_WAIT_XCNT insertion (#145681)

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Jay Foad
2025-06-26 08:18:39 +01:00
committed by GitHub
parent c91cbafad2
commit 402480325b
1 changed files with 46 additions and 0 deletions
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46
llvm/test/CodeGen/AMDGPU/wait-xcnt.mir
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@@ -920,3 +920,49 @@ body: |
GLOBAL_STORE_DWORD $vgpr0_vgpr1, $vgpr3, 0, 0, implicit $exec
$vgpr2 = V_MOV_B32_e32 1, implicit $exec
...
# FIXME: Missing S_WAIT_XCNT before overwriting vgpr0.
---
name: wait_kmcnt_with_outstanding_vmem
tracksRegLiveness: true
machineFunctionInfo:
isEntryFunction: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $sgpr0_sgpr1
; GCN-LABEL: name: wait_kmcnt_with_outstanding_vmem
; GCN: liveins: $vgpr0_vgpr1, $sgpr0_sgpr1
; GCN-NEXT: {{ $}}
; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0
; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec
; GCN-NEXT: S_WAIT_KMCNT 0
; GCN-NEXT: $sgpr2 = S_MOV_B32 $sgpr2
; GCN-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
$sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0
$vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec
$sgpr2 = S_MOV_B32 $sgpr2
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
...
# FIXME: Missing S_WAIT_XCNT before overwriting sgpr0.
---
name: wait_loadcnt_with_outstanding_smem
tracksRegLiveness: true
machineFunctionInfo:
isEntryFunction: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $sgpr0_sgpr1
; GCN-LABEL: name: wait_loadcnt_with_outstanding_smem
; GCN: liveins: $vgpr0_vgpr1, $sgpr0_sgpr1
; GCN-NEXT: {{ $}}
; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec
; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0
; GCN-NEXT: S_WAIT_LOADCNT 0
; GCN-NEXT: $vgpr2 = V_MOV_B32_e32 $vgpr2, implicit $exec
; GCN-NEXT: $sgpr0 = S_MOV_B32 0
$vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec
$sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0
$vgpr2 = V_MOV_B32_e32 $vgpr2, implicit $exec
$sgpr0 = S_MOV_B32 0
...