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[AMDGPU] Add GFX12 test coverage for vmcnt flushing in loop headers #105548

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Aug 22, 2024
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[AMDGPU] Add GFX12 test coverage for vmcnt flushing in loop headers #105548

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129 changes: 129 additions & 0 deletions llvm/test/CodeGen/AMDGPU/waitcnt-vmcnt-loop.mir
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck -check-prefix=GFX9 %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck -check-prefix=GFX10 %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck -check-prefix=GFX12 %s

---

Expand All @@ -20,6 +21,13 @@
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop
body: |
bb.0:
Expand Down Expand Up @@ -58,6 +66,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_noterm
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop_noterm
body: |
bb.0:
Expand Down Expand Up @@ -129,6 +144,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_load
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop_load
body: |
bb.0:
Expand Down Expand Up @@ -170,6 +192,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_no_store
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop_no_store
body: |
bb.0:
Expand Down Expand Up @@ -212,6 +241,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10-NOT: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_no_use
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop_no_use
body: |
bb.0:
Expand Down Expand Up @@ -255,6 +291,14 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10-NOT: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop2
# GFX12-LABEL: bb.0:
# GFX12: BUFFER_LOAD_FORMAT_X_IDXEN
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop2
body: |
bb.0:
Expand Down Expand Up @@ -294,6 +338,14 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10-NOT: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop2_store
# GFX12-LABEL: bb.0:
# GFX12: BUFFER_LOAD_FORMAT_X_IDXEN
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop2_store
body: |
bb.0:
Expand Down Expand Up @@ -334,6 +386,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop2_use_in_loop
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop2_use_in_loop
body: |
bb.0:
Expand Down Expand Up @@ -379,6 +438,15 @@ body: |
# GFX10-LABEL: bb.2:
# GFX10-NOT: S_WAITCNT 16
# GFX10-LABEL: bb.3:

# GFX12-LABEL: waitcnt_vm_loop2_nowait
# GFX12-LABEL: bb.0:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.3:
name: waitcnt_vm_loop2_nowait
body: |
bb.0:
Expand Down Expand Up @@ -427,6 +495,14 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10-NOT: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop2_reginterval
# GFX12-LABEL: bb.0:
# GFX12: GLOBAL_LOAD_DWORDX4
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop2_reginterval
body: |
bb.0:
Expand Down Expand Up @@ -467,6 +543,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop2_reginterval2
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop2_reginterval2
body: |
bb.0:
Expand Down Expand Up @@ -513,6 +596,15 @@ body: |
# GFX10-NOT: S_WAITCNT 16240
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_zero
# GFX12-LABEL: bb.0:
# GFX12: BUFFER_LOAD_FORMAT_X_IDXEN
# GFX12: BUFFER_LOAD_FORMAT_X_IDXEN
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:

name: waitcnt_vm_zero
body: |
bb.0:
Expand Down Expand Up @@ -548,6 +640,14 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10-NOT: S_WAITCNT

# GFX12-LABEL: waitcnt_vm_necessary
# GFX12-LABEL: bb.0:
# GFX12: S_WAIT_LOADCNT 0
# GFX12: $vgpr4
# GFX12-NOT: S_WAITCNT
# GFX12-LABEL: bb.1:
# GFX12-NOT: S_WAITCNT

# GFX9-LABEL: waitcnt_vm_necessary
# GFX9-LABEL: bb.0:
# GFX9: S_WAITCNT 3952
Expand Down Expand Up @@ -590,6 +690,13 @@ body: |
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_global_mem
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:

name: waitcnt_vm_loop_global_mem
body: |
bb.0:
Expand Down Expand Up @@ -631,6 +738,13 @@ body: |
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_scratch_mem
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:

name: waitcnt_vm_loop_scratch_mem
body: |
bb.0:
Expand Down Expand Up @@ -671,6 +785,14 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 11
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_flat_mem
# GFX12-LABEL: bb.0:
# GFX12: FLAT_LOAD_DWORD
# GFX12-NOT: S_WAIT_LOADCNT_DSCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT_DSCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop_flat_mem
body: |
bb.0:
Expand Down Expand Up @@ -713,6 +835,13 @@ body: |
# GFX10-LABEL: bb.1:
# GFX10: S_WAITCNT 16
# GFX10-LABEL: bb.2:

# GFX12-LABEL: waitcnt_vm_loop_flat_load
# GFX12-LABEL: bb.0:
# GFX12-NOT: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.1:
# GFX12: S_WAIT_LOADCNT 0
# GFX12-LABEL: bb.2:
name: waitcnt_vm_loop_flat_load
body: |
bb.0:
Expand Down
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