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AMDGPU: Make a frame index test more realistic

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We do not expect to see live carry out outputs on these adds,
so add a dead flag. Split the test for the degenerate case. This
makes it more apparent a regression in a future commit does not matter.
This commit is contained in:
Matt Arsenault
2024-09-30 13:01:15 +04:00
committed by Matt Arsenault
parent 83fe85115d
commit 8e0daabe97
1 changed files with 24 additions and 1 deletions
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25
llvm/test/CodeGen/AMDGPU/eliminate-frame-index-v-add-co-u32-wave32.mir
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@@ -16,10 +16,33 @@ machineFunctionInfo:
body: |
bb.0:
; MUBUFW32-LABEL: name: v_add_co_u32_e64__inline_imm__fi_offset0
; MUBUFW32: renamable $vgpr0, $vcc_lo = V_ADD_CO_U32_e64 12, $sgpr32, 0, implicit $exec
; MUBUFW32: renamable $vgpr0, dead $vcc_lo = V_ADD_CO_U32_e64 12, $sgpr32, 0, implicit $exec
; MUBUFW32-NEXT: SI_RETURN implicit $vgpr0, implicit $sgpr0
;
; FLATSCRW32-LABEL: name: v_add_co_u32_e64__inline_imm__fi_offset0
; FLATSCRW32: renamable $vgpr0, dead $vcc_lo = V_ADD_CO_U32_e64 12, $sgpr32, 0, implicit $exec
; FLATSCRW32-NEXT: SI_RETURN implicit $vgpr0, implicit $sgpr0
renamable $vgpr0, dead $vcc_lo = V_ADD_CO_U32_e64 12, %stack.0, 0, implicit $exec
SI_RETURN implicit $vgpr0, implicit $sgpr0
...
---
name: v_add_co_u32_e64__inline_imm__fi_offset0__live_vcc
tracksRegLiveness: true
stack:
- { id: 0, size: 4, alignment: 16 }
machineFunctionInfo:
scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
frameOffsetReg: '$sgpr33'
stackPtrOffsetReg: '$sgpr32'
body: |
bb.0:
; MUBUFW32-LABEL: name: v_add_co_u32_e64__inline_imm__fi_offset0__live_vcc
; MUBUFW32: renamable $vgpr0, $vcc_lo = V_ADD_CO_U32_e64 12, $sgpr32, 0, implicit $exec
; MUBUFW32-NEXT: SI_RETURN implicit $vgpr0, implicit $sgpr0
;
; FLATSCRW32-LABEL: name: v_add_co_u32_e64__inline_imm__fi_offset0__live_vcc
; FLATSCRW32: renamable $vgpr0, $vcc_lo = V_ADD_CO_U32_e64 12, $sgpr32, 0, implicit $exec
; FLATSCRW32-NEXT: SI_RETURN implicit $vgpr0, implicit $sgpr0
renamable $vgpr0, $vcc_lo = V_ADD_CO_U32_e64 12, %stack.0, 0, implicit $exec