test/CodeGen/AMDGPU/same-slot-agpr-sgpr.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a -verify-machineinstrs -run-pass=prologepilog -o - %s | FileCheck %s

---
name: same_slot_agpr_sgpr
tracksRegLiveness: true
stack:
  - { id: 0, name: '', type: spill-slot, offset: 0, size: 8, alignment: 4 }
machineFunctionInfo:
  hasSpilledVGPRs: true
  scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
  stackPtrOffsetReg: $sgpr32
body: |
  bb.0:
    ; CHECK-LABEL: name: same_slot_agpr_sgpr
    ; CHECK: liveins: $agpr0, $agpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
    ; CHECK-NEXT: $agpr1 = V_ACCVGPR_WRITE_B32_e64 killed $vgpr0, implicit $exec
    ; CHECK-NEXT: $sgpr4_sgpr5 = IMPLICIT_DEF
    ; CHECK-NEXT: $sgpr6_sgpr7 = S_MOV_B64 $exec
    ; CHECK-NEXT: $exec = S_MOV_B64 3, implicit-def $vgpr0
    ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5)
    ; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 $sgpr4, 0, undef $vgpr0
    ; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 $sgpr5, 1, $vgpr0, implicit killed $sgpr4_sgpr5
    ; CHECK-NEXT: $agpr1 = V_ACCVGPR_WRITE_B32_e64 killed $vgpr0, implicit $exec
    ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (load (s32) from %stack.1, addrspace 5)
    ; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr6_sgpr7, implicit killed $vgpr0
    ; CHECK-NEXT: S_ENDPGM 0
    $vgpr0 = IMPLICIT_DEF
    SI_SPILL_AV32_SAVE killed $vgpr0, %stack.0, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
    $sgpr4_sgpr5 = IMPLICIT_DEF
    SI_SPILL_S64_SAVE killed renamable $sgpr4_sgpr5, %stack.0, implicit $exec, implicit $sgpr32 :: (store (s64) into %stack.0, align 4, addrspace 5)
    S_ENDPGM 0
...
---
name: diff_slot_agpr_sgpr
tracksRegLiveness: true
stack:
  - { id: 0, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4 }
  - { id: 1, name: '', type: spill-slot, offset: 0, size: 8, alignment: 4 }
machineFunctionInfo:
  hasSpilledVGPRs: true
  scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3
  stackPtrOffsetReg: $sgpr32
body: |
  bb.0:
    ; CHECK-LABEL: name: diff_slot_agpr_sgpr
    ; CHECK: liveins: $agpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
    ; CHECK-NEXT: $agpr0 = V_ACCVGPR_WRITE_B32_e64 killed $vgpr0, implicit $exec
    ; CHECK-NEXT: $sgpr4_sgpr5 = IMPLICIT_DEF
    ; CHECK-NEXT: $sgpr6_sgpr7 = S_MOV_B64 $exec
    ; CHECK-NEXT: $exec = S_MOV_B64 3, implicit-def $vgpr0
    ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (store (s32) into %stack.2, addrspace 5)
    ; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 $sgpr4, 0, undef $vgpr0
    ; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 $sgpr5, 1, $vgpr0, implicit killed $sgpr4_sgpr5
    ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5)
    ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (load (s32) from %stack.2, addrspace 5)
    ; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr6_sgpr7, implicit killed $vgpr0
    ; CHECK-NEXT: S_ENDPGM 0
    $vgpr0 = IMPLICIT_DEF
    SI_SPILL_AV32_SAVE killed $vgpr0, %stack.0, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
    $sgpr4_sgpr5 = IMPLICIT_DEF
    SI_SPILL_S64_SAVE killed renamable $sgpr4_sgpr5, %stack.1, implicit $exec, implicit $sgpr32 :: (store (s64) into %stack.0, align 4, addrspace 5)
    S_ENDPGM 0
...
---
name: dead_vgpr_slot
tracksRegLiveness: true
stack:
  - { id: 0, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4 }
machineFunctionInfo:
  hasSpilledVGPRs: true
  stackPtrOffsetReg: $sgpr32
body: |
  bb.0:
    ; CHECK-LABEL: name: dead_vgpr_slot
    ; CHECK: liveins: $agpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
    ; CHECK-NEXT: $agpr0 = V_ACCVGPR_WRITE_B32_e64 killed $vgpr0, implicit $exec
    ; CHECK-NEXT: S_ENDPGM 0
    $vgpr0 = IMPLICIT_DEF
    SI_SPILL_AV32_SAVE killed $vgpr0, %stack.0, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
    S_ENDPGM 0
...