llvm/test/CodeGen/AMDGPU/spill-wait.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn -mcpu=gfx90a -run-pass si-insert-waitcnts %s -o - | FileCheck -check-prefix=GCN %s

# There shall be no S_WAITCNT between two stores.

---
name: spill_vgpr_tuple

body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $sgpr76_sgpr77_sgpr78_sgpr79

    ; GCN-LABEL: name: spill_vgpr_tuple
    ; GCN: liveins: $vgpr0_vgpr1, $sgpr76_sgpr77_sgpr78_sgpr79
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: S_WAITCNT 0
    ; GCN-NEXT: $vgpr64_vgpr65 = V_MOV_B64_e32 $vgpr0_vgpr1, implicit $exec
    ; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr64, $sgpr76_sgpr77_sgpr78_sgpr79, 0, 672, 0, 0, implicit $exec, implicit-def $vgpr64_vgpr65, implicit $vgpr64_vgpr65
    ; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr65, $sgpr76_sgpr77_sgpr78_sgpr79, 0, 676, 0, 0, implicit $exec, implicit $vgpr64_vgpr65
    ; GCN-NEXT: S_ENDPGM 0
    $vgpr64_vgpr65 = V_MOV_B64_e32 $vgpr0_vgpr1, implicit $exec
    BUFFER_STORE_DWORD_OFFSET killed $vgpr64, $sgpr76_sgpr77_sgpr78_sgpr79, 0, 672, 0, 0, implicit $exec, implicit-def $vgpr64_vgpr65, implicit $vgpr64_vgpr65
    BUFFER_STORE_DWORD_OFFSET $vgpr65, $sgpr76_sgpr77_sgpr78_sgpr79, 0, 676, 0, 0, implicit $exec, implicit $vgpr64_vgpr65
    S_ENDPGM 0
...

# Make sure that while ignoring implicit operands we will not ignore implicit $vcc on VALU

---
name: load_vcc_wait

body: |
  bb.0:
    liveins: $vgpr0, $sgpr10_sgpr11

    ; GCN-LABEL: name: load_vcc_wait
    ; GCN: liveins: $vgpr0, $sgpr10_sgpr11
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: S_WAITCNT 0
    ; GCN-NEXT: $vcc_lo = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0
    ; GCN-NEXT: S_WAITCNT 49279
    ; GCN-NEXT: $vgpr1 = V_ADDC_U32_e32 0, $vgpr0, implicit-def $vcc, implicit $vcc, implicit $exec
    ; GCN-NEXT: S_ENDPGM 0
    $vcc_lo = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0
    $vgpr1 = V_ADDC_U32_e32 0, $vgpr0, implicit-def $vcc, implicit $vcc, implicit $exec
    S_ENDPGM 0
...

# Make sure that while ignoring implicit operands we will not ignore implicit $flat_src on FLAT

---
name: load_flat_scr_lo_flat_load_wait

body: |
  bb.0:
    liveins: $sgpr10_sgpr11, $vgpr0_vgpr1

    ; GCN-LABEL: name: load_flat_scr_lo_flat_load_wait
    ; GCN: liveins: $sgpr10_sgpr11, $vgpr0_vgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: S_WAITCNT 0
    ; GCN-NEXT: $flat_scr_lo = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0
    ; GCN-NEXT: S_WAITCNT 49279
    ; GCN-NEXT: $vgpr2 = FLAT_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec, implicit $flat_scr
    ; GCN-NEXT: S_ENDPGM 0
    $flat_scr_lo = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0
    $vgpr2 = FLAT_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec, implicit $flat_scr
    S_ENDPGM 0
...

---
name: load_flat_scr_lo_scratch_store_wait

body: |
  bb.0:
    liveins: $sgpr10_sgpr11, $vgpr0, $sgpr32

    ; GCN-LABEL: name: load_flat_scr_lo_scratch_store_wait
    ; GCN: liveins: $sgpr10_sgpr11, $vgpr0, $sgpr32
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: S_WAITCNT 0
    ; GCN-NEXT: $flat_scr_hi = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0
    ; GCN-NEXT: S_WAITCNT 49279
    ; GCN-NEXT: SCRATCH_STORE_DWORD_SADDR $vgpr0, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr
    ; GCN-NEXT: S_ENDPGM 0
    $flat_scr_hi = S_LOAD_DWORD_IMM $sgpr10_sgpr11, 0, 0
    SCRATCH_STORE_DWORD_SADDR $vgpr0, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr
    S_ENDPGM 0
...