llvm/test/CodeGen/AMDGPU/waitcnt-vmem-waw.mir

   1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
   2 # RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck -check-prefix=GFX9 %s
   3
   4 # Two buffer loads with overlapping outputs. No waitcnt required.
   5 ---
   6 name: buffer_buffer
   7 tracksRegLiveness: true
   8 body: |
   9   bb.0:
  10     liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, $sgpr5
  11     ; GFX9-LABEL: name: buffer_buffer
  12     ; GFX9: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, $sgpr5
  13     ; GFX9: S_WAITCNT 0
  14     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = BUFFER_LOAD_DWORDX4_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 0, 0, 0, 0, implicit $exec
  15     ; GFX9: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr5, 0, 0, 0, 0, implicit $exec
  16     $vgpr0_vgpr1_vgpr2_vgpr3 = BUFFER_LOAD_DWORDX4_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, 0, 0, 0, 0, implicit $exec
  17     $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr5, 0, 0, 0, 0, implicit $exec
  18 ...
  19
  20 # Two tbuffer loads with overlapping outputs. No waitcnt required.
  21 ---
  22 name: tbuffer_tbuffer
  23 tracksRegLiveness: true
  24 body: |
  25   bb.0:
  26     liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, $sgpr5
  27     ; GFX9-LABEL: name: tbuffer_tbuffer
  28     ; GFX9: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4, $sgpr5
  29     ; GFX9: S_WAITCNT 0
  30     ; GFX9: $vgpr0_vgpr1_vgpr2 = TBUFFER_LOAD_FORMAT_XYZ_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 4, 125, 0, 0, 0, implicit $exec
  31     ; GFX9: $vgpr0 = TBUFFER_LOAD_FORMAT_X_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 16, 116, 0, 0, 0, implicit $exec
  32     $vgpr0_vgpr1_vgpr2 = TBUFFER_LOAD_FORMAT_XYZ_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 4, 125, 0, 0, 0, implicit $exec
  33     $vgpr0 = TBUFFER_LOAD_FORMAT_X_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 16, 116, 0, 0, 0, implicit $exec
  34 ...
  35
  36 # Two gathers with overlapping outputs. (Note gathers can't be trimmed because
  37 # dmask means something different.) No waitcnt required.
  38 ---
  39 name: gather_gather
  40 tracksRegLiveness: true
  41 body: |
  42   bb.0:
  43     liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4_vgpr5
  44     ; GFX9-LABEL: name: gather_gather
  45     ; GFX9: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4_vgpr5
  46     ; GFX9: S_WAITCNT 0
  47     ; GFX9: $vgpr10_vgpr11_vgpr12_vgpr13 = IMAGE_GATHER4_LZ_O_V4_V3 $vgpr0_vgpr1_vgpr2, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s128))
  48     ; GFX9: $vgpr13_vgpr14_vgpr15_vgpr16 = IMAGE_GATHER4_LZ_O_V4_V3 $vgpr3_vgpr4_vgpr5, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s128))
  49     $vgpr10_vgpr11_vgpr12_vgpr13 = IMAGE_GATHER4_LZ_O_V4_V3 $vgpr0_vgpr1_vgpr2, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s128))
  50     $vgpr13_vgpr14_vgpr15_vgpr16 = IMAGE_GATHER4_LZ_O_V4_V3 $vgpr3_vgpr4_vgpr5, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s128))
  51 ...
  52
  53 # Image load vs image sample. Waitcnt required because they are not guaranteed
  54 # to write their results in order, despite both using the s_waitcnt vmcnt
  55 # counter.
  56 ---
  57 name: nosampler_sampler
  58 tracksRegLiveness: true
  59 body: |
  60   bb.0:
  61     liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, $vgpr0_vgpr1_vgpr2_vgpr3
  62     ; GFX9-LABEL: name: nosampler_sampler
  63     ; GFX9: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, $vgpr0_vgpr1_vgpr2_vgpr3
  64     ; GFX9: S_WAITCNT 0
  65     ; GFX9: $vgpr4 = IMAGE_LOAD_V1_V4 $vgpr0_vgpr1_vgpr2_vgpr3, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s128))
  66     ; GFX9: S_WAITCNT 3952
  67     ; GFX9: $vgpr4 = IMAGE_SAMPLE_L_V1_V4 $vgpr0_vgpr1_vgpr2_vgpr3, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (load (s128))
  68     $vgpr4 = IMAGE_LOAD_V1_V4 $vgpr0_vgpr1_vgpr2_vgpr3, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s128))
  69     $vgpr4 = IMAGE_SAMPLE_L_V1_V4 $vgpr0_vgpr1_vgpr2_vgpr3, $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (load (s128))
  70 ...