reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass si-fold-operands,dead-mi-elimination  %s -o - | FileCheck -check-prefix=GCN %s

---
name: no_fold_fi_non_stack_rsrc_soffset
tracksRegLiveness: true
frameInfo:
  maxAlignment:    4
  localFrameSize:  4
stack:
  - { id: 0, size: 4, alignment: 4, local-offset: 0 }
machineFunctionInfo:
  isEntryFunction: true
  scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
  scratchWaveOffsetReg: '$sgpr6'
  frameOffsetReg:  '$sgpr6'
  stackPtrOffsetReg: '$sgpr6'
body:             |
  bb.0:
    liveins: $sgpr12_sgpr13_sgpr14_sgpr15

    ; GCN-LABEL: name: no_fold_fi_non_stack_rsrc_soffset
    ; GCN: liveins: $sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 %stack.0, implicit $exec
    ; GCN: [[BUFFER_LOAD_DWORD_IDXEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_IDXEN [[V_MOV_B32_e32_]], [[COPY]], 0, 0, 0, 0, 0, 0, 0, implicit $exec
    ; GCN: $vgpr0 = COPY [[BUFFER_LOAD_DWORD_IDXEN]]
    ; GCN: SI_RETURN_TO_EPILOG $vgpr0
    %0:sgpr_128 = COPY $sgpr12_sgpr13_sgpr14_sgpr15
    %1:sreg_32_xm0 = S_MOV_B32 0
    %2:vgpr_32 = V_MOV_B32_e32 %stack.0, implicit $exec
    %3:vgpr_32 = BUFFER_LOAD_DWORD_IDXEN %2, %0, %1, 0, 0, 0, 0, 0, 0, implicit $exec
    $vgpr0 = COPY %3
    SI_RETURN_TO_EPILOG $vgpr0

...

---
name: no_fold_fi_non_stack_rsrc
tracksRegLiveness: true
frameInfo:
  maxAlignment:    4
  localFrameSize:  4
stack:
  - { id: 0, size: 4, alignment: 4, local-offset: 0 }
machineFunctionInfo:
  isEntryFunction: true
  scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
  scratchWaveOffsetReg: '$sgpr6'
  frameOffsetReg:  '$sgpr6'
  stackPtrOffsetReg: '$sgpr32'
body:             |
  bb.0:
    liveins: $sgpr12_sgpr13_sgpr14_sgpr15

    ; GCN-LABEL: name: no_fold_fi_non_stack_rsrc
    ; GCN: liveins: $sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 %stack.0, implicit $exec
    ; GCN: [[BUFFER_LOAD_DWORD_IDXEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_IDXEN [[V_MOV_B32_e32_]], [[COPY]], $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    ; GCN: $vgpr0 = COPY [[BUFFER_LOAD_DWORD_IDXEN]]
    ; GCN: SI_RETURN_TO_EPILOG $vgpr0
    %0:sgpr_128 = COPY $sgpr12_sgpr13_sgpr14_sgpr15
    %2:vgpr_32 = V_MOV_B32_e32 %stack.0, implicit $exec
    %3:vgpr_32 = BUFFER_LOAD_DWORD_IDXEN %2, %0, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    $vgpr0 = COPY %3
    SI_RETURN_TO_EPILOG $vgpr0

...

# Offset is from global scratch wave offset.
---
name: fold_fi_mubuf_scratch_scratch_wave_offset
tracksRegLiveness: true
frameInfo:
  maxAlignment:    4
  localFrameSize:  4
stack:
  - { id: 0, size: 4, alignment: 4, local-offset: 0 }
machineFunctionInfo:
  isEntryFunction: true
  scratchRSrcReg:  '$sgpr0_sgpr1_sgpr2_sgpr3'
  scratchWaveOffsetReg: '$sgpr33'
  stackPtrOffsetReg: '$sgpr32'
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_fi_mubuf_scratch_scratch_wave_offset
    ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 7, implicit $exec
    ; GCN: BUFFER_STORE_DWORD_OFFEN [[V_MOV_B32_e32_]], %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    ; GCN: [[BUFFER_LOAD_DWORD_OFFEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFEN %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    ; GCN: $vgpr0 = COPY [[BUFFER_LOAD_DWORD_OFFEN]]
    ; GCN: S_ENDPGM 0, implicit $vgpr0
    %0:vgpr_32 = V_MOV_B32_e32 %stack.0, implicit $exec
    %1:vgpr_32 = V_MOV_B32_e32 7, implicit $exec

    BUFFER_STORE_DWORD_OFFEN %1:vgpr_32, %0:vgpr_32, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr33, 0, 0, 0, 0, 0, 0, implicit $exec
    %2:vgpr_32 = BUFFER_LOAD_DWORD_OFFEN %0:vgpr_32, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr33, 0, 0, 0, 0, 0, 0, implicit $exec
    $vgpr0 = COPY %2
    S_ENDPGM 0, implicit $vgpr0

...

---
name: no_fold_fi_mubuf_scratch_sp_offset
tracksRegLiveness: true
frameInfo:
  maxAlignment:    4
  localFrameSize:  4
stack:
  - { id: 0, size: 4, alignment: 4, local-offset: 0 }
machineFunctionInfo:
  isEntryFunction: true
  scratchRSrcReg:  '$sgpr0_sgpr1_sgpr2_sgpr3'
  scratchWaveOffsetReg: '$sgpr33'
  stackPtrOffsetReg: '$sgpr32'
body:             |
  bb.0:

    ; GCN-LABEL: name: no_fold_fi_mubuf_scratch_sp_offset
    ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 7, implicit $exec
    ; GCN: BUFFER_STORE_DWORD_OFFEN [[V_MOV_B32_e32_]], %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    ; GCN: [[BUFFER_LOAD_DWORD_OFFEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFEN %stack.0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    ; GCN: $vgpr0 = COPY [[BUFFER_LOAD_DWORD_OFFEN]]
    ; GCN: S_ENDPGM 0, implicit $vgpr0
    %0:vgpr_32 = V_MOV_B32_e32 %stack.0, implicit $exec
    %1:vgpr_32 = V_MOV_B32_e32 7, implicit $exec

    BUFFER_STORE_DWORD_OFFEN %1:vgpr_32, %0:vgpr_32, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    %2:vgpr_32 = BUFFER_LOAD_DWORD_OFFEN %0:vgpr_32, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, 0, 0, 0, implicit $exec
    $vgpr0 = COPY %2
    S_ENDPGM 0, implicit $vgpr0

...