llvm/test/CodeGen/AMDGPU/peephole-fold-imm.mir

   1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
   2 # RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx908 -verify-machineinstrs -run-pass peephole-opt -o - %s | FileCheck -check-prefix=GCN %s
   3
   4 ---
   5 name:            fold_simm_virtual
   6 body:             |
   7   bb.0:
   8
   9     ; GCN-LABEL: name: fold_simm_virtual
  10     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  11     ; GCN-NEXT: [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  12     ; GCN-NEXT: SI_RETURN_TO_EPILOG
  13     %0:sreg_32 = S_MOV_B32 0
  14     %1:sreg_32 = COPY killed %0
  15     SI_RETURN_TO_EPILOG
  16
  17 ...
  18
  19 ---
  20 name:            fold_simm_physical
  21 body:             |
  22   bb.0:
  23
  24     ; GCN-LABEL: name: fold_simm_physical
  25     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  26     ; GCN-NEXT: $sgpr1 = S_MOV_B32 0
  27     ; GCN-NEXT: SI_RETURN_TO_EPILOG
  28     %0:sreg_32 = S_MOV_B32 0
  29     $sgpr1 = COPY killed %0
  30     SI_RETURN_TO_EPILOG
  31
  32 ...
  33
  34 ---
  35 name:            dont_fold_simm_scc
  36 body:             |
  37   bb.0:
  38
  39     ; GCN-LABEL: name: dont_fold_simm_scc
  40     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  41     ; GCN-NEXT: $scc = COPY killed [[S_MOV_B32_]]
  42     ; GCN-NEXT: SI_RETURN_TO_EPILOG
  43     %0:sreg_32 = S_MOV_B32 0
  44     $scc = COPY killed %0
  45     SI_RETURN_TO_EPILOG
  46
  47 ...
  48
  49 ---
  50 name:            fold_simm_16_sub_to_lo
  51 body:             |
  52   bb.0:
  53
  54     ; GCN-LABEL: name: fold_simm_16_sub_to_lo
  55     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
  56     ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_lo16 = COPY killed [[S_MOV_B32_]].lo16
  57     ; GCN-NEXT: SI_RETURN_TO_EPILOG [[COPY]]
  58     %0:sreg_32 = S_MOV_B32 2048
  59     %1:sgpr_lo16 = COPY killed %0.lo16
  60     SI_RETURN_TO_EPILOG %1
  61
  62 ...
  63
  64 ---
  65 name:            fold_simm_16_sub_to_phys
  66 body:             |
  67   bb.0:
  68
  69     ; GCN-LABEL: name: fold_simm_16_sub_to_phys
  70     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
  71     ; GCN-NEXT: $sgpr0 = S_MOV_B32 2048
  72     ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
  73     %0:sreg_32 = S_MOV_B32 2048
  74     $sgpr0_lo16 = COPY killed %0.lo16
  75     SI_RETURN_TO_EPILOG $sgpr0_lo16
  76
  77 ...
  78
  79 ---
  80 name:            fold_aimm_16_sub_to_phys
  81 body:             |
  82   bb.0:
  83
  84     ; GCN-LABEL: name: fold_aimm_16_sub_to_phys
  85     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
  86     ; GCN-NEXT: $agpr0 = V_ACCVGPR_WRITE_B32_e64 0, implicit $exec
  87     ; GCN-NEXT: SI_RETURN_TO_EPILOG $agpr0_lo16
  88     %0:sreg_32 = S_MOV_B32 0
  89     $agpr0_lo16 = COPY killed %0.lo16
  90     SI_RETURN_TO_EPILOG $agpr0_lo16
  91
  92 ...
  93
  94 ---
  95 name:            fold_vimm_16_sub_to_lo
  96 body:             |
  97   bb.0:
  98
  99     ; GCN-LABEL: name: fold_vimm_16_sub_to_lo
 100     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
 101     ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_lo16 = COPY killed [[S_MOV_B32_]].lo16
 102     ; GCN-NEXT: SI_RETURN_TO_EPILOG [[COPY]]
 103     %0:sreg_32 = S_MOV_B32 2048
 104     %1:vgpr_lo16 = COPY killed %0.lo16
 105     SI_RETURN_TO_EPILOG %1
 106
 107 ...
 108
 109 ---
 110 name:            fold_vimm_16_sub_to_phys
 111 body:             |
 112   bb.0:
 113
 114     ; GCN-LABEL: name: fold_vimm_16_sub_to_phys
 115     ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
 116     ; GCN-NEXT: $vgpr0_lo16 = COPY killed [[S_MOV_B32_]].lo16
 117     ; GCN-NEXT: SI_RETURN_TO_EPILOG $vgpr0_lo16
 118     %0:sreg_32 = S_MOV_B32 2048
 119     $vgpr0_lo16 = COPY killed %0.lo16
 120     SI_RETURN_TO_EPILOG $vgpr0_lo16
 121
 122 ...