llvm/test/CodeGen/AMDGPU/lo16-lo16-physreg-copy-agpr.mir

   1 # RUN: llc -march=amdgcn -mcpu=gfx908 -start-before postrapseudos -asm-verbose=0 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
   2
   3 # GCN-LABEL: {{^}}lo_to_lo_agpr_to_agpr:
   4 # GCN:      v_accvgpr_read_b32 [[TMP:v[0-9]+]], a0
   5 # GCN-NEXT: s_nop 1
   6 # GCN-NEXT: v_accvgpr_write_b32 a1, [[TMP]]
   7 name: lo_to_lo_agpr_to_agpr
   8 tracksRegLiveness: true
   9 body:             |
  10   bb.0:
  11     $agpr0 = IMPLICIT_DEF
  12     $agpr1_lo16 = COPY $agpr0_lo16
  13     S_ENDPGM 0
  14 ...
  15
  16 # GCN-LABEL: {{^}}lo_to_lo_samereg:
  17 # GCN:        s_waitcnt
  18 # GCN-NEXT:   s_endpgm
  19 name: lo_to_lo_samereg
  20 tracksRegLiveness: true
  21 body:             |
  22   bb.0:
  23     $agpr0 = IMPLICIT_DEF
  24     $agpr0_lo16 = COPY $agpr0_lo16
  25     S_ENDPGM 0
  26 ...
  27
  28 # GCN-LABEL: {{^}}lo_to_lo_undef_agpr_to_agpr:
  29 # GCN:      v_accvgpr_read_b32 [[TMP:v[0-9]+]], a1
  30 # GCN-NEXT: s_nop 1
  31 # GCN-NEXT: v_accvgpr_write_b32 a2, [[TMP]]
  32 name: lo_to_lo_undef_agpr_to_agpr
  33 tracksRegLiveness: true
  34 body:             |
  35   bb.0:
  36     $agpr1_lo16 = COPY undef $agpr0_lo16
  37     $agpr2 = COPY killed $agpr1
  38     S_ENDPGM 0
  39 ...
  40
  41 # GCN-LABEL: {{^}}lo_to_lo_sgpr_to_agpr:
  42 # GCN:      v_mov_b32_e32 [[TMP:v[0-9]+]], s0
  43 # GCN-NEXT: s_nop 1
  44 # GCN-NEXT: v_accvgpr_write_b32 a1, [[TMP]]
  45 name: lo_to_lo_sgpr_to_agpr
  46 tracksRegLiveness: true
  47 body:             |
  48   bb.0:
  49     $sgpr0 = IMPLICIT_DEF
  50     $agpr1_lo16 = COPY $sgpr0_lo16
  51     S_ENDPGM 0
  52 ...