llvm/test/MC/AMDGPU/hsa-v5-uses-dynamic-stack.s

   1 // RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx904 --amdhsa-code-object-version=5 -mattr=+xnack < %s | FileCheck --check-prefix=ASM %s
   2 // RUN: llvm-mc -triple amdgcn-amd-amdhsa -mcpu=gfx904 --amdhsa-code-object-version=5 -mattr=+xnack -filetype=obj < %s > %t
   3 // RUN: llvm-readelf -S -r -s %t | FileCheck --check-prefix=READOBJ %s
   4 // RUN: llvm-objdump -s -j .rodata %t | FileCheck --check-prefix=OBJDUMP %s
   5
   6 // READOBJ: Section Headers
   7 // READOBJ: .text   PROGBITS {{[0-9a-f]+}} {{[0-9a-f]+}} {{[0-9a-f]+}} {{[0-9]+}} AX {{[0-9]+}} {{[0-9]+}} 256
   8 // READOBJ: .rodata PROGBITS {{[0-9a-f]+}} {{[0-9a-f]+}}        000100 {{[0-9]+}}  A {{[0-9]+}} {{[0-9]+}} 64
   9
  10 // READOBJ: Relocation section '.rela.rodata' at offset
  11 // READOBJ: 0000000000000010 {{[0-9a-f]+}}00000005 R_AMDGPU_REL64 0000000000000000 .text + 10
  12 // READOBJ: 0000000000000050 {{[0-9a-f]+}}00000005 R_AMDGPU_REL64 0000000000000000 .text + 110
  13 // READOBJ: 0000000000000090 {{[0-9a-f]+}}00000005 R_AMDGPU_REL64 0000000000000000 .text + 210
  14 // READOBJ: 00000000000000d0 {{[0-9a-f]+}}00000005 R_AMDGPU_REL64 0000000000000000 .text + 310
  15
  16 // READOBJ: Symbol table '.symtab' contains {{[0-9]+}} entries:
  17 // READOBJ:      0000000000000000  0 FUNC    LOCAL  PROTECTED 2 minimal
  18 // READOBJ-NEXT: 0000000000000100  0 FUNC    LOCAL  PROTECTED 2 complete
  19 // READOBJ-NEXT: 0000000000000200  0 FUNC    LOCAL  PROTECTED 2 special_sgpr
  20 // READOBJ-NEXT: 0000000000000300  0 FUNC    LOCAL  PROTECTED 2 disabled_user_sgpr
  21 // READOBJ-NEXT: 0000000000000000 64 OBJECT  LOCAL  DEFAULT   3 minimal.kd
  22 // READOBJ-NEXT: 0000000000000040 64 OBJECT  LOCAL  DEFAULT   3 complete.kd
  23 // READOBJ-NEXT: 0000000000000080 64 OBJECT  LOCAL  DEFAULT   3 special_sgpr.kd
  24 // READOBJ-NEXT: 00000000000000c0 64 OBJECT  LOCAL  DEFAULT   3 disabled_user_sgpr.kd
  25
  26 // OBJDUMP: Contents of section .rodata
  27 // Note, relocation for KERNEL_CODE_ENTRY_BYTE_OFFSET is not resolved here.
  28 // minimal
  29 // OBJDUMP-NEXT: 0000 00000000 00000000 00000000 00000000
  30 // OBJDUMP-NEXT: 0010 00000000 00000000 00000000 00000000
  31 // OBJDUMP-NEXT: 0020 00000000 00000000 00000000 00000000
  32 // OBJDUMP-NEXT: 0030 0000ac00 80000000 00000000 00000000
  33 // complete
  34 // OBJDUMP-NEXT: 0040 01000000 01000000 08000000 00000000
  35 // OBJDUMP-NEXT: 0050 00000000 00000000 00000000 00000000
  36 // OBJDUMP-NEXT: 0060 00000000 00000000 00000000 00000000
  37 // OBJDUMP-NEXT: 0070 c2500104 1f0f007f 7f080000 00000000
  38 // special_sgpr
  39 // OBJDUMP-NEXT: 0080 00000000 00000000 00000000 00000000
  40 // OBJDUMP-NEXT: 0090 00000000 00000000 00000000 00000000
  41 // OBJDUMP-NEXT: 00a0 00000000 00000000 00000000 00000000
  42 // OBJDUMP-NEXT: 00b0 00010000 80000000 00000000 00000000
  43 // disabled_user_sgpr
  44 // OBJDUMP-NEXT: 00c0 00000000 00000000 00000000 00000000
  45 // OBJDUMP-NEXT: 00d0 00000000 00000000 00000000 00000000
  46 // OBJDUMP-NEXT: 00e0 00000000 00000000 00000000 00000000
  47 // OBJDUMP-NEXT: 00f0 0000ac00 80000000 00000000 00000000
  48
  49 .text
  50 // ASM: .text
  51
  52 .amdgcn_target "amdgcn-amd-amdhsa--gfx904:xnack+"
  53 // ASM: .amdgcn_target "amdgcn-amd-amdhsa--gfx904:xnack+"
  54
  55 .p2align 8
  56 .type minimal,@function
  57 minimal:
  58   s_endpgm
  59
  60 .p2align 8
  61 .type complete,@function
  62 complete:
  63   s_endpgm
  64
  65 .p2align 8
  66 .type special_sgpr,@function
  67 special_sgpr:
  68   s_endpgm
  69
  70 .p2align 8
  71 .type disabled_user_sgpr,@function
  72 disabled_user_sgpr:
  73   s_endpgm
  74
  75 .rodata
  76 // ASM: .rodata
  77
  78 // Test that only specifying required directives is allowed, and that defaulted
  79 // values are omitted.
  80 .p2align 6
  81 .amdhsa_kernel minimal
  82   .amdhsa_next_free_vgpr 0
  83   .amdhsa_next_free_sgpr 0
  84 .end_amdhsa_kernel
  85
  86 // ASM: .amdhsa_kernel minimal
  87 // ASM: .amdhsa_next_free_vgpr 0
  88 // ASM-NEXT: .amdhsa_next_free_sgpr 0
  89 // ASM: .end_amdhsa_kernel
  90
  91 // Test that we can specify all available directives with non-default values.
  92 .p2align 6
  93 .amdhsa_kernel complete
  94   .amdhsa_group_segment_fixed_size 1
  95   .amdhsa_private_segment_fixed_size 1
  96   .amdhsa_kernarg_size 8
  97   .amdhsa_user_sgpr_count 15
  98   .amdhsa_user_sgpr_private_segment_buffer 1
  99   .amdhsa_user_sgpr_dispatch_ptr 1
 100   .amdhsa_user_sgpr_queue_ptr 1
 101   .amdhsa_user_sgpr_kernarg_segment_ptr 1
 102   .amdhsa_user_sgpr_dispatch_id 1
 103   .amdhsa_user_sgpr_flat_scratch_init 1
 104   .amdhsa_user_sgpr_private_segment_size 1
 105   .amdhsa_uses_dynamic_stack 1
 106   .amdhsa_system_sgpr_private_segment_wavefront_offset 1
 107   .amdhsa_system_sgpr_workgroup_id_x 0
 108   .amdhsa_system_sgpr_workgroup_id_y 1
 109   .amdhsa_system_sgpr_workgroup_id_z 1
 110   .amdhsa_system_sgpr_workgroup_info 1
 111   .amdhsa_system_vgpr_workitem_id 1
 112   .amdhsa_next_free_vgpr 9
 113   .amdhsa_next_free_sgpr 27
 114   .amdhsa_reserve_vcc 0
 115   .amdhsa_reserve_flat_scratch 0
 116   .amdhsa_reserve_xnack_mask 1
 117   .amdhsa_float_round_mode_32 1
 118   .amdhsa_float_round_mode_16_64 1
 119   .amdhsa_float_denorm_mode_32 1
 120   .amdhsa_float_denorm_mode_16_64 0
 121   .amdhsa_dx10_clamp 0
 122   .amdhsa_ieee_mode 0
 123   .amdhsa_fp16_overflow 1
 124   .amdhsa_exception_fp_ieee_invalid_op 1
 125   .amdhsa_exception_fp_denorm_src 1
 126   .amdhsa_exception_fp_ieee_div_zero 1
 127   .amdhsa_exception_fp_ieee_overflow 1
 128   .amdhsa_exception_fp_ieee_underflow 1
 129   .amdhsa_exception_fp_ieee_inexact 1
 130   .amdhsa_exception_int_div_zero 1
 131 .end_amdhsa_kernel
 132
 133 // ASM: .amdhsa_kernel complete
 134 // ASM-NEXT: .amdhsa_group_segment_fixed_size 1
 135 // ASM-NEXT: .amdhsa_private_segment_fixed_size 1
 136 // ASM-NEXT: .amdhsa_kernarg_size 8
 137 // ASM-NEXT: .amdhsa_user_sgpr_count 15
 138 // ASM-NEXT: .amdhsa_user_sgpr_private_segment_buffer 1
 139 // ASM-NEXT: .amdhsa_user_sgpr_dispatch_ptr 1
 140 // ASM-NEXT: .amdhsa_user_sgpr_queue_ptr 1
 141 // ASM-NEXT: .amdhsa_user_sgpr_kernarg_segment_ptr 1
 142 // ASM-NEXT: .amdhsa_user_sgpr_dispatch_id 1
 143 // ASM-NEXT: .amdhsa_user_sgpr_flat_scratch_init 1
 144 // ASM-NEXT: .amdhsa_user_sgpr_private_segment_size 1
 145 // ASM-NEXT: .amdhsa_uses_dynamic_stack 1
 146 // ASM-NEXT: .amdhsa_system_sgpr_private_segment_wavefront_offset 1
 147 // ASM-NEXT: .amdhsa_system_sgpr_workgroup_id_x 0
 148 // ASM-NEXT: .amdhsa_system_sgpr_workgroup_id_y 1
 149 // ASM-NEXT: .amdhsa_system_sgpr_workgroup_id_z 1
 150 // ASM-NEXT: .amdhsa_system_sgpr_workgroup_info 1
 151 // ASM-NEXT: .amdhsa_system_vgpr_workitem_id 1
 152 // ASM-NEXT: .amdhsa_next_free_vgpr 9
 153 // ASM-NEXT: .amdhsa_next_free_sgpr 27
 154 // ASM-NEXT: .amdhsa_reserve_vcc 0
 155 // ASM-NEXT: .amdhsa_reserve_flat_scratch 0
 156 // ASM-NEXT: .amdhsa_reserve_xnack_mask 1
 157 // ASM-NEXT: .amdhsa_float_round_mode_32 1
 158 // ASM-NEXT: .amdhsa_float_round_mode_16_64 1
 159 // ASM-NEXT: .amdhsa_float_denorm_mode_32 1
 160 // ASM-NEXT: .amdhsa_float_denorm_mode_16_64 0
 161 // ASM-NEXT: .amdhsa_dx10_clamp 0
 162 // ASM-NEXT: .amdhsa_ieee_mode 0
 163 // ASM-NEXT: .amdhsa_fp16_overflow 1
 164 // ASM-NEXT: .amdhsa_exception_fp_ieee_invalid_op 1
 165 // ASM-NEXT: .amdhsa_exception_fp_denorm_src 1
 166 // ASM-NEXT: .amdhsa_exception_fp_ieee_div_zero 1
 167 // ASM-NEXT: .amdhsa_exception_fp_ieee_overflow 1
 168 // ASM-NEXT: .amdhsa_exception_fp_ieee_underflow 1
 169 // ASM-NEXT: .amdhsa_exception_fp_ieee_inexact 1
 170 // ASM-NEXT: .amdhsa_exception_int_div_zero 1
 171 // ASM-NEXT: .end_amdhsa_kernel
 172
 173 // Test that we are including special SGPR usage in the granulated count.
 174 .p2align 6
 175 .amdhsa_kernel special_sgpr
 176   // Same next_free_sgpr as "complete", but...
 177   .amdhsa_next_free_sgpr 27
 178   // ...on GFX9 this should require an additional 6 SGPRs, pushing us from
 179   // 3 granules to 4
 180   .amdhsa_reserve_flat_scratch 1
 181
 182   .amdhsa_reserve_vcc 0
 183   .amdhsa_reserve_xnack_mask 1
 184
 185   .amdhsa_float_denorm_mode_16_64 0
 186   .amdhsa_dx10_clamp 0
 187   .amdhsa_ieee_mode 0
 188   .amdhsa_next_free_vgpr 0
 189 .end_amdhsa_kernel
 190
 191 // ASM: .amdhsa_kernel special_sgpr
 192 // ASM: .amdhsa_next_free_vgpr 0
 193 // ASM-NEXT: .amdhsa_next_free_sgpr 27
 194 // ASM-NEXT: .amdhsa_reserve_vcc 0
 195 // ASM-NEXT: .amdhsa_reserve_xnack_mask 1
 196 // ASM: .amdhsa_float_denorm_mode_16_64 0
 197 // ASM-NEXT: .amdhsa_dx10_clamp 0
 198 // ASM-NEXT: .amdhsa_ieee_mode 0
 199 // ASM: .end_amdhsa_kernel
 200
 201 // Test that explicitly disabling user_sgpr's does not affect the user_sgpr
 202 // count, i.e. this should produce the same descriptor as minimal.
 203 .p2align 6
 204 .amdhsa_kernel disabled_user_sgpr
 205   .amdhsa_user_sgpr_private_segment_buffer 0
 206   .amdhsa_next_free_vgpr 0
 207   .amdhsa_next_free_sgpr 0
 208 .end_amdhsa_kernel
 209
 210 // ASM: .amdhsa_kernel disabled_user_sgpr
 211 // ASM: .amdhsa_next_free_vgpr 0
 212 // ASM-NEXT: .amdhsa_next_free_sgpr 0
 213 // ASM: .end_amdhsa_kernel
 214
 215 .section .foo
 216
 217 .byte .amdgcn.gfx_generation_number
 218 // ASM: .byte 9
 219
 220 .byte .amdgcn.gfx_generation_minor
 221 // ASM: .byte 0
 222
 223 .byte .amdgcn.gfx_generation_stepping
 224 // ASM: .byte 4
 225
 226 .byte .amdgcn.next_free_vgpr
 227 // ASM: .byte 0
 228 .byte .amdgcn.next_free_sgpr
 229 // ASM: .byte 0
 230
 231 v_mov_b32_e32 v7, s10
 232
 233 .byte .amdgcn.next_free_vgpr
 234 // ASM: .byte 8
 235 .byte .amdgcn.next_free_sgpr
 236 // ASM: .byte 11
 237
 238 .set .amdgcn.next_free_vgpr, 0
 239 .set .amdgcn.next_free_sgpr, 0
 240
 241 .byte .amdgcn.next_free_vgpr
 242 // ASM: .byte 0
 243 .byte .amdgcn.next_free_sgpr
 244 // ASM: .byte 0
 245
 246 v_mov_b32_e32 v16, s3
 247
 248 .byte .amdgcn.next_free_vgpr
 249 // ASM: .byte 17
 250 .byte .amdgcn.next_free_sgpr
 251 // ASM: .byte 4
 252
 253 // Metadata
 254
 255 .amdgpu_metadata
 256   amdhsa.version:
 257     - 3
 258     - 0
 259   amdhsa.kernels:
 260     - .name:       amd_kernel_code_t_test_all
 261       .symbol: amd_kernel_code_t_test_all@kd
 262       .kernarg_segment_size: 8
 263       .group_segment_fixed_size: 16
 264       .private_segment_fixed_size: 32
 265       .uses_dynamic_stack: true
 266       .kernarg_segment_align: 64
 267       .wavefront_size: 128
 268       .sgpr_count: 14
 269       .vgpr_count: 40
 270       .max_flat_workgroup_size: 256
 271     - .name:       amd_kernel_code_t_minimal
 272       .symbol: amd_kernel_code_t_minimal@kd
 273       .kernarg_segment_size: 8
 274       .group_segment_fixed_size: 16
 275       .private_segment_fixed_size: 32
 276       .uses_dynamic_stack: true
 277       .kernarg_segment_align: 64
 278       .wavefront_size: 128
 279       .sgpr_count: 14
 280       .vgpr_count: 40
 281       .max_flat_workgroup_size: 256
 282 .end_amdgpu_metadata
 283
 284 // ASM:         .amdgpu_metadata
 285 // ASM:      amdhsa.kernels:
 286 // ASM:        - .group_segment_fixed_size: 16
 287 // ASM:          .kernarg_segment_align: 64
 288 // ASM:          .kernarg_segment_size: 8
 289 // ASM:          .max_flat_workgroup_size: 256
 290 // ASM:          .name:           amd_kernel_code_t_test_all
 291 // ASM:          .private_segment_fixed_size: 32
 292 // ASM:          .sgpr_count:     14
 293 // ASM:          .symbol:         'amd_kernel_code_t_test_all@kd'
 294 // ASM:          .uses_dynamic_stack: true
 295 // ASM:          .vgpr_count:     40
 296 // ASM:          .wavefront_size: 128
 297 // ASM:        - .group_segment_fixed_size: 16
 298 // ASM:          .kernarg_segment_align: 64
 299 // ASM:          .kernarg_segment_size: 8
 300 // ASM:          .max_flat_workgroup_size: 256
 301 // ASM:          .name:           amd_kernel_code_t_minimal
 302 // ASM:          .private_segment_fixed_size: 32
 303 // ASM:          .sgpr_count:     14
 304 // ASM:          .symbol:         'amd_kernel_code_t_minimal@kd'
 305 // ASM:          .uses_dynamic_stack: true
 306 // ASM:          .vgpr_count:     40
 307 // ASM:          .wavefront_size: 128
 308 // ASM:      amdhsa.version:
 309 // ASM-NEXT:   - 3
 310 // ASM-NEXT:   - 0
 311 // ASM:         .end_amdgpu_metadata