src/amd/common/ac_llvm_build.h

   1 /*
   2  * Copyright 2016 Bas Nieuwenhuizen
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sub license, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  13  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  15  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  16  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  17  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  18  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  19  *
  20  * The above copyright notice and this permission notice (including the
  21  * next paragraph) shall be included in all copies or substantial portions
  22  * of the Software.
  23  *
  24  */
  25 #ifndef AC_LLVM_BUILD_H
  26 #define AC_LLVM_BUILD_H
  27
  28 #include <stdbool.h>
  29 #include <llvm-c/TargetMachine.h>
  30 #include "compiler/nir/nir.h"
  31 #include "amd_family.h"
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 enum {
  38         AC_ADDR_SPACE_FLAT = 0, /* Slower than global. */
  39         AC_ADDR_SPACE_GLOBAL = 1,
  40         AC_ADDR_SPACE_GDS = 2,
  41         AC_ADDR_SPACE_LDS = 3,
  42         AC_ADDR_SPACE_CONST = 4, /* Global allowing SMEM. */
  43         AC_ADDR_SPACE_CONST_32BIT = 6, /* same as CONST, but the pointer type has 32 bits */
  44 };
  45
  46 /* Combine these with & instead of |. */
  47 #define NOOP_WAITCNT    0xcf7f
  48 #define LGKM_CNT        0xc07f
  49 #define EXP_CNT         0xcf0f
  50 #define VM_CNT          0x0f70 /* On GFX9, vmcnt has 6 bits in [0:3] and [14:15] */
  51
  52 struct ac_llvm_flow;
  53
  54 struct ac_llvm_context {
  55         LLVMContextRef context;
  56         LLVMModuleRef module;
  57         LLVMBuilderRef builder;
  58
  59         LLVMTypeRef voidt;
  60         LLVMTypeRef i1;
  61         LLVMTypeRef i8;
  62         LLVMTypeRef i16;
  63         LLVMTypeRef i32;
  64         LLVMTypeRef i64;
  65         LLVMTypeRef intptr;
  66         LLVMTypeRef f16;
  67         LLVMTypeRef f32;
  68         LLVMTypeRef f64;
  69         LLVMTypeRef v2i16;
  70         LLVMTypeRef v2i32;
  71         LLVMTypeRef v3i32;
  72         LLVMTypeRef v4i32;
  73         LLVMTypeRef v2f32;
  74         LLVMTypeRef v4f32;
  75         LLVMTypeRef v8i32;
  76
  77         LLVMValueRef i8_0;
  78         LLVMValueRef i8_1;
  79         LLVMValueRef i16_0;
  80         LLVMValueRef i16_1;
  81         LLVMValueRef i32_0;
  82         LLVMValueRef i32_1;
  83         LLVMValueRef i64_0;
  84         LLVMValueRef i64_1;
  85         LLVMValueRef f32_0;
  86         LLVMValueRef f32_1;
  87         LLVMValueRef f64_0;
  88         LLVMValueRef f64_1;
  89         LLVMValueRef i1true;
  90         LLVMValueRef i1false;
  91
  92         struct ac_llvm_flow *flow;
  93         unsigned flow_depth;
  94         unsigned flow_depth_max;
  95
  96         unsigned range_md_kind;
  97         unsigned invariant_load_md_kind;
  98         unsigned uniform_md_kind;
  99         unsigned fpmath_md_kind;
 100         LLVMValueRef fpmath_md_2p5_ulp;
 101         LLVMValueRef empty_md;
 102
 103         enum chip_class chip_class;
 104         enum radeon_family family;
 105
 106         LLVMValueRef lds;
 107 };
 108
 109 void
 110 ac_llvm_context_init(struct ac_llvm_context *ctx,
 111                      enum chip_class chip_class, enum radeon_family family);
 112
 113 void
 114 ac_llvm_context_dispose(struct ac_llvm_context *ctx);
 115
 116 int
 117 ac_get_llvm_num_components(LLVMValueRef value);
 118
 119 int
 120 ac_get_elem_bits(struct ac_llvm_context *ctx, LLVMTypeRef type);
 121
 122 LLVMValueRef
 123 ac_llvm_extract_elem(struct ac_llvm_context *ac,
 124                      LLVMValueRef value,
 125                      int index);
 126
 127 unsigned ac_get_type_size(LLVMTypeRef type);
 128
 129 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 130 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
 131 LLVMValueRef ac_to_integer_or_pointer(struct ac_llvm_context *ctx, LLVMValueRef v);
 132 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 133 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
 134
 135 LLVMValueRef
 136 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
 137                    LLVMTypeRef return_type, LLVMValueRef *params,
 138                    unsigned param_count, unsigned attrib_mask);
 139
 140 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
 141
 142 LLVMValueRef
 143 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
 144              unsigned count_incoming, LLVMValueRef *values,
 145              LLVMBasicBlockRef *blocks);
 146
 147 void ac_build_s_barrier(struct ac_llvm_context *ctx);
 148 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
 149                                    LLVMValueRef *pvgpr);
 150
 151 LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx);
 152
 153 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
 154
 155 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
 156
 157 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 158
 159 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 160
 161 LLVMValueRef
 162 ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
 163                                unsigned value_count, unsigned component);
 164
 165 LLVMValueRef
 166 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 167                                 LLVMValueRef *values,
 168                                 unsigned value_count,
 169                                 unsigned value_stride,
 170                                 bool load,
 171                                 bool always_vector);
 172 LLVMValueRef
 173 ac_build_gather_values(struct ac_llvm_context *ctx,
 174                        LLVMValueRef *values,
 175                        unsigned value_count);
 176 LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx,
 177                                      LLVMValueRef value,
 178                                      unsigned num_channels);
 179 LLVMValueRef ac_build_round(struct ac_llvm_context *ctx, LLVMValueRef value);
 180
 181 LLVMValueRef
 182 ac_build_fdiv(struct ac_llvm_context *ctx,
 183               LLVMValueRef num,
 184               LLVMValueRef den);
 185
 186 LLVMValueRef ac_build_fast_udiv(struct ac_llvm_context *ctx,
 187                                 LLVMValueRef num,
 188                                 LLVMValueRef multiplier,
 189                                 LLVMValueRef pre_shift,
 190                                 LLVMValueRef post_shift,
 191                                 LLVMValueRef increment);
 192 LLVMValueRef ac_build_fast_udiv_nuw(struct ac_llvm_context *ctx,
 193                                     LLVMValueRef num,
 194                                     LLVMValueRef multiplier,
 195                                     LLVMValueRef pre_shift,
 196                                     LLVMValueRef post_shift,
 197                                     LLVMValueRef increment);
 198 LLVMValueRef ac_build_fast_udiv_u31_d_not_one(struct ac_llvm_context *ctx,
 199                                               LLVMValueRef num,
 200                                               LLVMValueRef multiplier,
 201                                               LLVMValueRef post_shift);
 202
 203 void
 204 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 205                        bool is_deriv, bool is_array, bool is_lod,
 206                        LLVMValueRef *coords_arg,
 207                        LLVMValueRef *derivs_arg);
 208
 209
 210 LLVMValueRef
 211 ac_build_fs_interp(struct ac_llvm_context *ctx,
 212                    LLVMValueRef llvm_chan,
 213                    LLVMValueRef attr_number,
 214                    LLVMValueRef params,
 215                    LLVMValueRef i,
 216                    LLVMValueRef j);
 217
 218 LLVMValueRef
 219 ac_build_fs_interp_f16(struct ac_llvm_context *ctx,
 220                        LLVMValueRef llvm_chan,
 221                        LLVMValueRef attr_number,
 222                        LLVMValueRef params,
 223                        LLVMValueRef i,
 224                        LLVMValueRef j);
 225
 226 LLVMValueRef
 227 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 228                        LLVMValueRef parameter,
 229                        LLVMValueRef llvm_chan,
 230                        LLVMValueRef attr_number,
 231                        LLVMValueRef params);
 232
 233 LLVMValueRef
 234 ac_build_gep_ptr(struct ac_llvm_context *ctx,
 235                  LLVMValueRef base_ptr,
 236                  LLVMValueRef index);
 237
 238 LLVMValueRef
 239 ac_build_gep0(struct ac_llvm_context *ctx,
 240               LLVMValueRef base_ptr,
 241               LLVMValueRef index);
 242 LLVMValueRef ac_build_pointer_add(struct ac_llvm_context *ctx, LLVMValueRef ptr,
 243                                   LLVMValueRef index);
 244
 245 void
 246 ac_build_indexed_store(struct ac_llvm_context *ctx,
 247                        LLVMValueRef base_ptr, LLVMValueRef index,
 248                        LLVMValueRef value);
 249
 250 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 251                            LLVMValueRef index);
 252 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 253                                      LLVMValueRef base_ptr, LLVMValueRef index);
 254 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 255                                    LLVMValueRef base_ptr, LLVMValueRef index);
 256 LLVMValueRef ac_build_load_to_sgpr_uint_wraparound(struct ac_llvm_context *ctx,
 257                                    LLVMValueRef base_ptr, LLVMValueRef index);
 258
 259 void
 260 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 261                             LLVMValueRef rsrc,
 262                             LLVMValueRef vdata,
 263                             unsigned num_channels,
 264                             LLVMValueRef voffset,
 265                             LLVMValueRef soffset,
 266                             unsigned inst_offset,
 267                             bool glc,
 268                             bool slc,
 269                             bool writeonly_memory,
 270                             bool swizzle_enable_hint);
 271
 272 void
 273 ac_build_buffer_store_format(struct ac_llvm_context *ctx,
 274                              LLVMValueRef rsrc,
 275                              LLVMValueRef data,
 276                              LLVMValueRef vindex,
 277                              LLVMValueRef voffset,
 278                              unsigned num_channels,
 279                              bool glc,
 280                              bool writeonly_memory);
 281
 282 LLVMValueRef
 283 ac_build_buffer_load(struct ac_llvm_context *ctx,
 284                      LLVMValueRef rsrc,
 285                      int num_channels,
 286                      LLVMValueRef vindex,
 287                      LLVMValueRef voffset,
 288                      LLVMValueRef soffset,
 289                      unsigned inst_offset,
 290                      unsigned glc,
 291                      unsigned slc,
 292                      bool can_speculate,
 293                      bool allow_smem);
 294
 295 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 296                                          LLVMValueRef rsrc,
 297                                          LLVMValueRef vindex,
 298                                          LLVMValueRef voffset,
 299                                          unsigned num_channels,
 300                                          bool glc,
 301                                          bool can_speculate);
 302
 303 /* load_format that handles the stride & element count better if idxen is
 304  * disabled by LLVM. */
 305 LLVMValueRef ac_build_buffer_load_format_gfx9_safe(struct ac_llvm_context *ctx,
 306                                                   LLVMValueRef rsrc,
 307                                                   LLVMValueRef vindex,
 308                                                   LLVMValueRef voffset,
 309                                                   unsigned num_channels,
 310                                                   bool glc,
 311                                                   bool can_speculate);
 312
 313 LLVMValueRef
 314 ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
 315                             LLVMValueRef rsrc,
 316                             LLVMValueRef voffset,
 317                             LLVMValueRef soffset,
 318                             LLVMValueRef immoffset,
 319                             bool glc);
 320
 321 LLVMValueRef
 322 ac_build_struct_tbuffer_load(struct ac_llvm_context *ctx,
 323                              LLVMValueRef rsrc,
 324                              LLVMValueRef vindex,
 325                              LLVMValueRef voffset,
 326                              LLVMValueRef soffset,
 327                              LLVMValueRef immoffset,
 328                              unsigned num_channels,
 329                              unsigned dfmt,
 330                              unsigned nfmt,
 331                              bool glc,
 332                              bool slc,
 333                              bool can_speculate);
 334
 335 LLVMValueRef
 336 ac_build_raw_tbuffer_load(struct ac_llvm_context *ctx,
 337                           LLVMValueRef rsrc,
 338                           LLVMValueRef voffset,
 339                           LLVMValueRef soffset,
 340                           LLVMValueRef immoffset,
 341                           unsigned num_channels,
 342                           unsigned dfmt,
 343                           unsigned nfmt,
 344                           bool glc,
 345                           bool slc,
 346                           bool can_speculate);
 347
 348 void
 349 ac_build_tbuffer_store_short(struct ac_llvm_context *ctx,
 350                              LLVMValueRef rsrc,
 351                              LLVMValueRef vdata,
 352                              LLVMValueRef voffset,
 353                              LLVMValueRef soffset,
 354                              bool glc,
 355                              bool writeonly_memory);
 356
 357 void
 358 ac_build_struct_tbuffer_store(struct ac_llvm_context *ctx,
 359                               LLVMValueRef rsrc,
 360                               LLVMValueRef vdata,
 361                               LLVMValueRef vindex,
 362                               LLVMValueRef voffset,
 363                               LLVMValueRef soffset,
 364                               LLVMValueRef immoffset,
 365                               unsigned num_channels,
 366                               unsigned dfmt,
 367                               unsigned nfmt,
 368                               bool glc,
 369                               bool slc,
 370                               bool writeonly_memory);
 371
 372 void
 373 ac_build_raw_tbuffer_store(struct ac_llvm_context *ctx,
 374                            LLVMValueRef rsrc,
 375                            LLVMValueRef vdata,
 376                            LLVMValueRef voffset,
 377                            LLVMValueRef soffset,
 378                            LLVMValueRef immoffset,
 379                            unsigned num_channels,
 380                            unsigned dfmt,
 381                            unsigned nfmt,
 382                            bool glc,
 383                            bool slc,
 384                            bool writeonly_memory);
 385
 386 LLVMValueRef
 387 ac_get_thread_id(struct ac_llvm_context *ctx);
 388
 389 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 390 #define AC_TID_MASK_TOP      0xfffffffd
 391 #define AC_TID_MASK_LEFT     0xfffffffe
 392
 393 LLVMValueRef
 394 ac_build_ddxy(struct ac_llvm_context *ctx,
 395               uint32_t mask,
 396               int idx,
 397               LLVMValueRef val);
 398
 399 #define AC_SENDMSG_GS 2
 400 #define AC_SENDMSG_GS_DONE 3
 401
 402 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 403 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 404 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 405 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 406
 407 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 408                       uint32_t msg,
 409                       LLVMValueRef wave_id);
 410
 411 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 412                            LLVMValueRef arg,
 413                            LLVMTypeRef dst_type);
 414
 415 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 416                           LLVMValueRef arg,
 417                           LLVMTypeRef dst_type);
 418 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
 419                            LLVMValueRef b);
 420 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
 421                            LLVMValueRef b);
 422 LLVMValueRef ac_build_imin(struct ac_llvm_context *ctx, LLVMValueRef a,
 423                            LLVMValueRef b);
 424 LLVMValueRef ac_build_imax(struct ac_llvm_context *ctx, LLVMValueRef a,
 425                            LLVMValueRef b);
 426 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 427 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 428
 429 struct ac_export_args {
 430         LLVMValueRef out[4];
 431         unsigned target;
 432         unsigned enabled_channels;
 433         bool compr;
 434         bool done;
 435         bool valid_mask;
 436 };
 437
 438 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 439
 440 void ac_build_export_null(struct ac_llvm_context *ctx);
 441
 442 enum ac_image_opcode {
 443         ac_image_sample,
 444         ac_image_gather4,
 445         ac_image_load,
 446         ac_image_load_mip,
 447         ac_image_store,
 448         ac_image_store_mip,
 449         ac_image_get_lod,
 450         ac_image_get_resinfo,
 451         ac_image_atomic,
 452         ac_image_atomic_cmpswap,
 453 };
 454
 455 enum ac_atomic_op {
 456         ac_atomic_swap,
 457         ac_atomic_add,
 458         ac_atomic_sub,
 459         ac_atomic_smin,
 460         ac_atomic_umin,
 461         ac_atomic_smax,
 462         ac_atomic_umax,
 463         ac_atomic_and,
 464         ac_atomic_or,
 465         ac_atomic_xor,
 466 };
 467
 468 enum ac_image_dim {
 469         ac_image_1d,
 470         ac_image_2d,
 471         ac_image_3d,
 472         ac_image_cube, // includes cube arrays
 473         ac_image_1darray,
 474         ac_image_2darray,
 475         ac_image_2dmsaa,
 476         ac_image_2darraymsaa,
 477 };
 478
 479 /* These cache policy bits match the definitions used by the LLVM intrinsics. */
 480 enum ac_image_cache_policy {
 481         ac_glc = 1 << 0,
 482         ac_slc = 1 << 1,
 483 };
 484
 485 struct ac_image_args {
 486         enum ac_image_opcode opcode : 4;
 487         enum ac_atomic_op atomic : 4; /* for the ac_image_atomic opcode */
 488         enum ac_image_dim dim : 3;
 489         unsigned dmask : 4;
 490         unsigned cache_policy : 2;
 491         bool unorm : 1;
 492         bool level_zero : 1;
 493         unsigned attributes; /* additional call-site specific AC_FUNC_ATTRs */
 494
 495         LLVMValueRef resource;
 496         LLVMValueRef sampler;
 497         LLVMValueRef data[2]; /* data[0] is source data (vector); data[1] is cmp for cmpswap */
 498         LLVMValueRef offset;
 499         LLVMValueRef bias;
 500         LLVMValueRef compare;
 501         LLVMValueRef derivs[6];
 502         LLVMValueRef coords[4];
 503         LLVMValueRef lod; // also used by ac_image_get_resinfo
 504 };
 505
 506 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 507                                    struct ac_image_args *a);
 508 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 509                                     LLVMValueRef args[2]);
 510 LLVMValueRef ac_build_cvt_pknorm_i16(struct ac_llvm_context *ctx,
 511                                      LLVMValueRef args[2]);
 512 LLVMValueRef ac_build_cvt_pknorm_u16(struct ac_llvm_context *ctx,
 513                                      LLVMValueRef args[2]);
 514 LLVMValueRef ac_build_cvt_pk_i16(struct ac_llvm_context *ctx,
 515                                  LLVMValueRef args[2], unsigned bits, bool hi);
 516 LLVMValueRef ac_build_cvt_pk_u16(struct ac_llvm_context *ctx,
 517                                  LLVMValueRef args[2], unsigned bits, bool hi);
 518 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 519 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 520 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 521                           LLVMValueRef offset, LLVMValueRef width,
 522                           bool is_signed);
 523 LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0,
 524                            LLVMValueRef s1, LLVMValueRef s2);
 525 LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0,
 526                            LLVMValueRef s1, LLVMValueRef s2);
 527
 528 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
 529
 530 LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0,
 531                            unsigned bitsize);
 532
 533 LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
 534                             unsigned bitsize);
 535
 536 LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src0,
 537                             unsigned bitsize);
 538
 539 LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0);
 540
 541 LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx,
 542                                        LLVMValueRef src0);
 543
 544 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 545                             LLVMValueRef main_fn,
 546                             uint8_t *vs_output_param_offset,
 547                             uint32_t num_outputs,
 548                             uint8_t *num_param_exports);
 549 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 550
 551 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 552 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 553                          LLVMValueRef dw_addr);
 554 void ac_lds_store(struct ac_llvm_context *ctx,
 555                   LLVMValueRef dw_addr, LLVMValueRef value);
 556
 557 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 558                          LLVMTypeRef dst_type,
 559                          LLVMValueRef src0);
 560
 561 LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
 562 LLVMTypeRef ac_array_in_const32_addr_space(LLVMTypeRef elem_type);
 563
 564 void ac_build_bgnloop(struct ac_llvm_context *ctx, int lable_id);
 565 void ac_build_break(struct ac_llvm_context *ctx);
 566 void ac_build_continue(struct ac_llvm_context *ctx);
 567 void ac_build_else(struct ac_llvm_context *ctx, int lable_id);
 568 void ac_build_endif(struct ac_llvm_context *ctx, int lable_id);
 569 void ac_build_endloop(struct ac_llvm_context *ctx, int lable_id);
 570 void ac_build_ifcc(struct ac_llvm_context *ctx, LLVMValueRef cond, int label_id);
 571 void ac_build_if(struct ac_llvm_context *ctx, LLVMValueRef value,
 572                  int lable_id);
 573 void ac_build_uif(struct ac_llvm_context *ctx, LLVMValueRef value,
 574                   int lable_id);
 575
 576 LLVMValueRef ac_build_alloca(struct ac_llvm_context *ac, LLVMTypeRef type,
 577                              const char *name);
 578 LLVMValueRef ac_build_alloca_undef(struct ac_llvm_context *ac, LLVMTypeRef type,
 579                                    const char *name);
 580
 581 LLVMValueRef ac_cast_ptr(struct ac_llvm_context *ctx, LLVMValueRef ptr,
 582                          LLVMTypeRef type);
 583
 584 LLVMValueRef ac_trim_vector(struct ac_llvm_context *ctx, LLVMValueRef value,
 585                             unsigned count);
 586
 587 LLVMValueRef ac_unpack_param(struct ac_llvm_context *ctx, LLVMValueRef param,
 588                              unsigned rshift, unsigned bitwidth);
 589
 590 void ac_apply_fmask_to_sample(struct ac_llvm_context *ac, LLVMValueRef fmask,
 591                               LLVMValueRef *addr, bool is_array_tex);
 592
 593 LLVMValueRef
 594 ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask);
 595
 596 LLVMValueRef
 597 ac_build_readlane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef lane);
 598
 599 LLVMValueRef
 600 ac_build_writelane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef value, LLVMValueRef lane);
 601
 602 LLVMValueRef
 603 ac_build_mbcnt(struct ac_llvm_context *ctx, LLVMValueRef mask);
 604
 605 LLVMValueRef
 606 ac_build_inclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
 607
 608 LLVMValueRef
 609 ac_build_exclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
 610
 611 LLVMValueRef
 612 ac_build_reduce(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op, unsigned cluster_size);
 613
 614 /**
 615  * Common arguments for a scan/reduce operation that accumulates per-wave
 616  * values across an entire workgroup, while respecting the order of waves.
 617  */
 618 struct ac_wg_scan {
 619         bool enable_reduce;
 620         bool enable_exclusive;
 621         bool enable_inclusive;
 622         nir_op op;
 623         LLVMValueRef src; /* clobbered! */
 624         LLVMValueRef result_reduce;
 625         LLVMValueRef result_exclusive;
 626         LLVMValueRef result_inclusive;
 627         LLVMValueRef extra;
 628         LLVMValueRef waveidx;
 629         LLVMValueRef numwaves; /* only needed for "reduce" operations */
 630
 631         /* T addrspace(LDS) pointer to the same type as value, at least maxwaves entries */
 632         LLVMValueRef scratch;
 633         unsigned maxwaves;
 634 };
 635
 636 void
 637 ac_build_wg_wavescan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 638 void
 639 ac_build_wg_wavescan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 640 void
 641 ac_build_wg_wavescan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 642
 643 void
 644 ac_build_wg_scan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 645 void
 646 ac_build_wg_scan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 647 void
 648 ac_build_wg_scan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 649
 650 LLVMValueRef
 651 ac_build_quad_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src,
 652                 unsigned lane0, unsigned lane1, unsigned lane2, unsigned lane3);
 653
 654 LLVMValueRef
 655 ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef index);
 656
 657 #ifdef __cplusplus
 658 }
 659 #endif
 660
 661 #endif