src/amd/llvm/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/Core.h>
  30 #include "compiler/nir/nir.h"
  31 #include "amd_family.h"
  32 #include "ac_shader_util.h"
  33 #include "ac_shader_args.h"
  34 #include "ac_shader_abi.h"
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 enum {
  41         AC_ADDR_SPACE_FLAT = 0, /* Slower than global. */
  42         AC_ADDR_SPACE_GLOBAL = 1,
  43         AC_ADDR_SPACE_GDS = 2,
  44         AC_ADDR_SPACE_LDS = 3,
  45         AC_ADDR_SPACE_CONST = 4, /* Global allowing SMEM. */
  46         AC_ADDR_SPACE_CONST_32BIT = 6, /* same as CONST, but the pointer type has 32 bits */
  47 };
  48
  49 #define AC_WAIT_LGKM    (1 << 0) /* LDS, GDS, constant, message */
  50 #define AC_WAIT_VLOAD   (1 << 1) /* VMEM load/sample instructions */
  51 #define AC_WAIT_VSTORE  (1 << 2) /* VMEM store instructions */
  52
  53 struct ac_llvm_flow;
  54 struct ac_llvm_compiler;
  55 enum ac_float_mode;
  56
  57 struct ac_llvm_flow_state {
  58         struct ac_llvm_flow *stack;
  59         unsigned depth_max;
  60         unsigned depth;
  61 };
  62
  63 struct ac_llvm_context {
  64         LLVMContextRef context;
  65         LLVMModuleRef module;
  66         LLVMBuilderRef builder;
  67
  68         LLVMValueRef main_function;
  69
  70         LLVMTypeRef voidt;
  71         LLVMTypeRef i1;
  72         LLVMTypeRef i8;
  73         LLVMTypeRef i16;
  74         LLVMTypeRef i32;
  75         LLVMTypeRef i64;
  76         LLVMTypeRef i128;
  77         LLVMTypeRef intptr;
  78         LLVMTypeRef f16;
  79         LLVMTypeRef f32;
  80         LLVMTypeRef f64;
  81         LLVMTypeRef v2i16;
  82         LLVMTypeRef v4i16;
  83         LLVMTypeRef v2f16;
  84         LLVMTypeRef v4f16;
  85         LLVMTypeRef v2i32;
  86         LLVMTypeRef v3i32;
  87         LLVMTypeRef v4i32;
  88         LLVMTypeRef v2f32;
  89         LLVMTypeRef v3f32;
  90         LLVMTypeRef v4f32;
  91         LLVMTypeRef v8i32;
  92         LLVMTypeRef iN_wavemask;
  93         LLVMTypeRef iN_ballotmask;
  94
  95         LLVMValueRef i8_0;
  96         LLVMValueRef i8_1;
  97         LLVMValueRef i16_0;
  98         LLVMValueRef i16_1;
  99         LLVMValueRef i32_0;
 100         LLVMValueRef i32_1;
 101         LLVMValueRef i64_0;
 102         LLVMValueRef i64_1;
 103         LLVMValueRef i128_0;
 104         LLVMValueRef i128_1;
 105         LLVMValueRef f16_0;
 106         LLVMValueRef f16_1;
 107         LLVMValueRef f32_0;
 108         LLVMValueRef f32_1;
 109         LLVMValueRef f64_0;
 110         LLVMValueRef f64_1;
 111         LLVMValueRef i1true;
 112         LLVMValueRef i1false;
 113
 114         /* Temporary helper to implement demote_to_helper:
 115          * True = live lanes
 116          * False = demoted lanes
 117          */
 118         LLVMValueRef postponed_kill;
 119
 120         /* Since ac_nir_translate makes a local copy of ac_llvm_context, there
 121          * are two ac_llvm_contexts. Declare a pointer here, so that the control
 122          * flow stack is shared by both ac_llvm_contexts.
 123          */
 124         struct ac_llvm_flow_state *flow;
 125
 126         unsigned range_md_kind;
 127         unsigned invariant_load_md_kind;
 128         unsigned uniform_md_kind;
 129         LLVMValueRef empty_md;
 130
 131         enum chip_class chip_class;
 132         enum radeon_family family;
 133
 134         unsigned wave_size;
 135         unsigned ballot_mask_bits;
 136
 137         unsigned float_mode;
 138
 139         LLVMValueRef lds;
 140 };
 141
 142 void
 143 ac_llvm_context_init(struct ac_llvm_context *ctx,
 144                      struct ac_llvm_compiler *compiler,
 145                      enum chip_class chip_class, enum radeon_family family,
 146                      enum ac_float_mode float_mode, unsigned wave_size,
 147                      unsigned ballot_mask_bits);
 148
 149 void
 150 ac_llvm_context_dispose(struct ac_llvm_context *ctx);
 151
 152 int
 153 ac_get_llvm_num_components(LLVMValueRef value);
 154
 155 int
 156 ac_get_elem_bits(struct ac_llvm_context *ctx, LLVMTypeRef type);
 157
 158 LLVMValueRef
 159 ac_llvm_extract_elem(struct ac_llvm_context *ac,
 160                      LLVMValueRef value,
 161                      int index);
 162
 163 unsigned ac_get_type_size(LLVMTypeRef type);
 164
 165 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 166 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
 167 LLVMValueRef ac_to_integer_or_pointer(struct ac_llvm_context *ctx, LLVMValueRef v);
 168 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 169 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
 170
 171 LLVMValueRef
 172 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
 173                    LLVMTypeRef return_type, LLVMValueRef *params,
 174                    unsigned param_count, unsigned attrib_mask);
 175
 176 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
 177
 178 LLVMValueRef
 179 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
 180              unsigned count_incoming, LLVMValueRef *values,
 181              LLVMBasicBlockRef *blocks);
 182
 183 void ac_build_s_barrier(struct ac_llvm_context *ctx);
 184 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
 185                                    LLVMValueRef *pvgpr);
 186
 187 LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx,
 188                                    nir_scope scope);
 189
 190 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
 191 LLVMValueRef ac_get_i1_sgpr_mask(struct ac_llvm_context *ctx,
 192                                  LLVMValueRef value);
 193
 194 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
 195
 196 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 197
 198 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 199
 200 LLVMValueRef
 201 ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
 202                                unsigned value_count, unsigned component);
 203
 204 LLVMValueRef
 205 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 206                                 LLVMValueRef *values,
 207                                 unsigned value_count,
 208                                 unsigned value_stride,
 209                                 bool load,
 210                                 bool always_vector);
 211 LLVMValueRef
 212 ac_build_gather_values(struct ac_llvm_context *ctx,
 213                        LLVMValueRef *values,
 214                        unsigned value_count);
 215
 216 LLVMValueRef
 217 ac_extract_components(struct ac_llvm_context *ctx,
 218                       LLVMValueRef value,
 219                       unsigned start,
 220                       unsigned channels);
 221
 222 LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx,
 223                                      LLVMValueRef value,
 224                                      unsigned num_channels);
 225 LLVMValueRef ac_build_round(struct ac_llvm_context *ctx, LLVMValueRef value);
 226
 227 LLVMValueRef
 228 ac_build_fdiv(struct ac_llvm_context *ctx,
 229               LLVMValueRef num,
 230               LLVMValueRef den);
 231
 232 LLVMValueRef ac_build_fast_udiv(struct ac_llvm_context *ctx,
 233                                 LLVMValueRef num,
 234                                 LLVMValueRef multiplier,
 235                                 LLVMValueRef pre_shift,
 236                                 LLVMValueRef post_shift,
 237                                 LLVMValueRef increment);
 238 LLVMValueRef ac_build_fast_udiv_nuw(struct ac_llvm_context *ctx,
 239                                     LLVMValueRef num,
 240                                     LLVMValueRef multiplier,
 241                                     LLVMValueRef pre_shift,
 242                                     LLVMValueRef post_shift,
 243                                     LLVMValueRef increment);
 244 LLVMValueRef ac_build_fast_udiv_u31_d_not_one(struct ac_llvm_context *ctx,
 245                                               LLVMValueRef num,
 246                                               LLVMValueRef multiplier,
 247                                               LLVMValueRef post_shift);
 248
 249 void
 250 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 251                        bool is_deriv, bool is_array, bool is_lod,
 252                        LLVMValueRef *coords_arg,
 253                        LLVMValueRef *derivs_arg);
 254
 255
 256 LLVMValueRef
 257 ac_build_fs_interp(struct ac_llvm_context *ctx,
 258                    LLVMValueRef llvm_chan,
 259                    LLVMValueRef attr_number,
 260                    LLVMValueRef params,
 261                    LLVMValueRef i,
 262                    LLVMValueRef j);
 263
 264 LLVMValueRef
 265 ac_build_fs_interp_f16(struct ac_llvm_context *ctx,
 266                        LLVMValueRef llvm_chan,
 267                        LLVMValueRef attr_number,
 268                        LLVMValueRef params,
 269                        LLVMValueRef i,
 270                        LLVMValueRef j);
 271
 272 LLVMValueRef
 273 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 274                        LLVMValueRef parameter,
 275                        LLVMValueRef llvm_chan,
 276                        LLVMValueRef attr_number,
 277                        LLVMValueRef params);
 278
 279 LLVMValueRef
 280 ac_build_gep_ptr(struct ac_llvm_context *ctx,
 281                  LLVMValueRef base_ptr,
 282                  LLVMValueRef index);
 283
 284 LLVMValueRef
 285 ac_build_gep0(struct ac_llvm_context *ctx,
 286               LLVMValueRef base_ptr,
 287               LLVMValueRef index);
 288 LLVMValueRef ac_build_pointer_add(struct ac_llvm_context *ctx, LLVMValueRef ptr,
 289                                   LLVMValueRef index);
 290
 291 void
 292 ac_build_indexed_store(struct ac_llvm_context *ctx,
 293                        LLVMValueRef base_ptr, LLVMValueRef index,
 294                        LLVMValueRef value);
 295
 296 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 297                            LLVMValueRef index);
 298 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 299                                      LLVMValueRef base_ptr, LLVMValueRef index);
 300 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 301                                    LLVMValueRef base_ptr, LLVMValueRef index);
 302 LLVMValueRef ac_build_load_to_sgpr_uint_wraparound(struct ac_llvm_context *ctx,
 303                                    LLVMValueRef base_ptr, LLVMValueRef index);
 304
 305 void
 306 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 307                             LLVMValueRef rsrc,
 308                             LLVMValueRef vdata,
 309                             unsigned num_channels,
 310                             LLVMValueRef voffset,
 311                             LLVMValueRef soffset,
 312                             unsigned inst_offset,
 313                             unsigned cache_policy);
 314
 315 void
 316 ac_build_buffer_store_format(struct ac_llvm_context *ctx,
 317                              LLVMValueRef rsrc,
 318                              LLVMValueRef data,
 319                              LLVMValueRef vindex,
 320                              LLVMValueRef voffset,
 321                              unsigned cache_policy);
 322
 323 LLVMValueRef
 324 ac_build_buffer_load(struct ac_llvm_context *ctx,
 325                      LLVMValueRef rsrc,
 326                      int num_channels,
 327                      LLVMValueRef vindex,
 328                      LLVMValueRef voffset,
 329                      LLVMValueRef soffset,
 330                      unsigned inst_offset,
 331                      unsigned cache_policy,
 332                      bool can_speculate,
 333                      bool allow_smem);
 334
 335 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 336                                          LLVMValueRef rsrc,
 337                                          LLVMValueRef vindex,
 338                                          LLVMValueRef voffset,
 339                                          unsigned num_channels,
 340                                          unsigned cache_policy,
 341                                          bool can_speculate);
 342
 343 LLVMValueRef
 344 ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
 345                             LLVMValueRef rsrc,
 346                             LLVMValueRef voffset,
 347                             LLVMValueRef soffset,
 348                             LLVMValueRef immoffset,
 349                             unsigned cache_policy);
 350
 351 LLVMValueRef
 352 ac_build_tbuffer_load_byte(struct ac_llvm_context *ctx,
 353                            LLVMValueRef rsrc,
 354                            LLVMValueRef voffset,
 355                            LLVMValueRef soffset,
 356                            LLVMValueRef immoffset,
 357                            unsigned cache_policy);
 358
 359 LLVMValueRef
 360 ac_build_struct_tbuffer_load(struct ac_llvm_context *ctx,
 361                              LLVMValueRef rsrc,
 362                              LLVMValueRef vindex,
 363                              LLVMValueRef voffset,
 364                              LLVMValueRef soffset,
 365                              LLVMValueRef immoffset,
 366                              unsigned num_channels,
 367                              unsigned dfmt,
 368                              unsigned nfmt,
 369                              unsigned cache_policy,
 370                              bool can_speculate);
 371
 372 LLVMValueRef
 373 ac_build_raw_tbuffer_load(struct ac_llvm_context *ctx,
 374                           LLVMValueRef rsrc,
 375                           LLVMValueRef voffset,
 376                           LLVMValueRef soffset,
 377                           LLVMValueRef immoffset,
 378                           unsigned num_channels,
 379                           unsigned dfmt,
 380                           unsigned nfmt,
 381                           unsigned cache_policy,
 382                           bool can_speculate);
 383
 384 /* For ac_build_fetch_format.
 385  *
 386  * Note: FLOAT must be 0 (used for convenience of encoding in radeonsi).
 387  */
 388 enum {
 389         AC_FETCH_FORMAT_FLOAT = 0,
 390         AC_FETCH_FORMAT_FIXED,
 391         AC_FETCH_FORMAT_UNORM,
 392         AC_FETCH_FORMAT_SNORM,
 393         AC_FETCH_FORMAT_USCALED,
 394         AC_FETCH_FORMAT_SSCALED,
 395         AC_FETCH_FORMAT_UINT,
 396         AC_FETCH_FORMAT_SINT,
 397 };
 398
 399 LLVMValueRef
 400 ac_build_opencoded_load_format(struct ac_llvm_context *ctx,
 401                                unsigned log_size,
 402                                unsigned num_channels,
 403                                unsigned format,
 404                                bool reverse,
 405                                bool known_aligned,
 406                                LLVMValueRef rsrc,
 407                                LLVMValueRef vindex,
 408                                LLVMValueRef voffset,
 409                                LLVMValueRef soffset,
 410                                unsigned cache_policy,
 411                                bool can_speculate);
 412
 413 void
 414 ac_build_tbuffer_store_short(struct ac_llvm_context *ctx,
 415                              LLVMValueRef rsrc,
 416                              LLVMValueRef vdata,
 417                              LLVMValueRef voffset,
 418                              LLVMValueRef soffset,
 419                              unsigned cache_policy);
 420
 421 void
 422 ac_build_tbuffer_store_byte(struct ac_llvm_context *ctx,
 423                             LLVMValueRef rsrc,
 424                             LLVMValueRef vdata,
 425                             LLVMValueRef voffset,
 426                             LLVMValueRef soffset,
 427                             unsigned cache_policy);
 428
 429 void
 430 ac_build_struct_tbuffer_store(struct ac_llvm_context *ctx,
 431                               LLVMValueRef rsrc,
 432                               LLVMValueRef vdata,
 433                               LLVMValueRef vindex,
 434                               LLVMValueRef voffset,
 435                               LLVMValueRef soffset,
 436                               LLVMValueRef immoffset,
 437                               unsigned num_channels,
 438                               unsigned dfmt,
 439                               unsigned nfmt,
 440                               unsigned cache_policy);
 441
 442 void
 443 ac_build_raw_tbuffer_store(struct ac_llvm_context *ctx,
 444                            LLVMValueRef rsrc,
 445                            LLVMValueRef vdata,
 446                            LLVMValueRef voffset,
 447                            LLVMValueRef soffset,
 448                            LLVMValueRef immoffset,
 449                            unsigned num_channels,
 450                            unsigned dfmt,
 451                            unsigned nfmt,
 452                            unsigned cache_policy);
 453
 454 LLVMValueRef
 455 ac_get_thread_id(struct ac_llvm_context *ctx);
 456
 457 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 458 #define AC_TID_MASK_TOP      0xfffffffd
 459 #define AC_TID_MASK_LEFT     0xfffffffe
 460
 461 LLVMValueRef
 462 ac_build_ddxy(struct ac_llvm_context *ctx,
 463               uint32_t mask,
 464               int idx,
 465               LLVMValueRef val);
 466
 467 #define AC_SENDMSG_GS 2
 468 #define AC_SENDMSG_GS_DONE 3
 469 #define AC_SENDMSG_GS_ALLOC_REQ 9
 470
 471 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 472 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 473 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 474 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 475
 476 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 477                       uint32_t msg,
 478                       LLVMValueRef wave_id);
 479
 480 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 481                            LLVMValueRef arg,
 482                            LLVMTypeRef dst_type);
 483
 484 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 485                           LLVMValueRef arg,
 486                           LLVMTypeRef dst_type);
 487 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
 488                            LLVMValueRef b);
 489 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
 490                            LLVMValueRef b);
 491 LLVMValueRef ac_build_imin(struct ac_llvm_context *ctx, LLVMValueRef a,
 492                            LLVMValueRef b);
 493 LLVMValueRef ac_build_imax(struct ac_llvm_context *ctx, LLVMValueRef a,
 494                            LLVMValueRef b);
 495 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 496 LLVMValueRef ac_build_umax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 497 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 498
 499 struct ac_export_args {
 500         LLVMValueRef out[4];
 501         unsigned target;
 502         unsigned enabled_channels;
 503         bool compr;
 504         bool done;
 505         bool valid_mask;
 506 };
 507
 508 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 509
 510 void ac_build_export_null(struct ac_llvm_context *ctx);
 511
 512 enum ac_image_opcode {
 513         ac_image_sample,
 514         ac_image_gather4,
 515         ac_image_load,
 516         ac_image_load_mip,
 517         ac_image_store,
 518         ac_image_store_mip,
 519         ac_image_get_lod,
 520         ac_image_get_resinfo,
 521         ac_image_atomic,
 522         ac_image_atomic_cmpswap,
 523 };
 524
 525 enum ac_atomic_op {
 526         ac_atomic_swap,
 527         ac_atomic_add,
 528         ac_atomic_sub,
 529         ac_atomic_smin,
 530         ac_atomic_umin,
 531         ac_atomic_smax,
 532         ac_atomic_umax,
 533         ac_atomic_and,
 534         ac_atomic_or,
 535         ac_atomic_xor,
 536         ac_atomic_inc_wrap,
 537         ac_atomic_dec_wrap,
 538 };
 539
 540 /* These cache policy bits match the definitions used by the LLVM intrinsics. */
 541 enum ac_image_cache_policy {
 542         ac_glc = 1 << 0, /* per-CU cache control */
 543         ac_slc = 1 << 1, /* global L2 cache control */
 544         ac_dlc = 1 << 2, /* per-shader-array cache control */
 545         ac_swizzled = 1 << 3, /* the access is swizzled, disabling load/store merging */
 546 };
 547
 548 struct ac_image_args {
 549         enum ac_image_opcode opcode : 4;
 550         enum ac_atomic_op atomic : 4; /* for the ac_image_atomic opcode */
 551         enum ac_image_dim dim : 3;
 552         unsigned dmask : 4;
 553         unsigned cache_policy : 3;
 554         bool unorm : 1;
 555         bool level_zero : 1;
 556         unsigned attributes; /* additional call-site specific AC_FUNC_ATTRs */
 557
 558         LLVMValueRef resource;
 559         LLVMValueRef sampler;
 560         LLVMValueRef data[2]; /* data[0] is source data (vector); data[1] is cmp for cmpswap */
 561         LLVMValueRef offset;
 562         LLVMValueRef bias;
 563         LLVMValueRef compare;
 564         LLVMValueRef derivs[6];
 565         LLVMValueRef coords[4];
 566         LLVMValueRef lod; // also used by ac_image_get_resinfo
 567         LLVMValueRef min_lod;
 568 };
 569
 570 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 571                                    struct ac_image_args *a);
 572 LLVMValueRef ac_build_image_get_sample_count(struct ac_llvm_context *ctx,
 573                                              LLVMValueRef rsrc);
 574 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 575                                     LLVMValueRef args[2]);
 576 LLVMValueRef ac_build_cvt_pknorm_i16(struct ac_llvm_context *ctx,
 577                                      LLVMValueRef args[2]);
 578 LLVMValueRef ac_build_cvt_pknorm_u16(struct ac_llvm_context *ctx,
 579                                      LLVMValueRef args[2]);
 580 LLVMValueRef ac_build_cvt_pk_i16(struct ac_llvm_context *ctx,
 581                                  LLVMValueRef args[2], unsigned bits, bool hi);
 582 LLVMValueRef ac_build_cvt_pk_u16(struct ac_llvm_context *ctx,
 583                                  LLVMValueRef args[2], unsigned bits, bool hi);
 584 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 585 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 586 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 587                           LLVMValueRef offset, LLVMValueRef width,
 588                           bool is_signed);
 589 LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0,
 590                            LLVMValueRef s1, LLVMValueRef s2);
 591 LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0,
 592                            LLVMValueRef s1, LLVMValueRef s2);
 593
 594 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned wait_flags);
 595
 596 LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0,
 597                            unsigned bitsize);
 598
 599 LLVMValueRef ac_build_fmed3(struct ac_llvm_context *ctx, LLVMValueRef src0,
 600                             LLVMValueRef src1, LLVMValueRef src2,
 601                             unsigned bitsize);
 602
 603 LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
 604                             unsigned bitsize);
 605
 606 LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src0,
 607                             unsigned bitsize);
 608
 609 LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0);
 610
 611 LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx,
 612                                        LLVMValueRef src0);
 613
 614 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 615                             LLVMValueRef main_fn,
 616                             uint8_t *vs_output_param_offset,
 617                             uint32_t num_outputs,
 618                             uint32_t skip_output_mask,
 619                             uint8_t *num_param_exports);
 620 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 621
 622 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 623 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 624                          LLVMValueRef dw_addr);
 625 void ac_lds_store(struct ac_llvm_context *ctx,
 626                   LLVMValueRef dw_addr, LLVMValueRef value);
 627
 628 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 629                          LLVMTypeRef dst_type,
 630                          LLVMValueRef src0);
 631
 632 LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
 633 LLVMTypeRef ac_array_in_const32_addr_space(LLVMTypeRef elem_type);
 634
 635 void ac_build_bgnloop(struct ac_llvm_context *ctx, int lable_id);
 636 void ac_build_break(struct ac_llvm_context *ctx);
 637 void ac_build_continue(struct ac_llvm_context *ctx);
 638 void ac_build_else(struct ac_llvm_context *ctx, int lable_id);
 639 void ac_build_endif(struct ac_llvm_context *ctx, int lable_id);
 640 void ac_build_endloop(struct ac_llvm_context *ctx, int lable_id);
 641 void ac_build_ifcc(struct ac_llvm_context *ctx, LLVMValueRef cond, int label_id);
 642 void ac_build_if(struct ac_llvm_context *ctx, LLVMValueRef value,
 643                  int lable_id);
 644 void ac_build_uif(struct ac_llvm_context *ctx, LLVMValueRef value,
 645                   int lable_id);
 646
 647 LLVMValueRef ac_build_alloca(struct ac_llvm_context *ac, LLVMTypeRef type,
 648                              const char *name);
 649 LLVMValueRef ac_build_alloca_undef(struct ac_llvm_context *ac, LLVMTypeRef type,
 650                                    const char *name);
 651
 652 LLVMValueRef ac_cast_ptr(struct ac_llvm_context *ctx, LLVMValueRef ptr,
 653                          LLVMTypeRef type);
 654
 655 LLVMValueRef ac_trim_vector(struct ac_llvm_context *ctx, LLVMValueRef value,
 656                             unsigned count);
 657
 658 LLVMValueRef ac_unpack_param(struct ac_llvm_context *ctx, LLVMValueRef param,
 659                              unsigned rshift, unsigned bitwidth);
 660
 661 void ac_apply_fmask_to_sample(struct ac_llvm_context *ac, LLVMValueRef fmask,
 662                               LLVMValueRef *addr, bool is_array_tex);
 663
 664 LLVMValueRef
 665 ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask);
 666
 667 LLVMValueRef ac_build_readlane_no_opt_barrier(struct ac_llvm_context *ctx,
 668                                               LLVMValueRef src, LLVMValueRef lane);
 669
 670 LLVMValueRef
 671 ac_build_readlane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef lane);
 672
 673 LLVMValueRef
 674 ac_build_writelane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef value, LLVMValueRef lane);
 675
 676 LLVMValueRef
 677 ac_build_mbcnt(struct ac_llvm_context *ctx, LLVMValueRef mask);
 678
 679 LLVMValueRef
 680 ac_build_inclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
 681
 682 LLVMValueRef
 683 ac_build_exclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
 684
 685 LLVMValueRef
 686 ac_build_reduce(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op, unsigned cluster_size);
 687
 688 /**
 689  * Common arguments for a scan/reduce operation that accumulates per-wave
 690  * values across an entire workgroup, while respecting the order of waves.
 691  */
 692 struct ac_wg_scan {
 693         bool enable_reduce;
 694         bool enable_exclusive;
 695         bool enable_inclusive;
 696         nir_op op;
 697         LLVMValueRef src; /* clobbered! */
 698         LLVMValueRef result_reduce;
 699         LLVMValueRef result_exclusive;
 700         LLVMValueRef result_inclusive;
 701         LLVMValueRef extra;
 702         LLVMValueRef waveidx;
 703         LLVMValueRef numwaves; /* only needed for "reduce" operations */
 704
 705         /* T addrspace(LDS) pointer to the same type as value, at least maxwaves entries */
 706         LLVMValueRef scratch;
 707         unsigned maxwaves;
 708 };
 709
 710 void
 711 ac_build_wg_wavescan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 712 void
 713 ac_build_wg_wavescan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 714 void
 715 ac_build_wg_wavescan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 716
 717 void
 718 ac_build_wg_scan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 719 void
 720 ac_build_wg_scan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 721 void
 722 ac_build_wg_scan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
 723
 724 LLVMValueRef
 725 ac_build_quad_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src,
 726                 unsigned lane0, unsigned lane1, unsigned lane2, unsigned lane3);
 727
 728 LLVMValueRef
 729 ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef index);
 730
 731 LLVMValueRef
 732 ac_build_frexp_exp(struct ac_llvm_context *ctx, LLVMValueRef src0,
 733                    unsigned bitsize);
 734
 735 LLVMValueRef
 736 ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0,
 737                     unsigned bitsize);
 738
 739 LLVMValueRef
 740 ac_build_canonicalize(struct ac_llvm_context *ctx, LLVMValueRef src0,
 741                       unsigned bitsize);
 742
 743 LLVMValueRef
 744 ac_build_ddxy_interp(struct ac_llvm_context *ctx, LLVMValueRef interp_ij);
 745
 746 LLVMValueRef
 747 ac_build_load_helper_invocation(struct ac_llvm_context *ctx);
 748
 749 LLVMValueRef
 750 ac_build_is_helper_invocation(struct ac_llvm_context *ctx);
 751
 752 LLVMValueRef ac_build_call(struct ac_llvm_context *ctx, LLVMValueRef func,
 753                            LLVMValueRef *args, unsigned num_args);
 754
 755 LLVMValueRef ac_build_atomic_rmw(struct ac_llvm_context *ctx, LLVMAtomicRMWBinOp op,
 756                                  LLVMValueRef ptr, LLVMValueRef val,
 757                                  const char *sync_scope);
 758
 759 LLVMValueRef ac_build_atomic_cmp_xchg(struct ac_llvm_context *ctx, LLVMValueRef ptr,
 760                                       LLVMValueRef cmp, LLVMValueRef val,
 761                                       const char *sync_scope);
 762
 763 void
 764 ac_export_mrt_z(struct ac_llvm_context *ctx, LLVMValueRef depth,
 765                 LLVMValueRef stencil, LLVMValueRef samplemask,
 766                 struct ac_export_args *args);
 767
 768 void ac_build_sendmsg_gs_alloc_req(struct ac_llvm_context *ctx, LLVMValueRef wave_id,
 769                                    LLVMValueRef vtx_cnt, LLVMValueRef prim_cnt);
 770
 771 struct ac_ngg_prim {
 772         unsigned num_vertices;
 773         LLVMValueRef isnull;
 774         LLVMValueRef index[3];
 775         LLVMValueRef edgeflag[3];
 776         LLVMValueRef passthrough;
 777 };
 778
 779 LLVMValueRef ac_pack_prim_export(struct ac_llvm_context *ctx,
 780                                  const struct ac_ngg_prim *prim);
 781 void ac_build_export_prim(struct ac_llvm_context *ctx,
 782                           const struct ac_ngg_prim *prim);
 783
 784 static inline LLVMValueRef
 785 ac_get_arg(struct ac_llvm_context *ctx, struct ac_arg arg)
 786 {
 787         assert(arg.used);
 788         return LLVMGetParam(ctx->main_function, arg.arg_index);
 789 }
 790
 791 enum ac_llvm_calling_convention {
 792         AC_LLVM_AMDGPU_VS = 87,
 793         AC_LLVM_AMDGPU_GS = 88,
 794         AC_LLVM_AMDGPU_PS = 89,
 795         AC_LLVM_AMDGPU_CS = 90,
 796         AC_LLVM_AMDGPU_HS = 93,
 797 };
 798
 799 LLVMValueRef ac_build_main(const struct ac_shader_args *args,
 800                            struct ac_llvm_context *ctx,
 801                            enum ac_llvm_calling_convention convention,
 802                            const char *name, LLVMTypeRef ret_type,
 803                            LLVMModuleRef module);
 804 void ac_build_s_endpgm(struct ac_llvm_context *ctx);
 805
 806 LLVMValueRef ac_prefix_bitcount(struct ac_llvm_context *ctx,
 807                                 LLVMValueRef mask, LLVMValueRef index);
 808 LLVMValueRef ac_prefix_bitcount_2x64(struct ac_llvm_context *ctx,
 809                                      LLVMValueRef mask[2], LLVMValueRef index);
 810 void ac_build_triangle_strip_indices_to_triangle(struct ac_llvm_context *ctx,
 811                                                  LLVMValueRef is_odd,
 812                                                  LLVMValueRef flatshade_first,
 813                                                  LLVMValueRef index[3]);
 814
 815 #ifdef __cplusplus
 816 }
 817 #endif
 818
 819 #endif