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
  31 #include "amd_family.h"
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 enum {
  38         /* CONST is the only address space that selects SMEM loads */
  39         AC_CONST_ADDR_SPACE = HAVE_LLVM >= 0x700 ? 4 : 2,
  40         AC_LOCAL_ADDR_SPACE = 3,
  41 };
  42
  43 struct ac_llvm_context {
  44         LLVMContextRef context;
  45         LLVMModuleRef module;
  46         LLVMBuilderRef builder;
  47
  48         LLVMTypeRef voidt;
  49         LLVMTypeRef i1;
  50         LLVMTypeRef i8;
  51         LLVMTypeRef i16;
  52         LLVMTypeRef i32;
  53         LLVMTypeRef i64;
  54         LLVMTypeRef f16;
  55         LLVMTypeRef f32;
  56         LLVMTypeRef f64;
  57         LLVMTypeRef v2i16;
  58         LLVMTypeRef v2i32;
  59         LLVMTypeRef v3i32;
  60         LLVMTypeRef v4i32;
  61         LLVMTypeRef v2f32;
  62         LLVMTypeRef v4f32;
  63         LLVMTypeRef v8i32;
  64
  65         LLVMValueRef i32_0;
  66         LLVMValueRef i32_1;
  67         LLVMValueRef i64_0;
  68         LLVMValueRef i64_1;
  69         LLVMValueRef f32_0;
  70         LLVMValueRef f32_1;
  71         LLVMValueRef f64_0;
  72         LLVMValueRef f64_1;
  73         LLVMValueRef i1true;
  74         LLVMValueRef i1false;
  75
  76         unsigned range_md_kind;
  77         unsigned invariant_load_md_kind;
  78         unsigned uniform_md_kind;
  79         unsigned fpmath_md_kind;
  80         LLVMValueRef fpmath_md_2p5_ulp;
  81         LLVMValueRef empty_md;
  82
  83         enum chip_class chip_class;
  84         enum radeon_family family;
  85
  86         LLVMValueRef lds;
  87 };
  88
  89 void
  90 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context,
  91                      enum chip_class chip_class, enum radeon_family family);
  92
  93 int
  94 ac_get_llvm_num_components(LLVMValueRef value);
  95
  96 int
  97 ac_get_elem_bits(struct ac_llvm_context *ctx, LLVMTypeRef type);
  98
  99 LLVMValueRef
 100 ac_llvm_extract_elem(struct ac_llvm_context *ac,
 101                      LLVMValueRef value,
 102                      int index);
 103
 104 unsigned ac_get_type_size(LLVMTypeRef type);
 105
 106 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 107 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
 108 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 109 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
 110
 111 LLVMValueRef
 112 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
 113                    LLVMTypeRef return_type, LLVMValueRef *params,
 114                    unsigned param_count, unsigned attrib_mask);
 115
 116 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
 117
 118 LLVMValueRef
 119 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
 120              unsigned count_incoming, LLVMValueRef *values,
 121              LLVMBasicBlockRef *blocks);
 122
 123 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
 124                                    LLVMValueRef *pvgpr);
 125
 126 LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx);
 127
 128 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
 129
 130 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
 131
 132 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 133
 134 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 135
 136 LLVMValueRef
 137 ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
 138                                unsigned value_count, unsigned component);
 139
 140 LLVMValueRef
 141 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 142                                 LLVMValueRef *values,
 143                                 unsigned value_count,
 144                                 unsigned value_stride,
 145                                 bool load,
 146                                 bool always_vector);
 147 LLVMValueRef
 148 ac_build_gather_values(struct ac_llvm_context *ctx,
 149                        LLVMValueRef *values,
 150                        unsigned value_count);
 151 LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx,
 152                                      LLVMValueRef value,
 153                                      unsigned num_channels);
 154
 155 LLVMValueRef
 156 ac_build_fdiv(struct ac_llvm_context *ctx,
 157               LLVMValueRef num,
 158               LLVMValueRef den);
 159
 160 void
 161 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 162                        bool is_deriv, bool is_array, bool is_lod,
 163                        LLVMValueRef *coords_arg,
 164                        LLVMValueRef *derivs_arg);
 165
 166
 167 LLVMValueRef
 168 ac_build_fs_interp(struct ac_llvm_context *ctx,
 169                    LLVMValueRef llvm_chan,
 170                    LLVMValueRef attr_number,
 171                    LLVMValueRef params,
 172                    LLVMValueRef i,
 173                    LLVMValueRef j);
 174
 175 LLVMValueRef
 176 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 177                        LLVMValueRef parameter,
 178                        LLVMValueRef llvm_chan,
 179                        LLVMValueRef attr_number,
 180                        LLVMValueRef params);
 181
 182 LLVMValueRef
 183 ac_build_gep0(struct ac_llvm_context *ctx,
 184               LLVMValueRef base_ptr,
 185               LLVMValueRef index);
 186
 187 void
 188 ac_build_indexed_store(struct ac_llvm_context *ctx,
 189                        LLVMValueRef base_ptr, LLVMValueRef index,
 190                        LLVMValueRef value);
 191
 192 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 193                            LLVMValueRef index);
 194 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 195                                      LLVMValueRef base_ptr, LLVMValueRef index);
 196 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 197                                    LLVMValueRef base_ptr, LLVMValueRef index);
 198
 199 void
 200 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 201                             LLVMValueRef rsrc,
 202                             LLVMValueRef vdata,
 203                             unsigned num_channels,
 204                             LLVMValueRef voffset,
 205                             LLVMValueRef soffset,
 206                             unsigned inst_offset,
 207                             bool glc,
 208                             bool slc,
 209                             bool writeonly_memory,
 210                             bool swizzle_enable_hint);
 211 LLVMValueRef
 212 ac_build_buffer_load(struct ac_llvm_context *ctx,
 213                      LLVMValueRef rsrc,
 214                      int num_channels,
 215                      LLVMValueRef vindex,
 216                      LLVMValueRef voffset,
 217                      LLVMValueRef soffset,
 218                      unsigned inst_offset,
 219                      unsigned glc,
 220                      unsigned slc,
 221                      bool can_speculate,
 222                      bool allow_smem);
 223
 224 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 225                                          LLVMValueRef rsrc,
 226                                          LLVMValueRef vindex,
 227                                          LLVMValueRef voffset,
 228                                          unsigned num_channels,
 229                                          bool glc,
 230                                          bool can_speculate);
 231
 232 LLVMValueRef
 233 ac_get_thread_id(struct ac_llvm_context *ctx);
 234
 235 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 236 #define AC_TID_MASK_TOP      0xfffffffd
 237 #define AC_TID_MASK_LEFT     0xfffffffe
 238
 239 LLVMValueRef
 240 ac_build_ddxy(struct ac_llvm_context *ctx,
 241               uint32_t mask,
 242               int idx,
 243               LLVMValueRef val);
 244
 245 #define AC_SENDMSG_GS 2
 246 #define AC_SENDMSG_GS_DONE 3
 247
 248 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 249 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 250 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 251 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 252
 253 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 254                       uint32_t msg,
 255                       LLVMValueRef wave_id);
 256
 257 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 258                            LLVMValueRef arg,
 259                            LLVMTypeRef dst_type);
 260
 261 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 262                           LLVMValueRef arg,
 263                           LLVMTypeRef dst_type);
 264 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
 265                            LLVMValueRef b);
 266 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
 267                            LLVMValueRef b);
 268 LLVMValueRef ac_build_imin(struct ac_llvm_context *ctx, LLVMValueRef a,
 269                            LLVMValueRef b);
 270 LLVMValueRef ac_build_imax(struct ac_llvm_context *ctx, LLVMValueRef a,
 271                            LLVMValueRef b);
 272 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 273 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 274
 275 struct ac_export_args {
 276         LLVMValueRef out[4];
 277         unsigned target;
 278         unsigned enabled_channels;
 279         bool compr;
 280         bool done;
 281         bool valid_mask;
 282 };
 283
 284 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 285
 286 void ac_build_export_null(struct ac_llvm_context *ctx);
 287
 288 enum ac_image_opcode {
 289         ac_image_sample,
 290         ac_image_gather4,
 291         ac_image_load,
 292         ac_image_load_mip,
 293         ac_image_get_lod,
 294         ac_image_get_resinfo,
 295 };
 296
 297 struct ac_image_args {
 298         enum ac_image_opcode opcode;
 299         bool level_zero;
 300         bool bias;
 301         bool lod;
 302         bool deriv;
 303         bool compare;
 304         bool offset;
 305
 306         LLVMValueRef resource;
 307         LLVMValueRef sampler;
 308         LLVMValueRef addr;
 309         unsigned dmask;
 310         bool unorm;
 311         bool da;
 312 };
 313
 314 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 315                                    struct ac_image_args *a);
 316 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 317                                     LLVMValueRef args[2]);
 318 LLVMValueRef ac_build_cvt_pknorm_i16(struct ac_llvm_context *ctx,
 319                                      LLVMValueRef args[2]);
 320 LLVMValueRef ac_build_cvt_pknorm_u16(struct ac_llvm_context *ctx,
 321                                      LLVMValueRef args[2]);
 322 LLVMValueRef ac_build_cvt_pk_i16(struct ac_llvm_context *ctx,
 323                                  LLVMValueRef args[2], unsigned bits, bool hi);
 324 LLVMValueRef ac_build_cvt_pk_u16(struct ac_llvm_context *ctx,
 325                                  LLVMValueRef args[2], unsigned bits, bool hi);
 326 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 327 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 328 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 329                           LLVMValueRef offset, LLVMValueRef width,
 330                           bool is_signed);
 331
 332 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
 333
 334 void ac_get_image_intr_name(const char *base_name,
 335                             LLVMTypeRef data_type,
 336                             LLVMTypeRef coords_type,
 337                             LLVMTypeRef rsrc_type,
 338                             char *out_name, unsigned out_len);
 339
 340 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 341                             LLVMValueRef main_fn,
 342                             uint8_t *vs_output_param_offset,
 343                             uint32_t num_outputs,
 344                             uint8_t *num_param_exports);
 345 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 346
 347 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 348 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 349                          LLVMValueRef dw_addr);
 350 void ac_lds_store(struct ac_llvm_context *ctx,
 351                   LLVMValueRef dw_addr, LLVMValueRef value);
 352
 353 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 354                          LLVMTypeRef dst_type,
 355                          LLVMValueRef src0);
 356
 357 LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
 358
 359 #ifdef __cplusplus
 360 }
 361 #endif
 362
 363 #endif