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