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 #define HAVE_32BIT_POINTERS (HAVE_LLVM >= 0x0700)
  38
  39 enum {
  40         /* CONST is the only address space that selects SMEM loads */
  41         AC_CONST_ADDR_SPACE = HAVE_LLVM >= 0x700 ? 4 : 2,
  42         AC_LOCAL_ADDR_SPACE = 3,
  43         AC_CONST_32BIT_ADDR_SPACE = 6, /* same as CONST, but the pointer type has 32 bits */
  44 };
  45
  46 struct ac_llvm_context {
  47         LLVMContextRef context;
  48         LLVMModuleRef module;
  49         LLVMBuilderRef builder;
  50
  51         LLVMTypeRef voidt;
  52         LLVMTypeRef i1;
  53         LLVMTypeRef i8;
  54         LLVMTypeRef i16;
  55         LLVMTypeRef i32;
  56         LLVMTypeRef i64;
  57         LLVMTypeRef intptr;
  58         LLVMTypeRef f16;
  59         LLVMTypeRef f32;
  60         LLVMTypeRef f64;
  61         LLVMTypeRef v2i16;
  62         LLVMTypeRef v2i32;
  63         LLVMTypeRef v3i32;
  64         LLVMTypeRef v4i32;
  65         LLVMTypeRef v2f32;
  66         LLVMTypeRef v4f32;
  67         LLVMTypeRef v8i32;
  68
  69         LLVMValueRef i32_0;
  70         LLVMValueRef i32_1;
  71         LLVMValueRef i64_0;
  72         LLVMValueRef i64_1;
  73         LLVMValueRef f32_0;
  74         LLVMValueRef f32_1;
  75         LLVMValueRef f64_0;
  76         LLVMValueRef f64_1;
  77         LLVMValueRef i1true;
  78         LLVMValueRef i1false;
  79
  80         unsigned range_md_kind;
  81         unsigned invariant_load_md_kind;
  82         unsigned uniform_md_kind;
  83         unsigned fpmath_md_kind;
  84         LLVMValueRef fpmath_md_2p5_ulp;
  85         LLVMValueRef empty_md;
  86
  87         enum chip_class chip_class;
  88         enum radeon_family family;
  89
  90         LLVMValueRef lds;
  91 };
  92
  93 void
  94 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context,
  95                      enum chip_class chip_class, enum radeon_family family);
  96
  97 int
  98 ac_get_llvm_num_components(LLVMValueRef value);
  99
 100 int
 101 ac_get_elem_bits(struct ac_llvm_context *ctx, LLVMTypeRef type);
 102
 103 LLVMValueRef
 104 ac_llvm_extract_elem(struct ac_llvm_context *ac,
 105                      LLVMValueRef value,
 106                      int index);
 107
 108 unsigned ac_get_type_size(LLVMTypeRef type);
 109
 110 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 111 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
 112 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 113 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
 114
 115 LLVMValueRef
 116 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
 117                    LLVMTypeRef return_type, LLVMValueRef *params,
 118                    unsigned param_count, unsigned attrib_mask);
 119
 120 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
 121
 122 LLVMValueRef
 123 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
 124              unsigned count_incoming, LLVMValueRef *values,
 125              LLVMBasicBlockRef *blocks);
 126
 127 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
 128                                    LLVMValueRef *pvgpr);
 129
 130 LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx);
 131
 132 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
 133
 134 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
 135
 136 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 137
 138 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 139
 140 LLVMValueRef
 141 ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
 142                                unsigned value_count, unsigned component);
 143
 144 LLVMValueRef
 145 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 146                                 LLVMValueRef *values,
 147                                 unsigned value_count,
 148                                 unsigned value_stride,
 149                                 bool load,
 150                                 bool always_vector);
 151 LLVMValueRef
 152 ac_build_gather_values(struct ac_llvm_context *ctx,
 153                        LLVMValueRef *values,
 154                        unsigned value_count);
 155 LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx,
 156                                      LLVMValueRef value,
 157                                      unsigned num_channels);
 158
 159 LLVMValueRef
 160 ac_build_fdiv(struct ac_llvm_context *ctx,
 161               LLVMValueRef num,
 162               LLVMValueRef den);
 163
 164 void
 165 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 166                        bool is_deriv, bool is_array, bool is_lod,
 167                        LLVMValueRef *coords_arg,
 168                        LLVMValueRef *derivs_arg);
 169
 170
 171 LLVMValueRef
 172 ac_build_fs_interp(struct ac_llvm_context *ctx,
 173                    LLVMValueRef llvm_chan,
 174                    LLVMValueRef attr_number,
 175                    LLVMValueRef params,
 176                    LLVMValueRef i,
 177                    LLVMValueRef j);
 178
 179 LLVMValueRef
 180 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 181                        LLVMValueRef parameter,
 182                        LLVMValueRef llvm_chan,
 183                        LLVMValueRef attr_number,
 184                        LLVMValueRef params);
 185
 186 LLVMValueRef
 187 ac_build_gep0(struct ac_llvm_context *ctx,
 188               LLVMValueRef base_ptr,
 189               LLVMValueRef index);
 190
 191 void
 192 ac_build_indexed_store(struct ac_llvm_context *ctx,
 193                        LLVMValueRef base_ptr, LLVMValueRef index,
 194                        LLVMValueRef value);
 195
 196 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 197                            LLVMValueRef index);
 198 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 199                                      LLVMValueRef base_ptr, LLVMValueRef index);
 200 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 201                                    LLVMValueRef base_ptr, LLVMValueRef index);
 202
 203 void
 204 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 205                             LLVMValueRef rsrc,
 206                             LLVMValueRef vdata,
 207                             unsigned num_channels,
 208                             LLVMValueRef voffset,
 209                             LLVMValueRef soffset,
 210                             unsigned inst_offset,
 211                             bool glc,
 212                             bool slc,
 213                             bool writeonly_memory,
 214                             bool swizzle_enable_hint);
 215 LLVMValueRef
 216 ac_build_buffer_load(struct ac_llvm_context *ctx,
 217                      LLVMValueRef rsrc,
 218                      int num_channels,
 219                      LLVMValueRef vindex,
 220                      LLVMValueRef voffset,
 221                      LLVMValueRef soffset,
 222                      unsigned inst_offset,
 223                      unsigned glc,
 224                      unsigned slc,
 225                      bool can_speculate,
 226                      bool allow_smem);
 227
 228 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 229                                          LLVMValueRef rsrc,
 230                                          LLVMValueRef vindex,
 231                                          LLVMValueRef voffset,
 232                                          unsigned num_channels,
 233                                          bool glc,
 234                                          bool can_speculate);
 235
 236 LLVMValueRef
 237 ac_get_thread_id(struct ac_llvm_context *ctx);
 238
 239 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 240 #define AC_TID_MASK_TOP      0xfffffffd
 241 #define AC_TID_MASK_LEFT     0xfffffffe
 242
 243 LLVMValueRef
 244 ac_build_ddxy(struct ac_llvm_context *ctx,
 245               uint32_t mask,
 246               int idx,
 247               LLVMValueRef val);
 248
 249 #define AC_SENDMSG_GS 2
 250 #define AC_SENDMSG_GS_DONE 3
 251
 252 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 253 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 254 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 255 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 256
 257 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 258                       uint32_t msg,
 259                       LLVMValueRef wave_id);
 260
 261 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 262                            LLVMValueRef arg,
 263                            LLVMTypeRef dst_type);
 264
 265 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 266                           LLVMValueRef arg,
 267                           LLVMTypeRef dst_type);
 268 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
 269                            LLVMValueRef b);
 270 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
 271                            LLVMValueRef b);
 272 LLVMValueRef ac_build_imin(struct ac_llvm_context *ctx, LLVMValueRef a,
 273                            LLVMValueRef b);
 274 LLVMValueRef ac_build_imax(struct ac_llvm_context *ctx, LLVMValueRef a,
 275                            LLVMValueRef b);
 276 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 277 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 278
 279 struct ac_export_args {
 280         LLVMValueRef out[4];
 281         unsigned target;
 282         unsigned enabled_channels;
 283         bool compr;
 284         bool done;
 285         bool valid_mask;
 286 };
 287
 288 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 289
 290 void ac_build_export_null(struct ac_llvm_context *ctx);
 291
 292 enum ac_image_opcode {
 293         ac_image_sample,
 294         ac_image_gather4,
 295         ac_image_load,
 296         ac_image_load_mip,
 297         ac_image_get_lod,
 298         ac_image_get_resinfo,
 299 };
 300
 301 struct ac_image_args {
 302         enum ac_image_opcode opcode;
 303         bool level_zero;
 304         bool bias;
 305         bool lod;
 306         bool deriv;
 307         bool compare;
 308         bool offset;
 309
 310         LLVMValueRef resource;
 311         LLVMValueRef sampler;
 312         LLVMValueRef addr;
 313         unsigned dmask;
 314         bool unorm;
 315         bool da;
 316 };
 317
 318 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 319                                    struct ac_image_args *a);
 320 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 321                                     LLVMValueRef args[2]);
 322 LLVMValueRef ac_build_cvt_pknorm_i16(struct ac_llvm_context *ctx,
 323                                      LLVMValueRef args[2]);
 324 LLVMValueRef ac_build_cvt_pknorm_u16(struct ac_llvm_context *ctx,
 325                                      LLVMValueRef args[2]);
 326 LLVMValueRef ac_build_cvt_pk_i16(struct ac_llvm_context *ctx,
 327                                  LLVMValueRef args[2], unsigned bits, bool hi);
 328 LLVMValueRef ac_build_cvt_pk_u16(struct ac_llvm_context *ctx,
 329                                  LLVMValueRef args[2], unsigned bits, bool hi);
 330 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 331 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 332 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 333                           LLVMValueRef offset, LLVMValueRef width,
 334                           bool is_signed);
 335
 336 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
 337
 338 void ac_get_image_intr_name(const char *base_name,
 339                             LLVMTypeRef data_type,
 340                             LLVMTypeRef coords_type,
 341                             LLVMTypeRef rsrc_type,
 342                             char *out_name, unsigned out_len);
 343
 344 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 345                             LLVMValueRef main_fn,
 346                             uint8_t *vs_output_param_offset,
 347                             uint32_t num_outputs,
 348                             uint8_t *num_param_exports);
 349 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 350
 351 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 352 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 353                          LLVMValueRef dw_addr);
 354 void ac_lds_store(struct ac_llvm_context *ctx,
 355                   LLVMValueRef dw_addr, LLVMValueRef value);
 356
 357 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 358                          LLVMTypeRef dst_type,
 359                          LLVMValueRef src0);
 360
 361 LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
 362 LLVMTypeRef ac_array_in_const32_addr_space(LLVMTypeRef elem_type);
 363
 364 #ifdef __cplusplus
 365 }
 366 #endif
 367
 368 #endif