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