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