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