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_0;
  67         LLVMValueRef f64_1;
  68         LLVMValueRef i1true;
  69         LLVMValueRef i1false;
  70
  71         unsigned range_md_kind;
  72         unsigned invariant_load_md_kind;
  73         unsigned uniform_md_kind;
  74         unsigned fpmath_md_kind;
  75         LLVMValueRef fpmath_md_2p5_ulp;
  76         LLVMValueRef empty_md;
  77
  78         enum chip_class chip_class;
  79         enum radeon_family family;
  80
  81         LLVMValueRef lds;
  82 };
  83
  84 void
  85 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context,
  86                      enum chip_class chip_class, enum radeon_family family);
  87
  88 int
  89 ac_get_llvm_num_components(LLVMValueRef value);
  90
  91 LLVMValueRef
  92 ac_llvm_extract_elem(struct ac_llvm_context *ac,
  93                      LLVMValueRef value,
  94                      int index);
  95
  96 unsigned ac_get_type_size(LLVMTypeRef type);
  97
  98 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  99 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
 100 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
 101 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
 102
 103 LLVMValueRef
 104 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
 105                    LLVMTypeRef return_type, LLVMValueRef *params,
 106                    unsigned param_count, unsigned attrib_mask);
 107
 108 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
 109
 110 LLVMValueRef
 111 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
 112              unsigned count_incoming, LLVMValueRef *values,
 113              LLVMBasicBlockRef *blocks);
 114
 115 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
 116                                    LLVMValueRef *pvgpr);
 117
 118 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
 119
 120 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
 121
 122 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 123
 124 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 125
 126 LLVMValueRef
 127 ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
 128                                unsigned value_count, unsigned component);
 129
 130 LLVMValueRef
 131 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 132                                 LLVMValueRef *values,
 133                                 unsigned value_count,
 134                                 unsigned value_stride,
 135                                 bool load,
 136                                 bool always_vector);
 137 LLVMValueRef
 138 ac_build_gather_values(struct ac_llvm_context *ctx,
 139                        LLVMValueRef *values,
 140                        unsigned value_count);
 141
 142 LLVMValueRef
 143 ac_build_fdiv(struct ac_llvm_context *ctx,
 144               LLVMValueRef num,
 145               LLVMValueRef den);
 146
 147 void
 148 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 149                        bool is_deriv, bool is_array, bool is_lod,
 150                        LLVMValueRef *coords_arg,
 151                        LLVMValueRef *derivs_arg);
 152
 153
 154 LLVMValueRef
 155 ac_build_fs_interp(struct ac_llvm_context *ctx,
 156                    LLVMValueRef llvm_chan,
 157                    LLVMValueRef attr_number,
 158                    LLVMValueRef params,
 159                    LLVMValueRef i,
 160                    LLVMValueRef j);
 161
 162 LLVMValueRef
 163 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 164                        LLVMValueRef parameter,
 165                        LLVMValueRef llvm_chan,
 166                        LLVMValueRef attr_number,
 167                        LLVMValueRef params);
 168
 169 LLVMValueRef
 170 ac_build_gep0(struct ac_llvm_context *ctx,
 171               LLVMValueRef base_ptr,
 172               LLVMValueRef index);
 173
 174 void
 175 ac_build_indexed_store(struct ac_llvm_context *ctx,
 176                        LLVMValueRef base_ptr, LLVMValueRef index,
 177                        LLVMValueRef value);
 178
 179 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 180                            LLVMValueRef index);
 181 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 182                                      LLVMValueRef base_ptr, LLVMValueRef index);
 183 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 184                                    LLVMValueRef base_ptr, LLVMValueRef index);
 185
 186 void
 187 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 188                             LLVMValueRef rsrc,
 189                             LLVMValueRef vdata,
 190                             unsigned num_channels,
 191                             LLVMValueRef voffset,
 192                             LLVMValueRef soffset,
 193                             unsigned inst_offset,
 194                             bool glc,
 195                             bool slc,
 196                             bool writeonly_memory,
 197                             bool swizzle_enable_hint);
 198 LLVMValueRef
 199 ac_build_buffer_load(struct ac_llvm_context *ctx,
 200                      LLVMValueRef rsrc,
 201                      int num_channels,
 202                      LLVMValueRef vindex,
 203                      LLVMValueRef voffset,
 204                      LLVMValueRef soffset,
 205                      unsigned inst_offset,
 206                      unsigned glc,
 207                      unsigned slc,
 208                      bool can_speculate,
 209                      bool allow_smem);
 210
 211 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 212                                          LLVMValueRef rsrc,
 213                                          LLVMValueRef vindex,
 214                                          LLVMValueRef voffset,
 215                                          bool can_speculate);
 216
 217 LLVMValueRef
 218 ac_get_thread_id(struct ac_llvm_context *ctx);
 219
 220 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 221 #define AC_TID_MASK_TOP      0xfffffffd
 222 #define AC_TID_MASK_LEFT     0xfffffffe
 223
 224 LLVMValueRef
 225 ac_build_ddxy(struct ac_llvm_context *ctx,
 226               uint32_t mask,
 227               int idx,
 228               LLVMValueRef val);
 229
 230 #define AC_SENDMSG_GS 2
 231 #define AC_SENDMSG_GS_DONE 3
 232
 233 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 234 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 235 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 236 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 237
 238 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 239                       uint32_t msg,
 240                       LLVMValueRef wave_id);
 241
 242 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 243                            LLVMValueRef arg,
 244                            LLVMTypeRef dst_type);
 245
 246 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 247                           LLVMValueRef arg,
 248                           LLVMTypeRef dst_type);
 249 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
 250                            LLVMValueRef b);
 251 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
 252                            LLVMValueRef b);
 253 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 254 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 255
 256 struct ac_export_args {
 257         LLVMValueRef out[4];
 258         unsigned target;
 259         unsigned enabled_channels;
 260         bool compr;
 261         bool done;
 262         bool valid_mask;
 263 };
 264
 265 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 266
 267 enum ac_image_opcode {
 268         ac_image_sample,
 269         ac_image_gather4,
 270         ac_image_load,
 271         ac_image_load_mip,
 272         ac_image_get_lod,
 273         ac_image_get_resinfo,
 274 };
 275
 276 struct ac_image_args {
 277         enum ac_image_opcode opcode;
 278         bool level_zero;
 279         bool bias;
 280         bool lod;
 281         bool deriv;
 282         bool compare;
 283         bool offset;
 284
 285         LLVMValueRef resource;
 286         LLVMValueRef sampler;
 287         LLVMValueRef addr;
 288         unsigned dmask;
 289         bool unorm;
 290         bool da;
 291 };
 292
 293 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 294                                    struct ac_image_args *a);
 295 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 296                                     LLVMValueRef args[2]);
 297 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 298 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 299 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 300                           LLVMValueRef offset, LLVMValueRef width,
 301                           bool is_signed);
 302
 303 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
 304
 305 void ac_get_image_intr_name(const char *base_name,
 306                             LLVMTypeRef data_type,
 307                             LLVMTypeRef coords_type,
 308                             LLVMTypeRef rsrc_type,
 309                             char *out_name, unsigned out_len);
 310
 311 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 312                             LLVMValueRef main_fn,
 313                             uint8_t *vs_output_param_offset,
 314                             uint32_t num_outputs,
 315                             uint8_t *num_param_exports);
 316 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 317
 318 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 319 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 320                          LLVMValueRef dw_addr);
 321 void ac_lds_store(struct ac_llvm_context *ctx,
 322                   LLVMValueRef dw_addr, LLVMValueRef value);
 323
 324 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 325                          LLVMTypeRef dst_type,
 326                          LLVMValueRef src0);
 327 #ifdef __cplusplus
 328 }
 329 #endif
 330
 331 #endif