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
 145 LLVMValueRef
 146 ac_build_fdiv(struct ac_llvm_context *ctx,
 147               LLVMValueRef num,
 148               LLVMValueRef den);
 149
 150 void
 151 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 152                        bool is_deriv, bool is_array, bool is_lod,
 153                        LLVMValueRef *coords_arg,
 154                        LLVMValueRef *derivs_arg);
 155
 156
 157 LLVMValueRef
 158 ac_build_fs_interp(struct ac_llvm_context *ctx,
 159                    LLVMValueRef llvm_chan,
 160                    LLVMValueRef attr_number,
 161                    LLVMValueRef params,
 162                    LLVMValueRef i,
 163                    LLVMValueRef j);
 164
 165 LLVMValueRef
 166 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 167                        LLVMValueRef parameter,
 168                        LLVMValueRef llvm_chan,
 169                        LLVMValueRef attr_number,
 170                        LLVMValueRef params);
 171
 172 LLVMValueRef
 173 ac_build_gep0(struct ac_llvm_context *ctx,
 174               LLVMValueRef base_ptr,
 175               LLVMValueRef index);
 176
 177 void
 178 ac_build_indexed_store(struct ac_llvm_context *ctx,
 179                        LLVMValueRef base_ptr, LLVMValueRef index,
 180                        LLVMValueRef value);
 181
 182 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 183                            LLVMValueRef index);
 184 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 185                                      LLVMValueRef base_ptr, LLVMValueRef index);
 186 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 187                                    LLVMValueRef base_ptr, LLVMValueRef index);
 188
 189 void
 190 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 191                             LLVMValueRef rsrc,
 192                             LLVMValueRef vdata,
 193                             unsigned num_channels,
 194                             LLVMValueRef voffset,
 195                             LLVMValueRef soffset,
 196                             unsigned inst_offset,
 197                             bool glc,
 198                             bool slc,
 199                             bool writeonly_memory,
 200                             bool swizzle_enable_hint);
 201 LLVMValueRef
 202 ac_build_buffer_load(struct ac_llvm_context *ctx,
 203                      LLVMValueRef rsrc,
 204                      int num_channels,
 205                      LLVMValueRef vindex,
 206                      LLVMValueRef voffset,
 207                      LLVMValueRef soffset,
 208                      unsigned inst_offset,
 209                      unsigned glc,
 210                      unsigned slc,
 211                      bool can_speculate,
 212                      bool allow_smem);
 213
 214 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 215                                          LLVMValueRef rsrc,
 216                                          LLVMValueRef vindex,
 217                                          LLVMValueRef voffset,
 218                                          unsigned num_channels,
 219                                          bool can_speculate);
 220
 221 LLVMValueRef
 222 ac_get_thread_id(struct ac_llvm_context *ctx);
 223
 224 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 225 #define AC_TID_MASK_TOP      0xfffffffd
 226 #define AC_TID_MASK_LEFT     0xfffffffe
 227
 228 LLVMValueRef
 229 ac_build_ddxy(struct ac_llvm_context *ctx,
 230               uint32_t mask,
 231               int idx,
 232               LLVMValueRef val);
 233
 234 #define AC_SENDMSG_GS 2
 235 #define AC_SENDMSG_GS_DONE 3
 236
 237 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 238 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 239 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 240 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 241
 242 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 243                       uint32_t msg,
 244                       LLVMValueRef wave_id);
 245
 246 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 247                            LLVMValueRef arg,
 248                            LLVMTypeRef dst_type);
 249
 250 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 251                           LLVMValueRef arg,
 252                           LLVMTypeRef dst_type);
 253 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a,
 254                            LLVMValueRef b);
 255 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a,
 256                            LLVMValueRef b);
 257 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 258 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 259
 260 struct ac_export_args {
 261         LLVMValueRef out[4];
 262         unsigned target;
 263         unsigned enabled_channels;
 264         bool compr;
 265         bool done;
 266         bool valid_mask;
 267 };
 268
 269 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 270
 271 enum ac_image_opcode {
 272         ac_image_sample,
 273         ac_image_gather4,
 274         ac_image_load,
 275         ac_image_load_mip,
 276         ac_image_get_lod,
 277         ac_image_get_resinfo,
 278 };
 279
 280 struct ac_image_args {
 281         enum ac_image_opcode opcode;
 282         bool level_zero;
 283         bool bias;
 284         bool lod;
 285         bool deriv;
 286         bool compare;
 287         bool offset;
 288
 289         LLVMValueRef resource;
 290         LLVMValueRef sampler;
 291         LLVMValueRef addr;
 292         unsigned dmask;
 293         bool unorm;
 294         bool da;
 295 };
 296
 297 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 298                                    struct ac_image_args *a);
 299 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 300                                     LLVMValueRef args[2]);
 301 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 302 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 303 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 304                           LLVMValueRef offset, LLVMValueRef width,
 305                           bool is_signed);
 306
 307 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
 308
 309 void ac_get_image_intr_name(const char *base_name,
 310                             LLVMTypeRef data_type,
 311                             LLVMTypeRef coords_type,
 312                             LLVMTypeRef rsrc_type,
 313                             char *out_name, unsigned out_len);
 314
 315 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 316                             LLVMValueRef main_fn,
 317                             uint8_t *vs_output_param_offset,
 318                             uint32_t num_outputs,
 319                             uint8_t *num_param_exports);
 320 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 321
 322 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 323 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 324                          LLVMValueRef dw_addr);
 325 void ac_lds_store(struct ac_llvm_context *ctx,
 326                   LLVMValueRef dw_addr, LLVMValueRef value);
 327
 328 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 329                          LLVMTypeRef dst_type,
 330                          LLVMValueRef src0);
 331
 332 LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
 333
 334 #ifdef __cplusplus
 335 }
 336 #endif
 337
 338 #endif