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