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 struct ac_llvm_context {
  38         LLVMContextRef context;
  39         LLVMModuleRef module;
  40         LLVMBuilderRef builder;
  41
  42         LLVMTypeRef voidt;
  43         LLVMTypeRef i1;
  44         LLVMTypeRef i8;
  45         LLVMTypeRef i16;
  46         LLVMTypeRef i32;
  47         LLVMTypeRef i64;
  48         LLVMTypeRef f16;
  49         LLVMTypeRef f32;
  50         LLVMTypeRef f64;
  51         LLVMTypeRef v4i32;
  52         LLVMTypeRef v4f32;
  53         LLVMTypeRef v8i32;
  54
  55         LLVMValueRef i32_0;
  56         LLVMValueRef i32_1;
  57         LLVMValueRef f32_0;
  58         LLVMValueRef f32_1;
  59
  60         unsigned range_md_kind;
  61         unsigned invariant_load_md_kind;
  62         unsigned uniform_md_kind;
  63         unsigned fpmath_md_kind;
  64         LLVMValueRef fpmath_md_2p5_ulp;
  65         LLVMValueRef empty_md;
  66
  67         enum chip_class chip_class;
  68 };
  69
  70 void
  71 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context,
  72                      enum chip_class chip_class);
  73
  74 unsigned ac_get_type_size(LLVMTypeRef type);
  75
  76 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  77 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
  78 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  79 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
  80
  81 LLVMValueRef
  82 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
  83                    LLVMTypeRef return_type, LLVMValueRef *params,
  84                    unsigned param_count, unsigned attrib_mask);
  85
  86 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  87
  88 LLVMValueRef
  89 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
  90              unsigned count_incoming, LLVMValueRef *values,
  91              LLVMBasicBlockRef *blocks);
  92
  93 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
  94                                    LLVMValueRef *pvgpr);
  95
  96 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
  97
  98 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
  99
 100 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 101
 102 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 103
 104 LLVMValueRef
 105 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 106                                 LLVMValueRef *values,
 107                                 unsigned value_count,
 108                                 unsigned value_stride,
 109                                 bool load,
 110                                 bool always_vector);
 111 LLVMValueRef
 112 ac_build_gather_values(struct ac_llvm_context *ctx,
 113                        LLVMValueRef *values,
 114                        unsigned value_count);
 115
 116 LLVMValueRef
 117 ac_build_fdiv(struct ac_llvm_context *ctx,
 118               LLVMValueRef num,
 119               LLVMValueRef den);
 120
 121 void
 122 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 123                        bool is_deriv, bool is_array, bool is_lod,
 124                        LLVMValueRef *coords_arg,
 125                        LLVMValueRef *derivs_arg);
 126
 127
 128 LLVMValueRef
 129 ac_build_fs_interp(struct ac_llvm_context *ctx,
 130                    LLVMValueRef llvm_chan,
 131                    LLVMValueRef attr_number,
 132                    LLVMValueRef params,
 133                    LLVMValueRef i,
 134                    LLVMValueRef j);
 135
 136 LLVMValueRef
 137 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 138                        LLVMValueRef parameter,
 139                        LLVMValueRef llvm_chan,
 140                        LLVMValueRef attr_number,
 141                        LLVMValueRef params);
 142
 143 LLVMValueRef
 144 ac_build_gep0(struct ac_llvm_context *ctx,
 145               LLVMValueRef base_ptr,
 146               LLVMValueRef index);
 147
 148 void
 149 ac_build_indexed_store(struct ac_llvm_context *ctx,
 150                        LLVMValueRef base_ptr, LLVMValueRef index,
 151                        LLVMValueRef value);
 152
 153 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 154                            LLVMValueRef index);
 155 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 156                                      LLVMValueRef base_ptr, LLVMValueRef index);
 157 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 158                                    LLVMValueRef base_ptr, LLVMValueRef index);
 159
 160 void
 161 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 162                             LLVMValueRef rsrc,
 163                             LLVMValueRef vdata,
 164                             unsigned num_channels,
 165                             LLVMValueRef voffset,
 166                             LLVMValueRef soffset,
 167                             unsigned inst_offset,
 168                             bool glc,
 169                             bool slc,
 170                             bool writeonly_memory,
 171                             bool swizzle_enable_hint);
 172 LLVMValueRef
 173 ac_build_buffer_load(struct ac_llvm_context *ctx,
 174                      LLVMValueRef rsrc,
 175                      int num_channels,
 176                      LLVMValueRef vindex,
 177                      LLVMValueRef voffset,
 178                      LLVMValueRef soffset,
 179                      unsigned inst_offset,
 180                      unsigned glc,
 181                      unsigned slc,
 182                      bool can_speculate,
 183                      bool allow_smem);
 184
 185 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 186                                          LLVMValueRef rsrc,
 187                                          LLVMValueRef vindex,
 188                                          LLVMValueRef voffset,
 189                                          bool can_speculate);
 190
 191 LLVMValueRef
 192 ac_get_thread_id(struct ac_llvm_context *ctx);
 193
 194 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 195 #define AC_TID_MASK_TOP      0xfffffffd
 196 #define AC_TID_MASK_LEFT     0xfffffffe
 197
 198 LLVMValueRef
 199 ac_build_ddxy(struct ac_llvm_context *ctx,
 200               uint32_t mask,
 201               int idx,
 202               LLVMValueRef val);
 203
 204 #define AC_SENDMSG_GS 2
 205 #define AC_SENDMSG_GS_DONE 3
 206
 207 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 208 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 209 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 210 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 211
 212 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 213                       uint32_t msg,
 214                       LLVMValueRef wave_id);
 215
 216 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 217                            LLVMValueRef arg,
 218                            LLVMTypeRef dst_type);
 219
 220 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 221                           LLVMValueRef arg,
 222                           LLVMTypeRef dst_type);
 223
 224 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 225 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 226
 227 struct ac_export_args {
 228         LLVMValueRef out[4];
 229         unsigned target;
 230         unsigned enabled_channels;
 231         bool compr;
 232         bool done;
 233         bool valid_mask;
 234 };
 235
 236 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 237
 238 enum ac_image_opcode {
 239         ac_image_sample,
 240         ac_image_gather4,
 241         ac_image_load,
 242         ac_image_load_mip,
 243         ac_image_get_lod,
 244         ac_image_get_resinfo,
 245 };
 246
 247 struct ac_image_args {
 248         enum ac_image_opcode opcode;
 249         bool level_zero;
 250         bool bias;
 251         bool lod;
 252         bool deriv;
 253         bool compare;
 254         bool offset;
 255
 256         LLVMValueRef resource;
 257         LLVMValueRef sampler;
 258         LLVMValueRef addr;
 259         unsigned dmask;
 260         bool unorm;
 261         bool da;
 262 };
 263
 264 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 265                                    struct ac_image_args *a);
 266 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 267                                     LLVMValueRef args[2]);
 268 void ac_build_kill(struct ac_llvm_context *ctx, LLVMValueRef value);
 269 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 270                           LLVMValueRef offset, LLVMValueRef width,
 271                           bool is_signed);
 272
 273 void ac_get_image_intr_name(const char *base_name,
 274                             LLVMTypeRef data_type,
 275                             LLVMTypeRef coords_type,
 276                             LLVMTypeRef rsrc_type,
 277                             char *out_name, unsigned out_len);
 278
 279 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 280                             LLVMValueRef main_fn,
 281                             uint8_t *vs_output_param_offset,
 282                             uint32_t num_outputs,
 283                             uint8_t *num_param_exports);
 284 #ifdef __cplusplus
 285 }
 286 #endif
 287
 288 #endif