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 v4i32;
  56         LLVMTypeRef v4f32;
  57         LLVMTypeRef v8i32;
  58
  59         LLVMValueRef i32_0;
  60         LLVMValueRef i32_1;
  61         LLVMValueRef f32_0;
  62         LLVMValueRef f32_1;
  63         LLVMValueRef i1true;
  64         LLVMValueRef i1false;
  65
  66         unsigned range_md_kind;
  67         unsigned invariant_load_md_kind;
  68         unsigned uniform_md_kind;
  69         unsigned fpmath_md_kind;
  70         LLVMValueRef fpmath_md_2p5_ulp;
  71         LLVMValueRef empty_md;
  72
  73         enum chip_class chip_class;
  74
  75         LLVMValueRef lds;
  76 };
  77
  78 void
  79 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context,
  80                      enum chip_class chip_class);
  81
  82 unsigned ac_get_type_size(LLVMTypeRef type);
  83
  84 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  85 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
  86 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  87 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
  88
  89 LLVMValueRef
  90 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
  91                    LLVMTypeRef return_type, LLVMValueRef *params,
  92                    unsigned param_count, unsigned attrib_mask);
  93
  94 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  95
  96 LLVMValueRef
  97 ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type,
  98              unsigned count_incoming, LLVMValueRef *values,
  99              LLVMBasicBlockRef *blocks);
 100
 101 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
 102                                    LLVMValueRef *pvgpr);
 103
 104 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
 105
 106 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
 107
 108 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
 109
 110 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
 111
 112 LLVMValueRef
 113 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
 114                                 LLVMValueRef *values,
 115                                 unsigned value_count,
 116                                 unsigned value_stride,
 117                                 bool load,
 118                                 bool always_vector);
 119 LLVMValueRef
 120 ac_build_gather_values(struct ac_llvm_context *ctx,
 121                        LLVMValueRef *values,
 122                        unsigned value_count);
 123
 124 LLVMValueRef
 125 ac_build_fdiv(struct ac_llvm_context *ctx,
 126               LLVMValueRef num,
 127               LLVMValueRef den);
 128
 129 void
 130 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 131                        bool is_deriv, bool is_array, bool is_lod,
 132                        LLVMValueRef *coords_arg,
 133                        LLVMValueRef *derivs_arg);
 134
 135
 136 LLVMValueRef
 137 ac_build_fs_interp(struct ac_llvm_context *ctx,
 138                    LLVMValueRef llvm_chan,
 139                    LLVMValueRef attr_number,
 140                    LLVMValueRef params,
 141                    LLVMValueRef i,
 142                    LLVMValueRef j);
 143
 144 LLVMValueRef
 145 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 146                        LLVMValueRef parameter,
 147                        LLVMValueRef llvm_chan,
 148                        LLVMValueRef attr_number,
 149                        LLVMValueRef params);
 150
 151 LLVMValueRef
 152 ac_build_gep0(struct ac_llvm_context *ctx,
 153               LLVMValueRef base_ptr,
 154               LLVMValueRef index);
 155
 156 void
 157 ac_build_indexed_store(struct ac_llvm_context *ctx,
 158                        LLVMValueRef base_ptr, LLVMValueRef index,
 159                        LLVMValueRef value);
 160
 161 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
 162                            LLVMValueRef index);
 163 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx,
 164                                      LLVMValueRef base_ptr, LLVMValueRef index);
 165 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx,
 166                                    LLVMValueRef base_ptr, LLVMValueRef index);
 167
 168 void
 169 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 170                             LLVMValueRef rsrc,
 171                             LLVMValueRef vdata,
 172                             unsigned num_channels,
 173                             LLVMValueRef voffset,
 174                             LLVMValueRef soffset,
 175                             unsigned inst_offset,
 176                             bool glc,
 177                             bool slc,
 178                             bool writeonly_memory,
 179                             bool swizzle_enable_hint);
 180 LLVMValueRef
 181 ac_build_buffer_load(struct ac_llvm_context *ctx,
 182                      LLVMValueRef rsrc,
 183                      int num_channels,
 184                      LLVMValueRef vindex,
 185                      LLVMValueRef voffset,
 186                      LLVMValueRef soffset,
 187                      unsigned inst_offset,
 188                      unsigned glc,
 189                      unsigned slc,
 190                      bool can_speculate,
 191                      bool allow_smem);
 192
 193 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 194                                          LLVMValueRef rsrc,
 195                                          LLVMValueRef vindex,
 196                                          LLVMValueRef voffset,
 197                                          bool can_speculate);
 198
 199 LLVMValueRef
 200 ac_get_thread_id(struct ac_llvm_context *ctx);
 201
 202 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 203 #define AC_TID_MASK_TOP      0xfffffffd
 204 #define AC_TID_MASK_LEFT     0xfffffffe
 205
 206 LLVMValueRef
 207 ac_build_ddxy(struct ac_llvm_context *ctx,
 208               uint32_t mask,
 209               int idx,
 210               LLVMValueRef val);
 211
 212 #define AC_SENDMSG_GS 2
 213 #define AC_SENDMSG_GS_DONE 3
 214
 215 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 216 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 217 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 218 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 219
 220 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 221                       uint32_t msg,
 222                       LLVMValueRef wave_id);
 223
 224 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 225                            LLVMValueRef arg,
 226                            LLVMTypeRef dst_type);
 227
 228 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 229                           LLVMValueRef arg,
 230                           LLVMTypeRef dst_type);
 231
 232 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 233 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 234
 235 struct ac_export_args {
 236         LLVMValueRef out[4];
 237         unsigned target;
 238         unsigned enabled_channels;
 239         bool compr;
 240         bool done;
 241         bool valid_mask;
 242 };
 243
 244 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 245
 246 enum ac_image_opcode {
 247         ac_image_sample,
 248         ac_image_gather4,
 249         ac_image_load,
 250         ac_image_load_mip,
 251         ac_image_get_lod,
 252         ac_image_get_resinfo,
 253 };
 254
 255 struct ac_image_args {
 256         enum ac_image_opcode opcode;
 257         bool level_zero;
 258         bool bias;
 259         bool lod;
 260         bool deriv;
 261         bool compare;
 262         bool offset;
 263
 264         LLVMValueRef resource;
 265         LLVMValueRef sampler;
 266         LLVMValueRef addr;
 267         unsigned dmask;
 268         bool unorm;
 269         bool da;
 270 };
 271
 272 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 273                                    struct ac_image_args *a);
 274 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 275                                     LLVMValueRef args[2]);
 276 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
 277 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 278 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 279                           LLVMValueRef offset, LLVMValueRef width,
 280                           bool is_signed);
 281
 282 void ac_get_image_intr_name(const char *base_name,
 283                             LLVMTypeRef data_type,
 284                             LLVMTypeRef coords_type,
 285                             LLVMTypeRef rsrc_type,
 286                             char *out_name, unsigned out_len);
 287
 288 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 289                             LLVMValueRef main_fn,
 290                             uint8_t *vs_output_param_offset,
 291                             uint32_t num_outputs,
 292                             uint8_t *num_param_exports);
 293 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
 294
 295 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
 296 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
 297                          LLVMValueRef dw_addr);
 298 void ac_lds_store(struct ac_llvm_context *ctx,
 299                   LLVMValueRef dw_addr, LLVMValueRef value);
 300
 301 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 302                          LLVMTypeRef dst_type,
 303                          LLVMValueRef src0);
 304 #ifdef __cplusplus
 305 }
 306 #endif
 307
 308 #endif