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 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 struct ac_llvm_context {
  36         LLVMContextRef context;
  37         LLVMModuleRef module;
  38         LLVMBuilderRef builder;
  39
  40         LLVMTypeRef voidt;
  41         LLVMTypeRef i1;
  42         LLVMTypeRef i8;
  43         LLVMTypeRef i16;
  44         LLVMTypeRef i32;
  45         LLVMTypeRef i64;
  46         LLVMTypeRef f16;
  47         LLVMTypeRef f32;
  48         LLVMTypeRef f64;
  49         LLVMTypeRef v4i32;
  50         LLVMTypeRef v4f32;
  51         LLVMTypeRef v8i32;
  52
  53         LLVMValueRef i32_0;
  54         LLVMValueRef i32_1;
  55         LLVMValueRef f32_0;
  56         LLVMValueRef f32_1;
  57
  58         unsigned range_md_kind;
  59         unsigned invariant_load_md_kind;
  60         unsigned uniform_md_kind;
  61         unsigned fpmath_md_kind;
  62         LLVMValueRef fpmath_md_2p5_ulp;
  63         LLVMValueRef empty_md;
  64 };
  65
  66 void
  67 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
  68
  69 unsigned ac_get_type_size(LLVMTypeRef type);
  70
  71 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  72 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
  73 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
  74 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
  75
  76 LLVMValueRef
  77 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
  78                    LLVMTypeRef return_type, LLVMValueRef *params,
  79                    unsigned param_count, unsigned attrib_mask);
  80
  81 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  82
  83 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
  84                                    LLVMValueRef *pvgpr);
  85
  86 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
  87
  88 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
  89
  90 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
  91
  92 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
  93
  94 LLVMValueRef
  95 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  96                                 LLVMValueRef *values,
  97                                 unsigned value_count,
  98                                 unsigned value_stride,
  99                                 bool load,
 100                                 bool always_vector);
 101 LLVMValueRef
 102 ac_build_gather_values(struct ac_llvm_context *ctx,
 103                        LLVMValueRef *values,
 104                        unsigned value_count);
 105
 106 LLVMValueRef
 107 ac_build_fdiv(struct ac_llvm_context *ctx,
 108               LLVMValueRef num,
 109               LLVMValueRef den);
 110
 111 void
 112 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 113                        bool is_deriv, bool is_array,
 114                        LLVMValueRef *coords_arg,
 115                        LLVMValueRef *derivs_arg);
 116
 117
 118 LLVMValueRef
 119 ac_build_fs_interp(struct ac_llvm_context *ctx,
 120                    LLVMValueRef llvm_chan,
 121                    LLVMValueRef attr_number,
 122                    LLVMValueRef params,
 123                    LLVMValueRef i,
 124                    LLVMValueRef j);
 125
 126 LLVMValueRef
 127 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 128                        LLVMValueRef parameter,
 129                        LLVMValueRef llvm_chan,
 130                        LLVMValueRef attr_number,
 131                        LLVMValueRef params);
 132
 133 LLVMValueRef
 134 ac_build_gep0(struct ac_llvm_context *ctx,
 135               LLVMValueRef base_ptr,
 136               LLVMValueRef index);
 137
 138 void
 139 ac_build_indexed_store(struct ac_llvm_context *ctx,
 140                        LLVMValueRef base_ptr, LLVMValueRef index,
 141                        LLVMValueRef value);
 142
 143 LLVMValueRef
 144 ac_build_indexed_load(struct ac_llvm_context *ctx,
 145                       LLVMValueRef base_ptr, LLVMValueRef index,
 146                       bool uniform);
 147
 148 LLVMValueRef
 149 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 150                             LLVMValueRef base_ptr, LLVMValueRef index);
 151
 152 void
 153 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 154                             LLVMValueRef rsrc,
 155                             LLVMValueRef vdata,
 156                             unsigned num_channels,
 157                             LLVMValueRef voffset,
 158                             LLVMValueRef soffset,
 159                             unsigned inst_offset,
 160                             bool glc,
 161                             bool slc,
 162                             bool writeonly_memory,
 163                             bool has_add_tid);
 164 LLVMValueRef
 165 ac_build_buffer_load(struct ac_llvm_context *ctx,
 166                      LLVMValueRef rsrc,
 167                      int num_channels,
 168                      LLVMValueRef vindex,
 169                      LLVMValueRef voffset,
 170                      LLVMValueRef soffset,
 171                      unsigned inst_offset,
 172                      unsigned glc,
 173                      unsigned slc,
 174                      bool can_speculate,
 175                      bool allow_smem);
 176
 177 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 178                                          LLVMValueRef rsrc,
 179                                          LLVMValueRef vindex,
 180                                          LLVMValueRef voffset,
 181                                          bool can_speculate);
 182
 183 LLVMValueRef
 184 ac_get_thread_id(struct ac_llvm_context *ctx);
 185
 186 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 187 #define AC_TID_MASK_TOP      0xfffffffd
 188 #define AC_TID_MASK_LEFT     0xfffffffe
 189
 190 LLVMValueRef
 191 ac_build_ddxy(struct ac_llvm_context *ctx,
 192               bool has_ds_bpermute,
 193               uint32_t mask,
 194               int idx,
 195               LLVMValueRef val);
 196
 197 #define AC_SENDMSG_GS 2
 198 #define AC_SENDMSG_GS_DONE 3
 199
 200 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 201 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 202 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 203 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 204
 205 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 206                       uint32_t msg,
 207                       LLVMValueRef wave_id);
 208
 209 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 210                            LLVMValueRef arg,
 211                            LLVMTypeRef dst_type);
 212
 213 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 214                           LLVMValueRef arg,
 215                           LLVMTypeRef dst_type);
 216
 217 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 218 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 219
 220 struct ac_export_args {
 221         LLVMValueRef out[4];
 222         unsigned target;
 223         unsigned enabled_channels;
 224         bool compr;
 225         bool done;
 226         bool valid_mask;
 227 };
 228
 229 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 230
 231 enum ac_image_opcode {
 232         ac_image_sample,
 233         ac_image_gather4,
 234         ac_image_load,
 235         ac_image_load_mip,
 236         ac_image_get_lod,
 237         ac_image_get_resinfo,
 238 };
 239
 240 struct ac_image_args {
 241         enum ac_image_opcode opcode;
 242         bool level_zero;
 243         bool bias;
 244         bool lod;
 245         bool deriv;
 246         bool compare;
 247         bool offset;
 248
 249         LLVMValueRef resource;
 250         LLVMValueRef sampler;
 251         LLVMValueRef addr;
 252         unsigned dmask;
 253         bool unorm;
 254         bool da;
 255 };
 256
 257 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 258                                    struct ac_image_args *a);
 259 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 260                                     LLVMValueRef args[2]);
 261 void ac_build_kill(struct ac_llvm_context *ctx, LLVMValueRef value);
 262 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 263                           LLVMValueRef offset, LLVMValueRef width,
 264                           bool is_signed);
 265
 266 void ac_get_image_intr_name(const char *base_name,
 267                             LLVMTypeRef data_type,
 268                             LLVMTypeRef coords_type,
 269                             LLVMTypeRef rsrc_type,
 270                             char *out_name, unsigned out_len);
 271
 272 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 273                             LLVMValueRef main_fn,
 274                             uint8_t *vs_output_param_offset,
 275                             uint32_t num_outputs,
 276                             uint8_t *num_param_exports);
 277 #ifdef __cplusplus
 278 }
 279 #endif
 280
 281 #endif