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         LLVMTypeRef v16i8;
  53
  54         LLVMValueRef i32_0;
  55         LLVMValueRef i32_1;
  56         LLVMValueRef f32_0;
  57         LLVMValueRef f32_1;
  58
  59         unsigned range_md_kind;
  60         unsigned invariant_load_md_kind;
  61         unsigned uniform_md_kind;
  62         unsigned fpmath_md_kind;
  63         LLVMValueRef fpmath_md_2p5_ulp;
  64         LLVMValueRef empty_md;
  65 };
  66
  67 void
  68 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
  69
  70 LLVMValueRef
  71 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
  72                    LLVMTypeRef return_type, LLVMValueRef *params,
  73                    unsigned param_count, unsigned attrib_mask);
  74
  75 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  76
  77 LLVMValueRef
  78 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  79                                 LLVMValueRef *values,
  80                                 unsigned value_count,
  81                                 unsigned value_stride,
  82                                 bool load);
  83 LLVMValueRef
  84 ac_build_gather_values(struct ac_llvm_context *ctx,
  85                        LLVMValueRef *values,
  86                        unsigned value_count);
  87
  88 LLVMValueRef
  89 ac_build_fdiv(struct ac_llvm_context *ctx,
  90               LLVMValueRef num,
  91               LLVMValueRef den);
  92
  93 void
  94 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
  95                        bool is_deriv, bool is_array,
  96                        LLVMValueRef *coords_arg,
  97                        LLVMValueRef *derivs_arg);
  98
  99
 100 LLVMValueRef
 101 ac_build_fs_interp(struct ac_llvm_context *ctx,
 102                    LLVMValueRef llvm_chan,
 103                    LLVMValueRef attr_number,
 104                    LLVMValueRef params,
 105                    LLVMValueRef i,
 106                    LLVMValueRef j);
 107
 108 LLVMValueRef
 109 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 110                        LLVMValueRef parameter,
 111                        LLVMValueRef llvm_chan,
 112                        LLVMValueRef attr_number,
 113                        LLVMValueRef params);
 114
 115 LLVMValueRef
 116 ac_build_gep0(struct ac_llvm_context *ctx,
 117               LLVMValueRef base_ptr,
 118               LLVMValueRef index);
 119
 120 void
 121 ac_build_indexed_store(struct ac_llvm_context *ctx,
 122                        LLVMValueRef base_ptr, LLVMValueRef index,
 123                        LLVMValueRef value);
 124
 125 LLVMValueRef
 126 ac_build_indexed_load(struct ac_llvm_context *ctx,
 127                       LLVMValueRef base_ptr, LLVMValueRef index,
 128                       bool uniform);
 129
 130 LLVMValueRef
 131 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 132                             LLVMValueRef base_ptr, LLVMValueRef index);
 133
 134 void
 135 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 136                             LLVMValueRef rsrc,
 137                             LLVMValueRef vdata,
 138                             unsigned num_channels,
 139                             LLVMValueRef voffset,
 140                             LLVMValueRef soffset,
 141                             unsigned inst_offset,
 142                             bool glc,
 143                             bool slc,
 144                             bool writeonly_memory,
 145                             bool has_add_tid);
 146 LLVMValueRef
 147 ac_build_buffer_load(struct ac_llvm_context *ctx,
 148                      LLVMValueRef rsrc,
 149                      int num_channels,
 150                      LLVMValueRef vindex,
 151                      LLVMValueRef voffset,
 152                      LLVMValueRef soffset,
 153                      unsigned inst_offset,
 154                      unsigned glc,
 155                      unsigned slc,
 156                      bool can_speculate,
 157                      bool allow_smem);
 158
 159 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 160                                          LLVMValueRef rsrc,
 161                                          LLVMValueRef vindex,
 162                                          LLVMValueRef voffset,
 163                                          bool can_speculate);
 164
 165 LLVMValueRef
 166 ac_get_thread_id(struct ac_llvm_context *ctx);
 167
 168 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 169 #define AC_TID_MASK_TOP      0xfffffffd
 170 #define AC_TID_MASK_LEFT     0xfffffffe
 171
 172 LLVMValueRef
 173 ac_build_ddxy(struct ac_llvm_context *ctx,
 174               bool has_ds_bpermute,
 175               uint32_t mask,
 176               int idx,
 177               LLVMValueRef lds,
 178               LLVMValueRef val);
 179
 180 #define AC_SENDMSG_GS 2
 181 #define AC_SENDMSG_GS_DONE 3
 182
 183 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 184 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 185 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 186 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 187
 188 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 189                       uint32_t msg,
 190                       LLVMValueRef wave_id);
 191
 192 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 193                            LLVMValueRef arg,
 194                            LLVMTypeRef dst_type);
 195
 196 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 197                           LLVMValueRef arg,
 198                           LLVMTypeRef dst_type);
 199
 200 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 201
 202 struct ac_export_args {
 203         LLVMValueRef out[4];
 204         unsigned target;
 205         unsigned enabled_channels;
 206         bool compr;
 207         bool done;
 208         bool valid_mask;
 209 };
 210
 211 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 212
 213 enum ac_image_opcode {
 214         ac_image_sample,
 215         ac_image_gather4,
 216         ac_image_load,
 217         ac_image_load_mip,
 218         ac_image_get_lod,
 219         ac_image_get_resinfo,
 220 };
 221
 222 struct ac_image_args {
 223         enum ac_image_opcode opcode;
 224         bool level_zero;
 225         bool bias;
 226         bool lod;
 227         bool deriv;
 228         bool compare;
 229         bool offset;
 230
 231         LLVMValueRef resource;
 232         LLVMValueRef sampler;
 233         LLVMValueRef addr;
 234         unsigned dmask;
 235         bool unorm;
 236         bool da;
 237 };
 238
 239 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 240                                    struct ac_image_args *a);
 241 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 242                                     LLVMValueRef args[2]);
 243 void ac_build_kill(struct ac_llvm_context *ctx, LLVMValueRef value);
 244 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 245                           LLVMValueRef offset, LLVMValueRef width,
 246                           bool is_signed);
 247
 248 void ac_get_image_intr_name(const char *base_name,
 249                             LLVMTypeRef data_type,
 250                             LLVMTypeRef coords_type,
 251                             LLVMTypeRef rsrc_type,
 252                             char *out_name, unsigned out_len);
 253
 254 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 255                             LLVMValueRef main_fn,
 256                             uint8_t *vs_output_param_offset,
 257                             uint32_t num_outputs,
 258                             uint8_t *num_param_exports);
 259 #ifdef __cplusplus
 260 }
 261 #endif
 262
 263 #endif