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 LLVMValueRef
  72 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
  73                    LLVMTypeRef return_type, LLVMValueRef *params,
  74                    unsigned param_count, unsigned attrib_mask);
  75
  76 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  77
  78 void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
  79                                    LLVMValueRef *pvgpr);
  80 LLVMValueRef
  81 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  82                                 LLVMValueRef *values,
  83                                 unsigned value_count,
  84                                 unsigned value_stride,
  85                                 bool load,
  86                                 bool always_vector);
  87 LLVMValueRef
  88 ac_build_gather_values(struct ac_llvm_context *ctx,
  89                        LLVMValueRef *values,
  90                        unsigned value_count);
  91
  92 LLVMValueRef
  93 ac_build_fdiv(struct ac_llvm_context *ctx,
  94               LLVMValueRef num,
  95               LLVMValueRef den);
  96
  97 void
  98 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
  99                        bool is_deriv, bool is_array,
 100                        LLVMValueRef *coords_arg,
 101                        LLVMValueRef *derivs_arg);
 102
 103
 104 LLVMValueRef
 105 ac_build_fs_interp(struct ac_llvm_context *ctx,
 106                    LLVMValueRef llvm_chan,
 107                    LLVMValueRef attr_number,
 108                    LLVMValueRef params,
 109                    LLVMValueRef i,
 110                    LLVMValueRef j);
 111
 112 LLVMValueRef
 113 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 114                        LLVMValueRef parameter,
 115                        LLVMValueRef llvm_chan,
 116                        LLVMValueRef attr_number,
 117                        LLVMValueRef params);
 118
 119 LLVMValueRef
 120 ac_build_gep0(struct ac_llvm_context *ctx,
 121               LLVMValueRef base_ptr,
 122               LLVMValueRef index);
 123
 124 void
 125 ac_build_indexed_store(struct ac_llvm_context *ctx,
 126                        LLVMValueRef base_ptr, LLVMValueRef index,
 127                        LLVMValueRef value);
 128
 129 LLVMValueRef
 130 ac_build_indexed_load(struct ac_llvm_context *ctx,
 131                       LLVMValueRef base_ptr, LLVMValueRef index,
 132                       bool uniform);
 133
 134 LLVMValueRef
 135 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 136                             LLVMValueRef base_ptr, LLVMValueRef index);
 137
 138 void
 139 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 140                             LLVMValueRef rsrc,
 141                             LLVMValueRef vdata,
 142                             unsigned num_channels,
 143                             LLVMValueRef voffset,
 144                             LLVMValueRef soffset,
 145                             unsigned inst_offset,
 146                             bool glc,
 147                             bool slc,
 148                             bool writeonly_memory,
 149                             bool has_add_tid);
 150 LLVMValueRef
 151 ac_build_buffer_load(struct ac_llvm_context *ctx,
 152                      LLVMValueRef rsrc,
 153                      int num_channels,
 154                      LLVMValueRef vindex,
 155                      LLVMValueRef voffset,
 156                      LLVMValueRef soffset,
 157                      unsigned inst_offset,
 158                      unsigned glc,
 159                      unsigned slc,
 160                      bool can_speculate,
 161                      bool allow_smem);
 162
 163 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 164                                          LLVMValueRef rsrc,
 165                                          LLVMValueRef vindex,
 166                                          LLVMValueRef voffset,
 167                                          bool can_speculate);
 168
 169 LLVMValueRef
 170 ac_get_thread_id(struct ac_llvm_context *ctx);
 171
 172 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 173 #define AC_TID_MASK_TOP      0xfffffffd
 174 #define AC_TID_MASK_LEFT     0xfffffffe
 175
 176 LLVMValueRef
 177 ac_build_ddxy(struct ac_llvm_context *ctx,
 178               bool has_ds_bpermute,
 179               uint32_t mask,
 180               int idx,
 181               LLVMValueRef val);
 182
 183 #define AC_SENDMSG_GS 2
 184 #define AC_SENDMSG_GS_DONE 3
 185
 186 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 187 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 188 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 189 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 190
 191 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 192                       uint32_t msg,
 193                       LLVMValueRef wave_id);
 194
 195 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 196                            LLVMValueRef arg,
 197                            LLVMTypeRef dst_type);
 198
 199 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 200                           LLVMValueRef arg,
 201                           LLVMTypeRef dst_type);
 202
 203 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
 204 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 205
 206 struct ac_export_args {
 207         LLVMValueRef out[4];
 208         unsigned target;
 209         unsigned enabled_channels;
 210         bool compr;
 211         bool done;
 212         bool valid_mask;
 213 };
 214
 215 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 216
 217 enum ac_image_opcode {
 218         ac_image_sample,
 219         ac_image_gather4,
 220         ac_image_load,
 221         ac_image_load_mip,
 222         ac_image_get_lod,
 223         ac_image_get_resinfo,
 224 };
 225
 226 struct ac_image_args {
 227         enum ac_image_opcode opcode;
 228         bool level_zero;
 229         bool bias;
 230         bool lod;
 231         bool deriv;
 232         bool compare;
 233         bool offset;
 234
 235         LLVMValueRef resource;
 236         LLVMValueRef sampler;
 237         LLVMValueRef addr;
 238         unsigned dmask;
 239         bool unorm;
 240         bool da;
 241 };
 242
 243 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 244                                    struct ac_image_args *a);
 245 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 246                                     LLVMValueRef args[2]);
 247 void ac_build_kill(struct ac_llvm_context *ctx, LLVMValueRef value);
 248 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 249                           LLVMValueRef offset, LLVMValueRef width,
 250                           bool is_signed);
 251
 252 void ac_get_image_intr_name(const char *base_name,
 253                             LLVMTypeRef data_type,
 254                             LLVMTypeRef coords_type,
 255                             LLVMTypeRef rsrc_type,
 256                             char *out_name, unsigned out_len);
 257
 258 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 259                             LLVMValueRef main_fn,
 260                             uint8_t *vs_output_param_offset,
 261                             uint32_t num_outputs,
 262                             uint8_t *num_param_exports);
 263 #ifdef __cplusplus
 264 }
 265 #endif
 266
 267 #endif