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