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 v16i8;
  52
  53         unsigned range_md_kind;
  54         unsigned invariant_load_md_kind;
  55         unsigned uniform_md_kind;
  56         unsigned fpmath_md_kind;
  57         LLVMValueRef fpmath_md_2p5_ulp;
  58         LLVMValueRef empty_md;
  59 };
  60
  61 void
  62 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
  63
  64 LLVMValueRef
  65 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
  66                    LLVMTypeRef return_type, LLVMValueRef *params,
  67                    unsigned param_count, unsigned attrib_mask);
  68
  69 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  70
  71 LLVMValueRef
  72 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  73                                 LLVMValueRef *values,
  74                                 unsigned value_count,
  75                                 unsigned value_stride,
  76                                 bool load);
  77 LLVMValueRef
  78 ac_build_gather_values(struct ac_llvm_context *ctx,
  79                        LLVMValueRef *values,
  80                        unsigned value_count);
  81
  82 LLVMValueRef
  83 ac_build_fdiv(struct ac_llvm_context *ctx,
  84               LLVMValueRef num,
  85               LLVMValueRef den);
  86
  87 void
  88 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
  89                        bool is_deriv, bool is_array,
  90                        LLVMValueRef *coords_arg,
  91                        LLVMValueRef *derivs_arg);
  92
  93
  94 LLVMValueRef
  95 ac_build_fs_interp(struct ac_llvm_context *ctx,
  96                    LLVMValueRef llvm_chan,
  97                    LLVMValueRef attr_number,
  98                    LLVMValueRef params,
  99                    LLVMValueRef i,
 100                    LLVMValueRef j);
 101
 102 LLVMValueRef
 103 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 104                        LLVMValueRef parameter,
 105                        LLVMValueRef llvm_chan,
 106                        LLVMValueRef attr_number,
 107                        LLVMValueRef params);
 108
 109 LLVMValueRef
 110 ac_build_gep0(struct ac_llvm_context *ctx,
 111               LLVMValueRef base_ptr,
 112               LLVMValueRef index);
 113
 114 void
 115 ac_build_indexed_store(struct ac_llvm_context *ctx,
 116                        LLVMValueRef base_ptr, LLVMValueRef index,
 117                        LLVMValueRef value);
 118
 119 LLVMValueRef
 120 ac_build_indexed_load(struct ac_llvm_context *ctx,
 121                       LLVMValueRef base_ptr, LLVMValueRef index,
 122                       bool uniform);
 123
 124 LLVMValueRef
 125 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 126                             LLVMValueRef base_ptr, LLVMValueRef index);
 127
 128 void
 129 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 130                             LLVMValueRef rsrc,
 131                             LLVMValueRef vdata,
 132                             unsigned num_channels,
 133                             LLVMValueRef voffset,
 134                             LLVMValueRef soffset,
 135                             unsigned inst_offset,
 136                             bool glc,
 137                             bool slc,
 138                             bool writeonly_memory,
 139                             bool has_add_tid);
 140 LLVMValueRef
 141 ac_build_buffer_load(struct ac_llvm_context *ctx,
 142                      LLVMValueRef rsrc,
 143                      int num_channels,
 144                      LLVMValueRef vindex,
 145                      LLVMValueRef voffset,
 146                      LLVMValueRef soffset,
 147                      unsigned inst_offset,
 148                      unsigned glc,
 149                      unsigned slc,
 150                      bool can_speculate,
 151                      bool allow_smem);
 152
 153 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 154                                          LLVMValueRef rsrc,
 155                                          LLVMValueRef vindex,
 156                                          LLVMValueRef voffset,
 157                                          bool can_speculate);
 158
 159 LLVMValueRef
 160 ac_get_thread_id(struct ac_llvm_context *ctx);
 161
 162 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 163 #define AC_TID_MASK_TOP      0xfffffffd
 164 #define AC_TID_MASK_LEFT     0xfffffffe
 165
 166 LLVMValueRef
 167 ac_build_ddxy(struct ac_llvm_context *ctx,
 168               bool has_ds_bpermute,
 169               uint32_t mask,
 170               int idx,
 171               LLVMValueRef lds,
 172               LLVMValueRef val);
 173
 174 #define AC_SENDMSG_GS 2
 175 #define AC_SENDMSG_GS_DONE 3
 176
 177 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 178 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 179 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 180 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 181
 182 void ac_build_sendmsg(struct ac_llvm_context *ctx,
 183                       uint32_t msg,
 184                       LLVMValueRef wave_id);
 185
 186 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx,
 187                            LLVMValueRef arg,
 188                            LLVMTypeRef dst_type);
 189
 190 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
 191                           LLVMValueRef arg,
 192                           LLVMTypeRef dst_type);
 193
 194 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 195
 196 struct ac_export_args {
 197         LLVMValueRef out[4];
 198         unsigned target;
 199         unsigned enabled_channels;
 200         bool compr;
 201         bool done;
 202         bool valid_mask;
 203 };
 204
 205 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 206
 207 enum ac_image_opcode {
 208         ac_image_sample,
 209         ac_image_gather4,
 210         ac_image_load,
 211         ac_image_load_mip,
 212         ac_image_get_lod,
 213         ac_image_get_resinfo,
 214 };
 215
 216 struct ac_image_args {
 217         enum ac_image_opcode opcode;
 218         bool level_zero;
 219         bool bias;
 220         bool lod;
 221         bool deriv;
 222         bool compare;
 223         bool offset;
 224
 225         LLVMValueRef resource;
 226         LLVMValueRef sampler;
 227         LLVMValueRef addr;
 228         unsigned dmask;
 229         bool unorm;
 230         bool da;
 231 };
 232
 233 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 234                                    struct ac_image_args *a);
 235 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 236                                     LLVMValueRef args[2]);
 237 void ac_build_kill(struct ac_llvm_context *ctx, LLVMValueRef value);
 238 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 239                           LLVMValueRef offset, LLVMValueRef width,
 240                           bool is_signed);
 241
 242 void ac_get_image_intr_name(const char *base_name,
 243                             LLVMTypeRef data_type,
 244                             LLVMTypeRef coords_type,
 245                             LLVMTypeRef rsrc_type,
 246                             char *out_name, unsigned out_len);
 247
 248 void ac_optimize_vs_outputs(struct ac_llvm_context *ac,
 249                             LLVMValueRef main_fn,
 250                             uint8_t *vs_output_param_offset,
 251                             uint32_t num_outputs,
 252                             uint8_t *num_param_exports);
 253 #ifdef __cplusplus
 254 }
 255 #endif
 256
 257 #endif